高速铣削NAK80模具钢的铣削力试验研究

Experiment study on milling forces of high speed milling NAK80 die steel

为获得铣削速度v、背吃刀量ap、每齿进给量fz和径向铣削深度ae对铣削力的影响规律,利用Ti Al N涂层刀具进行了高速铣削NAK80模具钢试验.结果表明,铣削力随着铣削速度的增加而减小,随背吃刀量的增大而增大,并随每齿进给量和径向铣削深度的增加而增加.在单因素试验结果的基础上,应用线性回归分析方法,建立了铣削力的回归数学预测模型.

In order to research the effect of milling parameters on milling forces by milling speed v, axial depth of milling ap, feed rates per tooth fz, and radial depth of milling ae, the high speed milling experiments on NAK80 die steel with TiAlN coated tools was carried out. The results showed that the milling force decreased with the rising of milling speed, per tooth feed and radial depth of milling, whlle increased with the axial depth of milling. On the basis of the single factor experiment results, the regression prediction mathematics model for milling forces were established by linear regression analysis.