电弧焊

The gun body of vacuum plasma welding chamber for titanium and titanium alloy imported from Germany has been reformed based on the principle of compression effection of plasma arc and stability of electric arc.

为了满足大尺寸钛及钛合金电极的焊接要求，宝钛集团有限公司依据等离子弧的压缩效应原理及电弧的稳定性原理，对从德国引进的钛及钛合金真空等离子焊箱枪体的阴极和喷嘴进行了技术改造。

The Company QG chromium carbide hardfacing composite plate, using welding or brazing with metals produced by automatic arc welding alloy powder to add new process methods, the formation of hypereutectic high chromium multi-element alloys superhard wear-resistant layer, can significantly improve easy to wear pieces of equipment and steel production life.

本公司QG碳化铬耐磨堆焊复合钢板，采用焊丝或焊带产生的金属电弧添加粉末合金自动堆焊新工艺方法，形成过共晶高铬多元素合金系超硬耐磨层，可大幅提高易磨损设备及钢板制作件的使用寿命。

The twin-wire indirect arc gas-shielded welding is a new welding technology.

双丝间接电弧气体保护焊是一种新的焊接工艺。

Because of the difference of arc circuit, the welding process of twin-wire indirect arc gas shielded welding is more stable than single wire welding.

双丝间接电弧气体保护焊是一种新的焊接方法。

Based on the experiment of twin-wire narrow gap welding in single pool mode by employing alternative pulsed arcs, the influences of welding parameters on the appearance of weld and welding process stability were investigated.

采用交替脉冲，对双丝共熔池窄间隙焊进行工艺试验，研究了焊接参数对焊缝成形和电弧稳定性的影响。

The metal transfer and the conrresponding arc voltage and welding current in twin-wire indirect arc argon welding was investigated with high speed camera system based on a xenon lamp source and digital oscillogragh.

采用氙灯背光高速摄像系统及示波器对双丝间接电弧氩气保护焊的熔滴过渡及其对应的电压、电流波形进行了研究。

A stepper motor is taken as driver gear and a screw-driven device as running gear in the gun to realize the stud action procedure requested by arc stud welding

焊枪的机械结构部分以步进电机为动力机构，以螺旋传动装置为运动机构主体，实现了电弧螺柱焊所需的螺柱运动过程

The result shows that, when a free droplet transfer mode is applied in high-speed welding , the workpiece is heated by the arc throughout the process and thus the molten pool can not solidify in time.As a result, the molten pool is very long, which gives way to the instability of bead formareron and pinch effect of the liquid metal,so that it finally leads to the humping phenomenon. Based on the analysis and experimental result, the short-circuiting transfer mode is suggested to improve the bead formation in high-speed welding .

理论分析和试验结果均表明，采用自由过渡的熔滴过渡形式进行焊接，工件始终处于焊接电弧的加热下，在高速焊接时，熔池不能及时冷却，熔池明显拉长，由扰动引起的振动波长大，当熔池的拉长达到一定程度时，会发生液体金属的失稳和颈缩的现象，造成驼峰焊道。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。