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首页> 外文期刊>International Journal of Computer Aided Engineering and Technology >Analysis of structural integrity of special purpose miniaturised machine tool and performance evaluation for micro machining applications
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Analysis of structural integrity of special purpose miniaturised machine tool and performance evaluation for micro machining applications

机译：专用小型机床的结构完整性分析和微加工应用的性能评估

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摘要

The function of a machine tool is to move the cutting tool along a defined trajectory with sufficient accuracy and precision against cutting forces arising from the material removal processes such as milling, drilling and turning. This paper describes the analysis of the structural integrity of the miniaturised machine tool (MMT) specially developed for micro-machining applications. Finite element simulation methodology is carried out in the development stage using commercial finite element program ANSYS. The results of the simulation studies are presented as responses of the machine tool structure to the forces acting on it in terms of deformation and stress. Also presented are the results of natural frequency analysis and modes shapes of the machine tool structure. The performance of the miniaturised machine tool is finally verified using micro-cutting tests. The geometrical accuracies of the micro-milled channels and micro NAS test part features confirm the suitability of the developed machine tool for micro-cutting operations.
机译：机床的功能是使切削刀具沿着定义的轨迹以足够的精度和精度抵抗由铣削，钻孔和车削等材料去除过程产生的切削力。本文介绍了专门为微加工应用开发的微型机床（MMT）的结构完整性分析。有限元模拟方法是在开发阶段使用商业有限元程序ANSYS进行的。仿真研究的结果表示为机床结构对变形和应力作用的力的响应。还介绍了自然频率分析的结果和机床结构的模式形状。最终，使用微切削测试验证了小型机床的性能。微型铣削通道的几何精度和微型NAS测试零件的特性证实了所开发的机床适用于微切割操作。

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