B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/66
B21D 22/20 (2006.01) B21D 24/00 (2006.01) B21D 26/00 (2006.01) B21D 35/00 (2006.01) B21D 37/00 (2006.01)
Patent
CA 1099596
DIE PRESS HAVING SELECTIVELY VARIABLE DIE ACCESS CLEARANCE Abstract of the Disclosure: A press has at least one reciprocal ram securing a die movable to and from an opposing die, the ram normally spacing the dies apart with a predetermined normal clearance. The die is retained in the ram assembly with at least one tensioned longitudinal bolt which bolt also normally compresses a spacer member, the bolt having longitudinal stretch- ing means selectively actionable for longitudinally stretching the bolt without otherwise affecting bolt adjustment to relieve compression on the spacer member and permit selective transverse removal of the spacer member When greater than normal die access clearance is required, the bolt is stretched, the spacer member removed and the ram longitudinally shortened in length for the increased clearance. Ram relengthening, spacer member replacement and an ultimate relieving of bolt stretching reassembles the ram in exact original normal form with the exact same bolt tensioning. A multiplicity of bolts and spacer members all identically operable may be used in a particular ram assembly depending on the requirements and with appropriate controls for automatic sequential operation thereof.
336364
Crago Terril M.
Olsen Frederick C.
Fetherstonhaugh & Co.
Standun Inc.
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