Re: Motor/Leadscrew Couplers

Kory,
try this URL:

http://www.mcmaster.com
then use their "find" to go to
"page 1007"
this will show you some bellows couplings & helical beam couplings.
You can see other types by going to page 1006 & 1008.

Jeff
www.xylotex.com

--- In CAD_CAM_EDM_DRO@y..., "Kory Hamzeh" <kory@a...> wrote:
>
> I'm kind of a newbie at this and I'm trying to interface the Frog
to my
> lathe. The end of the leadscrew on my lathe has an external M8 x
1.25
> thread, about 8mm long. The stepper motor is a nema 23 with a 0.250"
> diameter shaft. I was wondering if the group members had
suggestions on a
> good coupler design. I machined a "hard" coupler out of aluminum
threaded
> one side to screw on the leadscrew and reamed on the other side for
the
> shaft. Each side has a couple of set screws to hold it in place. I
was told
> that you don't want to use a hard coupler and I kind of believe it -
- any
> slight misalignment of the motor causes the friction to go through
the roof.
>
> Any suggestion would be greatly appreciated!
>
> Thanks,
> Kory