Re: VFD and Varispeed Mill Heads

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "bazer_20002000"
<cncfred@b...> wrote:

> Is there anyone out there who would like to comment on the

potential

> for converting varispeed milling heads as found on BPs etc with a
> direct belt drive (removing variable pulleys and fitting a timing
> belt) and retrofitting a VFD to control spindle speed. This used

to

> be done with chipmaster lathes and led to a much quiter drive.
> Thanks
> Fred
>
> All for a nice quite workshop!!

Running my bridgeport vari-head/VFD at 90hz today made quite a buzz.

David.