Method and apparatus for machining crankshafts

Details Method and apparatus for machining crankshafts Method and apparatus for machining crankshafts

1977-03-07

1978-03-28

Hinson, Harrison L.

Turning

Process of turning

82 9, B23B 300, B23B 518

Patent

active

040808521

ABSTRACT:
The invention pertains to the method and apparatus for machining crankshaft bearing and cheek surfaces wherein the cheek surfaces are turned by tungsten carbide tools in a dry-cutting operation and the bearing surface is turned by high-speed steel tools. The cheek and bearing machining is sequentially performed, the rate of crankshaft rotation and rate of tool movement during cheeking being considerably higher than during bearing machining, and the carbide and high speed tools are mounted upon a common tool carrier shiftable between two operative positions to permit the sequential turning operations to be rapidly sequentially performed during a single translation of the slide upon which the tools are mounted.

REFERENCES:
patent: 2138522 (1938-11-01), Groene et al.
patent: 2141466 (1938-12-01), Groene et al.
patent: 2499509 (1950-03-01), Kendall
patent: 2525127 (1950-10-01), Groene et al.
patent: 2596511 (1952-05-01), Siekmann et al.
patent: 3460413 (1969-08-01), Hermann

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