Re: [CAD_CAM_EDM_DRO] Re: Nema 23 Brakes for servo or stepper motors

I was going to ask why the brakes are necessary since most applications can
stop a motor dead by simply driving the windings to ground. As long as
there's enough friction in the movement, anyway.

On 10/25/06, vrsculptor <vrsculptor@...> wrote:
>
> Just curious... How many TPI is your ballscrew.
>
> Roger
>
> > I'm looking for a new or used Nema23 servo/stepper motor brake 24VDC
> > bolt on type. I have ball screws on all three axes on my router and I
> > need a Brake for my Z-axis. Inertia Dynamics, Electromate and MCG
> > sell them for up wards of $210.00, this seems a bit high for something
> > so simple. Do any of you have one you can spare or an alternative
> > source for these brakes? It has to be similar to the ones from the
> > companies I mentioned because I need to mount it between the end of
> > the ball screw and the bottom of my motor so I can mount the encoder
> > on the top of my motor. Any leads or help would be greatly
> > appreciated.
> >
>
>
>
>
>
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