激光焊接时正确选择侧吹工艺可以增大焊缝熔深。
The penetration depth of weld metal can be increased by selecting correct gas-assisting blowing in laser welding.
以动量守恒原理为基础，建立了侧吹射流轴轨迹的数学模型。
A mathematical model for the trajectory of the jet axis was proposed on the principle of momentum conservation.
为考察顶吹氩、侧吹氩及底吹氩的冶金效果，分别进行了三种吹氩工艺的对比试验。
Comparative experiments were conducted to investigate the metallurgical, effects of top, bottom side and bottom argon blowing techniques.
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