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Spiral Bevel Gearbox RN-Series

Spiral Bevel Gearbox RN-Series
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Spiral Bevel Gearbox RN-Series

Product catalog summary
Introduction
The Spiral Bevel Gearbox RN-Series includes models RN-2M to RN-25M. These gearboxes are designed to change transmission directions at right angles and are available in 2, 3, and 4-way configurations. They offer high transmission torque and efficiency (95%) compared to worm gear reducers. Speed ratios range from 1:1 to 5:1, with special ratios available upon request.

Materials and Specifications
The gearboxes are constructed with alloy steel spiral bevel gears, taper roller bearings, and cast iron housing. The input and output shafts are made from heat-treated S45C. They operate with gear oil HD320~680, at a maximum of 1450 rpm, and within ambient temperatures of -20ºC to +80ºC. Noise levels are kept below 80 dB, and temperature levels below 50ºC.

Mounting and Lubrication
Proper lubrication is crucial for efficiency and longevity. The initial break-in period is 2 weeks or 300 hours, after which the oil should be replaced. Regular oil changes are recommended every 500 hours.

Selection Guide
Model selection depends on power requirements and gear ratio. For example, a 5 kW motor with a 1:1 ratio would require an RN-6M model. Rotation direction and gear ratio (standard 1:1, 2:1, and others) should also be specified.

Dimensions
Detailed dimensions for each model (RN-2M to RN-25M) are provided, including measurements for various components such as A, AB, O, LS, U, Z, AC, AD, B, BB, C, E, F, H, and key specifications.
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Catalog excerpts

Spiral Bevel Gearbox RN-Series-2

Spiral Bevel Gearbox RN-Series * Introduction Models: RN-2M,RN-4M,RN-6M,RN-7M,RN-8M,RN-10M,RN-12M,RN-16M,RN-20M,RN-25M Configurations: spiral bevel gears,bearings,housing,oil sealing,input and output shafts etc. Features: 1. Function: right angles change transmission directions 2. 2 ways,3ways,4 ways gearboxes are available 3. Compared to worm gear reducer, spiral bevel gear box is of flexiable operational capacity, high transmission torque and save more money. 4. Speed Ratio: 1:1,2:1,3:1,4:1,5:1. Special ratio,following clients' orders 5. Transmission Efficiency: 95% Materials: 1.Spiral bevel...

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Spiral Bevel Gearbox RN-Series-3

Spiral Bevel Gearbox RN-Series * Technical Datasheet 2

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Spiral Bevel Gearbox RN-Series-4

Spiral Bevel Gearbox RN-Series * Basic Type Of Transmission Example of applications 3

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Spiral Bevel Gearbox RN-Series-5

Spiral Bevel Gearbox R N-Series * Mounting&Lubrication Lubrication: Proper application of lubricating oil will raise the efficiency and prolong the life of spiral bevel gearbox. The first 2 weeks or first 300 hours are break-in period. There might be some tiny metal powders during this time. Please clean interior and replace with new lubricating oil after break-in. For normal operation, replace lubricating oil every 500 hours whichever comes sooner. The choices of lubricating oil: HD320~680 Notes: For special operation,please consult our engineers 4

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Spiral Bevel Gearbox RN-Series-6

Spiral Bevel Gearbox RN-Series * Selection Guide Your Order Shall Kindly Specify: 1. Model Selection 2. Rotate Directions Selection 3. Gear Ratio Selection Check below the complete models selection explanations 5

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Spiral Bevel Gearbox RN-Series-7

Spiral Bevel Gearbox RN-Series * Selection Guide 1. Model Selection For example, input 5 kw, 4 pole motor drive, 1450 rpm, gear ratio 1:1. We check technical dataheets, RN-4M, 1450 rpm, 4.94 kw < required 5 kw, so RN-4M isn't avaiable. Then we check next model, RN-6M, 1450 rpm, 14.9 kw > required 5 kw, so RN-6M is avaiable. For example, input 5 kw, 4 pole motor drive, 1450 rpm, gear ratio 1:1. We check technical datas sheet, RN-4M, 1450 rpm, 4.94 kw < required 5 kw, so RN-4M isn't avaiable. Then we check next model, RN-6M, 1450 rpm, 14.9 kw > required 5 kw, so RN-6M is avaiable. 6

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Spiral Bevel Gearbox RN-Series-8

Spiral Bevel Gearbox RN-Series * Selection Guide 2. Rotate Directions Selection 3. Gear Ratio Selection 1:1, 2:1 speed ratio as our standard, others reduction ratio 1.5:1, 2.5:1, 3:1, 4:1, 5:1. Special increase speed ratio 1:1.5, 1:2, 1:3, 1:4, we can produce them,but depend on orders quantities. 7

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