The type of current used for operations will dictate the type of weld one will receive through a TIG welder. If you are in need of a deep yet narrow weld, the use of a negative direct current is recommended.
However, for those looking to accomplish a shallow and wide weld, one needs to implement a positive direct current.
This type of welder can also use a combination of the negative and positive direct current referred to as alternating current. This leaves the welder with an effective way to clean the weld.
Like most occupations, safety is paramount. When operating a TIG welder, one must take specific precautions to prevent injuries immediate and long term.
One concern is the ultraviolet radiation that is given off during welding.
This radiation can cause sunburn and or eventually skin cancer if the proper protective clothing is not adorned.
This clothing includes leather gloves, closed collar shirt, a jacket with long sleeves and a welding helmet to protect the eyes. In addition, sufficient ventilation is needed to prevent inhalation of caustic fumes, smoke and gases.
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