capability achievable surface quality Ra required operator

P M K N S H cost/part cycle time experience page(s)

20–40 μ-in 20–40 μ-in 20–60 μ-in 20–40 μ-in W8–W10,

  • moderate low low

0,5–1,0 μm 0,5–1,0 μm 0,5–1,5 μm 0,5–1,0 μm W13–W14

20–40 μ-in 20–40 μ-in 20–60 μ-in 20–40 μ-in W11–W12,

  • carbide carbide moderate low low

0,5–1,0 μm 0,5–1,0 μm 0,5–1,5 μm 0,5–1,0 μm W15–W16

only only

32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in <48 μ-in low–

low moderate W49–W51

0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm <1,2 μm moderate

32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in <48 μ-in low–

low moderate W52–W53

0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm <1,2 μm moderate

40–200 μ-in 40–200 μ-in 40–200 μ-in 40–80 μ-in 40–200 μ-in low–

  • low moderate W36–W37

1,0–5,0 μm 1,0–5,0 μm 1,0–5,0 μm 1,0–2,0 μm 1,0–5,0 μm moderate

40–200 μ-in 40–200 μ-in 40–200 μ-in 40–80 μ-in 40–200 μ-in low–

  • low low W38–W39

1,0–5,0 μm 1,0–5,0 μm 1,0–5,0 μm 1,0–2,0 μm 1,0–5,0 μm moderate

40–200 μ-in 40–200 μ-in 40–200 μ-in 40–80 μ-in 40–200 μ-in low–

  • low moderate W40–W45

1,0–5,0 μm 1,0–5,0 μm 1,0–5,0 μm 1,0–2,0 μm 1,0–5,0 μm moderate

32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in 32–80 μ-in low–

  • low moderate W46–W48

0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm 0,8–2,0 μm moderate

32–80μ-in 32–80μ-in 32–80μ-in 32–80 μ-in

  • very low very low moderate W76–W77

-2,0 μm -2,0 μm -2,0 μm 0,8–2,0 μm

32–80μ-in 32–80μ-in 32–80μ-in 32–80 μ-in

  • very low very low moderate W74–W75

-2,0 μm -2,0 μm -2,0 μm 0,8–2,0 μm

4–32 μ-in

  • low very low moderate W80–W81

0,1–0,8 μm

4–32 μ-in

  • low very low moderate W80–W81

0,1–0,8 μm

Ra Surface roughness NOTE: Surface roughness values are guidelines and depend on the application, coolant situation, machine, and cutting data applied.