Tag Archives: gear

China factory Cycloidal Pin Gear Reducer Horizontal Gear Box supplier

Product Description

XWD2/ XWD3/XWD4/XWD5/XWD6/XWD7 /XWD8 gearbox with ac motor 

Cycloidal reducer adopts meshing cycloid pin gear, planetary transmission principle, so usually also called planetary cycloid reducer.  Planetary cycloidal reducer can be widely used in petroleum, environmental protection, chemical, cement, transport, textile, pharmaceutical, food, printing, lifting, mining, metallurgy, construction, power generation and other industries.
      As a drive or reduction gear,  the machine is divided into horizontal, vertical, biaxial and straight league assembly way,etc.  Its unique stable structure can replace ordinary cylindrical gear reducer and worm gear reducer in many cases. Therefore, planetary cycloid gear reducer is widely used in various industries and fields, and is generally welcomed by the majority of users.

XWD/BWY cycloid  reducer motor details:

B series:

BW basedoard horizontal installed double axes type 

BL flange vertical installed double axes type

BWY  basedoard horizontal installed motor direct-connection type

BLY   flange vertical installed motor direct-connection type

X series:

XW basedoard horizontal installed double axes type

XL flange vertical installed double axes type

XWD basedoard horizontal installed motor direct-connection type

XLD flange vertical installed motor direct-connection type

 

 Our  reduction geared motor Advantage

1,reasonable price with excellent quality 
2,delivery in time 
3,safe ,reliable ,economical and durable 
4,stable transmission ,quiet operation 
5,smooth running and low noise 
6,nice appearance ,durable service life 
7,high heat-radiating efficiency ,high carrying ability 
8,each gearbox must be tested before packing
9.reply in high efficiency during 1 working day 
10. professional to produce gearbox and electric motor .

If there is any question, please don’t hesitate to contact with me (EVA), U can send us your inquiry. And you will get response in 1 working day.
 
GEARBOX MOTOR CATALOGUE :

PRODUCTION PROCESS :

WORKSHOP EQUIPMENT:


CERTIFICATION :

PACKAGE : 
for 1 container, directly loading ,for less, all goods with pallet, 

 

FAQ
1, Q:what\’s your MOQ for ac gearbox motor  ?
A: 1pc is ok for each type electric gear box  motor 

2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed

3, Q: which payment way you can accept ?
A: TT, western union .

4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.

5, Q: how about your packing of speed reduction motor  ?
A: plywood case ,if size is small  ,we will pack with pallet for less 1 container 

6, Q: What information should be given, if I buy electric helical geared motor  from you ?
A: rated power,  ratio or output speed,type ,voltage , mounting way , quantity , if more is better , 
 

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Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Layout: Right Angle
Step: Single-Step
Motor Power: 0.37kw-55kw
Voltage: 380V ( Also Done as Your Need)
Customization:
Available

|

Customized Request

cycloidal gearbox

Distinguishing Features of Cycloidal Gearboxes

Cycloidal gearboxes, also known as cycloidal drives or cycloidal reducers, possess distinct characteristics that set them apart from other types of gearboxes:

  • Principle of Operation: Cycloidal gearboxes utilize the principle of cycloidal motion, where input shaft movement is transformed into eccentric motion of the cycloidal disc. This unique mechanism results in smooth and consistent output motion.
  • Compactness: Cycloidal gearboxes are renowned for their compact size and high torque density. The concentric design of the components contributes to their ability to transmit substantial torque in a relatively small package.
  • Tooth Profile: Cycloidal gearboxes employ specialized cycloidal teeth, which involve both pinwheel and roller gears. This distinctive tooth profile contributes to the characteristic smooth and vibration-free operation.
  • Reduction Mechanism: They often employ multi-lobed cam gears that interact with the pins on the cycloidal disc, resulting in multiple gear engagements per revolution and improved load distribution.
  • Motion Control: Cycloidal gearboxes offer high positional accuracy and motion control due to the eccentric motion of the disc, making them suitable for robotics, automation, and precision applications.
  • Backlash: They typically exhibit low backlash due to the nature of the engagement mechanism, making them advantageous for applications requiring precise and reversible motion.
  • Applications: Cycloidal gearboxes are commonly used in various industries, including robotics, packaging, material handling, printing, and more, where their compactness, precision, and efficiency are valued.

These distinguishing features contribute to the unique capabilities and benefits of cycloidal gearboxes in specific applications.

cycloidal gearbox

Maintenance Requirements for Cycloidal Gearboxes

Maintaining cycloidal gearboxes is essential to ensure their optimal performance and longevity. Here are some maintenance practices to consider:

  • Lubrication: Regular lubrication is crucial to prevent wear and friction between moving parts. Use high-quality lubricants recommended by the gearbox manufacturer.
  • Inspections: Regularly inspect the gearbox for signs of wear, damage, or oil leakage. Address any issues promptly to prevent further damage.
  • Cleaning: Keep the gearbox clean and free from debris that could interfere with its operation. Cleanliness helps prevent contamination and wear.
  • Torque Checks: Periodically check the tightness of fasteners and bolts to ensure they are properly secured. Loose fasteners can lead to misalignment and reduced performance.
  • Seal Maintenance: Check and maintain seals to prevent oil leakage. Damaged seals should be replaced promptly to avoid lubricant loss.
  • Temperature Monitoring: Monitor the operating temperature of the gearbox to ensure it remains within the recommended range. Excessive heat can lead to premature wear.
  • Alignment: Ensure that the gearbox is properly aligned with other components to prevent misalignment-related issues.
  • Regular Service: Follow the manufacturer’s recommended service intervals for more in-depth inspections and maintenance tasks.

Regular and proactive maintenance can extend the lifespan of cycloidal gearboxes, minimize downtime, and maintain their efficiency and performance over time.

cycloidal gearbox

How Does a Cycloidal Gearbox Work?

A cycloidal gearbox operates on the principle of cycloidal motion to transmit rotational power. It consists of a set of components that work together to achieve smooth and efficient motion transmission:

  1. High-Speed Input Shaft: The gearbox is connected to a high-speed input shaft, typically driven by an electric motor or another power source.
  2. Cycloidal Pins or Rollers: Surrounding the input shaft are a series of cycloidal pins or rollers arranged in a circular pattern. These pins interact with the lobed profiles of the outer stationary ring.
  3. Outer Stationary Ring: The outer ring remains stationary and contains lobed profiles. The lobes are designed in a way that allows them to engage with the cycloidal pins as they rotate.
  4. Motion Transmission: As the input shaft rotates, it causes the cycloidal pins to move along the circular path. The interaction between the cycloidal pins and the lobed profiles of the outer ring results in a unique motion known as epicycloidal or hypocycloidal motion.

This motion generates torque that is transferred from the input shaft to the output shaft of the gearbox. The main advantage of a cycloidal gearbox is its ability to provide high torque output in a compact design. The multiple points of contact between the pins and the lobes distribute the load, enhancing the gearbox’s load-carrying capacity.

Cycloidal gearboxes are known for their smooth and controlled motion, making them suitable for applications requiring precise positioning and high torque capabilities, such as robotics, automation, and industrial machinery.

China factory Cycloidal Pin Gear Reducer Horizontal Gear Box   supplier China factory Cycloidal Pin Gear Reducer Horizontal Gear Box   supplier
editor by CX 2023-12-21

China Professional Transmission Geared Motor Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Plenetary Bevel Worm Speed Variator Gear Reducer Gearbox cvt gearbox

Product Description

 Features
1.Wide transmission rate, strong output torque
2.Compact mechanical structure, light weight, small volume&Good heat-dissipating
3.Smooth operation with lower noise or vibration
4.Easy mounting, free linking, high efficiency
5. PERFECT  SUBSTITUDE FOR  MOTOVARIO AND CHINAMFG PRODUCTS 

Applications
Wide range of application,including light industry of food &beverage, Cement,
package,construction material,chemicals and etc.

Technical data:

Model RV 130 150
Single unit versions NMRV – fitted for motor flanged coupling,
NRV – with input shaft,
NMRV-E motor flanged coupling with worm extension shaft,
NRV-E with double extension worm shaft,
 Power 0.06—-15KW 
 Single unit reduction ratio  1:5 7.5 80 100
 Output torque  2.6—1195N.M
 Worm shaft material  20CrMnTi with carburizing and quenching.The hardness of surface is 56-62HRC with carbonized layer 0.5-0.8mm
 Worm wheel material   worm mandrel is HT250,and worm ring gear,ZQSn10-1,hardness is 60HRC

After-sale service:
One year warranty,subject to proper operation and installation;free technical support all the time.

Application: Motor
Hardness: Hardened
Type: Worm and Wormwheel
Samples:
US$ 30/Piece
1 Piece(Min.Order)

|

Order Sample

Customization:
Available

|

Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

cycloidal gearbox

Efficiency of Cycloidal Gearboxes in Power Transmission

Cycloidal gearboxes offer relatively high power transmission efficiency compared to other types of gearboxes. The efficiency of a cycloidal gearbox depends on various factors, including the design, quality of components, lubrication, and load conditions.

Typically, the power transmission efficiency of a cycloidal gearbox ranges from 85% to 95%. However, this can vary based on several factors:

  • Number of Reduction Stages: Multi-stage cycloidal gearboxes may experience slightly lower efficiency due to multiple gear meshing interactions.
  • Quality and Design: Well-designed and precision-manufactured cycloidal gearboxes tend to exhibit higher efficiency.
  • Lubrication: Proper lubrication is crucial for reducing friction and enhancing efficiency. Insufficient or deteriorated lubrication can lead to efficiency losses.
  • Load Conditions: Higher loads and torque levels can lead to higher friction and lower efficiency. Properly matching the gearbox to the application is essential.

Despite minor efficiency losses compared to some other gearbox types, the benefits of compactness, high torque density, and precise motion control often outweigh the efficiency considerations in many applications.

cycloidal gearbox

Patents Associated with Cycloidal Gearbox Designs

Throughout the history of cycloidal gearbox development, several patents have been filed for various designs and applications. Some notable patents include:

  • Harmonic Drive: Ralph B. Heath’s patent for the “Harmonic Drive” (US Patent 2,906,143), filed in 1957, is one of the most famous patents related to cycloidal gear systems. This patent introduced the concept of a high-precision reduction gear mechanism using flexible components.
  • Cycloidal Drive Mechanism: A patent by James Watt for a “Cycloidal Drive Mechanism” (GB Patent 1812), dating back to the 18th century, is often cited as one of the early references to cycloidal motion and gears.
  • Planetary Roller Transmission: US Patent 3,671,927 by C.F. Kafesjian and H. Blumenstock introduced a “Planetary Roller Transmission” in 1972, describing a cycloidal drive mechanism with planetary motion.
  • Cycloidal Speed Reducer: A patent for a “Cycloidal Speed Reducer” (US Patent 5,588,583) was granted to Richard J. Pieprzak in 1996, focusing on an improved design of cycloidal gears for various applications.

