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Hollowing Tool

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Project by Jim Jakosh posted 724 days ago 1723 views 0 times favorited 17 comments Add to Favorites Watch

I finally got around to finishing this tool. I have done a little hollowing but always had to use the boring bar. I did not get the “feel” I needed to do the final cuts with that long of a tool, so I made this one patterned after the Sorby and others sold in the woodworking catalogs. It is not chrome plated but it is real close in shape and has a flat bottom bar.

The bar is a bent piece of 3/4 square hot rolled steel with the handle end turned to 5/8”. I milled the end back flat to hold different cutters and it has 10-32 thread through the end. I still have to make a few more cutters.
The handle is mahogany with 3 coats of high gloss lacquer.
....................Jim

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





17 comments so far

View peteg's profile

peteg

2816 posts in 1421 days


#1 posted 724 days ago

Looks like it’s all set to get the business done Jim, great idea you can buy / make whatever tips you want:)
PETE

-- Pete G: If you always do what you always did you'll always get what you always got

View Roger's profile

Roger

14098 posts in 1402 days


#2 posted 724 days ago

Oh I know that’ll be turnin out some hollowed art of yers

-- Roger from KY. Work/Play/Travel Safe. Kentuk55@bellsouth.net

View Bob Collins's profile

Bob Collins

1507 posts in 2281 days


#3 posted 724 days ago

Looks great Jim, look forward to seeing your hollowing projects.

-- Bob C, Australia. I love sharing as long as it is not my tools

View grfrazee's profile

grfrazee

322 posts in 737 days


#4 posted 724 days ago

Nice. I’ve been meaning to make one of these, but haven’t turned a bowl in a while so the impetus wasn’t there. What do you use for cutters?

Also, am I right that you just heated and bent a piece of 3/4” round stock for the neck? When I make mine, I won’t be able to mill the tang down since I don’t have a metal lathe, but the rest I can accomplish with a torch, hammer, anvil, and grinder, I should think.

-- -=Pride is not a sin=-

View Jim Jakosh's profile

Jim Jakosh

11058 posts in 1703 days


#5 posted 724 days ago

Yes Grfrazee, I heated it with a torch and then kept putting on this template I drew on a piece of aluminum until I got the bend right. You just have to keep moving the cherry red spot so it will yield. I put a pipe on one end for more torque to bend it..
Without turning down the handle end first, you would have to put it in about a 7/8” hole in the handle. I also milled the bottom flat before I bent it so it had a nice flat surface to anchor on the tool rest. I tried it with a round boring tool but it rolled too much.

I make the cutters out of A-2 tool steel. I mill and grind them to shape, drill a hole in then then harden them with the acetylene torch.

You really don’t need this for a bowl. It is needed for a hollow vessel to cut and clean up the inside surface.

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

View kiefer's profile

kiefer

2945 posts in 1265 days


#6 posted 724 days ago

Jim
That is beautiful looking tool you crafted and a sign of a true crafts man to make his own tools .
Well done and I am looking for ward to the report on it’s performance in use .
BTW does it whistle ? LOL

-- Kiefer 松

View rance's profile

rance

4125 posts in 1758 days


#7 posted 724 days ago

It looks professionally done Jim. You did good. I like making my own tools too. I hope to do one like this. It looks useful for future projects.

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View cranesgonewild's profile

cranesgonewild

344 posts in 1506 days


#8 posted 723 days ago

Well done.
These tools can be very expensive to buy.
I never even thought of making my own.
You even make your own cutters as well. Brilliant!
I might give this one a try.
Thanks for sharing.

-- I'm a Fungi --

View Jim Jakosh's profile

Jim Jakosh

11058 posts in 1703 days


#9 posted 723 days ago

Thanks, guys.

  • Kiefer, I will report on how it works. I am looking into different shape tips to see what I really want to use. I had this crazy idea of making one like the shape of the front of a bedan for hogging. I primarily use the bedan for going deep to start to hollow anything. It really removes wood!!!!! It would be nice to have one at the end of this tool if it will work!! I could go sideways with it!!..............Jim

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

View grfrazee's profile

grfrazee

322 posts in 737 days


#10 posted 723 days ago

Now you’ll just have to make a Hollow Roller for those tricky forms.

-- -=Pride is not a sin=-

View Jim Jakosh's profile

Jim Jakosh

11058 posts in 1703 days


#11 posted 723 days ago

Hi grfrazee, I built the Jamieson boring bar with a laser that is a whole lot easier to set up and run. I don’t know how that Carter roller system counters the torque when you are cutting way off center. The Jamieson system has a loop on the back the runs between two bars ( that are not rollers) and counters all the torque so you don’t feel any of it. I’d add a picture but I can’t get anything loaded on photobucket any more.
Carter stuff is pricey!...................Jim

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

View HillbillyShooter's profile

HillbillyShooter

4348 posts in 890 days


#12 posted 723 days ago

Cool being able to make your own tools.

-- John C. -- "Firearms are second only to the Constitution in importance; they are the peoples' liberty's teeth." George Washington

View Grumpy's profile

Grumpy

19313 posts in 2449 days


#13 posted 723 days ago

Clever work Jim.

-- Grumpy - "Always look on the bright side of life"- Monty Python

View Rustic's profile

Rustic

3126 posts in 2194 days


#14 posted 723 days ago

very cool

-- www.carvingandturningsbyrick.com, Rick Kruse, Grand Rapids, MI

View harry1's profile

harry1

512 posts in 883 days


#15 posted 722 days ago

A most professional job Jim, especially the bending. About three years ago I bought this hollowing tool made by a local turner who makes them in three sizes, this one being the middle one. As you can see, I’ve bent it to make it more suitable for bowls. As good as it is, it doesn’t compare to the VERMEC set shown, which improved my turning no end.

-- Harry, Western Australia

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