03-22-2012, 07:20 PM
(03-22-2012, 12:03 PM)EdAK Wrote: Bob,
Can you show us a picture of that squarish looking boring bar in picture number 7?
Nice collet chuck you made. What did you end up with for TIR?
Thanks,
Ed
Runout is maybe a few thou which is better than my 3 jaw chuck.
Here is the boring bar in different stages. It was just a piece of 1/2"x1 HR flat that fits in a special wide slot on my square block toolpost (last pic) And don't let anyone kid you that a square peg won't fit in a round hole because it fits just fine. And a small setscrew in the end to hold the bit. It really will hog the metal in backgear a good 3/16" cut per side...Bob
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...
Metal Master Fab
Salem Ohio
Birthplace of the Silver and Deming drill bit.
5 Lathes, SBL Shaper, Lewis Mill, 7 drill presses, 5 welders...