Articulated hollowing tools

Re: Articulated hollowing tools

Jorge Castaneda

Dave,

3/4" is not quite big enough go to a full 1" or 1 1/8" and you will be able to hollow a lot deeper.

Re: Articulated hollowing tools

Doug Ladendorf

Dave,

I'm curious how using the MT2 works for you. First time I saw the Elbow tool I wondered why it didn't use the MT.

Doug

Re: Articulated hollowing tools

Dave Paine

I am making this for another member of my turning club. His present hollowing tools are 3/4in.

I am going to his place on Thursday to give the prototype its first test. If this design works out I can make 1in dia hollowing tool.

Re: Articulated hollowing tools

Dave Paine

I will provide an update after the jig is tried out at my friends place on Thursday.

The MT2 taper does make the base feel to be a strong mount. My friend has a Powermatic 3520B so can use a drawbar to keep the MT2 taper in place.

The prototype has a 1in x 8 tpi thread on the end of the MT2, so can unscrew. For the moment I will be securing the base to the quill with a U bolt. A later version will have the mT2 taper epoxied into the base.

The Elbo and Hollowfast designs are the only two I have seen using the tailstock. As you mentioned the Elbo mounts to the quill. The Hollowfast has MT taper but uses a chain to secure to the tailstock.

I think both of these designs are intended to work for lathes like the OneWay which do not have drawbar capability due to the auto-eject design.

My Oneway 2436 has a through hole

Dick Coers

My 2436 has a thorough hole in the tailstock shaft. Putting a draw bar through it would not be a problem. I thought most all modern lathes had auto eject on the tailstock.

Re: My Oneway 2436 has a through hole

Dave Paine

Good to know. I was at a different turning club members shop over the weekend. He has a OneWay 24xxlathe. I mentioned the articulated tool I was working on. He led me to believe his lathe did not have a through hole. I did not look close to confirm.

My NOVA DVR XP lathe happens to be one design which does not auto-eject. I expect one of many cost savings in the design and manufacture.

Re: My Oneway 2436 has a through hole

john lucas

I've run into several lathes over the years that don't have hollow tailstocks. Not many but a few.

Re: Articulated hollowing tools

Bill Blasic

Peter you should also state that some of us who have that system have had no problems what so ever. I have used my Monster system since 2009 on three different lathes. The only different thing I had them do was to make me a longer laser support arm for hollowing deeper than 12".

Re: Articulated hollowing tools

eliot feldman

Mostly , I use a modified version of the Elbow Tool. The modification consists of purchasing a second banjo and making fairly obvious and easy-to-do modifications to the Elbow so that instead of inserting it into the tail stock, you insert it-- perpendicular to the lathe bed -- into the second banjo. Also you attach the banjo to the lathe bed from the far side of the lathe.You have far greater flexibility with this set up; you can arrange the hollowing tool to enter the work piece from a much greater variety of angles.

Re: Articulated hollowing tools

David Walser

When Stan Townsend demonstrated his then new Elbo Tool at the Desert Woodturning Roundup in the early 2000s, I almost bought one. I didn't because I have a Woodfast short bed lathe and there simply wouldn't have been enough room between the tailstock and my blank for the tool to fit. The same issue existed with the Jet mini lathe. You couldn't use the Elbo tool unless you had the extension bed.

Not long after this, Stan came out with the Mini-lathe & Short Bed Lathe Extension. From what I can tell, it works well. It consists of long steel plate that clamps onto the end of the lathe bed. On the other end of the steel plate is a vertical round bar of steel with a sliding head that can be adjusted up or down. The Elbo tool clamps onto this head rather than the tailstock quill.

The extension costs $55. My only concern is whether the steel plate flexes enough to be a source of vibration.

Re: Articulated hollowing tools

Peter Hyde

Bill,

There were others who reported no problems, but it seems the big problem for us that have problems is the reluctance of the maker to address the issues and do something about them.

All I got back was an email informing me there had been mental illness and a suicide in the family about 5 years ago and that they were not in business to make money but serve wood turners, many of whom are friends.

Definitely not the sort of response i would expect from any viable business.

Re: found this system this morning

Bob Lalonde

Rick, a fellow club member told me yesterday that his Simple Hollowing system is good for only about six inches of depth because of the lightweight construction. I can do that with my D-WAY hand held hollowing tool.

I'm down to Elbo vs. Jamieson and probably will go with Lyle's rig. His personal reputation support is a big issue in my view.

Re: found this system this morning

John C Lucas

What i like about Lyle's system is there are no moving parts. Nothing to break or replace or get loose. It does require more storage space although hanging on the wall its pretty out of the way.

When i first built mine i was using a mini lathe. I built a free standing secondary tool rest out wood. It sat on the floor. I wasnt sure it would work but it worked so well i used it for years. When i upgraded to a full size lathe i still used the wooden secondary rest but did away with the stand and fastened it to the lathe. Finally last year i built a metal one. Moved right after that and havent had a chance to use it. I will shortly because i have a couple of projects .