Product Description
Newgear Ratio 100:1 Spur Gear Low Backlash Planetary Gears Reducer
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 Parameters
1.Spiral bevel gear reversing mechanism to realize right angle steering output;
2.The installation distance of spiral bevel gear pair is adjustable and the working sound is lower;
3.Grinding bevel gear can be selected,and the working sound is more stable and quiet;
4.Integrated structure,high precision,high rigidity;
5.Double support case planet carrier structure,high reliable,suitable for high-speed frequent and reverse rotation;
6.With axial clearance adjustment function;
7.Collet type locking design,higher coaxiality of motor installtion;
8.Helical gear transmission ,low backlash,more accurate positioning;
9.Size range:60-120mm;
10.Ratio range:3-100;
11.Precision range:3-5arcmin (P1);5-8arcmin (P2)
| 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
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
| Application: | Industrial |
|---|---|
| Speed: | Low Speed |
| Function: | Driving |
| Casing Protection: | Closed Type |
| Number of Poles: | 2 |
| Starting Mode: | Direct on-line Starting |
| Samples: |
US$ 370/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.

Can gear reducers be used for both speed reduction and speed increase?
Yes, gear reducers can be utilized for both speed reduction and speed increase, depending on their design and arrangement. The functionality to either decrease or increase rotational speed is achieved by altering the arrangement of gears within the gearbox.
1. Speed Reduction: In speed reduction applications, a gear reducer is designed with gears of different sizes. The input shaft connects to a larger gear, while the output shaft is connected to a smaller gear. As the input shaft rotates, the larger gear turns the smaller gear, resulting in a decrease in output speed compared to the input speed. This configuration provides higher torque output at a lower speed, making it suitable for applications that require increased force or torque.
2. Speed Increase: For speed increase, the gear arrangement is reversed. The input shaft connects to a smaller gear, while the output shaft is connected to a larger gear. As the input shaft rotates, the smaller gear drives the larger gear, resulting in an increase in output speed compared to the input speed. However, the torque output is lower than that of speed reduction configurations.
By choosing the appropriate gear ratios and arrangement, gear reducers can be customized to meet specific speed and torque requirements for various industrial applications. It’s important to select the right type of gear reducer and configure it correctly to achieve the desired speed reduction or speed increase.

Function of Gear Reducers in Mechanical Systems
A gear reducer, also known as a gear reduction unit or gearbox, is a mechanical device designed to reduce the speed of an input shaft while increasing its torque output. It accomplishes this through the use of a set of interlocking gears with different sizes.
The primary function of a gear reducer in mechanical systems is to:
- Speed Reduction: The gear reducer takes the high-speed rotation of the input shaft and transmits it to the output shaft through a set of gears. The gears are configured in such a way that the output gear has a larger diameter than the input gear. As a result, the output shaft rotates at a lower speed than the input shaft, but with increased torque.
- Torque Increase: Due to the size difference between the input and output gears, the torque applied to the output shaft is greater than that of the input shaft. This torque multiplication allows the system to handle heavier loads and perform tasks requiring higher force.
Gear reducers are widely used in various industries and applications where it’s necessary to adapt the speed and torque characteristics of a power source to meet the requirements of the driven equipment. They can be found in machinery such as conveyor systems, industrial machinery, vehicles, and more.


