Hollowing Woodturning Jig

Wow! That is awesome! Having metal working capabilities sure comes in handy!!

I recently converted a “Pet Laser” to use a 5v USB power supply for checking wall thicknesses. That really save buying batteries.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

Very cool Bob! I like these rigs a lot and this is one of the better designs I’ve seen :-)

For attaching the Yoke to the quill, if I understand what you’re asking, can’t you just buy a MT to threaded arbor adapter and drill/tap the mating threads in the yoke?

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA

Nice , Jig, Bob!

Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

HokieKen, Great idea, much easier to buy one at this low cost. Thanks.

-- Bob A in NJ

HokieKen, Great idea, much easier to buy one at this low cost. Thanks.

- Bob A in NJ

I didn’t watch your video yesterday Bob. But after seeing it, I realize you used a drawbar to prevent release. The adapter I linked does not have a thread in the back for a drawbar. Just wanted to point that out when I noticed.

That being said, my gut feeling is that the drawbar is probably not necessary. There are obviously lateral forces at play but I would be surprised if they’re sufficient to release the taper fit. Then again, I have been wrong once or twice before….

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA

Very Cool! I’ve been thinking about something like that myself. Instead of using the tail stock and MT, did you consider just making a stand that mounts on the ways? (Maybe that is what the 4×4 in your pictures is?) I don’t have the tools to make that pivot. I was thinking that maybe I could find an old u-joint and adapt half of it to act as a pivot?

Kenny, You really need one of these for that new lathe you’ve been refurbing.

-- Nathan, TX -- Hire the lazy man. He may not do as much work but that's because he will find a better way.

One of these has been on the list since my first beer mug Nathan ;-) Of course that was 2 years ago and I haven’t even started thinking about making one. I do like the simplicity and robustness of this design enough though that it may not be a lot longer before I get started on putting one together.

-- I collect hobbies. There is no sense in limiting yourself (Don W) - - - - - - - - Kenny in SW VA

Just a thought. A pen turning mandrel has a Morse taper on it. Could you cut that off and connect it to your yoke?

-- Still trying to master kindling making

Thanks for the ideas guys. I think I’ll just drill and tap a hole in the back of the yoke, then Loc-tite a 1/2 bolt x 3” into it, then cut the head off.

Then use a #2 morse taper collet with threads in it to use the draw bar concept.

Insert the bolt into the collet and I’ll be done.

Lazyman, I did think about building a separate stand but want to cut down on the number of parts and the time to fabricate them.

-- Bob A in NJ

Great construction on a great jig. Thanks for sharing.

-- It's GOOD to be King-Mel Brooks