EWN 04-22
Fine boring head
Ø 17.8-23.8
View 90° twisted x
Ø 17.8 - 21.8
Ø 19.8 - 23.8
Ø 10
615.282
615.289
EWN 04-22, universal
universal Ø 17.8 - 21.8 / 23.8 mm
optimized Ø 17.8 - 19.8 / 21.8 mm
Boring depth
Workpiece material
Inserts
Vc
Allow. mm/Ø Feed mm/U Inserts
Vc
Allow. mm/Ø Feed mm/U
X [mm] Order No. R m/min Std. val. Max. Ra 1.6 Max.
Order No. R m/min Std. val. Max. Ra 1.6 Max.
Steel
30 40 45 50
655.318 0.4 150 655.318 0.4 120 655.319 0.2 90 655.319 0.2 60
0.2 0.6 0.10 0.18 655.385 0.4 180 0.2 0.6 0.10 0.16 655.385 0.4 150 0.2 0.6 0.06 0.10 655.375 0.2 100 0.2 0.6 0.06 0.10 655.375 0.2 60
0.2 0.6 0.10 0.18 0.2 0.6 0.10 0.16 0.2 0.6 0.06 0.10 0.2 0.6 0.06 0.10
< 450 N/mm2
1.0037 1.0401 1.0715
Steel
30 40 45 50
655.318 0.4 150 655.318 0.4 120 655.319 0.2 90 655.319 0.2 60
0.2 0.6 0.10 0.18 655.385 0.4 180 0.2 0.6 0.10 0.16 655.385 0.4 150 0.2 0.6 0.06 0.10 655.375 0.2 100 0.2 0.6 0.06 0.10 655.375 0.2 60
0.2 0.6 0.10 0.18 0.2 0.6 0.10 0.16 0.2 0.6 0.06 0.10 0.2 0.6 0.06 0.10
450-850 N/mm2
1.0050
P 1.0503
1.1141 1.1191 1.5752 Steel
30
655.318 0.4 150 655.318 0.4 120 655.319 0.2 90 655.319 0.2 60
0.2 0.6 0.10 0.16 655.318 0.4 170 0.2 0.6 0.10 0.14 655.318 0.4 140 0.2 0.6 0.06 0.10 655.319 0.2 100 0.2 0.6 0.06 0.08 655.319 0.2 60
0.2 0.6 0.10 0.16 0.2 0.6 0.10 0.14 0.2 0.6 0.06 0.10 0.2 0.6 0.06 0.08
850-1200 N/mm2 40
1.2083 1.2294
45 50
1.2312 1.2344 1.2764 Stainless steels,
30 40 45 50
655.318 0.4 150 655.318 0.4 120 655.319 0.2 90 655.319 0.2 60
0.2 0.6 0.10 0.16 655.318 0.4 170 0.2 0.6 0.10 0.14 655.318 0.4 140 0.2 0.6 0.06 0.10 655.319 0.2 100 0.2 0.6 0.06 0.08 655.319 0.2 60
0.2 0.6 0.10 0.16 0.2 0.6 0.10 0.14 0.2 0.6 0.06 0.10 0.2 0.6 0.06 0.08
ferritic,
martensitic
1.4016
1.4024 1.4034 M 1.4762
Stainless steels,
30 40 45 50
655.318 0.4 150 655.318 0.4 120 655.319 0.2 90 655.319 0.2 60
0.2 0.6 0.10 0.16 655.318 0.4 160 0.2 0.6 0.10 0.14 655.318 0.4 130 0.2 0.6 0.06 0.10 655.319 0.2 100 0.2 0.6 0.06 0.08 655.319 0.2 60
0.2 0.6 0.10 0.16 0.2 0.6 0.10 0.14 0.2 0.6 0.06 0.10 0.2 0.6 0.06 0.08
austenitic
1.4301 1.4311
1.4401 1.4435 1.4571 Gray cast iron
30 40 45 50
655.380 0.4 150 655.380 0.4 120 655.370 0.2 90 655.370 0.2 60
0.2 0.6 0.10 0.18 655.380 0.4 180 0.2 0.6 0.10 0.16 655.380 0.4 150 0.2 0.6 0.06 0.10 655.370 0.2 100 0.2 0.6 0.06 0.10 655.370 0.2 60
0.2 0.6 0.10 0.18 0.2 0.6 0.10 0.16 0.2 0.6 0.06 0.10 0.2 0.6 0.06 0.10
GG 15
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.
The cutting data are valid for the fine boring head EWN 04-22. The tool holder is made out of steel. The max boring depth is limited to 50 mm. The insert holder 615.282 and 615.289 can be screwed on the same tool holder.
100
Powered by FlippingBook