脈沖電弧焊 的英文怎麼說
中文拼音 [màichōngdiànhúhàn]
脈沖電弧焊
英文
impulse arc welding-
The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization
其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。In this thesis, a high - frequency variable polarity arc welding power supply was investigated, which consisted of two independent power sources, the variable polarity power supply and the high - frequency pulse one, having advantages both of them
本文針對鋁合金焊接研製了一種新型電源，所研究的高頻變極性弧焊電源採用雙電源結構，由變極性電源和高頻脈沖電源組成，綜合了兩者的優點。The dcep mig has the characteristic of deeper penetration which can reduce defective fusion and good arc stabilization. the dcen mig has the characteristic of shallow penetration of welding seam, and the welding wire has a high melting speed. so the variable polarity pulsed mig is a new technology for the welding of aluminium alloy sheet
變極性脈沖mig焊是一種新的焊接工藝方法，其綜合了dcep脈沖mig焊熔深較大、可以減少焊縫的熔合不良、電弧穩定性好和dcenmig焊焊縫熔深淺、焊絲熔化速度較快的特點，減小了焊縫的熔深，增加了焊絲的熔化速度，是一種適合於薄板鋁合金焊接的新方法。At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning
最後製作了一臺實驗電源，並進行了一系列的電弧實驗，通過在變極性電源電流dcen基礎上疊加一系列脈沖電流，調制出所需電流波形，實現輸出能量的最優分配，在滿足陰極清理的前提下，最大限度地提高焊接效率。Design high frequency to increase voitage and pulse heat to strike arc, so with fine ability to start arc. so with fine ability to start arc. welding current is sufficient
採用高頻增壓引弧及脈沖熱引弧設計，起弧性能極佳，焊流電流充足，卓越的性能價格比。Suitable for welding of pulse mig / dc mag / co2 / flux - core wire / electric arc welding, and for welding of aluminum / titanium / copper alloys, low carbon steel, low alloy steel and stainless steel, as well as thin plate and medium thickness plate
可用脈沖mig /直流mag / co2 /藥芯焊絲/電弧焊等，分別對鋁、鈦、銅等有色金屬及其合金、低碳鋼、低合金鋼、不銹鋼等等多種材料進行高性能焊接以及薄板高速焊接和中厚板粗絲大電流高效焊等Numerical simulation and analysis of pulsed direct current brazing temperature field with computer
脈沖直流電弧釬焊溫度場計算機模擬及分析Pulsed are welding
脈沖電弧焊分享友人