采用先进的双丝窄间隙埋弧焊设备和专用焊接工艺，成功地焊接了大厚壁高压蓄势器，质量检查全部合格。

An advanced double wires narrow gap SAW technique, equipment and special procedure have been used to weld high pressure storage tanks successfully with high quality welding joints.

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从其焊接设备的要求、 保护气体以及其熔滴过渡控制、焊接过程等几个方面，详细介绍双丝MAG焊的工艺及其特点。

This article illuminates the process and characteristic of double-wire MAG welding from requirements of welding machine, gas, metal transfer control and welding process.

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根据设备的技术要求设计了系统硬件和PLC应用软件，该系统已用于自制双丝电渣焊设备。

According to the specification of equipment, the hardware and PLC application software have been designed. This control system has been used in double wires electroslag welding.

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