Manual controller for copying machine - has foot operated linked twin tapper potentiometers controlling tool motor drive (HU280976)

The manual controller is for copying work with profile cutters and grinders. The cutting tool is mounted on a linear/transverse slide, the X and Y coordinates of which are adjusted by motor-driven screw feeds. The motor speeds (relative to each other) are controlled by an OR-Gate circuit controlled...

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Bibliographische Detailangaben
Hauptverfasser:	ERENYI,BRUNO, HORVATH,KALMAN
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS POLISHING TRANSPORTING
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Beschreibung
Zusammenfassung:	The manual controller is for copying work with profile cutters and grinders. The cutting tool is mounted on a linear/transverse slide, the X and Y coordinates of which are adjusted by motor-driven screw feeds. The motor speeds (relative to each other) are controlled by an OR-Gate circuit controlled by a foot-operated potentiometer. Control of the motors direction of drive is by two tapped potentiometers in conjunction with a steering linkage operated by the manual control disc. Eahc potentiometer has give tapping points dividing the track into four parts, each representing 90 deg. of angular displacement of the control knob. An optical projection system superimposes an image of the cutter and workpiece upon an enlargement of the required shape.