Mold-Masters Fusion G2, User Manual

Page: 149 / 192

9.2 Startup
WARNING
When the mold is open never inject material through FUSION SERIES
®
G2
system under high pressure. Failure to do so can result in serious injury or
death.
CAUTION
Failure to follow this procedure may result in leakage / damage occurring in
the FUSION SERIES
®
G2 system.
CAUTION
IMPORTANT
When running thermally sensitive materials, use a thermally stable material
as recommended by the material supplier for the initial startup.
6. Turn on the machine barrel and mold cooling system.
7. Prior to start up, ensure the:
a) Machine barrel is up to processing temperature.
b) Mold cooling is on and at cooling temperature.
8. Heat up all manifolds and / or bridges and inlets (excluding the nozzles)
to processing temperature.
9. Begin nozzle heating when the manifolds and / or bridges have come
within 50°C of processing temperature.
IMPORTANT
Wait until ALL heating zones have reached processing temperature for
5 minutes before continuing.
For FUSION SERIES
®
G2 systems using heater plates, allow 10 minutes of
soak time after the system reaches processing temperature.
10. Startup the system.
a) For empty systems or where there is no material in the gate detail,
extrude material through the hot runner system using 14 bar (200 PSI)
of back pressure.
b) For sys tems filled with material, purge intended shot size twice from
the barrel prior to bringing the machine barrel forward to the Hot
Runner interface.
11. Set injection time and pressure according to part size, gate size and
material.
9-2
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SYSTEM STARTUP AND SHUTDOWN
FSG2 User Manual