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用硬质合金车刀,采用正交实验法进行45钢车削力的实验,得到转速、进给量、背吃刀量与切削力的关系,主切削力随进给量的增大而增大,背吃刀量的增大而增大,当速度大于50m/min,主切削力随速度的增大而减小。其中背吃刀量的影响最大,其次是进给量,速度的影响效果最低。正交实验所得的经验公式Fz=2685ap0.98f0.744v-0.153,Fy=1912ap0.88f0.59v-0.153,Fx=2834ap1.02f0.51v-0.4。
Carbide turning tool was used to test the turning force of 45 steel by orthogonal experiment. The relationship between cutting speed and feed rate and cutting force was obtained. The main cutting force increased with the feed rate increasing , Back to eat the amount of knife increases and increases, when the speed is greater than 50m / min, the main cutting force decreases with increasing speed. Among them, the amount of back-eating knife has the greatest impact, followed by feed, the effect of speed is the lowest. The empirical formula obtained by orthogonal experiment Fz = 2685ap0.98f0.744v-0.153, Fy = 1912ap0.88f0.59v-0.153, Fx = 2834ap1.02f0.51v-0.4.