Numerically controlled lathe tool tip position determination - uses TV camera scanning tool tip in two mutually perpendicular directions

A high accuracy position determining system is used to determine the tool tip position of a numerically controlled lathe. The field of vision of a television camera (9) is made to coincide with the measuring field containing the tool tip (10). The tangential point of the tip coincides with one of th...

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Bibliographische Detailangaben
1. Verfasser:	WIBERG,RONY
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BORING 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 MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS TARIFF METERING APPARATUS TESTING TRANSPORTING TURNING
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Beschreibung
Zusammenfassung:	A high accuracy position determining system is used to determine the tool tip position of a numerically controlled lathe. The field of vision of a television camera (9) is made to coincide with the measuring field containing the tool tip (10). The tangential point of the tip coincides with one of the scanning lines of the electron beam in the measuring field for determining its position along the Z axis. The position of the tip along the X axis is determined by the time used by the electron beam to move from its reversal point to the point where the beam is intersected by the tip.