Re: Want to convert step-pulley drive to digital speed control

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Robert Campbell" <bob@c...>
wrote:

> Steve,
>
> A VFD (Variable Frequency drive) may work. Look at Automation Direct.
> WWW.automationDirect.com
>
> If a VFD will work, then using one of our spindle speed control

boards would

> give you control from your program.
>
> At least that would be a place to start looking.
>

AND the VFD will take the place of the static converter and give you
back full power on the motor as well as speed control. Feed it single
phase 230VAC 50/60HZ and like magic you get 3ph out at varying frequency.