| 缸体CAPP系统制造特征建模与非几何信息获取 |
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| 引用本文： | 刘海江,孙玉国,陈阳.缸体CAPP系统制造特征建模与非几何信息获取[J].同济大学学报(自然科学版),2003,31(10):1201-1205. |
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| 作者姓名： | 刘海江 孙玉国 陈阳 |
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| 作者单位： | 同济大学,机械工程学院,上海,200092 |
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| 基金项目： | 上海汽车工业科技发展基金资助项目 (2 3 67A) |
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| 摘 要： | 对发动机缸体结构与加工特征进行了分析 ,从计算机辅助工艺规划 (CAPP)需求的角度应用Pro/E建立了缸体的特征信息模型 .利用Pro/Toolkit对Pro/E进行了二次开发 ,对零件特征信息模型的非几何信息进行获取 ,利用EXPRESS语言将非几何信息写入缸体CAPP系统的低层数据库 .较好地解决了发动机缸体CAD/CAPP系统特征信息模型建立与数据共享问题
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| 关 键 词： | 发动机缸体 特征 计算机辅助工艺规划 非几何信息 |
| 文章编号： | 0253-374X(2003)10-1201-05 |
| 修稿时间： | 2002年10月30 |
On Creation of Product Feature Model and Extraction of Non-geometry Information in Engine Cylinder Body CAPP System |
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| LIU Hai-jiang,SUN Yu-guo,CHEN Yang.On Creation of Product Feature Model and Extraction of Non-geometry Information in Engine Cylinder Body CAPP System[J].Journal of Tongji University(Natural Science),2003,31(10):1201-1205. |
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| Authors: | LIU Hai-jiang SUN Yu-guo CHEN Yang |
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| Abstract: | In the engine cylinder body computer aided process planning(CAPP) system development,the structure and manufacturing feature of the cylinder body are analyzed firstly.The cylinder body's product feature model is then created in terms of CAPP system's demand using the Pro/Engineer software.The application program interface(API) of Pro/Engineer,Pro/Toolkit,is used to extract the product's non-geometry information(such as size tolerance,geometry tolerance,size,position tolerance,roughness and material's property).And the product's tolerance information and the material's parameters are then imported into the CAPP system based on oracle database managing system(DBMS) using the EXPRESS language. |
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| Keywords: | engine cylinder block feature computer aided process planning non-geometry information |
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