The experiment of measuring principle is taken: Take the XY flat of lathe as the parallel-pole device and adjust the angle of sensor, the rotating-probe can test the felloe mould in scanning way.

• 此外，本文进行了测量原理的试验研究：利用机床的XY平台移动测量头，同时调整其摆角，使传感器的测量方向与轮辋模板的被测局部表面垂直，完成整个扫描测量；