试验结果表明，在回路电感值不变的条件下，焊接电流、电弧电压和气体流量是影响熔敷效率的主要因素。
Testing results show that the major factors affecting the deposition efficiency are the welding current, arc voltage and gas flow rate under the condition of same circuit inductance.
焊接工艺因素包括焊接电流、电弧电压、焊接速度等。
Welding process factors consist of welding electric current, electric arc voltage, welding speed, etc.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
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