Research Article

Precision Forming Technology for Crimping of Large Straight Welded Pipes

Table 1

Parameters of the crimping mold.

ParametersValue

Base radius of punch (mm)303.20
Terminal angle of the punch (°)88
Base radius of the die (mm)303.20
Terminal angle of the die (°)88
Length of crimping B (mm)190
Horizontal distance between the punch and die D (mm)80