Thread rolling monitor

Details Thread rolling monitor Thread rolling monitor

1994-11-23

1996-10-01

Crane, Daniel C.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 3101, 72 90, B21H 306

Patent

active

055602380

ABSTRACT:
A thread rolling machine in which the dies are monitored for a mismatch condition by a proximity sensor responsive to displacement of the moveable die in a direction parallel to the axis of the workpiece. This displacement, which occurs when a mismatch condition exists, is permitted by the running clearances in the slide carrying the moveable die. When more than a negligible displacement occurs, corrective action can be taken to reject out of specification workpieces and to adjust the relative positions of the dies to maintain them in a matched condition.

REFERENCES:
patent: 1979919 (1934-11-01), Wayne
patent: 3926026 (1975-12-01), Jackson
patent: 4059794 (1977-11-01), Furness
patent: 4131250 (1992-07-01), Smith et al.
patent: 4202192 (1980-05-01), Haneda
patent: 4229966 (1980-10-01), Jackson
patent: 4615197 (1986-10-01), Allebach

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