China Hot selling High Torque Low Backlash 120mm 1500W Servo Motor Planetary Gearbox gearbox adjustment

Product Description

High Torque Low Backlash 120MM 1500W Servo Motor Planetary Gearbox

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

Description:
(1).The output shaft is made of large size,large span double bearing design,output shaft and planetary arm bracket as a whole.The input shaft is placed directly on the planet arm bracket to ensure that the reducer has high operating accuracy and maximum torsional rigidity.
(2).Shell and the inner ring gear used integrated design,quenching and tempering after the processing of the teeth so that it can achieve high torque,high precision,high wear resistance.Moreover surface nickel-plated anti-rust treatment,so that its corrosion resistance greatly enhanced.
(3).The planetary gear transmission employs full needle roller without retainer to increase the contact surface,which greatly upgrades structural rigidity and service life.
(4).The gear is made of Japanese imported material. After the metal cutting process, the vacuum carburizing heat treatment to 58-62HRC. And then by the hobbing,Get the best tooth shape,tooth direction,to ensure that the gear of high precision and good impact toughness.
(5).Input shaft and sun gear integrated structure,in order to improve the operation accuracy of the reducer.
Characteristics:
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:8-16arcmin
12.Size range:60-120mm

Specifications PVFN60 PVFN90 PVFN120
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 240 450 1240
Max. Axial Load N 220 430 1000
Torsional Rigidity Nm/arcmin 1.8 4.85 11
Max.Input Speed rpm 8000 6000 6000
Rated Input Speed rpm 4000 3500 3500
Noise dB ≤58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥92%
Return Backlash P1 L1 arcmin ≤8 ≤8 ≤8
L2 arcmin ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 0.46 1.73 12.78
4 Kg*cm2 0.46 1.73 12.78
5 Kg*cm2 0.46 1.73 12.78
7 Kg*cm2 0.41 1.42 11.38
10 Kg*cm2 0.41 1.42 11.38
L2 12 Kg*cm2 0.44 1.49 12.18
15 Kg*cm2 0.44 1.49 12.18
16 Kg*cm2 0.72 1.49 12.18
20 Kg*cm2 0.44 1.49 12.18
25 Kg*cm2 0.44 1.49 12.18
28 Kg*cm2 0.44 1.49 12.18
30 Kg*cm2 0.44 1.49 12.18
35 Kg*cm2 0.44 1.49 12.18
40 Kg*cm2 0.44 1.49 12.18
50 Kg*cm2 0.34 1.25 11.48
70 Kg*cm2 0.34 1.25 11.48
100 Kg*cm2 0.34 1.25 11.48
Technical Parameter Level Ratio   PVFN60 PVFN90 PVFN120
Rated Torque L1 3 Nm 27 96 161
4 Nm 40 122 210
5 Nm 40 122 210
7 Nm 34 95 170
10 Nm 16 56 86
L2 12 Nm 27 96 161
15 Nm 27 96 161
16 Nm 40 122 210
20 Nm 40 122 210
25 Nm 40 122 210
28 Nm 40 122 210
30 Nm 27 96 161
35 Nm 40 122 210
40 Nm 40 122 210
50 Nm 40 122 210
70 Nm 34 95 170
100 Nm 16 56 86
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 1.7 4.4 12
L2 kg 1.9 5 14

Company Profile

Packaging & Shipping

1. Lead time: 10-15 days as usual, 30 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: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, CNC Equipment
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Spur Gear
Step: Single-Step
Samples:
US$ 192/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

servo gearbox

Handling Backlash and Ensuring Precise Positioning in Servo Gearboxes

Servo gearboxes play a critical role in minimizing backlash and ensuring precise positioning in motion control systems:

1. Reduced Backlash Gearing: Many servo gearboxes utilize reduced backlash gearing technology. This involves designing gears with tighter tolerances and improved meshing profiles, resulting in minimal play between gear teeth. This reduces or eliminates backlash, which is essential for accurate motion control.

2. Preloading: Some servo gearboxes employ preloading mechanisms to remove any gaps between gears. By applying a controlled axial load to the gears, the meshing teeth remain in constant contact, eliminating backlash and enhancing precision.

3. Stiffness and Rigidity: Servo gearboxes are designed to be stiff and rigid, which helps minimize elastic deformation under load. This stiffness prevents gear teeth from deflecting, reducing the potential for backlash and maintaining accurate positioning.

4. High Gear Meshing Quality: The manufacturing process of servo gearboxes focuses on producing high-quality gears with precise tooth profiles and minimal manufacturing variations. This ensures consistent and smooth gear meshing, minimizing the likelihood of backlash.

5. Closed-Loop Control: Combining servo gearboxes with closed-loop control systems allows for real-time feedback on position and speed. Any deviation from the desired position can be quickly corrected by adjusting the motor’s output, compensating for any inherent backlash and ensuring precise positioning.

