Vontorne Muller

Discussion in 'Sand Mullers' started by Jim Edgeworth, Dec 28, 2020.

  1. Jim Edgeworth

    Jim Edgeworth Silver

    977A109E-EB0B-4141-88B3-A04721ED920A.jpeg 6888AE41-F888-4B62-9280-F580BF5DDB5C.jpeg I built a close clone of George Vontorne’s muller, just for conditioning 10Kg batches of green sand. Seems to work well with light loads but my ex golf trolley gearmotor isn’t butch enough. I might change it out for a 1.5HP that I have lying around spare, trouble is it’s 2750rpm so it will need about an 80:1 reduction gearbox to get it down to a more manageable 35 rpm.
     
  2. Petee716

    Petee716 Gold Banner Member

    Nice one! I have one that works quite well. I built a wheel and plow model muller later when I got my first batch of petrobond.
    Pro tip: no one on craigslist wants it!!

    Pete
     
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  3. Tops

    Tops Silver Banner Member

    LOL!
    If anyone is looking to liquidate one of these let me know, this would be a good size for my current activities.
     
  4. Petee716

    Petee716 Gold Banner Member

    20200108_212924.jpg

    A couple hundred lbs on a pallet would be pricey to Minn from 14075.
     
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  5. Tops

    Tops Silver Banner Member

    True, true. Maybe hundredweight via UPS? Two boxes? :)
     
  6. Petee716

    Petee716 Gold Banner Member

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  7. FishbonzWV

    FishbonzWV Silver Banner Member

    If anyone is looking to liquidate one of these let me know

    It's a lot less work to modify a small Harbor Freight mixer. Gearing ratio is already there.
    I use a stock one with the paddles removed and a large stone as the muller. Works for me.
     
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  8. I recently spoke to someone who has a Simpson lab muller for sale. If interested I will get the information and photos
     
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  9. Tops

    Tops Silver Banner Member

    Thanks Eugene,I'd be interested, but cost plus shipping could be an issue. Trying to balance time spent making a muller versus money spent buying something done or close versus....too much time 'googling' them.
    :)
    PS If I did what FishbonzWV proposes I could be back and forth to Harbor Freight and acquire a large field stone and bolt it together today...no more 'googling' and I could practice the HT1 safety video saying 'no piddies, no piddies in the muller, nothing in there to grab...' :)
     
    Last edited: Apr 28, 2022
  10. The lab muller is in PA at a medium sized Aluminum Foundry. This is a very heavy duty machine although it is small. These lab mullers seem to never lose their value. He will sell it for $1500.

    He told me that it 25 lbs max batch capacity.
     
    Last edited: Apr 30, 2022

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