Computer aided preform design in forging using the inverse die contact tracking method
The inverse die contact tracking method presented in this paper utilizes both the forward and inverse finite element simulations to design the preform shapes in forging processes. The procedure starts with the forward simulation of a candidate preform into the final forging shape. A record of the bo...
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| Veröffentlicht in: | International journal of machine tools & manufacture 1996-07, Vol.36 (7), p.755-769 |
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| container_title | International journal of machine tools & manufacture |
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| creator | Zhao, G. Wright, E. Grandhi, R.V. |
| description | The inverse die contact tracking method presented in this paper utilizes both the forward and inverse finite element simulations to design the preform shapes in forging processes. The procedure starts with the forward simulation of a candidate preform into the final forging shape. A record of the boundary condition changes is produced by identifying when a particular segment of the die makes contact with the workpiece surfaces in forward simulation. This recorded time sequence is then optimized according to the material flow characteristics and the state of die fill to satisfy the requirement of material utilization and forging quality. The modified boundary conditions are finally used as the boundary condition control criterion for the inverse deformation simulation. Additionally, a procedure to determine process staging points using trial forward simulation is given. As an example, the preform design of a plane strain forging process is performed. The fuller, buster and blocker dies are designed by using the inverse deformation simulation. |
| doi_str_mv | 10.1016/0890-6955(96)00123-X |
| format | Article |
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The procedure starts with the forward simulation of a candidate preform into the final forging shape. A record of the boundary condition changes is produced by identifying when a particular segment of the die makes contact with the workpiece surfaces in forward simulation. This recorded time sequence is then optimized according to the material flow characteristics and the state of die fill to satisfy the requirement of material utilization and forging quality. The modified boundary conditions are finally used as the boundary condition control criterion for the inverse deformation simulation. Additionally, a procedure to determine process staging points using trial forward simulation is given. As an example, the preform design of a plane strain forging process is performed. The fuller, buster and blocker dies are designed by using the inverse deformation simulation.</description><identifier>ISSN: 0890-6955</identifier><identifier>EISSN: 1879-2170</identifier><identifier>DOI: 10.1016/0890-6955(96)00123-X</identifier><identifier>CODEN: IMTME3</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Boundary conditions ; Computer aided design ; Computer simulation ; Dies ; Exact sciences and technology ; Finite element method ; Forming ; Inverse problems ; Mechanical engineering. Machine design ; Metals. 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The fuller, buster and blocker dies are designed by using the inverse deformation simulation.</description><subject>Applied sciences</subject><subject>Boundary conditions</subject><subject>Computer aided design</subject><subject>Computer simulation</subject><subject>Dies</subject><subject>Exact sciences and technology</subject><subject>Finite element method</subject><subject>Forming</subject><subject>Inverse problems</subject><subject>Mechanical engineering. Machine design</subject><subject>Metals. 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Machine design</topic><topic>Metals. Metallurgy</topic><topic>Press forming of metal foils and wires</topic><topic>Product design</topic><topic>Production techniques</topic><topic>Quality control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, G.</creatorcontrib><creatorcontrib>Wright, E.</creatorcontrib><creatorcontrib>Grandhi, R.V.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Mechanical Engineering Abstracts</collection><jtitle>International journal of machine tools & manufacture</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, G.</au><au>Wright, E.</au><au>Grandhi, R.V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Computer aided preform design in forging using the inverse die contact tracking method</atitle><jtitle>International journal of machine tools & manufacture</jtitle><date>1996-07-01</date><risdate>1996</risdate><volume>36</volume><issue>7</issue><spage>755</spage><epage>769</epage><pages>755-769</pages><issn>0890-6955</issn><eissn>1879-2170</eissn><coden>IMTME3</coden><abstract>The inverse die contact tracking method presented in this paper utilizes both the forward and inverse finite element simulations to design the preform shapes in forging processes. The procedure starts with the forward simulation of a candidate preform into the final forging shape. A record of the boundary condition changes is produced by identifying when a particular segment of the die makes contact with the workpiece surfaces in forward simulation. This recorded time sequence is then optimized according to the material flow characteristics and the state of die fill to satisfy the requirement of material utilization and forging quality. The modified boundary conditions are finally used as the boundary condition control criterion for the inverse deformation simulation. Additionally, a procedure to determine process staging points using trial forward simulation is given. As an example, the preform design of a plane strain forging process is performed. 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| ispartof | International journal of machine tools & manufacture, 1996-07, Vol.36 (7), p.755-769 |
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| source | Elsevier ScienceDirect Journals Complete - AutoHoldings |
| subjects | Applied sciences Boundary conditions Computer aided design Computer simulation Dies Exact sciences and technology Finite element method Forming Inverse problems Mechanical engineering. Machine design Metals. Metallurgy Press forming of metal foils and wires Product design Production techniques Quality control |
| title | Computer aided preform design in forging using the inverse die contact tracking method |
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