editor by CX 2023-10-18
China Custom Spur Gear Harmonic Drive Industry Robots High Precision Harmonic Drive Gear Speed Reducer components of gearbox
Product Description
Surface treatment for CNC Machining part:
| 1 | Zinc/nickel/chrome plating |
| 2 | hot galvanized |
| 3 | painting |
| 4 | powder coating |
| 5 | Anodize Oxidation, or with colors: like silver, blue, red, etc. |
| 6 | plating, silver-plated, Gold-plated, etc |
| 7 | polishing |
| 8 | electrolytic polishing |
| 9 | sank without electricity nickel |
| etc | etc. |
HangZhou CHINAMFG Machinery Co., Ltd. is located in HangZhou, HangZhou. Based on the advantages
of specialized talents, it has formed 4 professional project sections with excellent technical
equipment, sound quality assurance system and standardized production environment:
mechanical processing, sheet metal stamping production, Mold manufacturing, high-speed
rice transplanter, with the high recognition of the majority of mature customers, cast the
“Xin Rifeng” brand in the industry’s CHINAMFG position, and strive to build an intelligent
manufacturing service system.
It is people-oriented, Difeng people focus on the production of high-quality rice transplanter
planting department with high quality and advanced technology, all kinds of mold design, R&D
and manufacturing required for sheet metal stamping; at the same time, develop continuous
die and welding.
We always adhere to the customer’s position to solve the problem, the product to achieve
process optimization, reduce costs, and continue to reduce materials for the purpose, so for the
domestic major Asian high-speed main engine factory and high-speed rice transplanter market,
some products are sold to Pakistan, Vietnam, Countries and regions such as India. It has
successively become an excellent supplier of domestic famous enterprises such as Japanese Y
anmar, Japan Kubota, Nideko Electric, Hailiwei and ZheJiang Xihu (West Lake) Dis.. The company has
successively obtained the “HangZhou Small and Medium-sized Specialized Special New Product
(Technology) Certificate” and “ISO9001 Quality Certification” and successfully registered the
“Xin Rifeng” trademark.
| High-quality equipment is the guarantee of product processing quality and capability. Our company always pays attention to the latest technology in mechanical processing and sheet metal stamping. It assembles advanced equipment and testing equipment according to market trends. CNC machine tools all use large-scale numerical control equipment imported from ZheJiang . Keep up with the pace of the times and stay ahead of the industry. |
FAQ
Q1. Are you a factory or a trading company?
We are a factory, welcome to visit our factory.
Q2. What kind of production services do you provide?
Mold manufacturing, die casting, CNC machining, stamping, injection molding, assembly and surface
treatment.
Q3. What’s the delivery date?
Mold: 3-5 weeks
Mass production: 3-4 weeks
Q4. How is your quality?
♦We have obtained ISO9001:2015 and IATF16949 certificates.
♦Once the sample is passed, we will make the operating instructions.
♦We will check the products 100% before shipment.
Q5. How long will it take for us to get a quotation?
After receiving the detailed information (your 2D/3D drawings or samples), we will quote you within
2 days.
Q6. What are the elements of your quotation?
Drawings or samples, materials, surface treatment and quantity.
Q7. What are your payment terms?
Mold: 50% prepaid, the balance after sample approval.
Goods: 50% prepaid, balance T/T before shipment.
| Condition: | New |
|---|---|
| Certification: | CE, ISO9001 |
| Standard: | ASTM, GB, ANSI |
| Customized: | Customized |
| Material: | Custom Made |
| Application: | Metal Recycling Machine, Metal Cutting Machine, Metal Straightening Machinery, Metal Spinning Machinery, Metal Processing Machinery Parts, Metal forging Machinery, Metal Engraving Machinery, Metal Drawing Machinery, Metal Coating Machinery, Metal Casting Machinery |
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How do manufacturers ensure the precision of gear tooth profiles in gear reducers?
Manufacturers employ several techniques to ensure the precision of gear tooth profiles in gear reducers, which is crucial for optimal performance and efficiency:
1. Precision Machining: Gear teeth are typically machined using advanced CNC (Computer Numerical Control) machines that can achieve high levels of accuracy and repeatability. This ensures consistent gear tooth profiles across multiple components.
2. Quality Control Measures: Rigorous quality control processes, such as dimensional inspections and profile measurements, are performed at various stages of manufacturing to verify that gear tooth profiles meet the required specifications.
3. Tooth Profile Design: Engineers use specialized software and simulation tools to design gear tooth profiles with precise involute shapes and accurate dimensions. These designs are then translated into machine instructions for manufacturing.
4. Material Selection: High-quality materials with excellent wear resistance and dimensional stability are chosen to minimize the potential for deformation or inaccuracies during machining and operation.
5. Heat Treatment: Heat treatment processes, such as carburizing and quenching, are applied to enhance the surface hardness and durability of gear teeth, reducing the risk of wear and deformation over time.
6. Tooth Grinding and Finishing: After initial machining, gear teeth often undergo precision grinding and finishing processes to achieve the desired tooth profile accuracy and surface finish.
7. Post-Processing Inspection: Gear tooth profiles are inspected again after manufacturing processes to verify that the final components meet the specified tolerances and performance criteria.
8. Computer-Aided Manufacturing (CAM): CAM software is used to generate tool paths and machining instructions, enabling precise control over tool movements and material removal during gear manufacturing.
By combining these techniques and leveraging advanced manufacturing technologies, manufacturers can achieve the necessary precision in gear tooth profiles, resulting in reliable and efficient gear reducers for various industrial applications.

