Delta 36-725 Owners (fence ?)

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Forum topic by Stewbot posted 01-08-2016 04:22 AM 2257 views 0 times favorited 8 replies Add to Favorites Watch
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199 posts in 1890 days

01-08-2016 04:22 AM

I was wondering (if checked) how flat your fence is? I’ve got a slight cup in my fence on both sides, it’s pretty consistent from end to end. Looks like so: )-( while looking at it head on. I don’t have feeler gauges so I can’t say what the discrepancy is for certain, but enough to notice and make note of (not enough to lose sleep over). I may inquire with delta about it and feel out a possible replacement, but certainly it’s not worth a full return, especially since I’ve got it all dialed in and cutting well. Anyway, just thought I’d throw it out there and check with other owners. Other than this, so far it’s seems like a good saw considering the price.


-- Hoopty scoop?

8 replies so far

View Karamba's profile


116 posts in 1742 days

#1 posted 01-08-2016 06:31 AM

You mean the middle of the fence near the blade is narrower than the front and back ends ? That could be undesirable leading to binding etc as the piece changes direction during the cut.
If you mean vertical cupping when the top and the bottom are wider than the middle it does not matter.

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13439 posts in 3186 days

#2 posted 01-08-2016 06:37 AM

A piece of paper is about .004” thick, so that will give you an idea. I own a different Delta with a Unifence, which I consider to be one of the best fences ever made, and it is not perfectly flat either. Definitely contact them and see what they say. Keep in mind the phenomena of woodworkers measuring anything in thousandths is relatively recent. When the Biesemeyer was invented in the 70’s, it was revolutionary and rated accurate to 1/16”.

-- Rick M,

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8160 posts in 3005 days

#3 posted 01-08-2016 06:52 AM

Unless the curvature is severe, it shouldn’t matter much… but do contact them and they might just send you out a new one to replace it.


PS: The Biesemeyer fence was/is accurate to 1/64” (sorry Rick :)

-- Brad in FL - In Dog I trust... everything else is questionable

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8382 posts in 4181 days

#4 posted 01-08-2016 10:23 AM

If returning it isn’t possible, or doesn’t hold a ton of appeal, you might be able to shim the middle so the fence is nice and flat. Or you could add an aux fence that should allow you to shim that….they’re handy to have anyway.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

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347 posts in 2229 days

#5 posted 01-08-2016 02:55 PM

Stewpot: all the fences they ship are made that way. I know for a fact… They sent me a brand new fence (with 1-piece rails to boot!) free of charge…. I ended up making my own fences with phenolic play.
While ripping, I could rock the piece of wood a few degrees. I did not like that.
Took 1 hour, and never looked back.

knotscott (Hello Scott!!) make a great suggestion too.
I wanted to build this:

But I did not have the time at that time…

View 716's profile


502 posts in 1722 days

#6 posted 01-08-2016 05:12 PM

While ripping, I could rock the piece of wood a few degrees. I did not like that.
Took 1 hour, and never looked back.
- jacquesr

You must be exaggerating. Turning a wood piece by 1 degree pivoting at front edge of the table causes 0.46” deviation at the back of the table. If by few you mean 3 that means the piece would be 1 1/2” narrower at one end than the other after the cut.

-- It's nice!

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199 posts in 1890 days

#7 posted 01-08-2016 05:19 PM

Thanks a lot for the replies.

yes vertical cupping Not as bad as the other kind mentioned.

Probably about 8-thousandths. Just enough to make you wonder if you’ve got an ugly duckling on your hands

Jacquesr, sounds like maby a lot are like this based on your experiences.

-- Hoopty scoop?

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347 posts in 2229 days

#8 posted 01-08-2016 05:27 PM

The fence’s sides are a thin, flat, smooth extrusion with no “ribs” to give it strength.
I agree it is not a couple degrees – just enough so the piece would risk a little bit.
So with the blade at 90, my result was not square.

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