MFH Harrier ◆ Recommended Cutting Conditions Toolholder Description and Feed Rate (fz:mm/t) Recommended Insert Grades Insert Type (Cutting Speed Vc:m/min) Workpiece Material CVD MEGACOAT NANO Coated MFH25-… MFH32-… MFH40-… MFH…R-10-… MFH…R-14-… Carbide PR1535 PR1525 PR1510 CA6535 Carbon Steel 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0 ☆ ★ - - 0.2~0.4~0.5(ap≦1.5mm) 0.3~0.7~1.0(ap≦1.5mm) 0.4~1.0~1.5(ap≦1.5mm) 120~180~250 120~180~250 Alloy Steel 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0 ☆ ★ - - 0.2~0.4~0.5(ap≦1.5mm) 0.3~0.7~1.0(ap≦1.5mm) 0.4~1.0~1.5(ap≦1.5mm) 100~160~220 100~160~220 Mold Steel (~40HRC) 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ☆ ★ - - 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 80~140~180 80~140~180 Mold Steel (40~50HRC) 0.15~0.3~0.5(ap≦1.0mm) 0.2~0.5~0.8(ap≦1.0mm) 0.2~0.6~0.9(ap≦1.0mm) 0.2~0.7~1.0 ☆ ★ - - 0.15~0.2~0.25(ap≦1.5mm) 0.2~0.3~0.45(ap≦1.5mm) 0.2~0.5~0.7(ap≦1.5mm) 60~100~130 60~100~130 Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ☆ ☆ - - (Austenitic related) 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 100~160~200 100~160~200 GM Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ☆ - - ★ (Martensitic related) 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 150~200~250 180~240~300 Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ★ - - - (Precipitation Hardening) 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 90~120~150 Gray Cast Iron 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0 - - ★ - 0.2~0.4~0.5(ap≦1.5mm) 0.3~0.7~1.0(ap≦1.5mm) 0.4~1.0~1.5(ap≦1.5mm) 120~180~250 Nodular Cast Iron 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 - - ★ - 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 100~150~200 Ni-base heat-resistant alloys 0.2~0.4~0.6(ap≦1.0mm) 0.2~0.5~0.9(ap≦1.0mm) 0.2~0.6~1.0(ap≦1.0mm) 0.2~0.8~1.2 ☆ - - ★ 0.15~0.2~0.3(ap≦1.5mm) 0.2~0.4~0.6(ap≦1.5mm) 0.2~0.5~0.8(ap≦1.5mm) 20~30~50 20~30~50 Titanium Alloys 0.2~0.4~0.6(ap≦1.0mm) 0.2~0.5~0.9(ap≦1.0mm) 0.2~0.6~1.0(ap≦1.0mm) 0.2~0.8~1.2 ★ - ☆ - 0.15~0.2~0.3(ap≦1.5mm) 0.2~0.4~0.6(ap≦1.5mm) 0.2~0.5~0.8(ap≦1.5mm) 40~60~80 30~50~70 Carbon Steel 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0(ap≦1.0mm) 0.5~1.5~2.0(ap≦2.0mm) ☆ ★ - - 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦3.5mm) 0.06~0.2~0.3(ap≦3.5mm) 0.06~0.2~0.3(ap≦3.5mm) 0.06~0.2~0.4(ap≦5.0mm) 120~180~250 120~180~250 Alloy Steel 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0(ap≦1.0mm) 0.5~1.5~2.0(ap≦2.0mm) ☆ ★ - - 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦3.5mm) 0.06~0.2~0.3(ap≦3.5mm) 0.06~0.2~0.3(ap≦3.5mm) 0.06~0.2~0.4(ap≦5.0mm) 100~160~220 100~160~220 Mold Steel (~40HRC) 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.2~1.8(ap≦2.0mm) ☆ ★ - - 0.06~0.08~0.15(ap≦3.5mm) 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦5.0mm) 80~140~180 80~140~180 Mold Steel (40~50HRC) 0.2~0.3~0.5(ap≦1.0mm) 0.2~0.5~0.8(ap≦1.0mm) 0.2~0.6~0.9(ap≦1.0mm) 0.2~0.7~1.0(ap≦1.0mm) 0.2~0.7~1.0(ap≦2.0mm) ☆ ★ - - 0.03~0.05~0.1(ap≦3.5mm) 0.03~0.08~0.15(ap≦3.5mm) 0.03~0.1~0.15(ap≦3.5mm) 0.03~0.1~0.15(ap≦3.5mm) 0.03~0.1~0.2(ap≦5.0mm) 60~100~130 60~100~130 Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.2~1.8(ap≦2.0mm) ★ ☆ - - (Austenitic related) 0.06~0.08~0.15(ap≦3.5mm) 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 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 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.2~1.8(ap≦2.0mm) ☆ - - ★ (Martensitic related) 0.06~0.08~0.15(ap≦3.5mm) 