How do gear reducers handle shock loads and sudden changes in torque?
Gear reducers are designed to handle shock loads and sudden changes in torque through several mechanisms that enhance their durability and reliability in challenging operating conditions.
1. Robust Construction: Gear reducers are constructed using high-strength materials and precision manufacturing techniques. This ensures that the gears, bearings, and other components can withstand sudden impacts and high torque fluctuations without deformation or failure.
2. Shock-Absorbing Features: Some gear reducer designs incorporate shock-absorbing features, such as flexible couplings, elastomeric elements, or torsionally flexible gear designs. These features help dampen and dissipate the energy from sudden shocks or torque spikes, reducing the impact on the entire system.
3. Torque Limiters: In applications where shock loads are common, torque limiters may be integrated into the gear reducer. These devices automatically disengage or slip when a certain torque threshold is exceeded, preventing damage to the gears and other components.
4. Overload Protection: Gear reducers can be equipped with overload protection mechanisms, such as shear pins or torque sensors. These mechanisms detect excessive torque and disengage the drive temporarily, allowing the system to absorb the shock or adjust to the sudden torque change.
5. Proper Lubrication: Adequate lubrication is essential for managing shock loads and sudden torque changes. High-quality lubricants reduce friction and wear, helping the gear reducer withstand dynamic forces and maintain smooth operation.
6. Dynamic Load Distribution: Gear reducers distribute dynamic loads across multiple gear teeth, which helps prevent localized stress concentrations. This feature minimizes the risk of tooth breakage and gear damage when subjected to sudden changes in torque.
By incorporating these design features and mechanisms, gear reducers can effectively handle shock loads and sudden changes in torque, ensuring the longevity and reliability of various industrial and mechanical systems.

Can you explain the different types of gear reducers available in the market?
There are several types of gear reducers commonly used in industrial applications:
1. Spur Gear Reducers: These reducers have straight teeth and are cost-effective for applications requiring moderate torque and speed reduction. They are efficient but may produce more noise compared to other types.
2. Helical Gear Reducers: Helical gears have angled teeth, which provide smoother and quieter operation compared to spur gears. They offer higher torque capacities and are suitable for heavy-duty applications.
3. Bevel Gear Reducers: Bevel gears have conical shapes and intersect at an angle, allowing them to transmit power between non-parallel shafts. They are commonly used in applications where shafts intersect at 90 degrees.
4. Worm Gear Reducers: Worm gears consist of a worm (screw) and a mating gear (worm wheel). They offer high torque reduction and are used for applications requiring high ratios, although they can be less efficient.
5. Planetary Gear Reducers: These reducers use a system of planetary gears to achieve high torque output in a compact design. They provide excellent torque multiplication and are commonly used in robotics and automation.
6. Cycloidal Gear Reducers: Cycloidal drives use an eccentric cam to achieve speed reduction. They offer high shock load resistance and are suitable for applications with frequent starting and stopping.
7. Harmonic Drive Reducers: Harmonic drives use a flexible spline to achieve high gear reduction ratios. They provide high precision and are commonly used in applications requiring accurate positioning.
8. Hypoid Gear Reducers: Hypoid gears have helical teeth and non-intersecting shafts, making them suitable for applications with space limitations. They offer high torque and efficiency.
Each type of gear reducer has its own advantages and limitations, and the choice depends on factors such as torque requirements, speed ratios, noise levels, space constraints, and application-specific needs.


editor by CX 2023-09-25
China manufacturer 120mm Spur Gear Planetary Speed Transmission Gearboxes for 1500W Servo Motor with Best Sales
Product Description
120mm Spur Gear Planetary Speed Transmission Gearboxes for 1500W Servo Motor
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.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 | 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: 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
| Application: | Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Single-Step |
| Samples: |
US$ 192/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|


