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06-19-2012, 03:26 AM #1
- Join Date
- May 2011
- Location
- Woodland, Wa.
- Posts
- 53
Thanked: 6Need help flattening a norton flattening stone
Anyone know how to do this? I was flattening a much smaller hone and realied the Norton flattening stone started to develop pretty hefty unlevel spots. Any ideas would be appreciated. Or is it a total loss?
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06-19-2012, 03:33 AM #2
- Join Date
- Aug 2009
- Location
- Des Moines
- Posts
- 8,664
- Blog Entries
- 1
Thanked: 2591use hard flat surface ans sand paper that is coarser than the lapping stone grit.
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06-19-2012, 03:33 AM #3
Wet/dry sand paper on a flat surface. Soak lapping stone 10 to 15 min, wet surface place sand paper, wet sand paper, draw a grid in pencil on lapping stone, lap it on the sand paper
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06-19-2012, 06:27 PM #4
I just tried using 240 grit sandpaper on a marble table top (flattest thing I have) and it seems to be taking from the center of the flattening stone but both ends are not yet being touched. Can I move up to a coarser sandpaper? It seems like at this rate 240 will take forever. Rather unsettling to see how unflat and new flattening stone is.
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06-19-2012, 06:35 PM #5
Yeah you can go down to a lower grit just once you get it flat go back up to 240 for a little bit