1. The position of the rack welding port should avoid the stress concentration area and facilitate welding processing. 2. The groove of the steel structure should be processed according to the process...

The grooves at both ends reduce the influence of stress concentration on dynamic loads. After the weld is formed, the two ends can be left on the weldment unless it does not affect its use. Otherwise,...

1. The frame welding must ensure symmetry, balance, and verticality, and must be made according to the size requirements of the drawing 1. During welding, the welding surface must not have defects suc...

Shot blasting uses the centrifugal force of the impeller on the shot blasting machine when it rotates at high speed to shoot the shot at the surface of the steel being treated at a high linear speed, ...

1. Strictly implement standards and specifications (1) "Code for Acceptance of Construction Quality of Steel Structure Engineering" GB50205-2001; (2) "Surface Treatment of Steel Materials Before Coati...