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A Novel Calibration Of The CAT System For Joint Internal Thread

Q. Zhou, F. Yu, Shouqian Yu
Published 2006 · Engineering

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The testing of the internal taper thread in joint is the key measurement on spot. The automatic CAT system has been developed for testing key parameters of internal thread on the machine tool. The six key parameters of the 2 7/8EU internal taper thread could be given by the CAT system. A simple and effective method has been developed for the calibration of the sensors in the CAT system. It is called tracing standard part method, which has the simple procedure with high precision. The tooth depth of the joint internal taper thread given by the manual gauge has been chosen for the coefficient calibration of the range sensor in the CAT system. The calibration method has been verified on the spot with manual gauge. It has been shown that this novel calibration method could meet the demanding of the user's precision.
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