High feed cutter MFH MFHHarrier Series Recommended cutting conditions Toolholder description and feed rate (fz: mm/t) Recommended insert grades ( Vc: m/min) MEGACOAT NANO CVD Insert type Coated carbide Workpiece material MFH...R-10-... MFH...R-14-... PR1535 PR1525 PR1510 CA6535 Carbon steel 0.5~1.5~2.0 ✩ ★ - - 120~180~250 120~180~250 Alloy steel 0.5~1.5~2.0 ✩ ★ - - 100~160~220 100~160~220 Mold steel (~ 40HRC) 0.5~1.2~1.8 ✩ ★ - - 80~140~180 80~140~180 Mold steel (40 ~ 50HRC) 0.2~0.7~1.0 ✩ ★ - - 60~100~130 60~100~130 Stainless steel (Austenitic related) 0.5~1.2~1.8 ✩ ✩ - - 100~160~200 100~160~200 GM ✩ ★ Stainless steel (Martensitic related) 0.5~1.2~1.8 150~200~250 - - 180~240~300 GH Stainless steel (Precipitation hardening) 0.5~1.2~1.8 ★ - - - 90~120~150 Gray cast iron 0.5~1.5~2.0 - - ★ - 120~180~250 Nodular cast iron 0.5~1.2~1.8 - - ★ - 100~150~200 Ni-base heat-resistant alloys 0.2~0.8~1.2 ✩ - - ★ 20~30~50 20~30~50 ★ ☆ Titanium alloys 0.2~0.8~1.2 40~60~80 - 30~50~70 - 0.5~1.5~2.0(ap≤1.0mm) 0.5~1.5~2.0(ap≤2.0mm) ✩ ★ Carbon steel 0.06~0.2~0.3(ap≤3.5mm) 0.06~0.2~0.4(ap≤5.0mm) 120~180~250 120~180~250 - - 0.5~1.5~2.0(ap≤1.0mm) 0.5~1.5~2.0(ap≤2.0mm) ✩ ★ Alloy steel 0.06~0.2~0.3(ap≤3.5mm) 0.06~0.2~0.4(ap≤5.0mm) 100~160~220 100~160~220 - - 0.5~1.2~1.8(ap≤1.0mm) 0.5~1.2~1.8(ap≤2.0mm) ✩ ★ Mold steel (~ 40HRC) 0.06~0.15~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤5.0mm) 80~140~180 80~140~180 - - 0.2~0.7~1.0(ap≤1.0mm) 0.2~0.7~1.0(ap≤2.0mm) ✩ ★ Mold steel (40 ~ 50HRC) 0.03~0.1~0.15(ap≤3.5mm) 0.03~0.1~0.2(ap≤5.0mm) 60~100~130 60~100~130 - - 0.5~1.2~1.8(ap≤1.0mm) 0.5~1.2~1.8(ap≤2.0mm) ★ ✩ Stainless steel (Austenitic related) 0.06~0.15~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤5.0mm) 100~160~200 100~160~200 - - LD Stainless steel (Martensitic related) 0.5~1.2~1.8(ap≤1.0mm) 0.06~0.15~0.2(ap≤3.5mm) 0.5~1.2~1.8(ap≤2.0mm) 0.06~0.15~0.3(ap≤5.0mm) ✩ 150~200~250 - - ★ 180~240~300 M 0.5~1.2~1.8(ap≤1.0mm) 0.5~1.2~1.8(ap≤2.0mm) ★ Stainless steel (Precipitation hardening) 0.06~0.15~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤5.0mm) 90~120~150 - - - 0.5~1.5~2.0(ap≤1.0mm) 0.5~1.5~2.0(ap≤2.0mm) ★ Gray cast iron 0.06~0.2~0.3(ap≤3.5mm) 0.06~0.2~0.4(ap≤5.0mm) - - 120~180~250 - 0.5~1.2~1.8(ap≤1.0mm) 0.5~1.2~1.8(ap≤2.0mm) ★ Nodular cast iron 0.06~0.15~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤5.0mm) - - 100~150~200 - Milling 0.2~0.8~1.2(ap≤1.0mm) 0.2~0.8~1.2(ap≤2.0mm) ✩ ★ Ni-base heat-resistant alloys 0.03~0.1~0.15(ap≤3.5mm) 0.03~0.1~0.2(ap≤5.0mm) 20~30~50 - - 20~30~50 0.2~0.8~1.2(ap≤1.0mm) 0.2~0.8~1.2(ap≤2.0mm) ★ ✩ Titanium alloys 0.03~0.1~0.15(ap≤3.5mm) 0.03~0.1~0.2(ap≤5.0mm) 40~60~80 - 30~50~70 - Carbon steel 0.5~1.5~2.0 ✩ ★ - - 120~180~250 120~180~250 Alloy steel 0.5~1.5~2.0 ✩ ★ - - 100~160~220 100~160~220 Mold steel (~ 40HRC) 0.5~1.2~1.8 ✩ ★ - - 80~140~180 80~140~180 Mold steel (40 ~ 50HRC) 0.2~0.7~1.0 ✩ ★ - - 60~100~130 60~100~130 Stainless steel (Austenitic related) 0.5~1.2~1.8 ★ ✩ - - 100~160~200 100~160~200 FL Stainless steel (Martensitic related) 0.5~1.2~1.8 ✩ - - ★ 150~200~250 180~240~300 Stainless steel (Precipitation hardening) 0.5~1.2~1.8 ★ - - - 90~120~150 Gray cast iron 0.5~1.5~2.0 - - ★ - 120~180~250 Nodular cast iron 0.5~1.2~1.8 - - ★ - 100~150~200 Ni-base heat-resistant alloys 0.2~0.8~1.2 ✩ - - ★ 20~30~50 20~30~50 Titanium alloys 0.2~0.8~1.2 ★ - ✩ - 40~60~80 30~50~70 * Machining with coolant is recommended for Ni-base heat-resistant alloys and titanium alloys. ★: 1st Recommendation ✩: 2nd Recommendation * The bold-faced number indicates a center value of recommended cutting condition. Adjust the cutting speed and the feed rate within the above conditions according to the actual machining situation. * When finishing with LD type and FL type inserts, recommended feed rate for SOMT14 LD type: f=1.5(mm/rev) or less/for SOMT10 LD type: f=0.9(mm/rev) or less for SOMT14 FL type: f=3.0(mm/rev) or less/for SOMT10 FL type: f=1.4(mm/rev) or less * For machining center equivalent to BT30, reduce feed rate to 25% or less of the recommended condition. * For slotting, internal coolant is recommended. M147