High-Efficiency Facemill MFPN - Kyocera
High-Efficiency Facemill MFPN - Kyocera
High-Efficiency Facemill MFPN - Kyocera
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1<br />
1<br />
2<br />
3<br />
Wiper edge<br />
BIG<br />
5<br />
5Mill Mill<br />
Economical<br />
New design<br />
Toughness<br />
Pioneering a new era<br />
Roughing and general-purpose facemill with<br />
10-cornered pentagonal inserts<br />
ap (mm) Depth of cut<br />
12<br />
10<br />
8<br />
6<br />
5<br />
4<br />
3<br />
2<br />
0.5<br />
Two-face restraint<br />
Major<br />
cutting edge<br />
BI<br />
Low cutting force due to helical cutting-edge<br />
5<br />
design<br />
MSRS<br />
Conventional<br />
0.06 0.1 0.2 0.3 0.4 0.5 0.6<br />
fz (mm/t) Feed per tooth<br />
+10°<br />
(A.R.)<br />
Main cutting edge<br />
No. 1<br />
<strong>MFPN</strong><br />
<strong>High</strong> feed machining substantially improves efficiency<br />
NEW<br />
<strong>MFPN</strong><br />
■Pentagonal double-sided tip excellent for<br />
constraining stability<br />
■10-cornered insert cuts cost per corner<br />
■Helical cutting-edge design with low<br />
cutting force reduces chattering<br />
■Helical cutting-edge design<br />
·<strong>High</strong> rake angle (A.R. Max. +10°)<br />
0.7<br />
Cutting edge<br />
angle 45°<br />
BI<br />
Principal force<br />
Feed force<br />
Back force 5M<br />
Fractures suppressed with double-edge position<br />
■Double-edge position<br />
·Major cutting edge makes chips thin,<br />
thereby reducing impact load at entrance<br />
and exit of workpiece<br />
Double-edge position<br />
Five Advantages of BIG Pentagon<br />
Main cutting edge<br />
No. 2<br />
Cutting force comparison (N)<br />
2000<br />
1600<br />
1200<br />
800<br />
400<br />
●Cutting force comparison<br />
0<br />
<strong>High</strong>ly stabilized accuracy due to two-face<br />
constraint facing the major cutting edge<br />
16% reduction in comparison<br />
with competitor A<br />
14% reduction in<br />
comparison with GM<br />
GM SM<br />
Competitor A Competitor B<br />
●Cutting conditions<br />
Workpiece :S50C<br />
Vc=150m/min, fz=0.1mm/t, apxae=5x105 mm, Machine :M/C(BT50)<br />
●Fracture resistance comparison<br />
PNMU1205ANER-GM<br />
(PR1225)<br />
Competitor C<br />
(PVD negative insert)<br />
Competitor D<br />
(PVD negative insert)<br />
No. of impacts<br />
0 5 10 15 20<br />
×<br />
×<br />
×<br />
×<br />
×<br />
×<br />
fz=0.5mm/t fz=0.6mm/t fz=0.7mm/t<br />
●Cutting conditions<br />
Workpiece :SCM440(38~42HS)<br />
Machine :BT50 M/C<br />
Vc=100m/min, fz=0.5~0.7mm/t,<br />
apxae=2x100mm (workpiece with 20mm width slot)<br />
0.5mm/t<br />
0.6mm/t<br />
0.7mm/t<br />
:No cracks<br />
× : Insert cracks
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