The plasma cloud charge sensor was applied to detect the status of keyhole molten pool during pulsed plasma arc welding, furthermore, the detected signals were studied.
将等离子云传感器应用于脉冲等离子弧焊穿孔熔池小孔状态检测，并对检测信号的波形特征做了深入研究。
Weld spatter consists of particles of metal unintentionally ejected from the molten pool during welding and deposited on the surface of base or weld metal.
焊接溅落包括无意地从熔融池中溅出的金属颗粒并落到了母体金属或焊缝金属的表面。
The main feature of the device is able to observe arc and molten pool directly in coaxial direction so that the welding process is easily controlled and alignment of weld can be warranted.
其装置特点是能够轴向直接观察电弧和熔池状态，从而便于控制焊接过程，保证焊缝的对中性。
By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements.
随着焊接热输入量的增加，由于熔池搅拌、焊接应力、合金元素烧损等原因，马氏体的分布更加散乱和密集；
Welding defects such as collapse of molten pool, burning through, would like to happen in the high efficient gas shielded metal arc welding.
应用高效的气体保护熔化极电弧焊焊接铝合金薄板时，容易出现熔池下塌、烧穿等焊接缺陷。
Obtaining the dynamic characteristic information of molten pool and intelligent controlling in the welding process are focus of research in welding field.
焊接过程熔池动态特征信息获取与智能控制一直是焊接界研究的前沿课题。
Quite molten pool, little spatter and no undercut ensure workpiece be in good welding appearance.
焊接熔池平静，飞溅小，不咬边，焊缝成形美观。
The influence of the welding parameters on molten pool were studied by numerical simulation. The results showed the gap enhance the molten pool being ellipse.
另外，利用数值模拟方法还进行了工艺参数对熔池形态影响的研究，结果表明，对接间隙促进了熔池纵横向宽度的椭圆化。
The effect obviously is changed with welding time, and the effect of gap on shape of molten pool is analyzed as well as the rule of different parameter on the change of molten width is obtained.
分析了间隙对熔池形状的影响，得出不同工艺参数对熔宽变化的影响规律，并分析了电孤形态差异对接头的影响。
The result shows that the temperatures of molten pool surface and bottom are lower than those ones in arc welding. This is main cause of formation of low dilution rate.
结果表明，熔池表面和底部的温度都低于电弧焊，这是造成低稀释率的根本原因；
The result shows that the temperatures of molten pool surface and bottom are lower than those ones in arc welding. This is main cause of formation of low dilution rate.
结果表明，熔池表面和底部的温度都低于电弧焊，这是造成低稀释率的根本原因；
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