Rockbit arm machining fixture and method

Details Rockbit arm machining fixture and method Rockbit arm machining fixture and method

1987-01-05

1989-10-10

Schmidt, Frederick R.

Turning

Work driver

76108A, 51217A, 269 50, 269902, B23B 3300

Patent

active

048723797

ABSTRACT:
A fixture and method are disclosed for machining the bearing spindle on rockbit drilling arm forgings. The teachings of the invention eliminate the need for shims, greatly simplify the set-up process and reduce the amount of different fixtures necessary to accomplish positioning a forging. In addition, the device disclosed performs the offset and twist adjustment operations simultaneously.

REFERENCES:
patent: 2046238 (1936-06-01), Balsiger
patent: 3998445 (1976-12-01), Goltz
patent: 4612735 (1986-09-01), Millay

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