Data input-output device for interactive numerical controller

Details Data input-output device for interactive numerical controller Data input-output device for interactive numerical controller

1988-10-31

1990-04-10

MacDonald, Allen

Boots, shoes, and leggings

364192, G06F 1500

Patent

active

049166395

ABSTRACT:
A data input-output device for an interactive numerical controller includes a key board having a set of numerical keys arranged to input data used for machining operations of a machine tool into a memory device, a first group of selection keys in the form of normal operation keys arranged to correct the input data in accordance with a workpiece to be machined, a second group of selection keys in the form of set-up change keys arranged to change process management data of the machining operations, a mode switch arranged to instruct the operation of the numerical controller, and a permission switch arranged to be turned on only by using an authorized key, and a central processing unit programmed to disable data input by manipulation of the second group of selection keys in a condition where the first group of selection keys is being manipulated and to permit the data input by manipulation of the second group of selection keys in a condition where the permission switch is turned on after the mode switch has been set in an input position under an inoperative condition of the first group of selection keys.

REFERENCES:
patent: 4521845 (1985-06-01), Schwefel
patent: 4648025 (1987-03-01), Yoneda et al.

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