Electricity: motive power systems – Positional servo systems – Multiple mode systems
Patent
1987-10-22
1990-04-03
Shoop, Jr., William M.
Electricity: motive power systems
Positional servo systems
Multiple mode systems
318571, 318573, 318 39, 31856822, 36447429, G05B 1118
Patent
active
049143646
ABSTRACT:
Disclosed herein is a numerical control apparatus for controlling drive spindle heads in a rectangular coordinate system of machining apparatuses such as a lathe, a miller, a laser beam machining apparatus, an electric discharge machining apparatus, a robot and the like, to thereby perform positioning control.
REFERENCES:
patent: 3576979 (1971-05-01), McCall
patent: 3656124 (1972-04-01), McGee
patent: 3840791 (1974-10-01), Mack
patent: 4387327 (1983-06-01), Kralowetz et al.
patent: 4587608 (1986-05-01), Kishi
patent: 4591968 (1986-05-01), Nozawa et al.
Bergmann Saul M.
Mitsubishi Denki & Kabushiki Kaisha
Shoop Jr. William M.
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