These patents represent a small sample of the numerous innovations and designs related to cycloidal gear systems that have been patented over the years. Patents play a significant role in protecting and promoting innovation in the field of gearbox technology.

cycloidal gearbox

Advantages of Using a Cycloidal Gearbox

Cycloidal gearboxes offer several advantages that make them well-suited for various applications:

  • High Torque Density: Cycloidal gearboxes provide a high torque output relative to their size and weight. This makes them ideal for applications where space is limited, and high torque is required.
  • Compact Design: The unique arrangement of cycloidal pins and lobed profiles results in a compact gearbox design. This is advantageous when dealing with constrained installation spaces.
  • Smooth and Precise Motion: Cycloidal motion generates smooth and controlled movement, making these gearboxes suitable for applications requiring accurate positioning, such as robotics and automation.
  • High Shock Load Capacity: The multiple points of contact between the cycloidal pins and the lobes distribute the load, allowing cycloidal gearboxes to handle sudden shocks and overloads effectively.
  • Backlash Elimination: Cycloidal gearboxes exhibit minimal backlash due to the nature of their motion. This is beneficial in applications where precise motion reversal is crucial.
  • High Efficiency: The rolling contact between the pins and lobes contributes to efficient power transmission, resulting in relatively high efficiency levels.
  • Reduced Wear and Noise: The rolling motion in cycloidal gearboxes leads to reduced wear on components, resulting in lower maintenance requirements and quieter operation.
  • Versatility: Cycloidal gearboxes can handle a wide range of ratios and speeds, making them suitable for various industrial and automation applications.

Due to these advantages, cycloidal gearboxes are commonly used in robotics, automation, packaging machinery, conveyors, and other applications where compactness, high torque, and precise motion are critical.

China Professional Transmission Geared Motor Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Plenetary Bevel Worm Speed Variator Gear Reducer Gearbox   cvt gearbox	China Professional Transmission Geared Motor Unit Wp Nmrv Swl Screw Drive Lifts Stepper Cyclo Cycloidal Extruder Helical Plenetary Bevel Worm Speed Variator Gear Reducer Gearbox   cvt gearbox
editor by CX 2023-11-30

China best CE; ISO9001 Conical – Cylindrical Gear CZPT Reducer Motor Gmr9000 cycloidal gear drive

Product Description

GRH specialized in providing hydraulic components and solutions for hydraulic systems.
With continuous improvement and enthusiasm over the past 30 years, CZPT has developed into an emerging power in the fluid power industry since it was established in 1986.

GRH (ZheJiang )  – International Sales Office
GRH (ZheJiang )  –  Manufacturing Facility and Domestic Sales Office
 —————————————————————————————————————————————————   

Production description
 

We can produce motor according to your needs !

 About Us

 Application and Partners

Contact us!

Application: Motor, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Expansion
Gear Shape: Conical – Cylindrical Gear
Step: Stepless
Samples:
US$ 1050/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

|

Customized Request

helical gearbox

A Mathematical Model of a Cycloid Gearbox

Having a gearbox with a cycloidal rotor is an ideal design for a car or any other vehicle, as the cycloidal design can reduce the amplitude of vibration, which is a key component in car performance. Using a cycloidal gearbox is also a great way to reduce the amount of friction between the gears in the gearbox, which can help to reduce noise and wear and tear. A cycloidal gearbox is also a very efficient design for a vehicle that needs to perform under high loads, as the gearbox can be very robust against shock loads.

Basic design principles

cycloidal gearboxes are used for precision gearing applications. Cycloidal drives are compact and robust and offer lower backlash, torsional stiffness and a longer service life. They are also suitable for applications involving heavy loads.
Cycloidal drives are compact in size and provide very high reduction ratios. They are also very robust and can handle shock loads. Cycloidal drives are ideally suited to a wide range of drive technologies. Cycloidal gears have excellent torsional stiffness and can provide a transmission ratio of 300:1. They can also be used in applications where stacking multiple gear stages is not desired.
In order to achieve a high reduction ratio, cycloidal gears must be manufactured extremely accurately. Cycloidal gears have a curved tooth profile that removes shear forces at any point of contact. This provides a positive fit for the gear disc. This profile can be provided on a separate outer bushing or as an internal gear profile insert.
Cycloidal drives are used in marine propulsion systems, where the load plate rotates around the X and Y axis. The plate is anchored by a threaded screw hole arranged 15mm away from the center.
A secondary carrier body is used in a cycloidal gearbox to support the load plate. The secondary carrier body is composed of a mounting carrier body and a secondary carrier disc.

Low friction

Several studies have been conducted to understand the static problems of gears. In this paper, we discuss a mathematical model of a low friction cycloidal gearbox. This model is designed to calculate various parameters that affect the performance of the gearbox during production.
The model is based on a new approach that includes the stiction effect and the nonlinear friction characteristic. These parameters are not covered by the conventional rule of thumb.
The stiction effect is present when the speed direction is changed. During this time, the input torque is required to prevail over the stiction effect to generate movement. The model also enables us to calculate the magnitude of the stiction effect and its breakaway speed.
The most important thing is that the model can be used to improve the dynamic behavior of a controlled system. In this regard, the model has a high degree of accuracy. The model is tested in several quadrants of the gearbox to find the optimum stiction breakaway speed. The simulation results of the model show that this model is effective in predicting the efficiency of a low friction cycloidal gearbox.
In addition to the stiction model, we also studied the efficiency of a low friction cycloidal reducer. The reduction ratio of this gearbox was estimated from the formula. It is found that the ratio approaches negative infinity when the motor torque is close to zero Nm.

Compact

Unlike standard planetary gears, cycloidal gearboxes are compact, low friction and feature virtually zero backlash. They also offer high reduction ratios, high load capacity and high efficiency. These features make them a viable option for a variety of applications.
Cycloid disks are driven by an eccentric input shaft. They are then driven by a stationary ring gear. The ring gear rotates the cycloidal disk at a higher rate. The input shaft rotates nine times to complete a full rotation. The ring gear is designed to correct the dynamic imbalance.
CZPT cycloidal gearheads are designed for precision and stable operation. These reducers are robust and can handle large translocations. They also offer high overload protection. They are suitable for shock wave therapy. CZPT gearheads are also well suited for applications with critical positioning accuracy. They also require low assembly and design costs. They are designed for long service life and low hysteresis loss.
CZPT cycloidal reducers are used in a variety of industrial applications, including CNC machining centers, robot positioners and manipulators. They offer a unique design that can handle high forces on the output axis, and are especially suitable for large translocations. These gearheads are highly efficient, reducing costs, and are available in a variety of sizes. They are ideal for applications that require millimetre accuracy.

High reduction ratios

Compared to other gearboxes, cycloidal gearboxes offer high reduction ratios and small backlash. They are also less expensive. Cycloid gearboxes can be used in a variety of industries. They are suitable for robotic applications. They also have high efficiency and load capacity.
A cycloidal gearbox works by rotating a cycloidal disc. This disc contains holes that are bigger than the pins on the output shaft. When the disc is rotated, the output pins move in the holes to generate a steady output shaft rotation. This type of gearbox does not require stacking stages.
Cycloid gearboxes are usually shorter than planetary gearboxes. Moreover, they are more robust and can transmit higher torques.
Cycloid gearboxes have an eccentric cam that drives the cycloidal disc. The cycloidal disc advances in 360deg/pivot/roller steps. It also rotates in an eccentric pattern. It meshes with the ring-gear housing. It also engages the internal teeth of the ring-gear housing.
The number of lobes on the cycloidal disc is not sufficient to generate a good transmission ratio. In fact, the number of lobes must be less than the number of pins surrounding the cycloidal disc.
The cycloidal disc is rotated by an eccentric cam that extends from the base shaft. The cam also spins inside the cycloidal disc. The eccentric motion of the cam helps the cycloidal disc rotate around the pins of the ring-gear housing.helical gearbox

Reducing amplitude of the vibration

Various approaches to reducing amplitude of the vibration in a cycloidal gearbox have been studied. These approaches are based on the kinematic analysis of gearbox.
A cycloidal gearbox is a gearbox that consists of bearings, gears, and an eccentric bearing that drives a cycloidal disc. This gearbox has a high reduction ratio, which is achieved by a series of output shaft pins that drive the output shaft as the disc rotates.
The test bench used in the studies has four sensors. Each sensor acquires signals with different signal processing techniques. In addition, there is a tachometer that acquires variations in rotational velocity at the input side.
The kinematic study of the robotic gearbox was performed to understand the frequency of vibrations and to determine whether the gearbox is faulty. It was found that the gearbox is in healthy operation when the amplitude of the x and y is low. However, when the amplitude is high, it is indicative of a malfunctioning element.
The frequency analysis of vibration signals is performed for both cyclostationary and noncyclostationary conditions. The frequencies that are selected are those that appear in both types of conditions.

Robust against shock loads

Compared to traditional gearboxes, cycloidal gearboxes have significant benefits when it comes to shock loads. These include high shock-load capacity, high efficiency, reduced cost, lower weight, lower friction, and better positioning accuracy.
Cycloid gears can be used to replace traditional planetary gears in applications where inertia is important, such as the transportation of heavy loads. They have a lighter design and can be manufactured to a more compact size, which helps reduce cost and installation expense. Cycloid gears are also able to provide transmission ratios of up to 300:1 in a small package.
Cycloid gears are also suitable for applications where a long service life is essential. Their radial clamping ring reduces inertia by up to 39%. Cycloid gears have a torsional stiffness that is five times higher than that of conventional planetary gears.
Cycloid gearboxes can provide significant improvements in concrete mixers. They are a highly efficient design, which allows for important innovations. They are also ideal for servo applications, machine tools, and medical technology. They feature user-friendly screw connections, effective corrosion protection, and effective handling.
Cycloid gears are especially useful for applications with critical positioning accuracy. For example, in the control of large parabolic antennas, high shock load capacity is required to maintain accuracy. Cycloid gears can withstand shock loads up to 500% of their rated torque.helical gearbox

Inertial effects

Various studies have been conducted to investigate the static problems of gears. However, there is still a need for a proper model to investigate the dynamic behaviour of a controlled system. For this, a mathematical model of a cycloidal gearbox has been developed. The presented model is a simple model that can be used as the basis for a more complex mechanical model.
The mathematical model is based on the cycloidal gearbox’s mechanical construction and has a nonlinear friction characteristic. The model is able to reproduce the current peaks and breaks at standstill. It also considers the stiction effect. However, it does not cover backlash or torsional stiffness.
This model is used to calculate the torque generating current and the inertia of the motor. These values are then compared with the real system measurement. The results show that the simulation results are very close to the real system measurement.
Several parameters are considered in the model to improve its dynamic behaviour. These parameters are calculated from the harmonic drive system analysis. These are torque-generating current, inertia, and the contact forces of the rotating parts.
The model has a high level of accuracy and can be used for motor control. It is also able to reproduce the dynamic behaviour of a controlled system.
China best CE; ISO9001 Conical - Cylindrical Gear CZPT Reducer Motor Gmr9000   cycloidal gear driveChina best CE; ISO9001 Conical - Cylindrical Gear CZPT Reducer Motor Gmr9000   cycloidal gear drive
editor by CX 2023-11-22

China Best Sales Foot Mounted Cast Iron Gearbox X, B Series Inline Cycloidal Gear Motor differential gearbox

Product Description

 

Product Description

Product Features

– Highly Standard Modular Designed
– Quality material ensures the product reliability
– High Strength,Compact Dimension
– Long Service Life
– Low Noise
– High Efficiency
– Large radial loading ability
– Cost-effective

Detailed Photos

 

Product Parameters

 

Models

Power

Ratio

Max. Torque

Output Shaft Dia.

