BELT MONITORING DEVICE FOR INJECTION MOLDING MACHINE

There are provided with rotary encoders 7a and 7b, each detecting a rotation position of each of rotation driving portions 4a and 4b, deviation calculating means 8 that obtains a deviation Ke between an encoder output value Da outputted from one specific rotary encoder 7a and an encoder output value...

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Bibliographische Detailangaben
Hauptverfasser:	ASHIDA YUUKI, KOMAMURA ISAMU
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	There are provided with rotary encoders 7a and 7b, each detecting a rotation position of each of rotation driving portions 4a and 4b, deviation calculating means 8 that obtains a deviation Ke between an encoder output value Da outputted from one specific rotary encoder 7a and an encoder output value Db outputted from the other rotary encoder 7b, abnormality determining means 9 that compares the deviation Ke with threshold values Ksf and Kss set in advance and determines that the deviation Ke has become the threshold value Ksf or more and/or the threshold value Kss or more, and abnormality output means 10 that outputs at least a determination result of the abnormality determining means 9.