Electricity: motive power systems – Positional servo systems – Adaptive or optimizing systems including 'bang-bang' servos
Patent
1977-09-21
1980-07-22
Rubinson, Gene Z.
Electricity: motive power systems
Positional servo systems
Adaptive or optimizing systems including 'bang-bang' servos
318572, 29568, 318634, G05B 1300
Patent
active
042141915
ABSTRACT:
A system for the automatic management (detection and control) of tool life in a numerically controlled machine tool having means for automatically measuring the dimension of workpieces and correcting the tool offset of a cutting tool depending on wear on the cutting tool. In the system, the mechanical deformation error component (radial deviation component of a spindle of the machine tool) due to heat is removed from the amount of tool offset value (tool feed position compensation) so as to accumulate solely the net tool wear component, and the cutting tool is exchanged when the accumulated value attains a predetermined setting.
REFERENCES:
patent: 3594563 (1971-07-01), Bishop
patent: 3605531 (1971-09-01), Izumi et al.
patent: 3783253 (1974-01-01), Anderson et al.
patent: 4061952 (1977-12-01), Dinsdale et al.
Watanabe Toshiaki
Yuhara Hideo
Blank Charles A.
Holler Norbert P.
Indyk Eugene S.
Okuma Machinery Works Ltd.
Rubinson Gene Z.
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