China supplier Hollow Rotating Platform Precision Arbitrary Angle High-Precision Planetary Gear Reducer hypoid bevel gear

Product Description

Hollow rotating platform precision arbitrary angle high-precision planetary gear reducer

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HangZhou CHINAMFG Transmission Equipnenit Co,Ltd
is based on the global industrial automation field. it is
saies of planetary reducers, hollow rotary platforrres, 
a manufacturer specializing in R&D, production and
  and special reducers. It belongs to “National High-tech 
Enterprise”. The headquarters and production center are located in HangZhou City,ZheJiang Province, which is known as the “world factory”, and there are service centers and transit warehouses in ZheJiang . ZheJiang ,HangZhou and other places.
The company’s core team members have more than 10 years of experience in the transmission industry and gear processing industry, and are good at solving a variety of internal and external gears and processing solutions. The company has summed up a complete set of “transmission quality management system” to ensure the relative accuracy of each component after combination,and provide high pass rate and high efficiency guarantee for the whole machine to leave the factory. We use advanced computer software for design and demonstration,combined with years of experience in mechanical transmission and motion
control, to provide global motion and control solutions. Our products have the characteristics of high precision, large bearing torque, long life, low noise, stable operation, strong versatility and maintenance-free Quality is the foundation of enterprise survival. We provide the market with stable and high-quality products and provide more optimized automation
solutions. Always take “user demand” as the business purpose of the enterprise, take “scientific and
technological innovation” as the foundation of the company’s development, and implement the Iso
quality management system operation into all aspects of the company.
Our products are widely used in aerospace,CNC machine tools, cutting and welding equipment,textile printing and dyeing machinery packaging machinery, food machinerymedical machineryships,radardata communication systems,robots,robotic arms, composite materials equipmentprecision testing
Instruments, testing machines,plastic machinery, glass machinery,coal mining machinery,lifting machinery, metallurgical machinery,construction machinery and other fields.
The process of our pursuit of success is the process of continuous sublimation of our relationship with you. The success of the company is inseparable from the long-term support and help of many customers and friends. Facing the future, we will serve you more. HangZhou CHINAMFG Transmission Equipment Co.,Ltd. will go hand in hand with you to create brilliant!

Hollow rotary platform RPA200:
The rotary platform reducer uses parallel shaft helical teeth and cross roller bearings to carry the load, so as to realize hollow threading, deceleration and increase the moment of inertia. This type of reducer can be directly used as a slewing support, with a slewing accuracy of less than 20 arc seconds. It is widely used in 3C electronic industry and precision machine tools. The speed ratios of the rotary platform reducer are 5, 10, 15 and 18. Other speed ratios need to be developed again. Use the motor from 50 watts to 750 watts. The frame numbers are 60, 85, 130 and 200.
Application scope of rotary platform: the rotary platform is characterized by overload, high rotation accuracy and low clearance measurement. Its product categories include shaft type and side shaft type, There are 3 types of right angle structures, which are mainly applicable to mechanical arms, CNC turntables, alignment mechanisms, military radars, automation, measurement and fields requiring high accuracy in experiments. Selection steps of rotary platform:
1. Select the rotary table size according to the workpiece size; 2. Determine the model according to the size of rotary table; 3. Select reduction ratio according to speed and torque; 4. Select the positioning mode according to the installation mode; 5. Select the accuracy according to the working conditions.
The hollow rotary platform can be used for:
1. Rotary worktable in production line automation transformation;
2. Rotary chuck in laser marking or engraving machine;
3. The rotation axis in the precision alignment mechanism;
4. Light load manipulator joint;
5. High precision gear direct drive;
6. High precision, high torque, high rigidity, easy to use, with high-performance closed-loop stepping motor;
The hollow rotary platform is a blank in the current market, directly replacing the cam splitter and DD motor. The hollow rotary platform is a digital rotary platform with high positioning accuracy. It has the advantage of low cost and high accuracy, and occupies a strong market in the rotary platform category

