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HEAD LOAD
SOLENOID
Y---~=====~~--_-I
LAMP
Figure 1-1
Model FDl165 Flexible D.isk Drive Components
The simplified design of the disk drive improves its reli-
ability and simplifies repair.
In particular, its dc direct
drive
spindle motor
eliminates
problems
associated
with
conventional ac motor drives.
•
Dr i ve pulleys and bel ts, and the problems associated
with these parts are eliminated.
•
The special brush type dc motor draws less power
(only 26 w) than conventional ac motors, so that low
power, inexpensive power supplies can be used.
•
Concerns about different ac voltages and frequencies
are eliminated.
•
Less heat is produced by the disk drive than with
conventional units.
1-2
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