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Thread: 24" X 1" Belt Grinder

  1. #1
    Supporting Member LMMasterMariner's Avatar
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    24" X 1" Belt Grinder

    Made small 24" x 1" belt grinder for my little workshop.



    As my workshop is only 3 x 2 meters (6 square meters) and already have lathe, milling/drilling machine, 2 benches, etc inside, there is no much room left for big machines. Actually I don't need 72" x 2" belt grinder at all. This small one is all I need.

    Materials used:
    mild steel, 304 and 316 st. steel, 6061 aluminum, angle grinder.

    Unfortunately cordless grinder died. The only 2 good things about this cordless grinder were: 1. cordless, which is good as you don't need extension cables when moving it out of workshop and 2. several speeds for various materials and various grits belts. All the rest wasn't so good. No enough power for this task to start with, spindle lock button, etc... Lidl brand Parkside came with 3 years warranty, so I returned it to them.

    Either drive wheel or tracking wheel must be crowned (barrel shaped), not the contact wheels. As drive wheel is perfectly fabricated and well balanced, I crowned tracking wheel. This is the blue one, which I ordered from aliexpress. They call it chain roller tensioner. I bought 3 of them as they were very cheap and I was too lazy to make them.
    Later I just replaced them with ball bearings (62200 - 2RS1, 10 x 30 x 14 mm)

    3 drawings attached and the rest can be seen in the video clip.

    Cheers
    LMMasterMariner
    Attached Thumbnails Attached Thumbnails 24" X 1" Belt Grinder-print-bs-02.jpg   24" X 1" Belt Grinder-print-bs-03.jpg   24" X 1" Belt Grinder-print-bs-04.jpg  

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    Last edited by LMMasterMariner; May 30, 2021 at 03:51 PM. Reason: new not distorted video with proper title posted

  2. The Following 9 Users Say Thank You to LMMasterMariner For This Useful Post:

    DIYer (May 31, 2021), DIYSwede (May 30, 2021), Home-PC (Jun 7, 2021), johncg (Jun 5, 2021), Jon (May 30, 2021), NortonDommi (Jun 19, 2021), old_toolmaker (Jun 3, 2021), RetiredFAE (May 31, 2021), Tonyg (Jun 1, 2021)

  3. #2
    Supporting Member DIYSwede's Avatar
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    Thanks for the video and drawings! Good craftsmanship again!
    One of these days I'll get myself together and wing something of the like together,
    that'll give me some use of a mixed full bag of 533 x 75 (21 x 3") belts of different grades...
    Guess I'll be so cheap as to cut them along the centre for a 1,5" wide belt in a smallish DIY grinder.

    Tip for a pretty good load of very different kinds of royalty-free music: https://freemusicarchive.org/
    Perhaps you'll find something to your liking that'll complement your excellent videos!

    Cheers,
    Johan

    PS: This is a given tune for, say a 4 min disassembly/ assembly time-lapse?:
    https://freemusicarchive.org/music/B..._Zeppelin_1908

  4. #3
    Supporting Member LMMasterMariner's Avatar
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    Thanks for royalty free music tips. I used one from my previous posts (acoustic blues). I am currently uploading new post (24" x 1" Belt Grinder). Once uploaded will delete this one (24" x 1" Belt Sander). I am also cheap. I am cutting 610 x 75mm belts in 3 pieces. 533 would be little bit too small, I think. I wanted to have at least 100 mm platen. It will be shorter with 533mm belts.

  5. The Following User Says Thank You to LMMasterMariner For This Useful Post:

    DIYSwede (May 30, 2021)

  6. #4
    Supporting Member LMMasterMariner's Avatar
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    New video posted. Hope you like the music.

    Cheers
    LMMasterMariner

  7. #5
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    Thanks LMMasterMariner! We've added your Belt Grinder to our Grinding category,
    as well as to your builder page: LMMasterMariner's Homemade Tools. Your receipt:




  8. #6
    Supporting Member LMMasterMariner's Avatar
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    It is also possible to install contact wheel 112mm dia. 2 new drawings are here.


    Cheers
    LMMasterMariner
    Attached Thumbnails Attached Thumbnails 24" X 1" Belt Grinder-contact-wheel-112-mm-installed.jpg   24" X 1" Belt Grinder-contact-wheel-112mm-belt-length-calculation.jpg  

  9. The Following 2 Users Say Thank You to LMMasterMariner For This Useful Post:

    DIYSwede (Jun 3, 2021), Home-PC (Jun 7, 2021)

  10. #7
    Supporting Member old_toolmaker's Avatar
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    LMMasterMariner,
    Very nice work on your 24x1 belt grinder.
    Dick


    Links to some of my plans:

    https://www.homemadetools.net/forum/...965#post105972 OFF-SET TAILSTOCK CENTER PLANS
    http://www.homemadetools.net/forum/s...995#post112113 SMALL TURRET TOOL POST PLANS
    http://www.homemadetools.net/forum/l...994#post112111 LARGE TURRET TOOL POST PLANS
    http://www.homemadetools.net/forum/m...383#post110340 MINI-LATHE CARRIAGE LOCK PLANS
    http://www.homemadetools.net/forum/s...191#post106483 SMALL QC TOOL POST PLANS
    http://www.homemadetools.net/forum/q...849#post119345 QUICK CHANGE LATHE TURRET
    http://www.homemadetools.net/forum/m...949#post119893 MINI LATHE COMPOUND PIVOT MODIFICATION

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    LMMasterMariner (Jun 3, 2021)

  12. #8
    Supporting Member DIYSwede's Avatar
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    Thanks for the Mk II 112mm wheel upgrade, LMMasterMariner.

    -Do you change the crowned wheel (I guess it originally sits right above the platen?) over to the tensioner arm as well?
    If so, how do you adjust the belt tracking?

    Just curious

    Johan

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    old_toolmaker (Jun 4, 2021)

  14. #9
    Supporting Member LMMasterMariner's Avatar
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    Quote Originally Posted by DIYSwede View Post
    Thanks for the Mk II 112mm wheel upgrade, LMMasterMariner.

    -Do you change the crowned wheel (I guess it originally sits right above the platen?) over to the tensioner arm as well?
    If so, how do you adjust the belt tracking?

    Just curious

    Johan
    I didn't remove tracking wheel. it's the blue one on the tension arm, so tracking should be good.
    And there is no need to remove upper contact wheel (top left) and spark arrestor. They are not in the way of the belt.

    Cheers
    LMMasterMariner

  15. #10
    Supporting Member DIYSwede's Avatar
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    Thanks for clarifying!
    From my (too) quick glance at the drawings I thought the crowned wheel was on the top front position,
    now I realize I was wrong, again!

    I guess shoulda gone through your eminent drawings more carefully - not jumping to conclusions... Ah, well.

    ATB
    Johan

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