Determining The Radial Run-Out, Axial Run-Out And Coaxiality Tolerance Of The Motor - NEUGART PLE Operating Manual

Operating Manual Gearbox
Mounting

4.1.3 Determining the radial run-out, axial run-out and coaxiality tolerance of the motor

4.1.3.1 Radial run-out of the motor shaft end
The measuring probe is placed at the center
of the shaft end. The maximum and minimum
values are read on the measuring instrument
by slowly rotating the shaft. The measurement
may be performed with the motor in a hori-
zontal or vertical position, with the measuring
instrument mounted directly on the motor or
on a common base plate for the motor and
measuring instrument. The difference between
these readings must not exceed the values
given in the technical specifications of the
gearbox.
4.1.3.2 Coaxiality of flange centering with respect to the motor shaft
Using a fixture similar to the one shown in the
picture,the measuring instrument is mounted
on the shaft end at a distance of about 10 mm
from the mounting surface of the flange. The
maximum and minimum values are read on
the measuring instrument by slowly rotating
the shaft. It is recommended that the shaft
be oriented vertically when performing this
measurement. The difference between these
readings must not exceed the values given in
the technical specifications of the gearbox.
4.1.3.3 Axial run-out of the mounting surface of the flange with respect to the motor shaft
Using a fixture similar to the one shown in the
picture,the measuring instrument is mounted
on the shaft end at a distance of about 10 mm
from the mounting surface of the flange. The
maximum and minimum values are read on
the measuring instrument by slowly rotating
the shaft. It is recommended that the shaft
be oriented vertically when performing this
measurement. The difference between these
readings must not exceed the values given in
the technical specifications of the gearbox.
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