Cutting Time
Power Requirements
Cutting Speed
Spindle Speed
Feed Rate
Theoretical surface roughness
Horsepower
Material Removal Rate
Cutting Force
＞ Calculation Formula
1. Cutting Time Tc [sec]
Length of Cut
sec
Diameter
Max. Diameter
Min. Diameter
Number of Pass
Max.Diameter
Diameter at nmax
Max.Spindle Speed
2. Power Requirements Pc [kW]
Depth of Cut
Specific Cutting Force [P]:Un alloyed 1,500MPa [P]:Low alloyed 2,000MPa [P]:High alloyed 3,000MPa [M]:Austenitic 2,000MPa [M]:Ferritic 2,500MPa [K]:Malleable 900MPa [K]:Grey 1,200MPa [K]:Ductile 1,500MPa [N]:Al based alloys 500MPa [N]:Cu based alloys 900MPa [S]:Ti based alloys 1,400MPa [S]:Fe based alloys 2,500MPa [S]:Ni based alloys 2,800MPa [S]:Co based alloys 3,000MPa [H]:Hardened steel 3,300MPa 50-55HRC [H]:Hardened steel 4,500MPa 60-63HRC [H]:Hardened cast iron 3,500MPa
Machine Efficiency(70-85)
kW
3. Cutting Speed vc [m/min]
m/min
4. Spindle Speed n [min-1]
min-1
5. Feed Rate f [mm/rev]
Length of Cut/min
mm/rev
6. Theoretical surface roughness h [μm]
Nose R
μm
7. Horsepower H [HP]
HP
8. Material Removal Rate Q [cm3/min]
cm3/min
9. Cutting Force P [kN]
kN
Free
