Tag Archives: gear reducer 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

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)

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Customization:
Available

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Customized Request

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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 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

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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

|

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 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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Request Sample

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

China Standard Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine synchromesh 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)

|
Request Sample

cycloidal gearbox

Calculation of Reduction Ratio in a Cycloidal Gearbox

The reduction ratio in a cycloidal gearbox can be calculated using the following formula:

Reduction Ratio = (Number of Input Pins + Number of Output Pins) / Number of Output Pins

In a cycloidal gearbox, the input pins engage with the lobes of the cam disc, while the output pins are engaged with the cycloidal pins of the output rotor. The reduction ratio determines the relationship between the number of input and output pins engaged at any given time.

For example, if a cycloidal gearbox has 7 input pins and 14 output pins engaged, the reduction ratio would be:

Reduction Ratio = (7 + 14) / 14 = 1.5

This means that for every 1 revolution of the input pins, the output rotor will complete 1.5 revolutions. The reduction ratio is a key parameter that influences the output speed and torque of the cycloidal gearbox.

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

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 Standard Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine   synchromesh gearbox	China Standard Bwd5 Bl6 Bld6 XL9 Xld9 Xwd6 Vertical Installation Electric Motor Gearbox Reducer Cycloidal Gear Box for Brick Making Machine   synchromesh gearbox
editor by CX 2023-09-18

China high quality High Torque P Series Helical Bevel Cycloidal Gear Planetary Speed Reducer Gearbox for Milling gearbox engine

Product Description

 

Product Name

Best price o f P series planetary gearbox for concrete mixer

Series

gear reducer

Application

Power Tranmission

Bearing

China Top brand HRB,LYC,ZWZ or other brands requested, NSK

Used

industry machinery

 
Specifications
The main transmission structure of the planetary gear reducer is: the planet wheel, the sun wheel, the inner ring gear.
Planetary reducer because of structural reasons, the CHINAMFG reduction of the minimum of 3, the maximum general not more than 10, the common reduction ratio is: 3/4/5/6/8/10, the speed reducer series is generally not more than 3, but there is a part of the reduction ratio of customized reducer has 4 reduction. Relative to other reducer, planetary reducer with high rigidity, high accuracy (single level can be done within 1 minutes), Gao Chuandong efficiency (single level in 97%-98%), high torque / volume ratio, life maintenance and other characteristics. Because of these characteristics, the majority of planetary reducer is installed in the stepper motor and servo motor, used to reduce the speed, improve the torque, matching inertia. Planetary speed reducer of the highest rated input speed can reach 18000rpm (with the size of the reducer itself, the greater the speed reducer,the smaller the nominal input speed), the operating temperature is generally around -25 to 100 C, by changing the grease can change its operating temperature.
Precision planetary reducer for collocation servo motor so back gap grade (ARC) is very important. Different backlash grade price difference is quite large, planetary reducer can do more gear box link maximum deceleration ratio of 1 00000.

Operating parameters
Gear reducer gear transmission speed is not more than 10 m / s.
Input shaft rotation speed is not higher than 1500 rpm / min.
Working environment temperature of the reducer -+45 -40.
The speed reducer can be used for positive and reverse 2 to run.

Product Description

Company Profile

Certifications

Packaging & Shipping

FAQ

Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Planetary
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 100000/Piece
1 Piece(Min.Order)

|
Request Sample

cycloidal gearbox

Materials Used in Manufacturing Cycloidal Gearboxes

Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:

  • Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
  • Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
  • Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
  • Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
  • Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.

The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.

cycloidal gearbox

Safety Measures for Operating Cycloidal Gear Systems

Operating cycloidal gear systems requires careful attention to safety to prevent accidents and ensure the well-being of operators and personnel. Here are important safety measures to consider:

