Assembled camshaft

Details Assembled camshaft Assembled camshaft

1989-05-10

1991-03-12

Luong, Vinh T.

Machine element or mechanism

Elements

Cams

403374, F16H 5300, B25G 320

Patent

active

049989553

ABSTRACT:
A camshaft having a steel shaft and cam pieces made from a sintering iron-base alloy material and fixed to the shaft by sintering. Prior to sintering, the green or pre-sintered cam piece is fitted on the shaft and positioned by a steel positioning pin, which is inserted both into a pin-receiving hole in the shaft and into a pin-receiving groove on the side surface of the cam piece. The positioning pin contains carbon less than the steel shaft. This results in that the carbon diffusion initiates at a predetermined position where the pin and the cam piece are in contact with each other and that the cam piece always shrinks about the position.

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