vfmm/min6105805804904904904306906906505205205204609007306506106105301,000810720720720620920920920920770770770640540920920920920770770770630540950950860860730730730630630630nmin-1vfmm/min7607207206006006005308408408006306306305501,0908807807407406501,2009808808808807501,1201,1201,1201,1209409409407706601,0901,0901,0901,0909209209207506401,1001,1001,1001,100940940940810810810nmin-1vfmm/min9208808807307307306401,0201,0209607607607606701,3001,0509308808807701,4601,1801,0501,0501,0509001,3101,3101,3101,3101,1001,1001,1009107801,3301,3301,3301,3301,1101,1101,1109107801,3501,3501,2101,2101,0401,0401,040890890890nmin-1vfnmin-1①apは被削材グル−プ1での目安を示しています。その他のグループの場合は、上表の切込み比率を目安に調整してください。②aeの設定はap×切込み比率×3〜5倍を目安に調整してください。仕上げ加工を行う場合、理論カスプハイトを計算し設定してください。 【切り込み設定例】EB4HR0100TN-10-05-ATHの仕上げ加工条件でプリハードン鋼を切削する場合 切り込み=0.032（ap）×0.8（プリハードン鋼グループ3の切り込み比率）＝0.0256mm③被削材、加工形状に合わせて、水溶性および油性のクーラントを使用してください。④この標準切削条件表は切削条件の目安を示すものです。実際の加工では加工形状、目的、使用機械等により条件を調整してください。⑤機械の回転数が合わない場合は、回転数と送り速度を同じ比率で調整してください。36,00036,00036,00032,00032,00032,00028,00036,00036,00036,00032,00032,00032,00028,00040,00036,00032,00032,00032,00028,00038,00034,20030,40030,40030,40026,00032,40032,40032,40032,40028,80028,80028,80025,20021,60030,60030,60030,60030,60027,20027,20027,20023,80020,40028,80028,80028,80028,80024,60024,60024,60021,00021,00021,000mm/min1,0309709708208208207101,1301,1301,0708408408407401,4401,1701,0409809808601,6201,3101,1701,1701,1701,0001,4601,4601,4601,4601,2201,2201,2201,0108601,4801,4801,4801,4801,2401,2401,2401,0208701,5001,5001,4201,3501,1501,1501,15099099099032,40032,40032,40028,80028,80028,80025,20032,40032,40032,40028,80028,80028,80025,20036,00032,40028,80028,80028,80025,20034,20030,80027,40027,40027,40023,50029,20029,20029,20029,20025,90025,90025,90022,70019,40027,50027,50027,50027,50024,50024,50024,50021,40018,30025,90025,90025,90025,90022,20022,20022,20019,00019,00019,00030,60030,60030,60027,20027,20027,20023,80030,60030,60030,60027,20027,20027,20023,80034,00030,60027,20027,20027,20023,81632,30029,10025,80025,80025,80022,10027,50027,50027,50027,50024,50024,50024,50021,40018,40026,00026,00026,00026,00023,10023,10023,10020,20017,30024,50024,50024,50024,50021,00021,00021,00018,00018,00018,00027,00027,00027,00024,00024,00024,00021,00027,00027,00027,00024,00024,00024,00021,00030,00027,00024,00024,00024,00021,00028,50025,70022,80022,80022,80019,50024,30024,30024,30024,30021,60021,60021,60018,90016,20023,00023,00023,00023,00020,40020,40020,40017,80015,20021,60021,60021,60021,60018,50018,50018,50015,90015,90015,9000.30.350.40.450.50.550.6length(mm)4567891045678910468101214468101214468101214161820468101214161820681012141618202224(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【注意】被削材0.024 0.020 0.015 0.008 0.008 0.006 0.005 0.034 0.030 0.027 0.020 0.010 0.008 0.005 0.035 0.032 0.020 0.010 0.008 0.005 0.045 0.042 0.030 0.020 0.010 0.008 0.040 0.040 0.040 0.025 0.013 0.010 0.008 0.006 0.005 0.040 0.040 0.040 0.025 0.020 0.015 0.010 0.008 0.005 0.060 0.040 0.035 0.030 0.025 0.020 0.015 0.0100.010 0.008 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）（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 Slotting78ボール半径REBall radius(mm)切り込み比率 Ratio to standard depth of cutap(mm)首下長LUUnder neck外径DCTool dia.Work material焼入れ鋼Hardened steels荒加工条件 Roughing conditions
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