8 切削条件参考表 Recommended Conditions 被削材 Work Material 調質鋼 Prehardened Steels HPM・NAK （～42HRC） 外径 Dia. コーナ 半径 Corner Radius 首角 Neck Taper Angle 首下長 Under Neck Length 外径と 首下長 の比 L/D 荒取り加工 Roughing 取り残し加工 Stock removal (Inner Corner) 回転数 Spindle Speed 送り速度 Feed 切込み量 Depth of Cut 残し代 Stock Allowance 切りくず排出量 Material Removal Rate 回転数 Spindle Speed 送り速度 Feed 切込み量 Depth of Cut 残し代 Stock Allowance min-1 mm/min ap mm ae mm mm mm3/min min-1 mm/min ap mm ae mm mm 0.2 R0.03 1° 1 5 30,000 4100.0050.05 0.007 0.1 30,000 330 0.004 0.04 0.007 1.5 7.5 30,000 260 0.004 0.05 0.005 0.05 30,000 210 0.003 0.04 0.005 2 10 30,000 190 0.004 0.05 0.005 0.04 30,000 150 0.003 0.04 0.005 3° 1.5 7.5 30,000 370 0.005 0.05 0.007 0.09 30,000 300 0.004 0.04 0.007 2 10 30,000 300 0.005 0.05 0.007 0.08 30,000 240 0.004 0.04 0.007 R0.05 1° 1 5 30,000 410 0.007 0.05 0.009 0.14 30,000 330 0.005 0.04 0.009 1.5 7.5 30,000 260 0.006 0.05 0.007 0.08 30,000 210 0.004 0.04 0.007 2 10 30,000 190 0.005 0.05 0.005 0.05 30,000 150 0.003 0.04 0.005 3° 1.5 7.5 30,000 370 0.007 0.05 0.009 0.13 30,000 300 0.005 0.04 0.009 2 10 30,000 300 0.006 0.05 0.007 0.09 30,000 240 0.005 0.04 0.007 0.3 R0.03 1° 1.5 5 30,000 520 0.011 0.1 0.009 0.57 30,000 420 0.008 0.08 0.009 2 6.7 30,000 4000.008 0.1 0.008 0.32 30,000 320 0.006 0.08 0.008 3 10 30,000 300 0.005 0.1 0.006 0.15 30,000 240 0.004 0.08 0.006 3° 2 6.7 30,000 520 0.011 0.1 0.009 0.57 30,000 420 0.008 0.08 0.009 3 10 30,000 4200.008 0.1 0.008 0.34 30,000 340 0.006 0.08 0.008 R0.05 1° 1.5 5 30,000 5200.015 0.1 0.011 0.78 30,000 4200.011 0.08 0.011 2 6.7 30,000 400 0.011 0.1 0.009 0.44 30,000 320 0.008 0.08 0.009 3 10 30,000 300 0.008 0.1 0.006 0.24 30,000 240 0.006 0.08 0.006 3° 2 6.7 30,000 5200.015 0.1 0.011 0.78 30,000 4200.011 0.08 0.011 3 10 30,000 420 0.011 0.1 0.01 0.46 30,000 340 0.009 0.08 0.01 0.5 R0.05 1° 4 8 30,000 800 0.016 0.16 0.012 2.05 30,000 640 0.012 0.128 0.012 5 10 26,300 680 0.013 0.16 0.01 1.41 21,000 5400.01 0.128 0.01 6 12 25,600 610 0.011 0.16 0.008 1.07 20,500 490 0.008 0.128 0.008 8 16 24,500 5200.0080.12 0.005 0.5 20,500 420 0.006 0.096 0.005 10 20 23,800 310 0.006 0.08 0.004 0.15 19,000 2500.004 0.064 0.004 3° 5 10 30,000 860 0.019 0.16 0.014 2.61 24,000 690 0.014 0.128 0.014 8 16 30,000 790 0.015 0.16 0.011 1.9 24,000 630 0.012 0.128 0.011 10 20 30,000 760 0.014 0.16 0.01 1.7 24,000 610 0.011 0.128 0.01 R0.1 1° 4 8 30,000 800 0.016 0.16 0.012 2.05 24,000 640 0.012 0.128 0.012 5 10 26,300 680 0.013 0.16 0.01 1.41 21,000 5400.01 0.128 0.01 6 12 25,600 610 0.011 0.16 0.008 1.07 20,500 490 0.008 0.128 0.008 8 16 24,500 5200.0080.12 0.005 0.5 19,600 420 0.006 0.096 0.005 10 20 23,800 310 0.006 0.08 0.004 0.15 19,000 2500.004 0.064 0.004 3° 5 10 30,000 860 0.019 0.16 0.014 2.61 24,000 690 0.014 0.128 0.014 8 16 30,000 790 0.015 0.16 0.011 1.9 24,000 630 0.012 0.128 0.011 10 20 30,000 760 0.014 0.16 0.01 1.7 24,000 610 0.011 0.128 0.01 1 R0.1 1° 10 10 17,5001,130 0.035 0.35 0.023 13.84 14,000 900 0.028 0.28 0.023 15 15 15,100 5700.015 0.25 0.008 2.14 12,100 460 0.012 0.2 0.008 20 20 13,800 420 0.01 0.1 0.006 0.42 11,000 330 0.008 0.08 0.006 25 25 12,900 360 0.005 0.05 0.004 0.09 10,300 290 0.004 0.04 0.004 30 30 12,300 3100.0030.03 0.004 0.03 9,800 250 0.002 0.024 0.004 3° 15 15 18,800 1,560 0.041 0.35 0.026 22.39 15,0001,250 0.032 0.28 0.026 R0.2 1° 10 10 17,5001,130 0.035 0.35 0.023 13.84 14,000 900 0.028 0.28 0.023 15 15 15,100 5700.015 0.25 0.008 2.14 12,100 460 0.012 0.2 0.008 20 20 13,800 420 0.01 0.1 0.006 0.42 11,000 330 0.008 0.08 0.006 25 25 12,900 360 0.005 0.05 0.004 0.09 10,300 290 0.004 0.04 0.004 30 30 12,300 3100.0030.03 0.004 0.03 9,800 250 0.002 0.024 0.004 3° 15 15 18,800 1,560 0.041 0.35 0.026 22.39 15,0001,250 0.032 0.28 0.026 R0.3 1° 10 10 17,5001,130 0.035 0.35 0.023 13.84 14,000 900 0.028 0.28 0.023 15 15 15,100 5700.015 0.25 0.008 2.14 12,100 460 0.012 0.2 0.008 20 20 13,800 420 0.01 0.1 0.006 0.42 11,000 330 0.008 0.08 0.006 25 25 12,900 360 0.005 0.05 0.004 0.09 10,300 290 0.004 0.04 0.004 30 30 12,300 3100.0030.03 0.004 0.03 9,800 250 0.002 0.024 0.004 3° 15 15 18,800 1,560 0.041 0.35 0.026 22.39 15,0001,250 0.032 0.28 0.026 MTNH430R
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