Sheet metal welding is a commonly used process in metal sheet metal processing, which combines parts according to requirements. However, in specific manufacturing and processing, if the operation is incorrect, it will cause deformation of the product workpiece. How to avoid deformation during sheet metal welding processing? What should I pay attention to? Next, the editor will share with you.
Precautions for sheet metal welding processing
(1) Reasonably select the construction sequence. For welded components with a large number of components, the individual welding gaps of the components should be corrected before installing the overall welding gap. This way, the deformation is always smaller than assembling the components first and then welding. At the same time, some areas can be installed while welding, and the operation is also very convenient.
(2) Select the appropriate construction sequence. To avoid welding deformation, strip welding, back welding, and symmetrical welding methods should be adopted in the construction sequence.
(3) Reverse deformation method. It is to provide a deformation of the welded part before welding that is opposite to the deformation angle after welding, and the deformation of the product workpiece is exactly offset by the welding gap before welding.
(4) Rigid stabilization method. This method is very effective in reducing welding deformation.
(5) Select the appropriate welding method. The power density of the welding gap in the heat treatment of various welding methods is different from that in the heat energy introduction. For thin plate welding, select a welding method with high power density, such as CO2 gas shielded welding, plasma arc welding instead of gas welding and manual arc welding, which can reduce the welding deformation. When welding aluminum and aluminum alloy structures, gas welding causes much greater deformation than manual argon arc welding.
The above is Gu Ermei's sharing on how to avoid welding deformation in sheet metal processing. Welcome to leave a message.
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