Deck/Welding equipment/851051 ARC WELDER

中文品名:电焊机

Shielded metal arc welding (Stick electrode welding) is most broadly used in shipboard maintenance and repair welding.  In welding two pieces of metal together, an electric arc is established the end of the coated electrode and the base metal in the joint.  When the electric arc is struck between the tip of the electrode and the work piece (Base metal), molten droplets from the electrode are transferred to and mixed with the molten metal in the joint.  As the arc progresses along the joint the molten weld metal cools and solidities forming a strong, integral bond in the joint.  Arc welder converts shipboard power – usually 220, 380 or 440 volts, alternating currents (AC) to an output in the form of AC (Transformer) or DC (Rectifier) current.  Typical welding currents may range from 30 to 400 amperes at voltage of 22 to 32 volts.  Most electrodes used for shipboard maintenance welding operate at less than 200 amperes.  So a current output of 400 amperes will suffice for most carbon arc applications.  


The output AC/DC type will be more flexible and better suited to a wide range of conditions.  

Please specify the following points when ordering:  

  1. Type of welder required; 1) Transformer (AC) 2)  Rectifier (DC) 3) Transformer/Rectifier (AC/DC) 

  2. Main supply: Voltage and Frequency 

  3. Maximum output capacity: Current amperes


保护金属弧焊(棒状焊条焊)是舰船维修焊接中应用最广泛的一种焊接形式。在将两块金属焊接在一起时,涂层电极的末端和接头中的母材之间会形成电弧。当电弧在电极尖端和工件(母材)之间被击打时,电极上的熔滴被转移到接头中的熔融金属中并与之混合。随着电弧沿接头的推进,熔化的焊缝金属冷却和凝固,在接头中形成牢固的、完整的结合。弧焊机将船用电源(通常为220、380或440伏)的交流电(AC)转换为AC(变压器)或DC(整流器)电流形式的输出。在22至32伏的电压下,典型的焊接电流可能在30至400安培之间。大多数用于舰船维护焊接的电极工作在200安培以下。因此,400安培的电流输出将足以满足大多数碳弧应用。

输出AC/DC类型将更加灵活,更适合各种条件。
订购时请指定以下要点:
所需焊机类型;1)变压器(AC)2)整流器(DC)3)变压器/整流器(AC/DC)。
主电源:电压和频率。
最大输出容量:电流安培


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