China Standard Desboer Nfr140 Series Right Angle High Precision High Torque Low Backlash Planetary Gearbox for Servo Motor and Stepper Motor gearbox design

Product Description

Product Description

The NFR140 series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The ND series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: NFR140 Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

High torque
High load
ultra-precision
Small size

Detailed Photos

 

Product Parameters

Segment number Double segment
Ratio i 25 30 35 40 45 50 60 70 80 90 100 120 140 160 180 200
Rated output torque Nm 610 570 520 470 420 610 570 520 470 420 420 570 520 520 420 420
Emergency stop torque Nm Three times of Maximum Output Torque
Rated input speed Rpm 3000
Max input speed Rpm 6000
Ultraprecise backlash arcmin ≤4
Precision backlash arcmin ≤7
Standard backlash arcmin ≤9
Torsional rigidity Nm/arcmin 145
Max.bending moment Nm 14000
Max.axial force N 11400
Service life hr 30000(15000 under continuous operation)
Efficiency % ≥92%
Weight kg 26.7
Operating Temperature ºC -10ºC~+90ºC
Lubrication   Synthetic grease
Protection class   IP64
Mounting Position   All directions
Noise level(N1=3000rpm,non-loaded) dB(A) ≤70
Rotary inertia Kg·cm² 6.84 6.25

Applicable Industries

 

                              Packaging   Machinery                              Mechanical  Hand                                                         Textile  Machinery

                   Non  Standard  automation                                          Machine  Tool                                                       Printing   Equipment

Certifications

 

 

Company Profile

 

DESBOER (HangZhou) Transmission Technology Co., Ltd. is a subsidiary of DESBOER (China), which is committed to the design, development, customized production and sales of high precision planetary reducer as 1 of the technology company. Our company has over 10 years of design, production and sales experience, the main products are the high precision planetary reducer, gear, rack, etc., with high quality, short delivery period, high cost performance and other advantages to better serve the demand of global customers. It is worth noting that we remove the intermediate link sale from the factory directly to customers, so that you can get the most ideal price and also get our best quality service simultaneously.

 

About Research

In order to strengthen the advantages of products in the international market, the head company in Kyoto, Japan to established KABUSHIKIKAISYA KYOEKI, mainly engaged in the development of DESBOER high precision planetary reducer, high precision of transmission components such as the development work, to provide the most advanced design technology and the most high-quality products for the international market.

 

 

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Application: Motor, Machinery, Marine, Agricultural Machinery, CNC Machine
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Plantery Type
Hardness: Hardened Tooth Surface
Installation: All Directions
Step: Double-Step
Customization:
Available

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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

Considerations for Selecting the Right Servo Gearbox for an Application

Choosing the appropriate servo gearbox for a specific application requires careful evaluation of several key factors:

1. Torque and Speed Requirements: Determine the required torque and speed characteristics of the application, ensuring that the chosen servo gearbox can provide the necessary output.

2. Gear Ratio: Calculate the ideal gear ratio based on the desired motion profile, acceleration, and deceleration requirements.

3. Mounting and Integration: Consider the available space and mechanical layout of the machinery to choose a servo gearbox with the appropriate mounting configuration.

4. Motor Compatibility: Ensure that the servo gearbox is compatible with the specific type and size of motor being used for the application.

5. Precision and Accuracy: Evaluate the level of precision required for the application’s motion control. Choose a servo gearbox that can deliver the necessary accuracy and repeatability.

6. Load Distribution: Analyze how the load will be distributed among the gears to prevent excessive wear and ensure optimal performance.

7. Backlash and Compliance: Consider the application’s tolerance for backlash and compliance. Choose a servo gearbox with low backlash if precise positioning is essential.

8. Environmental Conditions: Factor in the environmental conditions of the application, such as temperature, humidity, and exposure to contaminants. Choose a servo gearbox with suitable sealing and protection.

9. Lubrication: Determine the lubrication requirements of the gearbox and select a model that aligns with the application’s maintenance practices.

10. Overload and Shock: Consider potential overload and shock conditions the gearbox may experience. Choose a servo gearbox that can handle sudden changes in load without compromising performance.

11. Feedback Devices: If precise motion control is required, choose a servo gearbox that is compatible with the desired feedback devices, such as encoders or resolvers.

12. Efficiency: Evaluate the efficiency of the servo gearbox to ensure that it contributes to the overall energy efficiency of the system.

13. Service and Support: Select a reputable manufacturer that offers reliable technical support, documentation, and post-purchase services.

14. Budget: Balance the performance requirements of the application with the available budget to make an informed decision.

By carefully considering these factors, engineers and designers can confidently choose the right servo gearbox that meets the specific needs of their application, optimizing performance and productivity.

servo gearbox

Servo Gearbox: Function in Motion Control Systems

A servo gearbox is a specialized type of gearbox designed to work in conjunction with servo motors to achieve precise motion control in various applications. It functions as follows:

Motion Synchronization: A servo gearbox is used to synchronize the motion of a servo motor with the intended motion of a mechanical system. It ensures that the motor’s rotational output is accurately transmitted to the driven component.

Speed and Position Control: Servo gearboxes enable precise control over speed and position by converting the high-speed, low-torque output of a servo motor into a lower-speed, higher-torque output suitable for the specific application.

Reduction Ratio: The servo gearbox incorporates reduction stages to achieve the desired reduction ratio. This reduction allows the motor to provide higher torque while maintaining accurate speed control.

Backlash Minimization: High-precision servo gearboxes are designed to minimize backlash, which is the lost motion between input and output shafts. This is critical for accurate and responsive motion control.

High Efficiency: Servo gearboxes are designed for high efficiency to ensure that the majority of input power is effectively transferred to the output, reducing energy consumption.

Dynamic Response: Servo gearboxes enhance the dynamic response of motion control systems. They allow the servo motor to quickly start, stop, and change directions with minimal overshooting or oscillations.

Positioning Accuracy: By accurately converting the motor’s rotation into precise linear or angular movement, servo gearboxes ensure high positioning accuracy required in applications such as robotics, CNC machines, and automation systems.

Load Distribution: Servo gearboxes distribute the load evenly across gear teeth, enhancing the gearbox’s durability and minimizing wear.

Customization: Servo gearboxes are available in various sizes, reduction ratios, and configurations to suit different application requirements.

Overall, a servo gearbox is an integral component in motion control systems, allowing precise and efficient control over motion, speed, and position for a wide range of industrial applications.

China Standard Desboer Nfr140 Series Right Angle High Precision High Torque Low Backlash Planetary Gearbox for Servo Motor and Stepper Motor   gearbox design		China Standard Desboer Nfr140 Series Right Angle High Precision High Torque Low Backlash Planetary Gearbox for Servo Motor and Stepper Motor   gearbox design
editor by CX 2024-03-29