[TheForge] Mig Wire

[Roger Olsen]

Thanks Ralph,

very good info and described well.
R
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Ralph Sproul wrote:

>         Roger,  I've used a larger size liner than the wire I'm running, and
> the same size tip for hard wire(common steel wire used with gas) and dual
> shield wires(flux cored wire DESIGNED to run along with a shielding gas as
> well.
>         The place one would use a larger tip than the wire being run(along
> with a larger liner) is in the use of flux cored wire.  The reason for this
> is that the shielding gas acts as a cooling agent in regular mig process,
> but the Flux cored wires run hotter and usually slower in wire speed so the
> expanding wire tends to jamb more.  This is especially true in the larger
> structural wires run at high amperages and at a somewhat slow wire speed on