文章摘要
刘小臣,张迎辉,李论,姚世选,崔泽.数控系统圆形工件智能测心定位研究[J].机床与液压,2021,49(3):81-85.
LIU Xiaochen,ZHANG Yinghui,LI Lun,YAO Shixuan,CUI Ze.Research on Intelligent Centering Positioning for Circular Workpiece under CNC System[J].Machine Tool & Hydraulics,2021,49(3):81-85
数控系统圆形工件智能测心定位研究
Research on Intelligent Centering Positioning for Circular Workpiece under CNC System
  
DOI:10.3969/j.issn.1001-3881.2021.03.016
中文关键词: 数控机床  有效测量点  仿真分析  几何模型  智能测心定位
英文关键词: CNC machine tool  Effective measuring point  Simulation analysis  Geometric model  Intelligent centering positioning
基金项目:2017年度国家重点研发计划“智能机器人”专项(2017YFB1300700)
作者单位E-mail
刘小臣 大连交通大学机械工程学院 dl_lxc@yeah.net 
张迎辉 大连交通大学机械工程学院  
李论 大连交通大学机械工程学院  
姚世选 大连交通大学机械工程学院  
崔泽 大连交通大学机械工程学院  
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中文摘要:
      为解决数控机床钢环套装圆形工件定位精度问题,对圆形工件测量定位进行研究,从而保证套装精度。采用计算机仿真软件分析并确定圆形工件内部有效测量点分布位置,建立几何模型,选取测量方式。通过实验对仿真结果以及几何模型进行验证,利用数字测量探头配合数控系统计算工件圆心坐标。与理论圆心坐标相比,测量圆心坐标误差小于0.2 mm,满足测量位置定位标准和套装要求,所建模型具有较好的稳定性。圆形工件智能测心定位的研究,为特殊环境下工件的定位提供了参考。
英文摘要:
      To solve the problem of positioning accuracy for the circular workpiece in the steel ring set under the CNC machine tool, the measurement and positioning for the circular workpiece was studied, so as to ensure the accuracy of the set. The computer simulation software was used to analyze and determine the distribution position of the effective measurement points inside the circular workpiece, the geometric model was established and the measurement method was selected. The simulation results and the geometric model were verified through experiments. The coordinate of workpiece center was calculated by using digital measuring probe and numerica control system. Compared with the theoretical center coordinate, the measurement center coordinate error is less than 0.2 mm, which satisfies the measurement position positioning standard and the set requirements, and the built model has better stability. The research on circular workpiece intelligent centering positioning provides a reference for the workpiece positioning under special environments.
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