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Batte Machinery Zhengzhou Co., Ltd.
whatsapp: +86 158 38331071
Tel: +86 371 67991755
After-sales Tel: +86 371 67997677 / 67997877
Address:No.11 Changchun Road, High-tech Zone, Zhengzhou, China.


Help you solve the problem of how to choose screen changer for blown film machine

Blown film production is generally divided into single machine and multi-layer co-extrusion production, and by product is also divided into different products such as agricultural film (greenhouse film), packaging film, bag making film, etc. production. The screen changer for blown film machine provided by Zhengzhou Batte is divided into: manual screen changer for blown film machine, hydraulic screen changer for blown film machine, and automatic screen changer for blown film machine, which can be configured according to users' actual working conditions and production requirements.

hydraulic dual pillar screen changer

Multi-layer co-extruded blown film production refers to the production method of co-extrusion of more than 2 layers of multiple extruders, which is also divided into two ways: up-blowing and down-blowing, down-blowing is common in packaging film, and up-blowing is basically dominant in agricultural film; hydraulic screen changer is generally installed between the flange of the extruder barrel and the connection flange of the die, and the bolt is fixed through the flange on the screw hole of the screen changer, and the main machine is moved back. Multi-layer co-extruded blown film has high requirements for process, long time uninterrupted production, no material leakage, and high requirements for pressure resistance of screen changer, Batte provides double column double station hydraulic screen changer, which can well meet the above production process requirements and is recognized by many users.

hydraulic quick screen changer

For single machine blown film using single plate double-station screen changer, but when changing the screen, the film may break, especially for film production, it may be necessary to redraw the film, so the single machine production will generally adopt the way of stopping to change the screen.

The double-column duplex screen changer provided by Zhengzhou Batte has the advantages of high pressure bearing (can bear 50MPA), no material leakage, no stopping to change the screen, multi-layer co-extrusion production to change the screen without affecting the production, longer life than the plate screen changer, pressure and wear resistance, no material leakage for long time use, etc.

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