例1:公式:M3×0.5=3-(1/2×0.5)=2.75mmM6×1.0=6-(1/2×1.0)=5.5mm例2:公式:M3×0.5=3-(0.5÷2)=2.75mm则1/4-30换算成公制牙应为:M6.35×0.846则3/16-32换算成公制牙应为:M4.76×0.79则3/8-24换算成公制牙应为:M9.525×1.0586-32 (0.06+0.013)/代码×6=0.138那么6-32换算成公制牙应为:M3.505×0.635牙外径-(牙距×0.4250.475)/代码=下孔径M6-(1.0×0.425)=5.575(最大下孔径)M6-(1.0×0.475)=5.525(最小)例3:M6×1.0=6-1.0=5.0+0.05=5.051.直径-0.01×0.645×牙距(需通规通止规止)例1:M3×0.5=3-0.01×0.645×0.5=2.58(外径)例2:M6×1.0=6-0.1×0.645×1.0=5.25(外径)例1:M3×0.5=3-0.6495×0.5=2.68(车削前外径)例2:M6×1.0=6-0.6495×1.0=5.35(车削前外径)例:4.1÷25.4×0.8(花距)=0.13 压花深度应为0.13九、刀具厚度(切刀):
材料外径÷10+0.7参考值公式1:(大头直径-小头直径)÷(2×锥度的总长)=度数
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