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本文研制了一种光纤表面粗糙度在线测量系统,通过涡流测微仪和步进马达控制系统,可以补偿由于工件尺寸变化、机床导轨几何误差和主轴部件的振动造成的光纤探头和被测工件表面之间的距离变化,使光纤测量仪的输出只反映已加工表面粗糙度的变化。该测量系统能识别出金刚石刀具切削铝合金时,影响加工表面粗糙度的主要因素是积屑瘤和振动。同时还可以用在线监测加工表面粗糙度的方法来监测刀具的磨损。
In this paper, an on-line measurement system of optical fiber surface roughness is developed. Through the eddy current micrometer and the stepper motor control system, the optical fiber probe and the surface of the workpiece can be compensated due to the dimensional changes of the workpiece, the geometric errors of the guide rails and the vibration of the spindle component The distance between the changes, so that the output of optical fiber measuring instrument only reflects the surface roughness has been processed changes. The measurement system identifies the main factors that affect the roughness of the machined surface when it is cut by a diamond tool, which is build-up and vibration. At the same time, it is also possible to monitor the tool wear by means of on-line monitoring of the machined surface roughness.