The main servo motor drives the oil pump. The numerical control system controls the flow and pressure of Y1 and Y2 cylinders respectively through two sets of servo bidirectional pump systems.<br>Two sets of servo pump control systems respectively drive the oil from the upper chamber of the oil cylinder into the lower cavity directly through the oil pump to realize the lifting of the upper die.<br>When the oil pump reverses, the oil in the lower chamber of the oil cylinder is directly driven into the upper chamber to realize the bending of the sheet metal.<br>Two sets of servo two-way pumps are used to control the synchronization of the left and right mold of the machine tool.<br>
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