  • Training: Provide proper training to operators and maintenance personnel on the operation, maintenance, and potential hazards associated with cycloidal gear systems.
  • Protective Equipment: Operators should wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and protective clothing.
  • Lockout-Tagout: Implement lockout-tagout procedures to ensure that the system is de-energized and isolated before any maintenance or repair work begins.
  • Regular Inspections: Conduct routine inspections of the gear system to identify any signs of wear, damage, or abnormalities that could compromise safety or performance.
  • Lubrication: Follow the manufacturer’s recommendations for lubrication to maintain optimal performance and prevent overheating.
  • Temperature Monitoring: Install temperature sensors or monitoring devices to detect any excessive heat buildup in the gearbox, which could indicate a potential issue.
  • Proper Ventilation: Ensure that the area where the gear system operates is well-ventilated to prevent the accumulation of heat or harmful fumes.
  • Emergency Stop: Install emergency stop buttons or switches that can immediately shut down the system in case of an emergency.
  • Clearance Zones: Establish clear clearance zones around the gear system to prevent accidental contact with moving parts.
  • Regular Maintenance: Follow a scheduled maintenance routine to keep the gear system in optimal working condition and address any potential safety concerns.
  • Operator Awareness: Ensure that operators are aware of the gear system’s potential hazards and safe operating practices.
  • Warning Signage: Clearly mark areas where the gear system operates with appropriate warning signs and labels.
  • Emergency Procedures: Develop and communicate clear emergency procedures to respond to accidents, malfunctions, or other unexpected events.

Prioritizing safety in the operation and maintenance of cycloidal gear systems is essential to prevent injuries and maintain a safe working environment.

cycloidal gearbox

What is a Cycloidal Gearbox?

A cycloidal gearbox, also known as a cycloidal drive, is a type of gearing mechanism that utilizes the principle of cycloidal motion for power transmission. It consists of several components, including a high-speed input shaft, a set of cycloidal pins or rollers, and an outer stationary ring with lobed profiles.

The operation of a cycloidal gearbox involves a unique mechanism:

  1. Input Shaft: The high-speed input shaft is connected to the driving source, such as an electric motor. It transfers rotational motion to the cycloidal pins.
  2. Cycloidal Pins or Rollers: These pins or rollers are typically arranged around the input shaft in a circular pattern. As the input shaft rotates, the cycloidal pins also rotate, causing them to engage with the lobes on the outer stationary ring.
  3. Outer Stationary Ring: The outer ring has lobed profiles, and it remains stationary during operation. The lobes of the outer ring interact with the cycloidal pins or rollers, causing them to move in a unique motion known as epicycloidal or hypocycloidal motion.

The interaction between the cycloidal pins and the lobed profiles of the outer ring results in smooth and controlled motion transmission. The mechanism provides advantages such as high torque capacity, compact size, and precise positioning capabilities.

Cycloidal gearboxes are widely used in various applications, including robotics, automation, packaging machinery, and other industrial systems where high torque, precision, and compact design are essential.

China high quality High Torque P Series Helical Bevel Cycloidal Gear Planetary Speed Reducer Gearbox for Milling   gearbox engineChina high quality High Torque P Series Helical Bevel Cycloidal Gear Planetary Speed Reducer Gearbox for Milling   gearbox engine
editor by CX 2023-09-15

China supplier 6 Axis Robot Controller Cycloidal Pin Wheel RV Gear Reducer Robot Arm Robot Joints Gearbox RV-E with Great quality

Product Description

Details Photos:

1.It is equipped with an angular contact ball bearing, so it can support the external load with the rigid moment and large allowable moment
2.Easy assemble, small vibration
3.It can reduce the motor straight junction (input gear) and inertia
4.Large torsional rigidity
5.Strong impact resistance (500% of rated torque)
6.The crankshaft is supported by 2 columns in the reducer
7.Excellent starting efficiency & Small wear and long service life
8.Small backlash (1arc. Min.) & Use rolling bearing
9.Strong impact resistance (500% of rated torque)
10.The number of simultaneous engagements between RV gear and needle teeth is large

Advantages:
1. High precision, high torque
2. Dedicated technical personnel can be on the go to provide design solutions
3. Factory direct sales fine workmanship durable quality assurance
4. Product quality issues have a one-year warranty time, can be returned for replacement or repair

Company profile:

