Tooling apparatus and methodology for machining a blank having m

Details Tooling apparatus and methodology for machining a blank having m Tooling apparatus and methodology for machining a blank having m

1996-04-25

1998-01-27

Bishop, Steven C.

Turning

Process of turning

82 15, 82165, 279 6, 279130, 451384, 451390, B23B 100, B23B 3136, B24B 4106

Patent

active

057111960

ABSTRACT:
A tooling apparatus and method for machining a blank having a first surface portion with a first spin center and a second surface portion with a second spin center offset from the first spin center. The improved tooling apparatus includes a turning fixture connectable to a rotatable spindle in one of a first position and a second position. The first spin center of the blank aligns with the axis of rotation of the spindle when the turning fixture is in its first position and the second spin center of the blank aligns with the axis of rotation when the turning fixture is in its second position. In the preferred embodiment, the rotatable spindle includes a dowel cooperative with first and second bores formed in the turning fixture to position the turning fixture relative to the spindle. The first and second bores are separated a distance equal to the distance between the first spin center and the second spin center of the blank. The method for machining the blank includes the steps of connecting the blank to the turning fixture, coupling the turning fixture in its first position for rotation with the spindle, machining the first surface portion, relocating and connecting the turning fixture in its second position for rotation with the spindle, and machining the second surface portion of the blank.

REFERENCES:
patent: 3962833 (1976-06-01), Johnson
patent: 4709512 (1987-12-01), Okobo et al.
patent: 5320007 (1994-06-01), Weirauch

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