TIG question with a Miller Trailblazer 302?
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  1. #1
    Join Date
    Apr 2008
    Location
    Florida
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    126

    Smile TIG question with a Miller Trailblazer 302?

    I’m wanting to buy a Miller Trailblazer 302.

    If I want to TIG (aluminum or whatever ?), will I still need to buy the High Frequency also? I am thinking the new “Lift Arc” on this machine eliminates the need for the high frequency? Is this correct???

    Do I need to buy a high frequency box too or just the torch and a bottle?

    What do I need to TIG with this machine?

    Thank you all in advance.

    Tim

  2. #2
    Join Date
    Jan 2004
    Location
    Las Vegas, NV
    Posts
    3,175

    Re: TIG question with a Miller Trailblazer 302?

    The TB is only 120 Hz for AC welding current.

    Lift-Arc is just so you don't need HF for starting the arc, which is even useful when welding steel.

    Most will either get the HF-251-D HF box, if they need the full output for welding aluminum, or they will just plug a Dynasty into the TB's auxiliary power.

  3. #3
    Join Date
    Feb 2004
    Location
    BULVERDE, TX.
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    1,477

    Re: TIG question with a Miller Trailblazer 302?

    You'll just need the HF-251 for AC...the lift arc works very well for DC. I use it all the time on mine. I don't have a HF-251 so all I do is DC.

    For DC all you need is the bottle, a torch with a valve and whatever else is needed to adapt your torch to the machine/gas connection. I just made a jumper that will comvert my Tweco quick connects to a Dinse connector and got a Dinse connector with a gas hose for mine. I added a quick connect to my gas hose and made everything nice and simple......unless you drive off and leave the @#*&%^$ jumper sitting in the shop.
    QamuIs Heg qaq law' lorvIs yInqaq puS



  4. #4
    Join Date
    Jul 2008
    Location
    Anchorage Alaska
    Posts
    3,679

    Re: TIG question with a Miller Trailblazer 302?

    Don't forget he could drop the HF box and just DC aluminum

  5. #5
    Join Date
    Feb 2008
    Posts
    561

    Re: TIG question with a Miller Trailblazer 302?

    If you really, really want to Tig aluminum, then You'll need a HF box, for your TB 302. Now for all intensive purposes, most guys I know if Spool Aluminum with a 30A.

    If you don't plan on Tigging Aluminum, then the Lincoln 305G is a way better machine to go to,
    And you can still Spool Aluminum in CV mode with the on board Chopper module for a really smooth arc.. I have an install kit for the Lincolns to run the Miller 30A guns, (Really hate the Lincoln version of spool guns)

  6. #6
    Join Date
    Sep 2006
    Location
    Dallas, Tx
    Posts
    415

    Re: TIG question with a Miller Trailblazer 302?

    If you give up the idea of aluminum tig, you can save several hundred dollars on the DC version of the Trailblazer - 275 DC. Still has the same AC power generator. PM for info. weldersales

  7. #7
    Join Date
    Feb 2004
    Location
    BULVERDE, TX.
    Posts
    1,477

    Re: TIG question with a Miller Trailblazer 302?

    TB275 sacrifices too much in power, IMO. The 302 is rated at 300a for DC-CC processes, but 325a for DC-CV. For wire, that is quite a bit more oomph. The 275 is a straight 275a across the board. The 302 makes way more sense if you want a true multiprocess machine with the most bang for the buck. 50a for a few hundred clams is well worth it if wire performance is a must.

    FWIW, I have had my 302 up over 360a in CV. It will spray with .045 wire and C-8 very nicely.
    QamuIs Heg qaq law' lorvIs yInqaq puS



  8. #8
    Join Date
    Apr 2008
    Location
    Florida
    Posts
    126

    Re: TIG question with a Miller Trailblazer 302?

    Thank you all for the replys

    Tim

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