- 17 -
Troubles
Reasons
Solutions
Without
adding
pressure
step,stop pump to hold pressure
until the pressure is bigger than
setting pressure.
1.
Throttle valve opens too big.
2.
Set ON value in B2 is too big.
3.
Low speed solenoid valve fault.
1.
Readjust throttle valve.
2.
Reset LOGO parameters.
3.
Replace low speed solenoid
valve.
The breaker is ON and the pump
runs immediately or the pump has
an unusual sound or smell.
SSR fault
Turn breaker OFF and check the power
supply, then replace the SSR, check
oil pump.
There is unusual sound when
exiting mould.
The mould has not been cleaned
for a long time.
Clean the mould per shift and use
grease to spread on cylindrical
surface of press head and coat hole
VII. Main Technical Specifications
Specification
ZHY-401B
ZHY-601B
Maximum pressure
400KN
600KN
Press tool
Boric acid/ Steel ring/Aluminum cup/ Plastic ring
Interval between columns
220mm
Plunger stroke
100mm
Holding-pressure time
0~99 seconds
Power supply
380V±10% 50Hz
Earth+Zero
Rated load
1.3kw
Control method
Pressure sensor and PLC
Dimension
615×500×1120mm
655×520×1150mm
Weight
330kg
400kg
Ambient temperature
10-40
℃
