Automatic bending apparatus and marking device for band-shaped w

Details Automatic bending apparatus and marking device for band-shaped w Automatic bending apparatus and marking device for band-shaped w

1994-10-07

1995-11-07

Crane, Daniel C.

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

With cutting

72307, 72310, B21D 501

Patent

active

054638909

ABSTRACT:
An automatic bending apparatus for bending a band-shaped work at a plurality of positions in sequence with intermittent feed of the work in a longitudinal direction thereof. The bending apparatus includes a swingable work holder for holding the work and a fixed bending jig for bending the work in cooperation with the work holder. The work projecting from an outlet of a passage formed in the holder is pressed against the jig by swinging the holder to approach it toward the jig. After bending the work, the holder is returned to a neutral position, and the work is fed to be projected from the outlet, then repeating the above operation. In marking the work with a cutter, a cutting sound detecting device such as a microphone is provided to detect whether the cutter has come into contact with the edge of the work. Further, a depth of cutting from the edge of the work is controlled to be constant on the basis of a timing of detection of the cutting sound.

REFERENCES:
patent: 3845650 (1974-11-01), Romanov
patent: 3880028 (1975-04-01), Frederick

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