Graphic input controlled automatic positioning system

Details Graphic input controlled automatic positioning system Graphic input controlled automatic positioning system

1977-01-13

1979-04-24

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318577, 318640, 250202, G05B 1942

Patent

active

041514513

ABSTRACT:
An analog of a path through which a cross slide table, for example carrying a workpiece or a tool is to be moved is traced on a drawing sheet. At points of change of direction or commanded speed of movement, graphic machine-readable symbols are placed on the drawing. A sensor, with sensing elements located in the quadrants of an x-y coordinate system, preferably secured to the cross slide itself, is placed above the graphic drawn representation of the movement path, the graphic representation is introduced by means of a program carrier beneath the cross slide and, upon recognition of symbols representing change of direction, speed of movement, suitable signals are derived which control servo motors moving the cross slide and the sensor in accordance with the sensed signals picked up by the sensor from the graphic representation of the movement immediately beneath the cross slide table itself, thus avoiding the necessity of numerical or other programmed input to the cross slide.

REFERENCES:
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patent: 3426258 (1969-01-01), Van Pelt
patent: 3502880 (1970-03-01), Martinek et al.
patent: 3609237 (1971-09-01), Gerber
patent: 3703674 (1972-11-01), Doxey
patent: 3840739 (1974-10-01), Coultor
patent: 3859517 (1975-01-01), Okuma
patent: 3860862 (1975-01-01), Dell et al.
patent: 4002900 (1977-01-01), Sitenichenko et al.
patent: 4074642 (1978-02-01), Herr

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