Method for the controlled mechanical working of sintered...

Details Method for the controlled mechanical working of sintered... Method for the controlled mechanical working of sintered...

B - Operations, Transporting

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B21J 5/02 (2006.01) B21H 1/12 (2006.01) B22F 3/11 (2006.01) B22F 5/02 (2006.01) F16C 33/64 (2006.01)

Patent

CA 1047805

METHOD FOR THE CONTROLLED MECHANICAL WORKING OF SINTERED POROUS POWDER METAL SHAPES TO EFFECT SURFACE AND SUBSURFACE DENSIFICATION Abstract of Disclosure A method is provided for partially densifying a selected surface portion of a sintered porous powder metal element while applying restraining pressure to other selec- ted portions of said element in order to inhibit growth and cracking of said element during the partial cold deforma- tion thereof. The method is particularly applicable to the production of annular bearing rings.

258582

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