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦5.0mm) 150~200~250 180~240~300 M Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.2~1.8(ap≦2.0mm) ★ - - - (Precipitation Hardening) 0.06~0.08~0.15(ap≦3.5mm) 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦5.0mm) 90~120~150 Gray Cast Iron 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0(ap≦1.0mm) 0.5~1.5~2.0(ap≦2.0mm) - - ★ - 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦3.5mm) 0.06~0.2~0.3(ap≦3.5mm) 0.06~0.2~0.3(ap≦3.5mm) 0.06~0.2~0.4(ap≦5.0mm) 120~180~250 Nodular Cast Iron 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.2~1.8(ap≦2.0mm) - - ★ - 0.06~0.08~0.15(ap≦3.5mm) 0.06~0.1~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.2(ap≦3.5mm) 0.06~0.15~0.3(ap≦5.0mm) 100~150~200 Milling Ni-base heat-resistant alloys 0.2~0.4~0.6(ap≦1.0mm) 0.2~0.5~0.9(ap≦1.0mm) 0.2~0.6~1.0(ap≦1.0mm) 0.2~0.8~1.2(ap≦1.0mm) 0.2~0.8~1.2(ap≦2.0mm) ☆ - - ★ 0.03~0.05~0.1(ap≦3.5mm) 0.03~0.08~0.15(ap≦3.5mm) 0.03~0.1~0.15(ap≦3.5mm) 0.03~0.1~0.15(ap≦3.5mm) 0.03~0.1~0.2(ap≦5.0mm) 20~30~50 20~30~50 Titanium Alloys 0.2~0.4~0.6(ap≦1.0mm) 0.2~0.5~0.9(ap≦1.0mm) 0.2~0.6~1.0(ap≦1.0mm) 0.2~0.8~1.2(ap≦1.0mm) 0.2~0.8~1.2(ap≦2.0mm) ★ - ☆ - 0.03~0.05~0.1(ap≦3.5mm) 0.03~0.08~0.15(ap≦3.5mm) 0.03~0.1~0.15(ap≦3.5mm) 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 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0 ☆ ★ - - 0.2~0.4~0.5(ap≦1.5mm) 0.3~0.7~1.0(ap≦1.5mm) 0.4~1.0~1.5(ap≦1.5mm) 120~180~250 120~180~250 Alloy Steel 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0 ☆ ★ - - 0.2~0.4~0.5(ap≦1.5mm) 0.3~0.7~1.0(ap≦1.5mm) 0.4~1.0~1.5(ap≦1.5mm) 100~160~220 100~160~220 Mold Steel (~40HRC) 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ☆ ★ - - 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 80~140~180 80~140~180 Mold Steel (40~50HRC) 0.15~0.3~0.5(ap≦1.0mm) 0.2~0.5~0.8(ap≦1.0mm) 0.2~0.6~0.9(ap≦1.0mm) 0.2~0.7~1.0 ☆ ★ - - 0.15~0.2~0.25(ap≦1.5mm) 0.2~0.3~0.45(ap≦1.5mm) 0.2~0.5~0.7(ap≦1.5mm) 60~100~130 60~100~130 Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ★ ☆ - - (Austenitic related) 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 100~160~200 100~160~200 FL Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ☆ - - ★ (Martensitic related) 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 150~200~250 180~240~300 Stainless Steel 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 ★ - - - (Precipitation Hardening) 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 90~120~150 Gray Cast Iron 0.5~0.8~1.0(ap≦1.0mm) 0.5~1.0~1.5(ap≦1.0mm) 0.5~1.2~1.8(ap≦1.0mm) 0.5~1.5~2.0 - - ★ - 0.2~0.4~0.5(ap≦1.5mm) 0.3~0.7~1.0(ap≦1.5mm) 0.4~1.0~1.5(ap≦1.5mm) 120~180~250 Nodular Cast Iron 0.5~0.7~0.8(ap≦1.0mm) 0.5~0.8~1.2(ap≦1.0mm) 0.5~1.0~1.6(ap≦1.0mm) 0.5~1.2~1.8 - - ★ - 0.2~0.3~0.4(ap≦1.5mm) 0.3~0.6~0.8(ap≦1.5mm) 0.4~0.8~1.2(ap≦1.5mm) 100~150~200 Ni-base heat-resistant alloys 0.2~0.4~0.6(ap≦1.0mm) 0.2~0.5~0.9(ap≦1.0mm) 0.2~0.6~1.0(ap≦1.0mm) 0.2~0.8~1.2 ☆ - - ★ 0.15~0.2~0.3(ap≦1.5mm) 0.2~0.4~0.6(ap≦1.5mm) 0.2~0.5~0.8(ap≦1.5mm) 20~30~50 20~30~50 Titanium Alloys 0.2~0.4~0.6(ap≦1.0mm) 0.2~0.5~0.9(ap≦1.0mm) 0.2~0.6~1.0(ap≦1.0mm) 0.2~0.8~1.2 ★ - ☆ - 0.15~0.2~0.3(ap≦1.5mm) 0.2~0.4~0.6(ap≦1.5mm) 0.2~0.5~0.8(ap≦1.5mm) 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) for SOMT14 FL type: f=3.0(mm/rev) or less / for SOMT10 FL type: f=1.4(mm/rev) * For machining center equivalent to BT30, reduce feed rate to 25% or less of the recommended condition. * For slotting, internal coolant is recommended. M121