B270TX
Recommended Milling Conditions
Cavity machining
GR.2 Low-alloyed Steel （ ~24HRC ）
GR.3 Hi-alloyed Steel （ ~30HRC ）
GR.4 Hardened Steel （ 30~38HRC ）
GR.5 Hardened Steel （ 38~48HRC ）
GR.6 Hardened Steel （ 48~56HRC ）
GR.7 Hardened Steel （ 56~68HRC ）
GR.1 Carbon Steel
Work Material
200
200
200
150
150
120
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)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
RPM (min-1)
Feed (mm/min)
Code No.
Dc
B270TX-10 B270TX-12 B270TX-14 B270TX-18 B270TX-22
10 6,400 1,300 6,400 1,300 6,400 1,100 4,800 12 5,300 1,300 5,300 1,300 5,300 1,100 4,000 14 4,550 1,300 4,550 1,300 4,550 1,100 3,400 18 3,500 1,300 3,500 1,300 3,500 1,100 2,650 22 2,900 1,300 2,900 1,300 2,900 1,050 2,180
800 800 800 800 750
4,800 4,000 3,400 2,650 2,180
700 700 700 700 700
3,800 3,200 2,750 2,150 1,750
320 320 320 320 320
3,180 2,650 2,270 1,750 1,450
250 250 250 250 250
ap:0.1D
ap:0.1D
ap:0.1D
ap:0.1D
ap:0.1D
ap:0.05D
ap:0.02D
（ mm ）
ae:0.3D
ae:0.3D
ae:0.3D
ae:0.3D
ae:0.3D
ae:0.2D
ae:0.2D
※ The above parameters is recommended in the range of 4XD extended length. 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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