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Post by kap on Jul 1, 2012 20:11:06 GMT -5
So your saying the 330 takes longer to set so I would need to watch it a little longer?
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Post by phil on Jul 2, 2012 12:30:43 GMT -5
Ahhh. You're talking about the glue, not the grit. Sorry. Both should take about the same time to set up. Only difference I'm aware of is one is clear, the other isn't.
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Post by johnjsgems on Jul 2, 2012 18:34:39 GMT -5
220 Epoxy is amber and 330 is clear.
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Post by kap on Jul 3, 2012 19:57:11 GMT -5
OK I got the wheels done. I used 25cts of 270 grit, when they dried they are shiny and smooth is this normal? Do I need to break them in with a piece of hard agate rough when I put them on? The 330 being clear you can see the diamond grit shining in it  . THANKS Keith |
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Post by phil on Jul 4, 2012 11:48:15 GMT -5
Hard or soft wheels?
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Post by kap on Jul 4, 2012 13:26:26 GMT -5
8in soft wheels
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hand2mouthmining
spending too much on rocks
Purveyors of California Gem Rock
Member since September 2011
Posts: 495
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Post by hand2mouthmining on Jul 5, 2012 19:53:55 GMT -5
Thanks for this great thread, guys! We've been looking at Nova flats for our 18" & 24" Rocipro-laps, and the multi-thousand dollar price tag had us shuddering!  Thanks to your valiant experimentation, we should be able to equip both machines with a full set of laps for 1/10th the cost of Novas. We LOVED the Novas we used at the Tule Gem / Diamond Pacific Play Day, but at nearly $400 each for 18" magnetic backed pads, it looked like we'd have to do with a 3-step grinding system ... Not ideal. :serious: We also pick up "worn out" soft wheels at the local Club silent auctions, for $10 bucks each. These'll refurbish like a dream! So, we'll try this out with Epoxy 330 and diamond powder from the Jadecarver, and file a report sometime next month. Best regards, Kris & Al Hand-2-Mouth Mining |
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Post by phil on Jul 7, 2012 19:09:33 GMT -5
Kap....
I'd just lightly break them in with some agate, making sure I dress it side to side fully. failing that, you could very lightly break them in with a brick, but I'd do the agate.
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cherdarock
starting to spend too much on rocks
Member since December 2012
Posts: 140
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Post by cherdarock on Jan 5, 2013 3:23:08 GMT -5
go softy! I like. So Galaxie wheels are nickel bonded. Am I correct in assuming the diamond grits are pressed into a softer layer of metal like copper and then the wheels are electroplated with the nickel layers? I would like to be able to make all my own bits, wheels, laps, belts, blades, etc. ;D :cheesy: ;D  :serious: |
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Post by johnjsgems on Jan 5, 2013 16:08:10 GMT -5
I think the diamond is in a nickle mixture that is electroplated to the steel rim. The rim is then press fit on the fiber wheel core. You can buy nickle silver brazing rod. I know several people that make their own sphere cups by brazing beads on the cups. It would be hard to make a uniform wheel surface though.
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Post by kap on Jan 5, 2013 20:14:29 GMT -5
The ones I done are working great. I have some more wheels I am going to do now that I know about how long they last.
Keith
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on Jan 10, 2013 12:40:41 GMT -5
Hi! I've read the thread a couple of times but I'm still not sure has anybody had luck with refurbishing hard wheels?
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Post by kap on Jan 10, 2013 18:25:33 GMT -5
I have not tried to redo the hard wheels but would also like to know if anyone has and how it worked out.
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on Jan 10, 2013 23:57:14 GMT -5
I looked up Johnson Brothers Lapidary and their website says they will resurface a 6" hard wheel for $45. It would be interesting to see the results of their work. Anybody give them a try yet?
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milto
starting to spend too much on rocks
Member since January 2010
Posts: 162
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Post by milto on Jan 11, 2013 9:08:39 GMT -5
juzwuz, 100's of people have. I have for the last 2 years, our rock club have them do about 10 a year.By now it is down to a science for them.Are they as good as a $200 wheel, maybe not but sure worth what they charge.
milto
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juzwuz
has rocks in the head
Member since April 2010
Posts: 526
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Post by juzwuz on Jan 11, 2013 11:53:11 GMT -5
juzwuz, 100's of people have. I have for the last 2 years, our rock club have them do about 10 a year.By now it is down to a science for them.Are they as good as a $200 wheel, maybe not but sure worth what they charge. milto Milto, Thanks for the tip! I'm guessing that they refurbish the hard wheels by some electroplating process or something that is not easily done at home. Justin |
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Post by fantastic5 on Jan 11, 2013 12:48:27 GMT -5
Several months back I sent all of my wheels to Johnson Brothers to be resurfaced. Both the hard and soft Genie wheels have been working wonderfully. I would highly recommend them.
Also sent you a PM
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Post by gingerkid on Jan 15, 2013 0:42:22 GMT -5
Hi, fantastic5! Did it take long for you to receive your wheels after JB resurfaced them for you?
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riverbendlapidary
fully equipped rock polisher
Member since September 2006
Posts: 1,058
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Post by riverbendlapidary on Aug 8, 2013 18:25:03 GMT -5
Who sells non-friable diamond powder? Need some 140 grit 10ct.
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zarguy
fully equipped rock polisher
Cedar City, Utah - rockhound heaven!
Member since December 2005
Posts: 1,791
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Post by zarguy on Aug 9, 2013 1:41:08 GMT -5
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:serious: 
Nov 14, 2024 18:17:57 GMT -5
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