Indexable Milling I Solid End Milling I Holemaking I Turning High-Feed Mills • VXF™-16 Insert Selection Guide Light General Heavy Material Machining Purpose Machining Group Geometry Grade Geometry Grade Geometry Grade P1–P2 XEPT-MM WP25PM XEPT-MM WS40PM XEPT-MM WS40PM P3–P4 XEPT-MM WP25PM XEPT-MM WS40PM XEPT-MM WS40PM P5–P6 XEPT-MM WP25PM XEPT-MM WS40PM XEPT-MM WS40PM M1–M2 XEPT-MM WS40PM XEPT-MM WS40PM XEPT-MM WS40PM M3 XEPT-MM WS40PM XEPT-MM WS40PM XEPT-MM WS40PM S1–S2 XEPT-MM WP25PM XEPT-MM WS40PM XEPT-MM WS40PM S3 XEPT-MM WS40PM XEPT-MM WS40PM XEPT-MM WS40PM S4 XEPT-MM WS40PM XEPT-MM WS40PM XEPT-MM WS40PM Recommended Starting Speeds [m/min]* MaterialGroup WP25PM WS40PM 1 395 340 325 – – – 2 330 290 240 – – – P 34 305270 260220 210180 –– –– –– 5 220 205 180 205 175 145 6 200 150 120 180 130 95 1 245 215 200 250 205 170 M 2 220 190 155 215 175 145 3 170 145 115 175 130 100 1 50 40 30 50 40 30 S 23 5060 4050 3030 5060 4050 3030 4 85 60 40 70 60 35 NOTE: F IRST choice starting speeds are in bold type. As the average chip thickness increases, the speed should be decreased. *Material groups P, M, K, and H show recommended starting speeds for dry machining. For wet machining, reduce speed by 20%. *Material groups N and S show recommended starting speeds for wet machining. Not recommended for dry machining. Recommended Starting Feeds [mm] Light General Heavy Machining Purpose Machining At 2,00 Axial Depth of Cut (AP1) Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) Insert Insert Geometry Geometry 5% 10% 20% 30% 40–100% .E..MM 0,40 1,28 2,18 0,29 0,92 1,54 0,21 0,68 1,14 0,19 0,60 0,99 0,17 0,55 0,91 .E..MM At 2,50 Axial Depth of Cut (AP1) Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) Insert Insert Geometry 5% 10% 20% 30% 40–100% Geometry .E..MM 0,36 1,15 1,95 0,26 0,83 1,38 0,19 0,62 1,03 0,17 0,54 0,89 0,15 0,49 0,82 .E..MM At 3,50 Axial Depth of Cut (AP1) Recommended Starting Feed per Tooth (Fz) in Relation to % of Radial Engagement (ae) Insert Insert Geometry 5% 10% 20% 30% 40–100% Geometry .E..MM 0,30 0,98 1,66 0,22 0,71 1,18 0,17 0,53 0,88 0,14 0,46 0,76 0,13 0,42 0,70 .E..MM NOTE: Use “Light Machining” values as starting feed rate. widia.com 29 widia.com