J220E Injection Molding Machine in JSW - MH500 Hydraulic Servo

Release time:2020-04-02
Click amount: 96

Abstract: Global Mesindo offices are in Jakarta and Surabaya – Indonesia and have distributed any plastic machineries since 1999. It mainly sells Japanese, Taiwanese and Chinese plastic machineries and  auxiliaries such as injection molding, blow molding, pelletizing line, extrusion blow, PET blow molding, inject blow molding, robot, mixer, crusher, dryer loader, MTC and etc. Besides new machines, it also sells used (reconditioned) Japanese injection molding, blow molding and inject-blow molding machines such as Toshiba, Nissei, JSW, Niigata, Kawaguchi, Mitshubishi, Tahara, Placo, AOKI and etc. With INVT hydraulic servo system, the precision is higher, energy-saving effect more apparent.


Keywords: Injection molding machine, Hydraulic Servo,MH500.


1. Project introduction

JSW - J220E injection molding machine hydraulic servo energy-saving renovation:

Original Configuration
Motor rated speed1180 rpm

Pump typeSQP321-30-14-7-86ACD2-18Pump delivery95+43.3+22.9(ml/r)
System flow190 L/minSystem pressure140 bar
Servo Hydraulic
Sumitomo pumpQT6N-100Drive typeKT-CT-3502-A-1
Servo motor typeK187F18C25P



2.System schematic diagram:


3. Project features and advantages

1) Power saving

Remarkable power saving ability, high advanced motor control automatically adapt to plastic process, compared to induction motor, servo saving power cost about 70%.

2) More accurate

With pressure and flow rate PID feedback system, the close loop system can be more accurate control process, raise plastic products and mold accuracy 2%.

3) High Efficiency

Servo has more than 3 times of sudden overload ability 2500 r/m speed, compare to normal induction motor, same condition reduce process time 15%

4) More working life

Servo system reduce impact, increase system working life time 20%


4.Typical application

Hydraulic servo installation drawing

Pressure and flow rate for a given signal wiring diagram

The hydraulic circuit principle diagram


The wiring diagram:


Debugging and parameter Settings

1) According to the wiring diagram 4.1 connection cables;

2) Cooperate with computer injection molding machine, calibration of the hydraulic system of zero pressure, pressure on full scale, zero flow, flow full scale;

3) Test the machine pressure and machine movement;

4) Injection molding machine mold trial production.



5.Reference

MH500 Hydraulic servo system operation manual.

INVT Kinway servo application on injection molding machine.

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