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Thread: Power "scrapsaw"

  1. #1

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    Beri's Tools

    Wink Power "scrapsaw"

    Hello everyone,

    I wanted to build a power hacksaw for a long time now, and finally started doing something about it.
    First problem was obtaining a motor with a worm gear reducer. Even ancient rusty ones from the junkyard are very expensive. Then I realized I had one sitting in the workshop since 1995

    It is the popular Chinese "dry and wet" grinder, sold all over the world under various brand names and different color.
    Power "scrapsaw"-grinder.jpg

    Since mine had the grinding wheels almost completely worn, and replacing them costs more than buying a new grinder, I decided to strip it off its grinding wheels and add a crank on the wormgear shaft to drive a hacksaw.

    This came out so far :


    There are still issues, but so far it looks like it might even work
    Will post more images and details as soon as I make some progress.

  2. The Following 3 Users Say Thank You to Beri For This Useful Post:

    Cogslayer (09-07-2016), Jon (11-26-2012), kbalch (11-26-2012)

  3. #2

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    Beri's Tools
    Greetings,

    did a few mods, and took a decent camera to make the video Seems better now



    To do: Metal base, mount swivel vice, and wire the machine properly with NVR and auto shutoff switches.

  4. #3
    Jon
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    Thanks Beri! Looks like a very interesting project. This one's been added to our Metalworking category, and of course to your homemade tools page: Beri's Homemade Tools. Your receipt:


  5. #4

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    Beri's Tools

    Thumbs up

    After a long break, I did some work on the saw, mostly electrical. A few more details, some paint, and we can call it finished


  6. The Following 2 Users Say Thank You to Beri For This Useful Post:

    blkadder (02-25-2017), Jakeapart (03-19-2017)

  7. #5

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    Beri's Tools
    This is how I wired it
    Power "scrapsaw"-hackwire.jpg


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