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Thread: Bandsaw blade brazing jig

  1. #1
    Join Date
    May 2011
    Location
    ny
    Posts
    775

    Default Bandsaw blade brazing jig

    I finally got around to making a jig for brazing my blades I was using a angle iron guide and clamps before but nothing was welded up.

    This setup works really well I prefer brazing to welding the blades I have never had a braze joint let go.

    I grind a lap joint for a nice overlap, a piece of brazing rod pounded flat is inserted in the joint with some boric acid powder as flux, hit it with the torch and its all set, the pictures I think are self explanatory.








  2. #2
    Join Date
    May 2011
    Location
    ny
    Posts
    775

    Default

    More pictures

    A little cleanup of the joint is done on the end of my 6x48 belt sander





  3. #3
    Join Date
    Jun 2013
    Location
    Pasadena, CA
    Posts
    966

    Default

    Oh wow, that looks simple enough. I never tried that.

    Do you use high silver solder? And is there any heat treatment necessary after brazing?
    Box Joint, Dovetail, Guilloche and MazeMaker Software Here

  4. #4
    Join Date
    May 2011
    Location
    ny
    Posts
    775

    Default

    Quote Originally Posted by Burkhardt View Post
    Oh wow, that looks simple enough. I never tried that.

    Do you use high silver solder? And is there any heat treatment necessary after brazing?
    No I use regular brazing rod I have not heat treated either I have a blade welder the last step on that is to anneal the blade so the slow cooling off from the torch should be fine, I prefer brazing them than using my blade welder.

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