Spindle positioning apparatus

Details Spindle positioning apparatus Spindle positioning apparatus

1987-01-14

1989-01-24

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318605, 318630, G05B 106

Patent

active

048003255

ABSTRACT:
A spindle positioning apparatus for positioning the spindle of a machine tool, for example, includes an absolute angle detector such as a resolver operatively coupled to a spindle motor which drives the spindle, and an absolute position detector such as a resolver operatively coupled to the spindle. A position control processing system derives a positional error from detected signals from the absolute angle detector and the absolute position detector and a target position command signal.

REFERENCES:
patent: 3896356 (1975-07-01), Hoffman et al.
patent: 4021714 (1977-05-01), Jones et al.
patent: 4297624 (1981-10-01), Komiya
patent: 4357569 (1982-11-01), Iwakane et al.
patent: 4359676 (1982-11-01), Fujioka
patent: 4379987 (1983-04-01), Kohzai et al.
patent: 4529922 (1985-07-01), Ono
patent: 4535277 (1985-08-01), Kurakake

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