LumberJocks

Reply by HokieKen

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Posted on square?????

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HokieKen

16646 posts in 2145 days


#1 posted 07-13-2016 12:13 PM



Silly question, but how do you guys validate “dead nutz” square? Seems like you d have the chicken or the egg debate over and over. You have to have something square to find out if the other tool is square, but how do you know your first tool is square without something known square…

You could use the Pythagorean thing but your making pencil marks and measuring and if you re looking at .001” error you can easily exceed that with a pencil and ruler, right?

- ScottM

I have access to CMM and optical comparators so it’s pretty easy for me. You can register off a flat edge of a board and scribe a line then flip the square and scribe another line. If the 2 are parallel, then it’s square. You can pretty much check any 2 squares against each other too. If they are square to each other, then either they are square or they are both out the same amount in the same direction and the odds of that are pretty minuscule. Of course if they aren’t square, you won’t know which is true and which isn’t.

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA


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