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Appendix 3
9.4.2 Functional diagram for the connection of compressed air of electrical spindle
Figure 9.6 presents the typical connection of compressed air system, and the system
shall be prepared by customer. Apply two solenoid valves to decrease the risk of
system failures. Although this kind of failures happened rarely, once it happens, it may
cause serious consequences; therefore, it is recommended to provide redundancy.
Figure 9.6 Typical connection diagram of compressed air system
1
Inlet of cone cleaning and internal pressurization (please refer to N°1
in figure 9.5 at the same time).
2
Inlet for release of tool holder (please refer to N°2 in figure 9.5 at the
same time).
3
Inlet of air source of factory
4
Filtering and drying set of compressed air with automatic drainage of
condensate water: 5μ for the first phase, and 0.1μ for the second
phase;
5
4 bar pressure regulator (58 PSI)
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