stupid...but wheels for grinder.

cpdad
driving up their electric bill

Member since February 2006
Posts: 2,989

stupid...but wheels for grinder. Jul 14, 2007 17:34:29 GMT -5

Quote

Post by cpdad on Jul 14, 2007 17:34:29 GMT -5

i know this is stupid and going to cost me in the long run...but the grinder i am building has just sat on my table for awhile now....havent touched it.

forum.rocktumblinghobby.com/index.cgi?board=Pictures&action=display&thread=1181438332

i have made up my mind it will be finished within the next 2 weeks....minus wheels.

heres the stupid part....i cant afford to buy proper wheels right now.....so im going to buy jade carver diamond wheels....6" x 1" hard wheels....they are offered in 80..120..220...400...and 600 grit.

jadecarver.com/DiamondTools.htm

i have to buy 1 at a time....im going to grind something with this machine...then try to finish off the polish in the tumbler....i know this isnt the right way to do it.....but this machine is going to grind something soon.

anyway what grit combination do yaw recommend for these hard wheels....or 1 of each....kev.

a good friend will bail you out of jail. a true friend will be sitting beside you, saying" damn that was fun"

joe
still telling self it's just a hobby

Member since June 2005
Posts: 4,900

stupid...but wheels for grinder. Jul 14, 2007 22:42:01 GMT -5

Quote

Post by joe on Jul 14, 2007 22:42:01 GMT -5

Kev, I think an 80g and a 220g ought to do it for you. You can shape a stone very nicely with those two and then finish in the tumbler. Start with those two, if you feel the need for more...

After 220g you may want to look for a sale on a soft wheel, maybe 280g. Or an expando drum and SiC papers. After 220g soft is nice!

"Always keep a diamond in your mind"

rockds
still telling self it's just a hobby

Member since September 2005
Posts: 4,130

stupid...but wheels for grinder. Jul 14, 2007 23:25:35 GMT -5

Quote

Post by rockds on Jul 14, 2007 23:25:35 GMT -5

I agree with joe, more than 2 hard wheels would be over kill in the long run and if you are going to finish in the tumbler, they should be fine. One thing I would recommend would be for you to do is stay with agate / jasper that is all the hardness. After you've shaped and put into the tumbler, you will have to deal with undercutting and uneven wear.

Robert

Quick to judge, quick to anger, slow to understand.
Ignorance and Prejudice and fear walk hand-in-hand.

freeform Guest	stupid...but wheels for grinder. Jul 16, 2007 10:12:06 GMT -5 Quote Select Post Deselect Post Link to Post Back to Top Post by freeform on Jul 16, 2007 10:12:06 GMT -5 yup, Joe & Robert give sound advise. You only need hard wheels past the frist two stages when cutting stones like Opal or Turquoise. And even then, you can get by with what you got.

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Post by cpdad on Jul 14, 2007 17:34:29 GMT -5

Post by joe on Jul 14, 2007 22:42:01 GMT -5

Post by rockds on Jul 14, 2007 23:25:35 GMT -5

Post by freeform on Jul 16, 2007 10:12:06 GMT -5

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