Siemens SIMOTICS S-1FT7 - Radial Eccentricity, Concentricity and Axial Eccentricity

Mechanical properties
3.8 Radial eccentricity, concentricity and axial eccentricity
S-1FT7 synchronous motors
Configuration Manual, 09/2018, A5E45099423B AA
61
3.8
Radial eccentricity, concentricity and axial eccentricity
The shaft and flange accuracies are checked according to DIN 42955, IEC 60072-1. Any
specifications deviating from these values are stated on the dimension drawings.
Table 3- 15 Radial eccentricity tolerance of the shaft to the frame axis (referred to cylindrical shaft
extensions)
Shaft height
Standard N
Option R
36
0.035 mm
0.018 mm
48, 63 0.04 mm 0.021 mm
80, 100, 132
0.05 mm
0.025 mm
①
Motor
②
Motor shaft
③
Dial gauge
Figure 3-13 Checking the radial eccentricity
Table 3- 16 Concentricity and axial eccentricity tolerance of the flange surface to the shaft axis (re-
ferred to the centering diameter of the mounting flange)
Shaft height
Standard N
Option R
36, 48
0.08 mm
0.04 mm
63, 80, 100
0.1 mm
0.05 mm
132
0.125 mm
0.063 mm