291751 291752 291753 1393 = 5 mm = 6 mm = 8 mm = 10 mm = 12 mm = 16 mm = 20 mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm 9,554 1,911 0.025 7,962 1,911 0.030 5,971 1,959 0.041 4,777 1,959 0.051 3,981 1,959 0.062 2,986 1,959 0.082 2,389 1,959 0.103 9,554 1,529 0.020 7,962 1,529 0.024 5,971 1,567 0.033 4,777 1,567 0.041 3,981 1,567 0.049 2,986 1,567 0.066 2,389 1,567 0.082 = 5 mm = 6 mm = 8 mm = 10 mm = 12 mm = 16 mm = 20 mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm 22,293 2,675 0.015 18,577 2,675 0.018 13,933 2,675 0.024 11,146 2,675 0.030 9,289 2,675 0.036 6,967 2,675 0.048 5,573 2,675 0.060 23,567 3,205 0.017 19,639 3,142 0.020 14,729 3,064 0.026 11,783 3,017 0.032 9,820 3,142 0.040 7,365 3,064 0.052 5,892 3,064 0.065 19,108 1,987 0.013 15,924 2,038 0.016 11,943 2,102 0.022 9,554 2,140 0.028 7,962 2,038 0.032 5,971 2,102 0.044 4,777 2,102 0.055 11,465 1,101 0.012 9,554 1,146 0.015 7,166 1,146 0.020 5,732 1,146 0.025 4,777 1,146 0.030 3,583 1,146 0.040 2,866 1,146 0.050 16,561 1,855 0.014 13,800 1,965 0.018 10,350 1,946 0.024 8,280 1,921 0.029 6,900 1,932 0.035 5,175 1,946 0.047 4,140 1,954 0.059 14,331 5,847 0.051 11,943 5,852 0.061 8,957 5,822 0.081 7,166 5,876 0.103 5,971 5,852 0.123 4,479 5,822 0.163 3,583 5,876 0.205 17,516 5,745 0.041 14,597 5,722 0.049 10,947 5,693 0.065 8,758 5,745 0.082 7,298 5,722 0.098 5,474 5,693 0.130 4,379 5,745 0.164 = 5 mm = 6 mm = 8 mm = 10 mm = 12 mm = 16 mm = 20 mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm n min–1 Vf mm/min fz mm 25,478 4,892 0.024 21,231 4,892 0.029 15,924 4,892 0.038 12,739 4,892 0.048 10,616 4,892 0.058 7,962 4,892 0.077 6,369 4,892 0.096 26,752 5,992 0.028 22,293 5,707 0.032 16,720 5,618 0.042 13,376 6,206 0.058 11,146 5,662 0.064 8,360 5,484 0.082 6,688 5,618 0.105 15,924 2,739 0.022 13,270 2,707 0.026 9,952 2,667 0.034 7,962 2,707 0.043 6,635 2,707 0.051 4,976 2,667 0.067 3,981 2,707 0.085 11,465 1,834 0.020 9,554 1,834 0.024 7,166 1,834 0.032 5,732 1,834 0.040 4,777 1,834 0.048 3,583 1,834 0.064 2,866 1,834 0.080 16,561 3,113 0.024 13,800 3,146 0.029 10,350 3,105 0.038 8,280 3,113 0.047 6,900 3,146 0.057 5,175 3,146 0.076 4,140 3,146 0.095 22,293 14,490 0.081 18,577 14,490 0.098 13,933 14,490 0.130 11,146 14,490 0.163 9,289 14,490 0.195 6,967 14,490 0.260 5,573 14,490 0.325 22,293 11,592 0.065 18,577 11,592 0.078 13,933 11,592 0.104 11,146 11,592 0.130 9,289 11,592 0.156 6,967 11,592 0.208 5,573 11,592 0.260 Recommended cutting Vc = Cutting speed (m/min) Vf = Feed rate (mm/min) fz = Feed per tooth (mm) ae = Width of cut (mm) ap = Depth of cut (mm) n = rpm 11 Index 10 9 OIL 8 7 6 5 4 3 2 1
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