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TRAK Machine Tools
Southwestern Industries, Inc.
TRAK TMC Mills with ProtoTRAK RMX CNC Safety, Installation, Maintenance, Service & Parts List
An oil passage is drilled into the flange above the spindle nose to allow the circulation oil access to the
spindle nose. This provides new paths for cooling in the area immediately adjacent to the tool and the
main source of generated heat. The pressurized circulation oil is forced through the nose then up back
above the flange and around the spindle shaft. There the oil scrolls upward along the circumference of
the shaft along oil channels before exiting the spindle heading back to cool off in the heat exchanger.
This additional cooling allows the customer increased production.
Figure 8.2
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Spindle Circulation Oil Path
