LumberJocks

Leigh isolock joints out of a HF dovetail jig.

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Blog entry by jm82435 posted 03-21-2010 03:13 AM 4213 reads 4 times favorited 7 comments Add to Favorites Watch

It is spring cleaning time at my shop. So I was taking some pictures of stuff I do not use to list on CL for sale. I took a picture of an old dovetail jig I have never been too fond of, when I had an idea.

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. A while back I salvaged some plastic strips that had been used as packing material for something at work. It suddenly struck me that it was about the same size and type as the plastic on the jig. I have another custom made jig I use, but it is not handy to clamp it to the workpiece. So, what if I used the other jig with a pattern cutting bit to duplicate its profile in the plastic strip, then replace the stock template with it?

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. I do not know what kind of plastic it is but it seems to be perfect for this application. The router cut it like butter, yet it is pretty stiff and hard. Next thing you know it is mounted in the jig and I am digging around in the scrap barrel for something to test it out on.

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I learned I have to be more careful when removing the router from the jig that the bit has stopped. It cuts like butter remember? Oh well I have more plastic strips…

The fit was super tight anyway. I had to beat it together. If I make another one, I will be more careful that it is a better match to the original. I think the pattern bit I used had a bearing that was not exactly its cutting diameter.
I haven’t really decided if it is worthwhile. I usually use this type of joint on bigger projects than will fit in this jig anyway. Maybe I will just sell it. The truth is, as they say: “You cannot make a silk purse out of a sow’s ear”...
Oh well, enough distractions – back to cleaning out the shop…

-- A thing of beauty is a joy forever...



7 comments so far

View btle310's profile

btle310

14 posts in 2216 days


#1 posted 03-21-2010 03:49 AM

Very Cool I have one of these jigs in my shop still in the box.

View Karson's profile

Karson

34876 posts in 3056 days


#2 posted 03-21-2010 04:58 AM

A neet modification to a junk dovetail jig.

-- I've been blessed with a father who liked to tinker in wood, and a wife who lets me tinker in wood. Southern Delaware karson_morrison@bigfoot.com †

View bigike's profile

bigike

4031 posts in 1944 days


#3 posted 03-21-2010 05:10 AM

very nice work i have the same jig but not the isolock for my leigh plus access to all the acrylic or polycarb i want to make templates so i have to keep this in mind thanks for the post and idea!

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View bigike's profile

bigike

4031 posts in 1944 days


#4 posted 03-21-2010 05:12 AM

any other tools for sale please let me know planes, chisels, stuff like that?

-- Ike, Big Daddies Woodshop, http://www.icombadaniels@yahoo.com

View newplane's profile

newplane

159 posts in 2733 days


#5 posted 03-21-2010 06:58 PM

any chance of buying a set of these from you?

-- Dont just dream it, get up and live it!

View jm82435's profile

jm82435

1272 posts in 2398 days


#6 posted 03-22-2010 04:59 PM

Newplane: I wouldn’t count this as a success just yet. Like I said, I had to beat this one together. (even without glue) Looking at the plastic template it could be because I didn’t deburr it well enough for the collar to follow the profile correctly. The plastic strips were long enough that I made two sets in one length. PM me, if you want to play with it, I will send you one.

-- A thing of beauty is a joy forever...

View jm82435's profile

jm82435

1272 posts in 2398 days


#7 posted 03-23-2010 12:35 AM

Looking at it another way – one might be able to use these in a similar way also: http://www.mlcswoodworking.com/shopsite_sc/store/html/smarthtml/pages/fast_joint_system.html
@ $18 per template, it could be a cheap fun way to dress up a project.

-- A thing of beauty is a joy forever...

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