Re: machining ballscrews

Tim,

An excellent post. Did we need the politics?

Ballendo

--- In CAD_CAM_EDM_DRO@y..., Tim Goldstein <timg@k...> wrote:
> I have also turned the McMaster ballscrews (to be used on a hobby
> non-commercial machine) on my hobby oriented Shoptask 3 in 1
machine. I used
> a lowend Harbor Freight 1/2" shank insert tool bit with some off
brand
> triangular insets I got from Enco. Speed was about 300 rpm and feed
was a
> politically correct home hobby rate of 1 ipm (ok, the rapid returns
were at
> 120 ipm ;`) ). Depth of cut for the initial cut was all the way
down to
> under the skin on the thread roots. Lube was a little WD-40 sprayed
as it
> cut (lots of smoke!). I broke a number of inserts (is it ok to talk
about
> using inserts in a home shop or is that not politically correct?)
until I
> learned that you need to cut the whole hardened thread in one pass.
Lots of
> vibration and noise, but the job was done.
>
> Tim
> Denver, CO]
>
> > -----Original Message-----
> > > Chris,
> > >
> > > Do you have some feeds/speeds/insert types for us to use doing
this?
> >
> > Sure, but you probably won't like them...
> ----Snip---