Knurling machine and the like

Details Knurling machine and the like Knurling machine and the like

1988-06-30

1989-10-17

Larson, Lowell A.

Metal deforming

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

Tool orbiting or rotating about an axis

72461, B21H 714

Patent

active

048738565

ABSTRACT:
Apparatus for deforming the surface of a cylindrical metal portion of a workpiece at and adjacent its end includes a rotating disk having radially extending slots. Slide members having roller deforming tools rotatably journalled at one end are positioned in a respective slot with the tool disposed radially inwardly, the tools having axes of rotation parallel to the axis of rotation of the disk. A follower member is fastened to the other end of the slide member and extends outwardly from the slot beyond the circumference of the disk. The disk is mounted within an annular shell having a tapered internal cam surface varying in diameter in the axial direction. The shell is mounted for rotation with the disk but axially moveable relative to the disk. Abutment members are positioned behind the rear surface of the shell and is driven axially to force the shell to move in the axial direction to drive the followers and thus the tools radially inwardly against the surface of the workpiece which is clamped along the axis of the disk by a power driven vise. When the force applied to the abutment member is reversed springs between the disk and the shell return the shell to the initial position.

REFERENCES:
patent: 1325173 (1919-12-01), Shirlow et al.
patent: 2252130 (1941-08-01), Lamprecht et al.
patent: 3225998 (1965-12-01), Bowman

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