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First real Mortise Job

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Blog entry by Obi posted 02-23-2007 04:54 AM 1455 reads 0 times favorited 30 comments Add to Favorites Watch

Today I had the opportunity to use this new Mortising Jig on a Mission Style Table (pictures coming soon) where I did 24 mortises with the jig. Beats the hammer and chisel method, but i still want a mortising machine. I cut all the tenons with my table saw using this sled Since the picture was taken the sled has been modified with t-track, the narrow end fell off, and the groove in the “handle” had been widened to 3/4” from all the tenoning.



30 comments so far

View Karson's profile

Karson

35035 posts in 3866 days


#1 posted 02-23-2007 05:08 AM

Obi:

I got this for my birthday last year. It does great Mortises and also tenons. However I usually use loose tenons. I modified my sliding table to allow for other than 90 deg tenons. I used it on the Baby Cradle/ Glider where I needed 8 deg or 82 deg for the style and rails

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware soon moving to Virginia karsonwm@gmail.com †

View dennis mitchell's profile

dennis mitchell

3994 posts in 3780 days


#2 posted 02-23-2007 05:35 AM

Gettin pretty fancy on us arn’t ya!

View Obi's profile

Obi

2213 posts in 3703 days


#3 posted 02-23-2007 05:41 AM

I’m just a po’ boy, making sticks. Can’t affode no fancy machine’ ry. Yet. Delta makes the Mortising Machine I want. And I’m satisfied making tenon’s the old fashioned way… on my table saw.

Oh, with a dado blade.

I just realized that I’ve made 10 tables in the last 4 or 5 months

View RusticBru's profile

RusticBru

89 posts in 3577 days


#4 posted 02-23-2007 12:03 PM

Ah yes the mortiser! It is quite a time-saving tool, with precision to boot. A rather new company, Steel City Toolworks makes a fine one. These guys are woodworkers, designing and building tools for woodworkers. Check them out at www.steelcitytoolworks.com

-- RusticBru of Utah, bpsheelydesigns.com

View Ethan Sincox's profile

Ethan Sincox

766 posts in 3640 days


#5 posted 02-23-2007 04:56 PM

Obi,
I like the simplicity of that mortising jig you’re using. I’m definitely going to give it a try. Thanks for the info!

Maybe some day you’ll have a birthday and get a present as fine as Karson! Or a present as fine as the one Karson received?

I suppose Karson would make a fine present, as long as he brought his Mortising Jig with him…

-- Ethan, http://thekiltedwoodworker.com

View Bill's profile

Bill

2579 posts in 3627 days


#6 posted 02-23-2007 06:07 PM

Obi, that is great to hear someone has made that jig and used it. It sounds like it works well.

I see that Rockler has the Jet Mortising drill for about $275. Sell another table and you could get it.

-- Bill, Turlock California, http://www.brookswoodworks.com

View Obi's profile

Obi

2213 posts in 3703 days


#7 posted 02-24-2007 03:52 AM

I read an article where 5 or 6 morise machines were tested by Plans now and they ranked the Delta as the Editors Choice with the Jet coming in second. I can get the Delta for $250.00 from Amazon.com And get a 6% commission.

View Bill's profile

Bill

2579 posts in 3627 days


#8 posted 02-25-2007 07:07 PM

Sounds like time to place that order….

-- Bill, Turlock California, http://www.brookswoodworks.com

View David's profile

David

1970 posts in 3604 days


#9 posted 02-25-2007 07:36 PM

Obi – looking forward to pictures! Thanks for the link and pland for the jig.

-- http://foldingrule.blogspot.com

View Karson's profile

Karson

35035 posts in 3866 days


#10 posted 02-27-2007 05:41 AM

Obi:

Take a look at the YC-10BM Yorkcraft at Wilkemachinery.com their table moves left to right so you don’t have to loosen the wood the go down the mortise. It was reviewed in American Woodworker 2006 in a Mortising Machine review. It was the only one with an X /Y table.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware soon moving to Virginia karsonwm@gmail.com †

View oscorner's profile

oscorner

4564 posts in 3776 days


#11 posted 02-27-2007 12:11 PM

Obi, thanks for the article. Very informative!

-- Jesus is Lord!

View Don's profile

Don

2603 posts in 3643 days


#12 posted 02-28-2007 10:27 PM

When you guys start showing these great machines, I turn green with envy. We can’t use them here because of the power. Ours is 220+.

-- CanuckDon "I just love small wooden boxes!" http://www.dpb-photos.com/

View Obi's profile

Obi

2213 posts in 3703 days


#13 posted 03-01-2007 12:30 AM

Don, I’ve decided to use another item instead. It’s a mortiser that attaches to your Drill Press, made by Delta. Check it out here

View Don's profile

Don

2603 posts in 3643 days


#14 posted 03-01-2007 01:36 AM

Obi, I am familiar with this kind of mortising machine. I have a few friends that have purchased them an are very unhappy with their performance.

As a matter of fact, even the entry level dedicated machines don’t perform very well. Another friend purchased one of these and was very unhappy with it – just didn’t have the grunt to get through the wood.

I’ve often been told that unless you get into this level, use your router.

And remember, the machine is just the beginning, you will need to purchase chisels for each size mortise, and keep the chisels very sharp.

-- CanuckDon "I just love small wooden boxes!" http://www.dpb-photos.com/

View Karson's profile

Karson

35035 posts in 3866 days


#15 posted 03-01-2007 02:39 AM

Obi:
Don:

Sorry to burst Don’s bubble but the problem is not with the Mortise machine but with the way it is being used. The current Woodworking-magazine has a review of Mortise Chisels from the $9.00 ones to the $88.00 english tool. Their reviews (no advertising in their magazine) states that the sharpening of the hollow chisel and the clearance (gap) between the chisel and the auger is the real problem.

AmericanWoodworker #125 November 2006 has reviews of Mortise Machines. All of them being the desktop ones.

My Sear’s hollow chisels state on the package to put a 1/16” gap between the augar and the chisel. Can you imagine trying to shove all of the wood chips in that small gap. I can because I’ve about burned up and turned black some chisels with the heat, and almost had to tie a 100lb bag of sand on the handle to be able to pull it down.

Set the gap bigger than anyone says and it cuts a lot easier. Their review says if you sharpen the auger it makes no difference on the ease of the handle pull, but 15 minutes sharpening the chisel made a big difference.

I bought and they referred to in the article the one by Rockler I had already made my own adjustments to my drilling and the sharpening before I bought this magazine. But, it’s nice to know that I’ve already made the changes that they recommend.

The set the gap between the chisel and the auger one magazine says to put a nickle between the shoulder of the chisel and the mortise machine and then tighten the drill auger holding it up close to the chisel then remove the nickle and move the chisel up to its final place. The resulting gap is a starting place. You might want it a little bigger, almost an 1/8” or more.

The smoke that I used to get when drilling is now gone and it’s easier to pull the handle. Mark and I talked about a week ago about mortise drilling and he said that he had to wait 15 minutes between mortise’s to let the chisel cool down. He was going to try the changes that I’ve done, but, I’ve not talked to him lately to see if has tried it yet.

If you haven’t bought the drill press version give me a call, because I’ve got one you can have. I bought the dedicated machine because the drill one didn’t work. (Now I know it was the setup not the tool)

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware soon moving to Virginia karsonwm@gmail.com †

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