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Surface roughness control of LY2 aluminum alloy milled surface subjected to laser shock wave planishing processing

机译：Ly2铝合金研磨表面对激光冲击波平面加工的表面粗糙度控制

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摘要

In this paper, Laser shock wave planishing processing (LSWP) is performed on the CNC milling surface of LY2 aluminum alloy. The influence of contact foil roughness on the surface roughness of the workpiece is analyzed. The results show that in a single LSWP, the coarser the contact foil, the higher the removal of the milling marks. The contact foil is not smoother and more effective. For surfaces with different roughness, there is a corresponding contact foil with appropriate roughness, which can minimize the roughness of the workpiece. By selecting a contact foil of suitable roughness, LSWP can greatly reduce the NC machining surface with high initial roughness and simplify the CNC milling process. The surface roughness of CNC milled surface can be reduced from 3.12 mu m to 0.977 mu m after one LSWP impact. In multiple LSWPs, the surface roughness of the contact foil in the previous LSWP treatment will seriously affect the effect of the latter LSWP, so the choice of film contact roughness is particularly important. The surface roughness of CNC milled surface can be reduced from 3.07 mu m to 0.562 mu m after two LSWP impacts.
机译：本文在Ly2铝合金的CNC铣削表面上进行激光冲击波平面处理（LSWP）。分析了接触箔粗糙度对工件表面粗糙度的影响。结果表明，在单个LSWP中，较粗糙的接触箔，铣削痕迹的移除越高。接触箔并不更平滑，更有效。对于具有不同粗糙度的表面，存在具有适当粗糙度的相应接触箔，这可以最小化工件的粗糙度。通过选择合适粗糙度的接触箔，LSWP可以大大减少高初始粗糙度的NC加工表面，并简化CNC铣削过程。在一个LSWP撞击后，CNC铣削表面的表面粗糙度可以从3.12μm到0.977μm减少。在多个LSWP中，前一个LSWP治疗中接触箔的表面粗糙度将严重影响后期LSWP的效果，因此薄膜接触粗糙度的选择尤为重要。在两个LSWP冲击后，CNC铣削表面的表面粗糙度可以从3.07μm〜0.562 mu m减小。

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  • 来源
    《Applied Surface Science》 |2019年第30期|121-127|共7页
  • 作者

    Dai Fengze; Geng Jie; Ren Xudong; Huang Shu; Zhou Jianzhong; Hua Xijun; Chen Xizhang;

  • 作者单位

    Jiangsu Univ Sch Mech Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Jiangsu Univ Sch Mech Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Jiangsu Univ Sch Mech Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Jiangsu Univ Sch Mech Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Jiangsu Univ Sch Mech Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Jiangsu Univ Sch Mech Engn Zhenjiang 212013 Jiangsu Peoples R China;

    Wenzhou Univ Sch Mech & Elect Engn Wenzhou 325035 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Laser shock wave; Surface roughness; Milling surface; Aluminum alloy;

    机译：激光冲击波;表面粗糙度;铣削表面;铝合金;

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