CAD/CAM集成的双刀车削数控编程系统的开发
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摘要
随着火车提速,对车轮的质量和加工精度提出更高的要求。车轮毛坯是热轧件,毛坯尺寸散差大。车轮按订单生产,中小批量,供货周期短,要求数控编程周期短、效率高、错误率低。手工编程不能满足生产要求,应用现代编程技术是理所当然。目前国内外关于数控车床自动编程技术研究得较多,而双刀架数控车床自动编程技术研究的较少。根据企业的需求开发双刀数控车削自动编程系统,该系统在计算机辅助下进行产品建模、工艺规划、刀位数据计算、NC程序生成和轨迹模拟等任务,从而提高数控编程效率和质量。本文主要研究内容如下:
1.综述国内外数控技术现状及发展趋势。论述了数控编程技术和方法,指出了双刀车削数控编程系统的一些关键技术。
2.介绍了双刀车削数控自动编程系统的开发平台及开发工具:ObjectARX、VC.NET。
3.设计了双刀车削数控自动编程系统的功能及技术方案,包括菜单的定制、工艺交互、前置处理、后置处理和刀具运动轨迹模拟。
4.在CAD通用平台上实现人机交互工艺规划,以工步为单元输入工艺数据,并用链表存储这些信息。
5.论述刀具运动轨迹模拟的目的和实现轨迹模拟时涉及的关键技术,以及轨迹模拟在AutoCAD平台上的效果。
With increase speed of train, the higher quality and machining accuracy of train wheels are required. The rough wheels are hot rolled steel, whose dimensions are scattered in a large range. The wheels are produced by order with middle or small batch. The cycle of supply is short. Given the situation mentioned above, NC programming is requested to be fast, efficient, and accurate. Manual programming can not satisfy the demands of production. With no doubt, modern programming technology is the first choice. In recent years, automatic programming technology of single-cutter NC lathes has been researched widely in the world. However, the technology of twin-cutter NC lathes has barely been researched. Twin-cutter NC turning programming system is helpful to improve programming efficiency and quality according to enterprise's requirements. In this system, computer-aided technology is utilized in creation of the models, process planning, calculation of cutter location data (CLDATA), generation of NC code and simulation of the machining, etc. The main contents are as follows:
1. An overview on current situation of NC technology is represented. NC programming technology and method are presented. Further more, some key technologies of twin-cutter NC turning programming system are released.
2. The platforms and tools (ObjectARX and VC.NET) to develop twin-cutter NC turning programming system are introduced.
3. The function and technology scheme of twin-cutter NC turning programming system are designed, with the content of menu customization, interactive interfaces of process, preprocess, post process and simulation of the tool path.
4. The function of the interactive process plan is performed on common CAD platform. Process plan data is gathered as a unit of step, which is stored into chain tables.
5. The purpose of simulating tool paths and the key technology of implementing trail simulation are discussed. Besides, the effect of trail simulation on AutoCAD platform is presented too.
1.综述国内外数控技术现状及发展趋势。论述了数控编程技术和方法,指出了双刀车削数控编程系统的一些关键技术。
2.介绍了双刀车削数控自动编程系统的开发平台及开发工具:ObjectARX、VC.NET。
3.设计了双刀车削数控自动编程系统的功能及技术方案,包括菜单的定制、工艺交互、前置处理、后置处理和刀具运动轨迹模拟。
4.在CAD通用平台上实现人机交互工艺规划,以工步为单元输入工艺数据,并用链表存储这些信息。
5.论述刀具运动轨迹模拟的目的和实现轨迹模拟时涉及的关键技术,以及轨迹模拟在AutoCAD平台上的效果。
With increase speed of train, the higher quality and machining accuracy of train wheels are required. The rough wheels are hot rolled steel, whose dimensions are scattered in a large range. The wheels are produced by order with middle or small batch. The cycle of supply is short. Given the situation mentioned above, NC programming is requested to be fast, efficient, and accurate. Manual programming can not satisfy the demands of production. With no doubt, modern programming technology is the first choice. In recent years, automatic programming technology of single-cutter NC lathes has been researched widely in the world. However, the technology of twin-cutter NC lathes has barely been researched. Twin-cutter NC turning programming system is helpful to improve programming efficiency and quality according to enterprise's requirements. In this system, computer-aided technology is utilized in creation of the models, process planning, calculation of cutter location data (CLDATA), generation of NC code and simulation of the machining, etc. The main contents are as follows:
1. An overview on current situation of NC technology is represented. NC programming technology and method are presented. Further more, some key technologies of twin-cutter NC turning programming system are released.
2. The platforms and tools (ObjectARX and VC.NET) to develop twin-cutter NC turning programming system are introduced.
3. The function and technology scheme of twin-cutter NC turning programming system are designed, with the content of menu customization, interactive interfaces of process, preprocess, post process and simulation of the tool path.
4. The function of the interactive process plan is performed on common CAD platform. Process plan data is gathered as a unit of step, which is stored into chain tables.
5. The purpose of simulating tool paths and the key technology of implementing trail simulation are discussed. Besides, the effect of trail simulation on AutoCAD platform is presented too.
