14 切削条件参考表 Recommended Conditions 被削材 Work Material 高硬度鋼 Hardened Steels SKD61・STAVAX・HPM-38（〜52HRC） 高硬度鋼 Hardened Steels SKD11（〜62HRC） ハイス High Speed Steels SKH（〜65HRC） Rサイズ Radius 首下長 Under Neck Length 外径と 首下長 の比L/D 切込み量 Depth of Cut 送り速度 Feed 回転数 Spindle Speed 切込み量 Depth of Cut 送り速度 Feed 回転数 Spindle Speed 切込み量 Depth of Cut 送り速度 Feed 回転数 Spindle Speed ap mm ae mm mm/min min-1 ap mm ae mm mm/min min-1 ap mm ae mm mm/min min-1 1 22 11.0 0.03 0.08 850 14,000 0.02 0.06 700 12,000 0.02 0.02 600 10,000 25 12.5 0.03 0.05 680 12,000 0.02 0.03 560 10,000 0.01 0.02 420 8,500 27 13.5 0.02 0.05 500 12,000 0.015 0.03 410 10,000 0.01 0.02 330 8,500 30 15.0 0.02 0.03 360 12,000 0.01 0.02 300 10,000 0.008 0.01 240 8,500 32 16.0 0.02 0.02 230 10,000 0.01 0.015 180 8,000 0.008 0.01 150 6,800 35 17.5 0.01 0.02 150 10,000 0.007 0.01 120 8,000 0.005 0.007 100 6,800 40 20.0 0.005 0.01 100 10,000 0.003 0.005 80 8,000 0.002 0.003 50 6,800 1.25 4 1.6 0.3 0.5 3,000 20,000 0.2 0.5 2,500 20,000 0.15 0.4 2,000 18,000 6 2.4 0.3 0.4 2,800 20,000 0.2 0.5 2,300 20,000 0.15 0.4 2,000 18,000 8 3.2 0.25 0.3 2,600 20,000 0.15 0.3 2,100 20,000 0.12 0.25 1,800 18,000 10 4.0 0.2 0.3 2,500 20,000 0.15 0.2 2,000 20,000 0.1 0.15 1,600 18,000 15 6.0 0.1 0.2 2,000 18,000 0.07 0.15 1,600 16,000 0.05 0.1 1,200 14,000 20 8.0 0.07 0.15 1,500 16,000 0.05 0.1 1,200 14,000 0.03 0.05 1,000 10,000 25 10.0 0.05 0.1 1,000 14,000 0.03 0.07 850 12,000 0.02 0.03 720 8,000 30 12.0 0.03 0.07 720 12,000 0.02 0.05 640 10,000 0.01 0.02 580 7,000 35 14.0 0.02 0.03 450 10,000 0.01 0.02 400 8,500 0.007 0.01 320 6,200 1.5 6 2.0 0.2 0.8 3,000 20,000 0.2 0.6 2,500 18,000 0.2 0.5 2,000 14,000 8 2.7 0.2 0.8 3,000 20,000 0.2 0.6 2,500 18,000 0.2 0.5 2,000 14,000 10 3.3 0.2 0.6 2,500 20,000 0.2 0.4 2,000 18,000 0.1 0.3 1,500 14,000 12 4.0 0.2 0.6 2,500 20,000 0.2 0.4 2,000 18,000 0.1 0.3 1,500 14,000 14 4.7 0.1 0.4 2,000 18,000 0.1 0.3 1,600 16,000 0.1 0.2 1,200 12,000 16 5.3 0.1 0.4 2,000 18,000 0.1 0.3 1,600 16,000 0.1 0.2 1,200 12,000 18 6.0 0.1 0.3 1,800 18,000 0.1 0.2 1,400 16,000 0.1 0.15 1,100 12,000 20 6.7 0.1 0.3 1,600 18,000 0.1 0.2 1,200 16,000 0.1 0.1 960 12,000 22 7.3 0.1 0.2 1,400 17,000 0.07 0.15 1,000 15,000 0.07 0.07 880 11,000 25 8.3 0.1 