Injection Molding Machine Chapter 5
V3.0
5-2
Item Possible Causes Solution
1.3
No clamp open
A Clamp open stop position
improper
B In manual mode, corepull out
not completed
C Corepull operation not completed
D Decompression circuit failure
E Clamp locked time too long
F Directional valve stuck
G Directional valve signal wire
failure
H Mold stuck, can not be opened
I Speed setting too small
J Pressure is insufficient
A Set clamp open stop position
B Manually operates corepull out until
operation is completed.
C Check corepull setting condition
D CheckV8, F8 or set fast speed to slow
speed position to 0
E Contact maintenance department of TMC
agent.
F Clean direction valve V8, V9, V10
G Repair signal wire156/0, 157/0 andV35
H Repair mold
I Increase speed setting
J Increase pressure setting
1.4
Ejector advance failure
A Clamp not fully opened
B Eject pressure, speed not being
set properly
C Eject has reached to set position
D Mold stuck, ejector plate can not
move advance
E Directional valve stuck
F Directional valve signal wire
failure
G Ejector plate hole position not
conform to the mold
A Open clamp again or adjust clamp open
stop position
B Adjust set value
C Adjust set value
D Repair mold
E Clean direction valve V26, manually press
SPOOL
F Repair signal wire 176/0
G Confirm ejector hole position of the mold.
1.5
Ejector retract failure
A Ejector pressure, speed are not
set properly
B Ejector retract has reached set
position
C Mold stuck, ejector pin can not
be pulled back
D Direction valve stuck
E Direction valve signal wire failure
A Adjust set value
B Adjust set value
C Repair mold
D Clean direction valve V27, manually press
spool
E Repair signal wire 177/0