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Osborn Manufacturing EB-3 Auxiliary Fence

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Project by ChunkyC posted 1500 days ago 2906 views 4 times favorited 9 comments Add to Favorites Watch
Osborn Manufacturing EB-3 Auxiliary Fence
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I love my EB-3 but hate that it’s not easy to attach a auxiliary fence to. So I solved the problem by making one. This is the prototype made for 2 pieces of 3/4” AC ply laminated to be 1-1/2 thick. I plan on making a more permanent fence from BB ply. There’s a standard T-Track cut in the top to accommodate a flip down stop. I made mine from scape pieces of walnut. I made “extra” stock that fits into the T-Tack for future use.

The fence attaches to the EB-3 by way of a non-standard T-Tack. The T-Tack needs to be a minimum of 7/8 for the EB-3 to attach. I only have a 5/8 T-Slot cutter so I just cut a 5/8” dado and made to passes with the T-Slot bit to me about a 1” wide T-Track. Works great. You have to cut the dado for the T-Slot on the back about 1/16 deeper then needed so that the EB-3 fixture will fit into the T-Slot.

The flip stop as designed needs some improving. It works like it should but it tends to twist when you tighten down the knob. I’ll make a better one with the left over stock that is longer in the slot to help with the twisting.

The nice thing about this aux fence is that it is nice and square, you can easily attach a sacrificial fence to it using clamps or screws from the back or you can just use the fence itself as a sacrificial fence.

Rough dims are 3-1/2” tall (3” now, I had to re-cut the T-Tack on the top) by about 32” long. It can be made any length of height that you like really.

No comments please from the eagle eyes among us about the Glue Line Rip blade in the saw and using it with the miter, cross cut. The last cut that was made on the saw was some rip cuts and I wasn’t about to change a blade for a photo opp. lol

Thanks for looking.

Chunk

-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135





9 comments so far

View psh's profile

psh

77 posts in 1593 days


#1 posted 1500 days ago

Looks good and useful.

-- Peter, Central VA

View Sean's profile

Sean

156 posts in 2212 days


#2 posted 1500 days ago

Good deal!

-- "Democracy is by far the worst system of government. Except all the others that have been tried." ~ Winston Churchill

View a1Jim's profile

a1Jim

111999 posts in 2174 days


#3 posted 1500 days ago

great idea

-- http://artisticwoodstudio.com Custom furniture

View lanwater's profile

lanwater

3073 posts in 1531 days


#4 posted 1500 days ago

It looks really good.

-- Abbas, Castro Valley, CA

View Skylark53's profile

Skylark53

2557 posts in 1657 days


#5 posted 1500 days ago

This looks like it’ll work very well. Great job!

-- Rick, Tennessee, John 3:16

#6 posted 1500 days ago

I’m going to deliberately expose myself to ridicule and scorn by admitting that I have no clue.

What’s an “EB3”?

I even did a web search but the results had nothing to do with woodworking at all.
Obviously it’s some sort of miter gauge, but I just don’t know what.

d

-- Will trade wife's yarn for tools.

View ChunkyC's profile

ChunkyC

856 posts in 1851 days


#7 posted 1500 days ago

View ChuckV's profile

ChuckV

2376 posts in 2124 days


#8 posted 1500 days ago

Hi Don,

It is the Osborne EB-3 Miter Gauge. There are some LJ reviews here.

-- “That it will never come again / Is what makes life so sweet. ” ― Emily Dickinson

View ChunkyC's profile

ChunkyC

856 posts in 1851 days


#9 posted 1498 days ago

—UPDATE—

Well I made the final version last night. I use 3/4” Baltic Birch Ply for the fence and I remade the flip down stop block. The original was too short and would twist when tightened so I made it longer. Doing so, I had to make a few mods but all it all it works very well now.

Here are a couple pics:


In this shot you can see how I cut a T-Slot down the backside for the mount plate to slide in.


One this version I chamfered the edges ~1/8”. This helps with saw dust collecting between the face and the table and it makes the edges on top not so “sharp.”

I plan on drilling a couple holes through the face to the back so that a sacrificial fence can be screwed on from the back, much like standard miter gauges.

All an all a very simple little project.

-- Chunk's Workshop pictures: http://spadfest.rcspads.com/thumbnails.php?album=135

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