14.3 Mag-Pin Operation
CAUTION
Do not turn o the nozzle. It may result in leakage.
CAUTION
Normal condition:
• Nozzle is at processing temperature and the gate is active.
• Force of the magnet is high enough to hold the valve pin that is attached
to the synchro-plate when the cycle opens.
Deactivated gate:
• With the valve pin in close position, decrease the temperature until the
plastic material is frozen. This low temperature plastic around the valve
pin holds the pin in the closed position.
• The valve pin separates from the synchro-plate at the magnet interface.
Figure 14-3 Mag-Pin activation / deactivation
Open position
(Activated gate-10mm stroke shown)
Open position
(Deactivated gate-10mm stroke shown)
Closed position
(Both activated and deactivated conditions)
14-3MAG-PIN OPTION
Hot Runner User Manual
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