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Thickness gauge for planer

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Project by Tooch posted 02-05-2017 07:16 PM 3299 views 8 times favorited 15 comments Add to Favorites Watch

Students in my shop class always have difficulty reading the scale on our Jet 15” thickness planer. In their defense, the delineations are not exactly the easiest to read, especially for those students who have trouble with fractions (picture 2).

So, using various dado blade setups, I made this inspection gauge for them to know when to stop raising the table. Another added feature for this is that I don’t have to worry about calibration being slightly off between the planer and dado blade setups. Now, when planing stock that will fit into a dado, I know EXACTLY how thick to plane each board.

I labeled the inside of each cut, and highlighted the 3/4” mark to easily identify each cut thickness. The board is made of 3/4 maple, which should hold up for some time. I chose not to put any finish on it to keep the dados nice and clean.

Thanks for looking, suggestions welcome & comments/questions replied to!

-- "Well, the world needs ditch-diggers too..." - Judge Smails





15 comments so far

View david38's profile

david38

3518 posts in 2156 days


#1 posted 02-05-2017 07:39 PM

great idea

View ralbuck's profile

ralbuck

3629 posts in 2079 days


#2 posted 02-05-2017 07:53 PM

Yes; a terrific idea that takes a lot of errors out of the process.

-- SAWDUST is THERAPY without a couch! just rjR

View  woodshaver Tony C   's profile

woodshaver Tony C

5481 posts in 3166 days


#3 posted 02-05-2017 08:21 PM

Great idea Tooch! My Ridgid planer has a gauge built in and I have a hard time trusting it. This is a sure fire way to get the job done right! Nice work!

-- St Augustine FL, Experience is the sum of our mistakes!

View Madmark2's profile

Madmark2

365 posts in 401 days


#4 posted 02-05-2017 08:26 PM

Even easier to read & more precise:

M

View kiefer's profile

kiefer

5563 posts in 2480 days


#5 posted 02-05-2017 08:33 PM

I take it that you use this gage to slowly sneak up with the planer to get the correct thickness of the board to fit the dado or did I miss something Tootch ?

Klaus

-- Kiefer https://www.youtube.com/user/woodkiefer1/videos

View doubleDD's profile

doubleDD

6741 posts in 1856 days


#6 posted 02-06-2017 01:07 AM

That is a good idea Tooch. Having that gauge with you while planing is very handy.

-- Dave, Downers Grove, Il. -------- When you run out of ideas, start building your dreams.

View Gene Howe's profile (online now)

Gene Howe

9669 posts in 3242 days


#7 posted 02-06-2017 01:23 AM

Like the idea of matching to a specific dado cut.
I use the Wixey but verify with open end wrenches.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View GR8HUNTER's profile

GR8HUNTER

2871 posts in 525 days


#8 posted 02-06-2017 01:51 AM

that is a very nice story stick ?? not sure if that’s what its called ? GREAT JOB :<))

-- Tony Reinholds,Pa. REMEMBER TO ALWAYS HAVE FUN

View majuvla's profile

majuvla

11034 posts in 2680 days


#9 posted 02-06-2017 06:10 AM

Never think of that concept. It’s very useful when you make often several dimensions – to avoid constant measurement – very clever.

-- Ivan, Croatia, Wooddicted

View bobasaurus's profile

bobasaurus

3340 posts in 2997 days


#10 posted 02-06-2017 05:57 PM

I also have no idea how to read that gauge… Looks like a useful jig.

-- Allen, Colorado (Instagram @bobasaurus_woodworking)

View TechTeacher04's profile

TechTeacher04

359 posts in 1345 days


#11 posted 02-06-2017 06:09 PM

Good idea, I also have used combination wrenches for the same purpose. Having them around the planer always makes me nervous, I see one of those in my future for student use.

View Gene Howe's profile (online now)

Gene Howe

9669 posts in 3242 days


#12 posted 02-06-2017 06:57 PM



Good idea, I also have used combination wrenches for the same purpose. Having them around the planer always makes me nervous, I see one of those in my future for student use.

- TechTeacher04


That is totally undestandable!
For my purposes, usually running all the same thickness, I keep that wrench secured to the metal stand with a magnet.
But, I only have to worry about my own carelessness.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View NormG's profile

NormG

5869 posts in 2817 days


#13 posted 02-10-2017 12:58 AM

That is a really great idea to assist the students, always better to find a solution that try to fix afterwards

-- Norman - I never never make a mistake, I just change the design.

View Roger's profile

Roger

20873 posts in 2617 days


#14 posted 02-18-2017 09:59 PM

Makes sense to me. Good one

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. Kentuk55@yahoo.com

View Maggie19e's profile

Maggie19e

5 posts in 247 days


#15 posted 03-19-2017 01:30 AM

good idea. thanks for posting.

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