Re: [CAD_CAM_EDM_DRO] Re: Sanity check for homebrew CNC milling machine

i completely agree with your logic...
but the best price i have seen for the extrusions is about $50 each. 4
foot length if i recall. thats a long way from 10 bucks worth of MDF...

any more competitive sources?


C Cowley

On Wed, 2003-10-08 at 19:27, vavaroutsos wrote:
> Arvid, take a look at some of the designs offered from the likes of
> www.campbelldesigns.com and others if you haven't already. I think
> you could build a better machine from aluminum extrusions for not
> much more money than MDF. You want the rigidity on the bridge, but
> not the weight as F=MA.
>
> I have the following drive/servo motors for sale that seem like a
> better match for your system, especially considering the efficiency
> or you leadscrews:
>
> 4 Yaskawa SGDA-04AS servo packs, 4 SGMP-04A3A4 servo motors, 4
> DP9320089-2 servo pack to motor encoder cables, and programming
> software for sale. All are brand new. The motors are 400W (0.53HP),
> 3000 RPM continuous, 4500 RPM max, 181 oz/in continuous, and have
> 2048ppr encoders. You can get more info at www.yaskawa.com or contact
> me and I can email the specs in PDF format (large file). A power
> supply is not needed with servo packs as it's built in. $1300 takes
> everything.
>
big bandwidth saving <snip>