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Miller Electric is an American arc welding and cutting equipment manufacturing company based in Appleton, Wisconsin. Miller Electric, has grown from a one-man operation selling products in northeastern Wisconsin to what is today one of the world's largest manufacturers of arc welding and cutting equipment. [1]
Like electron-beam welding (EBW), laser beam welding has high power density (on the order of 1 MW/cm 2) resulting in small heat-affected zones and high heating and cooling rates. The spot size of the laser can vary between 0.2 mm and 13 mm, though only smaller sizes are used for welding.
Arc welding power supplies can deliver either direct (DC) or alternating (AC) current to the work, while consumable or non-consumable electrodes are used. The welding area is usually protected by some type of shielding gas (e.g. an inert gas), vapor, or slag. Arc welding processes may be manual, semi-automatic, or fully automated.
[citation needed] If a welder were to attempt to use a CV machine for a shielded metal arc welding (SMAW) task, the small fluctuations in the arc distance would cause significant fluctuations in the machine's current output. With a CC machine the welder can count on a fixed number of amps reaching the material, regardless of how short or long ...
Electron beam welding: 51 511: EBW Deep penetration, fast, high equipment cost Electroslag welding: 72: ESW Welds thick workpieces quickly, vertical position, steel only, continuous consumable electrode Heavy plate fabrication, construction, shipbuilding Flow welding (previously cast welding)
The same equipment can be used for oxyacetylene blowtorches and welding torches, by exchanging the part of the torch in front of the torch valves. For a basic oxy-acetylene rig, the cutting speed in light steel section will usually be nearly twice as fast as a petrol -driven cut-off grinder.
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