The Bottomer Machine YD-2818 is a state-of-the-art industrial equipment designed for precision bottom pasting and valve port creation in paper bag manufacturing. Engineered to deliver high efficiency and flexibility, this machine supports the production of paper bags with widths ranging from 300mm to 600mm and bottom widths from 90mm to 180mm. With a maximum output speed of 300 pieces per minute, it ensures rapid, consistent production while accommodating diverse functional and design requirements through modular customization.

Key Features & Functional Components
The YD-2818 comprises 14 core components, each contributing to its advanced functionality. Users can select optional modules based on specific bag design needs, ensuring cost-effective adaptability. Below is an overview of its primary units:

  1. Rotary Feeder Unit: Ensures smooth, continuous feeding of paper tubes.
  2. Tube Aligner: Detects and ejects misaligned tubes to maintain production accuracy.
  3. Diagonal Creasing & Bottom Opening: Performs creasing, center alignment, and bottom opening for seamless shaping.
  4. First Valve Port Position: Integrates thumb-cutting and material dislocation functions, supporting valve lengths of 90–270mm.
  5. Second Valve Port Position (Optional): Adds flexibility for dual-valve designs (90–270mm).
  6. Inside Valve Patch (Optional): Reinforces internal valve areas with patches spanning 200–400mm.
  7. Bottom Pasting & Capping: Applies adhesive and secures the base with precision.
  8. Bottom Closing/Forming: Shapes and seals the bag bottom for structural integrity.
  9. Outside Bottom Patch (Optional): Enhances durability with external reinforcement (200–450mm).
  10. Bottom Turning Unit: Reorients bags for downstream processes.
  11. Large S Bag Pressing System: Flattens bags and ensures even glue distribution.
  12. Counting & Stacking Unit: Automates output organization for streamlined packaging.
  13. Bottom Printing Paper Roller Stand: Supports optional bottom branding or labeling.
  14. Centralized Electric Cabinet: Houses controls for seamless operation and monitoring.

Technical Specifications

  • Speed: 250–300 pcs/min
  • Bag Dimensions:
    • Width: 300–600mm
    • Length: 410–1300mm
    • Bottom Width: 90–180mm
    • Center Distance: 200–1000mm
  • Machine Dimensions (L×W×H): 36m × 5m × 3.1m
  • Total Power Consumption: 50kW
  • Weight: 40 tons

Advantages for Industrial Applications
The YD-2818 excels in high-volume production environments, combining speed with precision to reduce material waste and downtime. Its modular design allows manufacturers to tailor configurations for specialized bag types—such as valve pouches, flat-bottom bags, or reinforced packaging—without investing in multiple machines. Optional features like dual valve ports, internal/external patches, and printing compatibility further enhance its versatility, making it ideal for industries requiring scalable, adaptable paper bag solutions.

As a robust, customizable solution for paper bag production, the Bottomer Machine YD-2818 sets a benchmark in automation and efficiency. By integrating advanced functionalities with user-configurable modules, it empowers manufacturers to meet diverse market demands while optimizing productivity and operational costs. Whether for food packaging, industrial materials, or retail applications, this machine delivers reliability and precision at industrial-scale outputs.

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