Snap ring forming and grooving

B - Operations – Transporting – 21 – D

Patent

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10/26

B21D 17/04 (2006.01) B21H 5/02 (2006.01) B21H 7/18 (2006.01)

Patent

CA 1299323

ABSTRACT The present invention is directed to a machine and method for forming a snap ring groove in a splined workpiece, as well as the resultant member produced thereby. The machine supports the workpiece for rotary movement and die members including opposed spline-forming work surfaces spaced on opposite sides of the axis of the workpiece are provided for forming splines therein. Cutting members are disposed in the work surfaces for grooving the workpiece as the work surfaces are moved relative to one another during the spline- forming operation. The invention provides simultaneous cold forming of splines and a snap ring groove in a workpiece with a single pass of the die members.

516714

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