Load measuring system for a thread rolling machine and...

Details Load measuring system for a thread rolling machine and... Load measuring system for a thread rolling machine and...

2005-07-05

2005-07-05

Tolan, Ed (Department: 3725)

Metal deforming

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

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

C072S021400, C072S104000, C470S045000

Reexamination Certificate

active

06912883

ABSTRACT:
A thread rolling machine forming a threaded member from a workpiece includes a die, a device for rotating the die, a device for generating a load applied to the die in a workpiece-feeding direction, a member that deforms under the applied load during a thread rolling operation, a strain gauge that generates a signal indicative of the deformation of the member under the applied load, and a computer that calculates the load applied during thread rolling operation based on the signal generated by the strain gauge. The computer can generate a feedback signal permitting control of the applied load generated by the thread rolling machine by controlling either the load generating device or the die-rotating device. An operating method for a thread rolling machine is also described.

REFERENCES:
patent: 3712094 (1973-01-01), Motz et al.
patent: 3733867 (1973-05-01), Prutton
patent: 4487044 (1984-12-01), Fapiano
patent: 4615197 (1986-10-01), Allebach
patent: 5528917 (1996-06-01), Bajraszewski et al.
patent: 5555757 (1996-09-01), Smith et al.
patent: 6116073 (2000-09-01), Kajiwara et al.
patent: 6418767 (2002-07-01), Shinbutsu et al.
patent: 6729171 (2004-05-01), Ladousse et al.
patent: 3127462 (1983-03-01), None
patent: 3-110035 (1991-05-01), None
English Language Abstract of JPA 3-110035 (Ref. F above).

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