The varible polarity output process of the inverter AC arc welding power source we designed is a very quickly alternating dynamic one.
本文就采用脉冲稳弧的交流弧焊机的电路原理、焊接性能进行了分析和探讨。
The utility model relates to an electric welding machine, which particularly refers to a portable ac arc welding machine with iron shells.
本实用新型涉及一种电焊机，尤其是一种具有铁质外壳的手提式交流弧焊机。
Achieve the welding on low carbon steel pieces and low content alloy pieces with acid electrodes and basic electrodes. It is the best products of ac arc welding machines.
焊机可以实现酸性焊条或对低碳钢制件和低合金制件的焊接，是目前交流弧焊机最先进的产品，而且适用于重型工业领域焊接使用。
This article introduces the failure situation, failure analysis, failure inspection and repairing on the basis of examples, also it illuminates the refitting for AC arc welding machines.
列举检修实例，详细叙述了交流弧焊机的故障现象、故障分析、故障检查与修理；介绍了交流弧焊机的改装。
AC argon arc welding is used for the repair according to the leakage check and welding characteristics of aluminum materials, hardware device is strengthened, operation criterion are perfected.
采用的查漏方法，根据铝材的焊接特点选择交流氩弧焊进行修复，并采取增加硬件设施和完善操作规范的预防措施。
And the operation of various gas-shielded welding, ac and DC arc welding machine, stud welding machine, air plasma cutting machines and other ancillary products.
且经营各种气体保护焊机、交直流氩弧焊机、螺柱焊机、空气等离子切割机等配套产品。
A new system of inverter for arc welding is introduced in this paper, which gives medium frequency AC current.
本文介绍了一种新型交流逆变式弧焊电源。
This paper introduces the repair welding procedure for repairing an alumal casting piece of an oil pump cylinder, This method covers the shortages of AC argon arc weld and gas welding.
介绍了对油泵机缸体铝锰合金铸造件缺陷补焊修复的技术工艺，且弥补了若采用交流氩弧焊和气焊施焊时存在的不足。
The influence of He-to-Ar ratio in AC-TIG on the AZ31 welding properties was studied. The arc characters, weld penetration, joint forming were measured and analyzed.
探讨了氦气和氩气不同配比对AZ31 镁合金交流钨极惰性气体保护焊（TIG）焊接性的影响，对不同气体配比的混合气体电弧特性、熔深、焊缝成型进行了分析和测定。
The 2nd earthing ac voltage of arc welding machine does not exceed 200v, and DC peak value does not exceed 400v.
电焊机电缆的二次对地电压交流不超过200v，直流峰值不超过400v。
In AC TIG welding, it needs add some complex control method to ensure the quality of welding, such as negative-pole atomization affects, D. c. of elimination and reduce, and arc stabilizing etc.
在进行交流TIG焊时，需要增加一些较复杂的控制方式，如：阴极雾化作用、消除和减小直流分量、稳定电弧等，以保证焊接的正常进行。
According to the theoretical study and combining to the analysis of actual welding waveform, a new and flexible ac short-circuit arc welding was brought up.
为了适应交流短路过渡焊接方法，焊接过程采用了全新的波形控制方案。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.
双重逆变高速控制电流波形，电弧稳定性极高，高品质矩形交流波，降低焊接成本，提高焊缝质量。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.
双重逆变高速控制电流波形，电弧稳定性极高，高品质矩形交流波，降低焊接成本，提高焊缝质量。
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