Abstract
Temperature measurement of machine tools is very important for high precision machining as 70% of the machining error is due to thermal displacement. However, the temperature of the feed drive system has not been measured directly so far. In this study, we developed a wireless multi-point series temperature sensor system. The temperature distribution of the ball screw feed drive system was directly measured on a three-axis horizontal machining center. The results showed that the heat generated by the support bearing and nut passage affected the complex temperature distribution in the axial direction.
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