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Adjustable Tablesaw Miter Jig

Project by ratchet posted 610 days ago 2244 views 44 times favorited 22 comments Add to Favorites Watch
Adjustable Tablesaw Miter Jig
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I was tired of picture frames and boxes having small gaps at the 45’s. Makes me crazy. So I decided it was time for a jig that has adjustable wings on both sides. I can now dial in 45’s with very tight joints. The new jig is safer than my old one as the blade gets buried in the center rail. The hold downs are adjustable in and out to accomodate varied stock width and height.

I may change out the SS 1/4×20 adjustment bolts for machine screws at some point and make a stop block and extensions for the wings to handle longer stock cuts. The entire carriage assembly dismounts for maintenance/upgrade.

Thought this might help somebody out there (as you all have helped me). Many thanks.


22 comments so far

View teenagewoodworker's profile

teenagewoodworker

2481 posts in 663 days


posted 610 days ago

thats cool. it looks like the one i saw someone online make on some website (not really sure which one). yours is much better though as you can dial in a perfect 45, have the hold downs, and its good that you took safety into consideration and buried the blade. great job!

View Scott Bryan's profile

Scott Bryan

20651 posts in 716 days


posted 610 days ago

Hi rachet,

I have been thinking about making one of these. I have favorited it so I can use it as a guide when I get around to construction. Very nice idea.

-- With God's help all things are possible- even woodworking. Woodworking is not just a hobby, it is an (expletive deleted) expensive hobby.

View tenontim's profile

tenontim

1319 posts in 639 days


posted 610 days ago

Good idea, Ratchet. The gaps happen to me all the time. What causes that, anyway? Maybe it’s time for a new eyeglass prescription. Sometimes I think I do better with my glasses off. I’ll put this one in my favorites.

-- Tim -- http://tmuli.com

View jcees's profile

jcees

552 posts in 693 days


posted 610 days ago

Nice job. I built one awhile back that’s similar but didn’t have the “tweakability” of yours. However, I did create interchangeable backer boards for the different spring angles on certain moldings I was using at the time. That worked well and will be a feature on the next one I build. I say that because I loaned mine to a bud and he hasn’t returned it. He knows I’ll make a new and better one when I get around to it. He gets most of my prototypes anyway.

I’m going to have to consider your setup, looks like it works like a charm.

Always,
J.C.

-- "Imagination is more important than knowledge" -- Albert Einstein

View Grant Davis's profile

Grant Davis

481 posts in 803 days


posted 610 days ago

This is on the list of to do’s

-- Grant...."GO BUCKEYES"

View poopiekat's profile

poopiekat

254 posts in 629 days


posted 610 days ago

I like your idea of adjustable stops! Makes it dead-on accurate!

-- If Stradivarius was alive today, he'd be using Gorilla Glue.

View Tom Adamski's profile

Tom Adamski

309 posts in 665 days


posted 610 days ago

Ratchet,
Very cool… That 45 degree angle is elusive. Looks like you have the tool to chase it down and nail it.

Tom

-- Anybody can become a woodworker, but only a Craftsman can hide his mistakes.

View juniorjock's profile

juniorjock

790 posts in 660 days


posted 610 days ago

Great jig Ratchet…..... and this would be a good jig to start that “tips and jigs” tab on the LJ home page we talked about a while back. I’ve got a woodworking buddy that’s on me all the time about building too many jigs….. but I have to listen to him, he gives me lots of good lumber. The last time I went to his house he gave me some cherry and said “son, try to build something besides a jig”........ he’s pretty straight forward like that.

-- JJ...... I guess you could say I'm a 54 year old "juniorjock". — Make things with wood.

View Thos. Angle's profile

Thos. Angle

4013 posts in 857 days


posted 610 days ago

I like this adjustable rig better than the slider I have. I have to adjust mine with playing cards. I works but I think this one is better.

-- Thos. Angle

View GaryK's profile

GaryK

9521 posts in 883 days


posted 610 days ago

Nothing like a good jig!

-- Gary, East TX -- The longest journey begins with a single step.

View Hawgnutz's profile

Hawgnutz

522 posts in 971 days


posted 610 days ago

looks like a great jig to get those elusive 45 degree joints just right! Gonna have ito make one for myself for those picture frames. (One nice thing about working with almost hundred year old barnwood is that perfect miters sre not relly neccessary like on frame and panel construction.

I am designing one in my head and hopefully will get to it this summer.

God Bless,
Hawg

-- Saving barnwood from the scrapyards

View Joel Tille's profile

Joel Tille

214 posts in 1139 days


posted 610 days ago

Rachet – Thanks for posting. I have one very similar to this one. except I loosen screws through the top to adjust. I will have to modify it to use the adjusting screws, this would reduce the time it takes to sneek up on that perfect 45.

-- Joel Tille

View Bradford's profile

Bradford

787 posts in 717 days


posted 610 days ago

Great jig!

-- so much wood, so little time. Bradford.

View Kevin's profile

Kevin

294 posts in 852 days


posted 610 days ago

great idea

-- Kevin, Wichita, Kansas

View Yettiman's profile

Yettiman

153 posts in 632 days


posted 610 days ago

Many thanks for sharing.

I think your ajustments will also solve my crosscut sledge problem. I can make one of 89.x degrees or 90.x but never 90.

This way I can tweak it, and once right, super glue the nut, with locktight (can be removed if needed to reweek later).

Love the safety centre rail.

-- Keep your tools sharp, your mind sharper and the coffee hot

View Blake's profile

Blake

2756 posts in 769 days


posted 610 days ago

I love how this is adjustable. Excellent idea.

-- Check out my new website! http://www.blakeweberwoodworking.com

View ratchet's profile

ratchet

301 posts in 681 days


posted 610 days ago

Thanks all. Now its time to actually post some projects…well soon anyway.

Yettiman; Loctiting the nut once its dialed in to 45.001 is a great idea. I think I’ll do that. Appreciate the tip.

View Grumpy's profile

Grumpy

14920 posts in 745 days


posted 609 days ago

Great bit of innovation Ratchet.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View Waldschrat's profile

Waldschrat

340 posts in 330 days


posted 313 days ago

Ratchet, that is one of greatest ideas i have seen in a while! I like do you mind if I borrow the idea? I think its a great idea because if your saw guides are not accurate, its hard to get 45 to match up correctly and with this jig I can see it is adjustable to make up for the difference! Genius!

-- Nicholas, Journeyman Cabinetmaker, Partenkirchen, Germany

View ratchet's profile

ratchet

301 posts in 681 days


posted 313 days ago

Yes; feel free to copy if it helps!

View POPSHOP's profile

POPSHOP

127 posts in 146 days


posted 142 days ago

Well done !!!!!

-- POPSHOP ,

View degoose's profile

degoose

1996 posts in 249 days


posted 111 days ago

The best Idea I see is the adjustable holddowns… just great..
:Larry

-- Drink once, cut twice. New website up.... lazylarrywoodworks.com.au

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