Die set for the formation of cavities for metal packages to hous

Details Die set for the formation of cavities for metal packages to hous Die set for the formation of cavities for metal packages to hous

1988-11-14

1990-05-29

Crane, Daniel C.

Metal deforming

By plural tool-couples

72412, 72379, B21D 2206

Patent

active

049285122

ABSTRACT:
A die set includes a punch for stamping a cavity in a work piece to produce a flat base surface and sidewalls which are perpendicular to the base surface. A forming bushing applies a deformation stress perpendicular to the stress applied by the punch to direct metal flow. In one embodiment, the impact surface of the punch contains piercing points to increase the depth of penetration of the punch.

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