Machine tool controller employing microprocessor system for cont

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318571, 364107, 364118, 364120, G05B 1918

Patent

active

041158580

ABSTRACT:
A machine tool controller, for automatically controlling the Z axis operations of a machine tool, along a direction parallel with the axis of a tool-holding spindle, includes a system for executing programs in accordance with data which is manually entered into the system for each of a plurality of individual machining operations. The data, representative of two distances, respectively above and below the surface of the work to be machined, feed speed during machining and spindle rotating speed, may be manually entered through the keyboard of a control panel, or the two distances may be entered directly from a position counter which monitors the Z axis position of the spindle, and successful data entry is verified by indicator lights. All of the data for a single machining operation is stored in a memory unit, associated with the microprocessor system, at a single storage location, with each separate item of data stored in a specified memory location of the storage location. The data is accessed, during machining operations, by specifying a storage location for an individual machining operation, and the Z axis movements are automatically controlled in accordance with the data stored at the storage location, and with the type of machining operation being performed. All of the data stored at the several storage locations may selectively be displayed, and means is provided for identifying the data currently being displayed.

REFERENCES:
patent: 3372321 (1968-03-01), Inaba et al.
patent: 3654613 (1972-04-01), Dunne et al.
patent: 3701945 (1972-10-01), Gallant et al.
patent: 3746845 (1973-07-01), Henegar et al.
patent: 3909600 (1975-09-01), Hohn
patent: 3920972 (1975-11-01), Corwin et al.

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