Roll forming notches in a thin-wall power transmission member

Details Roll forming notches in a thin-wall power transmission member Roll forming notches in a thin-wall power transmission member

1990-05-24

1992-01-07

Kundrat, Andrew V.

Joints and connections

Interfitted members

Longitudinally splined or fluted rod

403298, 192 702, B25G 328

Patent

active

050785362

ABSTRACT:
An apparatus and method for forming a power transmission member from a thin-walled blank, the apparatus including a pair of dies (84) having opposed work surfaces, and a mandrel (50) positioned between the work surfaces of the dies (84) for receiving a blank (52) to be formed and rotated upon movement of the work surfaces of the dies in opposite directions during a forming operation. The mandrel (50) includes a work surface for cooperating with the work surface of the dies (84). Notch forming projections (70) on the work surfaces of the dies (84) cooperate with the work surface of the mandrel (50) for roll punching notches (72) through the blank (52) as the blank (52) is rotated between the moving dies (84).

REFERENCES:
patent: 4014619 (1977-03-01), Good et al.

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