Ball turner tool geometry
#1
I have made a micro small ball turning head for the lathe, does anyone have a simple COC for tool geometry? and while your at it whats the secret of getting the diameter precise.

Anthony.

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ieezitin, proud to be a member of MetalworkingFun Forum since Jan 2013.
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#2
Forgive my ignorance but what does "COC" mean? 17428

Ed
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#3
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DaveH
 a child of the 60's and 50's and a bit of the 40's Smile
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#4
coc= cRAP-OcAD - A hand sketch... a simple drawing an idea, a clue...... nothing fancy..

Anthony..
ieezitin, proud to be a member of MetalworkingFun Forum since Jan 2013.
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#5
Oh, COC. That's how I design everything.
Logan 200, Index 40H Mill, Boyer-Shultz 612 Surface Grinder, HF 4x6 Bandsaw, a shear with no name, ...
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#6
The way I set my ball turner to cut a specific diameter is to make sure that you are measuring from the center of the pivot point of the ball turner. I use gauge blocks on a surface plate to set the tool.
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#7
Here is something I learned the hard way when turning balls with a shank. Hope tis pic clears what I am trying to say...Bob


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Bob Wright
Metal Master Fab
Salem Ohio
Birthplace of the Silver and Deming drill bit.
5 Lathes, SBL Shaper, Lewis Mill, 7 drill presses, 5 welders...
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