Contact Ratio Spur Gears

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Hanwei Machinery Production Spur Gears

The spur gear is typically recognized as the straight toothed cylindrical gear which is relative to the helical gears.

The standard spur gear: when conference the circumstances that the modulus is normal worth, the force angle is 20°(common value), the tooth thickness of the reference circle is equivalent to the tooth space width, the pitch angle is 0°, the addendum coefficient is one (common value), suggestion clearance coefficient is .twenty five (standard benefit), and the modification coefficient is , this involute cylindrical gear is referred to as regular straight toothed gear (standard spur gear).

The application of the equipment is very wide, this kind of as the lathe, aircraft, steamship, and so on. There are a excellent range of gears these kinds of as cylindrical spur equipment, cylindrical helical equipment, spiral gear, straight bevel equipment, spiral bevel equipment, worm wheel, and so on. The most utilized and straightforward is cylindrical spur equipment, also named common cylindrical equipment.

Processing Method: The spur gear manufacturing process is typically consists of the gear blank processing, tooth area processing, warmth treatment and the complete machining of the tooth area. In the program process, we undertake a lot of various procedure software in accordance to the different gear composition, accuracy quality, manufacturing batch and surroundings.


Shenyang Hanwei Machinery Co., Ltd is a technical factory focused on producing large ring gear, hardened gear, gear shafts, etc. We can customize products according to customers’ requirements or drawings. The maximum machining diameter of grinding machine is 8 meters and the maximum modulus is 45. EMAIL:hanweigear@gmail.com


spur gears