Plastic Bags Sealing Machine (1)

Published:2011/6/27 2:17:00 Author:Sue | Keyword: Plastic Bags, Sealing, Machine | From:SeekIC

After S is pushed, 220V voltage will provide the circuit with 20v working voltage after rectification, filtration and reduction. V and VT are disconnected and K is connected. VL is illuminated and T begins to work. 220v voltage provides EH with working power and EH will seal the plastic bags. At the same time, C2 charges R3 by RP. When C2's voltage reaches a certain value, V is connected and VT is connected. K is released and VL is off. EH stops working. When S is released, VT is disconnected and the circuit's working power is cut off.



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