Right Feed Rate	Produce best chip load with the right feed-rate.
	Only the perfect relation between feed rate and cutting speed provides ideal chip formation and productive cutting operation. The feed rate, converted to cutting rate (Ps in cm²/min) is calculated acc. to the following formula:
	Psmax. = Vc(1,54 – 1,13 x lg.-tpi.) Psmax. = maximum cutting rate (cm²/min) Vc = cutting speed (m/min) lg.-tpi. = logarithm of toothing (tpi)	tpi logarithm 0,75/1,25 0 1,25 0,097 1/2 (1,5) 0,176 2 0,301 2/3 (2,5) 0,398 3 0,477 3/4 (3,5) 0,544 4 0,602 4/6 (5,0) 0,699 6 0,778 5/8 (6,5) 0,813 8 + 6/10 0,903 10 + 8/12 1,000 10/14 (12,0) 1,079 14 1,146
	The exercise factor – short cutting times. To evaluate calculated data for daily practic, cutting rates can be converted into cutting times. th = S / Ps th = cutting time (min) S = cut surface (cm²) Ps = cutting rate (cm²/min)