True it up first!

[8ntsane]

Hi Guys

This weird looking gizmo I put together to true up stock in the lathe chuck.
I think we all run into those times when the material is thin, like a disc. Or your stock isnt very deep in the chuck jaws. This tool works well for making a thin disc run true, or turn it 90 degrees and use it to true up a piece of stock thats wobbley in the chuck. Just mount up your work piece, and lightly snug it up, run at low speed recomended. Run the bearing up to the front, or side as needed.
The bearing will get your work piece running to about .002 . Stop the machine tighten the chuck as normal, and get cutting!

Save time, is cheap to make, and puts more scrap bin materials to use!
I bought the bearings for 3.00 bucks each. A single bearing would work fine too. I use the double bearings, only one at a time, but its easy to reposition with the pair.

Just another handy tool for next to no money





Paul

 

[irishwoodsman]

true it up first

that is a neat tool thank you for posting:biggrin:mac

 

[GK1918]

sweet

Paul all of your posts, very good, I like the drill idea, the one I made was kind of over
build and yours is much simple to make thanks sam

 

[miner49r]

Very nice Paul. Sure beats (pun intended) a hammer and dial indicator.

Alan

 

[Tom Griffin]

Good idea Paul. I normally use the side of a tool holder to do it but that can mark the part. Guess I'll need to dig through my supply of bearings and make one up.

Tom

 

[Hawkeye]

As mentioned on previous threads, a stick of hardwood will do the same job, but that's nowhere near as cool. Looks good.

 

[Lone Watie]

I have a similar idea for a knurling tool I don't use since I have a clamp style. I plan on replacing the knurlers with bearings for truing.

 

[8ntsane]

I have a similar idea for a knurling tool I don't use since I have a clamp style. I plan on replacing the knurlers with bearings for truing.

Lone Watie

I tried that with a sissors kurler I had yrs ago. It didnt work out for me.
The arm that holds the wheel needs to be ridgidly mounted, or the wheel and arm will just follow the wobbly part. The ridgid arm is best when making a thin disc run straight in the chuck. A single bearing on a ridgid mount will usually do it all.
Just thought Id mention it, because I found it didnt work well for me, and the knurler with wheels wouldnt work on thin disc,s. On round stock that was hanging out of the chuck, it worked some what.

Paul

 

[Lone Watie]

Lone Watie

I tried that with a sissors kurler I had yrs ago. It didnt work out for me.
The arm that holds the wheel needs to be ridgidly mounted, or the wheel and arm will just follow the wobbly part. The ridgid arm is best when making a thin disc run straight in the chuck. A single bearing on a ridgid mount will usually do it all.
Just thought Id mention it, because I found it didnt work well for me, and the knurler with wheels wouldnt work on thin disc,s. On round stock that was hanging out of the chuck, it worked some what.

Paul

My LMS knurling tool is fixed, not a scissors type with the pivot points. It's part of the http://www.littlemachineshop.com/products/product_view.php?ProductID=3112&category=-419988835
set from LMS. If I can get a bearing in there, it may work, we'll see, it's just a thought I had a couple weeks ago.

 

[8ntsane]

My LMS knurling tool is fixed, not a scissors type with the pivot points. It's part of the http://www.littlemachineshop.com/products/product_view.php?ProductID=3112&category=-419988835
set from LMS. If I can get a bearing in there, it may work, we'll see, it's just a thought I had a couple weeks ago.

Yep, that would work!
You can always make your own wheels. This type of tool is run at slow speed anyways.

Paul