In the simplified formula of Taylor curve (Vc*Tn=C), in relation to the exponent n, it is true that when the value of n is higher (for example 0,4 instead of 0,3), the material of the tool is more sofisticated (ceramic instead of hard metal)? Which is the reason for this?
Remember that this exponent value is the slope of the Taylor straigth line, when the formula above is put in double logaritmic shape?
Petr M. Pivkin
The reason for this is the thermal resistance of the cutting tool. The higher the heat resistance may work the tool at high speeds. But this formula does not take into account many important parameters such as feed, depth of cut, tool coating, coolant, etc......
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