Shop built 2x72 belt grinder
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  1. #1
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    Default Shop built 2x72 belt grinder

    We decided to build a grinder based on jeremy schmidt's design, we used a 3 hp 3 phase motor with an imported vfd

    Sent from my SM-G960U using Tapatalk

  2. #2
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    "We" can't have an original thought/idea/design ?

  3. #3
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    Lets see the one you built digger...phil

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  5. #4
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    if only i could stop fiddling with the design.... should be ready by august. This should look familiar

    grindah.jpg

  6. #5
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    I had an original thought/idea/design...times 4!

    Sander-Stu

    sander1.jpgsander2.jpgsander3.jpgsander4.jpg

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  8. #6
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    3hp motor for a 2" (ish) wide belt???!!

  9. #7
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    Here's one custom made for a project at Disneyland. It's 2 inch wide 120" belt powered by a 5 H.P. 3 phase.
    Attached Thumbnails Attached Thumbnails img_0936.jpg  

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  11. #8
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    Quote Originally Posted by Mike1974 View Post
    3hp motor for a 2" (ish) wide belt???!!
    Sure why not. I have a 2.2kw and a 4kw motor to choose from for my build. I might go with the 4kw one because it's 2900rpm and the smalle one is 1450rpm (50hz) and I don't want to deal with a VFD.

    I don't see a problem with using Jeremy's design. I mean I plan to do the same, it's a nice design. I made a metric CAD model though since I can't work with inches or get inch materials. 40x40mm bars and 10mm plate.

    I can see the OPs build it was modified as well so it's not a pure copy.

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  13. #9
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    Quote Originally Posted by Mike1974 View Post
    3hp motor for a 2" (ish) wide belt???!!
    Oh, HELL yes! Check the Burr-King lineup.

    "Velocity matters". Waaaay more stable that way!

    The store-bought El Cheapo's - Grainger "back in the day", Horror-Fright and "Big Box" as well, nowadays - are a b****y nuisance when there's any significant work to be done.

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  15. #10
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    I would get a guard around as much of that as possible. Junior machinist can sometimes put parts or fingers in the wrong place, or belt breaks and slaps their face.

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  17. #11
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    Quote Originally Posted by thermite View Post
    Oh, HELL yes! Check the Burr-King lineup.

    "Velocity matters". Waaaay more stable that way!

    The store-bought El Cheapo's - Grainger "back in the day", Horror-Fright and "Big Box" as well, nowadays - are a b****y nuisance when there's any significant work to be done.
    Yup, all our belt sanders are ether shop built or American made and in all cases big horse power and high feet per minute belt speed.


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