Mステンレス鋼HRc23830 N/mm215〜20 m/minSN2,5500.0252,0000.0500.0631,2801,0000.0857800.1306000.1400.1505604700.160K鋳鉄〜HRc21〜800 N/mm215〜20 m/minNS2,2500.0250.0502,0001,2800.0631,0000.0857800.1300.1406405600.1504600.160P被削材工具鋼硬度270 N/mm2強度周速20〜25 m/min径NS2.50.0423,1800.0502,500351,5900.06361,2500.08589700.1300.16078010117000.180136000.186C38被削材HRc23〜34硬度830〜1,110 N/mm2強度周速22〜27 m/min15〜20 m/min10〜15 m/min15〜20 m/minSN径2.50.0202,38031,8800.0500.0631,190569500.08587300.130106000.1500.18052011134400.186570 N/mm2SN3,3800.0252,7000.0500.0631,7001,3500.0851,0500.1308500.1400.1507506400.160炭素鋼〜HRc23〜830 N/mm2SN2,5500.0252,0000.0500.0631,2801,0000.0857800.1306400.1400.1505604700.160〜HRc23〜28830〜950 N/mm2SN1,9000.0151,5000.0250.0389607500.0515900.0764800.0760.0764253600.083アルミニウム合金マグネシウム合金45〜50 m/minNS6,4000.0380.0635,0003,2000.0762,5000.1112,0000.1800.190 1,6001,4000.2001,2000.213合金鋼HRc34〜381,110〜1,260 N/mm28〜12 m/minSN1,4000.0151,1000.0200.0257005500.0294300.0383500.0470.0503102600.05055〜65 m/minNS8,6000.0380.0636,8004,3000.0763,4000.1112,6000.1800.1902,1001,9000.2001,6000.213亜鉛合金樹脂20〜25 m/min40〜50 m/minNSNS3,3800.0256,4000.0380.0502,7000.0635,0001,7000.0633,2000.0761,3500.0852,5000.1111,0500.1302,0000.1800.1408500.1901,6007500.1501,4000.2006500.1601,2000.213N=R.P.MS=1回転当たりの送り量（mm/rev.）PSNチタン合金410 N/mm28〜12 m/minSN1,4000.0201,1000.0250.0387005500.0514300.0763500.0760.0763002500.083DSH101参考切削条件ハイスドリル
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