SKB Gear is a foreign trade company which is located in Shanghai city, Shanghai province, China. The company sets oil drilling spiral bevel gear design, oil drilling spiral bevel gear producing and oil drilling spiral bevel gear sale as a whole. We specialized in producing outside diameter 1500mm oil drilling spiral bevel gears for many years. We promise all the outside diameter 1500mm oil drilling spiral bevel gears we produced can meet the customers’ requirement perfectly.
Technical Parameters
Main Product Range
Name | Diameter | Modulus |
Spiral bevel Gear | ≤ 2.0M | ≤ 40M |
Straight Bevel Gear | ≤ 1.6M | ≤ 38M |
Big Ring Gear | ≤ 6.3M | ≤ 36M |
Calculation formula of the main parameters on standard spur bevel gear
Name | Code Name | Calculation formula |
Reference diameter | d | d=mZ |
Addendum | ha | ha=m |
Dedendum | ≤ 6.3M | ≤ 36M |
Tip diameter | ≤ 6.3M | ≤ 36M |
Structure of Bevel Gear

Inspection & Control
we have a comprehensive set of inspection and control tools for quality control, materials analysis, mechanical properties,ultrasonic testing, magnetic particle inspection, bevel gear roll coloring check,three-coordinate precision gear tester etc..

Germany ZEISS three-coordinate precision inspection

Bevel gear contact area(Concave)

The bevel gear contact area inspection

Bevel Gear Contact Area (Convex)

Three-coordinate bevel gear precision inspection report
SKB Services
To ensure better cooperation,our factory provides the following services to the buyers:
1.OEM&ODM:As the special samples and drawings.
2.The small order is acceptable.
3. Professional services
4. Comprehensive and professional after-sale services
We are a supplier of metal material & machinery products. We have extensive experience in the manufacture of Spiral bevel gear,Straight bevel gear and Big Ring gear. Welcome to sending drawings and inquiry.
Production Workflow
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Material inspection
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Gear blank machining
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Gear blank machining
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Roughing tooth
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Toothed finishing
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Keyway / hole, etc.
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Cleaning
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Precision gear inspection
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Heat Treatment
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Final test