China OEM 90 Degree Right Angle 750W Servo Motor Helical Planetary Gear Boxes gearbox adjustment

Product Description

90 Degree Right Angle Servo Motor Helical Planetary Gear Boxes

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 Description

1.Low Noise:The use of helical gear design,to achieve a smooth,quite operation of the reducer.
2.High Precision:Backlash is 3 arcmin or less,accurate positioning.
3.High Rigidity,High Torque:The output shaft used large size,large span double support bearing design,which improves the rigidity and torque of the reducer.
4.High Efficiency:1-stage up to 95% or more,2-stage up to 92% or more.
5.Maintenance-Free:Low grease wear,can be lifetime lubrication.
6.Sealing Effect is Good:Lubricating grease with high viscosity,not easy to separate the characteristics,ip65 protection class to ensure that no grease leakage.
7.Installation Unrestrained:Can be installed arbitrarily.
8.Wide Applicability:Applicable to any type of servo motor.
9.An organic [integral] whole output axis.
10.Speed ratio range:3-100.
11.Precision range:3-5arcmin(P1 level);5-8arcmin(P2 level).
12.Size range:60-140mm.

Specifications PXR42 PXR60 PXR90 PXR120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3300 6700
Max. Axial Load N 390 600 1500 3000
Torsional Rigidity Nm/arcmin 2.5 6 12 23
Max.Input Speed rpm 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000
Noise dB ≤56 ≤64 ≤66 ≤66
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin ≤3 ≤5 ≤5 ≤5
L2 arcmin ≤5 ≤7 ≤7 ≤7
P2 L1 arcmin ≤5 ≤8 ≤8 ≤8
L2 arcmin ≤7 ≤10 ≤10 ≤10
Moment Of Inertia Table L1 3 Kg*cm2 / 0.4 2.28 6.87
4 Kg*cm2 0.12 0.4 2.28 6.87
5 Kg*cm2 0.09 0.4 2.28 6.87
7 Kg*cm2 0.09 0.4 2.28 6.87
8 Kg*cm2 / 0.4 1.45 4.76
10 Kg*cm2 0.09 0.3 1.45 4.76
14 Kg*cm2 / 0.4 2.28 6.87
20 Kg*cm2 / 0.4 2.28 6.87
L2 25 Kg*cm2 0.09 0.4 2.28 6.87
30 Kg*cm2 / 0.4 2.28 6.87
35 Kg*cm2 0.09 0.4 2.28 6.87
40 Kg*cm2 0.09 0.4 2.28 6.87
50 Kg*cm2 0.09 0.3 1.45 4.76
70 Kg*cm2 0.09 0.3 1.45 4.76
100 Kg*cm2 0.07 0.3 1.45 4.76
Technical Parameter Level Ratio   PXR42 PXR60 PXR90 PXR120
Rated Torque L1 3 Nm / 40 105 165
4 Nm 17 45 130 230
5 Nm 15 45 130 230
7 Nm 12 45 100 220
8 Nm / 45 90 200
10 Nm 10 45 130 230
14 Nm / 45 100 220
20 Nm / 30 75 175
L2 25 Nm 15 45 130 230
30 Nm / 40 105 165
35 Nm 15 45 130 230
40 Nm 17 45 130 230
50 Nm 15 45 130 230
70 Nm 12 45 130 230
100 Nm 15 46 130 230
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.7 2.05 6.45 13.7
L2 kg 0.9 3.15 8.8 17.2

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
Number of Stator: Single-Phase
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
US$ 799/Piece
1 Piece(Min.Order)

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Customized Request

servo gearbox

Handling Sudden Changes in Direction and Speed with Servo Gearboxes

Servo gearboxes are designed to handle sudden changes in direction and speed effectively, ensuring precise motion control even during dynamic operations. They employ several mechanisms to address these challenges:

1. Acceleration and Deceleration Profiles: Servo systems can be programmed with specific acceleration and deceleration profiles. This means that when a sudden change in speed or direction is commanded, the system can ramp up or down the speed smoothly, reducing the impact of sudden changes on the mechanical components.

2. Closed-Loop Control: Servo systems operate in a closed-loop configuration, where feedback sensors continuously monitor the actual position and speed of the system. When a sudden change is commanded, the controller can make real-time adjustments to ensure the system reaches the desired position accurately and smoothly.

3. Torque Control: Servo gearboxes are designed to provide high torque output even at low speeds. This is crucial for handling sudden changes in direction and speed, as the gearbox can deliver the required torque to quickly accelerate or decelerate the load.

4. Dynamic Response: Servo systems have fast dynamic response capabilities, which means they can quickly adapt to changes in input commands. This responsiveness allows the system to handle sudden changes in direction and speed without sacrificing accuracy or stability.

