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+-- Thread: Spline or Miter Key Jig (/showthread.php?tid=7352658)
Spline or Miter Key Jig - GeeDub - 01-30-2020
This came up in a conversation elsewhere so I thought I would share. Any simple rig will get you through a box or two or three.
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I got talked into a box-swap a while back and had to make a batch. I took a break and made a jig that was a little more versatile, quick to use and included a replaceable insert for a ZCI effect on the exit side. I wanted an adjustable stop.
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Rabbet for the ZCI insert.
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I used a spline to join the beds so I wouldn't have to dodge any metal fasteners.
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The spline runs the length of the joint.
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The inserts are held with 2 screws. I put them high enough to stay out of the way. This dictated the inserts size to some extent. Whenever I make ZCI's, inserts and other disposable things, I make a bunch even if I am not sure I will need them right away. The setup for things like this is 90% of the effort so just make a batch while you're setup; you'll be much more inclined to use them.
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The clamp block is keyed to the slot and uses a cheap Harbor Freight version of a Destaco toggle/push clamp. This lets me un-clamp the box to flip to the next side and re-clamp with a flip of the lever.
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And that's about it.
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I sized mine based on the boxes I usually make. Include room for the clamp block in your design. I added about 4" to the width of the jig to accommodate the tallest box I thought I might make. Works great for picture frames too.
RE: Spline or Miter Key Jig - ®smpr_fi_mac® - 01-30-2020
I like it!
I built this one last year and find it really easy to use for DT splines on my router table.
https://youtu.be/FRemSi82cWs
RE: Spline or Miter Key Jig - Robin Dobbie - 01-30-2020
Man I love those replaceable ZCIs. I've seen a lot of spline jigs, but that's neat. I think that's something I'll incorporate in my next spline jig.
RE: Spline or Miter Key Jig - GeeDub - 01-30-2020
Thanks guys. Looking good Brad. Glad it gave you an idea Robin. I pick up so much stuff on the forums it is nice to be able to give back a little.
RE: Spline or Miter Key Jig - Ray Newman - 01-30-2020
RE: Zero Clearance Inserts. I learned the hard way about them.
First jig I fabricated did not have them. Jig worked well until I started to make the last cuts for the dovetail keys. Then Mr. Murphy struck, two of the dovetail slots splintered/chipped out....