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Works in Progress #5: Humidor Test Build - Day Four - Some Japanese Joinery Technique

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Blog entry by Jerry posted 01-25-2014 01:48 AM 1887 reads 2 times favorited 7 comments Add to Favorites Watch
« Part 4: Humidor Test Build - Day Three Part 5 of Works in Progress series Part 6: Humidor Test Build - Finished »

Well, I decided that even though it was too expensive to use real Spanish cedar for a test project, that I should go ahead and make a liner anyway like I would do if this was going to be a real humidor.

I found a really cool solution for parting the lid from the box. I was not to happy with all the techniques I’d seen using a table saw, because I knew I would lose 1/8” to the saw kerf. Instead, I bought this nifty little 6 Piece Rotary Saw Blade Kit at Harbor Freight:

http://www.harborfreight.com/6-piece-hss-saw-blade-with-mandrel-set-67224.html

Then I mounted the biggest blade on my drill press, set the height for the part line, and set the fence to a distance that would part the lid to within 1/32” but not cut all the way through.

I then wrapped the box with masking tape at the cut line to prevent tear out.

After the lid was cut all the way around, I finished parting it with a Dozuki and planed the remaining ridge with a block plane.

To make the liner, I split some 1/2” hemlock, same wood as the box on the table saw, then planed it down with my Stanley No. 8 jointer plane to 3/16”

To do the miter joints for the liner, I made a Japanese joinery style jig from a Douglas Fir 2×4, being extremely careful to make it accurate.

I then tested the jig. These are my very first hand cut miter joints, and I’m pretty happy with them, although there is always room for improvement.

“You can see the video of my first test miter joint here:

and here is the final result on the liner. This is not currently glued up, it’s just placed in there.

-- I have always wished that my computer would be as easy to use as my telephone. My wish has come true. I no longer know how to use my telephone.



7 comments so far

View Scott R. Turner's profile

Scott R. Turner

260 posts in 1884 days


#1 posted 01-25-2014 03:48 AM

Interesting way to make the miter joints. I’ve never seen a jig like that.

View djwong's profile

djwong

137 posts in 1915 days


#2 posted 01-25-2014 10:00 AM

You might get an improvement in the miter if you hand saw, or chisel away, most of the miter waste, and use your jig to make the final trim cuts. Less chance of crushing the end grain fibers, or the chisel wandering. The box looks great.

-- David W. Cupertino, CA

View Woodmaster1's profile

Woodmaster1

503 posts in 1282 days


#3 posted 01-25-2014 12:17 PM

Looks like a great way to get a better miter joint.

View Farrout's profile

Farrout

159 posts in 1849 days


#4 posted 01-25-2014 01:19 PM

I’m on my way to Harbor Freight to get a set of those blades.

-- If we learn from our mistakes, I should be a genius!

View Jerry's profile

Jerry

592 posts in 343 days


#5 posted 01-25-2014 05:21 PM

djwong, RE: ”You might get an improvement in the miter if you hand saw, or chisel away, most of the miter waste, and use your jig to make the final trim cuts. Less chance of crushing the end grain fibers, or the chisel wandering. The box looks great.”

I agree with you 100% when it comes to larger stock. If this were 1/2” or better I would no doubt have done that. In this particular case, the liner pieces are 3/16” hemlock, very thin, soft wood. My chisels are razor sharp, and the work is clamped, so in this case I didn’t feel the need to remove extra waste since the waste removed was little more than crumbs in the first place, but I do appreciate the comment very much. Great score on the A3 Hammer, by the way.

-- I have always wished that my computer would be as easy to use as my telephone. My wish has come true. I no longer know how to use my telephone.

View Jerry's profile

Jerry

592 posts in 343 days


#6 posted 01-25-2014 05:25 PM

Thanks for the comments guys, I must admit, I stole the idea from a Japanese joinery video.

-- I have always wished that my computer would be as easy to use as my telephone. My wish has come true. I no longer know how to use my telephone.

View Aburris1111's profile

Aburris1111

18 posts in 267 days


#7 posted 02-08-2014 05:33 AM

Clever

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