An Analysis of Tehrmal Defromation of Motor Integrated Spindle on High Precision Lathe

고정밀선반용 모터내장형 주축의 열변형 특성 해석

This paper proposes the thermal characteristics of motor integrated spindle on high precision lathe and investigates the thermal deformation and the running error of spindle. The deformation and the running error of spindle shaft are continuously measured by the gapsensor mounted on machine. The temperature distribution is measured bythe thermal vision system and the thermocouple. The results show that the running error of spindle is dependent on the rotational speed and the thermal deformation.