SNW 450×2 Automatic winder High Speed Roll Bag Making Machine ( roll bag with core)

Sinowin’s Dual-Lane Fully Automatic High-Speed Rolling Bag Making Machine with Core is a top-tier, heavy-duty industrial solution designed for the continuous, non-stop production of core-rolled bags. Utilizing an advanced dual-lane tracking system, this high-performance machine processes two film rolls simultaneously, delivering an exceptional production output with precise heat-sealing and hot-cutting technology. Fully integrated with an intelligent automatic core-feeding, rewinding, and roll-changing mechanism, it completely eliminates manual rewinding labor, transforming raw film into perfect, store-ready rolled bags on paper or plastic cores with unparalleled efficiency.

Bag Width

200-400mm×2

Max. Bag Length

300-800mm×2

Bag-cutting Thickness

0.005mm-0.03mm

Bag-cutting Speed

80-230pcs/min×2

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Characteristic

* Dual-Lane Synchronized Mass Production

Features a heavy-duty dual-track mechanical layout that allows two independent film lines to be sealed, cut, and rolled at the same time, doubling your capacity and optimizing plant floor space.

* High-Speed Hot Cutting & Point-Break Perforation

Equipped with a specialized high-frequency heat sealing bar and a high-precision perforation blade, ensuring robust bottom seals and clean, easy-tear point-break lines at top speeds.

* Flawless Fully Automatic Roll & Core Changer

Integrates a fully automated rolling unit that executes core feeding, film wrapping, automatic cutting/splitting, and finished roll ejection without a single pause or manual intervention.

* Precision Multi-Axis Servo & PLC Integration

Driven by independent premium servo motors for unmatched tension and length control on both tracks, managed by an intuitive digital touchscreen PLC panel with real-time error diagnostics.

Use

* Supermarket Produce & Fresh-Keeping Roll Bags

The ultimate premier machinery choice for high-volume manufacturing of standard food-grade fruit and vegetable counter roll bags, meat packaging rolls, and deli sacks.

* Household & Commercial Core-Rolled Garbage Bags

Perfect for the continuous, rapid mass-production of high-demand trash liners on cores, drawstring kitchen garbage rolls, and janitorial waste sacks.

* Specialized Medical & Industrial Disposable Rolls

Ideal for manufacturing medical-grade disposable waste bag rolls, continuous protective equipment covers, and industrial small-width flat bag rolls.

Main Technical Parameters

型号	Model	SNW-GS450×2
制袋宽度	Bag Width	200-400mm×2
最大制袋长度	Max. Bag Length	300-800mm×2
制袋厚度（单层）	Bag-cutting Thickness (one layer)	0.005mm-0.03mm
制袋速度	Bag-cutting Speed	80-230pcs/min×2
主电机功率	Main Motor	2.0KW
长度误差	Error in Length	±1mm
驱动系统	Driving System	3.0KW ×2 Servo driving
换卷模式	Roll-change mode	Automatic (Separate left and right, count independently)
袋子形式	Bag type	With core
成品卷直径	Max Diameter of final roll	100mm
成品卷宽度	Width of final roll	150-400mm
其他	Other	With EPC
机器重量	Weight	2500KG
外形尺寸	Dimension	7.0m×2.2m×1.9m