vfmm/min6205805804904904904306906906505205205204609007306506106105301,000810720720720620920920920920770770770640540920920920920770770770630540950950860860730730730630630630nmin-1vfmm/min7607207206006006005308408407906306306305501,0908807807407406501,2209808808808807501,1201,1201,1201,1209409409407706601,0901,0901,0901,0909209209207506401,1001,1001,1001,100940940940810810810nmin-1vfmm/min9208808807307307306401,0201,0209607607607606701,3001,0509308808807701,4601,1801,0501,0501,0509001,3101,3101,3101,3101,1001,1001,1009007801,3301,3301,3301,3301,1101,1101,1109107801,3501,3501,2101,2101,0401,0401,040890890890nmin-1vfnmin-1【Note】①ap is shown as the criteria for Group 1 workpieces. For other groups, adjust the cutting depth according to the cutting depth factors in the above table.②Adjust by setting ae to (3 to 5)×(ap)×(cutting depth ratio). When performing finishing processing, calculate the theoretical cusp height and set accordingly.③Use the water or oil based coolant for the work material and machining shape.④These Recommended Cutting Conditions indicate only the rule of a thumb for the cutting conditions. In actual machining, the condition should be adjusted according to the machining shape, purpose and the machine type. ⑤If the rpm available is lower than that recommended please reduce the feed rate to the same ratio.18,00018,00018,00016,00016,00016,00014,00018,00018,00018,00016,00016,00016,00014,00020,00018,00016,00016,00016,00014,00019,00017,10015,20015,20015,20013,00016,20016,20016,20016,20014,40014,40014,40012,60010,80015,30015,30015,30015,30013,60013,60013,60011,90010,20014,40014,40014,40014,40012,30012,30012,30010,50010,50010,5000.023 0.023 0.020 0.020 0.020 0.020 0.020 0.023 0.023 0.020 0.020 0.020 0.020 0.020 0.028 0.028 0.025 0.025 0.025 0.025 0.028 0.028 0.025 0.025 0.025 0.025 0.035 0.035 0.035 0.032 0.032 0.032 0.032 0.030 0.030 0.035 0.035 0.035 0.032 0.032 0.032 0.032 0.030 0.030 0.043 0.043 0.043 0.040 0.040 0.040 0.040 0.0370.037 0.037 mm/min1,0309709708208208207101,1301,1301,0708408408407401,4401,1701,0409809808601,6201,3101,1701,1701,1701,0001,4601,4601,4601,4601,2201,2201,2201,0108601,4801,4801,4801,4801,2401,2401,2401,0208701,5001,5001,4001,3501,1501,1501,150990990990Cutting depth = 0.032(ap)×0.8(Cutting depth factor for group 3 pre-hardened steel) = 0.0256mm16,20016,20016,20014,40014,40014,40012,60016,20016,20016,20014,40014,40014,40012,60018,00016,20014,40014,40014,40012,60017,10015,40013,70013,70013,70011,80014,60014,60014,60014,60013,00013,00013,00011,4009,70013,80013,80013,80013,80012,30012,30012,30010,7009,20013,00013,00013,00013,00011,10011,10011,1009,5009,5009,50015,30015,30015,30013,60013,60013,60011,90015,30015,30015,30013,60013,60013,60011,90017,00015,30013,60013,60013,60011,90016,20014,60012,90012,90012,90011,10013,80013,80013,80013,80012,30012,30012,30010,7009,20013,00013,00013,00013,00011,60011,60011,60010,1008,70012,30012,30012,30012,30010,50010,50010,5009,0009,0009,00013,50013,50013,50012,00012,00012,00010,50013,50013,50013,50012,00012,00012,00010,50015,00013,50012,00012,00012,00010,50014,30012,90011,40011,40011,4009,80012,20012,20012,20012,20010,80010,80010,8009,5008,10011,50011,50011,50011,50010,20010,20010,2008,9007,60010,80010,80010,80010,8009,3009,3009,3008,0008,0008,000length(mm)4567891045678910468101214468101214468101214161820468101214161820681012141618202224(mm)(mm)0.60.60.60.60.60.60.60.70.70.70.70.70.70.70.80.80.80.80.80.80.90.90.90.90.90.91111111111.11.11.11.11.11.11.11.11.11.21.21.21.21.21.21.21.21.21.2EB4HR-ATH被削材0.30.350.40.450.50.550.6炭素鋼・合金鋼Carbon steels, Alloy steels（180〜250HB）100%回転数送り速度（25〜35HRC）90%回転数送り速度回転数1234工具鋼Tool steelsプリハードン鋼Pre-hardened steels（35〜45HRC）焼入れ鋼Hardened steels（45〜55HRC）80%65%送り速度回転数送り速度高精度リブ溝加工用テーパボールエンドミルTaper Ball End Mill for High Accuracy Rib Slottingボール半径REBall radius切り込み比率 Ratio to standard depth of cutap(mm)首下長LUUnder neck外径DCTool dia.Work materialCutting depth setting example : When finishing in pre-hardened steel with EB4HR0100TN-10-05-ATH. 79仕上げ加工条件 Finishing conditions
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