查询词典 arc welding

Arc welding power source is important part of welding system. It is difficult to effectually evaluate dynamic characteristic of arc welding power source in the field of welding.

弧焊电源是焊接系统的重要组成部分，将直接影响焊接过程的稳定性及焊接工艺性能。

Through testing practically and calculating theoretically, this paper has evaluated generally the energy consumption of the SCR arc welding power source?the DC arc welding generator and the inverter arc welding power source for manual arc welding machine used in production.

通过实际测试与理论计算，对晶闸管整流电源弧焊机、直流弧焊发电机和逆变电源弧焊机等生产中常用的焊条电弧焊焊机的耗电量情况进行了综合评价。

ABSTRACT The research of metal transfer in metal gas arc welding is of great significance for the control of arc welding process and quality, the improvement of existing welding technology and the development of new welding equipment. With the powerful aid of welding arc spectrum which contains plenty of information of metal droplet transfer, this dissertation, which mainly aims at putting forward an effective detecting method with arc spectrum signal, has inspected the spectrum of metal gas welding arc and discovered their dynamic characteristics of each kind droplet transfer mode.

熔化极气体保护焊熔滴过渡的研究，对于焊接过程及质量控制、焊接工艺方法的改进和新型焊接设备的推出都具有重要意义，而熔化极气体保护焊电弧光谱中含有丰富的反映熔滴过渡的信息。

In this paper, it bas been studied by the slope-controlled SCR rectifier that external characteristic of welder relate to arc digging action and the strong arc force of arc the strong arc force of arc welding power source in manual arc welding formed.

利用一种特制的变结构可控硅整流焊机，研究不同焊机外特性对电弧穿透力的影响；探讨了手工电弧焊强电弧力形成机理；并且指出正确设计电源外特性，是获得较强电弧穿透力的途径。

The company already has strong manufacturing capabilities and improve the detection equipment and instruments, has introduced products that have BX1, BX3, BX6 Series AC arc welding machine, ZXE1 Series AC-DC dual-use arc welding machine, WS series of manual TIG welding machines directly, LGK8 series plasma cutting machine, NBC series of carbon dioxide gas shielded welder, ZX5 Series Thyristor rectifier arc welder, ZX6 series three-phase rectifier arc welding machine, Products exquisite workmanship, excellent performance, reasonable structure, novel modeling and at the same time, the company invested in the continuing strength in science and technology and the use of foreign technology to market.

公司已具有雄厚的制造能力和完善的检测设备及手段，先后推出的产品有BX1、BX3、BX6系列交流弧焊接机，ZXE1系列交直流两用弧焊机，WS系列手工直接钨极氩弧焊机，LGK8系列等离子切割机，NBC系列二氧化碳气体保护焊机，ZX5系列晶闸管整流弧焊机，ZX6系列三相整流弧焊机，产品工艺精湛，性能优良，结构合理，造型新颖，同时，公司在不断的投入科技力量，并采用国外技术将产品投放市场。

Nebula Series digital inverter welding machine Products include: manual welder, argon arc welding machine DC pulse argon arc welding machine, argon arc spot welding, melting pole gas shielded welding machine, gas shielded MIG pulse welding machine and six functional welding machine more than 30 varieties.

Nebula系列数字化逆变焊机产品有：手工焊机、直流氩弧焊机、脉冲氩弧焊机、氩弧点焊机、熔化极气保焊机、熔化极脉冲气保焊机及六功能焊机等30多个品种。

Behavior of welding arc plasma,characteristic of welding voltage,local changes of electron temperature and electron density were investigated respectively with high speed camera,inductance gauge of current and voltage,spectrometer in low power YAG laser-gas metal arc welding hybrid welding process comparing with simple GMAW welding case.

采用高速摄像机、电流电压采集仪及光谱分析仪分别研究低功率YAG激光-熔化极气体弧焊复合焊接过程中的电弧形态、电压特点及局部电子温度、密度变化。

The main products include: CO2 gas shielded welder series, MZ series of submerged arc welding machine, all kinds of special welding, air plasma cutting machine series, argon arc welding machine series, vacuum flowmeter series, as well as accessories such as welding.

主要产品包括：CO2气保护焊机系列、MZ埋弧焊机系列、各种焊接专机、空气等离子切割机系列、氩弧焊机系列、减压流量计系列以及焊接配件等。

The company mainly produces: NBC, NB series of gas protection welder, MZ series of automatic submerged arc welding machine, RSR series storage stud welding machine, WS series inverter inverter machines, LGK8 series of air cutting machine, ZX5, ZX7 series DC arc welding machine, BX series of exchanges, such as arc welding machine over 80 kinds of welding equipment.

本公司主要生产：NBC、NB系列气体保护焊机、MZ系列自动埋弧焊机、RSR系列储能螺柱焊机、WS系列逆变直流氩弧焊机、LGK8系列空气切割机、ZX5、ZX7系列直流弧焊机、BX系列交流弧焊机等80多种焊接设备。

The results show that laser-arc welding can achieve full penetration by single-path butt jointing through appropriate parameters; Y shape groove with 8 mm truncated edge can enhance the penetration ability of laser-arc hybrid welding. Low welding speed is good for penetration, however the limitation still exists for hick plates joint. Gap is significant factor of penetration when work pieces is large thickness. The hardness of thick plates joint shows that there is big difference in mold of vertical thermal cycle using laser-arc hybrid welding.

结果表明：通过激光功率等焊接规范匹配，激光-电弧复合焊接能实现20 mm厚板的全熔透单道对接；钝边为8 mm的Y形坡口有助于提高厚板激光-电弧复合焊缝熔透能力；降低焊接速度有利于提高熔深能力；工件厚度较大时，装配间隙对焊缝熔深能力的影响较为显著；接头硬度表明厚板激光复合焊焊缝纵向热循环模式存在较大差异。

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。