B277TX
Recommended Milling Conditions
Side Milling
GR.1/GR.2 /GR.3 Carbon Steel/Low-alloyed Steel/Hi-alloyed Steel （ ~24HRC ） （ ~30HRC ）
GR.4 /GR.5 Hardened Steel/Hardened Steel (30~38HRC ） （ 38~48HRC ）
GR.6 Hardened Steel （ 48~56HRC ）
GR.7 Hardened Steel （ 56~68HRC ）
GR.8 Stainless Steel
GR.9 Cast Iron
Work Material
150
130
100
50
60
150
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 ）
B277TX-6 6 B277TX-8 8 B277TX-10 10 B277TX-12 12 B277TX-16 16 B277TX-20 20
7963 5972 4778 3981 2986 2389
1593 1433 1338 1274 1075
7,200 5,400 4,320 3,600 2,700 2,160
1,080
5,300 4,000 3,200 2,700 2,000 1,600
820 750 745 740 730 700
2,200 1,650 1,300 1,100
175 185 165 145 170 170
3185 637 8,000 2389 573 6,000 1911 535 4,800 1593 510 4,000 1194 430 3,000 956 382 2,400
1,200 1,100 1,100 1,065 1,000
990 990 959 900 860
840 670
956
955
ap:1.0D
ap:1.0D
ap:1.0D
ap:1.0D
ap:1.0D
ap:1.0D
（ mm ）
ae:0.05D
ae:0.05D
ae:0.03D
ae:0.02D
ae:0.03D
ae:0.05D
High SpeedSide Milling
GR.1/GR.2 /GR.3 Carbon Steel/Low-alloyed Steel/Hi-alloyed Steel （ ~24HRC ） （ ~30HRC ）
GR.4 /GR.5 Hardened Steel/Hardened Steel (30~38HRC ） （ 38~48HRC ）
GR.6 Hardened Steel （ 48~56HRC ）
GR.7 Hardened Steel （ 56~68HRC ）
GR.8 Stainless Steel
GR.9 Cast Iron
Work Material
200
180
150
100
100
200
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 ）
B277TX-6 6 B277TX-8 8 B277TX-10 10 B277TX-12 12 B277TX-16 16 B277TX-20 20
10617
2123 1911 1784 1699 1433 1274
9554 7166 5733 4777 3583 2867
1080 1080
7963 700 5972 700 4778 630 3981 630 2986 650 2389 650
5308 530 3981 530 3185 420 2654 420 1991 420 1593 420
5308 1062 10617 1200 3981 956 7963 1200 3185 892 6370 850 2654 849 5308 850 1991 717 3981 900 1593 637 3185 900
7963 6370 5308 3981 3185
765 765 810 810
ap:1.0D
ap:1.0D
ap:1.0D
ap:1.0D
ap:1.0D
ap:1.0D
（ mm ）
ae:0.01D
ae:0.01D
ae:0.01D
ae:0.01D
ae:0.03D
ae:0.01D
※ Notice: B277TX 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 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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