Re: [CAD_CAM_EDM_DRO] Re: Where to find imperial ballscrews with rotating ballnuts

Marcus & Eva wrote:

>Hi All:
> I am looking for a source for a ground ballscrew 1" or so in dia and
>0.200" pitch about 12" long.
>I need a rotating ballnut to go with it.
>It is intended to convert a sinker EDM from Moog valve/hydraulic cylinder
>ram to stepper driven ram.
>I need a rotating ballnut design for economy of space.
>

If you can get the X axis screw/nut assembly out of a BOSS 3-7 machine,
it should be
exactly what you are looking for. But, I don't think their rotating nut
is exactly compact,
so it may not solve your problem.

>While I'm at it, if I have to buy a metric ballscrew, will I have
>difficulties obtaining precise inch fractions of motion? (metric screws seem
>a lot easier to get.)
>
>

No, software should compensate, unless you need exact inch increments
per step/encoder count.

Jon