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Kerfmaker - Thanks for the idea

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Project by SimonSKL posted 1853 days ago 13418 views 158 times favorited 18 comments Add to Favorites Watch

I hope you are not tired of looking at another kerfmaker. There has been a few in the last few days. My version is exactly the same as Bobthebuilder’s as I thought his is the most simplified version with blade adjustability. My only change was to move the wingnut hole up as close to the arm as possible to allow me to cut wider dadoes, up to 2 1/2”.

My first dado was a hair loose. After I tightened the screw a little, the fit was perfect. This tool will definitely have a place in my tool drawer. I want to thank all those who posted this great device and ideas.

-- Simon, Danville, IL





18 comments so far

View Scott Bryan's profile

Scott Bryan

27251 posts in 2453 days


#1 posted 1853 days ago

Simon, this is another nice interpretation of the kerf maker. This looks like a nice addition to your shop. I may even have to get on the band wagon and do one of these as well. It sure beats simply running test pieces or calipers to determine the dado’s width.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View a1Jim's profile

a1Jim

112014 posts in 2208 days


#2 posted 1853 days ago

I agree with Scott , well done

-- http://artisticwoodstudio.com Custom furniture

View BeachedBones's profile

BeachedBones

201 posts in 2033 days


#3 posted 1852 days ago

This has got to be the largest shared/copied idea ever. So nice when a simple and useful project like this is posted. Thanks to everyone contributing!

P.S. I also made one.

-- You know.... I think that old wood needs to be furniture.

View ChuckM's profile

ChuckM

497 posts in 2298 days


#4 posted 1852 days ago

Got to make one after my vacation. Btw, would you please share with us the measurements of the pieces so we could make a duplicate of yours more quickly? Also what’s the size of the bolt / wing nut? Thanks.

-- The time I enjoy wasting is not time wasted

View bobthebuilder647's profile

bobthebuilder647

128 posts in 1884 days


#5 posted 1852 days ago

Great job.

I realized the placement of the bolt could be problem with mine today. I was trying to avoid that knot in my piece, but I think I will move the nut to the other side like yours. Lots of great minds working together, I love it!

-- Rick, Pa. Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen.

View SimonSKL's profile

SimonSKL

182 posts in 1871 days


#6 posted 1852 days ago

Chuck,
The bolt and wing nut are 1/4”. The bolt is 1 1/2” long. I also used a lock washer to keep the bolt from turning when I tighten the wing nut. Hope it helps

Here is a Sketchup drawing of my kerfmaker.
http://i667.photobucket.com/albums/vv38/SimonSKL/Kerfmaker.jpg
http://i667.photobucket.com/albums/vv38/SimonSKL/Kerfmaker1.jpg

-- Simon, Danville, IL

View hootr's profile

hootr

183 posts in 1978 days


#7 posted 1852 days ago

simon
thanks for the pics and sketchs

-- Ron, Missouri

View SPalm's profile

SPalm

4788 posts in 2513 days


#8 posted 1852 days ago

Sweet. Very nice.

When you go look at the original compared to this, the difference in simplicity is amazing. And yours even looks nice too. We all have to ban together and do the same treatment to some other shop jigs.

Steve

-- -- I'm no rocket surgeon

View ChuckM's profile

ChuckM

497 posts in 2298 days


#9 posted 1852 days ago

Great sketches. If anyone still wondered if it was a good idea to be a LJ, the thread on the Kerfmaker should remove any doubt once and for all. Where else could one come across so many generous ideas and woodworking buddies? My favorite saying again: “There are no hard times for good ideas.”

-- The time I enjoy wasting is not time wasted

View Dovetail's profile

Dovetail

27 posts in 1744 days


#10 posted 1737 days ago

I assume the screw at one end of the jig is an adjustable spacer for the saw blade thickness?

I added this to my favorites. I’ll make it when I have some free time. It looks to be a very useful device.

-- Dovetail

View SimonSKL's profile

SimonSKL

182 posts in 1871 days


#11 posted 1737 days ago

Dovetail, you are exactly correct. By adding an adjustable screw you can pretty much use the kerfmaker with any blade thickness.

-- Simon, Danville, IL

View Dusty56's profile

Dusty56

11644 posts in 2319 days


#12 posted 1734 days ago

How did I ever miss this one ?? LOL
Great job and simple enough to make with your excellent sketchup plans : ) Thank you !

-- I'm absolutely positive that I couldn't be more uncertain!

View Grumpy's profile

Grumpy

19392 posts in 2482 days


#13 posted 1731 days ago

Great jig Simon. Simple & practical.

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

View abie's profile

abie

593 posts in 2402 days


#14 posted 1707 days ago

Simple Simon.
Had to say that.
Made three so far and Your pictures helped explain the screw in the end.
Now to test them.
Bruce

-- Bruce. a mind is like a book it is only useful when open.

View Glen's profile

Glen

98 posts in 1708 days


#15 posted 1706 days ago

Nice and simple. I’m going to make one of these. Nice clear pictures showing it at work and sketch-up drawing. Thanks Simon.

-- Glen

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