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The Basic Use Of An Arc Welder

The discovery of electricity and its application to industry has easily led to the level when metal work is a simple transformation process. Presently with the help of an arc welder, metal items can be melted and bind together according the user's will. An arc welder requires little investment and low maintenance costs; the electric arc is created between the electrode incorporated in the welder and a base surface that one needs to work on. Furthermore, the arc welder is compatible with almost any type of metal, and that is possible with very simple equipment; the only exception here is aluminum for which welding doesn't bring satisfactory results.

The efficiency of an arc welder depends greatly on the power source that is used, as well as on the rest of equipment that enables the completion of the welding process. An arc welder that uses a transformer with a shunt power adjustment is working on AC (alternative current), this means that, despite the great advantage of being cheap, the welding arc may be a little difficult to start. Furthermore, an AC arc welder will create a pretty intense electric arc, which is why it is advisable to use it if you know it suits practical purposes.

Another type of arc welder uses a power supply equipped with a potentiometer adjustment; they use DC current to initiate the electric arc more easily. The great advantage of such arc welders is that they create a softer and more easily-to-work-with kind of electric arc, with wide applicabilities for works that require fine execution. Nevertheless, this type is by far superseded by very modern arc welders using inverters. The most advanced tendency is to shorten the execution time while also increasing welding efficiency.

Therefore, an arc welder that uses inverter power supplies relies on both DC current outputs and power adjustment with the help of a potentiometer. The welding arc is thus very easy to strike and use, not to mention that the inverter manufacturers often include extra features to the arc welder transformers to avoid some possible accidents. For instance, a special inverter can prevent the electrode from sticking to the work, which is very possible when using less advanced equipment. This is the �anti stick� facility incorporated in an arc welder power source to maximize work results; light-weighted and with a longer operational time than other arc welder equipments, inverters make a good choice for professional welding jobs.