User guide

RDD-Series Rotary Direct Drive Bearingless Motor Installation Instructions 11
Publication RDB-IN002B-EN-P — February 2010
Verify Machine Mounting Dimensions
Verify proper fit of the motor to the machine mount by measuring the following
machine mounting dimensions:
1. Verify these dimensions are within the measurement range in the tables:
• Pilot diameter
• Shaft diameter, large and small
• Shaft length, small and overall
2. Verify the Total Indicator Readout (TIR) of these dimensions is less than the
value in the tables when measured with a dial indicator:
• Shaft runout
• Pilot concentricity
• Mounting surface perpendicularity
Machine Mounting Dimensions
Machine
Mounting
Surface
Small Shaft
Diameter
Large Shaft
Diameter
Pilot
Diameter
Small Shaft Length
Overall Shaft Length
Pilot
Extension