7-2
Manual No 0-5072
weldskill 250, 350 basic welding technique
December 1, 2008
This demonstrates that where the upper limit of cur-
rent is limited by machine capacity and duty cycle,
higher deposition rates and therefore greater pro-
ductivity will be achieved by using smaller electrode
wire. This product is a particularly efficient MIG welder
with the 0.9mm steel wire in spray transfer mode. The
savings from decreased welding time will more than
cover the small cost penalty of the smaller electrode
wire sizes. (0.9mm wire cost approximately 10%
more than 1.2mm, but is deposited approximately
15% faster).
Higher current density (or smaller diameter wire) also
gives deeper penetration
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