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Post by phil on Jul 28, 2014 11:51:19 GMT -5
I recently bought all the brand new 8 inch diameter, 3 inch wide x 1 inch arbor thumper wheels a local shop was having a fire sale on. These are the wheels I've been converting to diamond wheels which have been performing so well the folks who use them keep asking for more. Let me tell you, working on a 3 inch wide diamond wheel is a dream compared to the 1 inch or 1.5 inch commercial wheels!
Ok, back to the reason for this post. I bought them to pass them on, the deal was too good to pass up. New, these puppies sell for about $70 each. I'm offering them for $25 each, or 4 for $80. If you've been thinking about changing over, now may be the time. There won't be a better time or price to buy these, and when they're gone, I don't expect to find any more at this low price! I can get 2 in a large USPS flat rate box, 4 would have to go UPS or Fed ex. Shipping isn't included.
Thanks! Pics on request.
Phil
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electricmonk
spending too much on rocks
Member since August 2011
Posts: 281
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Post by electricmonk on Jul 28, 2014 13:50:17 GMT -5
Are the thumper wheels the old style that you wrapped with bulk roll sanding paper? If so are you using a diamond product to wrap them instead? Just curious, sounds nifty!
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Post by phil on Jul 28, 2014 14:17:20 GMT -5
Yes, the old sandpaper thumpers. I've been applying a permanent diamond coating on the rubberized surface. There's a thread here somewhere about it. A little over a year ago I made a set for the senior center where they get used hard 3 days a week, by up to 18 people per day. The commercial diamond wheels they bought at the same time and installed have worn out. Mine are still going strong. Slowed a little but still better and faster than the commercial Nova type wheels they also have. Here are the latest pics I have: 100 grit at 6 months use:  220 grit at 8 months use  The 100 grit was sabotaged by a user who was kicked out of the class who then slashed it with a knife, making a large gash right in the center. Funny thing tho, the wheel continued to work like a champ, but it was retired for safety reasons, just in case. I refurbed it, and it's sitting out in my garage till I need it. The 14K, 50K and 600 grit wheels are just like the 220 in wear and use. |
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electricmonk
spending too much on rocks
Member since August 2011
Posts: 281
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Post by electricmonk on Jul 28, 2014 17:56:36 GMT -5
Very cool indeed, what is the materials cost to do the actual coating roughly speaking? I have one of the old thumper wheels and am sure I could get my hands on a few more locally, would love to have a selection at some point.
Thanks!
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Post by phil on Jul 28, 2014 19:11:00 GMT -5
About $40 to make one.
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electricmonk
spending too much on rocks
Member since August 2011
Posts: 281
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Post by electricmonk on Jul 28, 2014 23:10:58 GMT -5
That is very reasonable, does the process strip it down to the metal or require the backing to be intact? (think I am remembering its construction correctly)
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deserthound
spending too much on rocks
Member since December 2013
Posts: 390 
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Post by deserthound on Jul 29, 2014 0:33:38 GMT -5
pm sent
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Post by phil on Jul 29, 2014 10:38:23 GMT -5
That is very reasonable, does the process strip it down to the metal or require the backing to be intact? (think I am remembering its construction correctly) Nope. If you remove the rubber, you eliminate all flexibility. You are making Nova equivalent type wheels, only wider. I make mine using 5 times the diamond that commercial wheels have, and it makes a very noticeable difference. I'll look for the thread on how to do it, perhaps you'd better look too just in case... |
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