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Thread: Piecemaker 25A Parts

  1. #1
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    Default Piecemaker 25A Parts

    Well, I have yet another dilemma in the welding world. All coming to light now because I just came out of hibernation to start a new fabrication project, and my equipment is getting old- like me. It seems Iím leaning on you guys a lot lately, but you all usually have the answers! So, for my next issue:

    I have an older Hobart Beta MIG 250 wire welder. I bought it used years ago off an old guy who didnít use it more than a couple of times, and I take care of my stuff, so itís like brand new. It is fitted with a Piecemaker 25A gun that too is in good shape. It needs refreshed with a new nozzle and a contact tip, but thatís all. ExceptÖ

    Consumables are no longer made for this gun. No welding house anywhere has exact replacement contact tips that I can find. They all want to sell me a new gun. Well, I donít want or need a new gun. So, Iím in search of any contact tip that has a thread pitch of 1/4Ē-20. If I can get that thread, I can shape the rest of the tip to fit. All I can seem to locate are M6 or 1/4Ē-28 pitch. Iíve even thought of forcing a 1/4Ē-20 die over the M6 fine threads. The rest of the dimensions of the real thing are .25 DIA x 1Ē L (6.33mm x 25.36mm).

    The nozzle and diffuser will be another story, but Iím not there yet. I need tips! And suggestions! Anyone know of an American 1/4Ē-20 thread contact tip? Can/ should I booger up something else to fit?

    Appreciate the help,
    Mark

  2. #2
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    Mark,

    One possibility is to change all of the front end consumables. Does the diffuser thread into or onto the goose neck?
    What thread is it?

    What is the serial number of the machine?

  3. #3
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    Mike- at work, don't have access to machine right now, will work on it tonight.

    Heck, I had no idea that I was going have so much grief just getting contact tips. I guess just because my machine has been taken care doesn't mean they all have.

    I think one of the problems is going to be that the gun was built in the USA with Imperial measurements and threads, and most machines and guns are now made across the left pond to metric dimensions.

    It's a hellufagood welder. I'll fight and kick and scream before I'll replace this gun.

  4. #4
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    Don't throw the towel in

  5. #5
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    Could you possibly modify the very popular Tweco 14 series tip to fit your gun? My Lincoln uses this size and I would think due to the length of these tips it would be possible to adapt it to yours.
    They are of course 1/4"x28 tpi like everything else and are .25" dia. but it looks like it may be an option. Threads and a countersunk bevel where the wire feeds into it and you're done.

    Tweco style 14 Series Standard Duty Contact Tip accommodates 0.03" wire and is compatible with 200 - 400 A Radnor Radnor Pro, Tweco Tweco No. 2, Tweco No. 3 as well as Tweco No. 4 MIG guns. Also, fits Most Prostar and Lincoln style mig guns using Tweco style contact tips
    Home, down in the valley behind the Red Angus
    Bad Decisions Make Good Stories

  6. #6
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    Ask your question on the Hobart Forum, they may have a resolution for you.


    https://weldtalk.hobartwelders.com/

  7. #7
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    Having a quick look around this AM and found these:



    They appear to be 1/4" x 20 tpi, any reason they would not fit your gun?

    HOBART PIECEMAKER 14-A & 20-A TIP & NOZZLE KIT
    Home, down in the valley behind the Red Angus
    Bad Decisions Make Good Stories

  8. #8
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    Willy, after some more inquiries last night I received a reply this morning from a welding shop I wrote to:

    Hi,
    We are not able to support this gun for consumables. Below is a link to a a company that has a conversion kit for the end of the gun -that allows for new consumables.

    https://www.usaweld.com/Hobart-Piece...aker-parts.htm

    Hope this helped,
    Bob

    If the 14A and 20A have (had) the same neck style, I could possibly do a retrofit for about 25 bucks. But I also might find tips and such like you did for the 14A. I'll check your source out.
    I also put this out on the Hobart forum. We'll see what they say.

    And thank you all for helping.

  9. #9
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    If the gun has a Tweco power pin I can probably set you up with a nice gun cheap.

  10. #10
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    Quote Originally Posted by BigMike782 View Post
    If the gun has a Tweco power pin I can probably set you up with a nice gun cheap.
    Thank you very kindly for your offer. If worse comes to worst, I may not have a choice. But my gun is in like new condition; I'd hate to have to toss it in the junk pile simply for a one dollar contact tip or a five dollar nozzle.

    I'm going to soldier on for a bit until my frustration starts to affect my marriage. Then I MIGHT break down and call it quits.

    Thanks again.

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