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Post by jakesrocks on Nov 22, 2015 11:28:54 GMT -5
A wet belt sander would certainly do what you want. But if you go that route, get the optional long backing plate. It will give the support you'll need for nice flat surfaces.
It would be a good idea to temporarily glue a block of wood to the back side of the slab, so you have something to hold on to. If you try holding your slabs by the edges, be prepared to shed some blood & loose fingertip flesh & nails. Belts, discs & grinding wheels will certainly remove them. (Been there, done that). And the problem is, your fingers will get cold & numb from cold water. You won't even know you're grinding flesh until the water in your drip tray starts turning red.
Not trying to scare you, and by using proper precautions you can avoid loss of flesh.
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Post by jakesrocks on Nov 21, 2015 17:07:43 GMT -5
Set it up in the garage noisy. They'd drive you insane in the house. Set up on a wooden floor, the sound would resonate throughout the house. They're reasonably quiet on a cement floor.
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Post by jakesrocks on Nov 21, 2015 16:16:04 GMT -5
I'm bidding on one of the old FL 15's right now.
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Post by jakesrocks on Nov 21, 2015 15:57:17 GMT -5
That's an oldie but a goodie. Bet it smells of Pella A oil, doesn't it.
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Post by jakesrocks on Nov 21, 2015 15:35:44 GMT -5
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Post by jakesrocks on Nov 20, 2015 23:50:09 GMT -5
Gotta agree with Chuck. even an 8" flat lap would be useless for doing 4" slabs. You have to remember that at least an inch is taken up by the center nut & washer, That leaves you 3 - 1/2" of disc to play with. A vibrating lap of at least 10" would be a better choice. And you'll only fit about 3 slabs on a 10" without crowding things.
The closer your slabs are to being perfectly flat when they come off your saw, the better too. If your saw is leaving grooves in your slabs, it can take forever in the course lapping stage to get them all out. And the little nub that's left on a slab at the end of a cut must be ground off before even thinking of putting the slab on the lap.
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Post by jakesrocks on Nov 20, 2015 19:12:23 GMT -5
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Post by jakesrocks on Nov 20, 2015 16:42:14 GMT -5
Unless Rio wants the old wheel back, save it. Those old wheels are great for dressing lapidary saw blades. When a blade quits cutting, just a quick cut or two through an old wheel will have that saw cutting again, unless the saw blade is worn out.
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Post by jakesrocks on Nov 20, 2015 12:12:02 GMT -5
Damned scumbag. They should tie him down in a tank full of starving rodents.
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Post by jakesrocks on Nov 20, 2015 10:36:34 GMT -5
First of all, beware of any Chinese knockoffs. They are usually very cheaply made.
Second, read the add carefully. That is a 220 volt, 50 cycle machine. It won't work on U.S. current.
If it were me, I'd save a bit more money and buy a Genie, or one of those machines from Kingsley North. They both get good reviews on here regularly.
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Post by jakesrocks on Nov 18, 2015 22:28:12 GMT -5
Welcome to the funny farm of rock addicts Steve, from a South Dakota Rockahaulic.
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Post by jakesrocks on Nov 18, 2015 16:57:47 GMT -5
Dang Mel, you just been cuttin up a storm. Both great rocks, but I've gotta go with the second one.
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Post by jakesrocks on Nov 18, 2015 14:36:36 GMT -5
Hey John, who's making the best expando's these days ?
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Post by jakesrocks on Nov 17, 2015 14:10:44 GMT -5
Intheswamp already asked Mike. But if he decides he doesn't want it, you're second in line.
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Post by jakesrocks on Nov 17, 2015 13:35:22 GMT -5
Still more from the haul. Brand new 6" Crystalite Cab Lap. Used but still usable 6" Crystalite Phenolic Lap. Used but still good 6" aluminum disc with elk hide cover. New 8" elk hide discs. Got several. New 8" Resin discs to use with diamond paste. Got several. New 6" cork polishing discs. Got 2. I love these things.
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Post by jakesrocks on Nov 16, 2015 22:06:15 GMT -5
I already have a 6" Rock Rascal saw. I'm gonna clean this one up, and may decide to sell it.
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Post by jakesrocks on Nov 16, 2015 19:15:02 GMT -5
A pack of 5 - new 8" rubber pads. And a Crystalite 8" Starlap which has barely been used.
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Post by jakesrocks on Nov 16, 2015 19:12:49 GMT -5
Unpacked a few more things today. There were 8 of these 8" end plates. each with the rubber cushion and polishing pad. And each marked on the back for a different grit of diamond paste.
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Post by jakesrocks on Nov 15, 2015 15:49:03 GMT -5
Hey Cobblestones, got a question for ya. Is the wear plate in the bowl of your bead mill removable ? I just pulled my Crown bead mill apart, and the bottom plate can be removed by pulling 3 screws. Here's what mine looks like.
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Post by jakesrocks on Nov 15, 2015 14:00:56 GMT -5
WOO HOO ! Just pulled the bead mill apart. There is zero wear in the pan or on the wear plate. The machine has never been used. Both aluminum parts are still shiney fron the original machining. How's that for a machine that was produced in the early 70's ? There's a small amount of tarnish on the bowl. Nothing that a little 0000 steel wool won't polish out.
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