3 Layer Co-Extrusion Film Blowing Machine–Enhancing Film Performance and Reducing Production Costs

2026-01-22

3 layer co-extrusion film blowing machine is equipped with three screws: a 75 screw for the middle layer and 65 screws for the inner and outer layers. The equipment uses an automatic weighing micrometer system and supports quick manual screen changing, enabling the production of white-outer-black-inner express delivery bags and transparent industrial bags.

1800abc 3 Layer Co-Extrusion Blown Film Machine

Key Advantages: An automatic width gauge ensures a die width error within two millimeters; front and rear winding devices and an automatic film cutting device make operation more convenient; the 3-layer co-extrusion design enhances the physical strength of the film, achieving energy saving and low consumption.

Application Scenarios: Suitable for the production of various films such as express delivery bags and industrial bags, meeting the needs of the packaging, agriculture, and construction industries.

1800abc 3-layer-co-extrusion-film-blowing-machine Youtube link:https://youtu.be/z1olHoPPvhw

Expert Insights & FAQ

The extruder screw diameter determines the output capacity (kg/hr), while the die head diameter and Blow-Up Ratio (BUR) determine the film's layflat width. To spec a machine, you should define your target width and thickness first, then work backward to determine the required output and screw size. How do I spec the right extruder size for my target film width?

Extruder size is determined by output demand: a 55mm screw delivers 80–120 kg/hr, while a 90mm screw reaches 300–400 kg/hr. Always spec the machine by working backward from your target layflat width and film thickness. film-blowing-machine-extruder-calculation

By upgrading to servo drive systems (saving 28-34% on haul-offs), implementing OEE monitoring, and optimizing IBC cooling systems, manufacturers can significantly reduce energy draw per kg of film. Energy saving blown film tips

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