HangZhou CZPT Technology Co., Ltd. was established in 2014. Based on long-term accumulated experience in mechanical design and manufacturing, various types of harmonic reducers have been developed according to the different needs of customers. The company is in a stage of rapid development. , Equipment and personnel are constantly expanding. Now we have a group of experienced technical and managerial personnel, with advanced equipment, complete testing methods, and product manufacturing and design capabilities. Product design and production can be carried out according to customer needs, and a variety of high-precision transmission components such as harmonic reducers and RV reducers have been formed; the products have been sold in domestic and global(Such as USA, Germany, Turkey, India) and have been used in industrial robots, machine tools, medical equipment, laser processing, cutting, and dispensing, Brush making, LED equipment manufacturing, precision electronic equipment, and other industries have established a good reputation.
In the future, Hongwing will adhere to the purpose of gathering talents, keeping close to the market, and technological innovation, carry CZPT the value pursuit in the field of harmonic drive&RV reducers, seek the common development of the company and the society, and quietly build itself into a CZPT brand with independent intellectual property rights. Quality supplier in the field of precision transmission”.

Strength factory:

Our plant has an entire campus The number of workshops is around 300 Whether it’s from the production of raw materials and the procurement of raw materials to the inspection of finished products, we’re doing it ourselves. There is a complete production system

Parameter:

Rated Table
Output rotational speed (rpm) 5 10 15 20 25 30 40 50 60
Model Speed ratio code Transmission Ratio(R) Output Torque  (Nm)
/
Enter the capacity (kW
Rotation of axes Housing rotation
RV-6E 31 31 30 101
/ 0.07
81
/ 0.11
72
/ 0.15
66
/ 0.19
62
/ 0.22
58
/ 0.25
54
/ 0.30
50
/ 0.35
47
/ 0.40
43 43 42
53.5 53.5 52.5
59 59 58
79 79 78
103 103 102
RV-20E 57 57 56 231
/ 0.16
188
/ 0.26
167
/ 0.35
153
/ 0.43
143
/ 0.50
135
/ 0.57
124
/ 0.70
115
/ 0.81
110
/ 0.92
81 81 80
105 105 104
121 121 120
141 141 140
161 161 160
RV-40E 57 57 56 572
/ 0.40
465
/ 0.65
412
/ 0.86
377
/ 1.05
353
/ 1.23
334
/ 1.40
307
/ 1.71
287
/ 2.00
271
/ 2.27
81 81 80
105 105 104
121 121 120
153 153 152
RV-80E 57 57 56 1,088
/ 0.76
885
/ 1.24
784
/ 1.64
719
/ 2.01
672
/ 2.35
637
/ 2.67
584
/ 3.26
546
/ 3.81
517
/ 4.33
81 81 80
101 101 100
121 121 120
153 1(153) 1(152)
RV-110E 81 81 80 1,499
/ 1.05
1,215
/ 1.70
1,078
/ 2.26
990
/ 2.76
925
/ 3.23
875
/ 3.67
804
/ 4.49
   
111 111 110
161 161 160
175 1227/7 1220/7
RV-160E 81 81 80 2,176
/ 1.52
1,774
/ 2.48
1,568
/ 3.28
1,441
/ 4.02
1,343
/ 4.69
1,274
/ 5.34
     
101 101 100
129 129 128
145 145 144
171 171 170
RV-320E 81 81 80 4,361
/ 3.04
3,538
/ 4.94
3,136
/ 6.57
2,881
/ 8.05
2,695
/ 9.41
2,548
/ 10.7
     
101 101 100
118.5 118.5 117.5
129 129 128
141 141 140
171 171 170
185 185 184
RV-450E 81 81 80 6,135
/ 4.28
4,978
/ 6.95
4,410
/ 9.24
4,047
/ 11.3
3,783
/ 13.2
       
101 101 100
118.5 118.5 117.5
129 129 128
154.8 2013/13 2000/13
171 171 170
192 1347/7 1340/7
Note: 1. The allowable output speed is affected by duty cycle, load, and ambient temperature. When the allowable output speed is above NS1, please consult our company about the precautions.
2. Calculate the input capacity (kW) by the following formula.
Input capacity (kW) =(2π*N*T)/(60*η/100*10*10*10)   N: output speed (RPM)
T: output torque (nm)
η =  75: reducer efficiency (%)
 The input capacity is the reference value.
3. When using the reducer at a low temperature, the no-load running torque will increase, so please pay attention when selecting the motor.
(refer to p.93 low-temperature characteristics)

