EWN/EWE 2-152
Fine Boring Heads
Ø 54.0 - 80.0
View 180° twisted
x
Ø 54 - 80
615.306
615.387B
Ø 16
universal Ø 54.0-80.0 mm
Boring depth
Workpiece material
Inserts Allow. mm/Ø Feed mm/U X [mm] Order No. R m/min Std. val. Max. Ra 1.6 Max. Vc
Steel
30 40 50 60
655.318 0.4 200 655.318 0.4 180 655.318 0.4 160 655.319 0.2 140
0.2 0.8 0.10 0.18 0.2 0.6 0.10 0.14 0.2 0.4 0.10 0.10 0.2 0.4 0.06 0.08
< 450 N/mm2
1.0037 1.0401 1.0715
Steel
30 40 50 60
655.318 0.4 200 655.318 0.4 180 655.318 0.4 160 655.319 0.2 140
0.2 0.8 0.10 0.18 0.2 0.6 0.10 0.14 0.2 0.4 0.10 0.10 0.2 0.4 0.06 0.08
450-850 N/mm2
1.0050
P 1.0503
1.1141 1.1191 1.5752 Steel
30
655.318 0.4 200 655.318 0.4 180 655.318 0.4 160 655.319 0.2 140
0.2 0.8 0.10 0.18 0.2 0.6 0.10 0.14 0.2 0.4 0.10 0.10 0.2 0.4 0.06 0.08
850-1200 N/mm2 40
1.2083 1.2294
50 60
1.2312 1.2344 1.2764 Stainless steels,
30 40 50 60
655.318 0.4 200 655.318 0.4 180 655.318 0.4 160 655.319 0.2 140
0.2 0.8 0.10 0.18 0.2 0.6 0.10 0.14 0.2 0.4 0.10 0.10 0.2 0.4 0.06 0.08
ferritic,
martensitic
1.4016
1.4024 1.4034 M 1.4762
Stainless steels,
30 40 50 60
655.318 0.4 200 655.318 0.4 180 655.318 0.4 160 655.319 0.2 140
0.2 0.8 0.10 0.18 0.2 0.6 0.10 0.14 0.2 0.4 0.10 0.10 0.2 0.4 0.06 0.08
austenitic
1.4301 1.4311
1.4401 1.4435 1.4571 Gray cast iron
30 40 50 60
655.380 0.4 200 655.380 0.4 200 655.373 0.2 170 655.373 0.2 130
0.2 1.8 0.10 0.18 0.2 1.5 0.10 0.14 0.2 1.0 0.10 0.10 0.2 0.8 0.06 0.10
GG15
K GG 20
GG 25 GG 30
Caution: The given cutting data are guide values. In any case, they have to be adapted to the actual working conditions.
138
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