Tungsten Carbide Cutting Tool Edge Passivation Case

The extremely sharp and smooth enough neat cutting edge machining to have a specific, smooth shape, and edge rounding mostly waterfall edge, this process is called edge passivation. tungsten carbide cutting tool edge passivation change the contours of the cutting edge and morphology, but also to improve the microstructure of the blade surface area, thereby affecting the cutting process, tool performance and workpiece quality. tungsten carbide cutting tool edge passivation impact, affecting mainly the following aspects: the distribution of cutting temperature, the size distribution of cutting force, stress and strain, and chip formation and chip flow, deformation region of the workpiece, the workpiece surface integrity (residual stress), the machined surface roughness, surface hardening process and tool wear resistance.

Edge passivation tungsten carbide cutting tools for working efficiency has an important role in the following cases generally require the tool edge passivation:
1. The new sharpening of tungsten carbide cutting tools or regrinding of tungsten carbide cutting tools.
2. Prior to the tungsten carbide coating.
3. When the impact of heavy-duty cutting or cutting edge tungsten carbide cutting tools needed to passivation.




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