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4905Re: 3 phase to single, help please.

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  • mableylee
    Nov 4, 2005
    • 0 Attachment
      Hello Michael,

      The Heidelberg has 3hp, C&P has 2.


      --- In PPLetterpress@yahoogroups.com, "Michael T. Metz" <mtmetz@s...>
      wrote:
      >
      > Or, a bigger (more hp) single phase motor.
      > Folks have told me that the HP rating on
      > a single phase motor won't pull what the
      > same rating on a 3ph. What HP is your
      > motor?
      >
      > -----Original Message-----
      > From: PPLetterpress@yahoogroups.com
      > [mailto:PPLetterpress@yahoogroups.com]On Behalf Of Joel at D.L.
      > Sent: Friday, November 04, 2005 10:56 AM
      > To: PPLetterpress@yahoogroups.com
      > Subject: Re: [PPLetterpress] 3 phase to single, help please.
      >
      >
      > I put a single-phase motor on a 10 x 15 windmill, but I find it
      doesn't
      > have the power that the three-phase motors do. The speed runs
      > considerably slower than the figure on the speed control would
      indicate,
      > and I find that it overheats when I run it too fast with a heavy
      forme,
      > and pops the breaker built in to the on-off switch. So I just slow
      it
      > down. It's only a problem on long runs with lots of printing area.
      >
      > I don't have any experience with phase converters, but if I were to
      do
      > it again I'd get the converter. Or, if you're in it for the long
      haul,
      > get the electrical service upgrade.
      >
      > Joel
      >
      > Dependable Letterpress
      > San Francisco
      >
      >
      > mableylee wrote:
      >
      > >Hi, I've recently acquired two presses (12x18 Heidelberg platen
      and 12x18
      > C&P NS). Both
      > >are three phase powered and were hardwired into the building of the
      > printing company I
      > >purchased them from . They will soon be moved into another
      building with
      > only single
      > >phase power. Any suggestions on how to get these machines
      running? (A few
      > have
      > >suggested investing in a costly Temco 3 phase converter, others
      have
      > advised replacing
      > >the motors to single phase.) Any suggestions or advice would
      greatly be
      > appreciated!
      > >Much thanks, Mable
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      > >Yahoo! Groups Links
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      > >
      >
      >
      >
      >
      > Yahoo! Groups Links
      >
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