102
Bosch Rexroth AG
| Tightening Technology
3 608 878 300
System 350
| 3 608 878 300/2019-03
Disrupting currents can be discharged with this additional potential equalization. There is then no
potential difference between the workpiece and tightening spindle. Disrupting influences are kept away
from the measuring electronics.
4.3.3.3
High interference currents
Fig. 4–30:
Reflux of major interference currents with the compact system
In normal operation, the grounding via the mains connection of the compact system is sufficient. If higher
interference currents (leakage currents) occur in the industrial environment due to a potential equalization
between nutrunner and workpiece, an additional potential equalization via a 10 mm
2
gn-ge conductor is
recommended here. A braided copper cable that conducts any resulting stray currents over the compact
system to the cable shield is ideal.
Fig. 4–31:
Attachment of an additional potential equalization at the CS351 compact system
(1) 10 mm
2
gn-ge
(2) Connection cable for ErgoSpin/tightening spindle
(3) ErgoSpin/tightening spindle
(4) I
STR
(5) Workpiece
(6) Additional potential equalization
(7) U
STR
(1) Mains connection
(2) Connection cable for ErgoSpin/tightening spindle
(3) ErgoSpin/tightening spindle
(4) I
STR
(5) Workpiece
(6) U
STR
(7) Additional potential equalization 10 mm
2
gn-ge
Summary of Contents for Rexroth Tightening System 350
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