Arc Maintenance Techniques for Welding Equipment
Once a steady arc with correct thermal equilibrium has actually been established, it is necessary to keep it to make sure that welds of consistent quality can be accomplished. Generally, it is simple to re-ignite a steady arc, if it goes off briefly. Whereas thousands of volts might be called for to initiate an arc in TIG welding maker (gas tungsten arc welding), it may need only tens or at the most hundreds of volts to reignite it. Upkeep of an arc when welding with an a/c source of power is instead a problem because the arc extinguishes every half cycle when the current is no, that is, it will certainly extinguish times a second with a typicalh e rtz keys supply. For re-ignition the needed voltage must be available at the time the existing is absolutely no. This is accomplished in air conditioning welding by maintaining the current as well as voltage waves out of stage by using a source of power with a low operating power factor of concerning . For these conditions, ...