Re: best type of hub for pulleyts (DONT USE A KEY)

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

>
> > In a CNC machine where backlash is undesired, the slop is equally
> > unwanted.
> >
> > Recommendation from the mobility impaired? A friction clamping
> > pulley no key.
> >
> > Chris
>
> Great advise. That puts the extra work out of the to-do list.
>
> McMaster offers a hub style shaft clamp as opposed to set-screws.
> Seems it is for the L style so I assume it is good for high

torque.

> I have used them on very large hp motors with drive pullies, but

not

> in motion control.
>
> It is simple enough to drill or file a flat on a shaft so starting
> there might be a good start.
>
> Dave

The way do it is that if the pulley is on the end of the shaft
last thing on there I use the setscrew type because its cheaper
and easier to do but if the pulley goes deeper on the shaft with
other items mounted afterwards I use the clampon style to prevent
damage or distortion of the shaft.
Good Luck