1) The laser beam has a high energy density, the heating process is extremely short, the solder joint is small, the heat affected zone is narrow, the welding deformation is small, and the weldment dimensional accuracy is...
Direct cause analysis The kiln system Q235-A is made of steel and has good electrical conductivity. The main responsibility of the accident is that He has no special operation qualification certificate, which is an illeg...
Resistance welding is divided into three types: spot welding, seam welding and butt welding. (1) Spot welding: the weldment is pressed between the two columnar electrodes, and is heated by electricity to melt the weldmen...
What is the characteristic of the composition of low carbon steel welded joints and the microstructure and properties of metals in various regions during electrode arc welding? (1) The welded joint consists of weld metal...