
Small Lathe Tools Insert Grade Selection In 1984, Sumitomo Electric Hardmetal first released the SEC-MINI Tool Holder series for small product machining in small NC autolathes. A full range of insert grades including AC530U and AC1030U as well as Cermet T1500A, Carbide For Small BL130, SUMIBORON BN2000, and SUMIDIA DA1000 are Lathes available to meet a variety of machining requirements. A high-precision grade, ACZ150, has been added to support a wide range of precision application D requirements, from automotive to electronic component machining. ■ Insert Grade Selection Applicable Work Material Application Range P M K S H N Non-ferrous Metal Stainless Steel Hardened Steel General Steel Heat-Resistant Alloy Cast Iron Insert Grade Finishing to Light High Precision Medium Cutting Cutting ACZ150 G G S AC5015S S G S G Coated Carbide (PVD) AC5025S S G S G AC530U G G S S S AC1030U G G S S S Uncoated Cermet T1000A G S G S Coated Cermet T1500A / T1500Z G S S S BL130 S S S S Carbide H1 S S S G EH510 S S S G S CBN BN1000 / BN2000 G (SUMIBORON) BN7000 G S PCD (SUMIDIA) DA1000 G G 1st Recommendation S 2nd Recommendation ■ Recommended Cutting Conditions P Free-Cutting Steel P Carbon Steel M Stainless Steel S Heat-Resistant Alloy H Hardened Steel N Aluminum Alloy N Brass vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) vc (m/min) f (mm/rev) ACZ150 50 to 200 0.02 to 0.10 50 to 150 0.01 to 0.08 50 to 150 0.01 to 0.05 70 to 300 0.05 to 0.20 70 to 300 0.05 to 0.20 AC5015S 50 to 200 0.02 to 0.15 50 to 200 0.02 to 0.10 50 to 200 0.02 to 0.10 30 to 100 0.02 to 0.10 70 to 300 0.05 to 0.20 AC5025S 50 to 200 0.02 to 0.15 50 to 200 0.02 to 0.10 50 to 200 0.02 to 0.10 30 to 100 0.02 to 0.10 70 to 300 0.05 to 0.20 AC530U 50 to 200 0.02 to 0.15 50 to 200 0.02 to 0.10 50 to 200 0.02 to 0.10 70 to 300 0.05 to 0.20 AC1030U 50 to 150 0.02 to 0.15 50 to 150 0.02 to 0.10 50 to 150 0.02 to 0.10 70 to 300 0.05 to 0.20 T1000A 50 to 200 0.02 to 0.15 50 to 200 0.02 to 0.10 50 to 150 0.02 to 0.10 70 to 300 0.05 to 0.20 70 to 300 0.05 to 0.20 T1500A 50 to 200 0.02 to 0.15 50 to 200 0.02 to 0.10 50 to 150 0.02 to 0.10 70 to 300 0.05 to 0.20 70 to 300 0.05 to 0.20 T1500Z 50 to 200 0.02 to 0.15 50 to 200 0.02 to 0.10 50 to 150 0.02 to 0.10 70 to 300 0.05 to 0.20 70 to 300 0.05 to 0.20 BN1000 120 to 300 0.03 to 0.15 BN2000 50 to 200 0.03 to 0.20 BN7000 50 to 200 0.05 to 0.20 DA1000 70 to 300 0.02 to 0.10 70 to 300 0.02 to 0.10 Red text: 1st recommendation, Blue text: 2nd recommendation D6