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Thread: Saw back question

  1. #1

    Saw back question

    Hey all,

    I've been experimenting with building a backsaw on a budget, and one thing that occurred to me is why no one uses the premade brass angles used in architectural work? It's usually 385 brass, so I'm guessing a bit softer than the 260 usually suggested, but is there any major reason this couldn't work?

    For reference:
    https://www.mcmaster.com/#red-metal-angle-bars/=17pmcao

    http://www.onlinemetals.com/merchant...808&top_cat=79

    My thinking is that getting something already at a 90 will help get past the initial problems of using a brake to form the first turn in the brass.

    Alternatively, any suggestions on bending the brass without a brake?

  2. #2
    Join Date
    Sep 2009
    Location
    Putney, Vermont
    Posts
    1,042
    That brass angle is 1/2 hard. It would break, crack when bending, unless it was fully annealed.

    You would end up with a sharp corner sticking up opposite the inside bend radius.

  3. #3
    Join Date
    Jun 2012
    Location
    New Westminster BC
    Posts
    2,981
    Have a look at this video, he makes the saw back around the 25 min mark. No bending involved https://www.youtube.com/watch?v=Fb8tVZtX1_4&t=1430s

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