Product Description
11kw Servo Motor Low Backlash Ratio 15:1 Planetary Gear Reducer
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
Characteristics:
1.Hole output structure,easy installation.
2.Straight tooth drive ,single cantilever structure.simple design,economic price.
3.Working steady. Low noise.
4.Low return backlash. Can suit most occasion.
5.The input connection specifications are complete and there are many choices.
6.Keyway can be opened in the force shaft.
7.Square mount flange output,high precision,high torque.
8.Speed ratio range:3-100
9.Precision range:8-16arcmin
10.Size range:60-160mm
| Specifications | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |||
| Technal Parameters | |||||||||
| Max. Torque | Nm | 1.5times rated torque | |||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | |||||||
| Max. Radial Load | N | 1530 | 3250 | 6700 | 9400 | 14500 | 16500 | ||
| Max. Axial Load | N | 630 | 1300 | 3000 | 4700 | 7250 | 8250 | ||
| Torsional Rigidity | Nm/arcmin | 6 | 12 | 23 | 47 | 130 | 205 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 6000 | 3000 | ||
| Rated Input Speed | rpm | 4000 | 3000 | 3000 | 3000 | 3000 | 1500 | ||
| Noise | dB | ≤58 | ≤60 | ≤65 | ≤68 | ≤68 | ≤72 | ||
| Average Life Time | h | 20000 | |||||||
| Efficiency Of Full Load | % | L1≥95% L2≥90% | |||||||
| Return Backlash | P1 | L1 | arcmin | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 |
| L2 | arcmin | ≤5 | ≤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 | 69.7 |
| 4 | Kg*cm2 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.61 | ||
| 5 | Kg*cm2 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.51 | ||
| 7 | Kg*cm2 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.92 | ||
| 8 | Kg*cm2 | 0.13 | 0.45 | 2.6 | 7.14 | / | / | ||
| 10 | Kg*cm2 | 0.13 | 0.4 | 2.57 | 7.03 | 22.51 | 50.18 | ||
| L2 | 12 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | |
| 15 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 7.3 | 23.59 | ||
| 20 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.63 | 6.92 | 23.33 | ||
| 25 | Kg*cm2 | 0.13 | 0.45 | 0.4 | 2.63 | 6.92 | 22.68 | ||
| 28 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 30 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 7.3 | 25.59 | ||
| 35 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.43 | 6.92 | 22.68 | ||
| 40 | Kg*cm2 | 0.13 | 0.45 | 0.45 | 2.43 | 6.92 | 23.33 | ||
| 50 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.92 | 22.68 | ||
| 70 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| 100 | Kg*cm2 | 0.13 | 0.4 | 0.4 | 2.39 | 6.72 | 22.68 | ||
| Technical Parameter | Level | Ratio | PA60 | PA90 | PA120 | PA140 | PA180 | PA220 | |
| Rated Torque | L1 | 3 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 |
| 4 | Nm | 45 | 130 | 230 | 480 | 880 | 1800 | ||
| 5 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 7 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 8 | Nm | 40 | 90 | 200 | 440 | / | / | ||
| 10 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| L2 | 12 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | |
| 15 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 20 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 25 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 28 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 30 | Nm | 40 | 105 | 165 | 360 | 880 | 1100 | ||
| 35 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 40 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 50 | Nm | 45 | 130 | 230 | 480 | 1100 | 1800 | ||
| 70 | Nm | 45 | 100 | 220 | 480 | 1100 | 1600 | ||
| 100 | Nm | 30 | 75 | 175 | 360 | 770 | 1200 | ||
| Degree Of Protection | IP65 | ||||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | |||||||
| Weight | L1 | kg | 1.25 | 3.75 | 8.5 | 16 | 28.5 | 49.3 | |
| L2 | kg | 1.75 | 5.1 | 12 | 21.5 | 40 | 62.5 | ||
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
FAQ
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 |
| Samples: |
US$ 2105/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How do gear reducers enhance the efficiency of conveyor systems and robotics?
Gear reducers play a significant role in improving the efficiency of both conveyor systems and robotics by optimizing speed, torque, and control. Here’s how they contribute:
Conveyor Systems:
In conveyor systems, gear reducers enhance efficiency in the following ways:
- Speed Control: Gear reducers allow precise control over the rotational speed of conveyor belts, ensuring that materials are transported at the desired speed for efficient production processes.
- Torque Adjustment: By adjusting gear ratios, gear reducers provide the necessary torque to handle varying loads and prevent overloading, minimizing energy wastage.
- Reverse Operation: Gear reducers enable smooth bidirectional movement of conveyor belts, facilitating tasks such as loading, unloading, and distribution without the need for additional components.
- Synchronization: Gear reducers ensure synchronized movement of multiple conveyor belts in complex systems, optimizing material flow and minimizing jams or bottlenecks.
Robotics:
In robotics, gear reducers enhance efficiency through the following means:
- Precision Movement: Gear reducers provide precise control over the movement of robot joints and arms, enabling accurate positioning and manipulation of objects.
- Reduced Inertia: Gear reducers help reduce the inertia experienced by robotic components, allowing for quicker and more responsive movements while conserving energy.
- Compact Design: Gear reducers offer a compact and lightweight solution for achieving various motion profiles in robotic systems, allowing for efficient use of space and resources.
- Torque Amplification: By amplifying torque from the motor, gear reducers enable robots to handle heavier loads and perform tasks that require greater force, enhancing their overall capabilities.
By providing precise speed control, torque adjustment, and reliable motion transmission, gear reducers optimize the performance of conveyor systems and robotics, leading to improved efficiency, reduced energy consumption, and enhanced operational capabilities.

