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Modelling and prediction of the effect of cutting strategy on surface generation in ultra-precision raster milling

机译：削减策略对超精密光栅铣削表面生成效果的建模与预测

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摘要

This paper studies the effect of cutting strategy on surface generation in ultra-precision raster milling (UPRM). By adding the influences of shift length and tool-interference on surface generation, a holistic surface roughness prediction model is built which takes into account the effect of cutting parameters, tool path generation, geometry parameters of diamond tool, the size of the workpiece and machine characteristics. The optimal shift ratio can be achieved by changing factors involved in developing cutting strategy to improve surface quality without decreasing machining efficiency. Conditions for the presence of tool-interference in UPRM are presented. Based on the holistic surface generation model, an integrated system is developed to automatically generate the numerical control program, and predict surface quality and machining efficiency. A series of cutting experiments has been conducted to verify the proposed surface generation model and test the performance of the integrated system. The experimental results agree well with the predicted results from the model and the integrated system.
机译：本文研究了削减策略对超精密光栅铣削（UPRM）的表面产生的影响。通过增加换档长度和刀具干扰对表面产生的影响，建立了整体表面粗糙度预测模型，该模型考虑了切割参数，工具路径，金刚石工具的几何参数，工件和机器的尺寸的效果特征。通过改变显影切割策略的因素来实现最佳变换比率，以改善表面质量而不降低加工效率。提出了在UPRM中存在刀具干扰的条件。基于整体表面生成模型，开发了一种集成系统以自动产生数值控制程序，并预测表面质量和加工效率。已经进行了一系列切割实验以验证所提出的表面生成模型并测试集成系统的性能。实验结果与模型和集成系统的预测结果很好。

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  • 作者

    Wang Sujuan; Chen Xin; To Sandy; Chen Xindu; Liu Qiang; Liu Jiangwen;

  • 作者单位

    Guangdong Univ Technol Guangdong Prov Key Lab Micro Nano Mfg Technol &

    E Sch Electromech Engn Guangzhou Guangdong Peoples R China;

    Guangdong Univ Technol Guangdong Prov Key Lab Micro Nano Mfg Technol &

    E Sch Electromech Engn Guangzhou Guangdong Peoples R China;

    Guangdong Univ Technol Guangdong Prov Key Lab Micro Nano Mfg Technol &

    E Sch Electromech Engn Guangzhou Guangdong Peoples R China;

    Guangdong Univ Technol Guangdong Prov Key Lab Micro Nano Mfg Technol &

    E Sch Electromech Engn Guangzhou Guangdong Peoples R China;

    Guangdong Univ Technol Guangdong Prov Key Lab Micro Nano Mfg Technol &

    E Sch Electromech Engn Guangzhou Guangdong Peoples R China;

    Guangdong Univ Technol Guangdong Prov Key Lab Micro Nano Mfg Technol &

    E Sch Electromech Engn Guangzhou Guangdong Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计算机集成制造;
  • 关键词

    cutting strategy; surface generation; ultra-precision raster milling (UPRM); surface roughness;

    机译：切割策略;表面生成;超精密光栅铣削（UPRM）;表面粗糙度;

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