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References in periodicals archive ?
Four- wire wire feeder, wire feed speed at least 1.0 - 30.0 m / min
Symbol Property Value Unit V Welding voltage 24 [V] I Welding current 160 [A] [d.sub.wire] Wire diameter 0.0012 [m] V Torch speed 0.0037 [m/s] [v.sub.wire] Wire feed speed 0.066 [m/s] Q Gas flow 4.17 x [10.sup.-6] [[m.sup.3]/s] Table 3: Thermocouples positions in the workpiece.
It is also infinitely adjustable both in voltage and wire feed speed settings.
STT is a controlled MIG short circuit transfer process that uses current controls to adjust the heat independent of wire feed speed, resulting in superior arc welding performance, good penetration, low heat input control and reduced spatter and fumes.
Comparable wire feeders tend to fluctuate in performance throughout the day: As ambient temperatures change, and as the feeder gets hotter or colder, wire feed speed can vary from its original setting.
Recent additions include: 1) multiple gun cable lengths for every semiautomatic model--10, 15, 20 and 25 feet; 2) breakaway discs, mounting kits and other accessories--now available for Thru-Arm and External Dress robotic torch models; 3) dual procedure models that allow users to easily change welding procedures using an added thumb toggle switch, even while performing a weld, to automatically adjust weld parameters like voltage or wire feed speed without making changes at the wire feeder; and 4) dual schedule models that allow users to easily change welding procedures by depressing the gun trigger--half trigger or first position for the first or starting procedure and full trigger or second position for a second procedure.
The dual schedule switch allows for easy wire feed speed adjustment while welding and is integrated into the handle to protect it from weld spatter.
The control panel features a wire feed speed control to track voltage, 240 V and 120 V receptacles and 20 and 25 amp supplemental protection/circuit breakers.
A ropy bead with poor penetration and a convex profile can be solved by adjusting wire feed speed, voltage, travel speed, and possibly even the gas mixture.
Light industrial MIG welders are known for their versatility, better arc starts and wider sweet spots, the point where the wire feed speed produces the classic "sizzling bacon" sound that signifies a good arc.
Nacey explains that in order for there to be fast, good, arc welding, it's necessary to have coordinated control of the wire feed speed, pulse waveform, and robot movement.
Current rating is 400A at 60 per cent duty and wire feed speed is variable between 2-18m/min.