Input Shaft Dia.

1 Stage

X2(B0/B12)

0.37~1.5

9~87

150

Φ25(Φ30)

Φ15

X3(B1/B15)

0.55~2.2

9~87

250

Φ35

Φ18

X4(B2/B18)

0.75~4.0

9~87

500

Φ45

Φ22

X5(B3/B22)

1.5~7.5

9~87

1,000

Φ55

Φ30

X6(B4/B27)

2.2~11

9~87

2,000

Φ65(Φ70)

Φ35

X7

3.0~11

9~87

2,700

Φ80

Φ40

X8(B5/B33)

5.5~18.5

9~87

4,500

Φ90

Φ45

X9(B6/B39)

7.5~30

9~87

7,100

Φ100

Φ50

X10(B7/B45)

15~45

9~87

12,000

Φ110

Φ55

X11(B8/B55)

18.5~55

9~87

20,000

Φ130

Φ70

Our Advantages

 

Packaging & Shipping

 

Company Profile

Xihu (West Lake) Dis.ng Transmission Equipment Co., Ltd. located HangZhou city, ZHangZhoug, as 1 professional
manufacturer and exporter of cycloidal pin wheel reducer,worm reducer, gear reducer, gearbox ,
AC motor and relative spare parts, owns rich experience in this line for many years.

We are 1 direct factory, with advanced production equipment, the strong development team and
producing capacity to offer quality products for customers.

Our products widely served to various industries of Metallurgy, Chemicals, textile,medicine,wooden
etc. Main markets: China, Africa,Australia,Vietnam, Turkey,Japan, Korea, Philippines…

Welcome to ask us any questions, good offer always for you for long term business.

FAQ

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements. 

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Change Drive Direction, Speed Changing, Speed Reduction
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Four-Step
Samples:
US$ 200/Piece
1 Piece(Min.Order)

|
Request Sample

cycloidal gearbox

Suitability of Cycloidal Gearboxes for High-Torque Applications

Cycloidal gearboxes are well-suited for high-torque applications due to their unique design and mechanical advantages. Here’s why they are suitable:

  • Multiple Engagement Points: Cycloidal gearboxes have multiple teeth in contact at any given moment, distributing the load over a larger area. This reduces wear and stress on individual teeth, making them capable of handling high torque.
  • High Load-Carrying Capacity: The design of the cycloidal mechanism, with its large number of pins and rollers, provides high load-carrying capacity. This makes them capable of transmitting significant torque without failure.
  • Tight Tolerances: The precision and tight tolerances in the construction of cycloidal gearboxes ensure smooth and efficient power transmission even under heavy loads.
  • Compact Design: Cycloidal gearboxes achieve high torque in a relatively compact size. This is particularly advantageous in applications where space is limited.
  • High Gear Ratio: Cycloidal gearboxes can achieve high gear ratios, allowing them to convert lower input speeds into higher output torque, which is essential in high-torque applications.

These factors make cycloidal gearboxes a reliable choice for various high-torque applications across industries such as heavy machinery, robotics, material handling, and more.

cycloidal gearbox

History of Cycloidal Gear System Development

The history of cycloidal gear systems dates back to ancient times, with various forms of non-circular gears being used for specialized applications. The concept of the cycloidal gear system as we know it today, however, has evolved over centuries of engineering and innovation:

  • Ancient Roots: The concept of using non-circular gears can be traced back to ancient civilizations, where devices like the “Antikythera Mechanism” (c. 150-100 BC) employed non-circular gear arrangements.
  • Cam Mechanisms: During the Renaissance, engineers and inventors like Leonardo da Vinci explored mechanisms involving cams and followers, which are precursors to modern cycloidal gears.
  • Cycloidal Motion Studies: In the 19th century, engineers and mathematicians like Franz Reuleaux and Robert Willis studied and developed mechanisms based on the principles of cycloidal motion.
  • Early Cycloidal Gearboxes: The development of cycloidal gear systems gained momentum in the late 19th and early 20th centuries, with inventors like Emile Alluard and Louis André creating early forms of cycloidal gear mechanisms and gearboxes.
  • Cycloidal Drive: The term “cycloidal drive” was coined by James Watt in the 18th century, referring to mechanisms that produce a motion resembling a rolling circle.
  • Modern Cycloidal Gearboxes: The development of modern cycloidal gearboxes was further advanced by engineers like Ralph B. Heath, who patented the “Harmonic Drive” in the 1950s. This invention marked a significant step in the advancement and commercialization of precision cycloidal gear systems.
  • Advancements and Applications: Over the decades, cycloidal gear systems have found applications in robotics, aerospace, automation, and other fields that require compactness, precision, and high torque capabilities.

The history of cycloidal gear system development reflects the contributions of many engineers and inventors who have refined and advanced the technology over time. Today, cycloidal gearboxes continue to play a crucial role in various industries and applications.

cycloidal gearbox

Industries Benefiting from Cycloidal Gearboxes

Cycloidal gearboxes find applications in various industries where their unique characteristics are advantageous:

  • Robotics and Automation: Cycloidal gearboxes are widely used in robotic systems for their compact design, high torque capacity, and precise motion control.
  • Material Handling: Industries such as logistics and warehousing benefit from cycloidal gearboxes in conveyor systems due to their ability to handle heavy loads and provide smooth and accurate movement.
  • Manufacturing: Equipment used in manufacturing processes, such as packaging machines and printing presses, often incorporate cycloidal gearboxes for their reliability and precise positioning.
  • Aerospace: In aerospace applications, cycloidal gearboxes can be found in satellite systems, where their compactness and high torque-to-weight ratio are crucial.
  • Medical Devices: Cycloidal gearboxes are used in medical equipment like robotic surgery systems for their precise movement capabilities and space-saving design.
  • Defense: Military applications, such as remotely operated vehicles and surveillance equipment, benefit from cycloidal gearboxes’ ability to handle rugged conditions and provide precise control.

These industries leverage the advantages of cycloidal gearboxes to enhance the performance and efficiency of their systems.

China Best Sales Foot Mounted Cast Iron Gearbox X, B Series Inline Cycloidal Gear Motor   differential gearbox	China Best Sales Foot Mounted Cast Iron Gearbox X, B Series Inline Cycloidal Gear Motor   differential gearbox
editor by CX 2023-11-16

China factory Hollow Shaft /Spline Shaft Planetary Gear Box Reducer planetary gears gear ratio

Product Description

 

Hollow shaft /spline shaft planetary gear box reducer Technical Parameter:                                                                                                 

Output Torque Range: 1000 to 450,000 N.m

Transmissible Mechanical Power: up to 450 kW

Gear Ratios: 3 to 9000

Gear Unit Versions:

In line (Co-axial )

Right angle (with a spiral bevel gear set)

Output Configuration:

Foot and flange mounted

Output shaft: CZPT with key, spline, spline hollow,

Hollow with shrink disc

Input Configurations

Flanged axial piston hydraulic motors

Hydraulic orbit motors

IEC and NEMA motor adaptors

Solid input shaft

Hydraulic Brake: Hydraulically released parking brake on request

 

 

Equivalent To Other Brand : 

 

 Bonfiglioli

 300 Series

 Brevini

 EM/ED/ET/ET

Dynamic oil

RE Series

REGGIANA RIDUTTOR

RR Series

Application:

N series planetary speed reducer is widely used for industrial applications. With the designs deriving from modern innovating, the product makes great progress in a compact, price effectiveness and combination. The product configuration is highly versatile due to several options as far as the mounting, the output shaft and the motor interface. With overloading bearing fixed to the output shaft, the products has been 1 of the powerful solutions to heavy-duty drive problems.
 

How To Select a Complete CZPT planetary gearbox:
Complete planetary gearbox made up of 4 parts :

A
Input Component
  1:AC electric motor
  2: NEMA or IEC motor
  3: NEMA or IEC motor adapter flange
  4: the Solid input shaft
  5: Solid input shaft with the fan
B
Gear Reductions (co-axial stage 1-5 ,right angle 1-4 . )
  6:Right angle reduction stage
  7: Planetary reduction stage
  8: Worm/planetary combination
  9: Bevel helical planetary combination
   
C
Output Component 
  10: Flanged output/ Footed output-Solid shaft
  11: Flanged output/ Footed output-Male spline shaft
  12: Flanged output/ Footed output- Female spline shaft
  13: Flanged output/ Footed output-
  14: Flanged output/ Footed output-Pinion
  15: Shaft Mount output for shrink disc
D
 Fittings
  16: Flange
  17: Pinion gear
  18: Sleeve coupling
  19: Endplate
  20: Splined bar
  21: Shrink disc
   

 

 
Packaging & Shipping

Package :                                                                                              

SGR gearbox use standard wood case per gear motor | gear unit.

Shipping :                                                                                             

According to Customer requirement, we delivery products by different transport, Sea shipping, Air Transportation / Express or Truck transportation etc.

Our Services
 
With all our activities DNV-ISO 9001, SGS -certified, we stand for top-quality service. Entrusting your gearboxes to the care of our Services.

 

Help protect your gearbox from wear and grinding, SGR gearbox converts torque reliably and effi­ciently.
We customize our CZPT planetary gear units, double enveloping worm gearbox, helical gear motor, modular design helical gear unit, worm gearbox, cycloidal gearbox etc to fit your application and meet your needs. 

These features enable a reliable and safe service life of over 200 000 operational hours. 

Our customers have been placing their trust in CZPT gear units since 1997. More than 500 000 gear units of our gearbox are in use reliably around the world, in many cases under very harsh conditions.

Our Honour and Patent :                                                                                                      

 

Company Information
ABOUT US:                                                                                         

ZheJiang CZPT Heavy Industry Machinery Co., Ltd.(formerly known as ZheJiang CZPT Reducer Co., Ltd. ) (sgrgear )  has accumulated rich original designing & manufacturing experience after being founded in 1996. CZPT brand planetary gear reducer has won the honor of “Science and Technology Advancement Prize” awarded by the National Speed Reducer & Variator Industry Association.

