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Fundamentals Of The Operation Of Blow Molding Machine
Jul 26, 2017

The automatic wind ring structure adopts double tuyere way, in which the air volume of the lower tuyere is kept constant, the upper port is divided into a plurality of air ducts, each duct is composed of a fan chamber, a valve and a motor, and the valve is adjusted by motor-driven valves to control the airflow of each duct.

During the control process, the thickness of thin-film signal is transmitted to the computer, the thickness signal is compared with the current setting average, and the calculation is based on the variation of the thickness and the trend of the curve. Control motor Drive valve movement, when thin film, the motor is moving, the tuyere is small; conversely, the motor reverse movement, the tuyere increased, by changing the wind cycle on the circumference of each point wind volume, adjust the cooling speed, so that the thin film transverse thickness deviation control in the target range.