Shearing machine for trimming flat material particularly sheets

Details Shearing machine for trimming flat material particularly sheets Shearing machine for trimming flat material particularly sheets

1995-12-22

1997-09-23

Peterson, Kenneth E.

Cutting

With means to convey work relative to tool station

Cut made parallel to direction of and during work movement

83498, 83504, 83507, 835082, B23D 1904, B26D 124

Patent

active

056692790

ABSTRACT:
A shearing machine for trimming flat material, particularly sheets and strips of metal, includes a rotary blade shear with rotary blade shafts which support the rotary blades and are mounted in an upper blade housing and a lower blade housing. For adjusting the blade gap and the blade overlap in dependence on the material thickness and the material strength, a transverse eccentric is mounted between the upper and lower shear housings so as to connect these housings. The shearing machine further includes a center cut shear with rotary blade shafts which support the rotary blades and are mounted in an upper blade housing and lower blade housing, a frame supporting the center cut shear, and a blade gap adjusting device with a reversible transverse eccentric, wherein the blade gap adjusting device is mounted between the frame and the upper rotary blade of the center cut shear and acts with its transverse eccentric on the end of the movably constructed upper blade housing at the side of the blade.

REFERENCES:
patent: 1278766 (1918-09-01), Seymour
patent: 2307452 (1943-01-01), Cohen
patent: 2664950 (1954-01-01), Morgan et al.
patent: 3257887 (1966-06-01), Jones
patent: 3364803 (1968-01-01), Senftleben
patent: 4459888 (1984-07-01), Frye
patent: 4515052 (1985-05-01), Flaum
patent: 4676133 (1987-06-01), Fujimura
patent: 4934234 (1990-06-01), Cavagna
patent: 5247865 (1993-09-01), Kroger et al.

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