文章摘要
孙伟,贾智杰,张东生.基于SK7032大型螺杆转子分段磨削实验研究[J].机床与液压,2017,45(16):1-7
基于SK7032大型螺杆转子分段磨削实验研究
The Section Grinding Experiment of Large Screw Rotor Based on SK7032
  
DOI:10.3969/j.issn.1001-3881.2017.16.001
中文关键词: SK7032螺杆转子磨床  大型螺杆转子  分段磨削  数控加工
英文关键词: SK7032 screw rotor grinding machine  Large screw rotor  Section grinding  Numerical control machining
基金项目:陕西省2011协同创新中心(QBXT-Z(Y)-15-1);陕西理工大学2017年度校级科研项目(SLGKY2017-23)
作者单位E-mail
孙伟 陕西理工大学机械工程学院 sxlg_sunwei@163.com 
贾智杰 陕西理工大学机械工程学院  
张东生 陕西理工大学机械工程学院  
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中文摘要:
      在成形磨削几何原理基础上,基于SK7032螺杆转子磨床提出大型螺杆转子分段磨削技术。根据齿轮啮合原理,分析砂轮刀具在分段磨削螺杆转子时的空间包络运动形式,建立转子分段磨削刀位轨迹计算模型。在螺旋面加工中对转子分段磨削中产生的干涉进行分析,并制定干涉消除的具体方案,达到刀位轨迹优化。针对大型螺杆转子分段磨削的功能要求开发了“螺杆转子分段磨削计算软件”,参数化输入并得出转子分段磨削数控加工程序;根据生成的加工程序,在SK7032螺杆转子磨床上进行分段磨削试验,验证了大型螺杆转子分段磨削的可行性,为螺杆转子的数控加工提供一种新的方法。
英文摘要:
      On the basis of the principle of form grinding geometry, section grinding technology to large screw rotor was put forward based on the SK7032 screw rotor grinding machine. According to the principle of gear engagement, the space envelope movement form of the grinding wheel cutting tools in section grinding process to the screw rotor was analyzed, calculation model to section grinding tool path of the rotor was established. The interference generated in the process of segments grinding to the rotor which was processed in the helical surface machining was analyzed, specific scheme to eliminate the interference was formulated and the tool path was optimized. Further,the calculation software to the rotor block grinding aim at the functional requirement of the section grinding to large screw rotor was developed, CNC machining procedures could be gotten by parametric input; section grinding test was carried out on the SK7032 screw rotor grinder based on the procedures. The feasibility of section grinding to the large screw rotor is verified.It provides a new method for numerical control machining of the screw rotor.
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