Mahamaya Greens

Paper & Packaging

MULTI EDGE BOTTOM

Multi edge bottom knives are advanced cutting tools designed with multiple usable cutting edges, allowing for extended usage and enhanced efficiency in industrial slitting and cutting operations. These knives are specifically engineered to deliver high precision, durability, and cost-effectiveness by enabling multiple reuses through edge rotation.

Manufactured from premium-grade tool steel or alloy steel, multi edge bottom knives undergo precise heat treatment and grinding processes to achieve superior hardness, wear resistance, and dimensional accuracy. Each edge is finely finished to ensure clean, burr-free cuts across various materials such as paper, plastic films, metal foils, rubber, and textiles.

The multi-edge design allows operators to rotate the knife when one edge becomes worn, significantly increasing tool life and reducing downtime for replacements. This feature not only improves productivity but also lowers operational costs.

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Technical Features

  • Multi-Edge Design
    Equipped with multiple cutting edges, allowing rotation and reuse to extend tool life and reduce replacement frequency.
  • Premium Material Composition
    Manufactured from high-grade tool steel, alloy steel, or HSS for superior strength, toughness, and durability.
  • Advanced Heat Treatment
    Controlled hardening and tempering processes ensure optimal hardness, wear resistance, and resistance to chipping.

Applications

  • Paper & Packaging Industry
    Used for slitting and trimming paper rolls, corrugated sheets, and packaging materials with high precision and extended tool life.
  • Plastic & Film Industry
    Ideal for cutting plastic films, laminates, BOPP, PET, and other flexible materials with clean, consistent edges.
  • Metal Processing Industry
    Applied in slitting thin metal strips, aluminum foils, and steel coils, ensuring burr-free and accurate cuts.

Specifications

  • Material Grade: Tool Steel (D2, D3), Alloy Steel, HSS, Carbide (optional)
  • Hardness Range: Typically 55–62 HRC (customizable as per application)
  • Outer Diameter (OD): 50 mm to 500 mm (or as required)
  • Inner Diameter (ID): Custom bore sizes as per machine shaft
  • Thickness: 3 mm to 25 mm (depending on design and edge configuration)
  • Number of Edges: 2, 3, 4, or multiple cutting edges as per requirement

Advantages

  • Multiple cutting edges allow rotation, significantly increasing tool life and usability
  • Reduces downtime by enabling quick edge change without immediate replacement
  • Cost-effective solution due to extended usage of a single knife
  • Ensures consistent and precise cutting performance across all edges
  • High wear resistance for long-lasting sharpness in demanding applications

High Precision

  • Ensures consistent cutting accuracy across all edges for uniform and reliable performance
  • Delivers clean, burr-free cuts with minimal variation in high-speed operations
  • Maintains precise alignment with top knives for smooth and stable cutting
  • Provides repeatable results even after multiple edge rotations and extended use
  • Achieves tight tolerances ensuring consistent precision across different materials and applications
  • Minimizes vibration during operation, resulting in smoother cuts and improved edge quality