Re: [CAD_CAM_EDM_DRO] RE: Rong Fu RF 45 vs RF 31 CNC - Help!

Hi Andy,

No, haven't tried that. 2HP is a big motor, I'd probably get a VFD for
it instead, although maybe that requires a better motor?

Alan KM6VV


Rajasingham., A. "Indi" wrote:

>
> Maybe I should back off on the 5th axis ! Perhaps the angle plate will
> do most of what is needed.
> Have you tried the PWM contrllers for speed control without changing
> belts on the RF31 ?
> Torque mus tbe pretty low at low revs.
> Andy
>
>
> -----Original Message-----
> From: Alan Marconett [mailto:KM6VV@...]
> Sent: Monday, November 29, 2004 12:39 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] RE: Rong Fu RF 45 vs RF 31 CNC - Help!
>
>
>
> Hi Andy,
>
> It seems the Taiwan machines are slightly better finished then the
> mainland China machines.
>
> The square column (dovetail?) would be better then the RF31's ROUND
> column.
>
> I prefer belts to gears, gears can break, and would be hard
> (impossible?) to replace. Belts I can get anywhere.
>
> Tilt head CNC? That's a little more then the Rong Fu wants to do. A
> good angle plate can take care of most of that. 5 axis? you're talking
>
> about a really expensive machine.
>
> I think I saw ENCO offering upgrade motors, but not cheap.
>
> I have the RF-31, but haven't CNC'd it yet due to funds.
>
> Alan KM6VV
>