| DC-315/400/500 
性能特點
1、采用的軟開關逆變技術，以進口IGBT和微晶磁芯為核心配件
2、負載持續率高，設有引弧電流和電流推力調節功能
3、具有電壓波動自動補償功能，電弧穩定，熔池均勻，飛濺少，焊縫成型美觀
4、電路板采用進口絕緣脂QC膠，真空封灌，防止灰塵
5、節電設計，五秒間隔不起弧，自動切斷主電路電源，安全可靠 用途
1、可以利用礦井電機車直流架線電源進行軌道、管道、礦車等焊接。使用時將焊機的電源引線直線上一搭即可燒焊，使用十分方便
2、適用于碳鋼、合金鋼、鑄鐵、不銹鋼、銅及合金的焊接。本機如配接觸式氬弧焊槍，即可用于接觸式氬弧焊。 Performance
Adopt advanced soft swich inverting technology;take the imported IGBT and micro-crystalline magnetic core focus fittings
A high load duration rate;striking arc current and current push adjustment function are equipped
Bear voltage fluctuation automatic compensation function, stable electric arc, evenm olten pool, little splash and beautiful welding line;
The circuit board adopts imported insulating resin QC glue and the vacuity sealed design can prevent dust
The air blower adopts isolated structure to prevent rain water
With energy-saving design, if it can not do arc start at the interval ot 5 seconds, it will cut off the power of the main circuit to ensure satety and reliability Functions
It can be used to weld the orbit, pipeline and mine car by adopting the DC power ge nerated by the mine electric locomotive. It can be conveniently operated by contacting the power source lead wire with the DC wire to begin welding
Applincable for the welding for carbon steel, alloy steel, cast iron, stainless steel, cop per and alloy, When equipped with contact argon arc welding gun, the machine can be used in contact argon arc welding | 產品型號 Product model | DC-315 | DC-400 | DC-500 | | 電源電壓（V） Power supply（V） | 直流（DC）250V或550V | | 額定輸入電源容量（KVA） Rated input power capacity（KVA） | 13 | 18 | 25 | | 空載電壓（V） No load voltage（V） | 74±5 | 74±5 | 74±5 | | 電流調節范圍（A） Current adjustment scope（A） | 20~315 | 20~400 | 20~500 | | 負載持續率（%） Rated duty cycle（%） | 60 | 60 | 60 | | 重量（kg） Weight（kg） | 35 | 38 | 40 | | 外形尺寸：長×寬×高（mm） External size：L×W×H（mm） | 645×325×585 | | |
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