Offset punch press assembly for structural beams

Details Offset punch press assembly for structural beams Offset punch press assembly for structural beams

1990-03-20

1991-11-12

Jones, David

Cutting

Operation controlled by detector means responsive to work

Positioning of tool controlled

83560, 83527, 83615, B26F 102, B26D 502

Patent

active

050638041

ABSTRACT:
An assembly of punch presses is provided for punching holes in first and second opposed flanges joined by a web in a structural beam. The first and second punch presses are arranged in a first pair to punch the first flange from a first side of the beam. A second pair of first and second punch presses are arranged to punch the second flange from a second side of the beam. The first punch press of each pair is arranged in a configuration offset from the second punch press of the pair along both the adjacent beam flange width and length. The offset configuration of the second pair has an opposite hand relationship with the first pair to permit the punch presses of the first pair to be positioned in an overlapping relationship with the punch presses of the second pair.

REFERENCES:
patent: 3720125 (1973-03-01), Scott
patent: 3722337 (1973-03-01), Brolund et al.
patent: 3785235 (1974-01-01), Peddinghaus et al.
patent: 3805659 (1974-04-01), Fisher, Jr.
patent: 3817135 (1974-06-01), Valente
patent: 3897707 (1975-08-01), Kruse et al.
patent: 3919907 (1975-11-01), Kindgren
patent: 4040320 (1977-08-01), Cloup
patent: 4061064 (1977-12-01), Kindgren et al.
patent: 4631996 (1986-12-01), Magnuson
"Peddinghaus Peddimat Structural Fabrications Systems for Economical Structural Steel Fabrication" published by Peddinghaus Corporation, 300 N. Washington Ave., Bradley, IL 60915 U.S.A. and bearing on the last page, the desigation 683 GC5M, pp. 10 and 11.
Peddinghaus Industries drawings: XYZ, YA-3458274, A-3454974, A-3454955, YA-3457989, YA-3458479, YA-3458389, YA-19502-000-00-00 YA-3450637, and A-3460639.

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