Method and apparatus for a rolling of hollow articles

Details Method and apparatus for a rolling of hollow articles Method and apparatus for a rolling of hollow articles

1996-12-19

1998-06-16

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72191, 72193, B21D 3106

Patent

active

057654190

ABSTRACT:
In an impact rolling apparatus the axes of roller heads are arranged substantially perpendicularly relative to the longitudinal axis of the workpiece. Accordingly, a displacing of the material at the workpiece proceeds predominantly tangentially perpendicularly to the longitudinal axis of the workpiece, caused by the impact effect of the impact rollers mounted at the roller heads. By this arrangement of the roller heads impact rolling operations can be performed close to a shoulder of the workpiece and marked steps thus maintaining the advantages over the known impact rolling method at which the displacement of the material proceeds predominantly in the direction of the longitudinal axis of the workpiece.

REFERENCES:
patent: 2565623 (1951-08-01), Parker
patent: 3514985 (1970-06-01), Marcovitch
patent: 3566651 (1971-03-01), Tlaker
patent: 3866450 (1975-02-01), Marciniak et al.
patent: 4050276 (1977-09-01), Habegger
patent: 4838066 (1989-06-01), Marcon et al.

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