MACHINING CONDITIONS - DRILLING - CUTTING SPEED (Vc) MACHINING CONDITIONS - DRILLING - DEPTH OF CUT AND FEED FOR DRILLING BODIES 2 X D AND 3 X D LT 30 SPMG 050204 NN SPMG 090408 NN LT 3130 SPMG 060204 NN SPMG 110408 NN SPMG 07T308 NN LT 30 LT 3130 SPMG SPMG SPMG SPMG SPMG MaterialGroup LaminaGr. N° MaterialExamplesHardness Vc [m/min]minmax Vc [m/min]minmax MaterialGroup LaminaGr. N°MaterialExamples 050204 NNHardnessFeed [mm/z]060204 NNFeed [mm/z]07T308 NNFeed [mm/z]090408 NNFeed [mm/z]110408 NNFeed [mm/z] min max min max min max min max min max C35, Ck45, 125 HB 270 297Non Alloyed11020, 1045,190 HB180230198253 C35, Ck45, 125 HB 1060, 28Mn6 250 HB 200 220 Non Alloyed 1 1020, 1045, 190 HB 0.04 0.12 0.04 0.15 0.06 0.18 0.06 0.22 0.06 0.241060, 28Mn6250 HB 42CrMo4, 180 HB 120 230 132 253Low AlloyedP2St50, Ck60,230 HB4140, 4340,280 HB190170209187100Cr6100110350 HB150165 42CrMo4, 180 HBLow AlloyedP2St50, Ck60,4140, 4340,230 HB 0.240.060.120.060.140.080.180.100.220.12280 HB100Cr6350 HB0.20 220 HB 170 187 X40CrMoV5, 280 HB 70 150 77 165High Alloyed3H13, M42, D3, 220 HBX40CrMoV5,280 HB 0.10 0.08 0.12 0.14 0.16 S6-5-2, 12Ni19 320 HB 60 130 66 143350 HB100110 High Alloyed 3 H13, M42, D3, 0.06 0.06 0.08 0.08 0.10S6-5-2, 12Ni19320 HB0.080.120.140.160.18 350 HB Austenitic 4 304, 316, 180 HB 170 230 187 253X5CrNi18-9240 HB120210132231 Austenitic 4 304, 316,X5CrNi18-9180 HB 0.04 0.04 0.06 0.08 0.100.100.120.140.160.18240 HB0.050.050.070.090.11 M Duplex 5 X2CrNiN23-4, 290 HBS31500310 HB70 120120 77 132132 M Duplex 5 X2CrNiN23-4,S31500290 HB 0.05310 HB0.09 0.05 0.10 0.06 0.12 0.06 0.14 0.08 0.150.13 Ferritic &Martensitic 6 410, X6Cr17, 200 HB 100 150 110 16517-4PH, 43042 HRc6010066110 Ferritic &Martensitic6 410, X6Cr17, 200 HB 0.05 0.09 0.05 0.10 0.06 0.12 0.06 0.14 0.08 0.1517-4PH, 43042 HRc0.040.080.040.080.050.100.050.120.060.13 GG20, GG40, EN- 150 HB 230 253Grey7GJL-250,200 HB150210165231 GG20, GG40, EN- 150 HB N030B 250 HB 170 187K Grey 7 GJL-250, 200 HB 0.06 0.12 0.06 0.14 0.08 0.16 0.10 0.20 0.12 0.24N030B250 HB 150 HB 200 220 K Malleable& Nodular 8 GGG40, GGG70,50005 200 HB 120 170 132 187250 HB150165 150 HBMalleable& Nodular8GGG40,GGG70, 50005200 HB0.060.120.060.140.080.16 0.10 0.20 0.12 0.24 250 HB Incoloy 800 240 HB Fe, Ni &Co based 30 40 27.5 38.59Inconel 700250 HBSStellite 21350 HB204025.338.5 Incoloy 800 240 HBFe, Ni &Co based9Inconel 700250 HB0.050.080.050.08 0.06 0.09 0.06 0.09 0.06 0.10 S Stellite 21 350 HB T40 - 40 60 38.5 66 Ti based 10 TiAl6V4 - TiAl6V4 - 30 40 30.8 44 Ti based 10 0.05 0.08 0.05 0.08 0.06 0.09 0.06 0.09 0.06 0.10 T40 - 45 HRc 50 90 55 99 Steel X100CrMo13, 440C,G-X260NiCr4250 HRc40 70 44 77 X100 CrMo13, 45 HRcSteel440C,50 HRc H 11 55 HRc 30 60 33 66 H 11 G-X260NiCr42 55 HRc 0.04 0.07 0.04 0.07 0.05 0.08 0.06 0.09 0.06 0.09 Chilled Cast Iron Ni-Hard 2 400 HB 40 60 40 66 Chilled Cast Iron Ni-Hard 2 400 HB White Cast Iron G-X300CrMo15 55 HRc 30 50 33 55 White Cast Iron G-X300CrMo15 55 HRc NF Aluminium 12 AlSi12 130 HB 200 400 220 440 NF Aluminium 12 AlSi12 130 HB 0.05 0.12 0.05 0.14 0.06 0.16 0.06 0.18 0.08 0.20 346 347