Shrink forming apparatus

Details Shrink forming apparatus Shrink forming apparatus

1986-04-17

1988-02-23

Crane, Daniel C.

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

72452, 291591, B21D 4104, B21D 5330

Patent

active

047262141

ABSTRACT:
There is disclosed a shrink forming apparatus for rounding vehicular wheels and other annular workpieces. The apparatus includes a power actuated shrinker barrel assembly slidably retained for axial movement about the body of the apparatus. Rounding dies are connected to the shrinker barrel assembly for movement in a radial direction and engagement with the workpiece to perform a shrink forming operation. The apparatus further includes means for substantially eliminating the working clearance between the shrinker barrel assembly and the apparatus body during the shrink forming operation.

REFERENCES:
patent: 2458587 (1949-01-01), Gogan
patent: 3242714 (1966-03-01), Savory
patent: 3461710 (1969-08-01), Luedi et al.
patent: 3564883 (1971-02-01), Koors et al.
patent: 3564898 (1971-02-01), Stettler
patent: 3580043 (1971-05-01), Gollwitzer
patent: 3581550 (1971-06-01), Waterbury
patent: 3720088 (1973-03-01), Pauly et al.
patent: 3756063 (1973-09-01), Roze et al.
patent: 3852991 (1974-12-01), Poggio
patent: 4470288 (1984-09-01), Takeda et al.
patent: 4472959 (1984-09-01), Fencl

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