Re: The Servos from H**L...

--- In CAD_CAM_EDM_DRO@y..., "stevenson_engineers" <machines@n...>
wrote:

> --- In CAD_CAM_EDM_DRO@y..., "audiomaker2000" <audiomaker@s...>

wrote:

> > Ok guys, I got this nifty idea to retrofit my 1985 Deckel FP2NC,
> > which is a 3 axis vertical mill made in Germany. The drives are
> > Bosch and it's a pretty neat machine except the control is

having

> > some serious problems.
> > Ok, no big deal, a little help from Art and Mariss and I'll have
> > this puppy howling along....
> >
> > Sooo, I crawl back to get the Servo spec's and am met with this

on

> > the nameplate:
> >
> > SEIMENS
> > =PermMagn-Mot 1 HU3071-0/AC01-0ZZ9-Z
> > IEC 71 NrE 9666 8208 33 011
> > V 1/min A Kw
> > 176 2000 7.6 1.09
> > Mo 5Mn lo 7.1A VDE 0530 I CL F 100K
> > Err/excit V A <diode symbol> Lv mH
> > Permanent IP54 Bauf BS
> > Mo Max 5.5Nm lo max 7.8A LCL F 130
> > = Tacho 1 HUM052 20mVmin Load 13 <ohm>
> > Z G45 Made in Germany
> >
> > Best guess is that it's:
> > 176V, 2000RPM, 7.6 amp and 1.09KW (1.5HP)
> >
> > I'm now feeling a bit like the captain of "Das Boat"
> >
> > Believe it or not, three of these live on the machine and the
> > machine itself is smaller in frame size than a standard

Brideport

> > mill.
> >
> > Can this moster be retrofitted to PC control?
> >
> > Thoughts?
> >
> Sean,
> There are loads of these around in the UK and 176v 5.5Nm, is about
> normal for servo motors here. I have a few Siemens servo kicking
> around off old Guildermeister lathes.
> One point to note is that a lot of these didn't have digital
> encoders. They either had resolvers or analoge encoders.
> I also have a Series 1 Bridgeport with 176v SEM servo motors and a
> Heidenhain controller but again this has analoge encoders.
> From my very limited experiance of early Seimens stuff the driver
> cards are very special and if it is on resolvers they are virtualy
> useless.
> You might think about going onto Baldor driver cards as these have
> models also rated at 176v and 5.5Nm
>
> John S.

Thanks John,

It sounds to me like my options are really to either repair the
control, or to replace the drive motors. I'm not sure what would be
a good replacement though. Too bad, because they look to be very
high quality units.

Sean