China Hot selling CZPT 120mm Servo Motor Planetary Gear Prf Series Gearboxes for Medical Machine car gearbox

Product Description

Newgear 120mm Servo Motor Planetary Gear PRF Series Gearboxes For Medical Machine

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

Characteristic:

1.Single cantilever structure.simple design,economic price;

2.Working steady. Low noise;

3.Backlash 8-16 arcmin. Can suit most occasion;
4.Method blue axis output, standardized size;
5.The input connection specifications are complete and there are many chices;
6.Keyway can be opened in the force shaft;
7.Straight gear transmission,high precision,high torque;
8.Speed ratio range:3-100
9.Precision range:8-16arcmin
10.Size range:40-160mm

Specifications PRF40 PRF60 PRF80 PRF90 PRF120 PRF160
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 185 240 400 450 1240 2250
Max. Axial Load N 150 220 420 430 1000 1500
Torsional Rigidity Nm/arcmin 0.7 1.8 4.7 4.85 11 35
Max.Input Speed rpm 8000 8000 6000 6000 6000 4000
Rated Input Speed rpm 4500 4000 3500 3500 3500 3000
Noise dB ≤55 ≤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 ≤8
L2 arcmin ≤12 ≤12 ≤12 ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16 ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20 ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 0.1 0.46 0.77 1.73 12.78 36.72
4 Kg*cm2 0.1 0.46 0.77 1.73 12.78 36.72
5 Kg*cm2 0.1 0.46 0.77 1.73 12.78 36.72
7 Kg*cm2 0.06 0.41 0.65 1.42 11.38 34.02
10 Kg*cm2 0.06 0.41 0.65 1.42 11.38 34.02
L2 12 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
15 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
16 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
20 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
25 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
28 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
30 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
35 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
40 Kg*cm2 0.08 0.44 0.72 1.49 12.18 34.24
50 Kg*cm2 0.05 0.34 0.58 1.25 11.48 34.02
70 Kg*cm2 0.05 0.34 0.58 1.25 11.48 34.02
100 Kg*cm2 0.05 0.34 0.58 1.25 11.48 34.02
Technical Parameter Level Ratio   PRF40 PRF60 PRF80 PRF90 PRF120 PRF160
Rated Torque L1 3 Nm / 27 50 96 161 384
4 Nm 16 40 90 122 210 423
5 Nm 15 40 90 122 210 423
7 Nm 12 34 48 95 170 358
10 Nm 10 16 22 56 86 210
L2 12 Nm / 27 50 95 161 364
15 Nm / 27 50 96 161 364
16 Nm 16 40 90 122 210 423
20 Nm 15 40 90 122 210 423
25 Nm 16 40 90 122 210 423
28 Nm 16 40 90 122 210 423
30 Nm / 27 50 96 161 364
35 Nm 12 40 90 122 210 423
40 Nm 16 40 90 122 210 423
50 Nm 15 40 90 122 210 423
70 Nm 12 34 48 95 170 358
100 Nm 10 16 22 96 80 210
Degree Of Protection   IP65
Operation Temperature ºC  – 10ºC to -90ºC
Weight L1 kg 0.43 0.98 2.3 3.12 7.08 15.5
L2 kg 0.65 1.26 2.97 3.82 8.7 17

Model Selection:

Company Profile

Newgear(China) receive German precision planetary gear design and manufacturing technology,Production of high rigidity, small backlash, low noise, stable transmission, reliable and durable planetary reducer,widely used in various fields.

Newgear(China) has a complete planetary gear reducer manufacturing chain .

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?
CZPT 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 a 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
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
Starting Mode: Direct on-line Starting
Samples:
US$ 260/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

planetary gearbox

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes

Designing planetary gearboxes with high gear ratios while maintaining a compact form factor poses several challenges due to the intricate arrangement of gears and the need to balance various factors:

Space Constraints: Increasing the gear ratio typically requires adding more planetary stages, resulting in additional gears and components. However, limited available space can make it challenging to fit these additional components without compromising the compactness of the gearbox.

Efficiency: As the number of planetary stages increases to achieve higher gear ratios, there can be a trade-off in terms of efficiency. Additional gear meshings and friction losses can lead to decreased overall efficiency, impacting the gearbox’s performance.

Load Distribution: The distribution of loads across multiple stages becomes critical when designing high gear ratio planetary gearboxes. Proper load distribution ensures that each stage shares the load proportionally, preventing premature wear and ensuring reliable operation.

Bearing Arrangement: Accommodating multiple stages of planetary gears requires an effective bearing arrangement to support the rotating components. Improper bearing selection or arrangement can lead to increased friction, reduced efficiency, and potential failures.

Manufacturing Tolerances: Achieving high gear ratios demands tight manufacturing tolerances to ensure accurate gear tooth profiles and precise gear meshing. Any deviations can result in noise, vibration, and reduced performance.

