Product Description
High Precision Spur Planetary Gear Reducer for Automatic Machine Tool
There are many kinds and models of reducers. According to the control accuracy, reducers can be divided into general transmission reducers and precision reducers: general transmission reducers have low control accuracy and can meet the basic power transmission requirements of general mechanical equipment; Precision reducer has high precision, long service life, small return clearance and high reliability. It is suitable for high-end fields such as industrial robots, CNC machine tools, aerospace and so on.
Product Parameters
1.With bevel gear reversing mechanism,right angle steering output is realized;
2.Square flange output,standard size;
3.The input specification are complete and there are many choices;
4.Spur transmission ,single cantilever structurer,design simple,high cost performance;
5.Keyway can be opened in the force shaft;
6.stable operation,low noise;
7.Size range:60-120mm
8.Ratio range:3-100;
9.Backlash:8-16arcmin;
10.Support custom according to drawings or samples
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: 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 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: | Motor, Machinery, Marine, Agricultural Machinery, Automation Equipment |
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Hardness: | Hardened Tooth Surface |
Installation: | Vertical Type |
Samples: |
US$ 221/set
1 set(Min.Order) | Order Sample |
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Customization: |
Available
| Customized Request |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Are there any disadvantages or limitations to using gear reducer systems?
While gear reducer systems offer numerous advantages, they also come with certain disadvantages and limitations that should be considered during the selection and implementation process:
1. Size and Weight: Gear reducers can be bulky and heavy, especially for applications requiring high gear ratios. This can impact the overall size and weight of the machinery or equipment, which may be a concern in space-constrained environments.
2. Efficiency Loss: Despite their high efficiency, gear reducers can experience energy losses due to friction between gear teeth and other components. This can lead to a reduction in overall system efficiency, particularly in cases where multiple gear stages are used.
3. Cost: The design, manufacturing, and assembly of gear reducers can involve complex processes and precision machining, which can contribute to higher initial costs compared to other power transmission solutions.
4. Maintenance: Gear reducer systems require regular maintenance, including lubrication, inspection, and potential gear replacement over time. Maintenance activities can lead to downtime and associated costs in industrial settings.
5. Noise and Vibration: Gear reducers can generate noise and vibrations, especially at high speeds or when operating under heavy loads. Additional measures may be needed to mitigate noise and vibration issues.
6. Limited Gear Ratios: While gear reducers offer a wide range of gear ratios, there may be limitations in achieving extremely high or low ratios in certain designs.
7. Temperature Sensitivity: Extreme temperatures can affect the performance of gear reducer systems, particularly if inadequate lubrication or cooling is provided.
8. Shock Loads: While gear reducers are designed to handle shock loads to some extent, severe shock loads or abrupt changes in torque can still lead to potential damage or premature wear.
Despite these limitations, gear reducer systems remain widely used and versatile components in various industries, and their disadvantages can often be mitigated through proper design, selection, and maintenance practices.
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.
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 2024-01-15