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  1. #1

    Default What is the best way to weld band saw blade

    Just snapped a blade on my band saw. It broke right at the weld. I have it clamped up flat with the edges lined up.
    Tig? or Mig?
    Not sure on the steel type but it must be carbon? 1/2" blade about 32nd thick.

  2. #2
    Join Date
    Apr 2009
    Location
    Augusta, GA
    Posts
    274

    Default

    I would TIG it, but I've never welded a bandsaw blade before.

    but that's what i'd try to do anyway. hahaa

  3. #3
    Join Date
    Sep 2005
    Location
    Salem ,Ohio
    Posts
    3,898

    Cool

    It won't last long unless it is anneled afterwards. I have migged them and got a day or two...Bob
    Bob Wright, Grandson of Tee Nee Boat Trailer Founder
    Metal Master Fab Salem, Oh 44460
    Birthplace of the Silver & Deming Drill
    1999 MM185 w/185 Spoolgun,1986 Thunderbolt AC/DC
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  4. #4

    Default

    Quote Originally Posted by myistar View Post
    I would TIG it, but I've never welded a bandsaw blade before.

    but that's what i'd try to do anyway. hahaa
    With or without filler? What type?

  5. #5
    Join Date
    Mar 2008
    Location
    Anchorage AK
    Posts
    344

    Default

    70s2 gap a bit fill grind and then heat it with a small torch low heat. 250-350 F

  6. #6

    Default

    Quote Originally Posted by FATFAB View Post
    70s2 gap a bit fill grind and then heat it with a small torch low heat. 250-350 F
    Thanks I will try it tomorrow and see what happens.

  7. #7
    Join Date
    Oct 2009
    Posts
    12

    Default

    if it were me i would just go buy a new one there is no sense on wasting argon for that

  8. #8
    Join Date
    Dec 2007
    Location
    National City CA
    Posts
    1,086

    Default

    The welder that's on the front of the saw That's the only one we ever used.
    Miller Syncrowave 200 W/Radiator 1A & water cooled torch
    Millermatic 252 on the wish list
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    Over 20 years as a Machinist Toolmaker
    A TWO CAR garage full of tools and a fridge full of beer
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  9. #9
    Join Date
    Mar 2008
    Location
    Anchorage AK
    Posts
    344

    Default

    Quote Originally Posted by leroygitchel View Post
    if it were me i would just go buy a new one there is no sense on wasting argon for that

    The blade is no good and the time and materials to fix it are nil so wtf not much to lose lots to gain.

  10. #10
    Join Date
    Mar 2009
    Location
    Hazelwood Mo USA
    Posts
    460

    Default

    I have tigged them with varying degrees of sucess, I cut small strips of another blade to use as filler, grind the weld down and aneal it, some would last a monthor so, some not so long.
    In a pinch it can be done.
    mike sr

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