Press apparatus for forming gear teeth

Details Press apparatus for forming gear teeth Press apparatus for forming gear teeth

1996-06-07

1998-01-20

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With work-forcer offset from, and relatively movable...

72207, 72208, B21D 908, B21D 1500, B21D 1710

Patent

active

057091188

ABSTRACT:
A gear teeth forming apparatus is used for forming a plurality of gear teeth on an outer circumferential wall of a pressed drum. The apparatus includes a punch and a plurality of rotational rollers. A plurality of convex/concave portions are formed in the axial direction on the punch. The punch has an outer circumferential surface on which the outer circumferential wall of the pressed drum is fitted. Also, the punch is movable in the axial direction. A plurality of the rotational rollers are insertable partially into grooves of the punch and are rotatable along the grooves.

REFERENCES:
patent: 3729970 (1973-05-01), Propach et al.

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