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| Stewmac Straight Edges? http://www-.luthiersforum.com/forum/viewtopic.php?f=10102&t=8425 |
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| Author: | Brock Poling [ Tue Sep 12, 2006 12:16 pm ] |
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Does anybody know the tolerances of the SM straight edges. I am working on setting up my new table saw and I have 3 "known" straight edges and none of them agree. I have my table flat to within .002" across the entire surface and I am wondering if I should keep at it, or if I am being obsessive. But it is getting close enough that I am beginning to wonder about the tolerances of the straight edges. |
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| Author: | Jim Watts [ Tue Sep 12, 2006 12:35 pm ] |
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Flat with in .002 across a surface the size of table saw is very very good. It can be better but on something like a table saw your using a large area of surface not one location so I don'r think that error is very likely to show up in use with a table saw. My $.02 |
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| Author: | Shane Neifer [ Tue Sep 12, 2006 1:25 pm ] |
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Just looked up the in the Stew-mac catelogue and they are +/- .0015/ft. (The Lee Valley edge is within .001 over it's entire 24 inch length for less money...but only offered in the 24 inch size, mine arrived yesterday  )
Brock, I have to agree, 2 thou is way beyond GREAT! You're doing fine. What kind of saw did you get, we want pictures! Shane |
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| Author: | Brock Poling [ Tue Sep 12, 2006 10:26 pm ] |
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Thanks. 
It is a 5hp Grizzly Right Tilt. |
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| Author: | L. Presnall [ Wed Sep 13, 2006 12:31 am ] |
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You'll love it Brock! I've had 2 of the Grizzlies...the 3hp I built cabinets and furniture with is still going strong 12 years now! (I WISH it was within .002 across the table...  ).
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| Author: | Brock Poling [ Wed Sep 13, 2006 12:36 am ] |
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I am pretty excited about it. This is my first nice table saw. Now, my next challenge / task is getting the miterslots parallel to the blade. |
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| Author: | Michael Dale Payne [ Wed Sep 13, 2006 12:50 am ] |
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Brock Just to be sure we are talking apples to apples here the tolerance of .0015/ft is on StewMacs precision straight edges. They also sell rulers and other straight edges such as fret scales and notched straight edges that are not ground any where near this tolerance |
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| Author: | Don Williams [ Wed Sep 13, 2006 12:59 am ] |
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Brock, I've always felt you were a bit obsessive over your wood quality, and now I realize it extends much farther.... 
It's not a surface plate, it's a tablesaw top! I also have the 24" SM straightedge, and I'll test it out on my tablesaw top, just as soon as the top gets back from being lapped.
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| Author: | Brock Poling [ Wed Sep 13, 2006 3:08 am ] |
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[QUOTE=MichaelP] Brock Just to be sure we are talking apples to apples here the tolerance of .0015/ft is on StewMacs precision straight edges. They also sell rulers and other straight edges such as fret scales and notched straight edges that are not ground any where near this tolerance[/QUOTE] yes, I am referring to the real straight edges. |
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| Author: | Brock Poling [ Wed Sep 13, 2006 3:10 am ] |
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[QUOTE=Don Williams] Brock, I've always felt you were a bit obsessive over your wood quality, and now I realize it extends much farther.... [/QUOTE]
Oh... you have no idea....
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