切削刃钝圆一般能使切屑卷曲半径增大。
The cutting edge roundness can make chip curling radii larger.
尾部逐渐变细,尾尖钝圆。
结果表明,刀刃钝圆半径越小,刀尖越锋利,但是磨损较快,切削力很快增加。
The results indicate that the cutting corner radius is lesser, the tool is sharper, but it wears out quickly and makes the cutting force increases.
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