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Thread: Easy "bench grinder to belt sander" no welds, or lathe..

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    Supporting Member Tuomas's Avatar
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    Easy "bench grinder to belt sander" no welds, or lathe..

    This is my version from the very simple but still working bench grinder to belt sander build.

    Takes about an hour to make.



    Used 2.9$ bearings all other was surplus or scrap.

    Video should include all needed info, but ask if you have questions.

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    Last edited by Tuomas; Jun 8, 2019 at 04:04 AM.

  2. The Following 21 Users Say Thank You to Tuomas For This Useful Post:

    12L14 (Jul 31, 2019), Altair (Jun 8, 2019), Andyt (Jun 11, 2019), Beserkleyboy (Jun 10, 2019), Crusty (Jun 12, 2019), David Johnson (Jun 11, 2019), ednja (Jun 16, 2019), high-side (Jun 16, 2019), Jon (Jun 8, 2019), kboy0076 (Dec 8, 2023), Moby Duck (Jun 11, 2019), petethejuicefreak (Jun 10, 2019), PowerMk (Jun 30, 2019), RetiredFAE (May 23, 2022), rlm98253 (Jun 10, 2019), Scotsman Hosie (Jun 11, 2019), Slim-123 (Jun 10, 2019), sossol (Jul 29, 2021), stubb (Jun 11, 2019), Tonyg (Jun 11, 2019), Toolmaker51 (Jun 16, 2019)

  3. #2
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    Thanks Tuomas! We've added your Belt Sander to our Belt Sanders and Grinders category,
    as well as to your builder page: Tuomas's Homemade Tools. Your receipt:




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    Simple improvements. Bigger pulley for higher speed and belt tensioner. Still without welds or lathe. More info coming later.


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    Jon (Jun 14, 2019)

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    Very nice conversion. I think an angle grinder with a cutoff wheel is one of the most useful tools ever created.

    Though it's a non-standard practice I wonder if the belt grinder might be better with the tension arm and roller on the bottom side so that the backing platen isn't lost on the grinding side. It seems like a rigid enough design that the tensioner could work on the power side of the belt.
    If you can't make it precise make it adjustable.

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    Supporting Member Tuomas's Avatar
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    Quote Originally Posted by Crusty View Post
    Very nice conversion. I think an angle grinder with a cutoff wheel is one of the most useful tools ever created.

    Though it's a non-standard practice I wonder if the belt grinder might be better with the tension arm and roller on the bottom side so that the backing platen isn't lost on the grinding side. It seems like a rigid enough design that the tensioner could work on the power side of the belt.
    Tensioner is symmetrical, so it can be placed to bottom side too.
    This is still "wip". Backing plate will be mounted later. Stay tuned, to see where i planned it.

    Your toughts would work nicely too.

  8. #6
    Supporting Member Tuomas's Avatar
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    Here is what i planned..

    Easy "bench grinder to belt sander" no welds, or lathe..-fb_img_1560429172565.jpg

    Back plate is placed to bottom side..

    Easy "bench grinder to belt sander" no welds, or lathe..-fb_img_1560429180514.jpg

    Because i will make a stand for it, and tilt grinder 90 degrees.
    Then i can use both sides of the belt. Straight surface, and also those both curved spots on wheels, to shape / finish curved pieces.

    Easy "bench grinder to belt sander" no welds, or lathe..-fb_img_1560429188468.jpg

    Also, i will tilt grind stone mount 90 degrees, and replace old stone with bigger and finer grade stone.

    What do you think about that?

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    Jon (Jun 14, 2019)

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    It's standard engineering practice to put a tension roller on the portion of the belt loop opposite the portion that's pulled by the motor, but like I said your tensioner looks rigid enough that I don't think it matters. I like to have a platen under a belt to prevent it from being deflected too much and rounding the apex of an edge. This is a well done conversion and if my grinder had enough guts I'd be doing it to mine.
    If you can't make it precise make it adjustable.

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    Tuomas (Jun 14, 2019)

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    Here is couple pictures about "wip"

    Tilted the head. I had to relocate two mounting holes, it wasn't made symmetrical as i hoped. But that wasn't a problem.

    Easy "bench grinder to belt sander" no welds, or lathe..-fb_img_1560531678503.jpg

    Easy "bench grinder to belt sander" no welds, or lathe..-fb_img_1560531688095.jpg

    Because new stone is heavier than original one.
    I decided to add extra bearings to support it, to the left side.

    Idea seems to work, now i just need to finish the stand and workpiece rests.

  13. The Following 2 Users Say Thank You to Tuomas For This Useful Post:

    Beserkleyboy (Jun 14, 2019), Crusty (Jun 14, 2019)

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    Congratulations Tuomas - your Belt Sander is the Homemade Tool of the Week!

    Great work! This was a busy week and difficult to win. And, we've seen many homemade belt sanders, but this is a very creative build.

    Some nice tools from this week:

    Cold Bluing Method by The Aussie Shed
    Metal Bender from Log Splitter by olefella
    Pellet Trap by mklotz
    Rivnut Setting Tool by Mark Presling
    Air Compressor by Ukenick
    Drill Press Centering Tool by rgsparber
    Microscope Stand by threesixesinarow
    Nutcracker by ranald
    Chili Can Fruit Picker by TigerCreek
    Shotgun Pellets by AirborneProductions
    Mini Lathe by Michael Paley
    Disc Sander by Dan Larsen
    Rotary Tumbler by Max Maker
    Hot Wire Foam Cutter by DIYSwede
    Start/Stop Button and Pedal by RCTURKA
    Drill Press Angle Drilling Jig by Make Things


    Tuomas - We've added your tool entry to our All Homemade Tool of the Week winners post, and you'll be receiving a $25 online gift card, in your choice of Amazon, PayPal, or bitcoin. Please PM me your current email address and award choice and I'll get it sent over right away.

    More importantly, this is your 10th Homemade Tool of the Week win! I've just added the golden wrench-on-pedestal graphic to the awards showcase in your postbit, visible underneath your avatar.





    You join these three other 10-time winners: rossbotics, mklotz, and Vyacheslav.Nevolya. Congratulations again and good job

    Here are all 10 of your Homemade Tool of the Week winning tools:

    Last edited by Jon; Nov 25, 2022 at 11:55 AM.

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    Tuomas (Jun 15, 2019)

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    Toumas,
    Congrats on your latest win! Another fine build. Always a pleasure to see your ingenuity. Cheers
    Jim on the sunny South Coast NSW, AUS

  17. The Following User Says Thank You to Beserkleyboy For This Useful Post:

    Tuomas (Jun 15, 2019)

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