Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 702

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NOMOGRAM FOR CALCULATING THE WORKING GEOMETRY OF MILLING TOOL

Nomogram for calculating the working geometry of mills tan γ = tan γ . sin k + tan γ . cos k

γ o p o f r γ

Radial rake angle Orthogonal angle of cutting edge γ Axial rake angle

pof
+30°+30°
+25°+25°
+20°+30°+20°
+25°
+15°+20°+15°
+10°D B +15°+10°
+10°
+5°+5°A +5°
0°0°0°
-5°-5°-5°
-10°
-10°-15°-10°
-15°-20°-15°
-25°
-20°-20°
-30°
-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 k r

tan l = tan γ . sin k - tan γ . cos k

γ s f r p r γ

Radial rake angle Rake angle of cutting edge l Axial rake angle

fsp
+30°+30°
+25°+25°
+20°+30°+20°
+25°
+15°+20°+15°
+10°+15°B +10°
D +10°
+5°A +5°+5°
0° 0°0°
-5° -5°-5°
-10°
-10°-10°
-15°
-15°-20°-15°
-25°
-20°-20°
-30°
-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 kkk rr r