USER GUIDE 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 INDEXABLE DRILLS 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 553 553