editor by CX 2023-09-04
China Best Sales Factory Manufacture Plant Involute Spur Worm R Series Speed Helical Bevel Gear Reducer Planetary Gear Boxes gearbox adjustment
Product Description
R Series Helical Gear Electric Motor Speed Reducer with 220V geared motor
R Series Rigid Tooth Flank Helical Gear Reducer
Small size, light weight, large transmission torque, superior performance, stable
operation, low noise, durable, can be installed in a variety of ways, can be matched with different types of motors, a wide range
of applications. Optional vertical flange installation, commonly used in mixing equipment.
Please tell me the ratio, input power and output torque.
I will help you to confirm the specific model.
|
1,Motor |
2,Bolt |
3,Washer |
|
4,Lifting ring |
5,Cap Screw |
6,Vent Cap |
|
7,Cover |
8,Sealing shim |
9,Parallel Key |
|
10,Output shaft |
11,Parallel Key |
12,Circlip for hole |
|
13,Skeleton oil seal |
14,Gear |
15,Bearing sleeve |
|
16,Bear |
17,Parallel Key |
18,Gear |
|
19,Plane Oil Seal |
20,Circlip for hole |
21,Gear |
|
22,Gear Shaft |
23,Plane Oil Seal |
24,Circlip for hole |
|
25,Bearing |
26,Gear Shaft |
27,Parallel Key |
|
28,Bearing |
29,Gear |
30,Bearing |
|
31,Circlip for hole |
32,Bearing sleeve |
33,Bearing |
|
34,Bearing |
35,Circlip for shaft |
36,Plug cock |
|
37,Oil mirror |
38,Case |
39,Circlip for shaft |
|
40,Gear |
|
|
|
Series: |
R Series Helical Gear Reducer |
|
Specifications: |
17,27,37,47,57,67,77,87,97,107,137,147,167,177 |
|
Transmission Ratio: |
1.3~289.74 |
|
Input Power (KW): |
0.12~160 |
|
Output Torque (N.m): |
3.5~23200 |
Product Description
R Series reducers are designed and manufactured on the basis of modular combination system.
There are a lot of motor combinations, installation forms and structural schemes. The transmission
ratio is classified and fine to meet different operating conditions, and the performance is superior.
Reinforced high rigid cast iron box; The hardened gear is made of high-quality alloy steel. Its surface
is carburized, quenched and hardened, and the gear is finely ground. It has stable transmission, low
noise, and large bearing capacity. Low temperature rise, long service life. It is widely used in metallurgy,
Detailed Photos
Company Profile
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Cylindrical Gear |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|


editor by CX 2023-08-23
China Best Sales Hardened Tooth Surface Good Service Precision marine rotary tiller Spur Gear Planetary Gearbox comer gearbox
Product Description
Detailed Photos
Product Parameters
Note : It’s just the typical technical data for you reference, The specification such as voltage, speed, torque, shaft can be customized by your needs. Please contact us for more details. Thanks.
Company Profile
FAQ
Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
Q: How to select a suitable motor?
A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
Q: Do you have an individual design service for motors?
A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge.
Q: What’s your lead time?
A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
Please contact us if you have detailed requests, thank you !
| Application: | Motor, Machinery |
|---|---|
| Function: | Speed Changing, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Three-Step |
| Customization: |
Available
| Customized Request |
|---|