Model Unit RPA060 RPA085 RPA130 RPA200 RPA280 RPA450 Ratios
Rated output torque Nm 6.0 35.0 5
    3.5 18.0 50.0 90.0 150.0 450.0 10
    7.5 15
    25.0 50.0 18
Stop fault torque Nm 3 *Nominal torqute
No load torque   0.1
0.18 0.6 1.2 1.8 2.6  
Load bearing type   Cross roller bearing
Cross roller bearing
Cross roller bearing
Cross roller bearing
Cross roller bearing
Cross roller bearing
Maximum permissible radial force N 1800 4500 8000 12000 12500 18500  
Maximum allowable axial force N 1800 4500 8000 12000 12500 18500  
Nm/arcmin Nm 120 340 1000 2200 3000 4000  
Torsional rigidity Nm/arcmin 2.4 5.8 16.0 28.5 40.0 55.0  
Platform end face runout mm ≤0.01 ≤0.01 ≤0.01 ≤0.01 ≤0.02 ≤0.02  
Platform radial runout mm ≤0.01 ≤0.01 ≤0.01 ≤0.01 ≤0.02 ≤0.02  
Rotary accuracy acrmin ≤1(±0.5) ≤1(±0.5) ≤1(±0.5) ≤1(±0.5) ≤1(±0.5) ≤1(±0.5)  
Rated output speed rpm 200 200 200 150 100 100  
Maximum output speed rpm 500 450 350 300 200 200  
Body weight Kg 0.55 1.4(1.1) 2.5 8.8 25 40  
Design bearing Kg 10 22 50 120 160 300  
Noise dB ≤55 ≤55 ≤58 ≤62 ≤65 ≤68  
Lifetime h 20000  
Minimum operating temperature ºC +90  
Degree of protection IP IP65  
Lubrication method   Long term lubrication  
Installation method   Any  
Direction of rotation   Output, input reverse  
Full load efficiency % 50%  

Actual product picture

Q: How to get a quick quote
A: Please provide the following information when contacting us

  1. Motor brand
  2. Motor model
  3. Motor dimension drawing
  4. What is the gear ratio

Q: How long is your delivery date
A: We all install it now, but it takes 3-5 days if it is not non-standard. Non standard 10-15 days, depending on the specific situation
Q:Do you provide samples, free or extra
A: A: You can reserve 1 first, and purchase it on demand



Warranty: 1 Year
Classification: Gear Parts
Processing Type: Metal Processing
Match Machine: Weaving Equipment
Material: Metal
Mechanical Process: CNC


Customized Request

epicylic gear

Can planetary gears be used in high-torque applications?

Yes, planetary gears are well-suited for high-torque applications due to their design characteristics and capabilities. Let’s explore why planetary gears can be used in high-torque applications:

  • Torque Distribution:

Planetary gears are designed to distribute torque across multiple gear teeth, allowing them to handle higher torque loads. The arrangement of planet gears around the sun gear and meshing with the ring gear enables torque to be transmitted through multiple contact points simultaneously. This distributed torque distribution helps in reducing stress on individual gear teeth and enhances the overall torque-carrying capacity of the gear system. As a result, planetary gears can effectively handle high torque loads without compromising performance or durability.

  • High Torque Density:

Planetary gears offer high torque density, meaning they can transmit a significant amount of torque relative to their size and weight. The design of planetary gears allows for multiple gear teeth to engage simultaneously, distributing the load and increasing torque-carrying capacity. This high torque density makes planetary gears suitable for applications that require substantial torque output in compact spaces. They can handle the demands of high-torque requirements without the need for larger gear systems.

  • Torque Amplification:

Planetary gears can also provide torque amplification, allowing for increased torque output compared to the input torque. By fixing the ring gear and inputting power to the sun gear, the planet gears rotate and contribute to multiplying the torque. This torque amplification feature is advantageous in high-torque applications where a higher output torque is desired while maintaining a smaller physical size. It enables planetary gears to deliver the necessary torque for demanding tasks.

  • Load Sharing:

Another advantage of planetary gears in high-torque applications is load sharing. The planet gears distribute the load across multiple gear teeth, preventing concentrated stress on individual teeth. This load sharing capability minimizes the risk of gear failure and ensures the durability and longevity of the gear system. It allows planetary gears to handle high torque loads while maintaining reliable and efficient operation.

  • Robust Construction:

Planetary gears are typically constructed using high-strength materials and precise manufacturing techniques to withstand high torque applications. The gear components are engineered to have sufficient strength and durability to handle the demanding conditions associated with high torque. This robust construction ensures that the planetary gears can reliably transmit and sustain high torque without experiencing premature wear or failure.

In summary, planetary gears can be effectively used in high-torque applications due to their torque distribution capabilities, high torque density, torque amplification, load sharing characteristics, and robust construction. These features make planetary gears a reliable choice for various industries, including heavy machinery, automotive drivetrains, industrial equipment, and more.

epicylic gear

Can planetary gears be used in robotics and automation?

Planetary gears are commonly used in robotics and automation due to their numerous advantages and suitability for various applications. Let’s explore how planetary gears are utilized in robotics and automation:

  • Compact Size and High Power Density:

Planetary gears offer a high power density, meaning they can transmit significant torque in a compact size. This characteristic is particularly valuable in robotics and automation systems, where space is often limited. The compactness of planetary gears allows for efficient integration into robotic joints, gearboxes, and other motion control components.

