Rockwell Automation 8510 AC Spindle Drive System User Manual - Manual (Page 55)

6 Chapter
6-51
Motor Installation
Chapter Objectives Chapter 6 provides the information needed to properly install the 1327A
AC Motor. Included are environmental conditions that must be met and
physical mounting considerations.
Mounting Considerations The following items must be considered when mounting the 1327A motor.
– The motor can be mounted horizontally or vertically with the shaft down
or up.
– Horizontally mounted 1327AD Series motors must always be mounted
with the terminal box on top of the motor. If other orientations are
required, contact the factory for special motor modifications.
– The motor is fan cooled with air flow from the drive end to the fan end.
Both air inlets and outlets must be free of obstructions. Maintain a
clearance of at least 150 mm (6 inches) at the fan exhaust area.
– When mounted, the motor must not be exposed to direct splash or spray
of cutting fluids or lubricating oils.
– Flange mounted motors include a labyrinth type shaft seal with flinger,
which provides excellent protection against oil splash. However, it will
not provide protection against oil flooding.
Important: If mounted into a gearbox, assure that the lubricating oil
level is about one shaft diameter distance below the bottom of the motor
shaft.
Coupling Considerations The points listed below must be considered when making mechanical
connections to the motor.
– Assure that the motor is aligned with the shaft parallel to the driven shaft.
– The motor has been precision balanced with a half height key installed in
the keyway. During high speed operation, a small unbalance will cause
significant vibration. Take care to accurately dynamically balance any
gears, pulleys, or couplings that are mounted to the motor shaft. Best
results are obtained by balancing after the device is mounted to the shaft.
– If the motor is belt coupled, the belt tension must not exceed the radial
load capabilities of the motor bearings as shown in Table 6.A.