引文
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[11]韩彦岭.铣削图形自动编程系统的研究与实现,硕士毕业论文[D],1999
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[14]余斌.基于OpenGL的数控加工仿真系统的研究与开发,硕士毕业论文[D],2002
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[20]ObjectARX 2004 Tutorial
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[22]张春霞.面向对象程序设计基本结构和思想分析,应用能源技术[J],2002年第6期
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[26]胡剑锋,姚华,张永.Visual C++.NET实用教程[M].北京:中国水利水电出版社,2006.6
[27]杨竞锐,张连卫,王贵新.Master Programming with ViSUal C++.NET 深入编程[M].北京:北京希望电子出版社,2002.1
[28]西门子公司.528-840D_840Di_810D基础编程手册
[29]西门子公司.Sinumerik 840D_840Di_810D高级编程手册
[30]王乾廷.双刀车削数控编程系统的研究,博士毕业论文[D],2003
[31]王健强,桂贵生.用于双刀架数控车床加工的CAPP,制造技术机床[J],2000(4):28-30
[32]乐况谦.金属切削刀具[M],北京:机械工业出版社,1993
[33]戴曙.金属切削机床[M],北京:机械工业出版社,1994
[34]江吉彬,桂贵生.大散差零件数控加工与图形自动编程,制造技术机床[J].1999(4):38-40
[35]江书勇,刘荣忠.基于ObjectARX的车削图形自动编程系统的研究,四川大学学报[J],2002年第6期
[36]徐传明,孙致刚,桂贵生.基于AutoCAD平台及其开发工具的数控自动编程系统,机械设计与制造工程[J],2001年第1期
[2]梁福军,石治平.21世纪的制造技术.机械工程学报[J].2002,38(1):1-8
[3]宋健.制造业与现代化.机械工程材料[J].2003,27(1):1-5
[4]2003年日本FA机械业之中国政策动向报导,生产财[J].2003.4
[5]刘荣忠.数控技术[M],成都科技大学出版社,1998
[6]王爱玲,沈兴全,吴淑琴,彭彬彬.现代数控编程技术及应用[M],国防工业出版社,2002
[7]廖效果.数控技术[M].武汉:湖北科技出版社,2000
[8]桂贵生,江吉彬.图形文互式自动编程技术,合肥工业大学学报[J].1997,20(1):85-89
[9]周济,周艳红.数控加工技术[M],北京:国防工业出版社,2002
[10]朱颖斌.双刀车削数控编程若干技术的研究,硕士毕业论文[D],2007
[11]韩彦岭.铣削图形自动编程系统的研究与实现,硕士毕业论文[D],1999
[12]罗渝,车削图形自动编程系统的研究与实现,硕士毕业论文[D],1999
[13]刘雄伟等.数控加工理论与编程技术[M],北京:机械工业出版社2000
[14]余斌.基于OpenGL的数控加工仿真系统的研究与开发,硕士毕业论文[D],2002
[15]王福军,张志民,张师伟.AutoCAD 2000环境下C/Visum C++应用程序开发教程[M],北京希望电子出版社,2000
[16](爱尔兰)Charles McAuley著,李世国,潘建忠,平雪良等译,AutoCAD2000ObjectARX编程指南[M],机械工业出版社,2000
[17]陈杉,王宁、郭剑峰.用ObjectARX开发AutoCAD 2000应用程序[M],人民邮电出版社,2000
[18]邵俊昌,李旭东.AutoCAD ObjectARX 2000开发技术指南[M],电子工业出版社,2000
[19]董玉德,谭建荣,赵韩等编著.AutoCAD系统开发技术——程序实现与实例,中国科学技术大学出版社,2001
[20]ObjectARX 2004 Tutorial
[21]ObjectARX Reference
[22]张春霞.面向对象程序设计基本结构和思想分析,应用能源技术[J],2002年第6期
[23]钱能.c++程序设计教程[M],清华大学出版社,1999
[24]刘晓石,郑淮等,精通Visual C++6.0[M],清华大学出版社,2000
[25][美]Dayid J.Kruglinski,Scot wingo,George Shepherd,Programming Visual C++6.0技术内幕[M],北京希望电子出版社,2000
[26]胡剑锋,姚华,张永.Visual C++.NET实用教程[M].北京:中国水利水电出版社,2006.6
[27]杨竞锐,张连卫,王贵新.Master Programming with ViSUal C++.NET 深入编程[M].北京:北京希望电子出版社,2002.1
[28]西门子公司.528-840D_840Di_810D基础编程手册
[29]西门子公司.Sinumerik 840D_840Di_810D高级编程手册
[30]王乾廷.双刀车削数控编程系统的研究,博士毕业论文[D],2003
[31]王健强,桂贵生.用于双刀架数控车床加工的CAPP,制造技术机床[J],2000(4):28-30
[32]乐况谦.金属切削刀具[M],北京:机械工业出版社,1993
[33]戴曙.金属切削机床[M],北京:机械工业出版社,1994
[34]江吉彬,桂贵生.大散差零件数控加工与图形自动编程,制造技术机床[J].1999(4):38-40
[35]江书勇,刘荣忠.基于ObjectARX的车削图形自动编程系统的研究,四川大学学报[J],2002年第6期
[36]徐传明,孙致刚,桂贵生.基于AutoCAD平台及其开发工具的数控自动编程系统,机械设计与制造工程[J],2001年第1期