TURNINGTAPPINGHOLEMAKINGSOLID END MILLINGINDEXABLE MILLING Face Mills • M640 Insert Selection Guide Light General Heavy Material Machining Purpose Machining Group Geometry Grade Geometry Grade Geometry Grade P1–P2 .E..LD WP40PM .E..GD WP40PM .E..GD WP40PM P3–P4 .E..LD WP25PM .E..GD WP35CM .E..GD WP35CM P5–P6 .E..LD WP25PM .E..GD WP35CM .E..GD WP35CM M1–M2 .E..LD WP25PM .E..GD WP25PM .E..GD WP25PM M3 .E..LD WP40PM .E..GD WP35CM .E..GD WP35CM K1–K2 .E..LD TN6510 .E..GD WK15CM .E..GD WK15CM K3 .E..LD TN6520 .E..GD WP35CM .E..GD WP35CM N1–N2 .F..LDAL TN6501 .F..LDAL TN6501 .F..LDAL TN6501 N3 .F..LDAL TN6501 .F..LDAL TN6501 .F..LDAL TN6501 S1–S2 .E..LD WP25PM .E..GD WP25PM .E..GD WP25PM S3 .E..GD WS30PM .E..GD WS30PM .E..GD WP40PM S4 .E..GD WS30PM .E..GD WS30PM .E..GD WP40PM H1 – – – – – – Recommended Starting Speeds [m/min] MaterialGroup TN6510 TN6520 TN6525 TN6540 TN7525 TN7535 WK15CM 1 – – – – – – 410 320 280 360 280 240 410 310 280 545 475 445 – – – 2 – – – – – – 320 250 215 250 190 170 310 250 215 335 305 275 – – – P 34 – – – – – – 280 215 185 215 170 140 280 215 185 305 275 245 – – –––––––235170145180130110235170145230210190––– 5 – – – – – – 310 235 200 240 180 150 310 235 200 310 275 250 – – – 6 – – – – – – 205 160 130 160 120 100 205 160 130 190 160 130 – – – 1 – – – – – – 190 120 80 130 80 60 245 220 185 245 220 185 – – – M 2 – – – – – – 120 80 50 80 50 40 220 190 170 220 190 170 – – – 3 – – – – – – 125 80 55 85 50 40 175 155 140 175 155 140 – – – 1 480 350 260 450 320 230 275 245 220 220 205 180 380 280 240 355 320 290 505 460 410 K 2 420 280 205 390 250 190 215 190 180 175 155 140 325 240 200 280 250 230 400 355 330 3 335 260 200 300 230 160 180 160 145 155 145 125 240 200 170 235 210 190 335 300 275 1 – – – – – – – – – – – – – – – – – – – – – N 2 – – – – – – – – – – – – – – – – – – – – – 3 – – – – – – – – – – – – – – – – – – – – – 1 – – – – – – – – – 50 35 30 – – – – – – – – – S 23 – – – – – – – – – 25 20 10 – – – – – – – – ––––––––––704030––––––––– 4 – – – – – – – – – 60 30 25 – – – – – – – – – 1 – – – – – – – – – – – – – – – – – – – – – H 2 – – – – – – – – – – – – – – – – – – – – – 3 – – – – – – – – – – – – – – – – – – – – – MaterialGroup WP25PM WP35CM WP40PM WS30PM WS40PM TN6501 THM-U THM 1 395 340 325 545 475 445 355 310 295 – – – – – – – – – – – – – – – 2 330 290 240 335 305 275 300 260 215 – – – – – – – – – – – – – – – P 3 305 260 210 305 275 245 275 235 190 – – – – – – – – – – – – – – –4270220180230210190245205160––––––––––––––– 5 220 205 180 310 275 250 205 185 160 – – – 205 175 145 – – – – – – – – – 6 200 150 120 190 160 130 180 140 110 – – – 180 130 95 – – – – – – – – – 1 245 215 200 245 220 185 235 205 185 270 240 220 250 205 170 – – – – – – – – – M 2 220 190 155 220 190 170 210 180 150 245 215 175 215 175 145 – – – – – – – – – 3 170 145 115 175 155 140 155 140 110 185 160 125 175 130 100 – – – – – – – – – 1 275 245 220 355 320 290 – – – – – – – – – – – – 230 205 180 145 110 90 K 2 215 190 180 280 250 230 – – – – – – – – – – – – – – – 150 120 85 3 180 160 145 235 210 190 – – – – – – – – – – – – – – – 155 115 70 1 – – – – – – – – – – – – – – – 2400 1440 1200 2400 1440 1200 1080 720 600 N 2 – – – – – – – – – – – – – – – 1640 980 800 1640 980 800 820 560 460 3 – – – – – – – – – – – – – – – 960 600 480 960 600 480 540 335 240 1 50 40 30 – – – 50 40 35 55 50 35 50 40 30 – – – – – – – – – S 2 50 40 30 – – – 50 40 35 55 50 35 50 40 30 – – – – – – – – –3605030–––605035655535605030––––––––– 4 85 60 40 80 60 40 80 60 40 100 70 50 70 60 35 – – – – – – – – – 1 – – – – – – – – – – – – – – – – – – – – – – – – H 2 – – – – – – – – – – – – – – – – – – – – – – – – 3 – – – – – – – – – – – – – – – – – – – – – – – – NOTE: FIRST choice starting speeds are in bold type. As the average chip thickness increases, the speed should be decreased. A80 widia.com