Lincoln Electric SVM170-A Product Description, Recommended Processes And Equipment, Limitations

B-3 OPERATION B-3

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PRODUCT DESCRIPTION

The POWER MIG™ 255C is a complete semiautomatic constant voltage DC arc welding machine built to meet NEMA specifications. It combines a constant voltage power source and a constant speed wire feeder with a microcomputer- based controller to form a reliable high-performance welding system. A simple control scheme, consisting of continuous full range voltage and wire feed speed controls, provides versatility with ease of use and accuracy. The POWER MIG™ 255C is Spool Gun ready and includes a second Gas Solenoid for Spool Gun use. Refer to Accessories Section for Applicable Spool Guns.

Other features include a 2" (51 mm) O.D. wire reel spindle with adjustable brake, an integral gas cylinder mounting undercarriage, an adjustable CO2 or Argon blend flow regulator with cylinder pressure gauge and inlet hose, a 15 ft. (4.6 m) Magnum 250L GMAW gun and cable with fixed (flush) nozzle, a 10 ft. (3.0 m) power cable with plug and mating receptacle, and a 10 ft. (3.0 m) work cable with clamp.

An Optional Timer kit provides variable burnback control, a spot function, a selectable 4-step trigger interlock and adjustable "Run In" for wire starting optimization. Also optional are a Dual Cylinder Mounting kit and an Aluminum Feeding Kit for push feeding with standard built in feeder.

RECOMMENDED PROCESSES AND EQUIPMENT

The POWER MIG 255C is recommended for GMA welding processes using 10 to 44 lb (4.5 to 20 kg) 2" (51 mm) I.D. spools or Readi-Reel ® coils (with optional adapter) of .025" through .045" (0.6 – 1.2 mm) solid steel, .035" (0.9 mm) stainless, 3/64" (1.2 mm) aluminum and .045" (1.2 mm) Outershield ® ; as well as .035" (0.9 mm) and .045" (1.2 mm) Innershield® self-shielding electrodes.

The POWER MIG 255C is factory equipped to feed

.035" (0.9 mm) and .045(1.2mm) electrode. It also includes a 200A, 60% duty cycle (or 250A, 40% duty cycle) rated, 15 ft. (4.6 m) GMAW gun and cable assembly equipped for these wire sizes. Use of GMAW processes requires a supply of shielding gas.

WARNING

WELDING CAPABILITY

The POWER MIG 255C is rated at 250 amps @ 26 volts, at a 40% duty cycle based on a ten minute cycle time. It is capable of higher duty cycles at lower output currents and capable of up to 300 Amps at lower duty cycles.

LIMITATIONS

The POWER MIG 255C WILL NOT operate satisfactorily if powered with a portable or in-plant generating system.

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POWER MIG 255C