Fence Flatness

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Forum topic by MattMcC posted 03-08-2010 11:08 PM 744 views 0 times favorited 3 replies Add to Favorites Watch
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27 posts in 2431 days

03-08-2010 11:08 PM

Hi guys and gals. Need your thoughts on this. Recently I got out a dial gauge and measured a .002” bow in my fence toward the blade at roughly its mid point. I have the back end of the fence toed out by .002 (which means the bow in the middle is likely a little more than .002). Thoughts on the significance of this? Not sure what a good clear cut should look like relative to what I get, which seems OK.

3 replies so far

View PaulfromVictor's profile


224 posts in 2766 days

#1 posted 03-09-2010 12:54 AM

That sounds very low to me. If the wood does not bind, and you are satisfied with the cuts I wouldn’t sweat it.

View SKFrog16's profile


661 posts in 2621 days

#2 posted 03-09-2010 01:29 AM

MattMcM, welcome to LJ’s. The thing about .002 is this. That is the general thickness of anodizing coating placed on aluminum. A human hair is .04mm and in fractions, .002 is 2/1000’s. I think you can call your fence flat. When they built the Kobi bridge, allowable runout was 8 inches over the 2 mile span, actual was 3 inches. They call that perfectly straight.

-- Methods are many,Principles are few.Methods change often,Principles never do.

View MattMcC's profile


27 posts in 2431 days

#3 posted 03-09-2010 02:29 AM

Thanks guys.

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