4/13/2021 10:52 PM | |
Posts: 8 Rating:
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Hi Graeme, Since you have experience in printing machines i think i can explain the situation to you with more detail :) The VC drive that i mentioned is used in unwinder and rewinder parts of the machine. In printing units there are MC drives. Our problem is when we start the unwinder, the motor is rotating forward and backward irregularly. Also the dancer cylinder which comes after the unwinder also running irregularly, it is going up and down very fast. I attached the video. There are two unwinder motors and the other one is working just fine, we can work with it. But both of the unwinder motors should work together for efficient process and right now we can only use one. Thanks for your answer, i will try that first thing in the morning. And if you have more comes to your mind about that problem based on your experience please let me know. Because i dont know what will i do if the problem is not on the motor :) AttachmentVID-20210413-WA0001.avi (412 Downloads) |
4/14/2021 7:05 AM | |
Posts: 8 Rating:
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The dancer trim is applied via profibus The drive is a new drive not a repair and the part number exactly the same The interesting thing about parameters is machine manufacturer sent us the new drive with parameters downloaded inside. But when we compare the parameters on old drive and the new one in drive monitor, we saw that lots of parameters are different. We tried both old and new parameters in this drive but the result is the same. Also after that the manufacturer sent us a new parameters set and we tried that too but nothing changed. So we have three different parameter set and none of them fix the problem. Thats why i am not sure it is a parameter related issue. I attached all three parameter sets. Thanks Attachmentparameters.zip (369 Downloads) |
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