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首页> 外文期刊>Journal of Manufacturing Processes >On the interpretation of drilling CFRP/Ti6Al4V stacks using the orthogonal cutting method: Chip removal mode and subsurface damage formation
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On the interpretation of drilling CFRP/Ti6Al4V stacks using the orthogonal cutting method: Chip removal mode and subsurface damage formation

机译：关于使用正交切割方法钻孔CFRP / Ti6Al4V堆栈的解释：芯片去除模式和地下损伤形成

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摘要

The present paper aims to utilize the orthogonal cutting method to offer an enhanced interpretation of the drilling process on CFRP/Ti6Al4V stacks. It contributes to relating the chip separation modes of the orthogonal cutting of multilayer CFRP/Ti6Al4V stacks with their drilling characteristics. A particular focus was made to identify the effect of different cutting sequence strategies on the 3D topographies and defects formation of cut CFRP/Ti6Al4V stacks as well as the mechanisms controlling the drilling of the stack interface. Three configurations of orthogonal cutting operations considering both the impact of varying cutting sequence strategies and the combined interface machining were implemented and the in-situ chip removal characteristics were documented. Mechanical drilling of CFRP/Ti6Al4V stacks was performed subjected to varying cutting sequences and process parameters. Aspects involving the cutting forces, drilling-induced damage as well as the machined hole morphologies were carefully addressed with respect to the used cutting conditions. The obtained orthogonal cutting results were utilized to facilitate the stack drilling comprehension. The results discussed in this paper highlight the vital role of the cutting sequence strategy in the stack machinability and permit an enhanced interpretation of drilling this multilayer material.
机译：本文旨在利用正交切割方法来提供对CFRP / Ti6Al4V堆栈的钻井过程的增强解释。它有助于将多层CFRP / Ti6A14V堆叠与钻井特性相关的芯片分离模式。特定的重点是识别不同切割序列策略对3D地形和缺陷的剪切CFRP / Ti6Al4V堆叠的缺陷的影响以及控制堆栈界面钻孔的机制。考虑不同切割序列策略的影响和组合界面加工的两种正交切割操作的配置，并记录了原位芯片去除特性。进行CFRP / Ti6Al4V堆叠的机械钻孔进行不同的切割序列和工艺参数。涉及切割力，钻井诱导的损伤以及机加工孔形态的方面被仔细解决了所用的切割条件。所获得的正交切割结果用于促进堆栈钻井理解。本文讨论的结果突出了切割序列策略在堆叠加工性中的重要作用，并允许增强对钻孔这种多层材料的解释。

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