
Steel Turning Insert Selection Guide Main Chipbreakers Selection Insert Negative Type Positive Type NMU NMU 6 NME 3 NMU NME NGE NSU NMU NSU Depth of Cut (mm) Depth of Cut (mm) (Crater- and Wear-Resistant) 4 2 NGU NGU NLU NGE (Sharper Edge) NLB 2 NSU 1 NSU NLU NLB NSE NFE NSE NFB NFB 0 0 0,2 0,4 0,6 0,2 0,4 Feed Rate (mm/rev) NFE Feed Rate (mm/rev) Sub-Chipbreakers Negative Type Chipbreakers for Strong Edge Chipbreakers High-Efficiency Machining 6 6 NME NMX Depth of Cut (mm) Depth of Cut (mm) 4 4 NUX NGE NSE 2 2 NSX NFE 0 0,2 0,4 0,6 0,8 0 0,2 0,4 0,6 Feed Rate (mm/rev) Feed Rate (mm/rev) Chipbreakers for Heavy Cutting Chipbreakers for Small Depths Wiper Inserts 15 3 6 NHW NHF Depth of Cut (mm) Depth of Cut (mm) Depth of Cut (mm) 10 2 4 NGU-W NLU 1 2 5 NFE NSE-W NHU NFB NFA NLU-W NHP NMP 0 0,2 0,4 0,6 0 0,3 0,6 0,9 0 0,4 0,8 1,2 1,6 Feed Rate (mm/rev) Feed Rate (mm/rev) Feed Rate (mm/rev) Grades l Fine Finishing to Finishing l Finishing to Rough Cutting (m/min) (m/min) 500 500 AC805P AC810P Cutting Speed (vc) Cutting Speed (vc) 400 400 AC820P T1000A 300 T1500Z 300 New AC8025P 200 T1500A 200 AC830P 100 100 AC6030M New T3000Z AC1030U 0 0 Finishing Roughing Finishing Roughing Continuous Cutting General Cutting Interrupted Cutting Continuous Cutting General Cutting Interrupted Cutting A4