On the Cutting Mechanism for Soft Metals
On the Cutting Mechanism for Soft Metals
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软金属切削机理探讨
DOI：
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发表时间：
1957
期刊：
影响因子：
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通讯作者：
K. Hitomi
中科院分区：
文献类型：
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作者：
K. Okushima;K. Hitomi
利用专门设计的切削试验装置对铅、Lipowitz合金等软金属进行低速正交干切削，得到如下结果：（1）工件的刚性区域和稳定切屑的塑性区域之间存在“流动区域”。 (2) 与简单连续切屑相关的流动区域根据切削条件的不同而具有不同的形状和尺寸。有时它在切割过程中会周期性变化。而且，切割速度越高，流动区域越窄。 (3)对于不连续切屑的情况，在形成一个切屑碎片时存在流动区域。断裂发生在流动区终止边界附近，且向上凸。
Orthogonal dry cutting of soft metals such as lead and Lipowitz alloy in low speed with a specially designed cutting test equipment leads to the following results : (1) There exists the "flow region" between the rigid region of workpiece and the plastic region of steady chip. (2) The flow region associated with simple continuous chip is various in shape and size according to cutting conditions. Sometimes it changes periodically during cutting. Moreover, the higher the cutting speed, the narrower the flow region. (3) In the case of discontinuous chip, there exists the flow region during formation of one chip fragment. Fracture occurs near the ending boundary in flow region, and is convex upward.