0.2 1,200 16,000 0.07 0.15 920 14,000 0.05 0.07 800 10,000 27 9.0 0.07 0.1 1,000 14,000 0.05 0.08 800 12,000 0.03 0.05 700 9,000 30 10.0 0.07 0.1 750 14,000 0.05 0.07 640 12,000 0.03 0.05 600 8,600 35 11.7 0.05 0.1 620 12,000 0.03 0.07 500 10,000 0.02 0.05 420 7,200 40 13.3 0.03 0.07 450 10,000 0.02 0.05 320 8,200 0.01 0.03 260 6,400 1.75 5 1.4 0.3 1 3,000 20,000 0.25 0.8 2,500 18,000 0.2 0.6 1,800 14,000 10 2.9 0.25 1 3,000 20,000 0.2 0.6 2,500 18,000 0.15 0.5 1,700 14,000 15 4.3 0.25 1 3,000 20,000 0.15 0.5 2,300 16,000 0.13 0.4 1,500 14,000 20 5.7 0.18 0.6 2,500 18,000 0.1 0.3 1,800 15,000 0.1 0.2 1,200 12,000 25 7.1 0.12 0.35 1,800 16,000 0.1 0.2 1,600 14,000 0.06 0.12 1,000 10,000 30 8.6 0.1 0.25 1,500 14,000 0.07 0.15 950 11,000 0.05 0.08 800 9,000 35 10.0 0.08 0.2 1,200 13,000 0.07 0.12 800 10,000 0.03 0.06 650 7,500 40 11.4 0.07 0.1 800 11,000 0.04 0.07 720 9,000 0.02 0.05 450 7,000 45 12.9 0.06 0.07 700 10,000 0.035 0.05 600 7,500 0.015 0.03 320 6,000 2 6 1.5 0.3 1.5 3,000 20,000 0.2 0.8 2,500 16,000 0.2 0.6 2,000 12,000 8 2.0 0.3 1.5 3,000 20,000 0.2 0.8 2,500 16,000 0.2 0.6 2,000 12,000 10 2.5 0.3 1.5 3,000 20,000 0.2 0.8 2,500 16,000 0.2 0.6 2,000 12,000 12 3.0 0.3 1.5 3,000 20,000 0.2 0.8 2,500 16,000 0.2 0.6 2,000 12,000 14 3.5 0.3 1.5 3,000 20,000 0.2 0.8 2,000 16,000 0.2 0.6 1,600 12,000 15 3.8 0.3 1.5 3,000 20,000 0.2 0.8 2,000 16,000 0.2 0.6 1,600 12,000 16 4.0 0.3 1 2,700 18,000 0.2 0.6 2,000 16,000 0.15 0.5 1,600 12,000 18 4.5 0.2 1 2,700 18,000 0.15 0.6 1,800 14,000 0.12 0.4 1,400 10,000 20 5.0 0.2 1 2,400 16,000 0.1 0.6 1,800 14,000 0.1 0.4 1,400 10,000 22 5.5 0.2 0.8 2,000 16,000 0.1 0.5 1,500 14,000 0.1 0.3 1,200 10,000 25 6.3 0.2 0.8 1,600 16,000 0.1 0.4 1,200 14,000 0.1 0.2 1,000 10,000 27 6.8 0.15 0.5 1,600 16,000 0.1 0.3 1,200 14,000 0.07 0.2 1,000 10,000 30 7.5 0.1 0.3 1,600 14,000 0.07 0.2 1,200 10,000 0.05 0.15 1,000 8,200 35 8.8 0.1 0.2 1,200 14,000 0.07 0.15 1,000 10,000 0.05 0.1 820 8,200 40 10.0 0.07 0.15 1,200 12,000 0.05 0.1 1,000 8,600 0.03 0.07 820 6,800 45 11.3 0.07 0.1 750 12,000 0.05 0.07 620 8,600 0.03 0.05 500 6,800 50 12.5 0.05 0.08 550 10,000 0.03 0.05 500 7,500 0.02 0.03 420 5,500 MRBH230
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