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Large Capacity Water Tank Blow Molding Machine

Large Capacity Water Tank Blow Molding Machine

Blank thickness control system for Large Capacity Water Tank Blow Molding Machine Parison wall thickness control system is a position control system, consisting of electro-hydraulic servo system. The core of the control is the location of the center bar, and the control accuracy of the center rod position is the key to control the effect of parison wall thickness. Therefore, the research focus of this system is the accuracy of center rod position control, that is to improve the control accuracy of parison wall thickness on the premise of meeting the corresponding time.

Large Capacity Water Tank Blow Molding Machine

Large Capacity Water Tank Blow Molding Machine.jpg

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Blank thickness control system for Large Capacity Water Tank Blow Molding Machine

Parison wall thickness control system is a position control system, consisting of electro-hydraulic servo system. The core of the control is the location of the center bar, and the control accuracy of the center rod position is the key to control the effect of parison wall thickness. Therefore, the research focus of this system is the accuracy of center rod position control, that is to improve the control accuracy of tank parison wall thickness on the premise of meeting the corresponding time. The control method of parison wall thickness is to divide each parison formation process into several points, and control the wall thickness of these points respectively. The number of control points is less and the response speed is fast, but the number of points is too little. The control precision of the tray wall thickness can not be reached, and the weld joint (ring pattern) will be formed around the billet. The number of points will cause the system response time too long. The servo cylinder is too late to counter the received signal, and the ton bucket has come out.

Hardware selection

The man-machine interface adopts the A57 type touch screen; the input voltage of the input power supply is 20 ~ 28VDC, the input current is 900mA (maximum load), 14 digital input points, 10 digital output points, two analog input points, an analog output point, two RS-485 interface, and servo amplifier mining. With the 310 amplifier, there are nine adjusting knobs, of which RP1 is used to regulate the amplitude of the feedback signal.

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