China best Cheap Price Planetary Speed Reducer Gear Boxes for Automation Equipment with Best Sales

Product Description

Good Quality Cheap Price Planetary Speed Reducer Gear Boxes For Automation Equipment

Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.

Product Parameters

Planetary reducer characteristic:
1.Quiet operation:helical gears contribute to reduce vibration and noise.
2.High precision:standard backlash is 3 arcmin,ideal for precision control.
3.High rigidity & torque:high rigidity&torque were used integral ball bearings.
4.Adapter-bushing connection:can be attached to any motor all over the world.
5.No grease leakage:perfect dissolution using high viscosity anti-separation grease.
6.Maintenance-free:no need to replace the grease for the life of the unit.can be attached in any position.

Specifications PX42 PX60 PX90 PX120 PX140 PX180
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3250 6700 9400 14500
Max. Axial Load N 390 630 1300 3000 4700 7250
Torsional Rigidity Nm/arcmin 2.5 6 12 23 47 130
Max.Input Speed rpm 8000 8000 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000 3000 3000
Noise dB ≤56 ≤58 ≤60 ≤65 ≤68 ≤68
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin / ≤3 ≤3 ≤3 ≤3 ≤3
L2 arcmin / ≤5 ≤5 ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
Moment Of Inertia Table L1 3 Kg*cm2 / 0.16 0.61 3.25 9.21 28.98
4 Kg*cm2 0.03 0.14 0.48 2.74 7.54 23.67
5 Kg*cm2 0.03 0.13 0.47 2.71 7.42 23.29
7 Kg*cm2 0.03 0.13 0.45 2.62 7.14 22.48
8 Kg*cm2 0.03 0.13 0.45 2.6 / /
10 Kg*cm2 0.03 0.13 0.4 2.57 7.03 22.51
L2 12 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
15 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
20 Kg*cm2 0.03 0.13 0.45 0.45 2.63 7.3
25 Kg*cm2 0.03 0.13 0.45 0.4 2.63 7.3
28 Kg*cm2 0.03 0.13 0.45 0.45 2.43 7.1
30 Kg*cm2 / 0.13 0.45 0.45 2.43 6.92
35 Kg*cm2 0.03 0.13 0.4 0.4 2.43 7.1
40 Kg*cm2 0.03 0.13 0.45 0.45 2.43 6.92
50 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.92
70 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
100 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
Technical Parameter Level Ratio   PX42 PX60 PX90 PX120 PX140 PX180
Rated Torque L1 3 Nm / 40 105 165 360 880
4 Nm 17 45 130 230 480 880
5 Nm 15 45 130 230 480 1100
7 Nm 12 45 100 220 480 1100
8 Nm / 40 90 200 / /
10 Nm 10 30 75 175 360 770
L2 12 Nm / 40 105 165 440 880
15 Nm / 40 105 165 360 880
20 Nm 17 45 130 230 480 880
25 Nm 15 45 130 230 480 880
28 Nm 17 45 130 230 480 1100
30 Nm / 40 105 165 480 1100
35 Nm 10 30 130 230 480 1100
40 Nm 17 45 130 230 480 1100
50 Nm 15 45 130 230 480 1100
70 Nm 12 45 100 220 480 1100
100 Nm 10 30 75 175 360 770
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.5 1.25 3.75 8.5 16 28.5
L2 kg 0.8 1.75 5.1 12 21.5 40

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: Industrial
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
Starting Mode: Direct on-line Starting
US$ 388/Piece
1 Piece(Min.Order)

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Customized Request

speed reducer gearbox

Considerations for Choosing Lubrication for Speed Reducer Gearboxes

Choosing the right lubrication for speed reducer gearboxes is crucial to ensure optimal performance, longevity, and efficiency. Several factors should be taken into account when making this decision:

  • Operating Conditions: Consider the temperature range, load, and speed at which the gearbox operates. Extreme temperatures or heavy loads may require specialized lubricants.
  • Lubricant Type: Choose between oil and grease lubrication. Oil provides better heat dissipation and is suitable for high-speed applications, while grease offers better sealing and is ideal for applications with frequent starts and stops.
  • Viscosity: Select the appropriate viscosity grade of lubricant based on the operating conditions. Higher viscosity is generally preferred for heavy loads and high temperatures.
  • Additives: Some applications may require lubricants with specific additives, such as anti-wear additives, extreme pressure additives, or corrosion inhibitors, to enhance performance and protection.
  • Sealing and Contamination: Consider the effectiveness of sealing mechanisms to prevent contamination from dust, water, and other particles. Proper sealing helps extend the lubricant’s lifespan.
  • Compatibility: Ensure that the selected lubricant is compatible with the materials used in the gearbox construction, including seals, gaskets, and gear materials.
  • Re-Lubrication Intervals: Determine how frequently re-lubrication is required. Some applications may demand frequent re-lubrication, while others can operate with longer intervals.
  • Environmental Impact: Consider environmental regulations and restrictions when selecting lubricants to minimize ecological impact and ensure compliance.

