敷率高，焊缝成形好，焊接变形小。
Metal cladding high rate of weld forming, welding deformation small.
热影响区小、变形小、焊缝成形美观。
Small heat influence area, low distortion, beautiful welding gap.
电弧柔和集中、噪音小，焊缝成形美观。
Electric arc is mild and centralized, low noise, beautiful welding gap.
弧长太长会产生气孔及焊缝成形差等焊接缺陷。
On the contrary, it will create weld porosity and poor formation.
焊接熔池平静，飞溅小，不咬边，焊缝成形美观。
Quite molten pool, little spatter and no undercut ensure workpiece be in good welding appearance.
所以控制电弧后拖是高速焊改善焊缝成形的关键。
Use alternating transverse magnetic-field to control dragged arc, overcome weld undercut, and improve the appearance of weld.
具有飞溅小，熔深比大，操作简便、焊缝成形好等特点。
It possesses the merits of small splash, large melting depth rate, simple operation and good weld-seam shaping etc.
分析了高速CO2焊接过程中短路过渡参数对焊缝成形质量的影响。
The effects of the short-circuiting transfer parameters on weld formation quality in high speed CO2 welding process were analyzed.
结果表明：只有采用合适的离焦量，才有可能获得较好的焊缝成形质量。
Experimental results showed that reasonable defocusing value should be adopted in order to get better weld seam shaping quality.
新控制法可以明显地减小飞溅，改善焊缝成形和扩大合理的焊接规范区。
It is proved that the new control method can obviously reduce the spattering loss, improve the weld formation and broaden the criteria of the optimum welding conditions.
结果表明：在相同工艺参数条件下，活性剂成分对焊缝成形有明显影响。
The results show that under the same process, the component of activating flux has obvious effect on weld formation.
探讨了波控参数对焊缝成形的影响，并通过大量试验对波控参数进行优化。
The effect of waveform control parameters on weld appearance was analyzed, and the parameters were optimized.
焊接工艺试验表明，根据该模型计算的焊缝成形与试验测试结果吻合程度良好。
TIG welding experiments show that the predictions of the model have a good agreement with the experimental observation with respect to weld pool shape.
该数学模型可用于焊缝成形质量的监测与控制，也可用于焊接规范的优化设计。
It can be used for monitoring and controlling welding quality, and also be used for optimizing welding. conditions.
试验结果表明，自适应控制方法可以实现对铝合金TIG焊缝成形的良好控制。
The experiments show that adaptive system is excellent in controlling weld bead for aluminium alloy TIG welding.
采用该焊接工艺能提高生产效率，降低焊接成本，焊接质量可靠，焊缝成形美观。
The application of this process can raise the productivity and reduce the welding costs, the quality is reliable and the welding seam forms good shape.
当磁感应强度和频率匹配合适时，焊缝成形良好，焊缝组织几乎为细小的等轴晶。
With optimum magnetic intensity and frequency, the weld microstructures were almost fine equiaxed grains and the weld shape was.
通过试验证明，严格控制焊接电流和离子气流量，可以对焊缝成形进行有效控制。
Through experimental measuremnet, the optimum current and gas flow rate for strictly controlling the bead forming process are found out.
主要研究在304不锈钢焊接时涂敷活性焊剂和未涂敷活性焊剂对焊缝成形的影响。
Effect of stainless steel 304 A-TIG welding with and without activating fluxes are studied.
研究了填充合金粉对CO_2激光焊接功率阈值、焊缝成形和焊接过程稳定性的影响。
The influences of the filler metal powder on the laser power density threshold value, weld formation and process stability were studied during CO_2 laser welding of aluminum alloy.
通过对不同电流波形的实验研究，结果表明采用电流波形控制可以有效地改善焊缝成形。
Through the experiments of the different current waveform, the results show that the current waveform control is an effective method to improve the quality of the weld formation.
研究结果表明：该方法能够实现对焊点焊接时间的实时控制，获得均匀稳定的焊缝成形。
The research indicates that this method can control the welding time of a weld and that the stable and uniform weld formation is acquired.
结果表明，采用椭圆形光斑和矩形光斑进行激光填丝熔钎焊均可获得较满意的焊缝成形。
Experimental results show that both ellipse spot and rectangular beam can gain the good weld appearance.
使用DSP控制使焊机的可靠性得到提高，保证了焊缝成形美观，实现了焊机数字化控制。
With DSP control to improve the reliability of welding to ensure that the weld appearance, the basic realization of digital control of welding machine.
研究了间歇交变纵向磁场TIG焊接不同材料(低碳钢、不锈钢和铝合金等)的焊缝成形。
This article introduces weld formation of low carbon steel, stainless steel and al alloy by TIG welding in longitudinal intermittent alternative magnetic field.
在穿孔等离子弧焊接过程中，小孔稳定性对焊接过程的稳定和优质的焊缝成形是非常关键的。
Keyhole stability during plasma arc welding welding process is critical to the process stability and weld quality.
双丝共熔池气体保护焊（TCGMAW）的熔滴过渡对焊缝成形以及焊接质量具有重要的影响。
The droplet transfer in the twin-wire co-pool gas-shielded metal arc welding(TCGMAW) process greatly affects the welding seam appearance and the welding quality.
虽然离子气流量的变化对穿孔熔池的孔径影响较小，但对熔池金属的流动性和焊缝成形影响较大。
The variation of the plasma gas flow can heavily influence the fluidity of the puddle metal and the weld formation though the diameter of the keyhole is hardly changed.
主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。
The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.
主要研究A105钢小直径焊丝埋弧焊时，电弧电压、焊接电流和焊接热输入对焊缝成形的影响。
The effects of arc voltage, welding current and heat input on the weld appearance in submerged-arc welding(SAW) of A105 steel with small diameter welding wire were experimentally researched.
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