Thread control method and system therefor

Details Thread control method and system therefor Thread control method and system therefor

2003-03-28

2009-11-03

Rodriguez, Paul L (Department: 2123)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S159000, C318S571000

Reexamination Certificate

active

07613541

ABSTRACT:
In a threading control system for performing a threading operation by moving, in synchronization with rotation of the main-spindle, either a cutter or a workpiece in the feeding spindle direction so that the ridge is not damaged nor the dimensional accuracy of the thread is lowered even if the main-spindle speed is variable, a threading computing section3and a main-spindle angle computing section4are provided to alter the threading start timing based on the servo-spindle acceleration time-constant of the feeding spindle.

REFERENCES:
patent: 5307549 (1994-05-01), Tsutsumi et al.
patent: 6847857 (2005-01-01), Sugie
patent: 7123984 (2006-10-01), Tanaka
patent: 57-79507 (1982-05-01), None
patent: 58-177252 (1983-10-01), None
patent: 60-175103 (1985-09-01), None
patent: 62-99020 (1987-05-01), None
“Machine Tool Design Manual”, Mar. 1998, pp. 14-145.

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