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High Precision Heat Treated Full Half Star Serrated Cutting Blade for Automatic Food Packaging and Sealing Machines

High Precision Full‑Star & Half‑Star Thermoforming Punch Blades for Food Tray and Container Manufacturing


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renxing blade

This high precision heat treated full half star serrated cutting blade is a specialized industrial cutting component exclusively designed for automatic food packaging and sealing machines. Crafted with strict heat treatment process and precision machining, it features a unique full half star serrated edge, outstanding sharpness, wear resistance and cutting stability, delivering consistent, burr-free cutting performance for various food packaging materials. Engineered for long-term continuous operation, it serves as a reliable replacement and core accessory for automated food packaging production lines, effectively boosting packaging efficiency and ensuring neat sealing and cutting effects.

half full star packaging blade Industrial Packaging Blade

Product Description

2.1 Precision Engineering

Manufactured to tight tolerances for accurate fit in most thermoforming machines
Optimized full‑star and half‑star profiles for clean, burr‑free punching
Sharp, uniform cutting edges for consistent forming results

2.2 High‑Grade Material & Durability

Made from high‑hardness tool steel for excellent wear resistance
Heat‑treated for enhanced toughness and extended service life
Resists deformation under continuous high‑speed punching cycles

2.3 Application‑Specific Design

Full‑star blades for secure tray‑lid locking points
Half‑star blades for easy‑open tear‑off notches and partial locking features
Suitable for various plastic materials including PP, PET, and PS

2.4 Customization & Compatibility

Available in standard and custom sizes to match different machine models
Custom profiles and dimensions can be made according to your drawings
Compatible with most major thermoforming packaging equipment

3. Typical Applications

Punching and forming locking points on food trays, ready‑meal containers, and lids
Creating tear‑off notches and easy‑open features on thermoformed packaging
Forming functional patterns for vacuum and modified atmosphere packaging lines
High‑volume production of disposable food packaging in meat, deli, and prepared food industries