Large thick-wall special-shaped pipe cold roll forming method

• Main Authors: LIU NING, WEN WEILING, MA JINGLIANG, WEI DIMING
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2016
• Subjects: MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING

The invention belongs to the technical field of machine manufacturing, and particularly relates to a large thick-wall special-shaped pipe cold roll forming method. The method comprises the following steps that firstly, at the round pipe selecting stage, a round pipe with the corresponding diameter i...