We produce planetary gear units, planar double-enveloping worm gear speed reducers (cone worm gear reducer), helical-bevel gear motors, worm gear reducers, helical worm gear motors, helical gear motors and many other types of gear units. CZPT gear motors and gear units have given satisfactory performance in different industrial applications, including metallurgy, mineral, architecture, shipbuilding, petroleum combination, aviation space-flight, lift routing, textile mechanic, cement, pharmaceuticals, pumps, general mechanic and other domain.

With the advantage of high quality & competitive price, CZPT gear motor and gear units are widely welcomed in the domestic market and exported to Southeast Asia, Middle Asia, North America and European countries etc.

With the excellent testing program, CZPT company is always keeping up with the most advanced technology in the world. We have already acquired DNV-ISO9001: 2008 certificate, SGS, CE etc and a patent on CZPT branded gearbox. 

We have adopted advanced CAD and CIMS in design & manufacture, which help our engineers develop 3 – 5 series of new efficient products each year. All staff in sales & service department are well trained termly, thus you will be always warmly welcomed and understood by our company

FAQ

  •  
    • Q:  What is your business type?

    A: CZPT is gearbox manufacturer and Solutions Provider,  we are experts of the planetary

    gear reducer, cone worm gearbox, modular design helical gear motor, worm gearbox etc. 

    A suitable model will offer to you according to your requirement, besides, CZPT also has professional technical team specializes in the custom gearbox and gearbox repair.   

     

    • Q: How long can you provide products guarantee Period?

    A: Based on different gearbox types, 12-18 months.

     

    • Q: What’s Certification your product acquire?

    A: DNV-ISO9001: 2008, SGS, CE etc. and new products patent.

     

    • Q: How many technical employees in your company? 

    A: We have 10 engineers in our R&D Dep., included 1 engineers who enjoy government ‘s allowance.

     

    • Q: Where is your company & how to contact you?

    A: Our factory located in No.879 , JinLiu Rd, JinShan District , ZheJiang  City , China .  

     

             
     

Application: Motor, Machinery, Marine, Agricultural Machinery, Industry
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Four-Step
Customization:
Available

|

Customized Request

helical gearbox

How to Use a Cyclone Gearbox

Often, a cycloidal gearbox is used in order to achieve a torque transfer from a motor or pump. This type of gearbox is often a common choice as it has a number of advantages over a regular gearbox. Its main advantage is that it is easy to make, which means that it can be incorporated into a variety of applications. However, if you want to use a cycloidal gearbox, there are a few things that you need to know. These include the operation principle, the structure and the dynamic and inertial effects that come with it.

Dynamic and inertial effects

Several studies have been carried out on the static and dynamic properties of cycloidal gears. The study of these effects is beneficial in assisting optimal design of cycloidal speed reducers.
In this paper, the dynamic and inertial effects of a two-stage cycloidal speed reducer have been investigated using the CZPT program package. Moreover, a new model for cycloidal reducers based on non-linear contact dynamics has been developed. The new model aims to predict several operational conditions.
The normal excitation contact force for the cycloid discs of the first and second stage is very similar. However, the total deformation at the contact point is different. This effect is mainly due to the system’s own oscillations. The cycloid discs of the second stage turn around the ring gear roller with a 180deg angle. This angle is a significant contributor to the torque loads. The total excitation force on the cycloid discs of first and second stage is 1848 N and 2068.7 N, respectively.
In order to analyze the contact stress, different gear profiles were investigated. The mesh density was considered as an important design criterion. It was found that a bigger hole reduces the material content of the cycloidal disc and results in more stresses.
Moreover, it is possible to reduce the contact forces in a more efficient manner by changing the geometric parameters. This can be done by mesh refinement along the disc width. The cycloidal disc has the greatest influence on the output results.
The efficiency of a cycloidal drive increases with the increase in load. The efficiency of a cycloidal reducer also depends on the eccentricity of the input shaft and the cycloidal plate. The efficiency curve for small loads is linear. However, for the larger loads, the efficiency curve becomes more non-linear. This is because the stiffness of the cycloid reducer increases as the load increases.

Structure

Despite the fact that it looks like a complicated engineering puzzle, the construction of a cycloidal gearbox is actually quite simple. The key elements are the base, the load plate and the thrust bearing. All these elements work together to create a stable, compact gearbox.
The base is a circular section with several cylindrical pins around its outer edge. The pins are fixed on a fixed ring that holds them in a circular path. The ring serves as a reference circle. The circle’s size is approximately 5mm in diameter.
The load plate is a series of threaded screw holes. These are arranged 15mm away from the center. These are used to anchor external structures. The load plate must be rotated around the X and Y axis.
The thrust bearing is placed on top of the load plate. The bearing is made of an internal diameter of 35mm and an external diameter of 52mm. It is used to allow rotation around the Z axis.
The cycloidal disc is the centerpiece of the cycloidal gearbox. The disc has holes for the pins that drive the output shaft. The holes are larger than those used in output roller pins. The disc also has a reduced eccentricity.
The pins are attached to the cycloidal disc by rolling pins. The pins are made of a material that provides mechanical support for the drive during high-torque situations. The pins have a 9mm external diameter. The disc has a number of lobes and is rotated by one lobe per shaft revolution.
The cycloidal gearbox also has a top cover that helps keep the components together. The cover has a pocket for tools. The top cover also has threads that screw into the casing.helical gearbox

Operation principle

Among many types of gear transmissions, cycloidal gearboxes are used in heavy machinery and multi-axis robots. They are highly effective, compact and capable of high ratios. In addition, they have an overload capability.
Cycloid disks are driven by eccentric shafts that rotate around fixed ring pins. Roller pins of the pin disc engage with holes in the cycloidal disc. These roller pins drive the pin disc and the pin disc transfers the motion to the output shaft.
Unlike conventional gear drives, cycloidal drives have low backlash and high torsional stiffness. They are ideally suited to heavy loads and all drive technologies. The lower mass and compact design of the cycloidal disk also contributes to its high efficiency and positioning accuracy.
The cycloidal disc plays a central role in the gearbox kinematics. It rotates around a fixed ring in a circle. When the disc is pushed against the ring gear, the pins engage with the disc and the roller pins rotate around the pins. This rotating motion generates vibration, which travels through the driven shafts.
Cycloid discs are typically designed with a short cycloid, so that the eccentricity is minimized. This reduces unbalance forces at high speeds. Ideally, the number of lobes on the cycloid is smaller than the number of surrounding pins. This reduces the amount of Hertzian contact stress.
Unlike planetary gears, cycloidal gears have high accuracy and are capable of withstanding shock loads. They also experience low friction and less wear on tooth flanks. They also have higher efficiency and load capacity.
Cycloid gears are generally more difficult to manufacture than involute gears. Cycloid gears are not suitable for stacking gear stages. They require extreme accuracy for manufacturing. However, their smaller size and low backlash, high torsional stiffness, and low vibration make them ideal for use in heavy machines.

Involute gear tooth profile

Almost all gears are manufactured with an involute gear tooth profile. Cycloid gears are also produced with this profile. Compared with involute gears, cycloid gears are stronger and can transmit more power. However, they can also be more difficult to manufacture. This makes them costlier.
The involute gear tooth profile is a smooth curve. It is derived from the involute curve of a circle. A tangent to the base circle is the normal at any point of an involute.
This curve has properties that allow the involute gear teeth to transfer motion in perpendicular direction. It is also the path traced by the end of the string unwrapping from a cylinder.
An involute profile has the advantage of being easy to manufacture. It also allows for smooth meshing despite misalignment of the centre distance. This profile is also preferred over a cycloid tooth profile, but it is not the best in every regard.
Cycloid gear teeth are also made of two curves. Unlike involute teeth, cycloid gear teeth have a consistent radius. Cycloid gears are less likely to produce noise. But they are also more expensive to manufacture.
Involute teeth are easier to manufacture because they have only one curve. Cycloid gears can also be made with a rack type cutter. This makes them cheaper to manufacture. However, they require an expert design. They can also be manufactured with a gear shaper that includes a pinion cutter.
The tooth profiles that satisfy the law of gear-tooth action are sometimes called conjugate profiles. The involute profile is the most common of these. It allows for constant torque transmission.helical gearbox

Backlash

Typically, cycloidal drives provide a high ratio of transmission with no backlash. This is because the cycloid disc is driven by an eccentric shaft. During rotation, the cycloid disc rotates around a fixed ring. This ring also rotates independently of the center of gravity.
The cycloid disc is typically shortened to reduce the eccentricity. This helps to minimize the unbalance forces that may occur at high speeds. The cycloid also offers a larger gear ratio than traditional gears. This provides a better positional accuracy.
Cycloid drives also have a high torsional stiffness. This provides greater torsional resilience and shock load capabilities. This is important for a number of reasons, such as in heavy-duty applications.
Cycloid drives also have lower mass. These benefits make them ideally suited for all drive technologies. The design also allows for higher torsional stiffness and service life. These drives also have a much smaller profile.
Cycloid drives are also used to reduce speed. Because of the high torsional stiffness of the cycloid, they also have high positioning accuracy.
Cycloid drives are well-suited to a variety of applications, including electric motors, generators, and pump motors. They are also highly resistant to shock loads, which is important in a variety of applications. This design is ideal for applications that require a large transmission ratio in a compact design.
Cycloid drives also have the advantage of minimizing the clearance between the mating components. This helps to eliminate interference and ensure a positive fit. This is particularly important in gearboxes. It also allows for the use of a load cell and potentiometer to determine the backlash of the gearbox.
China factory Hollow Shaft /Spline Shaft Planetary Gear Box Reducer   planetary gears gear ratioChina factory Hollow Shaft /Spline Shaft Planetary Gear Box Reducer   planetary gears gear ratio
editor by CX 2023-11-13

China high quality High Speed Shaft 1.2/1.5/2.0 Pull Back Standard Spring Gear Box Toy Accessories Pull-Back Gear Assembly Machine supplier

Product Description

High Speed Shaft 1.2/1.5/2.0 Pull Back Standard Spring Gear Box
Toy Accessories Pull-Back Gear Assembly Machine

 

             This is a special fully automatic assembly machine for 1.5mm pull back
         gear box toys. It adopts the latest technology to assembly the bottom cover,
         small gearbox, gearbox, iron shaft and upper cover by fully automatic,which
         saves labor and improves work efficiency.
                The whole production line is from feeding, sorting, assembling, to optical fiber
         detection of accessories, rejecting defective products, and finally to the discharge
         of qualified finished products, realizing automatic production, stable and efficient,
         high compatibility, and can effectively improve market competitiveness.

 

Machine Size

L2666*W1960*H1952mm

Output

1700-1800pcs /hour

Voltage

220V

Power

10 KW

Control Mode

PLC Control

Fuselage material

Aluminium alloy

Special requirement

Different sizes are optional

 

       1. Automatically Delivering all the parts of iron wheel by vibration.

       2. The Diameter of the iron wheel could be 26.32.34.

       3. Adopts the latest technology to assembly all the parts by full automatically.

       4.Detecting the defective products by optical fiber accurately and automatically.

