9 MRBSH230SF 切削条件参考表 Recommended Conditions 被削材 Work Material ハイス・高硬度鋼 High Speed Steels / Hardened Steels SKH51・SKD11（～62HRC） ハイス High Speed Steels SKH55・HAP40（〜66HRC） ハイス High Speed Steels SKH57・HAP72（〜70HRC） 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 R0.05 0.2 2 0.002 0.005 100 40,000 0.002 0.003 70 40,000 0.002 0.003 50 40,000 0.25 2.5 0.002 0.005 80 40,000 0.002 0.003 50 40,000 0.002 0.003 40 40,000 0.3 3 0.002 0.005 70 40,000 0.002 0.003 50 40,000 0.002 0.003 40 40,000 0.4 4 0.001 0.005 70 40,000 0.001 0.003 50 40,000 0.001 0.002 30 40,000 0.5 5 0.001 0.003 50 40,000 0.001 0.002 30 40,000 0.001 0.002 20 40,000 R0.075 0.25 1.7 0.002 0.005 160 40,000 0.002 0.003 120 40,000 0.002 0.003 100 40,000 0.3 2 0.002 0.005 150 40,000 0.002 0.003 100 40,000 0.002 0.003 80 40,000 0.4 2.7 0.002 0.005 120 40,000 0.002 0.003 70 40,000 0.002 0.003 50 40,000 0.5 3.3 0.002 0.005 120 40,000 0.002 0.003 70 40,000 0.002 0.003 50 40,000 0.6 4 0.001 0.003 100 40,000 0.001 0.002 50 40,000 0.001 0.002 40 40,000 0.7 4.7 0.001 0.003 80 40,000 0.001 0.002 40 40,000 0.001 0.002 30 40,000 R0.1 0.3 1.5 0.005 0.005 300 40,000 0.003 0.003 200 40,000 0.003 0.003 150 40,000 0.4 2 0.005 0.005 290 40,000 0.003 0.003 200 40,000 0.003 0.003 150 40,000 0.5 2.5 0.005 0.005 280 40,000 0.003 0.003 180 40,000 0.003 0.003 130 40,000 0.6 3 0.003 0.005 250 40,000 0.002 0.003 160 40,000 0.002 0.003 120 40,000 0.75 3.75 0.003 0.005 200 40,000 0.002 0.003 150 40,000 0.002 0.003 110 40,000 0.85 4.3 0.002 0.005 180 40,000 0.001 0.003 130 40,000 0.001 0.002 100 40,000 1 5 0.002 0.003 160 40,000 0.001 0.002 120 40,000 0.001 0.002 90 40,000 R0.15 0.5 1.7 0.007 0.01 300 40,000 0.003 0.005 280 40,000 0.003 0.005 210 40,000 0.6 2 0.005 0.007 300 40,000 0.003 0.005 250 40,000 0.003 0.005 180 40,000 0.75 2.5 0.005 0.007 280 40,000 0.003 0.005 230 40,000 0.003 0.005 170 40,000 1 3.3 0.005 0.007 250 40,000 0.003 0.005 200 40,000 0.003 0.005 150 40,000 1.25 4.2 0.003 0.005 200 40,000 0.002 0.003 160 40,000 0.002 0.003 120 40,000 1.5 5 0.003 0.005 180 40,000 0.002 0.003 120 40,000 0.002 0.003 90 40,000 R0.2 0.5 1.25 0.03 0.03 720 40,000 0.009 0.02 580 40,000 0.009 0.02 420 35,000 0.65 1.6 0.025 0.03 720 40,000 0.009 0.02 580 40,000 0.009 0.02 420 35,000 0.8 2 0.02 0.03 720 40,000 0.008 0.02 580 40,000 0.008 0.02 420 35,000 1 2.5 0.02 0.03 720 40,000 0.008 0.02 580 40,000 0.008 0.02 400 35,000 1.25 3.1 0.015 0.02 620 40,000 0.006 0.02 470 40,000 0.006 0.02 320 35,000 1.5 3.75 0.01 0.02 500 40,000 0.005 0.01 400 40,000 0.005 0.01 280 35,000 1.75 4.4 0.01 0.02 450 40,000 0.005 0.01 340 40,000 0.005 0.01 250 35,000 2 5 0.007 0.01 380 40,000 0.005 0.007 300 40,000 0.005 0.007 220 35,000 2.25 5.6 0.005 0.01 330 40,000 0.003 0.005 280 40,000 0.003 0.005 200 35,000 2.5 6.25 0.005 0.007 300 40,000 0.003 0.005 260 40,000 0.003 0.005 190 35,000 R0.25 0.5 1 0.03 0.04 860 40,000 0.015 0.03 650 40,000 0.015 0.02 450 30,000 1 2 0.02 0.03 860 40,000 0.01 0.02 650 35,000 0.01 0.02 450 30,000 1.5 3 0.01 0.03 720 40,000 0.007 0.02 520 35,000 0.007 0.02 350 30,000 2 4 0.01 0.02 650 40,000 0.007 0.01 400 35,000 0.007 0.01 270 30,000 2.5 5 0.007 0.01 530 40,000 0.005 0.007 360 35,000 0.005 0.007 240 30,000 3 6 0.007 0.01 420 35,000 0.005 0.007 320 35,000 0.005 0.007 220 30,000 R0.3 0.6 1 0.03 0.08 1,000 40,000 0.02 0.05 720 35,000 0.02 0.05 540 28,000 1 1.7 0.03 0.06 1,000 40,000 0.02 0.05 720 30,000 0.02 0.05 540 25,000 1.5 2.5 0.03 0.06 1,000 40,000 0.02 0.05 720 30,000 0.02 0.05 540 25,000 2 3.3 0.03 0.06 1,000 40,000 0.02 0.05 720 30,000 0.02 0.05 540 25,000 2.5 4.1 0.02 0.04 840 40,000 0.02 0.03 640 30,000 0.02 0.03 480 25,000 3 5 0.02 0.04 840 40,000 0.02 0.03 600 30,000 0.02 0.03 450 25,000 3.5 5.9 0.01 0.03 600 30,000 0.01 0.02 420 30,000 0.01 0.02 310 25,000 4 6.7 0.01 0.03 600 30,000 0.01 0.02 420 30,000 0.01 0.02 310 25,000 R0.4 1 1.3 0.08 0.12 1,600 38,000 0.06 0.1 1,200 35,000 0.035 0.1 900 28,000 2 2.5 0.07 0.1 1,600 35,000 0.05 0.1 1,200 30,000 0.03 0.1 900 25,000 3 3.75 0.05 0.1 1,600 35,000 0.05 0.05 1,200 30,000 0.03 0.05 900 25,000 4 5 0.04 0.06 1,200 30,000 0.03 0.05 860 25,000 0.02 0.05 640 20,000 5 6.25 0.03 0.05 1,000 25,000 0.02 0.03 620 25,000 0.015 0.03 460 20,000
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