An Improved Mathematical Model of Cutting Temperature in End Milling Al7050 Based on the Influence of Tool Geometry Parameters and Milling Parameters

Table 1

Fitting accuracy of each method.

	Fitting accuracy
	Polynomial	Exponential	Linear	Logarithm
Tool diameter	0.9975	0.9405	0.969	0.9879
Blunt radius	0.938	0.9376	0.934	0.855
Helix angle	0.9821	0.9347	0.934	0.8404
Rake angle	0.9545	0.9446	0.951	0.8946