       5. Equipment with high production efficiency, and can have multiple machines  for 1 operator,
           effectively reducing manual operation costs.

 

1. Q: How is the after-sale service?
    A: We provide 1 year guaranty and technical support lifetime. All parts of the machine can be replaced for free within 1 year if broken. (excluding error operation)

2. Q: Is it difficult to install the machine?
    A: The work shop shore prepare full facility such as power and air compressor. For the first installation, our engineer will be sent to set machine and do the machine training as long as manual instruction. If the further problems come out, we can provide video instruction as well.

3. Q: What’s the machine lead time?
    A:  For the standard machines, we can delivery within 30 days. If it is customized by customer (OEM), the lead time is 35-55 days.
 

 

Application: Machinery, Toy
Function: Speed Changing
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Four-Step
Customization:
Available

|

Customized Request

helical gearbox

The Advantages of Using a Cyclone Gearbox

Using a cycloidal gearbox to drive an input shaft is a very effective way to reduce the speed of a machine. It does this by reducing the speed of the input shaft by a predetermined ratio. It is capable of very high ratios in relatively small sizes.

Transmission ratio

Whether you’re building a marine propulsion system or a pump for the oil and gas industry, there are certain advantages to using cycloidal gearboxes. Compared to other gearbox types, they’re shorter and have better torque density. These gearboxes also offer the best weight and positioning accuracy.
The basic design of a cycloidal gearbox is similar to that of a planetary gearbox. The main difference is in the profile of the gear teeth.
Cycloid gears have less tooth flank wear and lower Hertzian contact stress. They also have lower friction and torsional stiffness. These advantages make them ideal for applications that involve heavy loads or high-speed drives. They’re also good for high gear ratios.
In a cycloidal gearbox, the input shaft drives an eccentric bearing, while the output shaft drives the cycloidal disc. The cycloidal disc rotates around a fixed ring, and the pins of the ring gear engage the holes in the disc. The pins then drive the output shaft as the disc rotates.
Cycloid gears are ideal for applications that require high gear ratios and low friction. They’re also good for applications that require high torsional stiffness and shock load resistance. They’re also suitable for applications that require a compact design and low backlash.
The transmission ratio of a cycloidal gearbox is determined by the number of lobes on the cycloidal disc. The n=n design of the cycloidal disc moves one lobe per revolution of the input shaft.
Cycloid gears can be manufactured to reduce the gear ratio from 30:1 to 300:1. These gears are suitable for high-end applications, especially in the automation industry. They also offer the best positioning accuracy and backlash. However, they require special manufacturing processes and require non-standard characteristics.

Compressive force

Compared with conventional gearboxes, the cycloidal gearbox has a unique set of kinematics. It has an eccentric bearing in a rotating frame, which drives the cycloidal disc. It is characterized by low backlash and torsional stiffness, which enables geared motion.
In this study, the effects of design parameters were investigated to develop the optimal design of a cycloidal reducer. Three main rolling nodes were studied: a cycloidal disc, an outer race and the input shaft. These were used to analyze the motion related dynamic forces, which can be used to calculate stresses and strains. The gear mesh frequency was calculated using a formula, which incorporated a correction factor for the rotating frame of the outer race.
A three-dimensional finite element analysis (FEA) study was conducted to evaluate the cycloidal disc. The effects of the size of the holes on the disc’s induced stresses were investigated. The study also looked at the torque ripple of a cycloidal drive.
The authors of this study also explored backlash distribution in the output mechanism, which took into account the machining deviations and structure and geometry of the output mechanism. The study also looked at the relative efficiency of a cycloidal reducer, which was based on a single disc cycloidal reducer with a one-tooth difference.
The authors of this study were able to deduce the contact stress of the cycloidal disc, which is calculated using the material-based contact stiffness. This can be used to determine accurate contact stresses in a cycloidal gearbox.
It is important to know the ratios needed for calculation of the bearing rate. This can be calculated using the formula f = k (S x R) where S is the volume of the element, R is the mass, k is the contact stiffness and f is the force vector.helical gearbox

Rotational direction

Unlike the conventional ring gear which has a single axis of rotation, cycloidal gearbox has three rotational axes which are parallel and are located in a single plane. A cycloidal gearbox has excellent torsional stiffness and shock load capacity. It also ensures constant angular velocity, and is used in high-speed gearbox applications.
A cycloidal gearbox consists of an input shaft, a drive member and a cycloidal disc. The disc rotates in one direction, while the input shaft rotates in the opposite direction. The input shaft eccentrically mounts to the drive member. The cycloidal disc meshes with the ring-gear housing, and the rotational motion of the cycloidal disc is transferred to the output shaft.
To calculate the rotational direction of a cycloidal gearbox, the cycloid must have the correct angular orientation and the centerline of the cycloid should be aligned with the center of the output hole. The cycloid’s shortest length should be equal to the radius of the pin circle. The cycloid’s largest radius should be the size of the bearing’s exterior diameter.
A single-stage gear will not have much space to work with, so you’ll need a multistage gear to maximize space. This is also the reason that cycloid gears are usually designed with a shortened cycloid.
To calculate the most efficient tooth profile for a cycloidal gear, a new method was devised. This method uses a mathematical model that uses the cycloid’s rotational direction and a few other geometric parameters. Using a piecewise function related to the distribution of pressure angle, the cycloid’s most efficient profile is determined. It is then superimposed on the theoretical profile. The new method is much more flexible than the conventional method, and can adapt to changing trends of the cycloidal profile.

Design

Several designs of cycloidal gearboxes have been developed. These gearboxes have a large reduction ratio in one stage. They are mainly used for heavy machines. They provide good torsional stiffness and shock load capacity. However, they also have vibrations at high RPM. Several studies have been conducted to find a solution to this problem.
A cycloidal gearbox is designed by calculating the reduction ratio of a mechanism. This ratio is obtained by the size of the input speed. This is then multiplied by the reduction ratio of the gear profile.
The most important factor in the design of a cycloidal gearbox is the load distribution along the width of the gear. Using this as a design criterion, the amplitude of vibration can be reduced. This will ensure that the gearbox is working properly. In order to generate proper mating conditions, the trochoidal profile on the cycloidal disc periphery must be defined accurately.
One of the most common forms of cycloidal gears is circular arc toothing. This is the most common type of toothing used today.
Another form of gear is the hypocycloid. This form requires the rolling circle diameter to be equal to half the base circle diameter. Another special case is the point tooth form. This form is also called clock toothing.
In order to make this gear profile work, the initial point of contact must remain fixed to the edge of the rolling disk. This will generate the hypocycloid curve. The curve is traced from this initial point.
To investigate this gear profile, the authors used a 3D finite element analysis. They used the mathematical model of gear manufacturing that included kinematics parameters, output moment calculations, and machining steps. The resulting design eliminated backlash.helical gearbox

Sizing and selection

Choosing a gearbox can be a complex task. There are many factors that need to be taken into account. You need to determine the type of application, the required speed, the load, and the ratio of the gearbox. By gaining this information, you can find a solution that works best for you.
The first thing you need to do is find the proper size. There are several sizing programs available to help you determine the best gearbox for your application. You can start by drawing a cycloidal gear to help you create the part.
During sizing, it is important to consider the environment. Shock loads, environmental conditions, and ambient temperatures can increase wear on the gear teeth. The temperature also has a significant impact on lubrication viscosities and seal materials.
You also need to consider the input and output speed. This is because the input speed will change your gearbox ratio calculations. If you exceed the input speed, you can damage the seals and cause premature wear on the shaft bearings.
Another important aspect of sizing is the service factor. This factor determines the amount of torque the gearbox can handle. The service factor can be as low as 1.4, which is sufficient for most industrial applications. However, high shock loads and impact loads will require higher service factors. Failure to account for these factors can lead to broken shafts and damaged bearings.
The output style is also important. You need to determine if you want a keyless or keyed hollow bore, as well as if you need an output flange. If you choose a keyless hollow bore, you will need to select a seal material that can withstand the higher temperatures.
China high quality High Speed Shaft 1.2/1.5/2.0 Pull Back Standard Spring Gear Box Toy Accessories Pull-Back Gear Assembly Machine   supplier China high quality High Speed Shaft 1.2/1.5/2.0 Pull Back Standard Spring Gear Box Toy Accessories Pull-Back Gear Assembly Machine   supplier
editor by CX 2023-11-08

China high quality ZD Optional Flange Zero Backlash Robot Joint Reducer Gearbox for Bottle-making Machine, UV Printer cycloidal gear advantages

Product Description

Model Selection

     ZD Leader has a wide range of micro motor production lines in the industry, including DC Motor, AC Motor, Brushless Motor, Planetary Gear Motor, Drum Motor,  Planetary Gearbox, RV Reducer and Harmonic Gearbox etc. Through technical innovation and customization, we help you create outstanding application systems and provide flexible solutions for various industrial automation situations. 

• Model Selection
Our professional sales representive and technical team will choose the right model and transmission solutions for your usage depend on your specific parameters.

• Drawing Request

If you need more product parameters, catalogues, CAD or 3D drawings, please contact us.
 

• On Your Need

We can modify standard products or customize them to meet your specific needs.

Product Parameters

Model Code:

                                                  E Series                                                        C Series
Code Outline dimension  General model Code Outline dimension The Original code
120 Φ122 6E 10C Φ145 150
150 Φ145 20E 27C Φ181 180
190 Φ190 40E 50C Φ222 220
220 Φ222 80E 100C Φ250 250
250 Φ244 110E 200C Φ345 350
280 Φ280 160E 320C Φ440 440
320 Φ325 320E 500C Φ520 520
370 Φ370 450E      

Gear Ratio:

                                                   E Series                                                        C Series
Code Reduction Ratio New code  Monomer reduction ratio
120 43,53.5,59,79,103 10CBX 27.00
150 81,105,121,141,161 27CBX 36.57
190 81,105,121,153 50CBX 32.54
220 81,101,121,153 100CBX 36.75
250 81,111,161,175.28 200CBX 34.86
280 81,101,129,145,171 320CBX 35.61
320 81,101,118.5,129,141,171,185 500CBX 37.34
370 81,101,118.5,129,154.8,171,192.4    
Note 1: E series,such as by the shell(pin shell)output,the corresponding reduction ratio by 1
Note 2: C series gear ratio refers to the motor installed in the casing of the reduction ratio,if installed on the output flange side,the corresponding reduction ratio by 1

Type Of RV Reducer

Application Of RV Reeducer

        Precision Cycloidal Gearbox is widely used in industrial machinery fields such as machine tool of four-5-axis, pick-up manipulator for die-casting, industrial robot, die-casting feeding machine, manipulator for punching machine, AGV driver, bottle-making machine, UV Printer and etc.

