Contour control system including cutter radius compensation

Details Contour control system including cutter radius compensation Contour control system including cutter radius compensation

1975-09-22

1978-08-22

Schaefer, Robert K.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318570, 318574, G05B 1924

Patent

active

041091876

ABSTRACT:
A control system for moving a machining member relative to a workpiece table in accordance with a set of programmed input instructions which correspond to a prescribed path of movement, including a main contour control logic to generate output signals to move the machining member relative to the table in accordance with the stored values of the components I and J of a main contour vector, a sub-contour control logic which generates output signals to move the machining member based on the stored values of the components i and j of a sub-contour vector, and cutter compensation control logic which enables either the main or the sub-contour control logic to operate based on a determination of whether the main contour vector is leading or lagging the sub-contour vector.

REFERENCES:
patent: 2933244 (1960-04-01), Tripp
patent: 3866179 (1975-02-01), McGee et al.
patent: 3939330 (1976-02-01), Fluet

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