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Post by Deleted on Feb 15, 2013 14:58:52 GMT -8
Hi all, just wanted to chime in on the subject of re-sharpening bits. I have had some success in doing so, but because I have a 30 power microscope to inspect my work as I go. I put the bit in my cordless drill and ran it in reverse on a very fine stone to sharpen the sides and then ever so carefully across the tip. I tested with very dull bit in the machine and added the sharpened one halfways thru the carve, it went from fuzzy (dull bit) to a nice clean cut, and have done 2 more carves since. I know they don't last forever but extending the life some is a big plus.
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Post by gullyfoyle on Feb 15, 2013 19:25:44 GMT -8
I've read that the problem with resharpening router bits is it changes the size. The sharpening shrinks them, so they are not as precise in shaping.
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Post by Greg on Feb 16, 2013 9:12:35 GMT -8
I'm gonna have to give that a try Bob, as for as the size changing I could see that if you are cutting main bearings are something but this is wood carvings I don't think .001" is going to make any diff.
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Post by Deleted on Feb 16, 2013 21:04:35 GMT -8
Hi Greg, I believe what was accomplished was more of a fine tuning of a dulling edge on the bit, wasn't much grinding to it at all plus the stone I used is likely about comparable to 1000 grit sand paper. So far so good on my 4th carve now and still looking good.
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Post by Deleted on Nov 2, 2013 9:15:16 GMT -8
Bob, any feedback as to whether or not you continue to resharpen bits?
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Post by Deleted on Nov 3, 2013 6:28:57 GMT -8
It worked to a degree, in that I am able to extend the life of the bits some. I still do it but it is more of a honing the existing edge back to sharp as opposed to trying to grind a new edge on the bit.
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