Apparatus for forming microscopic recesses on a cylindrical...

Details Apparatus for forming microscopic recesses on a cylindrical... Apparatus for forming microscopic recesses on a cylindrical...

2005-12-08

2009-11-03

Tolan, Edward (Department: 3725)

Metal deforming

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

During rotation of work

C072S112000, C072S120000, C072S123000

Reexamination Certificate

active

07610786

ABSTRACT:
An apparatus for forming microscopic recesses on a circumferential surface that defines a cylindrical bore in a workpiece, the apparatus including a form roller, a form roller drive driving the form roller to rotate about a rotation axis in an axially offset position in which the rotation axis is offset from a central axis of the cylindrical bore, an axial drive causing a relative axial movement of the workpiece and the form roller drive along the central axis of the cylindrical bore, and a rotary drive driving at least one of the workpiece and the form roller drive to rotate about the central axis of the cylindrical bore while keeping an outer peripheral surface of the form roller pressing against the circumferential surface that defines a cylindrical bore.

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