Laser beam machining apparatus

Details Laser beam machining apparatus Laser beam machining apparatus

1997-10-31

2000-02-01

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

21912167, B23K 2608

Patent

active

060205733

ABSTRACT:
A laser beam machining apparatus capable of eliminating a complicated unit arranged to vertically move pallets and adapted to a pallet storage unit for making the heights of upper and lower pallets to be constant so as to simplify the structure thereof and improve the working efficiency. A chain drive mechanism is mounted on a frame, and upper and lower machining pallets are connected to intermediate positions of a chain of the chain drive mechanism. When the lower-stage machining pallet has been moved to a lower machining position, a laser-beam machining head is moved downwards toward a work piece placed on the lower machining pallet to machine the lower work piece without vertical movement of the lower-stage machining pallet. The laser machining head is vertically movable in accordance with the height of the workpiece on each of the machining pallets.

REFERENCES:
patent: 4760237 (1988-07-01), Mizukado et al.
patent: 5061839 (1991-10-01), Matsuno et al.
patent: 5624587 (1997-04-01), Otsuki et al.

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