Longitudinal shear

Details Longitudinal shear Longitudinal shear

1974-08-05

1976-05-25

Meister, J. M.

Cutting

Tool engages work during dwell of intermittent workfeed

Work feed increment shorter than longitudinal tool field

83255, 83422, 83517, B23D 1504, B23D 1508

Patent

active

039584801

ABSTRACT:
Longitudinal shear for rolled sheet metal, particularly heavy plate, which operates perpendicular to the plane of the sheet, whereby the sheet can be gradually divided into two parallel strips by the action of successive partial cuts of a certain length; the sheet is made to move forwardly intermittently by means of drivers located before and after the shears and at least during each cutting stroke kept from shifting by the action of at least one pair of holding rollers located across the cut line.

REFERENCES:
patent: 1665319 (1928-04-01), Mirfield
patent: 1788574 (1931-01-01), Hagmaier et al.
patent: 2320659 (1943-06-01), Sahlin
patent: 3555951 (1971-01-01), Greis et al.
patent: 3777608 (1973-12-01), Kopf et al.
patent: 3871258 (1975-03-01), Hurn

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