The PE film sleeve packaging line for bottles is an automatic system designed to apply and shrink polyethylene film around individual bottles or grouped containers. It is widely used in the beverage, dairy, personal care, and household chemical industries to create stable, attractive multipacks or single-bottle wraps suitable for transport, storage, and retail display.The line typically begins with an infeed conveyor that receives bottles from an upstream filling or labeling system. Bottles are automatically aligned and spaced to ensure consistent feeding. A bottle sorting and collating unit can be included to arrange products into required group formats, such as 2×3, 3×4, or 4×6 packs, depending on production requirements. This process is fully automated to reduce manual handling and increase efficiency.Once the bottles are correctly positioned, they move to the film wrapping section. A roll of PE shrink film is mounted on a film carriage, and an automatic film feeding mechanism draws the film into place. As the bottles pass through, the film is wrapped around them and cut by a sealing and cutting device. This device uses a heated sealing bar or knife to create a strong, neat seal while cutting the film to the exact length needed. The result is a loose film envelope around the bottles, open at the sides or ends depending on the packaging style.The partially wrapped packs then enter the shrink tunnel, which is a key component of the line. Inside the tunnel, hot air is circulated at controlled temperatures. Under this heat, the PE film shrinks tightly around the bottles, conforming to their shape and locking them together as a stable unit. Adjustable temperature, conveyor speed, and air flow settings allow the line to handle different bottle sizes, film thicknesses, and packaging formats. Proper shrinkage ensures both product protection and an attractive, wrinkle-free finish.At the tunnel exit, a cooling section or ambient cooling zone helps the film set firmly. The finished packs are then transferred to an outfeed conveyor for downstream operations such as automatic carton loading, palletizing, or direct distribution. Throughout the line, sensors and control systems monitor bottle flow, film position, temperature, and sealing quality. An integrated PLC with a touch-screen interface allows operators to set parameters, store recipes for different products, and quickly change over between formats with minimal downtime.The automatic PE film sleeve packaging line offers several advantages: high packing speed, reduced labor cost, consistent packaging quality, and flexible adaptation to various bottle shapes and sizes. Its compact layout can be integrated into existing production lines, and safety guards and emergency stops are included to protect operators. Overall, this type of line provides a reliable, cost-effective solution for modern bottle packaging operations.