T0
Rated torque(Remark .7)
N0
Rated output speed
K
Rated life
TS1
Allowable starting and stopping torque
TS2
Instantaneous maximum allowable torque
NS0
Allowable maximum output speed
(Remark .1)
Backlash Empty distance MAX. Angle transmission error MAX. A representative value of starting efficiency MO1
Allowable moment
(Remark .4)
MO2
Instantaneous maximum allowable moment
Wr
Allowable radial load
(Remark .10)
               I
Converted value of inertia moment input shaft
(Remark .5)
Weight
(Nm) (rpm) (h) (Nm) (Nm) (r/min) (arc.sec.) (arc.min.) (arc.sec.) (%) (Nm) (Nm) (N) (kgm2) (kg)
58 30 6,000 117 294 100 1.5 1.5 80 70 196 392 2,140 2.63×10-6 2.5
2.00×10-6
1.53×10-6
1.39×10-6
1.09×10-6
0.74×10-6
167 15 6,000 412 833 75 1.0 1.0 70 75 882 1,764 7,785 9.66×10-6 4.7
6.07×10-6
4.32×10-6
3.56×10-6
2.88×10-6
2.39×10-6
412 15 6,000 1,571 2,058 70 1.0 1.0 60 85 1,666 3,332 11,594 3.25×10-5 9.3
2.20×10-5
1.63×10-5
1.37×10-5
1.01×10-5
784 15 6,000 1,960 Bolt tightening 3920 70 1.0 1.0 50 85 Bolt fastening 2156 Bolt tightening Bolt tightening 12988 8.16×10-5 Bolt tightening 13.1
6.00×10-5
4.82×10-5
Pin combination 3185 Pin combination 1735 Pin combination 2156 Pin combination 1571 Pin combination 12.7
3.96×10-5
2.98×10-5
1,078 15 6,000 2,695 5,390 50 1.0 1.0 50 85 2,940 5,880 16,648 9.88×10-5 17.4
6.96×10-5
4.36×10-5
3.89×10-5
1,568 15 6,000 3,920 Bolt tightening 7840 45 1.0 1.0 50 85 3,920 Bolt tightening 7840 18,587 1.77×10-4 26.4
1.40×10-4
1.06×10-4
Pin and use 6615 Pin and use 6762
0.87×10-4
0.74×10-4
3,136 15 6,000 7,840 Bolt tightening 15680 35 1.0 1.0 50 80 Bolt tightening 7056 Bolt tightening 14112 Bolt tightening 28067 4.83×10-4 44.3
3.79×10-4
3.15×10-4
2.84×10-4
Pin combination 12250 Pin combination 6174 Pin and use 1571 Pin combination 24558
2.54×10-4
1.97×10-4
1.77×10-4
4,410 15 6,000 11,571 Bolt tightening 22050 25 1.0 1.0 50 85 8,820 Bolt tightening 17640 30,133 8.75×10-4 66.4
6.91×10-4
5.75×10-4
5.20×10-4
Pin and use 18620 Pin and use 13524
4.12×10-4
3.61×10-4
3.07×10-4
4. The allowable torque will vary according to the thrust load. Please confirm by the allowable moment line diagram (p.91).
5. The value of inertia moment is the value of the reducer body. The moment of inertia of the input gear is not included.
6. For moment stiffness and torsion stiffness, please refer to the calculation of inclination angle and torsion angle (p.99).
7. Rated torque refers to the torque value reflecting the rated life at rated output speed, not the data showing the upper limit of load. Please refer to the glossary (p.81) and product selection flow chart (p.82).
8. If you want to buy products other than the above speed ratio, please consult our company.
9. The above specifications are obtained according to the company’s evaluation method. Please confirm that the product meets the use conditions of carrying real aircraft before use.
10. When a radial load is applied to dimension B, please use it within the allowable radial load range.
11. 1 RV-80e r = 153 is only output shaft bolt fastening type( P.20,21)

Exhibition:

APPLICATIONS:

FQA:
Q: What should I provide when I choose a gearbox/speed reducer?
A: The best way is to provide the motor drawing with parameters. Our engineer will check and recommend the most suitable gearbox model for your reference.
Or you can also provide the below specification as well:
1) Type, model, and torque.
2) Ratio or output speed
3) Working condition and connection method
4) Quality and installed machine name
5) Input mode and input speed
6) Motor brand model or flange and motor shaft size
 

