Copy Mills Copy Mills • M170™ Series Recommended Starting Speeds „Recommended Starting Speeds [m/min] MaterialGroup TN2505 TN6525 TN6540 1 550 420 360 410 320 280 360 280 240 2 320 240 205 320 250 215 250 190 170 3 320 240 205 280 215 185 215 170 140 P 4 – – – 235 170 145 180 130 110 5 – – – 310 235 200 240 180 150 6 – – – 205 160 130 160 120 100 1 – – – 190 120 80 130 80 60 M 2 – – – 120 80 50 80 50 40 3 – – – 125 80 55 85 50 40 1 400 300 250 275 245 220 220 205 180 K 2 540 365 280 215 190 180 175 155 140 3 310 190 155 180 160 145 155 145 125 1 – – – – – – – – – N 2 – – – – – – – – – 3 – – – – – – – – – 1 – – – – – – 50 35 30 2 – – – – – – 25 20 10 S 3 – – – – – – 70 40 30 4 – – – – – – 60 30 25 1 175 140 95 – – – – – – H 2 175 140 95 – – – – – – 3 140 115 80 – – – – – – NOTE: FIRST choice starting speeds are in bold type. As the average chip thickness increases, the speed should be decreased. Recommended Starting Feeds „Recommended Starting Feeds [mm] Light General Heavy Machining Purpose Machining At 8,00 Axial Depth of Cut (ap) Programmed Feed per Tooth (fz) Insert as a % of Radial Depth of Cut (ae) Insert Geometry 5% 10% 20% 30% 40–100% Geometry MM 0,39 0,52 0,82 0,28 0,37 0,59 0,21 0,28 0,44 0,18 0,24 0,38 0,17 0,22 0,35 MM MH 0,51 0,70 1,17 0,37 0,50 0,84 0,28 0,38 0,63 0,24 0,33 0,55 0,22 0,30 0,50 MH At 4,00 Axial Depth of Cut (ap) Programmed Feed per Tooth (fz) Insert as a % of Radial Depth of Cut (ae) Insert Geometry 5% 10% 20% 30% 40–100% Geometry MM 0,45 0,60 0,94 0,32 0,43 0,68 0,24 0,32 0,51 0,21 0,28 0,44 0,19 0,26 0,40 MM MH 0,59 0,81 1,36 0,43 0,58 0,97 0,32 0,43 0,72 0,28 0,38 0,63 0,25 0,35 0,58 MH At 2,00 Axial Depth of Cut (ap) Programmed Feed per Tooth (fz) Insert as a % of Radial Depth of Cut (ae) Insert Geometry 5% 10% 20% 30% 40–100% Geometry MM 0,59 0,79 1,24 0,43 0,57 0,89 0,32 0,42 0,66 0,28 0,37 0,58 0,25 0,34 0,53 MM MH 0,77 1,06 1,79 0,56 0,76 1,28 0,42 0,57 0,95 0,36 0,50 0,83 0,33 0,45 0,76 MH At 1,00 Axial Depth of Cut (ap) Programmed Feed per Tooth (fz) Insert as a % of Radial Depth of Cut (ae) Insert Geometry 5% 10% 20% 30% 40–100% Geometry MM 0,81 1,08 1,71 0,58 0,78 1,22 0,43 0,58 0,91 0,38 0,51 0,79 0,35 0,46 0,72 MM MH 1,06 1,46 2,48 0,76 1,04 1,75 0,57 0,78 1,30 0,50 0,68 1,13 0,45 0,62 1,03 MH NOTE: Use “Light Machining” value as starting feed rate. widia.com M69