带修复加工功能的规则零件在机检测系统开发
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摘要
数控加工精度在机检测技术实现了零件一次装夹即可完成从加工到检测的完整过程,大大提高了工作效率。然而,当在机检测到不合格的零件如何进一步返修加工成为在机检测技术面临的新的技术难题。面向规则特征零件,开发了带自动修复加工功能的在机检测系统。给出了带自动修复加工功能的在机检测软件框架,以圆孔特征的在机检测与返修加工为例,提出了基于反向补偿法圆孔加工误差自动返修加工方法。最后以圆柱孔的数控加工、在机检测和修复加工过程为实例进行了现场实验验证,效果较好。
The work efficiency of modern NC machining is improved greatly by the help of on-machine measurement technology,where the whole process from part machining to measurement can be accomplished only at once positioning and clamping.However,anew technical challenge was encountered when a substandard part was detected and need to be machined again on on-machine measure-ment.On-machine measurement software with auto-repair-machining function was developed for parts with regular features.The frame-work of on-machine measurement software with auto-repair-machining function was presented,and an auto repair method for hole-ma-chining errors is proposed based on reverse compensation method.The developed on-machine measurement software was implemented inVisual C++ and a cylindrical bore was presented for verification.
The work efficiency of modern NC machining is improved greatly by the help of on-machine measurement technology,where the whole process from part machining to measurement can be accomplished only at once positioning and clamping.However,anew technical challenge was encountered when a substandard part was detected and need to be machined again on on-machine measure-ment.On-machine measurement software with auto-repair-machining function was developed for parts with regular features.The frame-work of on-machine measurement software with auto-repair-machining function was presented,and an auto repair method for hole-ma-chining errors is proposed based on reverse compensation method.The developed on-machine measurement software was implemented inVisual C++ and a cylindrical bore was presented for verification.
引文
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[12]朱政红,张春伟.影响机械加工精度的几种因素[J].组合机床与自动化加工技术,2008(11):76-82,85.
[2]PAHK H J.Integrated Precision Inspection System for Man-ufacturing of Moulds Having CAD Defined Features[J].International Journal of Advanced Manufacturing Technolo-gy,1995,10(3):198-207.
[3]RENISHAW.Renishaw OMV——三维在机检测软件[EB/OL].http://wwwrenishawcomcn/client/product/Chinese/PGP-1303shtml.
[4]DELCAM.Delcam PowerINSPECT功能及应用[EB/OL].http://wwwdelcamcomcn/pinspect/piomvhtm.
[5]HEXAGON.M&H 3D Form Inspect[EB/OL].http://wwwhexagonmetrologycomcn/Product_view_15_329_1aspx.
[6]马云辉,陶崇德.数控机床用在机检测系统的研究[J].组合机床与自动化加工技术,1990(8):45-47.
[7]王广彦.基于CAD的加工中心在机检测关键技术研究[D].天津:河北工业大学,2002:20-33.
[8]孙志海.基于CAD的加工中心在机检测系统研究与开发[D].天津:河北工业大学,2003:30-41.
[9]刘丽冰,桑宏强,陈英姝.用于加工中心的在机检测新方法研究[J].新技术新工艺,2005(11):16-18.
[10]邓海祥,诸进才,何超杰.复杂曲面零件在线检测系统的开发与应用[J].机械设计与制造,2008(8):76-78.
[11]牟鲁西.复杂曲面零件在机检测关键技术研究与应用[D].武汉:华中科技大学,2012:22-30.
[12]朱政红,张春伟.影响机械加工精度的几种因素[J].组合机床与自动化加工技术,2008(11):76-82,85.