Re: Extending the length of ball screw

Hi Dave,

32mm in dia will be strong enough. I use the same diameter with the
original lead screw on my mill (it looks 90% like bridgeport).

Horace.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "turbulatordude"
<dave_mucha@...> wrote:

>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Horace, T.L.Ho"
> <skyfroghorace@> wrote:
> >
> > Hi,
> >
> > I need a ball screw of total length around 1000mm, but best I

can get

> > is about 500mm only, so I need to add some length at both ends

for

> > mounting the screw on the table. Have anyone done this before

any helps

> > would be much appreciated.
> >
> > Regards,
> >
> > Horace.
>
>
>
>
>
>
> You will find that each larger diameter is available in a longer
> length. This is due to the inherent strengths of the larger

diameter

> screws.
>
> if you make a small diameter too long, it will whip like a jump-

rope

> and moderate rpms.
>
> Dave
>