Calculate Cutting Speed from Dia of job to be turned and Revolution of job
Calculate Revolution(rev.) from Cutting Speed and Dia of job to be turned
Calculate Time for Turning
Calculate Time for Boring
Calculate Time for Drilling
Calculate Time for Facing
Calculate Time for Knurling
Calculate Time for Reaming
Calculate Time for Tapping
Calculate Time for Threading
Number Of Cuts for Internal Threads = 32 x Pitch Number Of Cuts for Internal Threads = 25 x Pitch
计算公式：
输入数据：
切割速度(S)：5m/min.
每天的工作将转变成(D)：100cm.
每分钟转速(N)：1.59155
