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由于大型零件的技术要求愈来愈高以及竞争的加剧,因此迫使人们考虑采用最佳化的方法对这类零件进行加工。这表明在制造大型机器的铣削加工中,应尽可能的使机床和刀具适应最经济地加工要求。对此应当着重考虑刀具的结构,即切削部分的几何参数以及充分利用愈来愈昂贵的能源。首先考虑的问题是对这类加工最合适的切削部份的几何参数。具有比较高的切削刃强度的双负角铣刀,也就是负的径向前角和负的轴向前角铣刀,由于其消耗的功率很高,所以对于重型铣削来说是不适宜的。
Due to the increasing technical requirements of large parts and increasing competition, people are being forced to consider the best way to process such parts. This shows that in the manufacture of large machines in the milling process, as far as possible to make the machine tools and tools to meet the most economical processing requirements. In this regard, emphasis should be placed on the structure of the tool, the geometry of the cutting part, and the full use of more and more expensive energy sources. The first question to consider is the geometry of the cutting part that is most suitable for this type of machining. Double negative angle milling cutters with a higher cutting edge strength, ie, negative radial rake angle and negative axial rake angle milling cutter, are not suitable for heavy milling due to their high power consumption .