Tbe different straightening methods with flame heating for side bending, hogging, angle distortion of rib plate, local unevenness of web and torsion of whole crane beam are introduced in the paper.

• 介绍了对焊接引起的吊车梁旁弯、拱度、翼板角变形及腹板局部不平直度以及吊车梁整体扭曲等变形所采用的不同火焰矫形工艺.