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《China Mechanical Engineering(中国机械工程)》 2006-01
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Research on Graph-based Recognition of Undercut Features from Molded Part

Shao JianLu ZhenKe Yinglin Zhejiang University, Hangzhou, 310027  
A new graph-based recognition method of undercut features from molded part was proposed. Attributes of node and edge in Face Adjacency Attribute Graph(FAAG) were extended to form Extended Face Adjacency Attribute Graph(EFAAG). Based on these theories, concave, convex and through undercut features were defined accordingly and sub-graphs of the undercut features were recognized from EFAAG of the molded part by graph matching. Feature orientation of each recognized undercut features was determined by visibility map and optimized parting direction was chosen from these feature orientations. The case study shows that the proposed method is available in recognizing the undercut features and improves the efficiency in undercut feature recognition.
【Fund】: 浙江省重大科技攻关项目(2003C11042)
【CateGory Index】: TP391.72
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【References】
Chinese Journal Full-text Database 2 Hits
1 ZHANG Xin-qiu;WANG Yi-lin;State Key Laboratory of Material Processing and Die & Mould Technology,Huazhong University of Science & Technology;;Recognition of plastic part undercut features in design of side core-pulling mechanism in injection mould[J];Die & Mould Industry;2014-05
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 Bao Jun, Xing Zhong-wen, Yang Yu-ying, Hu Jian ( School of Mechanical and Electrical Engineering, Harbin Institute of Technology; Harbin 150001 China, School of Material Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China);An algorithm for freeform surface feature recognition of automobile panel[J];Material Science and Technology;2004-05
2 WU Yan-bing,XU Chao(Southeast University,Nanjing 210096,China);Machinable Feature Recognition Based on the 3D Sheet Metal Part Model[J];Group Technology & Production Modernization;2007-03
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6 HE Ping, MIAO Si-en, WANG Chang-qian,YANG Zhang;Implementation of Graphic Recognition in Fault Diagnosis System for Turbogenerator Units[J];Power System Engineering;2005-03
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8 LIU Yun-hua, CHENG Li-ping, ZHONG Yi-fang (CAD Center of Huazhong University of Science and Technology, Wuhan 430074 , China);Research on Fillet Feature Recognition[J];Journal of Engineering Graphics;2004-01
9 LUO Yue-tong1,LIU Xiao-ping1,2(1.VCC Division,School of Computer and Information,Hefei University of Technology,Hefei Anhui 230009,China;2.12 Division,Institute of Plasma Physics,Chinese Academia of Sciences,Hefei Anhui 230031,China);3D Feature Recognition and Its Application in MCAM[J];Journal of Engineering Graphics;2006-01
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【Co-references】
Chinese Journal Full-text Database 10 Hits
1 WANG Yilin, LIU Zhijian, LI Jianjun ( Huazhong University of Science & Technology, Wuhan 430074, Hubei China );Model Reconstruction Oriented Feature Recognition for Sheet Forging Parts[J];China Metal Forming Equipment & Manufacturing Technology;2006-02
2 LIU Yun-hua, CHENG Li-ping, ZHONG Yi-fang (CAD Center of Huazhong University of Science and Technology, Wuhan 430074 , China);Research on Fillet Feature Recognition[J];Journal of Engineering Graphics;2004-01
3 LUO Yue-tong1,LIU Xiao-ping1,2(1.VCC Division,School of Computer and Information,Hefei University of Technology,Hefei Anhui 230009,China;2.12 Division,Institute of Plasma Physics,Chinese Academia of Sciences,Hefei Anhui 230031,China);3D Feature Recognition and Its Application in MCAM[J];Journal of Engineering Graphics;2006-01
4 HUA Guangru1,ZHOU Xionghui2(1.School of Mechanical Engineering,North China Electric Power University,Baoding Hebei 071003,China;2.National Die & Mold CAD Engineering Research Center,Shanghai Jiaotong University,Shanghai 200030,China);The Status and Problems of Feature Recognition and Its Solutions[J];Machine Tool & Hydraulics;2008-04
5 ZHANG Jian-xun1, HONG Sha2 (1. School of Computer Science & Engineering, Chongqing Institute of Technology, Chongqing 400050,P.R.China;2. School of Software Engineering, Chongqing University, Chongqing 400044, P.R.China);Features Recognition of Parts Drawing Based on BP Neural Network of Genetic Algorithms[J];Journal of Chongqing Architecture University;2005-03
6 CUI Xiu-fen, GAO Shu-ming, ZHOU Guang-ping);An Efficient Algorithm for Recognizing and Suppressing Blend Features[J];Computer Integrated Manufacturing Systems;2004-01
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1 ZHANG Ke-long;Technology Center of SAIC Motor;;Injection mould for automobile bumper[J];Die & Mould Industry;2015-04
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