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High Speed Double Lines Roller Bag Making Machine - High Speed Double Lines Roller Bag Making Machine

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High Speed Double Lines Roller Bag Making Machine

This machine is double lines hot sealing and perforation for bag semi-auto rewinding. Designed for bag-on-roll bags with paper or PVC core production. It’s manual film-break and core-change functions. I Semi-automatic bag on roll can make big diameter size roll which is over 180mm.

Max. Bag Width

350mmX2

Producing Length

300-600mm

Max. Producing Speed

300pcs/min

Main Technical Parameters

Model	GDFR-400X2	GDFR-500X2
Max. Bag Width	350mmX2	450mmX2
Producing Length	300-600mm	300-600mm
Max. Producing Speed	300pcs/min	300pcs/min
Film Thickness	0.010-0.030mm	0.010-0.030mm
Total Power	11kW	11kW
Max. Upload Film Roll Size	800mm	800mm

Performance and Features

This machine is hot sealing and perforation for bag rewinding, which are suit for printing and non-printing bag making. The material of bag is LDPE, HDPE and recycle materials. Designed for bag-on-roll bags with paper or PVC core production. It’s manual film-break and core-change functions. Its two servo motors control system make producing more stable. Semi-automatic bag on roll can make big diameter size roll which is over 180mm.

Double independent servo-driven bag feeding motors are easy to control production length of each line.
Equipped the multi auto alarms with automatic stop design.
Built-in multi-language system including Chines, English, Spanish, Arabic, Russian, and Turkish.
Patent design cutting and sealing knife for HDPE, LDPE, PLA, and PBAT (biodegradable) materials.
Exclusive design of auto tension control by cylinders brake system of unwinding system.

Manufacturing Process

Core bag on roll — seal, perforate and rewind with paper/PVC core

Unwinding

Feeds jumbo film from the unwind stand with tension control and EPC tracking for stable, wrinkle-free material supply.

Sealing & Perforation

Bottom-seals each bag and adds perforation between bags for roll or coreless formats.

Rewinding

Winds perforated bags onto paper or PVC cores with controlled tension and uniform roll geometry.

Applications & Industries We Serve

Every Lingfeng plastic bag making machine is built around a real production goal. Below are the most common bag types and industries this equipment serves ?from high-volume retail to specialized, eco-friendly formats. Tell us your application and our engineers will match the right machine configuration.