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对于直径小的扇形件分度误差可以在万能工具显微镜分度盘上进行测量,精度更高的则可用瑞士三座标测量仪的精密转台等,但是对于直径很大、重量体积也很大,而精度要求又很高的扇形件分度误差要在计量室的精密仪器上直接测量就难以实现,我所研制的精密机床(五座标数控铣床)上的扇形件偏摆机构,如图1所示,直径近二米,重量达200公斤左右。体积也很大,扇形件内装有的感应同步器的滑
The smaller the diameter of the sector indexing error can be measured on the universal tool microscope indexing disc, the accuracy can be more Swiss precision rotary table coordinate measuring instrument, etc., but for a large diameter, the weight of the volume is also very large, The high accuracy of the sector indexing error in the measurement room to measure the precise instrument is difficult to achieve, I developed a precision machine tool (five coordinates CNC milling machine) on the sector of the deflection mechanism, as shown in Figure 1 As shown, the diameter of nearly two meters, weighing about 200 kilograms. The volume is also large, the fan-shaped induction synchronizer slip