校对柱

校对柱
      校对柱是机械制造业中外径尺寸传递的基准，可用于气动外径侧头，机械量表的基准件。
   公差直径                      制造偏差                   圆 度                       素线平行
＞φ4～6                             ±1.0                        0.5                            1.0         
＞φ6～10                           ±1.0                        0.5                            1.0
＞φ10～18                         ±2.0                        0.5                            1.0
＞φ18～30                         ±2.0                        0.5                            1.0
＞φ30～50                         ±2.0                        0.5                            1.0
＞φ50～80                         ±2.5                        0.5                            1.0
＞φ80～120                       ±2.5                        0.8                             1.5