Vertical Three-Side Sealing Rotary Knife 120 Flat Blade & 120 Sawtooth Blade for VFFS Packaging Machines – High-Speed Precision Cutting Solution
Vertical Three-Side Sealing Rotary Knife 120 Flat Blade & 120 Sawtooth Blade for VFFS Packaging Machines – High-Speed Precision Cutting Solution
These versatile cutting tools are widely used across food packaging (fresh and dry food, condiments, sauces), medical packaging, pharmaceutical tablets, daily chemicals, and film converting industries. The Vertical Three-Side Sealing Rotary Knife 120 series is compatible with major VFFS machine brands and features a T-slot rail design for quick, tool-free installation and replacement. Available in both flat and sawtooth configurations, these blades accommodate diverse packaging materials including PE, PP, PET, aluminum foil composites, and biodegradable films. The sawtooth variant excels at cutting through challenging materials with its optimized wave tooth or zigzag profile, while the flat blade delivers precision straight cuts for standard applications. By investing in high-quality replacement rotary knives, packaging operations can significantly improve production efficiency, reduce material waste, and maintain superior package quality across high-speed automated line
Description
High-Performance Vertical Three-Side Sealing Rotary Knife 120 Flat Blade / 120 Sawtooth Blade – Wear-Resistant Cutting Tool for Automated Packaging Lines
The Vertical Three-Side Sealing Rotary Knife 120 Flat Blade and 120 Sawtooth Blade are precision-engineered cutting components designed for vertical form fill seal (VFFS) packaging machines. These industrial packaging knives are essential for producing clean, uniform cuts on three-side sealed pouches, sachets, and bags. The flat blade variant delivers low-speed straight cutting ideal for horizontal sealing applications, while the sawtooth (serrated) blade provides enhanced cutting performance for thicker or more resistant packaging films, preventing stringing and ensuring a flawless finish. Manufactured from high-quality hardened tool steels and stainless steel such as 440C, 420J2, and high-carbon steel, these blades offer exceptional wear resistance, corrosion protection, and extended service life of 6–12 months under normal operating conditions. With high-precision grinding ensuring edge flatness within ≤0.01mm and hardness reaching HRC 54–59, these rotary knives are the preferred replacement choice for packaging manufacturers seeking consistent cutting accuracy and minimal downtime
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