Technical Data Recommended Cutting Conditions 推薦切削參數 Table 014 EHSBC2, EHSRC2 PREHARDENED STEELS HARDENED STEELS Hardened Steel Material 調質鋼 淬火鋼 淬火鋼 工件材料 NAK80 CENA1 SKD61,SKD11 SKD11,SKH51 Hardness 硬度 HRC 35~45 HRC 40~55 HRC 55~65 Feed Feed Feed Dia EFF-L RPM (mm/min) ap RPM (mm/min) ap RPM (mm/min) ap ae 刃徑 有效長 轉速 (mm) 轉速 (mm) 轉速 (mm) (mm) 進給 進給 進給 6 8000 700 0.072 6400 480 0.052 8000 435 0.031 1.978 10 7200 620 0.064 5800 430 0.046 8000 222 0.027 1.013 16 5900 470 0.045 4700 320 0.032 8000 54 0.019 0.247 3.0mm 20 5300 400 0.035 4300 280 0.025 8000 27 0.015 0.127 25 4800 340 0.025 3900 230 0.018 8000 14 0.010 0.065 30 4500 290 0.018 3600 200 0.013 8000 10 0.007 0.038 35 4200 250 0.013 3300 170 0.009 - - - - 8 6800 770 0.093 5300 500 0.070 6000 450 0.050 1.990 12 5100 600 0.078 4100 410 0.056 6000 388 0.033 1.852 16 4400 510 0.065 3600 350 0.046 6000 164 0.027 0.781 4.0mm 20 4000 440 0.054 3200 300 0.038 6000 84 0.022 0.400 25 3600 380 0.042 2900 260 0.030 6000 43 0.018 0.205 30 3300 330 0.033 2600 230 0.024 6000 24 0.014 0.119 35 3100 290 0.026 2500 200 0.019 6000 15 0.011 0.075 16 3500 520 0.089 2800 360 0.064 4800 457 0.038 1.907 20 3100 440 0.085 2500 310 0.061 4800 234 0.036 0.977 5.0mm 25 2800 390 0.077 2200 270 0.055 4800 120 0.033 0.500 30 2500 340 0.066 2000 230 0.047 4800 69 0.028 0.289 35 2300 300 0.054 1900 210 0.038 4800 43 0.022 0.182 20 2600 470 0.088 2100 330 0.063 4000 607 0.037 2.025 6.0mm 30 2000 340 0.077 1600 240 0.055 4000 180 0.033 0.600 20 2300 450 0.130 1700 330 0.090 3400 580 0.050 1.600 8.0mm 40 1500 250 0.800 1100 160 0.060 3400 84 0.035 0.200 25 2100 430 0.130 1500 310 0.080 3200 540 0.050 1.760 10.0mm 45 1300 220 0.700 900 150 0.050 3200 76 0.030 0.240 30 2000 400 0.140 1400 280 0.080 3000 540 0.050 1.840 12.0mm 50 1500 200 0.800 800 140 0.050 3000 72 0.030 0.280 1.Use as highly rigid and accurate machine as possible. 2.If the rpm available is lower than the recommend condition, please reduce the feed rate to the same ratio. 3.Use long shank type please reduce the rpm and feed rate. 4.The Feed and RPM may be changed depending on the M/C conditions ,lubricating and cooling system. 1. 盡可能用高剛性、高精機床。 2. 機床轉速不足時,請將進給、轉速同比例下調。 3. 長柄型或偏擺過大時請視情況下調轉速、進給。 4. 以上數據為建議值,適當的條件仍須視機台狀況、夾治具品質、潤滑冷卻系統…等改變。 A180