In the process of steel structure processing, steel component deformation is a common problem, which is caused by what reason? How should it be avoided resolved? Below, Guangdong Tianchen Steel Structure Engineering Co. , ltd.-guangdong steel structure engineering, steel structure plant, steel structure engineering manufacturers to take a look at it together. The operation method to reduce the welding thermal deformation of steel structure processing: 1, fixture fixing method: use a rigid fixture clamping combination welding, using force to control deformation, then welding, this method is called fixture fixing method. When welding, the expansion force the contraction force produced inside the welding part are limited by the Action Force of the fixture, which can obviously reduce the deformation. However, there is a large internal stress in the welding parts by this method, so it is suitable to use this method for the components that require a small internal stress in the welding parts. 2. Anti-deformation method: before welding, the components should be judged according to the condition of the welded metal components. When cooling after welding, the deformation direction shrinkage amount will bend skew the welding piece in the opposite direction in advance. The welding deformation can be prevented the welding stress can be reduced. 3. Adopting the positioning control method: before welding, the component uses many solder joints to position the welding part around, can also press the weight on both sides of the welding seam. This method is called the positioning control method. 4. Welding sequence method: the correct arrangement of welding sequence is an effective method to prevent welding deformation. The rule of welding deformation is that the deformation caused by one weld is large, the deformation caused by each weld can cancel each other.

　　The causes of steel structure deformation: 1. The deformation of complex steel structure, mainly hot deformation, cold deformation related components can be assembled as a whole. 2. The thermal deformation is often caused by improper welding technology; the cold deformation is caused by large volume poor rigidity; the interrelated components can be assembled as a whole, which is related to inaccurate lofting, incorrect assembly sequence deformation.