Cold rolling method and apparatus for forming annular pieces

Details Cold rolling method and apparatus for forming annular pieces Cold rolling method and apparatus for forming annular pieces

2005-11-29

2005-11-29

Tolan, Ed (Department: 3725)

Metal deforming

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

During rotation of work

C072S091000, C072S107000, C072S110000

Reexamination Certificate

active

06968720

ABSTRACT:
A cold rolling method and apparatus for forming an annular workpiece (10) with an outer surface (11) having a given contour and an inner surface (12) having a given contour, starting from an annular blank. A rotatable forming mandrel (21) has a working surface (21a) with a contour corresponding to that of inner surface (12) to be formed. A forming die (51) has a cavity (52) with an inner working surface (53) in form of a surface of revolution corresponding to the outer surface (11) to be formed.

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