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Project by Blackie_ posted 02-05-2013 12:50 PM 3342 views 7 times favorited 15 comments Add to Favorites Watch
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-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at http://www.facebook.com/randy.blackstock.custom.wood.designs





15 comments so far

View GeneR's profile

GeneR

147 posts in 937 days


#1 posted 02-05-2013 01:23 PM

Great idea to use the fence to support the jig, but did you have any problems spline placement or the saw blade tearing up the bottom of the jig from moving the whole jig for different spline locations?

I made one about 2 years ago and being that it was the first jig I had ever made, i utilized the miter slots to holdd it then made a locking movable side wall to brace my project and adjust the spline location. I felt that this design would keep the blade in the same location which made aligning the spline location fairly easy.

-- Failure is always an option. :-)

View Blackie_'s profile

Blackie_

4270 posts in 1511 days


#2 posted 02-05-2013 01:32 PM

Thanks GeneR

If I understand your setup you have your jig so that you move the box and not the jig since it rides in the miter slots, so as to use the same slot in all positions? That makes better since and to answer your question I fear that over time this jig will have to be replaced depending on how many different places it’s aligned to, also on mine I failed to mention that I have to take into account the 3/4” added difference from the fence to the blade due to the back plate.

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at http://www.facebook.com/randy.blackstock.custom.wood.designs

View GeneR's profile

GeneR

147 posts in 937 days


#3 posted 02-05-2013 01:38 PM

Correct, my box will move in the jig that way I can mark the spline locations on the box and align the mark with the blade location. It seems to work very well.

-- Failure is always an option. :-)

View Ken90712's profile

Ken90712

15759 posts in 2188 days


#4 posted 02-05-2013 03:11 PM

Nice work I use mine alot. I plan on making another one for my router table to do Dove Tails on the boxes.

-- Ken, "Everyday above ground is a good day!"

View GeneR's profile

GeneR

147 posts in 937 days


#5 posted 02-05-2013 03:27 PM

Ken, let us know how the router table one works out and post some pictures as I was thinking of doing the same since my hand cut dovetails come out looking like a blind monkey chopped a watermelon with a dull axe.

Dovetauls are my nemesis. Grrrrrr.

-- Failure is always an option. :-)

View a1Jim's profile

a1Jim

113604 posts in 2576 days


#6 posted 02-05-2013 03:42 PM

A very useful jig.

-- http://artisticwoodstudio.com Custom furniture

View Jamie Speirs's profile

Jamie Speirs

4166 posts in 1855 days


#7 posted 02-05-2013 03:50 PM

Randy my work is definitely rarely square so I clamp my to the sled
within the cradle I also use the miter track. The joint can be a fair bit
above the corner, I will glue on a piece of scrap to stop break out.
I hope this makes a wee bit of sense?

Jamie

-- Who is the happiest of men? He who values the merits of others, and in their pleasure takes joy, even as though 'twere his own. --Johann Wolfgang von Goethe

View Blackie_'s profile

Blackie_

4270 posts in 1511 days


#8 posted 02-05-2013 04:24 PM

Jamie when you say break out are you also referring to tear out? As in splintering the wood when the blade exits?

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at http://www.facebook.com/randy.blackstock.custom.wood.designs

View HillbillyShooter's profile

HillbillyShooter

5416 posts in 1291 days


#9 posted 02-05-2013 05:05 PM

I’m sure it will be a very useful jig for your work—best wishes.

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View DocSavage45's profile

DocSavage45

6483 posts in 1841 days


#10 posted 02-05-2013 05:12 PM

Nice step forward. Interested in seeing your save.

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Jamie Speirs's profile

Jamie Speirs

4166 posts in 1855 days


#11 posted 02-05-2013 05:17 PM

Randy Yes,

-- Who is the happiest of men? He who values the merits of others, and in their pleasure takes joy, even as though 'twere his own. --Johann Wolfgang von Goethe

View gfadvm's profile

gfadvm

13545 posts in 1689 days


#12 posted 02-06-2013 02:00 AM

Randy- I posted my spline jig (also a fence rider) some time ago and I think it would solve your problem. Mine has an open bottom and has a ‘window’ in the non-fence end so I can see/set the blade height. Tearout was a concern that I have addressed several ways: tape the spline areas (what I usually do) ,tape a 1/8” backer board to the back side of the jig cradle, and use really sharp sawblades (Freud box cutter set). I have also used mine on the router table with straight spiral cut bits (but you have to hold it firmly against the router fence or it will wander away from it).

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View Jim Jakosh's profile

Jim Jakosh

13770 posts in 2104 days


#13 posted 02-06-2013 04:36 AM

Nice one, Randy!!.............Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View Boxguy's profile

Boxguy

1797 posts in 1266 days


#14 posted 02-06-2013 06:09 AM

Randy, here is my tutorial on making and using a spline cutting jig.

I am afraid your design is limited by the boards at the end of the V trough and that the slide will have too much play in it.

Some hints. Put a box in the jig and spread the v trough until the corner bottoms out on the sliding board at the bottom of the jig. Since your box touches the sliding board, you can take direct measurements to determine the blade height.

Hold one or more of those brass set up bars at a 45 degree angle on the corner of your box to estimate how deep a cut you will need to make. You then use the same bar to set the height of your dado blade. Since the box touches the bottom board when in the V trough, you can just put the bar on the bottom board and set the dado height directly.

I position the box for where I want my splines with a pencil line drawn on a tape. If the ends of your trough are open you can easily slide the box side to side. I use the fence pressing on the side of the bottom sliding board to take all the play out of the slide action. It works very well for me.

Looking at the link will help make this clearer.

-- Big Al in IN

View Blackie_'s profile

Blackie_

4270 posts in 1511 days


#15 posted 02-06-2013 12:37 PM

Thanks Big Al and Andy, I like each miter spline jig from both of you, thanks so much for posting, I’m going to file this jig away and start over.

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at http://www.facebook.com/randy.blackstock.custom.wood.designs

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