When the Air Cooler Mould(FURNITUREMOULD) is injected with multiple hot nozzles in one mould, when the gate of the hot nozzle ejects glue along with the advance of the screw of the injection machine, the gate can be opened by adjusting the valve needle in sequence through gas (liquid) pressure to inject glue, which can adjust the waterline, shrinkage, warping and other problems of the product appearance. On the contrary, when the screw in the injection machine moves backward, the gate can be closed by adjusting the valve pin in sequence through gas (liquid) pressure without injecting glue.
The structure of air cooler mould is relatively complex, and its machining accuracy and maintenance are relatively high. Although users consider the purchase cost, it has many advantages and is also adopted by most users.
The hot runner system of the integral air pressure needle valve has high manufacturing precision, and the injection moulding of the air cooler mould is convenient to install on the mould. In the aspect of engineering plastic injection, it is mainly used for precision gears, precision fan blades, precision connectors and other products, which solves the problems of plastic products such as inaccurate precision, unbalanced flow rate, yellowing of products, scorching, unstable injection moulding, uneven gate and the like, and also reduces the manufacturing cost for customers.
With the continuous progress of electronic technology for injection moulding of air cooler mould, the electronic and automobile industries have developed rapidly. In view of consumers' fervent pursuit of new products, in order to enable customers to remain invincible in the increasingly fierce market competition, hot runner continuously provides new products to meet customers' needs, shortens the supply time with standardized production, and gives Chinese enterprises more advantages in competing in the international market.
This kind of sequential control can also compensate for the defect of uneven filling of the mould cavity when multiple hot nozzles are simultaneously injecting glue. In addition, the needle valve type hot runner gate is made slightly larger to reduce the shearing heat of the glue outlet. By opening and closing the glue outlet instantaneously, the mould cavity is filled quickly and the pressure is maintained well without wire drawing and salivation. Only by using the needle valve type hot runner can it be used for injection moulding of laminated cavity moulds and multi-cavity family products.
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