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Answering Shoptinker Incra miter question

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Blog entry by ocwoodworker posted 938 days ago 993 reads 1 time favorited 3 comments Add to Favorites Watch

A question was asked of me by Shoptinker on how I set up an Incra Miter gauge for the TS. I thought it might be an interesting topic so I thought I would post it here for others to weigh in on it.

Let me do the usual disclaimer and state that there are many many techniques that we woodworkers use to kink a store-bought jig to his/her personal train of thought. This is just my take.

Dan,
I originally bought this thing thinking that I would be putting miles of lumber though it in the first month. Sadly, it has collects about as much dust as my Shopfox Tenon Jig. I think that others would agree and will probably weigh in this point – That you shouldn’t buy a tool until you see the need for it (although a good Woodcraft sale is hard to pass up).
The Incra is an incredibly accurate tool. A little hard to set up at first, but after a little tweeking I had it up and running.
Your question was how practical was it to set the fence close to the blade if you plan re-adjusting it to making 45 degree cuts. The manual (I think) states to place it 1/8 from the blade. I think this is somehow to prevent tear out. It doesn’t work. I use an auxiliary sacrificial fence. You should always have a backing to your work as it moves through the cut. For this reason I actually back off the fence so it wont interfere at all regardless of the degree. And let the auxiliary fence make a new hole for the workpiece.

What you see here is my cuts made into my auxiliary fence with the Incra far enough away to not interfere.

What I use is actually a miter sled.

I cut all my work on this and for my tennons I use a sled made to cut with a dado. Store bought tennon jigs are only useful if you plan on cutting something other than 90 degree cuts.

Hope it helps

-- I'd like to believe Murphy's Law haunts my woodshop, because if it's Karma it would mean I had something to do with it. - K.R.



3 comments so far

View ocwoodworker's profile

ocwoodworker

203 posts in 1603 days


#1 posted 938 days ago

Forgot to mention….What you see in the first picture is my pulling in my auxillary fence to make a dado cut. I loosen the bolts on the board and slide it in and out to use a fresh piece of wood as I make new cuts.

-- I'd like to believe Murphy's Law haunts my woodshop, because if it's Karma it would mean I had something to do with it. - K.R.

View ShopTinker's profile

ShopTinker

872 posts in 1367 days


#2 posted 938 days ago

Your probably right about about knowing just what you’re going to do with it before you buy it. However, who can resist a new tool. It’s shiny, with knobs and numbers leading to infinite possibilities, I didn’t have one and it was on sale!

I’ve always used a miter gauge and the one that came with my new table saw just has to much play in it. I’ve used a sacrificial fence in the past with my old miter gauge, on my old table saw. I guess I thought this fancy miter gauge would do it all without additions. Thanks for the info!

-- Dan - Valparaiso, Indiana, "A smart man changes his mind, a fool never does."

View dustbunny's profile

dustbunny

1149 posts in 1893 days


#3 posted 937 days ago

I also use a sacrificial board on my Incra to prevent tear out.
I find for me the most useful job it does is repetitive cuts like for the weave and tight weave cutting boards.
It is precise ! The pieces glue up without any gaps.
And it is super easy to dial in an angle.
Every tool has a job it is best for….

Lisa

-- Imagination rules the world. ~ Napoleon Bonaparte ~ http://quiltedwood.com

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