EWN 04-22
Fine boring head
Ø 14.8-19.8
View 90° twisted x
Ø 14.8 - 18.8
Ø 15.8 - 19.8
Ø 10
615.280
615.281
EWN 04-22, universal
universal Ø 14.8 - 18.8 / 19.8mm
optimized Ø 14.8 - 16.8 / 17.8 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
25 35 40 45
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
25 35 40 45
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
25
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 35
1.2083 1.2294
40 45
1.2312 1.2344 1.2764 Stainless steels,
25 35 40 45
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,
25 35 40 45
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
25 35 40 45
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 45 mm. The insert holder 615.280 and 615.281 can be screwed on the same tool holder.
94
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