Key Market Insights Related to Worm Reduction Gearboxes
A gearbox is a mechanical device that allows you to shift between different speeds or gears. It does so by using one or more clutches. Some gearboxes are single-clutch, while others use two clutches. You can even find a gearbox with closed bladders. These are also known as dual clutches and can shift gears more quickly than other types. Performance cars are designed with these types of gearboxes.
Backlash measurement
Gearbox backlash is a common component that can cause noise or other problems in a car. In fact, the beats and sets of gears in a gearbox are often excited by the oscillations of the engine torque. Noise from gearboxes can be significant, particularly in secondary shafts that engage output gears with a differential ring. To measure backlash and other dimensional variations, an operator can periodically take the output shaft’s motion and compare it to a known value.
A comparator measures the angular displacement between two gears and displays the results. In one method, a secondary shaft is disengaged from the gearbox and a control gauge is attached to its end. A threaded pin is used to secure the differential crown to the secondary shaft. The output pinion is engaged with the differential ring with the aid of a control gauge. The angular displacement of the secondary shaft is then measured by using the dimensions of the output pinion.
Backlash measurements are important to ensure the smooth rotation of meshed gears. There are various types of backlash, which are classified according to the type of gear used. The first type is called circumferential backlash, which is the length of the pitch circle around which the gear rotates to make contact. The second type, angular backlash, is defined as the maximum angle of movement between two meshed gears, which allows the other gear to move when the other gear is stationary.
The backlash measurement for gearbox is one of the most important tests in the manufacturing process. It is a criterion of tightness or looseness in a gear set, and too much backlash can jam a gear set, causing it to interface on the weaker part of its gear teeth. When backlash is too tight, it can lead to gears jamming under thermal expansion. On the other hand, too much backlash is bad for performance.
Worm reduction gearboxes
Worm reduction gearboxes are used in the production of many different kinds of machines, including steel and power plants. They are also used extensively in the sugar and paper industries. The company is constantly aiming to improve their products and services to remain competitive in the global marketplace. The following is a summary of key market insights related to this type of gearbox. This report will help you make informed business decisions. Read on to learn more about the advantages of this type of gearbox.
Compared to conventional gear sets, worm reduction gearboxes have few disadvantages. Worm gear reducers are commonly available and manufacturers have standardized their mounting dimensions. There are no unique requirements for shaft length, height, and diameter. This makes them a very versatile piece of equipment. You can choose to use one or combine several worm gear reducers to fit your specific application. And because they have standardized ratios, you will not have to worry about matching up multiple gears and determining which ones fit.
One of the primary disadvantages of worm reduction gearboxes is their reduced efficiency. Worm reduction gearboxes usually have a maximum reduction ratio of five to sixty. The higher-performance hypoid gears have an output speed of around ten to twelve revolutions. In these cases, the reduced ratios are lower than those with conventional gearing. Worm reduction gearboxes are generally more efficient than hypoid gear sets, but they still have a low efficiency.
The worm reduction gearboxes have many advantages over traditional gearboxes. They are simple to maintain and can work in a range of different applications. Because of their reduced speed, they are perfect for conveyor belt systems.
Worm reduction gearboxes with closed bladders
The worm and the gear mesh with each other in a combination of sliding and rolling movements. This sliding action is dominant at high reduction ratios, and the worm and gear are made of dissimilar metals, which results in friction and heat. This limits the efficiency of worm gears to around thirty to fifty percent. A softer material for the gear can be used to absorb shock loads during operation.
A normal gear changes its output independently once a sufficient load is applied. However, the backstop complicates the gear configuration. Worm gears require lubrication because of the sliding wear and friction introduced during movement. A common gear arrangement moves power at the peak load section of a tooth. The sliding happens at low speeds on either side of the apex and occurs at a low velocity.
Single-reduction gearboxes with closed bladders may not require a drain plug. The reservoir for a worm gear reducer is designed so that the gears are in constant contact with lubricant. However, the closed bladders will cause the worm gear to wear out more quickly, which can cause premature wear and increased energy consumption. In this case, the gears can be replaced.
Worm gears are commonly used for speed reduction applications. Unlike conventional gear sets, worm gears have higher reduction ratios. The number of gear teeth in the worm reduces the speed of a particular motor by a substantial amount. This makes worm gears an attractive option for hoisting applications. In addition to their increased efficiency, worm gears are compact and less prone to mechanical failure.
Shaft arrangement of a gearbox
The ray-diagram of a gearbox shows the arrangement of gears in the various shafts of the transmission. It also shows how the transmission produces different output speeds from a single speed. The ratios that represent the speed of the spindle are called the step ratio and the progression. A French engineer named Charles Renard introduced five basic series of gearbox speeds. The first series is the gear ratio and the second series is the reverse gear ratio.
The layout of the gear axle system in a gearbox relates to its speed ratio. In general, the speed ratio and the centre distance are coupled by the gear axles to form an efficient transmission. Other factors that may affect the layout of the gear axles include space constraints, the axial dimension, and the stressed equilibrium. In October 2009, the inventors of a manual transmission disclosed the invention as No. 2. These gears can be used to realize accurate gear ratios.
The input shaft 4 in the gear housing 16 is arranged radially with the gearbox output shaft. It drives the lubricating oil pump 2. The pump draws oil from a filter and container 21. It then delivers the lubricating oil into the rotation chamber 3. The chamber extends along the longitudinal direction of the gearbox input shaft 4, and it expands to its maximum diameter. The chamber is relatively large, due to a detent 43.
Different configurations of gearboxes are based on their mounting. The mounting of gearboxes to the driven equipment dictates the arrangement of shafts in the gearbox. In certain cases, space constraints also affect the shaft arrangement. This is the reason why the input shaft in a gearbox may be offset horizontally or vertically. However, the input shaft is hollow, so that it can be connected to lead through lines or clamping sets.
Mounting of a gearbox
In the mathematical model of a gearbox, the mounting is defined as the relationship between the input and output shafts. This is also known as the Rotational Mount. It is one of the most popular types of models used for drivetrain simulation. This model is a simplified form of the rotational mount, which can be used in a reduced drivetrain model with physical parameters. The parameters that define the rotational mount are the TaiOut and TaiIn of the input and output shaft. The Rotational Mount is used to model torques between these two shafts.
The proper mounting of a gearbox is crucial for the performance of the machine. If the gearbox is not aligned properly, it may result in excessive stress and wear. It may also result in malfunctioning of the associated device. Improper mounting also increases the chances of the gearbox overheating or failing to transfer torque. It is essential to ensure that you check the mounting tolerance of a gearbox before installing it in a vehicle.


editor by CX 2023-05-18