MANUAL Charging on Toshiba Injection Molding Machines

Manual Charging on Toshiba Injection Molding Machines

MANUAL charging is necessary before carrying out MANUAL operation, SEMI-AUTOMATIC operation and AUTOMATIC operation.
(The following descriptions are given on condition that resin has been supplied and barrel heating up has been completed before starting operation.)

NOTE: To prevent the metal contact between barrel and screw in case of no resin inside the barrel, set Screw Rotation Speed (SRN) and Back Pressure (BP) by following values.

Screw Rotation Speed(SRN) 20min-1
Back Pressure (BP) 49MPa (Max. setting)

* In order to avoid a problem, Back Pressure (BP) here should be high enough for the screw not to retract during its rotation.

Use the operation controller to operate the machine by following the procedure below.
[1] Press [MAN] of the OPERATION selector button.
Operation Buttons
[2] Close the safety gate. Then press [INJ] of the SCREW button and move the screw to the advance limit.
Screw movement buttons

[3] Continuously press [CHARGE] of the SCREW button to start charging.

※The LED blinks during charging.
※After the LED flicker became from slow to fast, charging continues without pressing [CHARGE] button.

[4] After confirming melted resin flowing out of the nozzle, increase (SRN) setting and lower (BP) setting.
※The LED lights after the completion of charging.

NOTE: In case of resin decomposition inside the barrel, repeat purging thoroughly by MANUAL charging and MANUAL injection before starting operation.

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