Lubrication: Adequate lubrication becomes crucial in maintaining smooth operation and reducing friction as gear ratios increase. However, proper lubrication distribution across multiple stages can be challenging, impacting efficiency and longevity.

Noise and Vibration: The complexity of high gear ratio planetary gearboxes can lead to increased noise and vibration levels due to the higher number of gear meshing interactions. Managing noise and vibration becomes essential for ensuring acceptable performance and user comfort.

To address these challenges, engineers employ advanced design techniques, high-precision manufacturing processes, specialized materials, innovative bearing arrangements, and optimized lubrication strategies. Achieving the right balance between high gear ratios and compactness involves careful consideration of these factors to ensure the gearbox’s reliability, efficiency, and performance.

planetary gearbox

Signs of Wear or Damage in Planetary Gearboxes and Recommended Service

Planetary gearboxes, like any mechanical component, can exhibit signs of wear or damage over time. Recognizing these signs is crucial for timely maintenance to prevent further issues. Here are some common signs of wear or damage in planetary gearboxes:

1. Unusual Noise: Excessive noise, grinding, or whining sounds during operation can indicate worn or misaligned gear teeth. Unusual noise is often a clear indicator that something is wrong within the gearbox.

2. Increased Vibration: Excessive vibration or shaking during operation can result from misalignment, damaged bearings, or worn gears. Vibration can lead to further damage if not addressed promptly.

3. Gear Tooth Wear: Inspect gear teeth for signs of wear, pitting, or chipping. These issues can result from improper lubrication, overload, or other operational factors. Damaged gear teeth can affect the gearbox’s efficiency and performance.

4. Oil Leakage: Leakage of gearbox oil or lubricant can indicate a faulty seal or gasket. Oil leakage not only leads to reduced lubrication but can also cause environmental contamination and further damage to the gearbox components.

5. Temperature Increase: A significant rise in operating temperature can suggest increased friction due to wear or inadequate lubrication. Monitoring temperature changes can help identify potential issues early.

6. Reduced Efficiency: If you notice a decrease in performance, such as decreased torque output or inconsistent speed, it could indicate internal damage to the gearbox components.

7. Abnormal Gear Ratios: If the output speed or torque does not match the expected gear ratio, it could be due to gear wear, misalignment, or other issues affecting the gear engagement.

8. Frequent Maintenance Intervals: If you find that you need to service the gearbox more frequently than usual, it could be a sign that the gearbox is experiencing excessive wear or damage.

When to Service: If any of the above signs are observed, it’s important to address them promptly. Regular maintenance checks are also recommended to detect potential issues early and prevent more significant problems. Scheduled maintenance should include inspections, lubrication checks, and replacement of worn or damaged components.

It’s advisable to consult the gearbox manufacturer’s guidelines for recommended service intervals and practices. Regular maintenance can extend the lifespan of the planetary gearbox and ensure it continues to operate efficiently and reliably.

planetary gearbox

Examples of High Torque and Compact Design Applications for Planetary Gearboxes

Planetary gearboxes excel in applications where high torque output and a compact design are essential. Here are some scenarios where these characteristics are crucial:

  • Automotive Transmissions: In modern vehicles, planetary gearboxes are used in automatic transmissions to efficiently transmit engine power to the wheels. The compact size of planetary gearboxes allows for integration within the limited space of a vehicle’s transmission housing.
  • Robotics: Planetary gearboxes are utilized in robotic arms and joints, where compactness is essential to maintain the robot’s overall size while providing the necessary torque for precise and controlled movement.
  • Conveyor Systems: Conveyor belts in industries like material handling and manufacturing often require high torque to move heavy loads. The compact design of planetary gearboxes allows them to be integrated into the conveyor system’s framework.
  • Wind Turbines: Wind turbine applications demand high torque to convert low wind speeds into sufficient rotational force for power generation. The compact design of planetary gearboxes helps optimize space within the turbine’s nacelle.
  • Construction Machinery: Heavy equipment used in construction, such as excavators and loaders, rely on planetary gearboxes to provide the necessary torque for digging and lifting operations without adding excessive weight to the machinery.
  • Marine Propulsion: Planetary gearboxes play a crucial role in marine propulsion systems by efficiently transmitting high torque from the engine to the propeller shaft. The compact design is particularly important in the limited space of a ship’s engine room.

These examples highlight the significance of planetary gearboxes in applications where both high torque output and a compact footprint are vital considerations. Their ability to deliver efficient torque conversion within a small space makes them well-suited for a wide range of industries and machinery.

China Hot selling CZPT 120mm Servo Motor Planetary Gear Prf Series Gearboxes for Medical Machine   car gearbox	China Hot selling CZPT 120mm Servo Motor Planetary Gear Prf Series Gearboxes for Medical Machine   car gearbox
editor by CX 2024-05-08