China OEM High Precision Ratio 28: 1 Transmission Planetary Speed Reducer Gear Boxes gearbox engine

Product Description

High Precision Ratio 28:1 Transmission Planetary Speed Reducer 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 Parameters

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: Industrial
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
Starting Mode: Direct on-line Starting
Samples:
US$ 295/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

speed reducer gearbox

Considerations for Choosing Lubrication for Speed Reducer Gearboxes

Choosing the right lubrication for speed reducer gearboxes is crucial to ensure optimal performance, longevity, and efficiency. Several factors should be taken into account when making this decision:

  • Operating Conditions: Consider the temperature range, load, and speed at which the gearbox operates. Extreme temperatures or heavy loads may require specialized lubricants.
  • Lubricant Type: Choose between oil and grease lubrication. Oil provides better heat dissipation and is suitable for high-speed applications, while grease offers better sealing and is ideal for applications with frequent starts and stops.
  • Viscosity: Select the appropriate viscosity grade of lubricant based on the operating conditions. Higher viscosity is generally preferred for heavy loads and high temperatures.
  • Additives: Some applications may require lubricants with specific additives, such as anti-wear additives, extreme pressure additives, or corrosion inhibitors, to enhance performance and protection.
  • Sealing and Contamination: Consider the effectiveness of sealing mechanisms to prevent contamination from dust, water, and other particles. Proper sealing helps extend the lubricant’s lifespan.
  • Compatibility: Ensure that the selected lubricant is compatible with the materials used in the gearbox construction, including seals, gaskets, and gear materials.
  • Re-Lubrication Intervals: Determine how frequently re-lubrication is required. Some applications may demand frequent re-lubrication, while others can operate with longer intervals.
  • Environmental Impact: Consider environmental regulations and restrictions when selecting lubricants to minimize ecological impact and ensure compliance.

By carefully evaluating these factors and consulting with lubrication experts, industries can choose the right lubrication strategy for their speed reducer gearboxes, promoting smooth operation and extending the equipment’s service life.

speed reducer gearbox

Limitations and Drawbacks of Speed Reducer Gearbox Systems

While speed reducer gearbox systems offer various benefits, they also come with certain limitations and drawbacks that should be considered:

1. Efficiency Loss: Speed reducer gearboxes introduce mechanical losses due to friction and gear meshing. These losses can result in reduced overall efficiency, especially in applications where precise speed control is crucial.

2. Size and Weight: Gearboxes add size and weight to the machinery, which can be a limitation in space-constrained environments or applications where weight is a critical factor.

3. Cost: The design, manufacturing, and maintenance of speed reducer gearboxes can be complex and costly. High-quality materials and precision engineering contribute to higher upfront and operational costs.

4. Maintenance: Gearboxes require regular maintenance, including lubrication, inspection, and potential replacement of worn parts. Improper maintenance can lead to reduced lifespan and operational issues.

5. Backlash: Gears within speed reducer gearboxes may exhibit backlash, which is the small amount of play between gear teeth. Backlash can affect precision in applications requiring accurate positioning.

6. Noise and Vibration: Gear meshing can generate noise and vibrations, especially at higher speeds. Additional measures may be needed to mitigate these effects and ensure a quieter operating environment.

7. Limited Ratios: Some gearbox designs offer a limited range of gear ratios, which may restrict the flexibility of certain applications requiring specific speed adjustments.

8. Heat Generation: The mechanical processes within gearboxes can generate heat, and inadequate cooling or lubrication can lead to overheating and reduced efficiency.

Despite these limitations, proper selection, design, and maintenance of speed reducer gearbox systems can help mitigate these drawbacks and ensure their effective integration into various mechanical systems.

speed reducer gearbox

What Advantages Does a Speed Reducer Gearbox Offer in Industrial Applications?

A speed reducer gearbox provides numerous advantages that make it a valuable component in a wide range of industrial applications. These advantages contribute to improved efficiency, performance, and reliability of machinery and equipment.

1. Speed Reduction: One of the primary benefits of a speed reducer gearbox is its ability to reduce the rotational speed of an input shaft, which is often provided by a high-speed power source such as an electric motor. This speed reduction is crucial in applications where the output speed needs to be lower than the input speed to achieve optimal performance. For example, in manufacturing processes or conveyor systems, a slower output speed is often necessary for precise control and safe handling of materials.

2. Torque Increase: The gear arrangement within a speed reducer gearbox leads to an increase in torque at the output shaft compared to the input shaft. This torque amplification is essential for applications that require higher levels of force to overcome resistance, move heavy loads, or perform work. The gearbox’s ability to multiply torque ensures that machinery can handle demanding tasks effectively.

3. Mechanical Advantage: Speed reducer gearboxes utilize gear trains and ratios to create a mechanical advantage. This advantage allows the gearbox to convert high-speed, low-torque input power into low-speed, high-torque output power. The mechanical advantage enhances the efficiency of power transmission and motion control, making it well-suited for applications that involve both speed reduction and torque increase.

4. Versatility: Speed reducer gearboxes are highly versatile and can be tailored to specific application requirements. Manufacturers offer a variety of gear ratios, sizes, and configurations, allowing for customization to achieve the desired output characteristics. This adaptability ensures that gearboxes can be integrated into a wide range of machinery and equipment across different industries.

5. Smooth Operation: The precise meshing of gears in a speed reducer gearbox results in smooth and consistent power transmission. This characteristic is crucial for applications that demand accurate and controlled movement, such as robotics and automated systems. The gearbox’s ability to maintain steady motion contributes to the overall efficiency and performance of the system.

6. Energy Efficiency: By converting high-speed, low-torque input power into a lower-speed, higher-torque output, speed reducer gearboxes help optimize energy usage. This energy-efficient operation can lead to reduced power consumption, lower operating costs, and improved sustainability in industrial processes.

7. Noise and Vibration Reduction: The gear arrangement in a speed reducer gearbox can help dampen noise and vibrations produced by the power source. This is particularly beneficial in applications where noise reduction is essential for a comfortable working environment or to prevent damage to sensitive equipment.

In summary, a speed reducer gearbox offers advantages such as speed reduction, torque amplification, mechanical advantage, versatility, smooth operation, energy efficiency, and noise reduction. These benefits make speed reducer gearboxes indispensable components in various industrial settings, enhancing the overall performance and productivity of machinery and systems.

China OEM High Precision Ratio 28: 1 Transmission Planetary Speed Reducer Gear Boxes   gearbox engineChina OEM High Precision Ratio 28: 1 Transmission Planetary Speed Reducer Gear Boxes   gearbox engine
editor by CX 2023-11-02