PDA

View Full Version : My new ball turner



johnhurd
12-31-2005, 06:57 AM
http://img.photobucket.com/albums/v338/johnhurd/ballturner.jpg
Although the turner I made for the boring bar worked I had to have one the was a little better(to much free time) This one replaces the conpound and I took little pieces from every one elses improvements that were posted here. Now I just have to play with the grinding of the bit. I hope you know that the first ball made replaces that weird shaped one that is on there now.

aametalmaster
12-31-2005, 09:14 AM
I am starting one today, i got the plans from one of the Yahoo groups. It was in Popular Science in 1960...Bob

------------------
Bob Wright
Salem, Oh Birthplace of The Silver & Deming Drill

Mike Burdick
12-31-2005, 11:44 AM
John,

Very Nice!

One thing you might consider to aid in the setup for creating spheres is to have a something on your ball turner that is on its exact center of rotation. On mine, I drilled and reamed a 1/4" diameter hole which will hold a removal dowel pin that has the end machined to a point. That way when I setup I can match it up to the center of the lathe and set the cross slide dial to zero. It is also helpful to measure off of the dowel pin to set the cutter at the correct radius so that one can achieve a specified ball diameter.
_________________________



[This message has been edited by Mike Burdick (edited 12-31-2005).]

Alistair Hosie
12-31-2005, 04:25 PM
I lioke the first attempt at the top of your lever acorn nuts well done a good transformation http://bbs.homeshopmachinist.net//biggrin.gifAlistair

Your Old Dog
12-31-2005, 05:04 PM
Nice job! Will that setup go the other way? That is, will it do concave as well? I'd like to make something that will allow me to make mandrels out of 1" plate either aluminum or mild steel.

Also, I wonder if the bit holder itself could be made from a slice of super heavy duty angle iron? It would save a lot of machineing time.

Bob Quale
12-31-2005, 05:17 PM
I am just getting ready to make a ball turner my self! How did you make the swivel?

Thanks Bob

johnhurd
12-31-2005, 06:32 PM
YOD yes it will concave

Mike I would like a picture of that have several ideas and another will not hurt

That Acorn is GONE : )

[This message has been edited by johnhurd (edited 12-31-2005).]

lugnut
12-31-2005, 06:44 PM
Happy New Year all you want-a-be Ball Turners http://bbs.homeshopmachinist.net//smile.gif this site has some good drawings and photos of a ball turner. http://bedair.org/Ball/ball.html
Have a great new year
Mel

[This message has been edited by lugnut (edited 12-31-2005).]

johnhurd
12-31-2005, 06:47 PM
This turned out to be my version of the swivel

http://img.photobucket.com/albums/v338/johnhurd/swivel.jpg