Re: [CAD_CAM_EDM_DRO] 8" Floppy Drive Motor question

Greetings

Just looked at some Pertech 8" drives from the orig. Mits Altair and some
Siemens from old OSI computers.

They appear to have a 4 lead stepper bipolar motor for the heads running on
24 volts

The Siemens motors are made by Singer. The lable is mounted against the PCB
so I can not read it with put disassembly. The spindle motor is a 115 VAC
sync motor with cap.

Yes daughter, these were considered state of the art high density storage
when your dad got into computers.

Hugh

----- Original Message -----
From: <cadcamcenter@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Monday, July 16, 2001 11:34 AM
Subject: [CAD_CAM_EDM_DRO] 8" Floppy Drive Motor question


> Alan Trest wrote: "Anyone know what type of motors are in old 8"
> floppy drives."
>
> Jon Elson: "All sorts. I've seen AC induction motors, DC brush, DC
> brushless. Just about any kind of motor you can imagine......Without
> knowing what you want to do with it, I can't offer much help. They
> won't be of much use in a machine tool, unless it was micro-sized."
>
> Is the Unimat I (Unimat Classic) micro- enough?
>
> Peter
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