20240608

每週 (20240608)連續輥軋製程(花圖)、輥輪設計(COPRA RF) 練習：窗軌。

Weekly (20240608) Roll-forming process (roll flower) and roller design (COPRA RF) practice: Window Rail.

#REFERENCE:

[1] CN1059615C, Splay foot shaping method for rail bar of door or window, and its structure

, https://patents.google.com/patent/CN1059615C/

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Tags: #ColdRollForming , #RollForming , #RollFlower , #COPRA, #COPRARF, #COPRAFEARF.

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