Experimental analysis and modeling of thermal error for the spindle of machining center

摘要

In this paper, the spindle components of the TH16350 Machining Center (MC) and its chief heat sources are analyzed, and the temperature field of the MC and the thermal error of the spindle are measured. The temperature variation curve of the spindle system and the thermal displacement curves of the spindle are obtained. The thermal error model of the spindle is set up by using the multivariable regression analysis, and the model is analyzed and optimized by using the cluster analysis (FCA) and the stepwise regression method (SRM).