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Post by captbob on Feb 6, 2015 1:21:32 GMT -5
Hey juzwuz what blades did you use for your super grinder, and did they fit the arbor or did you have to drill them out? |
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Deleted
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Post by Deleted on Feb 6, 2015 20:10:25 GMT -5
Hey juzwuz what blades did you use for your super grinder, and did they fit the arbor or did you have to drill them out? I bought 6 six inch segmented blades. 3/4" arbor hole fits most arbors. |
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on Feb 6, 2015 21:10:33 GMT -5
Hey juzwuz what blades did you use for your super grinder, and did they fit the arbor or did you have to drill them out? I bought a pack of ten 7 1/4" tile saw blades from ebay for $60 shipped. The title was: Planet Diamond 7" Wet Cutting Diamond Tile Blades Pack of 10 Blades I can't remember if it was a 3/4" or 5/8" but they fit my arbor without drilling. I might space them out a little to see if that improves the grinding speed. |
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on Feb 6, 2015 21:11:30 GMT -5
Thanks for the link. I grabbed one off of ebay. |
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Post by Deleted on Feb 6, 2015 21:29:26 GMT -5
Justin some use surplus CD or DVD as spacers. It will be aggressive. Nice!
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SirRoxalot
freely admits to licking rocks
Member since October 2003
Posts: 790
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Post by SirRoxalot on Apr 4, 2015 11:23:33 GMT -5
So, anybody locate a source for the appropriate gearmotors, or are we SOL???
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Post by Deleted on Apr 4, 2015 14:50:02 GMT -5
So, anybody locate a source for the appropriate gearmotors, or are we SOL??? Not SOL. Just be willing to pay $250 per motor. At that price you can have as many as you'd like. |
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SirRoxalot
freely admits to licking rocks
Member since October 2003
Posts: 790
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Post by SirRoxalot on Apr 4, 2015 16:47:16 GMT -5
Heh. I think I'd rather buy the 12lb Lortone tumbler motors, shafts, and pulleys. Should be under $200 for 3.
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Post by Deleted on Apr 4, 2015 16:56:13 GMT -5
What is torque/wattage of those motors? Also, what is final RPM?
Has someone made a sphere machine this way?
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Post by jakesrocks on Apr 5, 2015 10:20:31 GMT -5
Unless you plan on turning spheres slightly larger than a marble, I think the Lortone tumbler motors would be way underpowered. Remember, not only are those motors turning the weight of the stone, but the grinding cups as well. Add to that the resistance of grit loaded cups turning against rock under pressure.
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SirRoxalot
freely admits to licking rocks
Member since October 2003
Posts: 790
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Post by SirRoxalot on Apr 16, 2015 12:50:23 GMT -5
They turn 12+ pounds of rock, fifty bucks apiece.
A buddy made a sphere machine out of two drill presses.
Not pretty but it works. Maybe that's the way to go???
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Deleted
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Post by Deleted on Apr 17, 2015 1:04:30 GMT -5
They turn 12+ pounds of rock, fifty bucks apiece. A buddy made a sphere machine out of two drill presses. Not pretty but it works. Maybe that's the way to go??? Rotating 12# rock in barrell not same as supporting 12# sphere on drive shaft. What are specs on the motor? Wattage, rpm, torque.... |
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Post by DirtCleaner on May 7, 2015 16:51:24 GMT -5
It is time for an update on the projects started on this thread. Curios how everyone is doing.
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Post by jakesrocks on May 7, 2015 17:33:52 GMT -5
It is time for an update on the projects started on this thread. Curios how everyone is doing. Mine is still sitting, waiting to be wired up. Went through 6 months of medical problems. Now it's the wife's turn with a knee replacement. One of these days the whole fam damily will be well enough for me to get back on it. |
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Post by captbob on May 7, 2015 18:24:45 GMT -5
And here I was thinkin' that you should just box it all up and sell it to me!
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on May 8, 2015 22:26:59 GMT -5
I'm working on a malachite sphere made from rough I got from rxscram.
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Deleted
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Post by Deleted on May 9, 2015 6:55:07 GMT -5
I'm working on a malachite sphere made from rough I got from rxscram. That should be amazing. If you have problems polishing it up with pads you might try finishing it up on a 3000 soft wheel. Super shines the stone from rxscram. It does not like the velcro pads I use at all even with a really soft touch. Looking forward to seeing how this turns out. Jim |
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on May 9, 2015 10:35:08 GMT -5
I'm working on a malachite sphere made from rough I got from rxscram. That should be amazing. If you have problems polishing it up with pads you might try finishing it up on a 3000 soft wheel. Super shines the stone from rxscram. It does not like the velcro pads I use at all even with a really soft touch. Looking forward to seeing how this turns out. Jim Jim, Thanks for the tip. The preform is ready but I haven't had time to work on it until this weekend. I'll post some progress pictures. Justin |
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