6. Advanced Gear Coatings: Some servo gearboxes incorporate advanced gear coatings or treatments that improve the meshing characteristics and reduce friction. This contributes to smoother gear engagement and minimizes backlash effects.

7. Inertia Matching: Properly matching the inertia of the load to the servo motor and gearbox combination reduces the likelihood of overshooting or oscillations during positioning. Accurate inertia matching enhances the control system’s ability to maintain precise positioning.

Servo gearboxes’ ability to handle backlash and ensure precise positioning is crucial for applications that require high accuracy, such as robotics, CNC machines, and automated manufacturing processes. By employing advanced design techniques and technologies, servo gearboxes contribute to achieving repeatable and accurate motion control.

servo gearbox

Precision of Gear Tooth Profiles in Servo Gearboxes

Manufacturers take several measures to ensure the precision of gear tooth profiles in servo gearboxes:

1. Advanced Manufacturing Processes: Manufacturers use advanced machining techniques such as CNC (Computer Numerical Control) machining and grinding to achieve high precision in gear tooth profiles. These processes allow for accurate shaping and finishing of the gear teeth.

2. Quality Materials: High-quality materials with consistent properties are selected for manufacturing gear components. This ensures uniformity in the gear teeth and minimizes variations that could affect precision.

3. Tight Tolerances: Manufacturers set tight tolerances for gear tooth dimensions, including pitch, profile, and helix angle. This helps to maintain precise engagement between gear teeth, reducing backlash and ensuring accurate motion control.

4. Quality Control: Rigorous quality control measures are implemented at various stages of the manufacturing process. This includes inspections, measurements, and tests to verify that gear tooth profiles meet the required specifications.

5. CNC Gear Inspection: Manufacturers use CNC gear inspection machines that can measure and analyze gear tooth profiles with high accuracy. These machines generate detailed reports about tooth geometry, ensuring compliance with design specifications.

6. Computer-Aided Design (CAD) and Simulation: Manufacturers use CAD software to design gear tooth profiles with precision. Simulation tools analyze how different factors, such as material properties and manufacturing processes, affect the final gear tooth shape.

7. Profile Corrections: In some cases, manufacturers apply profile corrections to optimize gear tooth profiles. These corrections compensate for any deviations that may occur during the manufacturing process.

8. Feedback from Application: Manufacturers often collaborate closely with end-users to gather feedback on the performance of gearboxes in real-world applications. This feedback helps refine the manufacturing process and improve the precision of gear tooth profiles.

The combination of advanced manufacturing techniques, strict quality control, and continuous improvement processes ensures that servo gearboxes maintain the precision required for accurate motion control in various applications.

servo gearbox

Contribution to High Accuracy and Repeatability

Servo gearboxes play a crucial role in achieving high accuracy and repeatability in motion control systems:

Precise Positioning: Servo gearboxes are designed to deliver precise angular displacement, allowing machines to accurately reach specific positions and orientations. This accuracy is vital in applications like robotic arms, CNC machines, and medical devices.

Low Backlash: Servo gearboxes are engineered to minimize backlash, which is the amount of play or lost motion between gear teeth. Low backlash ensures that any change in input direction is immediately translated into an accurate output movement, reducing errors and deviations.

High Torque Transmission: Servo gearboxes are capable of transmitting high torque with minimal energy loss. This enables precise control of rotational forces, ensuring that the output movement corresponds precisely to the input command.

Dynamic Response: Servo gearboxes exhibit rapid and accurate response to input signals. This responsiveness is crucial for applications requiring quick changes in motion, such as industrial robots, where rapid and precise movement is necessary for tasks like pick-and-place operations.

Feedback Systems: Servo systems often incorporate feedback devices like encoders and resolvers. These devices provide real-time information about the actual position, speed, and direction of the output shaft. The feedback data allows the servo controller to make continuous adjustments, resulting in accurate positioning and motion control.

Closed-Loop Control: Many servo systems operate in a closed-loop control configuration. In this setup, the controller continuously compares the desired position with the actual position using feedback data and makes corrections as needed. This closed-loop approach ensures that any errors or disturbances are quickly corrected, maintaining accuracy over time.

High-Resolution Encoders: Servo gearboxes often use high-resolution encoders that provide fine position feedback, enabling precise control of movements down to fractions of a degree. This level of resolution contributes to high accuracy in positioning.

Overall, servo gearboxes contribute to achieving high accuracy and repeatability by combining precision design, low backlash, responsive control, and feedback mechanisms. These characteristics make them essential components in applications where precise and repeatable motion is required.

China Hot selling High Torque Low Backlash 120mm 1500W Servo Motor Planetary Gearbox   gearbox adjustment	China Hot selling High Torque Low Backlash 120mm 1500W Servo Motor Planetary Gearbox   gearbox adjustment
editor by CX 2024-05-15