Other Products

Company Profile

Application: Machinery
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Double-Step
Customization:
Available

|

Customized Request

helical gearbox

Cyclone Gearbox Vs Involute Gearbox

Whether you’re using a cycloidal gearbox or an involute gearbox for your application, there are a few things you should know. This article will highlight some of those things, including: cycloidal gearbox vs involute gearbox, weight, compressive force, precision, and torque density.

Compressive force

Several studies have been carried out to analyze the static characteristics of gears. In this article, the authors investigate the structural and kinematic principles of a cycloidal gearbox. The cycloidal gearbox is a gearbox that uses an eccentric bearing inside a rotating frame. It has no common pinion-gear pair, and is therefore ideal for a high reduction ratio.
The purpose of this paper is to investigate the stress distribution on a cycloidal disc. Various gear profiles are investigated in order to study the load distribution and dynamic effects.
Cycloidal gearboxes are subject to compression and backlash, which require the use of proper ratios for the bearing rate and the TSA. The paper also focuses on the kinematic principles of the reducer. In addition, the authors use standard analysis techniques for the shaft/gear and the cycloidal disc.
The authors previously worked on a rigid body dynamic simulation of a cycloidal reducer. The analysis used a trochoidal profile on the cycloidal disc periphery. The trochoidal profile is obtained from a manufacturing drawing and takes into account the tolerances.
The mesh density in the cycloidal disc captures the exact geometry of the parts. It provides accurate contact stresses.
The cycloidal disc consists of nine lobes, which move by one lobe per rotation of the drive shaft. However, when the disc is rotated around the pins, the cycloidal disc does not move around the center of gravity. Therefore, the cycloidal disc shares torque load with five outer rollers.
A low reduction ratio in a cycloidal gearbox results in a higher induced stress in the cycloidal disc. This is due to the bigger hole designed to reduce the material inside the disc.

Torque density

Several types of magnetic gearboxes have been studied. Some magnetic gearboxes have a higher torque density than others, but they are still not able to compete with the mechanical gearboxes.
A new high torque density cycloidal magnetic gearbox using Halbach rotors has been developed and is being tested. The design was validated by building a CPCyMG prototype. The results showed that the simulated slip torque was comparable to the experimental slip torque. The peak torque measured was a p3 = 14 spatial harmonic, and it corresponds to the active region torque density of 261.4 N*m/L.
This cycloidal gearbox also has a high gear ratio. It has been tested to achieve a peak torque of 147.8 Nm, which is more than double the torque density of the traditional cycloidal gearbox. The design incorporates a ferromagnetic back-support that provides mechanical fabrication support.
This cycloidal gearbox also shows how a small diameter can achieve a high torque density. It is designed with an axial length of 50mm. The radial deflection forces are not serious at this length. The design uses a small air gap to reduce the radial deflection forces, but it is not the only design option.
The trade-off design also has a high volumetric torque density. It has a smaller air gap and a higher mass torque density. It is feasible to make and mechanically strong. The design is also one of the most efficient in its class.
The helical gearing design is a newer technology that brings a higher level of precision to a cycloidal gearbox. It allows a servomotor to handle a heavy load at high cycle rates. It is also useful in applications that require smaller design envelopes.helical gearbox

Weight

Compared to planetary gearboxes, the weight of cycloidal gearboxes is not as significant. However, they do provide some advantages. One of the most significant features is their backlash-free operation, which helps them deliver smooth and precise movement.
In addition, they provide high efficiency, which means that servo motors can run at higher speeds. The best part is that they do not need to be stacked up in order to achieve a high ratio.
Another advantage of cycloidal gearboxes is that they are usually less expensive than planetary gearboxes. This means that they are suitable for the manufacturing industry and robotics. They are also suited for heavy-duty robots that require a robust gearbox.
They also provide a better reduction ratio. Cycloidal gears can achieve reduction ratios from 30:1 to 300:1, which is a huge improvement over planetary gears. However, there are few models available that provide a ratio below 30:1.
Cycloidal gears also offer more resistance to wear, which means that they can last longer than planetary gears. They are also more compact, which helps them achieve high ratios in a smaller space. The design of cycloidal gears also makes them less prone to backlash, which is one of the major shortcomings of planetary gearboxes.
In addition, cycloidal gears can also provide better positioning accuracy. In fact, this is one of the primary reasons for choosing cycloidal gears over planetary gears. This is because the cycloid disc rotates around a bearing independently of the input shaft.
Compared to planetary gearboxes, cycloidal gears are also much shorter. This means that they provide the best positioning accuracy. They are also 50% lighter, meaning that they have a smaller diameter.

Precision

Several experts have studied the cycloidal gearbox in precision reducers. Their research mainly focuses on the mathematical model and the method for precision evaluation of cycloidal gears.
The traditional modification design of cycloidal gears is mainly realized by setting various machining parameters and center position of the grinding wheel. But it has some disadvantages because of unstable meshing accuracy and uncontrollable tooth profile curve shape.
In this study, a new method of modification design of cycloidal gears is proposed. This method is based on the calculation of meshing backlash and pressure angle distribution. It can effectively pre-control the transmission accuracy of cycloid-pin gear. It can also ensure good meshing characteristics.
The proposed method can be applied in the manufacture of rotary vector reducers. It is also applicable in the precision reducer for robots.
The mathematical model for cycloidal gears can be established with the pressure angle a as a dependent variable. It is possible to calculate the pressure angle distribution and the profile pressure angle. It can also be expressed as DL=f(a). It can be applied in the design of precision reducers.
The study also considers the root clearance, the backlash of gear teeth and the profile angle. These factors have a direct effect on the transmission performance of cycloidal gear. It also indicates the higher motion accuracy and the smaller backlash. The modified profile can also reflect the smaller transmission error.
In addition, the proposed method is also based on the calculation of lost motion. It determines the angle of first tooth contacts. This angle is an important factor affecting the modification quality. The transmission error after the second cycloid method is the least.
Finally, a case study on the CZPT RV-35N gear pair is shown to prove the proposed method.helical gearbox

Involute gears vs cycloidal gears

Compared to involute gears, cycloidal gears have a lower noise, less friction, and last longer. However, they are more expensive. Cycloidal gears can be more difficult to manufacture. They may be less suitable for certain applications, including space manipulators and robotic joints.
The most common gear profile is the involute curve of a circle. This curve is formed by the endpoint of an imaginary taut string unwinding from the circle.
Another curve is the epicycloid curve. This curve is formed by the point rigidly attached to the circle rolling over another circle. This curve is difficult to produce and is much more expensive to produce than the involute curve.
The cycloid curve of a circle is also an example of the multi-cursor. This curve is generated by the locus of the point on the circle’s circumference.
The cycloid curve has the same diameter as the involute curve, but is tangentially curving along the circle’s diameter. This curve is also classified as ordinary. It has several other functions. The FE method was used to analyze the strain state of cycloidal speed reducers.
There are many other curves, but the involute curve is the most widely used gear profile. The involute curve of a circle is a spiraling curve traced by the endpoint of an imaginary tautstring.
Involute gears are a lot like a set of Lego blocks. They are a lot of fun to play with. They also have a lot of advantages. For example, they can handle center sifts better than cycloidal gears. They are also much easier to manufacture, so the cost of involute teeth is lower. However, they are obsolete.
Cycloidal gears are also more difficult to manufacture than involute gears. They have a convex surface, which leads to more wear. They also have a simpler shape than involute gears. They also have less teeth. They are used in rotary motions, such as in the rotors of screw compressors.
China high quality ZD Optional Flange Zero Backlash Robot Joint Reducer Gearbox for Bottle-making Machine, UV Printer   cycloidal gear advantagesChina high quality ZD Optional Flange Zero Backlash Robot Joint Reducer Gearbox for Bottle-making Machine, UV Printer   cycloidal gear advantages
editor by CX 2023-10-25

China Best Sales Small Magnetic Robot Arm Gear Speed Reducer Gearbox with Good quality

Product Description

Small Magnetic Robot Arm Gear Speed Reducer Gearbox

Model:220BX-REA-35

More Code And Specification:

E series C series
Code Outline dimension  General model Code Outline dimension The original code
120 Φ122 6E 10C Φ145 150
150 Φ145 20E 27C Φ181 180
190 Φ190 40E 50C Φ222 220
220 Φ222 80E 100C Φ250 250
250 Φ244 110E 200C Φ345 350
280 Φ280 160E 320C Φ440 440
320 Φ325 320E 500C Φ520 520
370 Φ370 450E      

Gear ratio And Specification

E Series C Series
Code Reduction Ratio New code  Monomer reduction ratio
120 43,53.5,59,79,103 10CBX 27.00
150 81,105,121,141,161 27CBX 36.57
190 81,105,121,153 50CBX 32.54
220 81,101,121,153 100CBX 36.75
250 81,111,161,175.28 200CBX 34.86
280 81,101,129,145,171 320CBX 35.61
320 81,101,118.5,129,141,171,185 500CBX 37.34
370 81,101,118.5,129,154.8,171,192.4    
Note 1: E series,such as by the shell(pin shell)output,the corresponding reduction ratio by 1
Note 2: C series gear ratio refers to the motor installed in the casing of the reduction ratio,if installed on the output flange side,the corresponding reduction ratio by 1

Reducer type code
REV: main bearing built-in E type
RVC: hollow type
REA: with input flange E type
RCA: with input flange hollow type

Application:

Company Information

FAQ
Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.

Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.

Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.

Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge. 

Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

Please contact us if you have detailed requests, thank you !

Application: Machinery, Robotic
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Double-Step
Customization:
Available

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Customized Request

helical gearbox

Condition Monitoring of Cyclone Gearboxes

Whether you’re considering using a cycloidal gearbox in your home, office, or garage, you’ll want to make sure it’s made of quality material. You also want to make sure it’s designed properly, so it won’t be damaged by vibrations.

Planetary gearboxes

Compared to cycloidal gearboxes, planetary gearboxes are lighter and more compact, but they lack the precision and durability of the former. They are better suited for applications with high torque or speed requirements. For this reason, they are usually used in robotics applications. But, cycloidal gearboxes are still better for some applications, including those involving shock loads.
There are many factors that affect the performance of gearboxes during production. One of these is the number of teeth. In the case of planetary gearboxes, the number of teeth increases with the number of planets. The number of teeth is reduced in cycloidal gearboxes, which results in higher transmission ratios. These gearboxes also have lower breakaway torques, which means that they can be controlled more easily by the user.
A cycloid gearbox is comprised of three main parts: the ring gear, the sun gear, and the input shaft. The ring gear is fixed in the gearbox, while the sun gear transmits the rotation to the planet gears. The input shaft transfers motion to the sun gear, which in turn transmits it to the output shaft. The output shaft has a larger torque than the input shaft.
Cycloid gears have better torsional stiffness, lower wear, and lower Hertzian contact stress. However, they are also larger in size and require highly accurate manufacturing. Cycloid gears can be more difficult to manufacture than involute gears, which require large amounts of precision.
Cycloid gears can offer transmission ratios up to 300:1, and they can do this in a small package. They also have lower wear and friction, which makes them ideal for applications that require a high transmission ratio.
Cycloid gearboxes are usually equipped with a backlash of about one angular minute. This backlash provides the precision and control necessary for accurate movement. They also provide low wear and shock load capacity.
Planetary gearboxes are available in single and two-stage designs, which increase in length as stages are added. In addition to the two stages, they can be equipped with an optional output bearing, which takes up mounting space. In some applications, a third stage is also available.

