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Thread: Blade welding.

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  1. #1

    Default Blade welding.

    Found this online:

    http://www.youtube.com/watch?v=2t0Oq...=UL2t0OqSp1LVQ

    What do you think of the quality of the weld?

  2. #2
    Join Date
    Oct 2007
    Location
    Arizona
    Posts
    119

    Default

    Bandsaw blades are welded at the factory, the welds are fine.

    Many large industrial bandsaws come with a blade welder mounted on the saw frame. This allows for making inside cuts on a large workpiece. Cut the blade, insert one end through a hole in the workpiece, weld blade back together, make cut in workpiece, cut blade again to free workpiece.

    Good blade welders allow you to weld the blade, anneal it to remove the brittleness caused by welding, and grind it smooth again.

    Of course, if the blade breaks during usage because you twisted it too much, you can weld it back together.

    Some shops with lots of bandsaws, rather than buying pre-made blades, buy large rolls of blade material (teeth already cut), and just make their own blades to length.
    Last edited by GilaSlim; 10-10-2012 at 06:38 PM.

  3. #3

    Default

    Is it because the welder is skilled or it is because of the machine used in welding the blade that makes the blade’s weld proper?

  4. #4
    Join Date
    Oct 2007
    Location
    Arizona
    Posts
    119

    Default

    I have not used a bandsaw blade welder, but from what I have read about them, the machine makes it easy to do. Some guys use a TIG welder to do the job, and that requires typical TIG skills.

  5. #5

    Default

    Quote Originally Posted by GilaSlim View Post
    I have not used a bandsaw blade welder, but from what I have read about them, the machine makes it easy to do. Some guys use a TIG welder to do the job, and that requires typical TIG skills.
    So, with a band saw blade welding machine, anyone can do the welding without sacrificing the quality of the weld?

  6. #6
    Join Date
    Oct 2007
    Location
    Arizona
    Posts
    119

    Default

    Pretty much. Here is a link to a stand-alone blade welder sold by Grizzley that does blades from 1/8" to 1/2" and runs on 115V. They have a larger one that does 3/8" to 3/4" and runs on 230V.

    http://www.grizzly.com/products/Blad...-8-1-2-/T10499

    Here is the manual that covers both machines.

    http://cdn0.grizzly.com/manuals/t10499_m.pdf

    It tells you about the blade shear (to get square cuts on the blade ends), the welder station which also does the annealing, and the grinder. Follow the directions for use and you should be good. Just be sure you don't have the blade twisted when you clamp it in the welding station.

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