Specific Applications
1. Producing multi-layer HDPE/LLDPE packaging film for retail and industrial use
2. Manufacturing film with combined strength and flexibility for heavy-duty bags and liners
3. Running production for converters who need cost-effective mid-layer resin blending
4. Producing wide-format film (up to 2100mm) for large packaging or wrapping applications
5. Supplying film rolls to downstream bag-making or laminating operations

Core Functions

The ABC rotary die head is the centerpiece of this machine — it lets three separate extruders feed different resin formulations into one film structure, with the die head itself rotating (up to 6000mm rotation diameter) to even out thickness variation across the width of the film.

Three main motors power the extrusion screws (Φ70/Φ80/Φ70), rated at 37kw, 45kw, and 37kw respectively, with Siemens Bede motors driving the process. Screw speed runs up to 100r/min, giving the machine flexibility across different resin viscosities.

Output capacity ranges from 100 to 190kg/hr, with film thickness adjustable between 0.01mm and 0.10mm — a wide enough range to cover both lightweight and heavier-duty film applications on the same machine.

The winding system is fully automatic, with computer-controlled reel changes that avoid stopping the line every time a roll is full — a detail that matters directly for total output over a production shift.

A double-lip wind ring (1400mm diameter) with a labyrinth entrance manages cooling air as the film is blown, which affects how evenly the film sets as it comes off the die.

Procurement Motivations

Buyers evaluating a machine like the 2000 Type Three-Layer Rotary Coextrusion Film Extrusion Machine usually fall into one of three groups.

Setting up in-house film production for a private label — packaging brands who currently buy finished film from outside suppliers use a three-layer extrusion line to bring that production step in-house, giving them control over resin formulation and film specifications.

Supplying film in volume to wholesale packaging buyers — converters serving multiple downstream bag-making or laminating customers need a machine that can sustain continuous output, and the 190kg/hr maximum output on this line supports that kind of ongoing supply relationship.

Lowering material cost through layer blending — a three-layer structure lets buyers use a cheaper resin in the middle layer while keeping higher-performance material on the outer layers, which reduces raw material cost per kilogram of finished film without sacrificing the properties that matter most.

OEM/ODM Support

Wenzhou Chaoshun Machinery works with buyers to adjust configuration on this 2000 Type Three-Layer Rotary Coextrusion Film Extrusion Machine — screw diameter combinations, motor power ratings, die head specifications, and winding system details can all be tailored to a buyer's target film width, thickness range, and resin formulation. This matters most for buyers who have a specific film application in mind and need the machine tuned to that spec before it's built.