Involute gears

Generally, involute gears are more complex to manufacture than cycloidal gears. For example, an involute gear tooth profile has a single curve while a cycloidal gear tooth profile has two curves. In addition, the involute curve is not within the base circle.
The involute curve is a very important component of a gear tooth and it can significantly influence the quality of contact meshing between teeth. Various works have been done on the subject, mainly focusing on the operating principles. In addition, the most important characteristic of the double-enveloping cycloid drive is its double contact lines between the meshing tooth pairs.
Cycloid gears are more powerful, less noisy, and last longer than involute gears. They also require less manufacturing operations during production. However, cycloid gears are more expensive than involute gears. Involute gears are more commonly used in linear motions while cycloid gears are used for rotary motions.
Although cycloid gears are more technically advanced, involute gears have the superior quality and are more aesthetically pleasing. Cycloid gears are used in various industrial applications such as pumps and compressors. They are also widely used in the watch industry. Nevertheless, involute gears have not yet replaced cycloid gears in the watch industry.
The cycloid disc has a number of pins around its outer edge, while an involute gear has only a single curve for the teeth. In addition, cycloid gears have a more robust and reliable design. Involute gears, on the other hand, have a cheaper rack cutter and less expensive involute teeth.
The cycloid disc’s transmission accuracy is about 98.5%, while the ring gear’s transmission accuracy is about 96%. The cycloid disc’s rotational velocity has a magnitude of 3 rad/s. A small change in the center distance does not affect the transmission accuracy. However, rotational velocity fluctuation can affect the transmission accuracy.
Cycloid gears also have the cycloid gear disc’s rotational velocity. The disc has N lobes. However, the cycloid gear disc’s transmission accuracy is still not perfect. This is because of the large rotational angles between the lobes. This also makes it difficult to manufacture.helical gearbox

Vibrations

Using modern techniques for vibration diagnostics and data-driven methods, this article presents a new approach to condition monitoring of cycloidal gearboxes. This approach focuses on detecting the root cause of gearbox failure. The article aims to provide a unified approach to gear designers.
A cycloidal gearbox is a high-precision gearbox that is used in heavy-duty machines. It has a large reduction ratio, which makes it necessary to have a very large input speed. Cycloid gears have high accuracy, but they are susceptible to vibration issues. In this article, the authors describe how a cycloidal gearbox works and how vibrations are measured. They also show how this gearbox can be used to detect faults.
The gearbox is used in positioners, multi-axis robots, and heavy-duty machines. The main characteristics of this gearbox are the high accuracy, the overload capacity, and the large reduction ratio.
There is little documentation on vibrations and condition monitoring of cycloidal gearboxes. The authors describe their approach to the problem, using a cycloidal gearbox and a testing bench. Their approach involves measuring the frequency of the gearbox with different input speeds.
The results show a good separation between the healthy and damaged states. Fault frequencies show up in the lower orders of frequencies. Faults can be detected using binning, which eliminates the need for a tachometer. In addition, binning is combined with Principal Component Analysis to determine the state of the gearbox.
This method is compared to traditional techniques. In addition, the results show how binning can be used to calculate the defect frequencies of the bearings. It is also used to determine the frequencies of the components.
The signals from the test bench are acquired using four sensors. These sensors are medium sensitivity 100 mV/g accelerometers. The signals are then processed using different signal processing techniques. The results show that the vibration signals are correlated with the internal motion of the gearbox. This information is used to identify the internal frequency of the transmission.
The frequency analysis of vibration signals is performed in cyclostationary and noncyclostationary conditions. The signals are then analyzed to determine the magnitude of the gear meshing frequency.helical gearbox

Design

Using precision gearboxes, servomotors can now control heavy loads at high speed. Unlike cam indexing devices, cycloidal gears provide extremely accurate positioning and high torque. They also provide excellent torsional stiffness and shock load capacity.
Cycloid gears are specially designed to minimize vibration at high RPM. Unlike involute gears, they are not stacked, which reduces friction and forces experienced by each tooth. In addition, cycloidal gears have lower Hertzian contact stress.
Cycloid gears are often used in multi-axis robots for positioners. They can provide transmission ratios as high as 300:1 in a compact package. They are also used in first joints in heavy machines. However, they require extremely accurate manufacturing. They are also more difficult to produce than involute gears.
A cycloidal gearbox is a type of planetary gearbox. Cycloid gears are specially designed for high gear ratios. They also have the ability to provide a large reduction ratio in a single stage. They are increasingly used in first joints in heavy machines. They are also becoming more common in robotics.
In order to achieve a large reduction ratio, the input speed of the gear must be very high. Generally, the input speed is between 500 rpm and 4500 rpm. However, in some cases, the input speed may be lower.
A cycloid is formed by rolling a rolling circle on a base circle. The ratio between the rolling circle diameter and the base circle diameter determines the shape of the cycloid. A hypocycloid is formed by rolling primarily on the inside of the base circle, while an epicycloid is formed by rolling primarily on the outside of the base circle.
Cycloid gears have a very small backlash, which minimizes the forces experienced by each tooth. These gears also have a good torsional stiffness, low friction, and shock load capacity. They also provide the best positioning accuracy.
The cycloidal gearbox was designed and built at Radom University. The design was based on three different cycloidal gears. The first pair had the external profile at the nominal dimension, while the second pair had the profile minus tolerance. The load plate had threaded screw holes arranged 15 mm away from the center.
China Best Sales Small Magnetic Robot Arm Gear Speed Reducer Gearbox   with Good quality China Best Sales Small Magnetic Robot Arm Gear Speed Reducer Gearbox   with Good quality
editor by CX 2023-10-22

China supplier ZD Single-Step Circular-Gear Speed Changing and Speed-Reduction AC Torque Electric Gear Motor precision cycloidal gearbox

Product Description

Model Selection

ZD Leader has a wide range of micro motor production lines in the industry, including DC Motor, AC Motor, Brushless Motor, Planetary Gear Motor, Drum Motor, Planetary Gearbox, RV Reducer and Harmonic Gearbox etc. Through technical innovation and customization, we help you create outstanding application systems and provide flexible solutions for various industrial automation situations.

• Model Selection
Our professional sales representive and technical team will choose the right model and transmission solutions for your usage depend on your specific parameters.

• Drawing Request

If you need more product parameters, catalogues, CAD or 3D drawings, please contact us.
 

• On Your Need

We can modify standard products or customize them to meet your specific needs.

 

Detailed Photos

Product Parameters

Features:
1) Dimensions of motors: 60mm, 70mm, 80mm, 90mm, 104mm can be choosed

2) Reduction ration:
A. 60mm, 70mm, 90mm Strengthen Type, 104mm: 3~200K
B. 80mm: 3~200k & 250~ 2000k(Mid Gearbox)
C. 90mm Normal Type: 3~ 750k

SPECIFICATION FOR AC MOTORS:

MOTOR FRAME SIZE 60 mm / 70mm / 80mm / 90mm / 104mm
MOTOR TYPE INDUCTION MOTOR / REVERSIBLE MOTOR / TORQUE MOTOR / SPEED CONTROL MOTOR
SERIES K series
OUTPUT POWER 3 W / 6W / 10W / 15W / 25W / 40W / 60W / 90W / 120 W / 140W / 180W / 200W (can be customized)
OUTPUT SHAFT 8mm / 10mm / 12mm / 15mm ; round shaft, D-cut shaft, key-way shaft (can be customized)
Voltage type Single phase 100-120V 50/60Hz 4P Single phase 200-240V 50/60Hz 4P
Three phase 200-240V 50/60Hz Three phase 380-415V 50/60Hz 4P
Three phase 440-480V 60Hz 4P Three phase 200-240/380-415/440-480V 50/60/60Hz 4P
Accessories Terminal box type / with Fan / thermal protector / electromagnetic brake
Above 60 W, all assembled with fan
GEARBOX FRAME SIZE 60 mm / 70mm / 80mm / 90mm / 104mm
GEAR RATIO MINIMUM 3:1—————MAXIMUM 750:1
GEARBOX TYPE PARALLEL SHAFT GEARBOX AND STRENGTH TYPE
Right angle hollow worm shaft Right angle spiral bevel hollow shaft L type hollow shaft
Right angle CZPT worm shaft Right angle spiral bevel CZPT shaft L type CZPT shaft
K2 series air tightness improved type
Certification CCC  CE  UL  RoHS

 

Other Related Products

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Company Profile

 

FAQ

Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.

Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.

Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.

Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge.

Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

Application: Motor, Machinery, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Cycloidal
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Customization:
Available

|

Customized Request

helical gearbox

Developing a Mathematical Model of a Cyclone Gearbox

Compared to planetary gearboxes, cycloidal gearboxes are often seen as the ideal choice for a wide range of applications. They feature compact designs that are often low friction and high reduction ratios.

Low friction

Developing a mathematical model of a cycloidal gearbox was a challenge. The model was able to show the effects of a variety of geometric parameters on contact stresses. It was able to model stiction in all quadrants. It was able to show a clear correlation between the results from simulation and real-world measurements.
The model is based on a new approach that enables modeling stiction in all quadrants of a gearbox. It is also able to display non-zero current at standstill. Combined with a good simulation algorithm, the model can be used to improve the dynamic behaviour of a controlled system.
A cycloidal gearbox is a compact actuator used for industrial automation. This type of gearbox provides high gear ratios, low wear, and good torsional stiffness. In addition, it has good shock load capacity.
The model is based on cycloidal discs that engage with pins on a stationary ring gear. The resulting friction function occurs when the rotor begins to rotate. It also occurs when the rotor reverses its rotation. The model has two curves, one for motor and one for generator mode.
The trochoidal profile on the cycloidal disc’s periphery is required for proper mating of the rotating parts. In addition, the profile should be defined accurately. This will allow an even distribution of contact forces.
The model was used to compare the relative performance of a cycloidal gearbox with that of an involute gearbox. This comparison indicates that the cycloidal gearbox can withstand more load than an involute gearbox. It is also able to last longer. It is also able to produce high gear ratios in a small space.
The model used is able to capture the exact geometry of the parts. It can also allow a better analysis of stresses.

