手工零件编程（Manual Part Prograrnmiog，手工进行零件加工程序的编制。
在数控加工过程中，经常遇到截面形状复杂的零件，采用手工编程需要花费大量的时间，不但容易出错，而且影响零件的质量。
In the NC machining processing, the parts with complex shape section are usually seen, using manual programming spends a lot of time, not only easy to error, but also effect the quality of the parts.
但在自动编程之前，须对手工绘制的零件图样进行前期的预处理，为此，介绍零件图样的前期预处理方法及其自动编程方法。
Before the automated programming, the complicated workpieces drawing must be pre-treated. A method of pre-treatment to the complicated workpieces drawing and automated programming are...
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