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Cemented Carbide Tools Cutting Formula

Commonly used formula of cutting

Metric System
Description Symbols Unit Formula
Cutting speed Vc (m/min) Vc=(π×d×n)/1000
Rotation speed n (rev/min) n=(Vc×1000)/(π×d)
Feed speed Vf (mm/min) Vf=fz×Z×n
Feed rate per revolution f (mm/rev) f=fz×Z
Feed rate per tooth fz (mm) fz=Vf/(Z×n)

Inch
Description Symbols Unit Formula
Cutting speed Vc (inch/min) Vc=(π×d×n)/12
Rotation speed n (rev/min) n=(Vc×12)/(π×d)
Feed speed Vf (mm/min) Vf=fz×Z×n
Feed rate per revolution f (inch/rev) f=fz×Z
Feed rate per tooth fz (inch) fz=Vf/(Z×n)

Effective diameter of cutter Effective diameter of cutter
Effective diameter of cutter Effective diameter of cutter
Effective cutting speed effective cutting speed
Average cutting speed average cutting speed

Cutting is the most important processing method in the mechanical manufacturing. Blank manufacturing continuously improve the accuracy, precision casting, forging, extrusion, powder metallurgy process applications more popular, but adapt to a wide range of cutting, and can achieve high accuracy and low surface roughness, mechanical manufacturing processes still occupy an important position.

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