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Blown Film Extruder

Single Layer Extruder
Single Layer Extruder
Co-Extrusion Extruders
Co-Extrusion Extruders
ABA / Double Die Extruders
ABA / Double Die Extruders

Description

For the whole process of film blowing, the Blown Film Extruder is one of the most significant devices among the machine to produce plastic film. By the mixing of screw and barrel, and the continuous heating to maintain the suitable temperature, the material will become molten type. Squeezing and pressurizing the material, it will be transported to Extrusion Filter where the impurities are removed out. Then flow into the Extrusion Die Head for film blowing.

Function

Plastic Film Blowing Machine is used to make the raw materials into the plastic film. Putting the raw material into the hopper, the material presents a granular type at first. When the extrusion starts working, the drive system prompts the screw to start whirling. In order to let raw material melt and mix completely, the heater which installed along the barrel with the electric control is available to adjust its temperature. Also, the air ring device will drop the temperature down and keep the air bubble with a stable situation in case of an overheat situation happen. By the pressure extruding, all the components will be pushed forward to the filter. Cleaning the impurities out, the molten polymer is then forced into the Extrusion Die Head where the film comes out and shapes like an air bubble. The temperature keeps heat at this part until film arrives at the air ring to cool down.

Key Components

In order to guarantee the quality of Die products, we use different precision devices to check inspect each part.

  • Hopper

    The feeding system which stores the raw materials inside before entering the barrel for next processing. It mainly to stores the unused polymer before the device start working. (Available to option the Hopper/Dosing Hopper and choose the material of it.)

  • Screw & barrel

    The raw material will be completely mixing through the interaction of screw and barrel. Squeezing and pressurizing by them, the molten material be transported to the Extruder Filter for next process. (Choosing the suitable design for different materials.)

  • Extruder Filter

    Keeping the impurity out from the film which includes the pollution and molten material such as metal, wood and paper. Bringing the clean film without impurity and improves the quality of film as well. (Available to choose the Extruder Filter, Manual Screen Changer and Durable Screen Changer.)

  • Adapter

    To connect the barrel and the filter, adapter is available for different types and requirements which include L-type tube, long straight tube and short joints for different using. (Collocating various types of Adapter for different machine setting.)

  • Extrusion Die Head

    The main function of Die Head is to distribute the melted polymer evenly so that the thickness measured around the circumference of the tube being produced is uniform. It is the key factor to ensure a quality film. (According the final application of products to collocate HDPE&LDPE Single Layer / ABA / ABC / Multi-Layers Extrusion Die Head.)

  • Air Ring

    Blown Film Air Ring used to cool down the temperature of molten material and stabilize air bubble. Besides, with the installation of IBC system can increase the overall capacity as well. (Available to adjust the size of air bubble and the height of cooling wire.)

Types

According to the various applications of Plastic Film Blowing Machine, HSIN LONG had designed and manufactured a serious of components of our Blown Film Extruders and got better quality control to the key components. As one of the central components, Blown Film Extruder is divided into Single Layer Extruder, ABA / Double Die Extruders and Co-Extruders for customers to choose.

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