Re: accurate bore

Finally someone with the common sense of a lathe guy comes up with an
answer to guide the guy in the correct way. Do it ALL in a lathe with
a steady reasy if you have to. Steady rest with rollers will save you
time and now with that 0.001" tolerance you have acres of room. ;)

Another thing you can do is play around with the turned surface finish
just a bit and the roller burnish it to finish size. That would get
you an easy consistent finish size and smoooooooth finish. Check this
out, I have seen and used other brands, but these people are probably
ok, http://www.brightbright.com/about_burnishing.html

You mill guys are two one dimensional! hehehehe

wd
Lathe man, and keeper of finer old tools.


On Sun, 09 Oct 2005 13:11:32 GMT, Anthony <tonytn36sp@xxxxxxxxxxx>
wrote:

>"Karl Townsend" <karltownsend.NOT@xxxxxxxxxxxxx remove .NOT to reply>
>wrote in news:ux72f.665$y14.617@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:
>
>
>> On each end is one tight tolerance bore, 2.375" -0.0000 +.0005. Looks
>> like they will put a Timken bearing race in that spot. The rest of
>> the job demands that this bore be made with two feet of part hanging
>> out of the chuck. What's the best way to do this? I'm guessing we
>> should look for an adjustable boring head with two opposing carbide
>> inserts. Or maybe a reamer that can be chucked in the back turret.
>
>Ever thought about making a steady rest adapter for one of the turrets?
>
>Anthony

.

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