Re: [CAD_CAM_EDM_DRO] WOW !!!

----- Original Message -----
From: "ulpilots" <ulpilots@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, December 31, 2001 2:30 PM
Subject: [CAD_CAM_EDM_DRO] WOW !!!


> I have been running an Emco 5 PC lathe with CNCpro and 2 Gecko 201
> drives it
> was running good but I could not get more than 16 IPM in X and 20 IPM
> in Z (
> the 201 is a micro steeping drive , it takes 10 pulses to move 1 step
> ) when
> I
> would set the speed higher CNCpro would give me a message that max
> federate
> was
> exceeded .
> I bought a Gecko 210 with the multiplier board to try now I don't the
> message but the motor skips sometimes , it only gave me an
> increase to 22 IPM ( later I'll find out why ).
> My computer was rather old so I bought a 133 MHZ on eBay for $35.00
> installed
> it and raised the feed rate to 30 , worked great , 40 worked great ,
> 50
> worked
> great 60 worked great , 70 worked great , 80 would not start and
> stop
> correctly ( even with acceleration changes ) .
> So just changing the computer raised me from 16 & 20 to 70 & 70 WOW
> what a
> difference the machine is soo small that it looks ridiculous at 70 IPM
> but it
> cut over a minute per part off the production job that is running now
> , 500
> parts X 1.5 min. = 750 minutes at about a dollar a minute that was the
> best
> $35
> computer I've ever bought .
>
> Bottom line , don't use the old slow computers , the pulses aren't
> smooth
> enough
>
> Ps. I'm using the newer type stepper motors that are square , these
> are the
> smaller 23 size double stack and the 50V. power supply that was in
> the machine.
>
> Ron Kline
>
>
> Addresses:
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