This paper studies concept, calculation and gauge design concerned with coaxality of main spindlehole and camshaft hole and points out some common errors.
对柴油机主轴孔、凸轮轴孔同轴度的有关概念、计算方法、量规设计理论进行探讨，指出通常一些做法的错误。
2
The verticality of vertical milling machine spindle and the worktable can affect hole cylindricity.
立式铣床主轴与工作台面的垂直度会影响孔的圆柱度。
3
Are output boards at the bottom of each spindle inspected on the hole size & location, hole registration and hole quantity etc?