径向圆跳动是指被测回转表面在同一横剖面内实际表面上各点到基准轴线间距离的最大变动量.径向圆跳动又是一项综合误差它除包括引起同轴度误差的轴线平移、倾斜、弯曲外还包括同一横剖面的形状误差中的圆度误差等。
最后提出了减小曲轴主轴颈径向圆跳动误差的措施。
Finally, the measures to reduce the radial circle run-out error of the crankshaft main journal have be presented.
用传统的测量方法不能得到单一基准径向圆跳动误差的准确值。
The correct value of radial circular run-out error with respect to a single datum axis can not be obtained in the traditional measuring method.
装轴承的孔不圆，也会使轴承外环变形而引起主轴径向圆跳动。
Not loaded bearing a round hole, there will be outer bearing spindle radial deformation caused by a round beating.
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