Numerical Simulation of Rock Cutting with a Diamond Sawblade Based on LS-DYNA

Table 2

Regression results to predict the diamond sawblade performance.

Variables	Cutting parameter	Regression equation	Correlation coefficient	F-value	value
SE-FS	Cutting depth of 1 cm	y = 11.42824x^2 − 2.02953x + 0.61463	0.98417	125.30464	5.7e^−4
SE-FS	Cutting depth of 3 cm		0.99322	293.83917	1.8e^−4
SE-FS	Cutting depth of 5 cm		0.92829	26.88862	0.00134
SE-FS	Cutting depth of 7 cm		0.97888	93.69311	2.7e^−4
SE-FS	Cutting depth of 9 cm		0.99464	372.24357	9.1e^−5
SE-RS	Cutting depth of 1 cm		0.92196	48.25547	0.00282
SE-RS	Cutting depth of 3 cm		0.92214	48.37552	0.00219
SE-RS	Cutting depth of 5 cm		0.96328	105.91909	9.5
SE-RS	Cutting depth of 7 cm		0.87846	29.91088	0.00325
SE-RS	Cutting depth of 9 cm		0.92743	52.12186	0.00171

SE = specific energy; FS = feed speed; RS = rotation speed.