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7/28/2019 WECON HMI and PLC Application in Tissue Machine
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http://www.we-con.com.cn/en/index.asp
WECON HMI and PLC application in Tissue Machine
1IntroductionTissue Machine is used for cutting the paper materials according tothe fixed length and fold it.can be a production line with packing
machine ,make a small bags of paper and other producs.
Fuzhou Wecon Co.Ltd. Fujian Province China. 1
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Fuzhou Wecon Co.Ltd. Fujian Province China. 2
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Pull part and cut part of Tissue Machine
The follow picture is the control cabinet of Tissue Machine,that use
the WECON Lxis-20mr/mt plc and 7-inch HMI.
PLC-SE
2.Precautions(1)There are two proximity switch to provide signal and to calculate the
length of tissue in each lap.as shown in figure 3, one is for calculation of the
length of tissue length,the other is for count.(2)Use an encoder signal to complete synchronization with previous
machine, need to figure out the speed of the servo in a short time.
(3)To update the average length of tissue each lap.
(4)The reduction ratio of the servo and cutter axis is 1/6reduction ratio is e
xternal manually modify,like Blue gear in the picture below.
Fuzhou Wecon Co.Ltd. Fujian Province China. 3
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Internal structure of issue machine
2component1The following picture is operation screen.
Fuzhou Wecon Co.Ltd. Fujian Province China. 4
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2PLC use the command of the SPA in the Tissue Machine.The following picture
shows computing of follow speed.
Fuzhou Wecon Co.Ltd. Fujian Province China. 5
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3ConclusionError of actual length and measured length is between 1-2mm, pass the
test,it meet manufacturers requirements and have higher accuracy than the
original system.HMI replace text HMI,more flexible and operable.
Fuzhou Wecon Co.Ltd. Fujian Province China. 6
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