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Cnc Digital Cutter And Cutting System Carbide Engraving Tool Knife Blades

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Cnc Digital Cutter And Cutting System Carbide Engraving Tool Knife Blades

CNC digital cutting systems and CNC digital flatbed cutting systems ,Tungsten carbide knife blades are the most essential consumable.Because they are made of submicron-grade high-purity ultrafine tungsten carbide, these blades have extremely high red hardness and wear resistance, and their lifespan is several times that of ordinary high-speed steel (HSS). They can maintain a clean, burr-free cut in high-speed, continuous industrial cutting.

These cutting blades are mainly divided into the following four core specifications based on the different drive methods and process requirements of CNC cutting tool heads :

1. Oscillating Knife Blades

Used in conjunction with an EOT (electric vibratory tool) or POT (pneumatic vibratory tool) . The blade penetrates and cuts materials through high-frequency up-and-down reciprocating vibration (similar to micro-sawing), and is commonly used for medium to high density, thick, soft materials.

Physical form: Usually a flat-stock handle with serrations or a sharp, flat edge.
Applicable materials: corrugated cardboard boxes, honeycomb boards, pearl cotton (foam sponge), rubber, thick leather, car floor mats.
Typical models: Zund Z16 (7.4mm depth) , Zund Z21 , and the Zund Z68 flat vibrating blade specifically for cutting sandwich materials .

2. Drag Knife Blades

It is installed in a non-powered machine head that is not energized. The tool tip has an offset relative to the central axis. When the CNC gantry moves forward, the tool automatically and passively changes direction due to the physical resistance of the material .

Physical form: It is divided into two types: round-stock (e.g., Ø3mm) and flat-stock.
Applicable materials: self-adhesive stickers, reflective film, cardboard, PVC signage lightbox fabric, thin plastic sheets.
Typical models include the classic Zund Z1 (Ø3mm diameter drag blade) , the double-edged Zund Z10 , and the Carbide 3D Stingray drag blade for high-precision signage .

3. V-Cut grooving cutters and bevel engraving blades

Used for cutting V-grooves (such as 15°, 30°, 45°, 90°) into thick cardboard or composite boards so that the material can be folded and assembled with high precision or to form chamfered edges.

Physical characteristics: It has a special beveled cutting edge and an extremely thick cutting edge (usually 1.5mm) to ensure that the blade does not bend or deform when cutting deep.
Applicable materials: corrugated cardboard boxes (for prototyping), honeycomb cardboard, grey board, advertising KT board.
Typical model: Summa/Zünd compatible Z71 V-Cut 90° blade .

4. Driven Rotary Blades

Used in conjunction with DRT (motor-driven rotary tool) . The blade itself is a tungsten carbide disc (usually decagonal or polygonal), which is driven by a motor to rotate at high speed, rolling and cutting the material like a cutting wheel. [1, 2, 3]

Physical form: Circular or decagonal multi-edged tungsten carbide discs.

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