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Failure analysis and troubleshooting of injection molding machines1

Article source: Kexiang mold popularity:748 Publication time:2023-06-21 10:04:16

Injection mold factory will be the initial analysis of the fault and troubleshooting is divided into the following categories: 


One. In order to ensure that the fault analysis and troubleshooting fast, effective, need to follow certain procedures, this procedure is roughly as follows, first keep the scene of the situation for symptom analysis, including: 


(1) what failure occurred, in what circumstances occurred, when it happened? 


(2) How long has the injection molding machine been running for the failure to occur? 


(3) Before the failure occurred, there is no abnormal phenomenon revealed? For example: odor, smoke. Is there any additional abnormal operation by the operator? 


(4) Is the operation of the control system normal, is there any private modification of the operation program, and is there any special difficulty in the operation? 


Second, observe the condition of the entire machine, the operating parameters 


(1) Is there any obvious abnormality, parts have no jamming or damage, the hydraulic system has no loose or leakage phenomenon, wire has no rupture, abrasion or burnt? 


(2) Is there any change in the operating parameters of the injection molding machine, is there any interference signal, is there any obvious damage signal? 


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Third, check the monitoring indicator device 


(1) Check whether all the readings are normal, including the pressure gauge and other instrumentation readings are normal, the height of the oil level situation is normal 


(2) Check whether the filter, alarm and interlocking devices, action output or display is normal 


(3) Check the injection molding machine by pointing it (if conditions permit) 


(4) Check intermittent conditions, persistent conditions, and conditions during fast or slow feed to see if output is affected under these conditions and whether damage or other hazards may result.


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