Numerical Investigation of the Rock Cutting Performance of a Circular Sawblade

Table 3

The regression results to predict the specific cutting energy.

Variables	Cutting parameters	Regression equation	Correlation coefficient	F value	value
SE-CD	RS = 1000 r/min	y = 0.00246x^2 − 0.04554x + 0.42847	0.89530	602.2663	1.2383E – 4
SE-CD	RS = 2000 r/min	y = 0.0024x^2-0.05062x + 0.49967	0.95913	1556.879	2.8962E – 5
SE-CD	RS = 3000 r/min	y = 0.00567x^2 − 0.07476x + 0.58671	0.99008	7631.371	2.7548E – 6
SE-DD	FS = 0.3 m/min	y = −0.000128x^2 + 0.01443x + 0.30879	0.95239	3850.399	1.0724E − 8
	RS = 2000 r/min

SE = specific energy, CD = cutting depth, DD = distance between the double circular sawblades