Weekly roll-forming process design (roll flower) and practice:
Pentagonal-shaped pipe.
#REFERENCE:
[1] CN112588896B, 一種帶尖角非對稱五邊形薄壁冷彎鋼管的成型方法
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Tags: #ColdRollForming , #RollForming , #RollFlower , #COPRA, #COPRARF.