Tungsten Carbide Cutting Knife Blades(TC Knife Blade) - China Manufacturers, Suppliers, Factory

Tungsten Carbide Blades Manufacturing Overview

If you're interested in the production process, here's a simplified outline:

1. Raw Materials Preparation

   • Tungsten powder (W) is mixed with carbon black to form tungsten carbide (WC).

   • A binder metal, typically cobalt (Co), is added to hold the carbide grains together.

2. Mixing and Milling

   • Powders are ball-milled with a binding agent and drying additives.

   • This forms a homogenous powder mixture.

3. Pressing/Forming

   • The powder is compacted into a “green compact” using cold pressing (or extrusion for some shapes).

   • Isostatic pressing may also be used for uniform density.

4. Pre-Sintering

   • Light heating removes binders and increases strength without full densification.

5. Sintering

   • The compact is sintered at 1,400–1,600°C in a vacuum or controlled atmosphere.

   • This creates a dense, hard carbide structure.

6. Finishing

   • Grinding, EDM (electrical discharge machining), and sometimes coating (e.g., TiN, TiAlN) for sharper, wear-resistant edges.

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