Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1981-07-27
1983-08-09
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
72370, B21D 2200
Patent
active
043971717
ABSTRACT:
A sheet metal blank is placed at the entrance of a die having a splined interior contour. A punch having a conjugate splined surface enters and passes longitudinally through the die. The splines are formed by passing the blank and punch through the die within an annular space whose contour defines the final spline configuration. Alternatively, preformed splines having a large pressure angle and full corner radii are reformed by multiple passes through dies whose configurations vary to produce shallow pressure angle splines and tight corner radii.
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patent: 3796106 (1974-03-01), Fisher
patent: 4014619 (1977-03-01), Good et al.
patent: 4089097 (1978-05-01), Good
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Hauser Gotz S.
Johnson Harry T.
Suh Sang-Kee
Ford Motor Company
Gilden Leon
Harrington D. J.
McKenzie F. G.
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