Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending

U-bending is one of the press-forming processes that has been widely used in the currentmanufacturing industry that involves sheet metal products. Springback phenomenonalways tends to occur in the forming process. After being produced, the bent componenttends to 'move' back to its original...

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Main Author: Nurul Jannah, Baharuddin
Format: Thesis
Language:English
Published: 2022
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Online Access:http://umpir.ump.edu.my/id/eprint/35731/1/Study%20on%20die%20shoulder%20patterning%20method%20%28DSPM%29%20onto%20minimizing%20springback%20of%20u-ending.ir.pdf
http://umpir.ump.edu.my/id/eprint/35731/
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Institution: Universiti Malaysia Pahang Al-Sultan Abdullah
Language: English
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spelling my.ump.umpir.357312023-11-01T08:03:31Z http://umpir.ump.edu.my/id/eprint/35731/ Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending Nurul Jannah, Baharuddin TJ Mechanical engineering and machinery TK Electrical engineering. Electronics Nuclear engineering TS Manufactures U-bending is one of the press-forming processes that has been widely used in the currentmanufacturing industry that involves sheet metal products. Springback phenomenonalways tends to occur in the forming process. After being produced, the bent componenttends to 'move' back to its original shape, which is known as springback. This affects thedimensional accuracy of the formed part. Much research has been done to investigate theparameters that help in minimizing the springback effect on the formed part. However,there is less research on friction provided directly by the Die Shoulder Patterning Method(DSPM) at the corner die shoulder to produce the minimize springback of hat-shapedparts. The actual performance of DSPM in springback behavior remains unclear. Hence,the research attempts to investigate the impact of four DSPM to the springback behavior.The press holding time, Pt (s) of blank and the blank width, w (mm) in the springbackeffect is studied too. The research also covers the interaction between DSPM, blank widthand press holding time in the springback effect. By utilizing these parameters, thelaboratory experiment is conducted, and their effects in springback behavior have beeninvestigated. It is found out that P2’s DSPM with 2 mm pitch size and 1.5 mm pitchdistance tends to have a smaller springback amount on the formed part. Moreover, alonger press holding time of blank helps in reducing the springback effect. Then, P2's hasmore pre-strain growth to deform with the help of longer press holding time to distributethe material flow uniformly. It is also found out that there is no interaction betweenDSPM and press holding time to the springback effects. Based on ANOVA, thehypothesis of interaction between DSPM and blank width to the springback effects wasrejected as it has minor impact on the experiments value. 2022-02 Thesis NonPeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/35731/1/Study%20on%20die%20shoulder%20patterning%20method%20%28DSPM%29%20onto%20minimizing%20springback%20of%20u-ending.ir.pdf Nurul Jannah, Baharuddin (2022) Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending. Masters thesis, Universiti Malaysia Pahang (Contributors, Thesis advisor: Ahmad Rosli, Abdul Manaf).
institution Universiti Malaysia Pahang Al-Sultan Abdullah
building UMPSA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang Al-Sultan Abdullah
content_source UMPSA Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
TS Manufactures
spellingShingle TJ Mechanical engineering and machinery
TK Electrical engineering. Electronics Nuclear engineering
TS Manufactures
Nurul Jannah, Baharuddin
Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending
description U-bending is one of the press-forming processes that has been widely used in the currentmanufacturing industry that involves sheet metal products. Springback phenomenonalways tends to occur in the forming process. After being produced, the bent componenttends to 'move' back to its original shape, which is known as springback. This affects thedimensional accuracy of the formed part. Much research has been done to investigate theparameters that help in minimizing the springback effect on the formed part. However,there is less research on friction provided directly by the Die Shoulder Patterning Method(DSPM) at the corner die shoulder to produce the minimize springback of hat-shapedparts. The actual performance of DSPM in springback behavior remains unclear. Hence,the research attempts to investigate the impact of four DSPM to the springback behavior.The press holding time, Pt (s) of blank and the blank width, w (mm) in the springbackeffect is studied too. The research also covers the interaction between DSPM, blank widthand press holding time in the springback effect. By utilizing these parameters, thelaboratory experiment is conducted, and their effects in springback behavior have beeninvestigated. It is found out that P2’s DSPM with 2 mm pitch size and 1.5 mm pitchdistance tends to have a smaller springback amount on the formed part. Moreover, alonger press holding time of blank helps in reducing the springback effect. Then, P2's hasmore pre-strain growth to deform with the help of longer press holding time to distributethe material flow uniformly. It is also found out that there is no interaction betweenDSPM and press holding time to the springback effects. Based on ANOVA, thehypothesis of interaction between DSPM and blank width to the springback effects wasrejected as it has minor impact on the experiments value.
format Thesis
author Nurul Jannah, Baharuddin
author_facet Nurul Jannah, Baharuddin
author_sort Nurul Jannah, Baharuddin
title Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending
title_short Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending
title_full Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending
title_fullStr Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending
title_full_unstemmed Study on die shoulder patterning method (DSPM) onto minimizing springback of u-ending
title_sort study on die shoulder patterning method (dspm) onto minimizing springback of u-ending
publishDate 2022
url http://umpir.ump.edu.my/id/eprint/35731/1/Study%20on%20die%20shoulder%20patterning%20method%20%28DSPM%29%20onto%20minimizing%20springback%20of%20u-ending.ir.pdf
http://umpir.ump.edu.my/id/eprint/35731/
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