The development of arc welding apparatus: As indicated by the oscillograph

C. J. Holslag
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Abstract

THE development of arc welding apparatus to its present efficient form has been a gradual process of evolution. In the early days all that was thought necessary for arc welding was a source of power which would supply the proper amperage; the ordinary 110-volt line, transformer, or d-c. generator, were considered entirely adequate. These sources of power were used in connection with a resistance or reactance to control the current to the desired value; in fact, at that time the proper amperage was not definitely known. In general it might be stated that the values of current used, particularly for heavier material, was entirely too low.
弧焊设备的发展:用示波器表示
弧焊设备发展到现在的高效形式是一个渐进的演变过程。在早期,人们认为弧焊所必需的只是一种能提供适当安培的电源;普通的110伏线路、变压器或直流。发电机,被认为是完全足够的。这些电源与电阻或电抗连接使用,以控制电流到所需值;事实上,在那个时候,合适的安培数还没有被明确地知道。一般来说,可以这样说,特别是对于较重的材料,所使用的电流值完全太低了。
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