Pull type cut-off press

Details Pull type cut-off press Pull type cut-off press

1979-08-21

1981-02-03

Meister, J. M.

Cutting

Processes

During movement of work past flying cutter

83292, 83295, 83320, B23D 2504, B23D 2516

Patent

active

042481090

ABSTRACT:
An improved method and apparatus for cutting segments from a continuously moving stock piece are disclosed wherein a cut-off press is accelerated to exceed the speed of the stock piece and to substantially eliminate a pushing force by the stock against a positive engagement means. The force of acceleration is reduced and controlled to maintain a minimum bias in the direction of the stock movement by the positive engagement means when the cut-off press attains a velocity equivalent to the moving stock piece. The stock piece is severed into accurate length segments during reciprocal movement cycles of the cut-off press. Back pressure on the stock piece is substantially eliminated by establishing a positive pulling engagement between the cut-off press and the stock piece when moving in the same direction during the reciprocal movement cycles.

REFERENCES:
patent: 3178974 (1965-04-01), Roess
patent: 3272045 (1966-09-01), Cookson
patent: 3299757 (1967-01-01), Schumacher et al.
patent: 3310855 (1967-03-01), Orioli
patent: 3777602 (1973-12-01), Youra
patent: 3800645 (1974-04-01), Alcock

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