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FIGURE 2:
Mounting Dimensions
r
'
1 95 "010
1
[4,96,.020mm)
1.87,.02
1
[47,50,.050mm)
---,
1.682..010
[42,73, .020mm)
.39,.01
~26"02
[9,91,.02mm)
[,67,.05mm)
. .
1
k
3.12,.02
1
[79,25,.05mm)
_ - - - - - - 8.00 MAX.
...... _,
[202,2mm)
MOUNTING HOLES:
40n Bottom,
4 On Each Side
#6-32 UNe X .31 [7,88mm)
Deep(12X)
m
5.75 MAX.
[146,05mm)
5.50,.02
[139,70,.05mm)
5.875,.010
[149,23,.020mm)
INCHES (MM)
1.7
MOUNTING REQUIREMENTS
The ST212 may be mounted in the following orientations:
Horizontal:
Spindle motor down
Sides:
Left or right
Refer to
Figure
2 for mounting dimensions.
The drive should not be tilted front to back, in any position, by more than ± 5
o.
For optimum performance the drive should be formatted in the same orienta-
tion as it will be mounted in the host system.
A minimum clearance of 0.050 inch should be allowed around the entire perimeter
of the drive to allow for cooling airflow and motion during mechanical shock
or vibration.
It
is recommended that any external shock mounts between the drive and the
host frame be designed so that the composite system has a vertical resonant fre-
quency of 25Hz or lower.
4
ST212 PRODUCT MANUAL/Rev. B
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