Weekly (20240420) Roll-forming process (roll flower) design (COPRA RF) and practice: Door Impact Beam.
#REFERENCE:
[1] KR102063362B1, Manufacturing method of door impact beam by roll forming, https://patents.google.com/patent/KR102063362B1/.
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Tags: #ColdRollForming , #RollForming , #RollFlower , #COPRA, #COPRARF, #COPRAFEARF.
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