As a result, the optimum marking method and the relation between concentricity and reference can be concluded, thus improving the concentricity of the hole throats on both ends of the carrier roller.

• 通过对不同的标注形式进行工艺分析,提出对应的加工及检测方法,得出最佳标注方法及同轴度与基准选择的关系,达到提高托辊两端孔颈同轴度的目的。