gunny4eva
off to a rocking start
Member since September 2009
Posts: 18
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Post by gunny4eva on Oct 4, 2009 4:05:17 GMT -5
I just bought a new 3,000 6 micron diamond mesh belt the instructions state the belt needs a "slight break in period" by using a piece of aluminum oxide dressing stick...I don't have one of these sticks...For the price of belt one would think it would come ready to use.
A freind told me to use a piece of Jasper on the belt...Does anyone have some tips to share??
Thanks
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Post by johnjsgems on Oct 4, 2009 9:36:23 GMT -5
Eastwind company uses a 220 aluminum oxide stick. "All diamond products need a break-in period. This is especially true with 6 micron (3000) and finer products. This occurs due to diamond being micronized. The diamond is separated by a water process to size the particles. When the particles dry they sometimes form a vacuum between each other. The result is deep scratches until the vacuum is broken down by use. The way to dress the discs (or belts) is to run a piece of fine silicon carbide over the surface for 5-10 seconds". Also use plenty of water. They also say "use light to medium pressure when using resin products" , use a light touch in beginning until belt is broken in as it will cut more aggressively until broken in. If you use a flat agate to break in be careful not to push any sharp edge into the belt.
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gunny4eva
off to a rocking start
Member since September 2009
Posts: 18
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Post by gunny4eva on Oct 4, 2009 14:11:48 GMT -5
Thanks John..
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Post by johnjsgems on Oct 5, 2009 9:19:07 GMT -5
I tried to shorten a two page Eastwind flier. The short version is if it doesn't make scratches just use it knowing as it breaks in it will work better.
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drjo
fully equipped rock polisher
Honduran Opal & DIY Nut
Member since May 2008
Posts: 1,581
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Post by drjo on Oct 8, 2009 7:47:27 GMT -5
This is where the plain glass trick comes in handy too. If you get an even pattern, you don't have to 'break-in' the new belt.
Dr Joe
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