Application: Motor, Motorcycle, Machinery, Agricultural Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Layout: Coaxial
Gear Shape: Cylindrical Gear
Step: Single-Step
Samples:
US$ 600/Piece
1 Piece(Min.Order)

|
Request Sample

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

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 supplier 6 Axis Robot Controller Cycloidal Pin Wheel RV Gear Reducer Robot Arm Robot Joints Gearbox RV-E   with Great quality China supplier 6 Axis Robot Controller Cycloidal Pin Wheel RV Gear Reducer Robot Arm Robot Joints Gearbox RV-E   with Great quality
editor by CX 2023-09-07

China high quality Bwd4 Cycloidal Pinwheel Gear Speed Reducer Gearbox for Concrete Mixer with high quality

Product Description

PROFESSIONAL MANUFACTURE
— SINCE 1995

BWD4 cycloidal pinwheel gear speed reducer gearbox for concrete mixer

Chinese electric motor speed reducer is widely used in mining machinery, chemical industry,steel metallurgy, light

industry,environmental protection, paper making, printing, lifting transport, food industry and so on.

Main Series Product: R series helical gear motor reducer, K series spiral bevel gear reducer, NGW, P series planetary gear reducer, H B series helical gearbox, Z (ZDY, ZLY, ZSY, and ZFY) serial hard tooth surface cylindrical gearbox reducer, D (DBY and DCY) serial hard tooth surface cone gear reducer, cycloidal speed reducer, etc. Meanwhile, map sample processing business can be undertaken.

Product Description

 

1. Big Volecity- Reducing Ratio:Ratio of single-stage speed-reducing is 1/11-1/87; Ratio of double stage speed-reducing is 1/112-1/5133;Ratio of three-stage speed-reducing is 1/2057-1/446571;more-stages can be combined according to the requirement.
2. High driving efficiency:Due to adopting rolling engagement in falling-in part, the driving efficiency can reach above 90%.
3. Small in size, light weight: with compacted structure,small size and light weight. Due to adopting the principle of planet driving so that the input and output shaft in the same axis which will integrated with the motor.
4. Long service life: Has good resistance to abrasion because the main driving engaging parts are made of bearing steel and applying rolling friction.
5. Stable running: for most driving procedure, we adopt multi-teeth falling-in. Then the running will be stable with low noise.
6. Convenient dismounting:reasonable structure and design.
7. Strong overloading ability,anti-compact,suitable for
frequently start and double-side rotation.

Product Parameters

 

 

MODEL

X Series

B Series

JXJ Series

SIZE

XWD XWED XLD XLED

BWD BWED BLD BLED BWY BWEY BLEY

JXJL JXJW JXJLED JXJWED

RATIO

Single Stage: 87 

Double Stage:

SPEED RPM

Single Stage: 136/91 88/59 60/40 52/35 43/29 38/23 25/17 21/14 17/12 

Double Stage: 12.4 8 5.2 4.7 3.2 2.5 2 1.8 1.5 1.2 1 0.8 0.7 0.6 0.4 0.3

MOTOR POWER

0.55kw 0.75kw 1.5kw 2.2kw 3kw 4kw 5.5kw 7.5kw 11kw 15kw 18.5kw 22kw 30kw 37kw 45kw 55kw

Model selection for washing machine Gear Box Transmission:
Closely using the ideal reduction ratio.
Reduction ratio = servo motor speed / reducer output shaft speed
Torque calculation: Torque calculation is very important for the life of reducer, and pay attention to whether the maximum torque value (TP) of acceleration exceeds the maximum load torque of the reducer.
The applicable power is usually the applicable power of the servo models on the market, the applicability of the reducer is very high, the working coefficient can be maintained above 1.2, but the choice can also be based on their own needs to decide. industrial helical gearbox. H PV series High quality Right Angle Unique speed reducer HB helical gearbox / gear box.

