Twin-Head Plastic Bag Film Production Machine

The Twin-Head Plastic Bag Film Production Machine produces two polyethylene film outputs through a twin-die-head blown film system. It is suitable for narrow-width film used in shopping bags, T-shirt bags, garbage bags and selected packaging applications. The line integrates extrusion, die heads, air cooling, haul-off and winding. Resin grade, film dimensions, output targets and downstream bag-making requirements determine the final configuration. Custom options are available to match specific production specifications.

Dual Film Output
Two die heads produce separate film outputs within one machine system. This arrangement suits narrow-width film production where both outputs can run under compatible process conditions.

Separate Winding
Each film output is handled by its own winding unit. Roll width, winding tension and roll diameter can be specified according to the intended converting process.

Integrated Layout
Extrusion, cooling, haul-off and winding are arranged within one production line. The machine footprint and auxiliary equipment layout can be assessed against available installation space.

Configurable Equipment
Die heads, winding units and auxiliary devices can be selected according to the required film format, material and production process.

Shopping Bag Film: Produces polyethylene film for shopping bags. Film dimensions should match bag size, sealing requirements and downstream converting equipment.

T-Shirt Bag Film: Suitable for narrow-width film used in T-shirt bag production. Confirm the required film width, thickness and roll format before configuration.

Garbage Bag Film: Supports production of polyethylene film for garbage bags. Resin grade and thickness are selected according to the required finished product specifications.

Packaging Film: Can be configured for selected polyethylene packaging applications following confirmation of material compatibility and film requirements.

Resin Compatibility: The listed configuration specifies LDPE. Other polyethylene grades and recycled formulations require technical review to confirm processing suitability.

Film Thickness: Specify the target thickness and permitted tolerance. These values guide extrusion settings, cooling requirements and film quality checks.

Film Width: Provide the required width for each output. Die dimensions, haul-off settings and winding arrangements must suit the intended film format.

Production Target: State the required output in kilograms per hour and the planned operating schedule. Capacity should be assessed against the specified resin and finished film dimensions.

Extrusion System
Screw diameter, screw design and drive settings can be reviewed against resin properties and the required production rate.

Die Heads and Cooling
Die dimensions and cooling arrangements are selected according to film width, thickness and bubble stability requirements.

Winding and Auxiliary Equipment
Options may include a double winder, automatic roll changer, rotary die, corona treatment unit, screen changer, automatic loader and dosing equipment. Availability and compatibility depend on the selected machine configuration.

Electrical Configuration
Voltage, frequency, phase and control requirements can be assessed against the installation location before order confirmation.

Extrusion Control
Temperature settings, screw speed and material feeding affect melt delivery and film formation. Process parameters should be established for the selected resin and film specification.

Cooling and Haul-Off
Cooling airflow and haul-off speed influence bubble stability, film thickness and dimensional consistency. These settings should be checked during trial production.

Winding Quality
Winding tension, alignment and roll diameter affect roll formation and handling during bag conversion. Trial runs should verify the agreed roll specifications.

Acceptance Testing
Define the test material, target film dimensions, thickness tolerance and output requirements before acceptance. Test results should be evaluated against the agreed technical specification.

Factory Layout: Confirm installation space, machine access, roll-handling clearance and auxiliary equipment locations before finalizing the layout.

Utility Requirements: Verify the electrical supply and required utility connections against the selected configuration.

Technical Information: Provide resin grade, film width, thickness, output target, roll dimensions and downstream bag-making requirements. These details support machine selection and quotation preparation.

Specification Confirmation: Document machine configuration, included accessories, optional equipment, electrical requirements and agreed production targets before manufacturing.

Assembly and Testing: Arrange assembly inspections and trial production according to the agreed acceptance criteria. Film samples can be checked against the specified dimensions and quality requirements.

Export Preparation: Confirm packing dimensions, shipment arrangements, operating instructions, installation guidance and spare parts requirements before dispatch.

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