POTENTIAL HAZARDS When any of the welding processes are used, the molten puddle should be shielded from the air in order to obtain a high quality weld deposit. In shielded metal arc welding, shielding from the air is accomplished by gases produced by the disintegration of the coating in the arc. With gas shielded arc [...]
Learn more about Gas Shielded Arc Welding Safety Precautions
a. Air carbon arc cutting is an arc cutting process in which metals to be cut are melted by the heat of a carbon arc and the molten metal is removed by a blast of air. The process is widely used for back gouging, preparing joints, and removing defective metal. b. A high velocity air [...]
Learn more about Air Carbon Arc Cutting and Welding
a. Plasma arc welding is a process in which coalescence is produced by heating with a constricted arc between an electrode and the work piece (transfer arc) or the electrode and the constricting nozzle (nontransfer arc). Shielding is obtained from the hot ionized gas issuing from the orifice which may be supplemented by an auxiliary [...]
Learn more about Plasma Arc Welding and Cutting