Detailed Photos

Chinese Gearbox Speed Reducer is a mechanical transmission in many fields of the national economy. The product categories covered by the industry include all kinds of gear reducer, planetary gear reducer and worm reducer, as well as various special transmission devices such as speed increasing device, speed control Devices, including various types of flexible transmission devices, such as compound transmission. Products and services in the field of metallurgy(metal mills like plate flip machines, ingot pushers, winding machines,cooling bed transfer frames, roller straighteners, roller tables, shears continuous, casting drivers, slabbing mills, wire mills, sheet mills, plate mills), nonferrous metals, coal, building materials, ships, water conservancy(screw pumps, water turbines, centrifugal pumps, raking equipment, aerators, filter presses), electricity, construction machinery, chemical industry (extruders, dough mill, rubber calender, cooling drums, mixers, agitators, toasters, centrifuges), Cranes(slewing gears, luffing gears, travelling gears, hoisting gears), Cane sugar mills, paper machines,cooling towers,dredgers(dumping devices, travelling gears, bucket wheel excavators, cutter heads, traversing gears), conveyors(bucket conveyors, hauling winches, hoist, belt conveyors, goods lifts, apron conveyors, rail travelling gears, escalators), Plate bending machines, cement industry (concrete mixers, breakers, rotary kilns, tube mills, separators, roll crushers) and petrochemical industries.
In all fields of national economy and national defense industry, gearbox reducer products have a wide range of applications. Food light industry, electric machinery, construction machinery, metallurgy machinery, cement machinery, environmental protection machinery, electronic appliances, road construction machinery, water conservancy machinery, chemical machinery, mining machinery, conveyor machinery, building materials machinery, rubber machinery, petroleum machinery and other industries have strong demand of Reducer products.

 

Packaging & Shipping

 

Application

 

Driven machines
Waste water treatment Thickeners,filter presses,flocculation apparata,aerators,raking equipment,combined longitudinal and rotary rakes,pre-thickeners,screw pumps,water turbines,centrifugal pumps Dredgers Bucket conveyors, dumping devices, carterpillar travelling gears, bucket wheel excavators as pick up, bucket wheel excavator for primitive material, cutter head, traversing gears
Chemical industry Plate bending machines, extruders, dough mills, rubbers calenders, cooling drums, mixers for uniform media, agitators for media with uniform density, toasters, centrifuges Metal working mills plate tilters, ingot pushers, winding machines, cooling bed transfer frames, roller straigheners, table continuous intermittent, roller tables reversing tube mills, shears continuous, casting drivers, reversing CZPT mills
Metal working mills Reversing slabbing mills. reversing wire mills, reversing sheet mills, reversing plate mill, roll adjustment drives Conveyors Bucket conveyors, hauling winches, hoists, belt conveyors, good lifts, passenger lifts, apron conveyors, escalators, rail travlling gears
Frequency converters Reciprocating compressors
Cranes Slewing gears, luffing gears, travelling gears, hoisting gear, derricking jib cranes Cooling towers Cooling tower fans, blowers axial and radial
Cane sugar production Cane knives, cane mills Beet sugar production Beet cossettes macerators, extraction plants, mechanical refrigerators, juice boilers, sugar beet washing machines, sugar beet cutter
Paper machines Pulper drives Cableways Material ropeways, continuous ropeway
Cement industry Concrete mixer, breaker, rotary kilns, tube mills, separators, roll crushers    

Company Profile

 

Established in 1995 , HangZhou Boji Machinery is a professional manufacturer and exporter that is concerned with the design, development and production of Gearbox Speed Reducer. We are located in HangZhou of ZheJiang Province, with convenient transportation access. With our own brand “TianQi”, all of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.
Our company possesses complete machining center, lathe, gear shaping machine, gear milling machine, gear grinding machine and assembling lines. Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.
Besides, In 2005,we attained ISO9001 certification. As a result of our high quality products and outstanding customer service, we have gained a global sales network CZPT South America, Saudi Arabia, Vietnam, Pakistan, Philippines, South Africa and other countries and regions.
With rich export experience, high quality products, competitive prices, good service and in-time delivery, we certain that we can meet all of your requirement and exceed your expectations. Our feature is bright with new cooperative relationships with companies from all over the world. We look CZPT to speaking with you to future discuss how we can be of service to you.

