Numerical control device for automatic lathe

Details Numerical control device for automatic lathe Numerical control device for automatic lathe

1986-04-29

1987-04-14

Godici, Nicholas P.

Turning

Process of turning

82 21B, 318 39, 318625, 364474, B23B 700

Patent

active

046568972

ABSTRACT:
The cabinet of the numerical control device contains a memory, a frequency changer, an amplifier and two correcting units. A programing station with keyboard and mounted on the cabinet enables programing the memory. The control device further comprises an encoder and a DC motor. It shall be associated with a lathe mechanically controlled by cams. The encoder records the successive positions of the camshaft and transmits these informations to the memory. In accordance with these informations the latter transmits mandatory instructions to the frequency changer and to the amplifier which modify the motor speeds and, consequently, those of the spindle and of the camshaft, to an extent dictated to the memory by the keyboard. At the beginning of particular machining steps the memory can activate the correcting units thus permitting to modify the instructions of the memory in order to find out the optimal speeds after some tests.

REFERENCES:
patent: 3656377 (1972-04-01), Kosem
patent: 3894452 (1975-07-01), Kazik et al.
patent: 3976861 (1976-08-01), Edwards et al.
patent: 3978745 (1976-09-01), Okamoto
patent: 4106375 (1978-08-01), Gurdak et al.
patent: 4120185 (1978-10-01), Schneider et al.
patent: 4250779 (1981-02-01), Feller et al.
patent: 4253359 (1981-03-01), Youden
patent: 4267495 (1981-05-01), Wilterdink
patent: 4386305 (1983-05-01), Kohzai et al.
patent: 4415977 (1983-11-01), Fukuyama et al.

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