China Professional 64mm Ratio 70: 1 Large Torque Planetary Reducer Gearbox for Laser Machine automatic gearbox

Product Description

PG64 series Ratio 70:1 Large Torque Planetary Reducer Gearbox For Laser Machine

Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.

Product Parameters

1.The unique flange output made can obtain greater installation freedom;
2.The fuselage size is shorter and the installation space requirement is low;
3.No axis double support case planet carrier structure,high reliable,suitable for high-speed frequent CZPT and reverse rotation;
4.With axial clearance adjustment function;
5.The rotating frame bearing can be switched. After changing into angular contact bearing, the bearing capacity of axial force and radial force is greatly improved;
6.Impact resistance, can adapt to high acceleration and deceleration conditions;
7.Helical gear transmission,low backlash,and carry capacity greater;
8.Size range:64-110mm;
9.Ratio range:3-100;
10.Precision range:1-3arcmin(P1);3-5arcmin(P2)

Specifications PG64 PG90 PG110
Technal Parameters
Max. Torque Nm 3times rated torque
Emergency Stop Torque Nm 3times rated torque
Max. Radial Load N 2050 4100 8200
Max. Axial Load N 513 1571 2050
Torsional Rigidity Nm/arcmin 13 31 82
Max.Input Speed rpm 6000 6000 4500-6000
Rated Input Speed rpm 4000 3000 3000
Noise dB ≤58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin ≤3 ≤3 ≤3
L2 arcmin ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5
L2 arcmin ≤8 ≤8 ≤8
Moment Of Inertia Table L1 4 Kg*cm2 0.13 0.51 2.87
5 Kg*cm2 0.13 0.47 2.71
7 Kg*cm2 0.13 0.45 2.62
10 Kg*cm2 0.03 0.44 2.57
L2 16 Kg*cm2 0.03 0.23 0.47
20 Kg*cm2 0.03 0.23 0.47
25 Kg*cm2 0.03 0.23 0.47
28 Kg*cm2 0.03 0.23 0.47
35 Kg*cm2 0.03 0.23 0.47
40 Kg*cm2 0.03 0.23 0.47
50 Kg*cm2 0.03 0.2 0.44
70 Kg*cm2 0.03 0.2 0.44
100 Kg*cm2 0.03 0.2 0.44
Technical Parameter Level Ratio   PG64 PG90 PG110
Rated Torque L1 4 Nm 40 120 220
5 Nm 40 125 260
7 Nm 40 125 260
10 Nm 35 80 160
L2 16 Nm 50 120 300
20 Nm 50 120 300
25 Nm 50 125 350
28 Nm 50 120 300
35 Nm 50 125 350
40 Nm 50 125 350
50 Nm 50 125 350
70 Nm 50 125 350
100 Nm 35 80 220
Degree Of Protection   IP65
Operation Temprature ºC  - 10ºC to -90ºC
Weight L1 kg 1.3 3.4 7.1
L2 kg 1.9 4.7 9.5

Model Selection:


Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT


1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

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Application: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator
Function: Change Drive Torque, Change Drive Direction, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
US$ 262/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

planetary gearbox

Considerations for Selecting Planetary Gearboxes for Aerospace and Satellite Applications

Selecting planetary gearboxes for aerospace and satellite applications requires careful consideration due to the unique demands of these industries:

  • Weight and Size: Aerospace and satellite systems demand lightweight and compact components. Planetary gearboxes with high power density and lightweight materials are preferred to minimize the overall weight and size of the equipment.
  • Reliability: Aerospace missions involve critical operations where component failure is not an option. Planetary gearboxes with a proven track record of reliability and durability are essential to ensure mission success.
  • High Efficiency: Efficiency is crucial in aerospace applications to optimize power usage and extend the operational life of satellites. Planetary gearboxes with high efficiency ratings contribute to energy conservation.
  • Extreme Environments: Aerospace and satellite systems are exposed to harsh conditions such as vacuum, extreme temperatures, and radiation. Planetary gearboxes need to be designed and tested to withstand these conditions without compromising performance.
  • Precision and Accuracy: Many aerospace operations require precise positioning and accurate control. Planetary gearboxes with minimal backlash and high precision gear meshing contribute to accurate movements.
  • Lubrication: Lubrication plays a vital role in aerospace gearboxes to ensure smooth operation and prevent wear. Gearboxes with efficient lubrication systems or self-lubricating materials are favored.
  • Redundancy and Fail-Safe: Some aerospace systems incorporate redundancy to ensure mission success even in case of component failure. Planetary gearboxes with built-in redundancy or fail-safe mechanisms enhance system reliability.
  • Integration: Planetary gearboxes need to be seamlessly integrated into the overall design of aerospace and satellite systems. Customization options and compatibility with other components are important factors.

Overall, selecting planetary gearboxes for aerospace and satellite applications involves a comprehensive evaluation of factors related to weight, reliability, efficiency, durability, environmental resistance, precision, and integration to meet the unique demands of these industries.

planetary gearbox

Impact of Temperature Variations and Environmental Conditions on Planetary Gearbox Performance

The performance of planetary gearboxes can be significantly influenced by temperature variations and environmental conditions. Here's how these factors impact their operation:

Temperature Variations: Extreme temperature fluctuations can affect the lubrication properties of the gearbox. Cold temperatures can cause the lubricant to thicken, leading to increased friction and reduced efficiency. On the other hand, high temperatures can cause the lubricant to thin out, potentially leading to insufficient lubrication and accelerated wear.

Environmental Contaminants: Planetary gearboxes used in outdoor or industrial environments can be exposed to contaminants such as dust, dirt, moisture, and chemicals. These contaminants can infiltrate the gearbox and degrade the quality of the lubricant. Additionally, abrasive particles can cause wear on gear surfaces, leading to decreased performance and potential damage.

Corrosion: Exposure to moisture, especially in humid or corrosive environments, can lead to corrosion of gearbox components. Corrosion weakens the structural integrity of gears and other components, which can ultimately result in premature failure.

Thermal Expansion: Temperature changes can cause materials to expand and contract. In gearboxes, this can lead to misalignment of gears and improper meshing, causing noise, vibration, and reduced efficiency. Proper consideration of thermal expansion is crucial in gearbox design.

Sealing and Ventilation: To mitigate the impact of temperature and environmental factors, planetary gearboxes need effective sealing to prevent contaminants from entering and to retain the lubricant. Proper ventilation is also essential to prevent pressure build-up inside the gearbox due to temperature changes.

Cooling Systems: In applications where temperature control is critical, cooling systems such as fans or heat exchangers can be incorporated to maintain optimal operating temperatures. This helps prevent overheating and ensures consistent gearbox performance.

Overall, temperature variations and environmental conditions can have a profound impact on the performance and lifespan of planetary gearboxes. Manufacturers and operators need to consider these factors during design, installation, and maintenance to ensure reliable and efficient operation.

planetary gearbox

Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations

Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here's a closer look at why planetary gearboxes are favored:

  • Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
  • High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
  • Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
  • Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
  • High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
  • Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
  • High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
  • Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.

Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.

China Professional 64mm Ratio 70: 1 Large Torque Planetary Reducer Gearbox for Laser Machine   automatic gearbox	China Professional 64mm Ratio 70: 1 Large Torque Planetary Reducer Gearbox for Laser Machine   automatic gearbox
editor by CX 2024-02-09

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