By carefully evaluating these factors and consulting with lubrication experts, industries can choose the right lubrication strategy for their speed reducer gearboxes, promoting smooth operation and extending the equipment’s service life.

speed reducer gearbox

Efficient Power Transmission and Motion Control in Speed Reducer Gearboxes

Speed reducer gearboxes play a crucial role in ensuring efficient power transmission and precise motion control in various mechanical systems. Here’s how they achieve these objectives:

Power Transmission: Speed reducer gearboxes utilize a combination of gears, shafts, and bearings to transmit power from the input shaft to the output shaft. The gear train within the gearbox transforms the input speed and torque to the desired output speed and torque, allowing for effective power transmission.

Mechanical Advantage: The gear ratio in a speed reducer gearbox provides a mechanical advantage by reducing the rotational speed while increasing the available torque. This enables the gearbox to handle higher loads and deliver the required force for specific applications.

Reduced Energy Loss: By optimizing the gear meshing and minimizing friction between components, speed reducer gearboxes help reduce energy loss during power transmission. This leads to higher efficiency and lower heat generation, resulting in improved energy conservation.

Motion Control: Speed reducer gearboxes enable precise motion control by accurately converting input motion to the desired output motion. The gear ratio determines the relationship between input and output speeds, allowing for controlled movement, rotation, or positioning of machinery or equipment.

Backlash Minimization: High-quality speed reducer gearboxes are designed to minimize backlash, which is the play or clearance between gear teeth. This feature ensures accurate and repeatable motion, making them suitable for applications that require precise positioning and synchronization.

Noise and Vibration Reduction: Many speed reducer gearboxes incorporate features such as helical or planetary gears, which help reduce noise and vibration levels during operation. This is particularly important for applications where noise and vibration control is essential.

Enhanced System Stability: Speed reducer gearboxes provide stability to mechanical systems by controlling the speed and torque output. This stability contributes to smoother operation, reduced wear and tear on components, and increased overall system reliability.

Overall, speed reducer gearboxes ensure efficient power transmission and motion control by utilizing their mechanical design, gear arrangements, and precision manufacturing. Their ability to transform and manage power enables them to meet the specific requirements of diverse industrial applications while optimizing performance and reliability.

speed reducer gearbox

Handling Variations in Input and Output Speeds with Speed Reducer Gearboxes

Speed reducer gearboxes are designed to efficiently handle variations in input and output speeds, ensuring that mechanical systems can operate at desired levels of torque and rotational motion. Here’s how they accomplish this:

Versatile Gear Ratios: Speed reducer gearboxes are equipped with a combination of gears, typically including multiple stages of gear reduction. Each stage contains gears with specific gear ratios. By strategically selecting gear ratios for each stage, the gearbox can adjust the speed and torque output according to the input from the motor or initial power source.

Multi-Stage Reduction: In many speed reducer gearboxes, the input shaft connects to a series of gears, each progressively smaller in size. As the input gear turns, it drives the next gear in the sequence. This process continues through multiple stages, resulting in a significant reduction in rotational speed while increasing torque output.

Helical and Planetary Gears: Some speed reducer gearboxes use helical gears or planetary gear sets. Helical gears have angled teeth that engage gradually, reducing noise and providing smoother transitions between gears. Planetary gears consist of a central sun gear, multiple planet gears, and an outer ring gear. They allow for compact designs and efficient speed reduction.

Frictional and Mechanical Efficiency: Speed reducer gearboxes are designed to minimize friction and mechanical losses during operation. High-quality materials, precision manufacturing, and proper lubrication contribute to higher efficiency and reduced energy waste.

Adjustable Configurations: Speed reducer gearboxes can be configured to achieve different output speeds and torque levels based on the specific requirements of the application. This adjustability allows for customization and fine-tuning of performance.

Torque and Speed Ratings: Manufacturers provide torque and speed ratings for their speed reducer gearboxes, indicating the maximum torque load they can handle while maintaining specified speed reductions. These ratings guide the selection of an appropriate gearbox for a given application.

Overall, speed reducer gearboxes effectively manage variations in input and output speeds through the use of gear ratios, multi-stage reduction, specialized gear designs, and careful engineering. This enables them to adapt to the changing demands of mechanical systems while providing precise control over motion and torque.

China best Cheap Price Planetary Speed Reducer Gear Boxes for Automation Equipment   with Best Sales China best Cheap Price Planetary Speed Reducer Gear Boxes for Automation Equipment   with Best Sales
editor by CX 2024-02-27