Method and apparatus for improvement of involute and lead...

Details Method and apparatus for improvement of involute and lead... Method and apparatus for improvement of involute and lead...

B - Operations, Transporting

22

F

B22F 5/08 (2006.01) F16H 55/06 (2006.01) F16H 55/17 (2006.01)

Patent

CA 2279730

Gears, particularly spur gears, are produced by powder metal techniques with minimal lead line error and eccentricity, which gears are preformed from powder metal, sintered, hardened and thereafter have their involute surfaces regenerated by a hard hob with a negative rake on the hob teeth to provide gears having aligned involute surfaces between adjacent gear teeth and, between each gear tooth and the gear center line.

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