FAQ

1. Who are we?
We are the Factory, with over 25 years of production experience, based in ZheJiang , China, start from 1995,sell to Domestic Market(50.00%),Mid East(10.00%),Southeast Asia(10.00%),Western Europe(5.00%),South America(5.00%),Eastern Europe(5.00%),Eastern Asia(5.00%),North America(3.00%),Africa(2.00%),Southern Europe(2.00%),South Asia(2.00%),Central America(1.00%).

2. Can you customize according to our requirements?
Yes, we can design nonstandard products according to customer’s drawing and sample.

3.What can you buy from us?
speed reducer,gearbox,gear motor,pump,crusher

4. Why should you buy from us not from other suppliers?
Founded in 1995, with over 20 years of production experience and credibility. With professional engineer team, advanced technology production and skilled workers.Specialized in the production of reducer. Map sample processing business can be undertaken.

5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery;
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,Arabic,French,Russian,Korean,Hindi,Italian

 

cycloidal gearbox

Materials Used in Manufacturing Cycloidal Gearboxes

Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:

  • Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
  • Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
  • Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
  • Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
  • Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.

The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.

Shipping Cost:

Estimated freight per unit.



To be negotiated
Application: Motor, Machinery
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Samples:
US$ 500/Piece
1 Piece(Min.Order)

|

Order Sample

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.

BWD4 cycloidal pinwheel gear speed reducer gearbox
Customization:
Available

|

Customized Request

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 high quality Bwd4 Cycloidal Pinwheel Gear Speed Reducer Gearbox for Concrete Mixer   with high quality China high quality Bwd4 Cycloidal Pinwheel Gear Speed Reducer Gearbox for Concrete Mixer   with high quality
editor by CX 2023-09-01

China high quality Aluminum Gearbox Cast Iron Housing Transmission Drive Motor Shaft Nmrv Smr Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Gear Reducer synchromesh 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 CZPT 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.

Shipping Cost:

Estimated freight per unit.



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

|

Order Sample

Customization:
cycloidal gearbox

Materials Used in Manufacturing Cycloidal Gearboxes

Cycloidal gearboxes are constructed using a variety of materials to ensure durability, strength, and efficient operation. Some common materials used include:

  • Steel: Steel is a popular choice due to its high strength and durability. It can withstand heavy loads and provides excellent wear resistance, making it suitable for industrial applications.
  • Aluminum: Aluminum is chosen for its lightweight properties and corrosion resistance. It’s often used in applications where weight is a concern, such as aerospace and robotics.
  • Cast Iron: Cast iron offers good heat dissipation and is known for its high resistance to wear and shock. It’s commonly used in heavy-duty applications that require high torque and strength.
  • Alloys: Various alloy combinations can be used to enhance specific properties such as corrosion resistance, heat resistance, and strength.
  • Plastics and Composites: In some cases, plastic or composite materials may be used, particularly in applications where low noise, lightweight construction, and corrosion resistance are essential.

The material selection depends on factors like the application’s torque, speed, environmental conditions, and desired performance characteristics. Each material offers a unique set of advantages, allowing cycloidal gearboxes to be customized to meet diverse industrial needs.

Available

|

Customized Request

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-carryicycloidal 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.

ng 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 high quality Aluminum Gearbox Cast Iron Housing Transmission Drive Motor Shaft Nmrv Smr Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Gear Reducer   synchromesh gearbox	China high quality Aluminum Gearbox Cast Iron Housing Transmission Drive Motor Shaft Nmrv Smr Series Reduction Helical Cycloidal Cyclo Planetary Worm Gearboxes Speed Gear Reducer   synchromesh gearbox
editor by CX 2023-08-30

China supplier Spiral Bevel Helical Speed Gear Reducer Reduction Agriculture Nmrv Worm Winch Track Slewing Drive Agricultural Cycloidal Servo High Precision Planetary Gearbox manufacturer

Product Description

Spiral Bevel Helical Speed Gear Reducer Reduction Agriculture Nmrv Worm Winch Track Slewing Drive Agricultural Cycloidal Servo High Precision Planetary Gearbox

 

Company Profile

We are a professional company engaged in the R&D, design, and manufacturing of gearboxes. The company has introduced a number of sophisticated production and testing equipment. We have successfully developed 800Nm-11200Nm planetary gearboxes for construction machinery, special planetary gearboxes for mixers, special planetary gearboxes for buildings, special reducers for mines, wind power reducers, hydraulic rotary, winch series, gearboxes for rolling mills, and other series of gearboxes with hundreds of thousands of specifications. The products have been widely used in building materials, metallurgy, engineering machinery, hoisting, shipping, chemical, pharmaceutical, electric power, and other supporting units and engineering projects.
Since its establishment, the company has been accelerating the pace of scientific and technological innovation and independent brand construction to build its core competitiveness with new thinking and new manufacturing awareness.

