Punch press with independently operated pressing units driven by

Details Punch press with independently operated pressing units driven by Punch press with independently operated pressing units driven by

1998-12-29

1991-12-03

Jones, David

Metal deforming

By plural tool-couples

With means to feed work between plural tool stations

72404, 72422, 72456, 72452, 10 12T, 10 76T, 100282, B21D 4310

Patent

active

050690574

ABSTRACT:
A punch press includes a driving crankshaft and a plurality of independent punch pressing units. The crankshaft has a plurality of angularly spaced eccentric sections. Each of the punch pressing units includes a slide, a coupler interconnecting the slide and one of the eccentric sections of the crankshaft, a punch carried on the slide, a die set, and a workpiece gripping unit.

REFERENCES:
patent: 3022526 (1962-02-01), Davis et al.
patent: 3069917 (1962-12-01), Hilgers
patent: 3120770 (1964-02-01), Hoyt
patent: 3452693 (1969-07-01), Azzariti
patent: 3596498 (1971-08-01), Bradlee
patent: 3695088 (1972-10-01), Alvi et al.
patent: 3717890 (1973-02-01), Weller
patent: 3785194 (1974-01-01), Bradlee
patent: 3863486 (1975-02-01), Lassy
patent: 4003237 (1977-01-01), O'Keefe
patent: 4255955 (1981-03-01), Lee

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