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Influence of cutting edge radius on small scale material removal at ultra-precise level

机译：切削刃半径对超精密水平小规模材料去除的影响

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摘要

In the past,although a significant level of understanding of the chip formation mechanism has been reached,the knowledge of complex tool-work interaction at small scale material removal is still lacking.This is critical when the undeformed chip thickness(h)falls below the size cutting tool edge radius(rβ).Thus,the quest for the understanding of the physical mechanisms of material removal in ultra-precision machining has built the foundation of this study In an ultraprecision set up with a highly stiff machine tool and rigid cutting tool,the dominant factors considered for analysing the cutting performance are machined surface finishing,material flow stress and specific cutting energy.In this respect,this paper aims to provide a holistic approach of predicting and optimizing of machined surface quality by considering the material property and cutting tool edge radius effect More detailed attention is paid to the phenomenology of the surface generation mechanisms at small material removal scales.This could be a promising research to improve the surface finishing of metallic parts.Therefore,’material perspective’and”cutting tool edge radius effect’are of significant important in ultra-precision machining for optimising machining parameters and improving machined surface quality with nanoscale finishing.
机译：在过去，尽管已经达到了对芯片形成机制的显着理解，但仍然缺乏对小规模材料去除的复杂工具 - 工作相互作用的知识。这一点是当未变形的芯片厚度（h）低于尺寸切削刀具边缘半径（Rβ）.thus，寻求了解超精密加工中的材料去除物理机制，这座采用高度僵硬的机床和刚性切削工具建造了本研究的基础。 ，考虑到分析切割性能的主要因素是用于分析切割性能的主要因素，材料流应力和特定的切削能量。本文旨在通过考虑材料性能和切割来提供预测和优化加工表面质量的整体方法工具边缘半径效果更详细地注意到小物料Remova的表面发生机制的现象学l秤可以是提高金属部分表面精加工的有希望的研究。因此，“材料透视”和“切削刀刃半径效应”在超精密加工中的显着重要，以优化加工参数，提高加工表面质量纳米级精加工。

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