Product Description
Newgear High Torque Planetary Gearbox For 750W Servo Motor
Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.
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.Hole output structure,easy installation.
2.Straight tooth drive ,single cantilever structure.simple design,economic price.
3.Working steady. Low noise..
4.Backlash 8-16 arcmin. 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.
| Specifications | PFN60 | PFN80 | PFN90 | PFN120 | PFN160 | |||
| Technal Parameters | ||||||||
| Max. Torque | Nm | 1.5times rated torque | ||||||
| Emergency Stop Torque | Nm | 2.5times rated torque | ||||||
| Max. Radial Load | N | 240 | 400 | 450 | 1240 | 2250 | ||
| Max. Axial Load | N | 220 | 420 | 430 | 1000 | 1500 | ||
| Torsional Rigidity | Nm/arcmin | 1.8 | 4.7 | 4.85 | 11 | 35 | ||
| Max.Input Speed | rpm | 8000 | 6000 | 6000 | 6000 | 4000 | ||
| Rated Input Speed | rpm | 4000 | 3500 | 3500 | 3500 | 3000 | ||
| Noise | dB | ≤58 | ≤60 | ≤60 | ≤65 | ≤70 | ||
| Average Life Time | h | 20000 | ||||||
| Efficiency Of Full Load | % | L1≥96% L2≥94% | ||||||
| Return Backlash | P1 | L1 | arcmin | ≤8 | ≤8 | ≤8 | ≤8 | ≤8 |
| L2 | arcmin | ≤12 | ≤12 | ≤12 | ≤12 | ≤12 | ||
| P2 | L1 | arcmin | ≤16 | ≤16 | ≤16 | ≤16 | ≤16 | |
| L2 | arcmin | ≤20 | ≤20 | ≤20 | ≤20 | ≤20 | ||
| Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 |
| 4 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 5 | Kg*cm2 | 0.46 | 0.77 | 1.73 | 12.78 | 36.72 | ||
| 7 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| 10 | Kg*cm2 | 0.41 | 0.65 | 1.42 | 11.38 | 34.02 | ||
| L2 | 12 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | |
| 15 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 16 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 20 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 25 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 28 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 30 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 35 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 40 | Kg*cm2 | 0.44 | 0.72 | 1.49 | 12.18 | 34.24 | ||
| 50 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 70 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| 100 | Kg*cm2 | 0.34 | 0.58 | 1.25 | 11.48 | 34.02 | ||
| Technical Parameter | Level | Ratio | PFN60 | PFN80 | PFN90 | PFN120 | PFN160 | |
| Rated Torque | L1 | 3 | Nm | 27 | 50 | 96 | 161 | 364 |
| 4 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 5 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 7 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 10 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| L2 | 12 | Nm | 27 | 50 | 96 | 161 | 364 | |
| 15 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 16 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 20 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 25 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 28 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 30 | Nm | 27 | 50 | 96 | 161 | 364 | ||
| 35 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 40 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 50 | Nm | 40 | 90 | 122 | 210 | 423 | ||
| 70 | Nm | 34 | 48 | 95 | 170 | 358 | ||
| 100 | Nm | 16 | 22 | 56 | 86 | 210 | ||
| Degree Of Protection | IP65 | |||||||
| Operation Temprature | ºC | – 10ºC to -90ºC | ||||||
| Weight | L1 | kg | 0.95 | 2.27 | 3.06 | 6.93 | 15.5 | |
| L2 | kg | 1.2 | 2.8 | 3.86 | 8.98 | 17 | ||
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: | Industrial, Spring Machinery |
|---|---|
| Operating Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Protection Type |
| Type: | Spur Gear |
| Certification: | ISO9001 |
| Samples: |
US$ 135/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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.
Variations in Servo Gearbox Designs
Servo gearboxes come in various designs to meet different torque and speed requirements:
In-Line: In-line servo gearboxes have the input and output shafts aligned in a straight line. These gearboxes are compact and well-suited for applications where space is limited. They can handle a range of torque and speed requirements, making them versatile for various motion control tasks.
Right-Angle: Right-angle servo gearboxes have the input and output shafts oriented at a 90-degree angle. These gearboxes are used when the input and output directions need to change direction, such as in applications with limited space or when the motion needs to be redirected.
Planetary: Planetary servo gearboxes use a planetary gear arrangement to achieve high torque density and compactness. They are suitable for applications requiring high torque transmission with minimal backlash. Planetary gearboxes are commonly used in robotics, CNC machines, and industrial automation.
Harmonic Drive: Harmonic drive servo gearboxes utilize a flexible spline and a wave generator to achieve high gear reduction ratios while maintaining compact size. They offer exceptional accuracy and are often used in applications requiring precise positioning, such as telescope mounts and semiconductor manufacturing equipment.
Helical: Helical servo gearboxes use helical gear teeth to achieve smooth and quiet operation. They are well-suited for applications that require low noise levels and high efficiency. Helical gearboxes are used in various industries, including packaging, printing, and medical devices.
Custom Designs: Some servo gearboxes are custom-designed to meet specific requirements of unique applications. These designs may involve modifications in gear ratios, housing materials, and sealing to ensure optimal performance in specialized tasks.
The choice of servo gearbox design depends on factors such as the required torque, speed, space constraints, efficiency, and precision. Manufacturers offer a range of options to cater to the diverse needs of motion control systems in different industries.
editor by CX 2024-05-16