Importance

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Abstract

A touch sensor which is used to examine the machining accuracy of articles to be worked or used in a numerical control tool machine with an automatic tool converter (ATC) known as the machining center comprising a sensor rod which contacts the workpiece and detects the position to be worked, a plunger which shifts the displacement of the sensor rod to a rectilinear motion, a globe joint portion which is provided between the sensor rod and the plunger, a flange portion provided at the rear end portion of the sensor rod and a sensing device connected to the flange portion. In the touch sensor of the present invention, the displacement of the sensor rod is detected with the sensing device through the flange portion, the detecting signals are transmitted to a memory or the numerical control tool machine and in this way the machining accuracy of the workpiece or position to be worked can be detected automatically and exactly.

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First Claim