近年来硬质合金刀具材料性能的提高，使得具有槽型的刀片被广泛应用到自动化生产中。
These years the improve of the inert material capabilities make the milling insert with 3d groove be used to automatic production.
讨论这些材料性能之前，先看一下作为切削刀具材料应具备哪些重要特性。
Before we discuss the properties of these materials, let us look at the important characteristics expected of a cutting tool material.
文中介绍了钨及其合金的性能熏以及在切削加工时刀具材料与几何参数的合理选择。
The performances of tungsten and its alloy, rational choice in machining of cutting tool material and parameter are introduced in this paper.
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