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  • Picked up the new 280DX. Wanted to share something that may or may not have been posted here.
    With the added card to allow independent EP/EN adjustments be sure to match them when changing wave form.
    For some unknown it is possible to create EN/EP with different wave forms.
    To double check....
    Access menu by Holding A and press Gas/Dig
    Press Gas/Dig move thru menu
    Once at ACEN or ACEP
    Turn Knob to scroll thru Wave Forms

    I have several settings for different material thicknesses. If anyone is interested hit me up.

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    • I have been welding for 31 years. Spent many of those years tig welding. I am stumpped & having problems. Just bought a dynasty 210 DX . For a steady gig I picked up. The material is .063 bright aluminum diamond plate. I can weld beautiful welds everywhere except on the outside corners where the metal has been sheared. I can butt pieces flat togather $ weld fine once i get a puddle ( the puddle gets a little wonky starting out on the buts) i have ss wire brushed & wiped the edges diwn with acetone on the outside corners. When trying to tack which is about impossible the material gets a shiny puddle from the outsides first ( tight joint) but will not fuse & when i try to introduce filler rod it bubbles up & turns dark gray like there is no gas. I sanded the edges of some practice pieces & once i got a puddle it fused nicely with little filler. Im wondering if the shear from the place i get the parts is contaminating tge cut edges? Any help is appriciated. Dont like getting my *** kicked by this kind if stuff

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      • You didn't say what you were using for gas shielding, gas lens or a standard collet body. Either way on the outside joint the gas is being split by the 90* corner, so keep a good torch travel angle (0*-15*) I would use a gas lens with at least a #8 cup and short tungsten stickout
        Richard
        West coast of Florida

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        • There's a special hidden menu that eliminates the gross edges left by shearing. It's right next to the button that activates the cordless torch and ground functions.

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          • Bought a new to me used 280 DX so I've been reading this thread. Anyway, most of the links to Miller resource articles are bad. Can't find them on Miller's web site. Anyone know where they reside now?
            Last edited by robert-r; 09-07-2021, 05:58 PM.

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