WIDIA - vrtání | KL-TECH s.r.o. | www.klte.cz widia-vrtání | Page 259

Hole Finishing Tool Selection Guide
achievable surface quality Ra
P M K N S H
capability
cost / part
cycle time
required operator experience page( s)
20 – 40 μ-in 20 – 40 μ-in 20 – 60 μ-in 0,5 – 1,0 μm 0,5 – 1,0 μm 0,5 – 1,5 μm
20 – 40 μ-in 0,5 – 1,0 μm
– � � � � moderate low low
W8 – W10, W13 – W14
20 – 40 μ-in 20 – 40 μ-in 20 – 60 μ-in 0,5 – 1,0 μm 0,5 – 1,0 μm 0,5 – 1,5 μm
20 – 40 μ-in 0,5 – 1,0 μm
– � �
carbide only
carbide only
moderate low low
W11 – W12, W15 – W16
32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 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
< 48 μ-in < 1,2 μm
� � � � low moderate
low – moderate
W49 – W51
32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 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
< 48 μ-in < 1,2 μm
� � � � low moderate
low – moderate
W52 – W53
40 – 200 μ-in 1,0 – 5,0 μm
40 – 200 μ-in 40 – 200 μ-in 40 – 80 μ-in 1,0 – 5,0 μm 1,0 – 5,0 μm 1,0 – 2,0 μm
40 – 200 μ-in 1,0 – 5,0 μm
– � � � � low moderate
low – moderate
W36 – W37
40 – 200 μ-in 1,0 – 5,0 μm
40 – 200 μ-in 40 – 200 μ-in 40 – 80 μ-in 1,0 – 5,0 μm 1,0 – 5,0 μm 1,0 – 2,0 μm
40 – 200 μ-in 1,0 – 5,0 μm
– � � � � low low
low – moderate
W38 – W39
40 – 200 μ-in 1,0 – 5,0 μm
40 – 200 μ-in 40 – 200 μ-in 40 – 80 μ-in 1,0 – 5,0 μm 1,0 – 5,0 μm 1,0 – 2,0 μm
40 – 200 μ-in 1,0 – 5,0 μm
– � � � � low moderate
low – moderate
W40 – W45
32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 32 – 80 μ-in 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
– � � � � low moderate
low – moderate
W46 – W48
32 – 80μ-in-2,0 μm
32 – 80μ-in-2,0 μm
32 – 80μ-in-2,0 μm
32 – 80 μ-in 0,8 – 2,0 μm
– – � � � � very low very low moderate W76 – W77
32 – 80μ-in-2,0 μm
32 – 80μ-in-2,0 μm
32 – 80μ-in-2,0 μm
32 – 80 μ-in 0,8 – 2,0 μm
– – � � � � very low very low moderate W74 – W75
– – –
4 – 32 μ-in 0,1 – 0,8 μm
– – � � � � low very low moderate W80 – W81
– – –
4 – 32 μ-in 0,1 – 0,8 μm
– – � � � � low very low moderate W80 – W81
Ra Surface roughness NOTE: Surface roughness values are guidelines and depend on the application, coolant situation, machine, and cutting data applied.
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