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Directions [For a hot-runner injection molding machine]

Directions [For a hot-runner injection molding machine]

End of previous process

  • Remove preceding resin from the hopper and discharge inside the cylinder.

Preparation

[ Detach the nozzle from the mold ]
It is not necessary to change the molding temperature of preceding resin if the right temperature range for Z CLEAN is kept.
If dry color is used, clean the hopper thoroughly.

Clean inside the cylinder

[ Z CLEAN charge ]
The normal consumption ranges from 3 to 5 shots (varies according to the color state)
[ Injection purge by Z CLEAN ]
A higher injection speed enhances the cleaning effect. In case of an open nozzle, a backpressure purge (*) also enhances its the effect.

Backpressure purge is a way of successive extrusion of Z CLEAN by measurement of backward pressure.

Clean inside the hot-runner mold

[ Attach the nozzle to the mold ]
It is not necessary to change the temperature of mold if the right temperature range for Z CLEAN is kept.
[ Clean inside the hot-runner mold with Z CLEAN ]
Return the gauge of molding machine properly.It allows to shorten cleaning time with short cycle (curtail cooling time)

Replace remains inside the cylinder with succeeding resin

[ Succeeding resin charge ]
Set the suitable temperature for succeeding resin.
An increase in the nozzle temperature by 20 to 30°C allows faster replacement with succeeding resin.
【Injection purge by succeeding resin】
Replace Z CLEAN with succeeding resin.

Replace remains inside the hot-runner with succeeding resin

[ Attach the nozzle to the mold ]
[ Replace remains inside the hot-runner mold with succeeding resin ]
Replace Z CLEAN with succeeding resin.

Check of the molded form

End of cleaning process



Estimated consumption of Z CLEAN
Mold clamping force
(tons)
80 200 650 1300
Consumption
(kg)
0.4~0.8 1.0~2.0 2.0~4.0 4.0~8.0