Re: [CAD_CAM_EDM_DRO] EMC step rate configuration

John Murphy wrote:

> I paid $9.00 each for 6" clifton precision motors with 1500 count litton
> encoders a while back. Having the motors, I really only had to purchase
> the drives.
>
> I've built a few full loop servo systems, usually around the HP HCTL1100
> motion control chips. Building servo amps, etc was not something I felt
> like dealing with, especially since at the moment, I'm working on "the
> project for the project" and need to get going on my real project.
> I'm not an EE, and I've had a fair share of PWM H-bridges tank, with all
> the smoke that comes with that.
>
> Tim Goldstein wrote:
> >
> > Let me figure now what is different between your system and a pseudo system.
> > Drives, motion card, tachs. All the rest of the parts are the same. Lets
> > figure the price now
> > Your servos $200 per axis
> > Motion card $880
> > tachs $15 each is you scrounge well.
> > Total $1525
> >
> > pseudo system
> > drivers $100 each
> > Total $300
> >
> > Yep, your should certainly be do something extra for the $$$

Watch eBay for servo amps. you should be able to find used
servo amps for a lot less than $200 an axis!

Jon