Page 175 - ISCAR(HOLE_MAKING_CATALOG_65)
P. 175

SCD-SXC50                                              OAL
          Solid Carbide Drills with                            LCF                 LS          DC h7
          Internal Coolant Channels,                           LU
          Drilling Depth 50xD              135
                                                                                DCONMS h6
                                                PL

                                                                 Dimensions                                           SOLID CARBIDE DRILLS



                                                                                                             IC908
           Designation             DC     DCONMS     OAL       LU       LCF      LS        PL      ULDR (2)
           SCD 040-217-060 SXC50   4.00    6.00     270.00    217.00   225.0     40.0     0.660     50.0    •
           SCD 042-217-060 SXC50   4.20    6.00     270.00    217.00   225.0     40.0     0.693     50.0    •
           SCD 045-267-060 SXC50   4.50    6.00     320.00    267.00   275.0     40.0     0.743     50.0    •
           SCD 047-267-060 SXC50  (1)  4.70  6.00   320.00    267.00   275.0     40.0     0.775     50.0    •
           SCD 048-267-060 SXC50   4.80    6.00     320.00    267.00   275.0     40.0     0.792     50.0    •
           SCD 050-267-060 SXC50   5.00    6.00     320.00    267.00   275.0     40.0     0.825     50.0    •
           SCD 055-302-060 SXC50   5.50    6.00     360.00    302.00   310.0     45.0     0.907     50.0    •
           SCD 058-302-060 SXC50  (1)  5.80  6.00   360.00    302.00   310.0     45.0     0.957     50.0    •
           SCD 060-302-060 SXC50   6.00    6.00     360.00    302.00   310.0     45.0     0.990     50.0    •
          •  For user guide, see pages 175-184
          (1)  On request
          (2)  Usable length diameter ratio
          Recommended Machining Conditions for SCD-SXC50 Solid Carbide Drills      Cutting Diameter



                                                Tensile   Strength  [N/mm 2 ]  Hardness HB  Material No.  Cutting Speed   Vc (m/min)  Feed (mm/rev)
           ISO  Material            Condition                       3.0-4.0  4.1-5.0   5.1-6.0  6.1-7.0  7.1-8.0
                         < 0.25 %C   Annealed   420   125  1
                         >= 0.25 %C  Annealed   650   190  2
            Non-alloy steel   < 0.55 %C  Quenched and   850  250  3
            and cast steel,         tempered                  55-65 0.043-0.048 0.058-0.063 0.068-0.078 0.083-0.093 0.093-0.117
            free cutting steel >= 0.55 %C  Annealed  750  220  4
                                   Quenched and
                         >= 0.55 %C            1000   300  5
                                    tempered
                                     Annealed   600   200  6
          P  Low alloy steel and cast           930   275  7
            steel (less than 5% of   Quenched and             45-55 0.023-0.043 0.033-0.058 0.043-0.068 0.053-0.083 0.065-0.103
            alloying elements)      tempered   1000   300  8
                                               1200   350  9
                                     Annealed   680   200  10
            High alloyed steel, cast                          35-45 0.02-0.023 0.03-0.033 0.04-0.043 0.05-0.055 0.06-0.071
            steel, and tool steel  Quenched and   1100  325  11
                                    tempered
                                     Ferritic/
            Stainless steel and cast steel  martensitic.  680  200  12  30-35 0.02-0.023 0.03-0.033 0.04-0.043 0.051-0.055 0.06-0.071
                                    Martensitic  820  240  13
          M Stainless steel and cast steel   Austenitic  600  180  14 25-30 0.02-0.023 0.03-0.033 0.04-0.043 0.051-0.055 0.06-0.071
                                   Ferritic/pearlitic  180  15
            Grey cast iron (GG)                               60-70
                                     Pearlitic        260  16
                                     Ferritic         160  17
          K Cast iron nodular (GGG)                           55-60  0.035-0.071 0.05-0.098 0.06-0.121 0.075-0.150 0.085-0.198
                                     Pearlitic        250  18
                                     Ferritic         130  19
            Malleable cast iron                               50-55
                                     Pearlitic        230  20
                                     Annealed         200  31
                         Fe based                             30-35 0.02-0.023 0.03-0.033 0.04-0.043 0.051-0.055 0.063-.0.71
                                      Cured           280  32
            High temp. alloys        Annealed         250  33
                         Ni or Co
          S              based        Cured           350  34  25-30 0.017-0.02 0.027-0.03 0.037-0.04 0.047-0.05 0.06-0.066
                                      Cast            320  35
                                      Pure    RM 400  110  36
            Titanium Ti alloys      Alpha+beta                30-35 0.018-0.021 0.028-0.031 0.038-0.041 0.048-0.051 0.062-0.069
                                    alloys cured  RM 1050  310  37







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