Method of producing a cam for a jointed camshaft

Details Method of producing a cam for a jointed camshaft Method of producing a cam for a jointed camshaft

1996-02-06

1997-08-19

Jordan, Charles T.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

419 38, B22F 312, B22F 324, B22F 500

Patent

active

056598734

ABSTRACT:
There is described a method of producing a cam for a jointed camshaft by sintering a compact made from a sintering powder, which is calibrated after sintering and then subjected to quenching and tempering. To avoid extensive rework, it is suggested that the compact be pressed, sintered and calibrated corresponding to a desired contour (4), which differs from the desired contour (1) of the cam contrary to the distortion (3) produced during quenching and tempering, and that the calibrated compact is then given the desired contour (1) of the cam due to the distortion (3) produced during quenching and tempering.

REFERENCES:
patent: 4616389 (1986-10-01), Slee
patent: 4927688 (1990-05-01), Hass et al.
patent: 5082433 (1992-01-01), Leithner
patent: 5529602 (1996-06-01), Ishii et al.

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