To this end, during the pre-machining the first workpiece to a good setup.
为此，在进行机械加工前，首先要将工件装夹好。
On the base of the program pre-reading and the smooth algorithm between lines for micro-beeline machining of CNC milling, the arc smooth algorithm with linear transformation is brought forward.
在数控铣微直线加工程序预读、直线段间平滑算法的基础上，提出了线性变换圆弧平滑算法。
The types and characteristics of the tools for machining the pre - hardened mould steel are introduced in this paper. The application and developing trend of these tools are discussed.
论述了适应于加工这种材料的刀具的种类和特点，以及国外应用情况和发展趋势。
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