The quality of cutting can meet the requirement of subsequent laser butt - welding.
2
焊缝位置和壁厚差异变化时,拼焊管各区域的应力状态保持不变。
Weld-seam position and thickness difference do not affect stress and strain states.
3
某核电站除氧器水箱尺寸较大,其2条环焊缝需在现场拼焊,焊接和热处理难度很大。
Due to the large size of the deaerator water tank of a nuclear power station, in-situ welding is required for 2 ring butt welds, causing difficulties in welding and heat treatment.