The Effect of Flange Length on the Distribution of Longitudinal Strain during the Flexible Roll Forming Process
Flexible roll forming is an advanced sheet metal forming process which allows the production of variable cross-section profiles. In flexible roll forming process, nonuniform transversal distribution of the longitudinal strain can cause the longitudinal bow, which is deviation in height of the web ov...
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| Veröffentlicht in: | Materials science forum 2018-04, Vol.920, p.46-51 |
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| creator | Woo, Young Yun Kang, Pil Gyu Oh, Il Yeong Moon, Young Hoon |
| description | Flexible roll forming is an advanced sheet metal forming process which allows the production of variable cross-section profiles. In flexible roll forming process, nonuniform transversal distribution of the longitudinal strain can cause the longitudinal bow, which is deviation in height of the web over the length of the profile. To investigate the effect of flange length on the transversal distribution of the longitudinal strain, FEM simulations are conducted with different flange length for three blank shapes; trapezoid, convex and concave. The result shows that the longitudinal strain and longitudinal bow decrease with increasing flange length for a trapezoid and a concave blank. For a convex blank, the longitudinal strain and longitudinal bow increase with increasing flange length. To validate FEM simulation result, numerically obtained longitudinal strain has been compared with experimental results. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.920.46 |
| format | Article |
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In flexible roll forming process, nonuniform transversal distribution of the longitudinal strain can cause the longitudinal bow, which is deviation in height of the web over the length of the profile. To investigate the effect of flange length on the transversal distribution of the longitudinal strain, FEM simulations are conducted with different flange length for three blank shapes; trapezoid, convex and concave. The result shows that the longitudinal strain and longitudinal bow decrease with increasing flange length for a trapezoid and a concave blank. For a convex blank, the longitudinal strain and longitudinal bow increase with increasing flange length. 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In flexible roll forming process, nonuniform transversal distribution of the longitudinal strain can cause the longitudinal bow, which is deviation in height of the web over the length of the profile. To investigate the effect of flange length on the transversal distribution of the longitudinal strain, FEM simulations are conducted with different flange length for three blank shapes; trapezoid, convex and concave. The result shows that the longitudinal strain and longitudinal bow decrease with increasing flange length for a trapezoid and a concave blank. For a convex blank, the longitudinal strain and longitudinal bow increase with increasing flange length. To validate FEM simulation result, numerically obtained longitudinal strain has been compared with experimental results.</description><subject>Computer simulation</subject><subject>Finite element method</subject><subject>Metal forming</subject><subject>Metal sheets</subject><subject>Roll forming</subject><issn>0255-5476</issn><issn>1662-9752</issn><issn>1662-9752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkF9LwzAUxYMoOKffISA-dktvm7R9EJG5qjBRdD6HLEu2SE1mkjL99mZO8NWnC_ecc__8ELrIyagkUI-32-0oSKNsNNrIkVVx_PDSjhpIOjtAg5wxyJqKwiEaEKA0o2XFjtFJCG-EFHmdswFy87XCU62VjNhp3HbCrhSeKbuKa-wsjkm-MSF6s-ijSY1kmjm7MrFfGis6_BK9MBYve2_s6sfedurTLDqFn13X4db5953y5J1UIZyiIy26oM5-6xC9ttP55C6bPd7eT65nmQRWs6wBtZR0AZTAsi7rJqcVlFoQKVihC6hFKanIK0UAqkKUNQgqaHqIFLVQTC-KITrfz91499GrEPmb6306OHDImwaKhgBLrsu9S3oXgleab7x5F_6L54TvGPPEmP8x5okxT4x5YszLXf5qn08QbIhKrv_W_G_CN2TbjZU</recordid><startdate>20180401</startdate><enddate>20180401</enddate><creator>Woo, Young Yun</creator><creator>Kang, Pil Gyu</creator><creator>Oh, Il Yeong</creator><creator>Moon, Young Hoon</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>M2P</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0002-8833-3082</orcidid></search><sort><creationdate>20180401</creationdate><title>The Effect of Flange Length on the Distribution of Longitudinal Strain during the Flexible Roll Forming Process</title><author>Woo, Young Yun ; 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In flexible roll forming process, nonuniform transversal distribution of the longitudinal strain can cause the longitudinal bow, which is deviation in height of the web over the length of the profile. To investigate the effect of flange length on the transversal distribution of the longitudinal strain, FEM simulations are conducted with different flange length for three blank shapes; trapezoid, convex and concave. The result shows that the longitudinal strain and longitudinal bow decrease with increasing flange length for a trapezoid and a concave blank. For a convex blank, the longitudinal strain and longitudinal bow increase with increasing flange length. To validate FEM simulation result, numerically obtained longitudinal strain has been compared with experimental results.</abstract><cop>Pfaffikon</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/MSF.920.46</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-8833-3082</orcidid></addata></record> |
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| subjects | Computer simulation Finite element method Metal forming Metal sheets Roll forming |
| title | The Effect of Flange Length on the Distribution of Longitudinal Strain during the Flexible Roll Forming Process |
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