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Thread: Treadle Iron Brazing

  1. #1
    Senior Member redbugsullivan's Avatar
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    Treadle Iron Brazing

    Has anyone had cast iron treadle frame breaks brazed?

    Recently, a New Home Climax joined my collection of treadles. Unfortunately a part of the cast iron was broken right where the treadle wheel connects. At $35 my investment is minimal and the machine is in decent shape.

    I'd love to hear how others have fixed the cast iron portion of their treadles. I know that welding the usual way is not possible!
    Annette

    There is no fireside like your own fireside.

  2. #2
    Super Member J Miller's Avatar
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    No I haven't, but I'll watch this thread cos I have two treadle bases that need brazed.

    Joe

  3. #3
    Super Member Charlee's Avatar
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    Cast iron can be welded, but it's not an easy process, and from what I understand, it's not a strong fix. I think I'd look to replace rather than repair...
    One day, you'll only be a memory for some people. Do your best to be a good one.

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  4. #4
    Super Member J Miller's Avatar
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    I've had cast iron brazed before and it's lasted some 30 odd years. The jack handle from my 78 Toyota Land Cruiser.

    Anywho, a local machine, welding, fabrication shop says they can do it but it will cost me around $70.00 for the two breaks on the first frame.
    I've been told by another welder that's because it takes a special rod to do the job and make it right.

    Joe

  5. #5
    Senior Member greywuuf's Avatar
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    There are "special" rods... The normal ones are just high nickle content, then there are the "secret" special ones that promise the world but can be used with a hair dryer ......the real cost in what you were quoted is in labor. To do a real good cast iron weld requires a good preheat and carefully post repair heat treat of the whole area. Cast is very prone to cracking after the repair. I happen to be staying with a relative that is a certified welding instructor....I will pick his brain tomarrow. I'll let you all know.

  6. #6
    Senior Member redbugsullivan's Avatar
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    Quote Originally Posted by greywuuf View Post
    There are "special" rods... The normal ones are just high nickle content, then there are the "secret" special ones that promise the world but can be used with a hair dryer ......the real cost in what you were quoted is in labor. To do a real good cast iron weld requires a good preheat and carefully post repair heat treat of the whole area. Cast is very prone to cracking after the repair. I happen to be staying with a relative that is a certified welding instructor....I will pick his brain tomarrow. I'll let you all know.
    I know a welder and he wouldn't touch it because cast iron doesn't take well to regular welding. I do know that it can be done because my dad would do it. I've heard about "cast iron welding rod" before. I'll be ready and waiting for your post tomorrow!
    Annette

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  7. #7
    Super Member jlhmnj's Avatar
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    A good welder with an oxyacetylene torch and tanks can do it no problem. We've had lots of cast farm machinery brazed. Whether it's feasible for a treadle base would depend on the value placed on the base minus the cost of the job.

    Jon

  8. #8
    Super Member J Miller's Avatar
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    The problem of simply replacing the broken part is that all treadle bases are not the same size. I've tried a couple times to replace the broken piece on my 9W-7 treadle and both replacement pieces were a different size. They looked the same, but off buy a bit.
    Luckily the second one is close enough to be used.
    If I could find a welder that would do the job for a price I could afford I'd have it repaired .

    Joe

  9. #9
    Senior Member redbugsullivan's Avatar
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    My DH is taking it to be brazed today. The work is being done by a gunsmith/machinist/welder. Updates to be posted as available.
    Annette

    There is no fireside like your own fireside.

  10. #10
    Super Member coopah's Avatar
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    Quote Originally Posted by redbugsullivan View Post
    My DH is taking it to be brazed today. The work is being done by a gunsmith/machinist/welder. Updates to be posted as available.
    Ought to work if the guy is good at his job. My Dad brazed the arm on a FW that carries the thread up and down as it stitches. THe local sewing shop didn't want to touch the job and didn't think it could be done. Still working fine after 30 years.
    "A woman is like a tea bag-you can't tell how strong she is until you put her in hot water." Eleanor Roosevelt

  11. #11
    Super Member J Miller's Avatar
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    Quote Originally Posted by redbugsullivan View Post
    My DH is taking it to be brazed today. The work is being done by a gunsmith/machinist/welder. Updates to be posted as available.
    Awaiting the results with extreme interest.

    Joe

  12. #12
    Senior Member redbugsullivan's Avatar
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    Cast iron weld instead of brazing!
    He took one look at it and dropped everything because the repair would be "delightfully different". Cost? $30 When I found out, I was leaping around the house with joy. Seriously... I was! Here are the pics.

    Name:  HubBreak.jpg
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Size:  116.6 KBName:  HubWeld.jpg
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Size:  56.7 KBName:  IronRepair.jpg
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    He even greased the hub. His only caveat was, "Don't drop it." I think I can handle that.
    Annette

    There is no fireside like your own fireside.

  13. #13
    Super Member J Miller's Avatar
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    $30.00, that's decent price. Wish I was closer I'd ask him about my broken pieces.

    Joe

  14. #14
    Senior Member redbugsullivan's Avatar
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    Quote Originally Posted by J Miller View Post
    $30.00, that's decent price. Wish I was closer I'd ask him about my broken pieces.
    Ask around in your area. This fellow is a master gunsmith and a quirky perfectionist. I looked at the process this way. If he can repair items that go boom with such skill that they are safe to use and you must LOOK to find the weld, that's talent.
    Annette

    There is no fireside like your own fireside.

  15. #15
    Super Member J Miller's Avatar
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    In the 11 years I've lived in this area I have checked with every gunsmith in this area. There is not one that is fit to tighten a loose screw.
    The only welding, machine, etc shop wants $70.00 to braze the two broken places on my one treadle. I suppose that's not too bad considering you were charged $30.00 for one.

    Joe

  16. #16
    Senior Member redbugsullivan's Avatar
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    Well, the pieces are not going to increase in value or usefulness if they are broken. It's not like they are making them any more!
    And, it's too bad about your lack of good gunsmiths. My DH response was, "That stinks."
    Annette

    There is no fireside like your own fireside.

  17. #17
    Super Member J Miller's Avatar
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    I will get them repaired eventually. But we're a bit short on funds now so they'll just have to wait.

    Joe

  18. #18
    Senior Member redbugsullivan's Avatar
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    Quote Originally Posted by J Miller View Post
    I will get them repaired eventually. But we're a bit short on funds now so they'll just have to wait.
    Been there, done that. The best part of these old machines, if you have all the parts, pieces, and whatever to make them work, they wait for you to be ready.
    Annette

    There is no fireside like your own fireside.

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