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- In this paper,arc voltage of PMIG welding is controlled by Fuzzy controller.The welding arc is steady in welding process and the appearance of weld is good. 本文介绍作者拟对脉冲熔化极气体保护焊(PMIG焊)焊接过程中的电弧电压参数进行模糊控制,取得了良好的焊接电弧稳定性和焊缝成形的效果。
- welding arc voltage 焊接电弧电压,焊弧电压
- This is beacause that the the addation of arc voltage means the decreasement, so the enlargement of are swing makes the increasement of weld width. 这是因为电弧电压增加意味着电弧的长度增加，因此电弧摆动范围扩大而导致焊缝宽度增加。
- In the welding process of the ZA alloy,the effect of flux on the shape and voltage of the welding arc were investigated by using a high-speed camera and oscillograph. 针对活性剂等离子弧焊焊接过程,对焊接电弧外形的变化,焊接电弧力与活性剂之间的关系进行了研究,并建立了活性剂等离子弧焊焊接电弧轴向压强模型。
- Arc voltage: :When the other conditions don't change, the arc voltage is added, the weld width will increase notably,but theweld depth and weld reinforcement will decrease smally. 电弧电压：当其它条件不变时，电弧电压增大，焊缝宽度显著增加而焊缝和余高将略有减少。
- Extended A/D translation circuit and sample circuit of welding paramet er are employed to realize the date acquisition of arc voltage and welding curre nt in the welding process. 控制器外扩A/D转换电路、焊接参数采样电路,在焊接过程中对电弧电压及焊接电流进行数据采集处理。
- It is pointed out that enlarging the arc voltage, improving the welding speed, enhancing coating plasticity are the important approaches of solving the problem. 从提高电弧电压、提高焊条熔化速度、提高药皮塑性三方面改善不锈钢焊条的工艺性能,较好地解决了这一问题。
- 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. 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。
- When used shielded metal arc welding,arc voltage is one of technical parameters which is very difficult to control,sometimes it can bring forth a certain extent effect to welding quality. 采用手工电弧焊进行焊接时,电弧电压是一个很难控制的工艺参数,有时对焊接质量产生较大影响。
- A microcomputer controlled IGBT inverter power source for pulsed MIG welding is developed.It realizes the self adaptive control and closed loop control of arc voltage in pulsed MIG welding process. 建立了微机控制和IGBT逆变式脉冲MIG焊电源系统，实现了MIG焊接过程弧压自适应闭环控制。
- It can cause the welding arc to travel correctlyalong either a straight weld seam or a curvilineal weld seam. 试验表明这种焊缝跟踪控制装置是灵敏的，它能克服偏差，正确跟踪直焊缝和曲线焊缝。
- Ignite easy,stable welding arc ,high constant current,widely adjustable output current. 引弧容易,焊弧稳定,熔池深,电流高度恒定,电流调整范围宽
- The works is significant and valuable to the study of underwater welding arc physics and welding metallurgic. 本研究工作对水下焊接电弧物理及焊接冶金的研究有参考价值。
- At the special request of the flux-cored wire welding underwater, the welding arc control system is developed. 根据药芯焊丝水下焊接的要求,研制了一套水下焊接电弧控制系统。
- With the increasing of helium content in the mixed gases,the arc voltage increase,and the ... 随着混合气体中氦气比例的增加,熔深和熔宽均增加,但熔深增加得更明显一些。
- Reactance required to smooth the ripple and reduce spatter means: more weight, lower arc voltage and generates unnecessary heat and current loss. 需要电抗器滤波以降低飞溅,使得重量更大,起弧电压更低,并产生不必要的热量和电流损耗。
- Arc blow, plasma streaming, and metal transfer are some of the welding arc characteristics strongly influenced by the presence of the magnetic fields. 磁场的存在对于电弧偏吹、等离子体流以及金属过渡等基本的电弧的性能产生强烈的影响。
- Base on the wave controlling, a fuzzy control syste m of welding arc self-sening for synergic CO2 short circuit arc welding is dis cussed. 介绍了一种在波形控制基础上，采用电弧自身传感的协同式模糊控制方法对焊接过程参数进行实时控制的逆变式CO2焊机控制系统。
- Now the back commutation, during which arc moves in and out of chutes, leads to arc voltage drop and worsen the performance of circuit breaker. 但目前发现在开断过程中电弧反复进出灭弧栅片的背后击穿现象引起电弧电压的突降，降低了开断性能。
- The result of test shows that this electrode structure can reduce the arc voltage and increase interrupting current capacity of vacuum interrupter. 通过对样品的试验，证明该结构能降低电弧电压，提高触头的分断能力。