How do gear reducers ensure efficient power transmission and motion control?
Gear reducers play a vital role in ensuring efficient power transmission and precise motion control in various industrial applications. They achieve this through the following mechanisms:
- 1. Speed Reduction/Increase: Gear reducers allow you to adjust the speed between the input and output shafts. Speed reduction is essential when the output speed needs to be lower than the input speed, while speed increase is used when the opposite is required.
- 2. Torque Amplification: By altering the gear ratio, gear reducers can amplify torque from the input to the output shaft. This enables machinery to handle higher loads and provide the necessary force for various tasks.
- 3. Gear Train Efficiency: Well-designed gear trains within reducers minimize power losses during transmission. Helical and spur gears, for example, offer high efficiency by distributing load and reducing friction.
- 4. Precision Motion Control: Gear reducers provide precise control over rotational motion. This is crucial in applications where accurate positioning, synchronization, or timing is required, such as in robotics, CNC machines, and conveyor systems.
- 5. Backlash Reduction: Some gear reducers are designed to minimize backlash, which is the play between gear teeth. This reduction in play ensures smoother operation, improved accuracy, and better control.
- 6. Load Distribution: Gear reducers distribute the load evenly among multiple gear teeth, reducing wear and extending the lifespan of the components.
- 7. Shock Absorption: In applications where sudden starts, stops, or changes in direction occur, gear reducers help absorb and dampen shocks, protecting the machinery and ensuring reliable operation.
- 8. Compact Design: Gear reducers provide a compact solution for achieving specific speed and torque requirements, allowing for space-saving integration into machinery.
By combining these principles, gear reducers facilitate the efficient and controlled transfer of power, enabling machinery to perform tasks accurately, reliably, and with the required force, making them essential components in a wide range of industries.

What are the benefits of using a gear reducer in industrial applications?
Gear reducers offer several benefits that make them indispensable in various industrial applications:
1. Speed Reduction: Gear reducers allow the reduction of high-speed input from motors or engines to lower, more usable output speeds for specific applications, ensuring proper equipment operation and safety.
2. Torque Increase: By leveraging the mechanical advantage of gear ratios, gear reducers can significantly increase torque output, enabling the handling of heavy loads and providing the necessary power for tasks such as lifting, conveying, and processing.
3. Precise Control: Gear reducers enable fine-tuning of rotational speed and torque, providing precise control over machinery and processes, which is crucial in industries like manufacturing, material handling, and robotics.
4. Shock Load Absorption: Gear reducers can absorb and dampen sudden shocks or changes in load, protecting both the machinery and connected components from abrupt forces that could otherwise lead to damage.
5. Versatility: With various gear types (e.g., spur, helical, worm) and designs, gear reducers can be tailored to different applications, including those requiring specific speed ratios, torque ranges, and environmental conditions.
6. Efficient Power Transmission: Gear reducers offer high mechanical efficiency, minimizing energy loss during power transmission, which is especially valuable in energy-conscious industries.
7. Compact Design: Gear reducers provide a compact solution for transmitting power and adjusting speeds, making them suitable for installations with space constraints.
8. Reliability and Longevity: Well-designed and properly maintained gear reducers can offer extended service life, contributing to reduced downtime and maintenance costs.
Overall, gear reducers enhance the performance, efficiency, and reliability of industrial equipment, making them essential components in a wide range of applications across various industries.


editor by CX 2024-04-09