End mill terminology Overall length Cutter-sweep Neck Flute Shank Diameter Shank diameter Comparison of sectional shape area of chip pocket Charact

End mill terminology Overall length Cutter-sweep Neck Flute Shank Diameter Shank diameter Comparison of sectional shape area of chip pocket Charact

End mill terminology Overall length Cutter-sweep Neck Flute Shank Diameter Shank diameter Comparison of sectional shape area of chip pocket Characteristics and applications of dif ferent-number-of-flute end mills 2-flutes 3-flutes 4-flutes 6-flutes Feature Advantage Chip disposability is excellent. Suitable for sinking. Low cutting resistance. Chip disposability is excellent. Suitable for sinking. High rigidity High rigidity. Superior cutting edge durability. Fault Low rigidity Diameter is not easily measured. Chip disposability is poor. Chip disposability is poor. Usage Slotting side milling sinking etc. Wide range of use. Slotting side milling Heavy cutting finishing Shallow slotting side milling Finishing High Hardness Material Shallow slotting side milling 3-flutes 45% 4-flutes 40% 6-flutes 20% Q019 TECHNICAL DATA END MILL TERMINOLOGY 2-flutes 50% of end cutting edge cutting edge Land width Secondary clearance angle Radial rake angle Corner End cutting edge End gash Axial rake angle Axial primary relief angle Axial secondary clearance angle (Groove width) Primary clearance land (Relief width) Primary clearance angle