Re: [CAD_CAM_EDM_DRO] Inverter driving surface grinder

Doug,
All I can say is that when I replaced the single phase on my mill drill
with a 3 phase and VFD, it sure seemed to run a whole lot smother!

As you live "so far from me", come on over and I will show you what I mean.

At 07:20 PM 5/11/02 -0400, you wrote:

>I am considering using a VFD to run my surface grinder from single phase.
>It currently has a step pulley arrangement to allow speed changes for
>different wheel sizes. The VFD would allow me to replace the V-belt with a
>multi-groove flat belt. This would reduce belt vibration and eliminate
>manual speed changes. The belt is a PITA to get to.
>
>Would the VFD introduce vibration at the wheel, thus negating the value of a
>better belt system?
>
>Doug
>
>PS: automationdirect now has fractional hp inverters that run on 120V single
>phase input and they are dirt cheap.

Bubba

OLDER THAN DIRT
Country Bubba
(Actually the inventor of Country and Bubba)

axtein@...
LaGrange, GA

http://members.dicomm.net/~axtein


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