Thread roll timing

Details Thread roll timing Thread roll timing

1978-10-05

1980-04-01

Mehr, Milton S.

Metal deforming

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

During rotation of work

B21H 304

Patent

active

041955072

ABSTRACT:
A thread rolling machine is disclosed wherein a continuously adjustable thread means is used to adjust the relative phase timing between two thread rolling dies and the feeding of a workpiece by the feed means. This timing substantially eliminates any mismatch of thead rolling by the two dies. A double ended thread rolling machine is also disclosed with timing of the two dies relative to the feed of a workpiece accomplished at one end of a workpiece and then the continuously adjustable thread means is used to adjust the relative phase timing of the thread rolling operation on the other end of the workpiece. The above description is merely one form of the invention and is not to be construed as limiting on the scope of the invention.

REFERENCES:
patent: 328217 (1885-10-01), Harvey
patent: 780527 (1905-01-01), Replogle et al.
patent: 4088045 (1978-05-01), Grohoski

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