Position sensing apparatus

Details Position sensing apparatus Position sensing apparatus

1984-10-31

1986-02-04

Haroian, Harry N.

Geometrical instruments

Area integrators

Electrical

33172E, 33561, G01B 702

Patent

active

045676658

ABSTRACT:
In a sensing or measuring arrangement for determining the position or dimensions of a test object, the sensing arrangement housing is fastened to a receiving element for the installation of the sensing housing onto a tool receptacle of a spindle of a machine tool. A voltage source is included in the sensing housing to power a measuring signal transmitting system. In addition, a switching arrangement is included for switching the voltage source from a standby mode of operation characterized by low current consumption to a measurement mode of operation in order to increase the life of the voltage source. This switching arrangement is responsive to an expansion measuring strip which detects an axial elongation of the receiving element in the tool receptacle. In the disclosed embodiment the expansion measuring strip is fastened to an inner surface of the receiving element which is subject to axial elongation when the receiving element is installed in place in the spindle of the machine tool.

REFERENCES:
patent: 4510693 (1985-04-01), Cusack
Messeinrichtungen zum Prufen der Werkstuckmasse an Bearbeitungszentren, by Herbert G. Babic from Maschinenmarkt, Wurzburg 88 (1982) (and translation).

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