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Simulation of Cutting Force in Turning Machining Process on CK7815 NC Lathe

机译：CK7815数控车床车削加工过程中切削力的模拟

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摘要

In order to improve NC machining precision this article analyzes the effects of cutting force on NC machining precision by means of simulation, and builds up the mathematical models of CK7815 feed drive system and radial action force of cutting feed, in order to study the effects of cutting load torque and radial cutting force on work pieces processing precision. The simulation results illustrate that cutting load torque and radial cutting force have respectively effects on axial precision and radial precision of work piece. The bigger is cutting load torque, the bigger is axial error. The smaller is cutting process coefficient and the higher is converting spring stiffness of lathe and tool, the smaller is radial error. In practice NC machining precision is improved by trying to decrease the cutting load torque and cutting process coefficient and increase converting spring stiffness.
机译：为了提高数控加工精度，本文通过仿真分析了切削力对数控加工精度的影响，建立了CK7815进给驱动系统和切削进给径向力的数学模型，以研究切削力的影响。切削负荷扭矩和径向切削力对工件的加工精度。仿真结果表明，切削载荷转矩和径向切削力分别对工件的轴向精度和径向精度有影响。切削负载扭矩越大，轴向误差越大。切削加工系数越小，车床和刀具的弹簧刚度转换越高，径向误差越小。在实践中，通过尝试减小切削负载扭矩和切削过程系数并增加转换弹簧刚度，可以提高NC加工精度。

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  • 来源
  • 会议地点 Harbin(CN);Harbin(CN)
  • 作者

    Y.H. Dong; H.T. Xu; H. Lin;

  • 作者单位

    School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin, 150080, China;

    School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin, 150080, China;

    School of Mechanical and Power Engineering, Harbin University of Science and Technology, Harbin, 150080, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 机械制造工艺;
  • 关键词

    cutting force; machining precision; axial error; radial error;

    机译：切削力加工精度；轴向误差径向误差;

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