E247-2.5SX / 4.0SX
Recommended Milling Conditions
Side Milling
GR.1/GR.2/GR.3 Carbon Steels/Low-alloyed Steel/Hi-alloyed Steel （～ 24HRC ） （～ 30HRC ）
GR.4/GR.5 Hardened Steel/Hardened Steel （ 30 ～ 38HRC ）（ 38 ～ 48HRC ）
GR.8 Stainless Steel
GR.15 Titanium
GR.17 High Temp Alloys
Work Material
GR.16 Nickel
140
100
80
80
50
30
Vc m/min
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
Code No.
Dc
E247-2.5SX-3 E247-2.5SX-4 E247-2.5SX-5 E247-2.5SX-6 E247-2.5SX-8
3 4 5 6 8
14,863 11,148
1,189 1,338 1,427 1,486 1,338 1,249 1,189 1,003
10,617
849 956 764
8,493 679 8,493 679 5,308 212 3,185 64 6,370 764 6,370 764 3,981 319 2,389 110 5,096 815 5,096 815 3,185 382 1,911 115 4,247 849 4,247 849 2,654 425 1,593 255 3,185 764 3,185 892 1,991 358 1,194 239
7,963 6,370 5,308 3,981 3,185 2,654 1,991 1,593
8,918 7,432 5,574 4,459 3,716 2,787 2,230
1,359 1,274 1,223 1,189
E247-2.5SX-10 10 E247-2.5SX-12 12 E247-2.5SX-16 16 E247-2.5SX-20 20
2,548 713 2,548 815 1,593 350 2,123 679 2,123 764 1,327 319
956 796 597 478
229 223 191 153
892 815
1,593 573 1,593 637 1,274 510 1,274 510
995 796
239 223
892
ap:2.0D
ap:2.0D
ap:2.0D ap:2.0D ap:2.0D ap:2.0D
（ mm ）
ae:0.12D
ae:0.1D
ae:0.1D ae:0.05D ae:0.05D ae:0.05D
High Speed Side Milling
GR.1/GR.2/GR.3 Carbon Steels/Low-alloyed Steel/Hi-alloyed Steel （～ 24HRC ） （～ 30HRC ）
GR.4/GR.5 Hardened Steel/Hardened Steel （ 30 ～ 38HRC ）（ 38 ～ 48HRC ）
GR.8 Stainless Steel
GR.15 Titanium
GR.17 High Temp Alloys
Work Material
GR.16 Nickel
200
160
130
130
100
80
Vc m/min
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
Code No.
Dc
E247-2.5SX-6 E247-2.5SX-8
6 8
10,617
2,973 2,548 2,293 2,123 1,752 1,529
8,493 6,370 5,096 4,247 3,185 2,548
1,359 1,274 1,631 1,699 1,274 1,223
6,901 1,380 6,901 828 5,308 637 4,247 510 5,176 1,242 5,176 828 3,981 478 3,185 510 4,141 1,159 4,141 994 3,185 382 2,548 612 3,450 1,104 3,450 897 2,654 319 2,123 552 2,588 932 2,588 725 1,991 239 1,593 446 2,070 828 2,070 662 1,593 191 1,274 408
7,963 6,370 5,308 3,981 3,185
E247-2.5SX-10 10 E247-2.5SX-12 12 E247-2.5SX-16 16 E247-2.5SX-20 20
ap:2.0D
ap:2.0D
ap:2.0D ap:2.0D ap:2.0D ap:2.0D
（ mm ）
ae:0.1D
ae:0.05D
ae:0.1D ae:0.05D ae:0.05D ae:0.05D
※ Notice: E247-4.0SX is Long Length series End Mills. Please adjust the parameter according. 1. Please work with good rigidity / high precision facilities and collet chuck. 2. Please choose proper cutting fluid. 3. The cutting data is reference value only. Please adjust it according to your real working conditions. 4. If RPM is lower than the reference value, the Feed rate (fz) and RPM should be reduced by the same proportion. 5. If vibration occurs during cutting, please reduce cutting parameter.
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