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View Dan's profile

Safer And More Efficient Finger Joint Sled For Small Hinges

by Dan
posted 08-17-2017 08:53 PM


4 replies so far

View Gilley23's profile

Gilley23

489 posts in 380 days


#1 posted 08-17-2017 09:33 PM

Make a video! Or at least show a step by step of how it works.

View Grumpymike's profile

Grumpymike

2238 posts in 2313 days


#2 posted 08-17-2017 11:01 PM

Hmmm, having a hard time wrapping my head around this one …

-- Grumpy old guy, and lookin' good Doin' it. ... Surprise Az.

View Dan's profile

Dan

689 posts in 1890 days


#3 posted 08-17-2017 11:54 PM

When my wife gets home I will have her video me using it. Then figure out how to post it.

But anyway, I’m pretty jazzed about it. The heels of your hands and your thumbs position behind the double MDF pieces. Your fingers grip the clamping piece and pull it back into the work piece holding it very snugly. It’s kind of a instinctive/natural motion for the hand and fingers to grip from that position. To me, the forces involved in this grip synchronize with pushing the sled forward and pulling it back.

The slots cut into the clamp/board fit over the rails of the sled and slide back and forth. The front piece of MDF/fence is adjustable to enable squaring everything up from top to bottom and left to right using shims if necessary.

Finger width is adjusted by moving the right side whiteboard. The three braces in back are for support and could also be shimmed for adjusting the fence. I was figuring it out as I built it, so the back could probably be done differently but wouldn’t need to be. The front part with the sliding hand grip clamp is the game changer. It really does work quite well.

-- Dan

View Dan's profile

Dan

689 posts in 1890 days


#4 posted 08-18-2017 03:07 PM

https://vimeo.com/230105056

these are 3/32” slots I’m cutting. One take so a little fidgety.

-- Dan

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