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首页> 外文会议>International Conference on Advances in Machining amp; Manufacturing Technology in China; 20070816-19; Harbin(CN) >Effect of Chamfered PCBN Tool Edge Geometries on Hard Turning Process
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Effect of Chamfered PCBN Tool Edge Geometries on Hard Turning Process

机译：倒角的PCBN刀刃几何形状对硬车削工艺的影响

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摘要

By cutting experiments, this paper investigates the effect of various chamfer widths and chamfer angles on cutting force, cutting temperature, and chip morphology when hardened steel GCr15(HRC60+2) is machined with PCBN tools. The research results indicate that with the enlargement of chamfer angle both cutting temperature and main cutting force increase gradually, and especially, radial force increases more significantly. In addition, it is shown that as chamfer width increases both cutting force and cutting temperature rise. The analytical results of chips derived from cutting experiments reveal that chamfer angle being 20°, chips are the thickest and less serrated. Furthermore, chip thickness diminishes gradually with the increment of chamfer width.
机译：通过切削实验，研究了使用PCBN工具加工硬化钢GCr15（HRC60 + 2）时，各种倒角宽度和倒角角度对切削力，切削温度和切屑形态的影响。研究结果表明，随着倒角角度的增大，切削温度和主切削力均逐渐增大，尤其是径向力增大幅度更大。另外，显示出，随着倒角宽度的增加，切削力和切削温度均升高。切削实验得出的切屑分析结果表明，倒角为20°，切屑最厚，锯齿少。此外，切屑厚度随着倒角宽度的增加而逐渐减小。

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