Electromagnetic Clamping Device

1. Mold close detection

During the mold change cycle, each piece of mold should be in close position, only can doing MAG operation in mold close condition, this interconnected control operation avoid fake operation due to external matter and gap existed between magnetic template and mold.

2. Magnetic flux detection

During operating the magnetic quick mold change system, Magnetizing force detection function is available in the controller, only when the Magnetization intensity achieve safety standard, the MAG success signal will be present. Otherwise, fault signal will be flash. In the meantime, Magnetic flux detection sensor existed in the entire magnet contact area, if magnetic flux senor detected minor decrease of flux, controller will report warning signal and stop injection mold machine automatically.

3. Temperature detection

In order to prevent Magnetic Template contact area high temperature cause the Magnetic force losing and whole magnet system clamping decrease, Temperature detection sensor will announce warning signal to stop injection molding machine operation automatically, while the temperature is over the limit.

4. Magnetizing current intensity detection

During MAG and DEMAG operation, current detection sensor monitoring MAG and DEMAG pulse current. MAG or DEMAG success signal will be reported only when reaching the request value.

5. Mold dislocation detection

Dislocation detection sensor detect mold position in real time, When mold position has a slight slip, the control system will report fault signal and the injection molding machine will stop running automatically.

6. Gap detection

Gap detection sensor use to detect the distance between magnet plate and mold, controller only can do DEMAG operation when the distance less than 0.2mm. System will report warning signal if distance over this standard, injection mold machine will automatic stop working in this circumstance.

7. Interlock control system

Only when all detection sensor in normal working condition and Magnetic template from fixed side and movable side magnetization successfully, with key switch turn into injection condition, injection machine automatic working is allowed. Otherwise, injection machine will stop working due to safety consideration.

8. Key switch control

Using key switch to transform mold change condition and injection condition. When operate DEMAG process, only press "LOCK" and "DEMAG" two buttons at the same time to operating successfully. Under injection condition, MAG and DEMAG operation is invalid.

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