Compact

Unlike helical gearing, compact cycloidal gearboxes can provide higher reduction ratios. They are more compact and less weighty. In addition, they provide better positioning accuracy.
Cycloid drives provide high torque and load capacity. They are also very efficient and robust. They are ideal for applications with heavy loads or shock loads. They also feature low backlash and high torsional stiffness. Cycloid gearboxes are available in a variety of designs.
Cycloid discs are mounted on an eccentric input shaft, which drives them around a stationary ring gear. The ring gear consists of many pins, and the cycloidal disc moves one lobe for every rotation of the input shaft. The output shaft contains roller pins, which rotate around holes in the cycloidal disc.
Cycloid drives are ideally suited to heavy loads and shock loads. They have high torsional stiffness and high reduction ratios, making them very efficient. Cycloid gearboxes have low backlash and high torque and are very compact.
Cycloid gearboxes are used for a wide variety of applications, including marine propulsion systems, CNC machining centers, medical technology, and manipulation robots. They are especially useful in applications with critical positioning accuracy, such as surgical positioning systems. Cycloid gearboxes feature extremely low hysteresis loss and low backlash over extended periods of use.
Cycloid discs are usually designed with a reduced cycloid diameter to minimize unbalance forces at high speeds. Cycloid drives also feature minimal backlash, a high reduction ratio, and excellent positioning accuracy. Cycloid gearboxes also have a long service life, compared to other gear drives. Cycloid drives are highly robust, and offer higher reduction ratios than helical gear drives.
Cycloid gearboxes have a low cost and are easy to print. CZPT gearboxes are available in a wide range of sizes and can produce high torque on the output axis.helical gearbox

High reduction ratio

Among the types of gearboxes available, a high reduction ratio cycloidal gearbox is a popular choice in the automation field. This gearbox is used in applications requiring precise output and high efficiency.
Cycloid gears can provide high torque and transmit it well. They have low friction and a small backlash. They are widely used in robotic joints. However, they require special tools to manufacture. Some have even been 3D printed.
A cycloidal gearbox is typically a three-stage structure that includes an input hub, an output hub, and two cycloidal gears that rotate around each other. The input hub mounts movable pins and rollers, while the output hub mounts a stationary ring gear.
The input shaft is driven by an eccentric bearing. The disc is then pushed against the ring gear, which causes it to rotate around the bearing. As the disc rotates, the pins on the ring gear drive the pins on the output shaft.
The input shaft rotates a maximum of nine revolutions, while the output shaft rotates three revolutions. This means that the input shaft has to rotate over eleven million times before the output shaft is able to rotate. The output shaft also rotates in the opposite direction of the input shaft.
In a two-stage differential cycloidal speed reducer, the input shaft uses a crank shaft design. The crank shaft connects the first and second cycloidal gears and actuates them simultaneously.
The first stage is a cycloidal disc, which is a gear tooth profile. It has n=7 lobes on its circumference. Each lobe moves around a reference pitch circle of pins. The disc then advances in 360deg steps.
The second stage is a cycloidal disc, also known as a “grinder gear”. The teeth on the outer gear are fewer than the teeth on the inner gear. This allows the gear to be geardown based on the number of teeth.

Kinematics

Various scholars have studied the kinematics of cycloidal gearbox. They have developed various approaches to modify the tooth profile of cycloidal gears. Some of these approaches involve changing the shape of the cycloidal disc, and changing the grinding wheel center position.
This paper describes a new approach to cycloid gear profile modification. It is based on a mathematical model and incorporates several important parameters such as pressure angle, backlash, and root clearance. The study offers a new way for modification design of cycloid gears in precision reducers for robots.
The pressure angle of a tooth profile is an intersegment angle between the normal direction and the velocity direction at a meshing point. The pressure angle distribution is important for determining force transmission performance of gear teeth in meshing. The distribution trend can be obtained by calculating the equation (5).
The mathematical model for modification of the tooth profile can be obtained by establishing the relationship between the pressure angle distribution and the modification function. The dependent variable is the modification DL and the independent variable is the pressure angle a.
The position of the reference point A is a major consideration in the modification design. It ensures the force transmission performance of the meshing segment is optimal. It is determined by the smallest profile pressure angle. The position is also dependent on the type of gear that is being modified. It is also influenced by the tooth backlash.
The mathematical model governing the pressure angle distribution is developed with DL=f(a). It is a piecewise function that determines the pressure angle distribution of a tooth profile. It can also be expressed as DL=ph.
The pressure angle of a tooth is also an angle between the common normal direction at the meshing point and the rotation velocity direction of the cycloid gear.helical gearbox

Planetary gearboxes vs cycloidal gearboxes

Generally, there are two types of gearboxes that are used for motion control applications: cycloidal gearbox and planetary gearbox. Cycloid gearboxes are used for high-frequency motions, while planetary gearboxes are suitable for low-speed applications. Both are highly accurate and precise gearboxes that are capable of handling heavy loads at high cycle rates. But they have different advantages and disadvantages. So, engineers need to determine which type of gearbox is best suited for their application.
Cycloid gearboxes are commonly used in industrial automation. They provide excellent performance with ratios as low as 10:1. They offer a more compact design, higher torque density and greater overload protection. They also require less space and are less expensive than planetary gearboxes.
On the other hand, planetary gearboxes are lightweight and offer a higher torque density. They are also capable of handling higher ratios. They have a longer life span and are more precise and durable. They can be found in a variety of styles, including square-framed, round-framed and double-frame designs. They offer a wide range of torque and speed capabilities and are used for numerous applications.
Cycloid gearboxes can be manufactured with different types of cycloidal cams, including single or compound cycloidal cams. Cycloid cams are cylindrical elements that have cam followers that rotate in an eccentric fashion. The cam followers act like teeth on the internal gear. Cycloid cams are a simple concept, but they have numerous advantages. They have a low backlash over extended periods of time, allowing for more accurate positioning. They also have internal compressive stresses and an overlap factor between the rolling elements.
Planetary gearboxes are characterized by three basic force-transmitting elements: ring gear, sun gear, and planet gear. They are generally two-stage gearboxes. The sun gear is attached to the input shaft, which in turn is attached to the servomotor. The ring gear turns the sun gear and the planet gear turns the output shaft.
China supplier ZD Single-Step Circular-Gear Speed Changing and Speed-Reduction AC Torque Electric Gear Motor   precision cycloidal gearboxChina supplier ZD Single-Step Circular-Gear Speed Changing and Speed-Reduction AC Torque Electric Gear Motor   precision cycloidal gearbox
editor by CX 2023-10-21

China manufacturer Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine best automatic gearbox

Product Description

Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor gearbox reducer Cycloidal Gear box for Brick Making Machine

Quick Details:

Type: XB series Cycloidal Pin Wheel Speed Reducer    

Input Speed: 1000-1500rmp   

Output Speed: 0.3-280rpm

Certification: ISO9001 CE          

Ex Power:0.09-132KW                  

Warranty: 1Years

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness: Soft Tooth Surface
Installation: 90 Degree
Layout: Coaxial
Gear Shape: Conical – Cylindrical Gear
Step: Stepless
Samples:
US$ 9999/Piece
1 Piece(Min.Order)

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cycloidal gearbox

Efficiency of Cycloidal Gearboxes in Power Transmission

Cycloidal gearboxes offer relatively high power transmission efficiency compared to other types of gearboxes. The efficiency of a cycloidal gearbox depends on various factors, including the design, quality of components, lubrication, and load conditions.

Typically, the power transmission efficiency of a cycloidal gearbox ranges from 85% to 95%. However, this can vary based on several factors:

  • Number of Reduction Stages: Multi-stage cycloidal gearboxes may experience slightly lower efficiency due to multiple gear meshing interactions.
  • Quality and Design: Well-designed and precision-manufactured cycloidal gearboxes tend to exhibit higher efficiency.
  • Lubrication: Proper lubrication is crucial for reducing friction and enhancing efficiency. Insufficient or deteriorated lubrication can lead to efficiency losses.
  • Load Conditions: Higher loads and torque levels can lead to higher friction and lower efficiency. Properly matching the gearbox to the application is essential.

Despite minor efficiency losses compared to some other gearbox types, the benefits of compactness, high torque density, and precise motion control often outweigh the efficiency considerations in many applications.

cycloidal gearbox

Patents Associated with Cycloidal Gearbox Designs

Throughout the history of cycloidal gearbox development, several patents have been filed for various designs and applications. Some notable patents include:

  • Harmonic Drive: Ralph B. Heath’s patent for the “Harmonic Drive” (US Patent 2,906,143), filed in 1957, is one of the most famous patents related to cycloidal gear systems. This patent introduced the concept of a high-precision reduction gear mechanism using flexible components.
  • Cycloidal Drive Mechanism: A patent by James Watt for a “Cycloidal Drive Mechanism” (GB Patent 1812), dating back to the 18th century, is often cited as one of the early references to cycloidal motion and gears.
  • Planetary Roller Transmission: US Patent 3,671,927 by C.F. Kafesjian and H. Blumenstock introduced a “Planetary Roller Transmission” in 1972, describing a cycloidal drive mechanism with planetary motion.
  • Cycloidal Speed Reducer: A patent for a “Cycloidal Speed Reducer” (US Patent 5,588,583) was granted to Richard J. Pieprzak in 1996, focusing on an improved design of cycloidal gears for various applications.

These patents represent a small sample of the numerous innovations and designs related to cycloidal gear systems that have been patented over the years. Patents play a significant role in protecting and promoting innovation in the field of gearbox technology.

cycloidal gearbox

Common Applications of Cycloidal Gearboxes

Cycloidal gearboxes find their application in various industries and scenarios where their unique features are advantageous:

  • Robotics: Cycloidal gearboxes are often used in robotic joints and manipulators due to their compact size, high torque capacity, and precision movement.
  • Conveyor Systems: Their ability to handle heavy loads and provide accurate motion makes cycloidal gearboxes suitable for conveyor systems in industries such as manufacturing, food processing, and material handling.
  • Aerospace: In aerospace applications, cycloidal gearboxes are used in satellite mechanisms, aerospace actuators, and precision motion control systems.
  • Medical Devices: The compact design and precise motion capabilities of cycloidal gearboxes are beneficial in medical equipment such as surgical robots and diagnostic devices.
  • Textile Industry: Cycloidal gearboxes are utilized in textile machines for their ability to provide accurate and synchronized movement in the weaving and knitting processes.
  • Automotive: Some automotive applications, such as sunroof mechanisms and power seats, can benefit from the compact size and high torque capacity of cycloidal gearboxes.
  • Printing Industry: The precision and reliability of cycloidal gearboxes are important in printing presses to ensure accurate paper feeding and positioning.
  • Packaging Machinery: In packaging equipment, cycloidal gearboxes can provide the required torque and accuracy for tasks like sealing, labeling, and filling.

These are just a few examples of where cycloidal gearboxes are commonly used, demonstrating their versatility and adaptability across various industries.

China manufacturer Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine   best automatic gearbox	China manufacturer Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine   best automatic gearbox
editor by CX 2023-09-21