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FAQ
What are the advantages of using cemented carbide tools?
As cemented carbide is characterized by its resistance to loss of hardness at high temperatures, its performance is not easily deteriorated even when used for machining at high speed that cause tools to have high temperatures.
Q&A in the same category in this question
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What is the hardness of cemented carbides?
Generally, hardness can range from HRA88 to HRA92.
Higher hardness increases wearing resistance, but decreases impact resistance making it more prone to chipping. -
Why does the amount of Co and WC particle size affect the thickness of the heat affected layer?
It is thought that when Co is in large quantities the fusing point is lowered, which increases the amount that melts and thickening the damaged layer.
It is also thought that when WC particle size is small, the material becomes easier to melt due to the volume effect, which thickens the damaged layer. -
What kind of cemented carbide is used as cutting tools?
The material of cemented carbide to be selected depends on the workpiece and its thickness, etc. In general, for use as a cutting tool, ultrafine grain cemented carbide, which consists of ultrafine tungsten carbide (WC) particles, is often selected to increase cutting ability and to prevent chipping.
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