Re: [CAD_CAM_EDM_DRO] Newbie building router ?

on 2002-06-08 11:17:17 UTC

Hi Mark,

You haven't specified your load, so I doubt if someone on this list
could predict. What voltage? Seems like you should get more then 3
rpm. Are those chopping drivers? I don't think you're gonna make it!
:>(

Alan KM6VV

rmtuckeruk wrote:

>
> Well here is the setup:-
>
> Alzanti pvp134 drivers.
> Superior Electic 110oz 5.1v stepper motors
> 4mm pitch leadscrews with bronze anti backlash nuts
> all running on linear ball bearings and hardened shafting
> machine approx 1250mm * 850mm
>
> Question
> I will be driving the leadscrews through toothed belts
> and pulleys to the leadscrews.The motors are only capable of approx 3
> r.p.m .
> Would i get away with gearing 1:2 on the pulleys so as to give me more
> rapid traverse (ie 1440mm/min) or would this reduce the torque below
> what would be needed to drive the machine?.I know these motors are
> not ideal but they are cheap (£15.00 ea).
> any advice would be greatly appreciated as i can not afford to get
> this wrong
>
> thanx in advance
> mark
>
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