B271TX
Recommended Milling Conditions
High feed cutting
GR.5 Hardened Steel （ 38~48HRC ）
GR.6 Hardened Steel （ 48~56HRC ）
GR.7 Hardened Steel （ 56~68HRC ）
GR.9 Cast Iron
Work Material
70
50
30
100
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)
Code No.
Dc
B271TX-3 B271TX-4 B271TX-5 B271TX-6 B271TX-8 B271TX-10 B271TX-12
3 4 5 6 8
7,400 5,500 4,450 3,700 2,800 2,250 1,850
3,800 4,100 4,300 4,300 4,300 4,400 4,400
5,300 4,000 3,200 2,600 2,000 1,600 1,350
2,500 2,700 2,800 2,800 2,800 2,800 2,800
3,200 2,400 1,900 1,600 1,200 1,000
990
10,500
6,000 6,500 6,800 6,800 7,000 7,000 7,000
1,000 1,100 1,100 1,100 1,100 1,100
8,000 6,350 5,300 4,000 3,200 2,650
10 12
800
ap:0.2xR
ap:0.2xR
ap:0.1xR
ap:0.2xR
（ mm ）
ae:0.5D
ae:0.5D
ae:0.5D
ae:0.5D
Ae
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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