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首页> 外文期刊>Sadhana >Comparative assessment of coated and uncoated ceramic tools on cutting force components and tool wear in hard turning of AISI H11 steel using Taguchi plan and RMS
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Comparative assessment of coated and uncoated ceramic tools on cutting force components and tool wear in hard turning of AISI H11 steel using Taguchi plan and RMS

机译:使用Taguchi计划和RMS对AISI H11钢硬车削中涂层和未涂层​​陶瓷刀具的切削力分量和刀具磨损的比较评估

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This study investigated the cutting performance of coated CC6050 and uncoated CC650 mixed ceramics in hard turning of hardened steel. The cutting performance was mainly evaluated by cutting force components and tool wear. The planning of experiments was based on Taguchi’s L36 orthogonal array. Theresponse surface methodology and analysis of variance were used to check the validity of multiple linear regression models and to determine the significant parameter affecting the cutting force components. Tool wear progressions and, hence, tool life, different tool wear forms and wear mechanisms observed for tools coated with TiN and uncoated mixed ceramics are presented along with the images captured by digital and electron microscope. Experimental observations indicate higher tool life with uncoated ceramic tools, which showsencouraging potential of these tools to hard turning of AISI H11 (50 HRC). Finally, tool performance indices are based on units which characterise machined cutting force components and wear when hard turning.
机译:这项研究调查了涂层CC6050和未涂层CC650混合陶瓷在淬硬钢中的切削性能。切削性能主要通过切削力分量和刀具磨损进行评估。实验的计划是基于Taguchi的L36正交阵列。响应面方法和方差分析用于检查多个线性回归模型的有效性,并确定影响切削力分量的重要参数。介绍了用TiN涂层和未涂层​​的混合陶瓷涂覆的刀具观察到的刀具磨损进程,以及由此得出的刀具寿命,不同的刀具磨损形式和磨损机理,以及通过数字和电子显微镜捕获的图像。实验观察表明,使用未涂层的陶瓷工具具有更长的工具寿命,这表明这些工具对于AISI H11(50 HRC)的硬车削具有令人鼓舞的潜力。最后,刀具性能指标基于表征切削力分量和硬车削时磨损的单位。

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