Method of cutting a hollow metallic material

Details Method of cutting a hollow metallic material Method of cutting a hollow metallic material

1994-08-24

1996-01-16

Walberg, Teresa J.

Electric heating

Metal heating

By arc

21912176, B23K 2608

Patent

active

054849810

ABSTRACT:
A laser-emitting head (12) is placed in a cavity (6) of an aluminum hollow and profile material (3), the material being of a desired shape in cross section and having an inner peripheral wall. A laser beam of an energy level capable of cutting the material is irradiated from the cavity onto the inner peripheral wall while the head is being rotated along the wall in a circular direction. The hollow and profile material (3) can be sliced in this manner to produce knuckles (1) as one of automobile parts, even if it is of a comparatively large size adapted for production of larger knuckles.

REFERENCES:
patent: 3943324 (1976-03-01), Haggerty
patent: 4365136 (1982-12-01), Gottlieb
patent: 4533814 (1985-08-01), Ward
patent: 4609807 (1986-09-01), Morrissy et al.
patent: 4694139 (1987-09-01), Roder

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