Our Equipments

Certification

Packaging and Shipment 

Product Description

Agricultural gearbox:
Flail mower gearbox, rotary tiller gearbox, lawn mower gearbox, rotary cutter gearbox, agricultural sprayer gearbox, post hole digger gearbox, feed mixer gearbox, rotary mower gearbox, gearbox for circular saws, irrigation reels gearbox, agricultural generator gearbox, fertilizer spreader gearbox, hydraulic drive gearbox, manure spreader gearbox, rotary rakes gearbox, hay tedders gearbox, micro tiller gearbox, cutter bars gearbox, fertilizer mixer gearbox, agitators gearbox for sewage, round baler gearbox, snowblower gearbox

Planetary gearbox:

–Gear speed reducer for tracked vehicle
–Gear speed reducer for winch
–Planetary gear reducer for wheeled vehicle
–Planetary slewing drive
–Planetary gear reducer for wind turbines
–Inline planetary gear reducer
–Right angle gear drive
–Planetary gearbox feed mixer drive

Industrial gearbox
Worm gearbox: RV series, WP series, SWL series screw jack, VF series 

Helical gearbox: R/F/K/S series, HB series, BKM series, RC series, SMR shaft mounted gearbox, TA shaft mounted gearbox

Cycloidal gearboxes: BL/XL flange vertical installed double shaft type, BW/XW baseboard horizontal installed double shaft type, BLD/XLD flange vertical installed motor direct-connection type, BWD/XWD baseboard horizontal installed motor direct-connection type
High precision planetary gearbox

 

 

Application

 

Agriculture & Forestry Industry & Mining Food Processing
  • Sprayer
  • Wheel Harvester
  • Crawler Harvester
  • Feed Mixer
  • Forestry Machinery

 

  • Earthwork
  • Construction
  • Concrete
  • Road Construction
  • Crushing, Grinding, & Raw Material Processing
  • Mud Treatment
  • Grain, processing & milling
  • Baking processing
  • Fruit, vegetable & beverage processing

 

Transport Maritime Affairs Wind Energy
  • Road vehicles
  • Warehouse and raw material handling
  • Off-highway vehicles
  • Access and aerial platform
  • Warehouse and raw material handling
  • Automatic storage
  • Airport equipment
  • Logistics and industrial cranes
  • Mobile crane
  • Dredging vessel
  • Offshore construction vessel
  • Work vessels and tugs
  • Offshore platform
  • Merchant ship
  • Pipe laying machine and cable laying machine

 

 

 

  • Wind turbine
  • yaw
  • pitch

 

 

The installation and dimensions of the planetary gearbox are designed in strict accordance with the requirements of Italian and American manufacturers so that they can be interchanged with the following series of planetary gearboxes. Performance and connection dimensions. They are ideal substitutes for these brands.

trasmital bonfiglioli, revini riduttori, rexroth, CZPT riduttori, rossi, zollern 

 

 

Related Products–Transmission parts

Drive shafts

 

 

For more reducers and mechanical accessories, please click here to view

 

 

 

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 ccycloidal 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.

    an 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.

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function: Distribution Power, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Stepless

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 supplier Spiral Bevel Helical Speed Gear Reducer Reduction Agriculture Nmrv Worm Winch Track Slewing Drive Agricultural Cycloidal Servo High Precision Planetary Gearbox   manufacturer China supplier Spiral Bevel Helical Speed Gear Reducer Reduction Agriculture Nmrv Worm Winch Track Slewing Drive Agricultural Cycloidal Servo High Precision Planetary Gearbox   manufacturer
editor by CX 2023-08-23