  • Precision and Repeatability:

Planetary gears provide high precision and repeatability, making them suitable for precise positioning and motion control tasks in robotics and automation. The gear design and arrangement contribute to minimal backlash and accurate torque transmission, ensuring precise and predictable movements. This precision is essential in applications such as robotic arms, CNC machines, and pick-and-place systems.

  • Speed Reduction and Torque Amplification:

Planetary gears offer the capability of speed reduction and torque amplification, allowing robots to handle varying loads and achieve different levels of speed and force. By utilizing the gear ratios and multiple gear stages, planetary gears enable robots to perform tasks that require both high torque and precise movements, such as lifting heavy objects or performing delicate assembly operations.

  • Efficiency and Energy Savings:

Planetary gears are known for their high efficiency in power transmission. The gear design minimizes friction and ensures efficient torque transfer, resulting in reduced energy consumption. In robotics and automation, where energy efficiency is often a concern, the use of planetary gears can contribute to overall energy savings and longer battery life in battery-powered systems.

  • Reliability and Durability:

Planetary gears are designed to be robust and durable, capable of withstanding demanding operating conditions. They can handle high loads, provide long service life, and resist wear and fatigue. These characteristics are crucial in robotics and automation, where the gears are subjected to repetitive and continuous motion. The reliability and durability of planetary gears contribute to the overall performance and longevity of robotic systems.

  • Versatility and Customization:

Planetary gears offer versatility and customization options to meet specific requirements in robotics and automation. They can be combined with other mechanical components such as motors, encoders, and sensors to create tailored motion control systems. The ability to select different gear ratios, sizes, and configurations allows for the optimization of robotic designs for specific applications and performance criteria.

In summary, planetary gears are widely used in robotics and automation due to their compact size, high power density, precision, repeatability, speed reduction, torque amplification, efficiency, reliability, durability, versatility, and customization options. These qualities make planetary gears an excellent choice for various robotic applications, including industrial automation, collaborative robots, robotic prosthetics, unmanned vehicles, and many others.

epicylic gear

What is the purpose of using planetary gears in machinery?

Planetary gears serve several important purposes in machinery and mechanical systems. Let’s delve into the key purposes and benefits of using planetary gears:

  • Gear Ratio Variation:

One of the primary purposes of planetary gears is to achieve different gear ratios. By varying the number of teeth on the sun gear, planet gears, and ring gear, a wide range of gear ratios can be obtained. This flexibility enables machinery to adapt to varying speed and torque requirements, allowing for precise control and efficient power transmission.

  • Torque Amplification:

Planetary gears are known for their ability to amplify torque. The arrangement of multiple gear sets in a compact design allows for torque multiplication. This can be particularly beneficial in applications where high torque is required while maintaining a smaller form factor. Planetary gears can efficiently transmit torque and handle heavy loads.

  • Compact Size:

Another advantage of planetary gears is their compact size. The internal gear meshing and the integration of multiple gear sets within a single gear system contribute to their space-saving design. This compactness is valuable in machinery where space constraints are a consideration, enabling the design of more compact and lightweight systems.

  • High Efficiency:

Planetary gears are known for their high efficiency in power transmission. The internal gear meshing and the distribution of load across multiple gear teeth result in efficient torque transfer with minimal power loss. This efficiency is crucial in machinery where energy conservation and optimization are important factors.

  • Directional Control:

Planetary gears allow for bidirectional power transmission. By controlling the direction of rotation of the input and output elements, the direction of rotation in the machinery can be easily changed. This feature is useful in applications that require reversing the direction of rotation or changing the rotational direction without the need for additional mechanisms.

  • Shock Absorption:

The arrangement of multiple gears in a planetary gear system provides inherent shock-absorbing capabilities. The distributed load between the gear teeth helps to dampen vibrations and absorb shocks, contributing to smoother operation and reduced wear on the system components.

  • Application Versatility:

Planetary gears find applications in a wide range of machinery and mechanical systems. They are commonly used in automotive transmissions, industrial machinery, robotics, aerospace systems, power generation equipment, and more. The versatility of planetary gears stems from their ability to provide precise control, compactness, high torque transmission, and efficient power transmission.

In summary, the purpose of using planetary gears in machinery is to achieve variable gear ratios, amplify torque, maintain compact size, ensure high efficiency in power transmission, enable bidirectional control, absorb shocks, and provide versatility for various applications. The unique characteristics of planetary gears make them valuable components in diverse machinery and mechanical systems.

China supplier Hollow Rotating Platform Precision Arbitrary Angle High-Precision Planetary Gear Reducer hypoid bevel gearChina supplier Hollow Rotating Platform Precision Arbitrary Angle High-Precision Planetary Gear Reducer hypoid bevel gear
editor by CX 2023-11-10