Method and apparatus for machining hardened parts apparatus for

Details Method and apparatus for machining hardened parts apparatus for Method and apparatus for machining hardened parts apparatus for

1994-11-14

1996-06-18

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148586, 148649, 82142, 82147, 82150, 82165, B23B 2302

Patent

active

055274005

ABSTRACT:
A method and apparatus for machining a workpiece from a hardened unmachined part includes the use of non-rotating centers in a turning machine, on which the workpiece is mounted. The shape of the dead centers permits less force to be used in support of the workpiece for reducing friction between the rotating workpiece and non-rotating centers, while exerting a maximum amount of radial holding force to reduce runout in the machining operation. Lubrication can be supplied through the dead centers to further reduce friction and/or an anti-friction coating may be applied to the contacting surface of the centers for this purpose. Machining of the hardened part may be controlled by CNC equipment.

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