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IBM 6580

IBM 6580
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~
ReadIWrite
~
______
--=-!I
---Head
I
Data
Track-----!---
g
Erase Heads
Figure
7-13.
Read/Write
Data
Track
STEPPER MOTOR - HEAD
CARRIAGE
ASSEMBLY
A
stepping
operation
moves
the
head
carriage
assembly
from
one
track
to
another.
The
head
carriage
assembly
slides
on two
guide
rods
and
contains
the
read/write
head(s).
The 24
Volt
DC
stepper
motor
shaft
turns
1.8
degrees
in
either
direction
under
con-
trol
of
the
access
signals.
This
moves
the
head
carriage
one
track.
A
flexible
steel
band
attached
to
theĀ·
stepper
motor
pulley,
moves
the
head
carriage
assembly
(Figure
7-14).
7-12
IBM
Displaywriter
Product
Support
Manual

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