TURNINGTAPPINGHOLEMAKINGSOLID END MILLINGINDEXABLE MILLING High-Feed Mills • M370™ • IC08 Insert Selection Guide Light General Heavy Material Machining Purpose Machining Group Geometry Grade Geometry Grade Geometry Grade P1–P2 ...MM WP40PM ...MM WP40PM ...MM WP40PM P3–P4 ...MM WP25PM ...MM WP40PM ...MH WP40PM P5–P6 ...MM WP25PM ...MH WP25PM ...MH WP40PM M1–M2 ...MM WP25PM ...MM WS30PM ...MM WP40PM M3 ...MM WP25PM ...MM WP25PM ...MM WP40PM K1–K2 ...MH WK15CM ...MH WK15CM ...MH WK15CM K3 ...MH TN6520 ...MH TN6520 ...MH WK15CM N1–N2 – – – – – – N3 – – – – – – S1–S2 ...MM WP25PM ...MM WS30PM ...MM WP40PM S3 ...MM WS30PM ...MM WS30PM ...MM WP40PM S4 ...MM WS30PM ...MM WP40PM ...MM WP40PM H1 ...MH WP25PM – – – – Recommended Starting Speeds [m/min] MaterialGroup TN6520 TN6525 TN7535 WK15CM WP25PM WS30PM WP40PM WS40PM 1 – – – 410 320 280 545 475 445 – – – 395 340 325 – – – 355 310 295 – – – 2 – – – 320 250 215 335 305 275 – – – 330 290 240 – – – 300 260 215 – – – P 34 – – – 280 215 185 305 275 245 – – – 305 260 210 – – – 275 235 190 – – ––––235170145230210190–––270220180–––245205160––– 5 – – – 310 235 200 310 275 250 – – – 220 205 180 – – – 205 185 160 440 325 230 6 – – – 205 160 130 190 160 130 – – – 200 150 120 – – – 180 140 110 375 260 165 1 – – – 190 120 80 245 220 185 – – – 245 215 200 270 240 220 235 205 185 850 605 375 M 2 – – – 120 80 50 220 190 170 – – – 220 190 155 245 215 175 210 180 150 755 560 345 3 – – – 125 80 55 175 155 140 – – – 170 145 115 185 160 125 155 140 110 625 440 280 1 450 320 230 275 245 220 355 320 290 505 460 410 275 245 220 – – – – – – – – – K 2 390 250 190 215 190 180 280 250 230 400 355 330 215 190 180 – – – – – – – – – 3 300 230 160 180 160 145 235 210 190 335 300 275 180 160 145 – – – – – – – – – 1 – – – – – – – – – – – – – – – – – – – – – – – – N 2 – – – – – – – – – – – – – – – – – – – – – – – – 3 – – – – – – – – – – – – – – – – – – – – – – – – 1 – – – – – – – – – – – – 50 40 30 55 50 35 50 40 35 200 145 90 S 23 – – – – – – – – – – – – 50 40 30 55 50 35 50 40 35 180 130 85––––––––––––60503065553560503521015095 4 – – – – – – – – – – – – 85 60 40 100 70 50 80 60 40 295 215 135 1 – – – – – – – – – – – – 145 110 85 – – – – – – – – – H 2 – – – – – – – – – – – – – – – – – – – – – – – – 3 – – – – – – – – – – – – – – – – – – – – – – – – NOTE: FIRST choice starting speeds are in bold type. As the average chip thickness increases, the speed should be decreased. Recommended Starting Feeds [mm] Light General Heavy Machining Purpose Machining Programmed Feed per Tooth (fz) Insert as a % of Radial Depth of Cut (ae) Insert Geometry 5% 10% 20% 30% 40–100% Geometry ..MM 0,90 1,67 4,09 0,65 1,19 2,83 0,48 0,88 2,08 0,42 0,77 1,80 0,38 0,70 1,64 ..MM ..MH 0,90 2,34 5,00 0,65 1,66 3,41 0,48 1,23 2,49 0,42 1,07 2,16 0,38 0,98 1,97 ..MH NOTE: Use “Light Machining” values as starting feed rate. = ALL-STAR PORTFOLIO PRODUCT. ALL-STAR PRODUCTS ARE PROVEN SOLUTIONS THAT ARE ALWAYS AVAILABLE. A96 widia.com