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#1
09-29-2002, 11:17 PM
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60 grit belts
Some years ago a knifemaker showed me a flexible 60 grit belt that he used to grind bevels. I'm not sure what weight the backing was. but it was much more flexible than the X weight belts I can find. Does anyone know whether these are still manufactured?
With the X weight belts, when I break the edges to get that nice, smooth radius on the grind lines, I also strip off much of the abrasive, making it difficult to get that nice, smooth radius on the grind lines..... 
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#2
09-30-2002, 01:35 PM
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Brett, most makers, myself included, don't use course grits to make a radius on the plunge cut. Use your successive "J" weight belts for that.
"J" weight belts lend themselves to being rounded over the edge of a wheel or platen. As you do the most metal removal with the course grit, they are doing the most work, they get the hottest, and are the most abused. With that in mind, I think it would be wise to stay with "X" weight for those. JMO. Should you still wish to obtain "J" weight course grit belts, I'm sure places like Pops, or Tru Grit can supply them. http://www.popsknifesupplies.com/ http://www.trugrit.com/ __________________ Mike Last edited by Mike Hull; 09-30-2002 at 01:50 PM.
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#3
10-01-2002, 12:27 AM
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Mike, thanks for your reply. If I'm reading you right, you use the finer J weight belts to reshape the plunges left by the 60 grit belt?
(Since I'm grinding the initial hollow with 60, it's gotta leave a plunge somewhere, right?) I've never had much luck trying to do this, but then I've always jumped from a 60 right to a 220. Perhaps I should try 150 in between? Thanks, Brett
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#4
10-01-2002, 12:36 AM
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Brett, yes, I use the finer grit "J" weight belts to refine the plunge radius. Just stop short of where you want to be, when using the 60 grit belt. Bring things down to the line with the J's.
Many here go from 60 grit to 400 grit.  .Here are some links describing this process. http://www.ckdforums.com/showthread....&threadid=3438 http://www.ckdforums.com/showthread....&threadid=3479 http://www.ckdforums.com/showthread....&threadid=3442 http://pub42.ezboard.com/fcustomknif...picID=23.topic Most interesting topic in those url's __________________ Mike
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#5
10-02-2002, 01:14 AM
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Mike, thanks- lots of good information in those links.
I'll keep grinding.... Brett
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