abstract : discusses the mechanical servo system with ball screw and linear motion guide assembly to measurement of the great wheel, and analyses the influence of the rigidity of transmission system on the accuracy 文摘:介绍了以滚珠丝杠与滚动导轨副为主体的机械伺服系统在大型轮式零件尺寸综合测量中的应用,并分析了传动系统刚度对测量准确度的影响。