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Thread: saber saw keyway cutting

  1. #1
    Supporting Member Frank S's Avatar
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    saber saw keyway cutting

    Totally the wrong tool for the job, but I found myself not having anything small enough to cut a keyway with in a 5/8" bore other than to cut them entirely with a file. I clamped the foot of my saber saw in a vice then used it like a die filer to rough cut the small keyways in several sprockets then finished them off with a file it really saved a lot of arm motion.
    saber saw keyway cutting-img_20211020_165501kw.jpg

    saber saw keyway cutting-img_20211020_165745kw.jpg

    saber saw keyway cutting-img_20211020_170252kw.jpg

    saber saw keyway cutting-img_20211020_170826kw.jpg

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  2. The Following 19 Users Say Thank You to Frank S For This Useful Post:

    allenz (Oct 21, 2021), baja (Oct 30, 2021), chevy3755 (Oct 24, 2021), Christophe Mineau (Oct 22, 2021), DIYer (Oct 22, 2021), emu roo (Oct 24, 2021), Home-PC (Oct 30, 2021), Inner (Oct 21, 2021), johncg (Oct 22, 2021), Jon (Oct 28, 2021), lassab999 (Oct 22, 2021), Metallurg33 (Oct 25, 2021), mwmkravchenko (Oct 21, 2021), nova_robotics (Oct 21, 2021), rebuilder1954 (Oct 24, 2021), suther51 (Oct 22, 2021), that_other_guy (Oct 22, 2021), thevillageinn (Oct 23, 2021), WmRMeyers (Oct 21, 2021)

  3. #2
    Unkle Fuzzy's Avatar
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    My machine shop teacher told me that there no wrong way to do a job. There are better ways, but no such thing as a wrong way.

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    mwmkravchenko (Oct 21, 2021), WmRMeyers (Oct 21, 2021)

  5. #3
    Supporting Member WmRMeyers's Avatar
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    Quote Originally Posted by Unkle Fuzzy View Post
    My machine shop teacher told me that there no wrong way to do a job. There are better ways, but no such thing as a wrong way.
    So long as when the job is done, you still have all your body parts properly attached, and all your blood is still inside your body where it belongs.

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    cmarlow (Oct 24, 2021), mwmkravchenko (Oct 21, 2021)

  7. #4
    Supporting Member mwmkravchenko's Avatar
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    This I have done. Necessity makes for ingenuity.

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    nova_robotics's Tools
    I don't have a shaper and may have to steal this at some point. Well done, sir.

  9. #6
    Supporting Member Frank S's Avatar
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    Quote Originally Posted by nova_robotics View Post
    I don't have a shaper and may have to steal this at some point. Well done, sir.
    My dewalt saber saw is variable speed so I could go as slow as I felt necessary. Holding the small sprocket by hand can get dicey fast so if you use this idea I recommend a plate with a slot in it so the part you are cutting has a full bearing surface to rest on.
    be safe
    Never try to tell me it can't be done
    When I have to paint I use http://kbs.justoldtrucks.com/

  10. The Following 3 Users Say Thank You to Frank S For This Useful Post:

    nova_robotics (Oct 21, 2021), that_other_guy (Oct 22, 2021), Toolmaker51 (Oct 24, 2021)

  11. #7
    Supporting Member Christophe Mineau's Avatar
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    Could be fun if you could also adapt a needle file to fit the sabre saw jaws, maybe with some kind of support at the other end...
    Cheers !
    Christophe
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  12. #8
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    Thanks Frank S! We've added your Keyway Cutting Tool to our Metalworking category,
    as well as to your builder page: Frank S's Homemade Tools. Your receipt:




  13. #9
    Supporting Member mklotz's Avatar
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    Quote Originally Posted by Christophe Mineau View Post
    Could be fun if you could also adapt a needle file to fit the sabre saw jaws, maybe with some kind of support at the other end...
    Jigsaw blades cut on the pull stroke while needle files cut on the push stroke. This means that needle files must be mounted upside down in the jigsaw. You can see at least one way of doing it in my miniature die filer article...

    Miniature die filer
    ---
    Regards, Marv


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  14. The Following 2 Users Say Thank You to mklotz For This Useful Post:

    Christophe Mineau (Oct 25, 2021), Frank S (Oct 22, 2021)

  15. #10
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    Frank, Nicely done! Yes, I agree necessity does have a way of making us think outside of the box sometimes. Well done.

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