Siemens SINAMICS S210 - Radial Eccentricity, Concentricity and Axial Eccentricity; Checking the Radial Eccentricity; Checking the Concentricity and Axial Eccentricity

8.1.9 Radial eccentricity, concentricity and axial eccentricity
The shaft and flange accuracies for the 1FK2 motors are implemented to DIN 42955 (IEC
60072-1) as standard (Normal class).
Table 8-3 Radial eccentricity tolerance of the shaft to the frame axis (referred to cylindrical shaft ends)
Motor Standard (Normal class)
1FK2☐02 0.03 mm
1FK2☐03 0.035 mm
1FK2☐04 0.04 mm



/
① Motor
② Motor shaft
③ Dial gauge
Figure 8-2 Checking the radial eccentricity
Table 8-4 Concentricity and axial eccentricity tolerance of the flange surface to the shaft axis (referred
to the centering diameter of the mounting flange)
Motor Standard (Normal class)
1FK2☐02
0.08 mm
1FK2☐03
1FK2☐04






PP PP
$%
A Check for concentricity ① Motor
B Check for axial eccentricity ② Motor shaft
③ Dial gauge
Figure 8-3 Checking the concentricity and axial eccentricity
Technical specifications
8.1 Technical data and properties of the motor
SINAMICS S210 servo drive system
184 Operating Instructions, 12/2017, A5E41702836B AA