The paper analyzed the influence of the locating errors to measure precision when workpiece is supported by two rollers in a gauging fixture.

• 分析了检验夹具中工件以两滚轮支承时的定位误差对测量工件轴颈径向圆跳动精度的影响,提出了应根据不同的影响状况采用不同的测量方位。