Miller 300DX

9 discussions on PolyTech Forum about the Miller 300DX: what owners asked, what went wrong, and what fixed it.

What owners report

Miller or Lincoln

I have two very new Lincoln welders. The Precision Tig 185 I currently needthe most just died. Also the next job requires purchasing something beefierthan the Tig 185 and suddenly I am starting to look at Miller machines....I am not too...

Miller vs Lincoln inverter TIG

Has anyone used both the Miller Dynasty 200DX and the Lincoln InvertecV205-T, or does anyone have more detailed knowledge about them thanfound on the web?Both have the features I want - AC & DC TIG, stick, portable, up to200A, pulser, wave...

Need advice on choice of Tig machine

Two or three years ago, I planned to buy a Miller 180SD to weld thin-wall 4130 tubing, plus light aluminum--gas tanks and the like. Not sure anymore why I went with that model instead of the Squarewave equivalent. Circumstances...

Syncrowave Pulser available as add on?

Dear Group: What are the odds of finding add on pulser controls for older syncrowave250's or 351's?Most of the used machines don't have the pulser option, but it would be niceto be able to add one on.The pulser just modulates the current...

Balance and frequency TIG?

Am I right in thinking that the frequency and balance controls on a TIGinverter, are basically two different ways of achieving the same sort ofresults?Is there any information on line, regarding this at all? The manual thatcame with my...

Tig Welder for 1/4" thick Aluminum plate?

Hi,I've got a mig welder set up primarily for steel (w CO2/Argon tank),but I've wanted a Tig welder for sometime. Ideally this Tig weldercould handle up to 1/4 aluminum plate, although less could be okay.Any recommendations? Duty cycle does...

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