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USER GUIDE
                                                                                                                     INDEXABLE DRILLS



            Recommended Cutting Conditions for XCMT-MF Inserts



               Cutting speed (Vc)
                                         Material No.                      Cutting speed: Vc (m/min) for IC908
                Workpiece Materials                    Hardness (BHN)
                                           VDI 3323                         Drilling      Turning & Boring
                Low carbon steel (<0.25% C)   1            ~150             130-240           150-270
                Carbon steel (≥0.25% C)       2           150-250           90-160            100-180
                Low alloy steel               6            ~180             120-210           140-230
                Medium alloy steel            7           200-250           70-140            80-160
                High alloy steel             8, 9         250-350            50-100           60-120
                Martensitic stainless steel  12             200             110-180           130-200
                Austenitic stainless steel   14             200             90-160            100-180
                Grey cast iron              17, 18        180-220           110-180           120-200
                Ductile cast iron           15, 16        200-240           90-160            100-180
                Aluminum alloy              21-24          60-130           100-500           150-600
                Copper alloy                26-28          90-100           100-400           100-500







               Recommended Cutting Conditions
                                    Machining Type                         Cutting Conditions
                Insert
                                                            ap (mm)                f (mm/rev)
                                    External Turning        0.6 (0.2-1.8)          0.05 (0.02-0.15)
                XCMT 040104
                                    Drilling                -                      0.06 (0.02-0.10)
                                    External Turning        0.8 (0.2-2.5)          0.08 (0.02-0.15)
                XCMT 050204         Face Turning            0.6 (0.2-1.7)          0.06 (0.02-0.13)

                                    Drilling                -                      0.05 (0.02-0.10)
                                    External Turning        1.0 (0.2-3.0)          0.10 (0.03-0.20)
                XCMT 060204         Face Turning            0.8 (0.2-2.5)          0.07 (0.03-0.15)
                                    Drilling                -                      0.05 (0.02-0.10)
                                    External Turning        1.3 (0.3-3.5)          0.12 (0.03-0.20)
                XCMT 070304         Face Turning            1.0 (0.25-3.0)         0.10 (0.03-0.18)
                                    Drilling                -                      0.06 (0.03-0.12)
                                    Face Turning             1.5 (0.35-4.0)        0.14 (0.06-0.25)
                XCMT 0803..         External Turning         1.2 (0.3-3.5)         0.12 (0.06-0.24)
                                    Drilling                 -                     0.08 (0.05-0.16)
                                    External Turning        1.8 (0.5-3.5)          0.12 (0.06-0.30)
                XCMT 10T304
                                    Drilling                -                      0.08 (0.03-0.15)
                                    External Turning        1.8 (0.5-3.5)          0.20 (0.10-0.40)
                XCMT 10T308
                                    Drilling                -                      0.08 (0.03-0.15)
                                    External Turning        2.0 (0.6-4.3)          0.15 (0.07-0.32)
                XCMT 130404
                                    Drilling                -                      0.08 (0.03-0.15)
                                    External Turning        2.0 (0.6-4.3)          0.20 (0.10-0.40)
                XCMT 130408
                                    Drilling                -                      0.08 (0.03-0.15)
                                    External Turning        3.0 (0.7-5.3)          0.22 (0.10-0.40)
                XCMT 170508
                                    Drilling                -                      0.08 (0.03-0.15)
               Cutting parameters are for 2.25xD steel shank
               Internal coolant supply is recommended







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