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Multi Function Alignment JIG

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Project by Routerisstillmyname posted 03-07-2010 12:23 AM 4011 views 22 times favorited 13 comments Add to Favorites Watch

Few pieces of aluminum and magnets, few taps and screws, a complete adjustable table saw and jointer alignment jig accurate and EZ on the eyes ;-)
TFL

-- Router è ancora il mio nome.





13 comments so far

View DoctorDan's profile

DoctorDan

281 posts in 1682 days


#1 posted 03-07-2010 12:46 AM

I want one!

-- Daniel - http://theloveofwood.blogspot.com/

View bigike's profile (online now)

bigike

4032 posts in 1956 days


#2 posted 03-07-2010 01:36 AM

very nice, i want one too. The 90 deg. square u got in the pics where dd u get it from? it’s the second time i seen one like that but can’t seem to find one for sale.

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View bill merritt's profile

bill merritt

203 posts in 1956 days


#3 posted 03-07-2010 02:32 AM

Make that three, I can think of alot of uses for this. Where can we find the 90 deg. in pics?Good work.

-- Bill Merritt -Augusta Ga. woodworker

View Jason Tetterton's profile

Jason Tetterton

48 posts in 1689 days


#4 posted 03-07-2010 02:33 AM

Very cool, you should patent this, if it’s not already patented..

-- Jason, Central Virginia

View ajosephg's profile

ajosephg

1854 posts in 2228 days


#5 posted 03-07-2010 02:59 AM

You can get a square like that at the Edward J Bennet Co.

-- Joe

View Routerisstillmyname's profile

Routerisstillmyname

711 posts in 2176 days


#6 posted 03-07-2010 03:02 AM

Several commercial versions of these are available made in USA and made in china. You can spend between 60-450 + or make your own for price of aluminum bar.
MasterGage Pro, ts-aligner jr., A-Line-It, Red-Line X Point, Digi-Align just to name a few.
Squares at EJB under accessories.

-- Router è ancora il mio nome.

View jayjay's profile

jayjay

639 posts in 1713 days


#7 posted 03-07-2010 04:02 AM

Nice design. And very useful.

-- ~Jason~ , Albuquerque NM

View Routerisstillmyname's profile

Routerisstillmyname

711 posts in 2176 days


#8 posted 03-07-2010 04:19 AM

Thanks for comments.
If I were to buy a commercial jig, I would go with TS-A. but I enjoy making jigs so just few hours and anyone can make these. As long as a jig is solid and there’s no play, your accuracy becomes dial dependent. I will be adding another function to it as soon as I get my hands on impossible to find 4-48.

-- Router è ancora il mio nome.

View jm82435's profile

jm82435

1280 posts in 2409 days


#9 posted 03-07-2010 04:26 AM

Pretty cool looking gizmo you have there. How do you use the indicator with dual points to set the fence and blade? What are the advantages over a square? I guess it applies pressure while you are adjusting the jointer fence so that one of the points are always touching the fence then when they both touch (and the indicator is at the same measurement?) it is correctly positioned? Forgive me for all the dumb questions, I haven’t seen one like this, I just want to understand how it works…

-- A thing of beauty is a joy forever...

View Routerisstillmyname's profile

Routerisstillmyname

711 posts in 2176 days


#10 posted 03-07-2010 04:41 AM

The Dual point is used to align the squareness. It uses the zero reference technique. That means the jig and the reference square are placed on a flat surface.
The two dial points are pushed until making a contact with the square, then zero out the dial and remove the square.
Now when you push the jig against the saw blade or jointer fence the dial should read zero if they are perfect square with reference to the surface.
The advantage is, this is the most accurate way of aligning blades or fences. But there are those that will tell you this kind of accuracy is not necessary in wood working. you could just use a wixey or something but that would get you to within 0.1 and leave you guessing. Me, If I don’t see 0.0001 or better, it will ruin my week ;-)

-- Router è ancora il mio nome.

View jm82435's profile

jm82435

1280 posts in 2409 days


#11 posted 03-07-2010 03:31 PM

I see; that is an interesting technique.Sounds like you sleep better now, knowing your fence is set perfectly :-)

-- A thing of beauty is a joy forever...

View Routerisstillmyname's profile

Routerisstillmyname

711 posts in 2176 days


#12 posted 03-07-2010 04:22 PM

Well, the point of all this alignment and accuracy obsession and jigs madness is simple.
If you try to make a simple frame, you have to have a perfect 45-degree angle. 0.1 or 0.01 or even 0.001 will not cut it. Unless you’re content to use wood putty.
So it all starts with the saw blade, which has to be perfectly aligned to miter track and at a perfect 90 degree with respect to the top. Then you have to have a miter gauge that is perfectly aligned to track. Only then you can get perfect cuts. And a jointer is the same story, if your jointed side is on an angle and you try gluing up the boards, you will have a nice cup so there’s no point having a jointer.
At the end of the day, statement as in “ this kind of accuracy is not necessary in woodworking” just doesn’t cut it.

-- Router è ancora il mio nome.

View Scott's profile

Scott

60 posts in 2528 days


#13 posted 03-07-2010 04:31 PM

I love this jig. I will be making one just like it.

-- Scott, Kentucky ----- "Let us so live that when we come to die even the undertaker will be sorry" Mark Twain

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