Work rotating apparatus for laser machining having a hollow outp

Details Work rotating apparatus for laser machining having a hollow outp Work rotating apparatus for laser machining having a hollow outp

1992-06-01

1993-06-22

Albritton, C. L.

Electric heating

Metal heating

By arc

219159, B23K 2602

Patent

active

052218244

ABSTRACT:
A work rotating apparatus for laser machining has a reduction unit with input and output shafts, and a motor for rotating the input shaft. The output shaft is a hollow shaft having an axial through hole. A work holder, mounted on the output shaft, also has a through hole aligned with the through hole of the output shaft. A long workpiece can be held in the work holder with a part of the workpiece extending through the through hole of the work holder and into or through the through hole of the hollow output shaft. This enables the workpiece to be held more stably and securely, and allows the portion of the workpiece which is being machined to be positioned close to the work holder.
In one version, the reduction unit is supported by mounting legs, enabling the work to be positioned close to the laser machine table and farther from the laser head. In another version, the work rotating apparatus includes a frame, a supporting shaft mounted rotatably on the frame, and a reduction unit mounted on the supporting shaft so that the axis of rotation of the work can be tilted.

REFERENCES:
patent: 3913819 (1975-10-01), Hirose et al.
patent: 3949186 (1976-04-01), Nakayama et al.
patent: 4143261 (1979-03-01), Eckart et al.
patent: 4177371 (1979-12-01), Honig
patent: 5075527 (1991-12-01), Ikuma
patent: 5079401 (1992-01-01), Suchan

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