5. Electronic Damping: Some advanced servo systems incorporate electronic damping mechanisms that can be adjusted based on the application’s requirements. This feature helps dampen vibrations and oscillations that may occur during sudden changes in motion.

6. Overcurrent and Overvoltage Protection: Servo systems are equipped with protection mechanisms that detect excessive currents or voltages. If a sudden change in direction or speed causes abnormal loads or voltages, the system can take corrective actions to prevent damage.

Overall, servo gearboxes excel in handling sudden changes in direction and speed by leveraging their closed-loop control, high torque output, and fast dynamic response capabilities. These features allow them to provide accurate and reliable motion control in dynamic and rapidly changing operating conditions.

servo gearbox

Contribution of Servo Gearboxes to Smooth Acceleration and Deceleration

Servo gearboxes play a crucial role in ensuring smooth acceleration and deceleration of machinery in motion control systems:

1. Precise Control: Servo gearboxes provide precise control over the rotational speed and torque of the output shaft. This control allows for gradual and controlled changes in speed, resulting in smooth acceleration and deceleration.

2. Feedback Mechanism: Servo systems typically incorporate feedback devices such as encoders or resolvers. These devices continuously monitor the actual position and speed of the output shaft and provide real-time feedback to the controller. This feedback enables the controller to adjust the input signals to the servo gearbox, ensuring accurate and smooth motion transitions.

3. Dynamic Response: Servo gearboxes are designed for high dynamic response, meaning they can quickly adjust their speed and torque based on the controller’s commands. This responsiveness allows for rapid and smooth changes in speed and direction without sudden jerks or jolts.

4. Programmable Profiles: Many servo systems offer the capability to program acceleration and deceleration profiles. Engineers can define specific acceleration and deceleration curves tailored to the application’s requirements. These profiles ensure that the machinery achieves the desired speed changes gradually and smoothly.

5. Reduced Wear and Tear: The controlled and gradual acceleration and deceleration provided by servo gearboxes reduce the wear and tear on mechanical components. Sudden changes in speed can lead to shock loads and vibration, potentially damaging the machinery. Servo gearboxes help mitigate these effects, extending the lifespan of components.

6. Increased Productivity: Smooth acceleration and deceleration reduce the chances of product damage, improve product quality, and enhance the overall efficiency of the process. This is particularly important in applications where precise motion control is critical.

Overall, servo gearboxes contribute to the seamless acceleration and deceleration of machinery by providing accurate control, dynamic responsiveness, and programmable motion profiles. These features ensure that machinery can achieve the desired speed changes while maintaining precision, efficiency, and longevity.

servo gearbox

Servo Gearboxes vs. Standard Gearboxes in Industrial Applications

Servo gearboxes and standard gearboxes serve distinct roles in industrial applications. Here’s how they differ:

Precision Control: Servo gearboxes are specifically designed for precise motion control in applications that require accurate speed and position control. Standard gearboxes, while also providing speed reduction or torque multiplication, may not offer the same level of precision.

Backlash: Servo gearboxes are designed to minimize backlash, which is crucial for applications where even slight lost motion is unacceptable. Standard gearboxes may have higher levels of backlash due to their broader design scope.

Dynamic Response: Servo gearboxes excel in dynamic response, enabling quick changes in speed and direction with minimal overshoot. Standard gearboxes may not offer the same level of responsiveness.

High Efficiency: Servo gearboxes are optimized for efficiency to ensure precise power transmission. Standard gearboxes may prioritize other factors like cost or load capacity.

Positioning Accuracy: Servo gearboxes are essential for achieving high positioning accuracy in applications such as robotics and CNC machines. Standard gearboxes might not meet the same accuracy requirements.

Load Distribution: Servo gearboxes distribute loads evenly across gear teeth to enhance durability and minimize wear. Standard gearboxes might not have the same load distribution capabilities.

Compact Design: Servo gearboxes are often designed with a compact form factor to fit within tight spaces. Standard gearboxes might be larger and less optimized for space constraints.

Customization: Servo gearboxes can be highly customizable in terms of size, reduction ratio, and mounting options. Standard gearboxes may offer fewer customization choices.

Application Focus: Servo gearboxes are intended for applications that demand precision and responsiveness, such as robotics, automation, and CNC machining. Standard gearboxes are used in a broader range of applications where precision might not be as critical.

In summary, servo gearboxes are specialized components tailored for high-precision motion control applications, while standard gearboxes serve a wider variety of industrial needs with a focus on durability, load handling, and basic speed reduction.

China OEM 90 Degree Right Angle 750W Servo Motor Helical Planetary Gear Boxes   gearbox adjustment	China OEM 90 Degree Right Angle 750W Servo Motor Helical Planetary Gear Boxes   gearbox adjustment
editor by CX 2023-12-20