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首页> 外文期刊>Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear >Progressive tool-wear in machining with coated grooved tools and its correlation with cutting temperature
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Progressive tool-wear in machining with coated grooved tools and its correlation with cutting temperature

机译：带涂层沟槽刀具加工中的渐进式刀具磨损及其与切削温度的关系

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摘要

This paper presents a detailed analysis of tool-wear progression through an experimental study of orthogonal machining of AISI 1045 steel with coated (TiN/TiCN/TiC) grooved tools. Transient infrared temperature measurements during the orthogonal cutting process have been obtained along with measurement of corresponding progressive tool-wear when turning using coated grooved tools under dry machining conditions. Simultaneously, two cutting force components were also recorded. The results obtained enabled the understanding of the modes of tool-wear, and helped to verify the effects of tool-chip interfacial temperature. This time-dependent study of tool-wear with the concurrent tool-chip interface temperature distributions reveals the relationship between the maximum tool temperature and the location of the maximum tool-wear rate at any given point in time. Scanning electron microscopic (SEM) analysis clearly shows the different dominant wear regions at different stages of machining with coated grooved tools. In this study, concurrent progression of flank wear (VB), secondary wall wear (SW, SD), and groove backwall wear (BW, KT) are examined. Finally, interrelationships between the progressive tool-wear, cutting temperature and the cutting forces are established experimentally, providing a framework for further studies.
机译：本文通过对带有涂层（TiN / TiCN / TiC）开槽工具的AISI 1045钢进行正交加工的实验研究，对工具磨损进程进行了详细分析。在干式加工条件下使用带涂层的开槽刀具进行车削时，已经获得了正交切削过程中的瞬态红外温度测量结果以及相应的渐进式工具磨损测量结果。同时，还记录了两个切削力分量。获得的结果有助于理解工具磨损的模式，并有助于验证工具-芯片界面温度的影响。这项对刀具磨损具有时间依赖性的研究（同时存在刀具-芯片界面温度分布）揭示了在任何给定时间点，最高刀具温度与最大刀具磨损率位置之间的关系。扫描电子显微镜（SEM）分析清楚地显示了在带涂层沟槽工具加工的不同阶段的不同主要磨损区域。在这项研究中，检查了侧面磨损（VB），次生壁磨损（SW，SD）和沟槽后壁磨损（BW，KT）的同时发展。最后，通过实验建立了渐进式工具磨损，切削温度和切削力之间的相互关系，为进一步研究提供了框架。

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