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Does Anyone Have Any Insight On This Grinder??

Discussion in 'Grinders' started by JSweet, Jan 12, 2018.

  1. JSweet

    JSweet New Member

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  2. cuatroXcuatro

    cuatroXcuatro Member

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    You can build one for much less than the $2200 being asked.
     
  3. JSweet

    JSweet New Member

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    yeah figured as much. its 1600 without the motor and electic speed controller (3 letter acronym that starts with V).
     
  4. Grayzer86

    Grayzer86 Active Member

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    It looks like a decent grinder but i think the price is high for what it is. 1 hp is bare minimum in my opinion, and that doesn't appear to be a NEMA4 dust proof VFD. Based on its location I would be concerned about metal dust shorting it out, and would want to put it in an enclosure. At $2200 you could pretty much buy a KMG with platen and contact wheel, and add a motor and VFD. For reference i built my own 2x72 based off the no weld grinder plans with a few mods, for about $800, and that is with quality wheels, not plastic ones. I have 2, 2 inch rubber wheels on the platen, (Far superior to aluminum if used as a contact wheel because they dont give any belt bump), an aluminum tracking wheel, 4 inch aluminum drive wheel, 2hp 3phase Baldor motor, and a VFD. Instead of paying $300 for a 10 inch contact wheel with bearings, i bought a 10" grizzly wheel for $90 and gave a buddy a case of beer to mill it and add bearings for me. A grinder can be built cheaper if you are willing to hunt for deals. I started with a 1 hp motor off a damaged table saw i got at a yard sale for $15 and ran single speed. When i ran that motor with no VFD i was closer to $500 for the build. Even the 2hp Baldor was a yard sale find, new in box. A guy bought it for his boat lift not knowing it was 3 phase. It had no price sticker on it and he was so convinced it wouldn't work for what i wanted, that he wouldn't take my money, so i threw him $20 for some old files he wanted $5 for and threw it in my truck. Other than the fact that i need to add more belt tension, the grinder has done everything i have asked it to, without a single issue.
     
  5. JSweet

    JSweet New Member

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    Thats great Grayzer. thanhs mate. ill just wait on my fab guy and see what he'll charge me for the steel and cuts.
     
  6. dancom

    dancom Dust Maker Best Shop Tool

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    I have the same concerns as Brandon. The VFD is not in a proper enclosure for this application. Add about $200 for a sealed enclosure, fan, terminals, wire etc. You could buy the unit without the VFD and order up a KBAC. I made my Sayber OSG for $1400 CAD. Again it's about how much work you want to put in.

    Curious, which grinder design are you going with?

    Dan
     
  7. JSweet

    JSweet New Member

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    I was going to go with your design Dan with the 12" platen. Use the same company you got the motor from (i believe the 110, 2hp option) as i only have standard outlets in my garage, and the enclosed KBAC you recommended. im just waiting on a mate to see how much or even if his buddy will cut the parts for me.
     
  8. dancom

    dancom Dust Maker Best Shop Tool

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    For some "2 hp" VFDs, 1.5 hp is the 115 V rating. Example the KBAC-27D is rated for 1.5 hp when connected to 115 V and that rating goes up to 2 hp when connected to 230 V. I would recommend going with a 1.5 hp motor if you're never going to use it on 230 V. MTRP-1P5-3BD36 is the 1.5 hp version of the one I have.
     
  9. JSweet

    JSweet New Member

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    Thanks. would you still go with the KBAC -27D or the model down?
     
  10. dancom

    dancom Dust Maker Best Shop Tool

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    For the 1.5 hp you'll want the 27D. The 24D is only rated 1 hp.
     
  11. JSweet

    JSweet New Member

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    Perfect. Thanks Dan. Ill post my progress when i get this going.
     

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