Re: TURBO CNC "hangs up" (freezes) part 2 "i have a clue now."

my two IDs, are INK_SH*T and MARCOS BRUGHETTI- just for reference-
sorry for the first ID. it was kind of a joke email address wich i
kept and use..



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Marcos Leandro gonzalez
Brughetti" <marcos_brughetti@...> wrote:

>
> you are the second that suggested the battery backup!! i have one
> broken for a while!! TO BADDDDDDDDDD
>
> the three phase motor and the power converter are grounded, the PC
> Isnt because im using a temporary extention, wich doesnt have the
> ground wire...
>
> about the battery backup, do i have to run the PC, from the battery?
> as if the power went off? or just use it plugged in into it and
> runing from AC thrue it?
>
> THANKS YOU ALL!
>
> (DAVE, BILL AND GRAHAM)
>
> MARCOS
>
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "Bill Newell"
> <woodwelder@> wrote:
> >
> > Hi Marcos,
> >
> > I don't think that a line filter will help you, as they
> only "filter" high
> > frequency noise. I would recommend a battery backup unit from a
> > manufacturer such as Belkin (I use their 1000 VA unit). The
> battery backup
> > unit will filter dropouts and spikes caused by the motor.

Install

> the
> > battery backup very close to the PC so that there is minimum AC
> cord from
> > the battery backup to the PC.
> >
> > There are all sorts of "grounding" problems that should be

checked

> first
> > though, such as whether the PC is actually grounded through the
> power cord
> > and whether the other machinery is grounded as well. Your three
> phase power
> > converter could be causing your problem as well by injecting

spikes

> into the
> > AC line.
> >
> > Have you thought of running the PC off a completely isolated AC
> circuit?
> >
> > Do you have a computer savvy friend that could loan you a battery
> backup
> > unit for a couple of hours to see if it would help?
> >
> > Regards,
> >
> > Bill Newell
> >
> > -----Original Message-----
> > From: CAD_CAM_EDM_DRO@yahoogroups.com
> > [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of ink_shit
> > Sent: Sunday, March 19, 2006 2:21 PM
> > To: CAD_CAM_EDM_DRO@yahoogroups.com
> > Subject: [CAD_CAM_EDM_DRO] TURBO CNC "hangs up" (freezes) part

2 "i

> have a
> > clue now."
> >
> > well today i decide to give it another try...the machine jogs

well

> (I
> > still didnt check again the X axis for its measures-difference)
> > now i can certainly say that the computers, just frezzes a short
> time
> > after i turn my spindle "on" and the stepers keep runing, even if
> it
> > use the E-switch. (even without using the relay conected to
> parallel
> > port)
> >
> > i use a siemenes micromaster 420, to power a three phase 1hp

motor.

> > the micromaster is AC 220v input, and AC 380x3 output. its

conected

> > to the same powerline that the pc is, but i use an extention to
> > conect the pc almost 15m far.
> >
> > so my first guess is : interference. but i dont know...is it high
> > frec? or low frec "noise" ...in my opinion it should be high, but
> the
> > micromaster works as an frec converter, it changes the line frec,
> not
> > the voltage, so it keeps the 1hp even at 10 rpm on the motor, or
> > 2500rpm.
> > i use the motor, just to try at 5hz, 10hz and even 20hz on a 1HP
> 2400
> > RPM motor. but the pc still freezes like a minute after i turn it

on

> >
> > so i thinking on getting a line filter..but what type???
> > THANKS IN ADVANCE
> > MARCOS
> >
> >
> >
> >
> >
> > Addresses:
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> >
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to

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POSTING

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