Composite-machining machine tool

Details Composite-machining machine tool Composite-machining machine tool

1992-02-19

1993-04-27

Bilinsky, Z. R.

Tool changing

Including machine tool or component

Rotating work machine tool

29 33P, 409 11, 409 16, 483 19, B23Q 3157

Patent

active

052058069

ABSTRACT:
In a composite-machining machine tool for carrying out a turning operation and a machining center operation, a B-axis shaft 13, having a tool spindle head 14 mounted on its front end, is rotatably supported by a Y-axis slide 10, and the B-axis shaft 13 can be indexingly rotated by a B-axis servomotor 22. Clamp pistons 26 are provided in opposed relation to a flange portion 25 of a front end portion 13A of the B-axis shaft, and the clamp pistons 26 are pressed against the flange portion 25 to thereby fix the B-axis shaft at an arbitrary rotational angle position. By doing so, a hobbing tool 29 can be fixed in such a manner that the axis of this hobbing tool can be precisely indexed at a desired angular position with respect to a workpiece W, thereby enabling a hobbing operation.

REFERENCES:
patent: 4287659 (1981-09-01), Erhardt et al.
patent: 4590661 (1986-05-01), Lunazzi
patent: 4785525 (1988-11-01), Ishida et al.

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