Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 702

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9 NOMOGRAM FOR CALCULATING THE WORKING GEOMETRY OF MILLING TOOL Nomogram for calculating the working geometry of mills tan go = tan gp . sin ko + tan gf . cos kr g p Radial rake angle Orthogonal angle of cutting edge go Axial rake angle g f +30° +30° +25° +25° +30° +20° +25° +20° +15° +20° +15° +10° B D +15°+10° +10° +5° +5° A +5° 0° 0° 0° -5° -5° -5° -10° -10° -15° -10° -20° -15° -15° -25° -20° -30° -20° -25° -25° -30° C -30° 90° 85° 80° 75° 70° 65° 60°55°50°45°40° 35°30° 25° 20° 15° 10° 5° 0° Setting angle of cutting edge kr tan ls = tan gf . sin kr - tan gp . cos kr g Radial rake anglef Rake angle of cutting edge ls Axial rake angle g p +30° +30° +25° +25° +30° +20° +25° +20° +15° +20° +15° +10° +15° B +10° +10° +5° A D +5° +5° 0° 0° 0° -5° -5° -5° -10° -10° -15° -10° -20° -15° -15° -25° -20° -30° -20° -25° -25° -30° C -30° 90° 85° 80° 75° 70° 65° 60° 55° 50° 45° 40° 35° 30° 25° 20° 15° 10° 5° 0° Setting angle okf rcutting edge kr 701