Method of manufacturing clutch component

Details Method of manufacturing clutch component Method of manufacturing clutch component

B - Operations, Transporting

22

F

B22F 3/12 (2006.01) B21K 1/76 (2006.01) B22F 1/00 (2006.01) B22F 5/00 (2006.01) F16D 41/00 (2006.01)

Patent

CA 2617176

Clutch components for automotive use usually include a pair of clutch members with operative faces. In particular, planar one way clutches include a pair of clutch members whose operative faces are enclosed spaced opposition, with each clutch face including a plurality of recessed defining respective load bearing shoulders. A plurality of struts are disposed between the coupling face of the members, and such struts are moveable between the coupling position and non coupling position. A preferable method of manufacturing such clutch components includes powder metal operations comprising die compacting a metal powder into a metal blank, placing the die compacted metal blank in a machined flat ceramic support, sintering the metal blank to form a sintered metal blank, and cooling the sintered metal blank to form a cooled metal blank. The preferred metallic structure of the cooled metal blank is 50-80% martensite and 20-50% bainite and fine pearlite. The cooled metal blank is then measured for flatness, roundness or perpendicular structure in a measuring devise having supports and probes. Signals from the probes are analyzed to determine whether the parameters of concern are within tolerance.

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