Общий каталог ZCC-CT 2019 - страница 936

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1 7 TurningMillingDrillingTechnicalInformationIndex Technical information – milling Technical information Solid carbide millsTerminology A 2 5 6 1. Cutting edge diameter 2. Chip pocket 3. Length of cutting edge A 4. Total length 3 5. Neck6. Shank 4 7. Shank diameter 1 1. Chamfer width, main cutting edge 2 2. Chamfer width, diameter B 7 4 5 6 3. Neck, front side4. Primary radial clearance angle B5. Secondary radial clearance angle 6. Radial rake angle 3 8 7. Axial main cutting edge8. Core diameter 1 5 6 1. Cutting edge 2. Axial rake angle C 2 3. Primary axial clearance angle4. Secondary axial clearance angle 5. Inclination angle 3 6. Radial cutting edge 4 C Teeth, chip pocket and tool rigidity Teeth 2 flutes 3 flutes 4 flutes Cross section Cutting edge ratio 54 % 56 % 60 % D Advantages ± Large chip pocket± Good chip removal± Good chip removal ± Good rigidity± Good surface quality± Good surface ± Slot milling ± Slot milling ± Slot milling (flat) Application ± Square shoulder milling ± Square shoulder milling ± Square shoulder milling ± Drilling ± Finishing ± Finishing Length of cutting edge (overhang) and cutting diameter The shorter the overhang, the stronger the rigidity. Thus isn't easy to generate.Bend and vibration in the cutting process may occur.l E Length (overhang) increases by 1 time, the deflection degree (f ) will be 8 times of F the former one. f Reduce the overhang by 20 % the deflection degree (f) will decrease by 50 % Increase the diameter by 20 % f= F × l33×E×l= F × l3 × 643×E×l the deflection degree (f) will decrease by 50 % B 473