Clever router finger joint jig

[transatlantic]

Not seen one like this before. I love how simple it is.

https://www.youtube.com/watch?v=XUzt9cYxG7U

 

[Steve Maskery]

I think I might have just been out-finger-jointed. That is excellent.

 

[ScaredyCat]

Interesting it looks simple to make.



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[JSW]

Not acceptable in my opinion, way too gappy.

 

[transatlantic]

Not acceptable in my opinion, way too gappy.

I noticed that too. I guess tolerances in the keys.

Sent from my SM-J510FN using Tapatalk

 

[Steve Maskery]

Actually, you are right, that is not a good fit. But I suspect it is just a poor execution of an excellent method. The principle looks excellent to me.
Of course, if it really is rubbish, that means mine is still the best. Hee-hee.

 

[ScaredyCat]

You could always buy a pre-made comb or, if you're feeling flush a set of 'spare' Leigh fingers..

I'm going to do some 3d print tests to see what the tolerances for repeated fingers is like.


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[transatlantic]

Maybe its pressing too hard against the wooden keys. Could also just be a poor router bit with an inaccurate bearing.

Another option is to make the keys from solid aluminium which I believe would be ok as you're only grazing it. Or maybe use a bushing.

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[memzey]

I made my table saw finger joint jig in about 30 minutes from scraps I had in my off cuts bin. It gives me joints with a fit to about .005” tolerance which need a mallet tap or two to seat and no clamps to hold. Only issue is it necessitates the use of a dado stack which many saws on this side of the pond don’t support:

 

[craigs]

helluva lot cheaper than the D4R though.

On a completely random tangent, whats the Thai flag for @Steve Maskery?

 

[transatlantic]

Only issue is it necessitates the use of a dado stack which many saws on this side of the pond don’t support:

... slight niggle

 

[Steve Maskery]

On a completely random tangent, whats the Thai flag for @Steve Maskery?

Er, TBH, I've forgotten. I went through a phase of flying the flag of any country where there had been an atrocity. Sadly, there are too many to keep up.
Are you sure it is Thai? That doesn't ring a bell. But right now I should change it to Sri Lankan.

 

[craigs]

Definitely Thai, coulda been the Tsunami? that was a rough day.

 

[sunnybob]

Am I the only person English enough to say thats a BOX joint, or at the very worst a COMB joint?

Finger joints are tapered, just like (most peoples) fingers.

Its an americanism that really rubs me wrong. (hammer) :shock:

 

[JSW]

Am I the only person English enough to say thats a BOX joint, or at the very worst a COMB joint?

Finger joints are tapered, just like (most peoples) fingers.

Its an americanism that really rubs me wrong. (hammer) :shock:

I agree, in principle. However the trouble starts when you try to explain how the two parts of the joint interlock, it's almost impossible not to use the term "fingers"

 

[ScaredyCat]

Finger joints are tapered, just like (most peoples) fingers.

I've got fat fingers, or I might be just big boned.


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[Steve Maskery]

Am I the only person English enough to say thats a BOX joint, or at the very worst a COMB joint?

Finger joints are tapered, just like (most peoples) fingers.

Its an americanism that really rubs me wrong. (hammer) :shock:

Finger joint, box joint, comb joint are all interchangeable terms and have been used for as long as machines capable of making them have been around.

Can you post a picture of one of your tapered finger joints, please? I don't quite understand what you are describing.

 

[Garno]

Finger joints are tapered, just like (most peoples) fingers.

I've got fat fingers, or I might be just big boned.


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My stomach is also big boned

 

[Steve Maskery]

Ah yes, Tsunami, quite possibly.

 

[JSW]

Am I the only person English enough to say thats a BOX joint, or at the very worst a COMB joint?

Finger joints are tapered, just like (most peoples) fingers.

Its an americanism that really rubs me wrong. (hammer) :shock:

Finger joint, box joint, comb joint are all interchangeable terms and have been used for as long as machines capable of making them have been around.

Can you post a picture of one of your tapered finger joints, please? I don't quite understand what you are describing.

On the other hand (no pun intended) can you post a picture of a box made with a finger joint cutter?

https://www.axminster.co.uk/axcaliber-f ... ter-666228