基于UG的挤出模具干涉检查研究与应用
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摘要
针对挤出模具设计过程中的干涉检查问题,分析了挤出模具设计及其干涉检查的特点,基于模型的装配关系和特征属性信息,提出了基于实例名和属性名的特征获取方法,并在获取特征的基础上,提出了基于最小包容体交叉性的干涉检查方法,即首先基于包容体判断特征是否存在交叉,再对存在交叉的特征,根据不同特征的安全间隙进行最小间距干涉检查,从而得到整个模具的干涉情况。并基于UG NX机械制图软件,采用UG二次开发技术和微软基础类库(MFC),开发了挤出模具干涉检查插件,对检查对象进行批量检查。实例证明,该方法能够快速有效进行挤出模具干涉检查,提高了挤出模具干涉检查效率,提升了挤出模具设计水平。
Aiming at interference checking in extrusion die design,the characteristics of extrusion die design and its interference checking were analyzed. Based on assembly relationship and feature attribute information of models,the method of feature acquisition based on instance name and attribute name was put forward. An interference detection method based on the minimum inclusion intersection was proposed,namely the situation of feature intersecting was judged first,minimum spacing was check based on safety gap with different features for existence of intersecting then,thus the interference situation of the whole mold was obtained. An interference checking tool for extrusion die was developed based on UG NX to check in a lot size with UG secondary development and microsoft foundation classes(MFC). The example shows that the method contribute to interference checking quickly and effectively,improving the efficiency of the interference checking and the design level of the extrusion die.
Aiming at interference checking in extrusion die design,the characteristics of extrusion die design and its interference checking were analyzed. Based on assembly relationship and feature attribute information of models,the method of feature acquisition based on instance name and attribute name was put forward. An interference detection method based on the minimum inclusion intersection was proposed,namely the situation of feature intersecting was judged first,minimum spacing was check based on safety gap with different features for existence of intersecting then,thus the interference situation of the whole mold was obtained. An interference checking tool for extrusion die was developed based on UG NX to check in a lot size with UG secondary development and microsoft foundation classes(MFC). The example shows that the method contribute to interference checking quickly and effectively,improving the efficiency of the interference checking and the design level of the extrusion die.
引文
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[12]卢琦,赵山杉,蔡昱,等.基于CATIA的舵机伺服系统运动干涉检查方法[J].机械工程师,2017(8):129-130.Lu Qi,Zhao Shanshan,Cai Yu,et al.Interference check method of aircraft actuator servo system based on CATIA[J].Mechanical Engineer,2017(8):129-130.
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[14]欧阳文凯.基于UG二次开发的注塑模辅助设计插件的设计[J].科教导刊(中旬刊),2014(2):47-49.OuYang Wenkai.Injection mold plug-aided design based on UGsecondary development[J].The Guide of Science&Education,2014(2):47-49.
[15]邢秀琴,邢秀娟,叶志忠,等.基于UG二次开发的模型软件设计[J].机械工程与自动化,2013(6):16-17.Xing Xiuqin,Xing Xiujuan,Ye Zhizhong,et.al.Design of model software based on secondary development of UG software[J].Mechanical Engineering&Automation,2013(6):16-17.
[2]Li L,Tang H,Guo S,et al.Design and implementation of an integral design CAD system for plastic profile extrusion die[J].The International Journal of Advanced Manufacturing Technology,2017,89(1-4):543-559.
[3]刘玲,田龙,蒋修宏.基于Pro/E的塑料水龙头弧形抽芯模具设计[J].塑料科技,2014,42(2):90-92.Liu Ling,Tian Long,Jiang Xiuhong.Design on arc core-pulling mould for plastic tap based on Pro/E[J].Plastics Science and Technology,2014,42(2):90-92.
[4]衡思迎,常青,邓磊,等.基于UG二次开发的冲压模具静态干涉检查研究[J].模具制造,2017,17(10):24-26.Heng Siying,Chang Qing,Deng Lei,et.al.Study on static interference checking of stamping die based on the secondary development of UG[J].Die&Mould Manufacture,2017,17(10):24-26.
[5]于盛睿,严锋.基于几何特征的注塑模冷却系统干涉检查算法[J].中国塑料,2017,31(1):80-86.Yu Shengrui,Yan Feng.A method for interference checking of injectionMold cooling system based on geometry features[J].China Plastics,2017,31(1):80-86.
[6]王秋阳,李敏.装配仿真技术在某型航空发动机中的应用[J].机电信息,2018(18):113-115.Wang Qiuyang,Li Min.Application of assembly simulation technology in a certain aeroengine[J].Mechanical and Electrical Information,2018(18):113-115.
[7]杨晓巍,尤志军,王红亮.运动仿真干涉检查在车灯注射模设计中的应用[J].模具工业,2017,43(9):55-58.Yang Xiaowei,You Zhijun,Wang Hongliang.Application of motion simulation interference check in injection mould design of headlamp[J].Die&Mould Industry,2017,43(9):55-58.
[8]韦文龙,仲梁维,陈彩凤.基于二次开发的动态干涉检查系统设计与应用[J].软件导刊,2018,17(4):144-147.Wei Wenlong,Zhong Liangwei,Chen Caifeng.Design and application of dynamic interference checking system based on secondary development[J].Software Guide,2018,17(4):144-147.
[9]钟培荣.PROE二次开发技术在装配干涉检查中的应用[J].广西轻工业,2009,25(6):83-85.Zhong Peirong.Application of PROE Secondary development technology in assembly interference checking[J].Guangxi Journal of Light Industry,2009,25(6):83-85.
[10]刘庆华.基于SOLIDAIDmeister的自动线冲压模具运动干涉检查[J].模具技术,2013(2):19-22.Liu Qinghua.Motion interference inspection in auto stamping line die based on SOLIDAIDmeister[J].Die and Mould Technology,2013(2):19-22.
[11]唐黎明.自动弯管动态干涉检查的软件实现方法[J].时代农机,2017,44(5):61-62.Tang Liming.Software implementation method of dynamic interference check for automatic elbow[J].Times Agricultural Machinery,2017,44(5):61-62.
[12]卢琦,赵山杉,蔡昱,等.基于CATIA的舵机伺服系统运动干涉检查方法[J].机械工程师,2017(8):129-130.Lu Qi,Zhao Shanshan,Cai Yu,et al.Interference check method of aircraft actuator servo system based on CATIA[J].Mechanical Engineer,2017(8):129-130.
[13]张军,朱磊.基于CATIA的转向轮运动仿真干涉分析[J].产业与科技论坛,2017,16(10):59-60.Zhang Jun,Zhu Lei.Interference analysis of steering wheel motion simulation based on CATIA[J].Industrial&Science Tribune,2017,16(10):59-60.
[14]欧阳文凯.基于UG二次开发的注塑模辅助设计插件的设计[J].科教导刊(中旬刊),2014(2):47-49.OuYang Wenkai.Injection mold plug-aided design based on UGsecondary development[J].The Guide of Science&Education,2014(2):47-49.
[15]邢秀琴,邢秀娟,叶志忠,等.基于UG二次开发的模型软件设计[J].机械工程与自动化,2013(6):16-17.Xing Xiuqin,Xing Xiujuan,Ye Zhizhong,et.al.Design of model software based on secondary development of UG software[J].Mechanical Engineering&Automation,2013(6):16-17.