Page 87 - ISCAR(HOLE_MAKING_CATALOG_65)
P. 87

USER GUIDE





         MD-DR-DH Cutting Parameters
                                                     Tensile                                  Feed Vs. Drill Diameter
           ISO       Material           Condition  Strength Rm   Hardness HB Material No.  [m/min]  33<ØD<40 (mm)     INDEXABLE DRILLS
                                                                                       Vc
                                                    [N/mm ]
                                                                                                  f [mm/rev]
                                                         2
                           < 0.25 %C    Annealed      420        125        1        100-150       0.10-0.25
                           ≥ 0.25 %C    Annealed      650        190        2
            Non-alloy steel   < 0.55 %C  Quenched and   850      250        3
            and cast steel,             tempered
            free cutting steel          Annealed      750        220        4
                           ≥ 0.55 %C  Quenched and                                   80-150        0.15-0.30
                                        tempered      1000       300        5
          P
                                        Annealed      600        200        6
            Low alloy and cast steel (less            930        275        7
            than 5% of alloying elements)  Quenched and   1000   300        8        70-120        0.15-0.30
                                        tempered
                                                      1200       350        9
                                        Annealed      680        200       10        80-150        0.10-0.25
            High alloyed steel, cast   Quenched and
            steel and tool steel                      1100       325       11        70-120        0.10-0.25
                                        tempered
                                      Ferritic / pearlitic       180       15
            Grey cast iron (GG)         Pearlitic /                                  180-300       0.18-0.35
                                        martensitic              260       16
          K                              Ferritic                160       17
            Nodular cast iron (GGG)                                                                0.15-0.30
                                         Pearlitic               250       18        150-250
                                         Ferritic                130       19
            Malleable cast iron                                                                    0.15-0.35
                                         Pearlitic               230       20

         MD-DFN Cutting Parameters
                                                                                                  Feed Vs. Drill
                                                     Tensile                                       Diameter
           ISO       Material           Condition  Strength Rm   Hardness HB Material No.  Vc [m/min]  33<ØD<40 (mm)
                                                         2
                                                                                                   f [mm/rev]
                                                    [N/mm ]
                           < 0.25 %C    Annealed      420        125        1       80-110-140
                           ≥ 0.25 %C    Annealed      650        190        2       90-105-130
            Non-alloy steel   < 0.55 %C  Quenched and   850      250        3       80-100-120
            and cast steel,             tempered                                                  0.30 0.40 0.50
            free cutting steel          Annealed      750        220        4       70-90-110
                           ≥ 0.55 %C  Quenched and
                                        tempered      1000       300        5        50-70-90
          P
                                        Annealed      600        200        6       80-100-120
            Low alloy and cast steel (less            930        275        7       70-90-110     0.30 0.40 0.50
            than 5% of alloying elements)  Quenched and   1000   300        8        50-70-90
                                        tempered
                                                      1200       350        9        40-55-70
                                        Annealed      680        200       10        50-70-90
            High alloyed steel, cast                                                              0.25 0.30 0.35
            steel and tool steel      Quenched and    1100       325       11        40-60-80
                                        tempered
                                      Ferritic / pearlitic       180       15       90-125-160
            Grey cast iron (GG)         Pearlitic /
                                        martensitic              260       16       80-110-140
          K                              Ferritic                160       17       90-135-180    0.40 0.50 0.60
            Nodular cast iron (GGG)
                                         Pearlitic               250       18       80-110-140
                                         Ferritic                130       19       90-125-160
            Malleable cast iron
                                         Pearlitic               230       20       80-110-140















                                                                                                                   85
   82   83   84   85   86   87   88   89   90   91   92