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MEC CUTTING PERFORMANCE
Features of MEC Low cutting force GRADES A
Perfect 90° Shoulders
INSERTS B
CBN & PCD C
Tool diameter 0.787" 1049 TURNING E
Vc=328 sfm Shouldering apae=0.3540"0.3936" F
(Internal evaluation) fz=0.008 ipt Dry (In house evaluation) (Internal evaluation) G
H
Cutting Performance of MEC End Mill (JT chipbreaker Vc=400 SFM Workpiece :1049) BORING J
L
Overhang Length When Using BDMT 11mm-type Insert Part Number Shouldering Slotting
(Standard / Straight Shank) (Cutting width ae = D/2) Ramping and Helical Milling
Cutting Part Number (mm / inch) Overhang MEC10-S10-11 GROOVING
Dia. Length A (in)
(Colors Refer to
charts on right)
8mm MEC10-S10-11 0.670 - CUT-OFF
0.787 1.180
12mm MEC0500... 1.180 1.790 MEC0500...
MEC12-S16-11 1.180 1.790 MEC12-S16-11
MEC0625-S625-11T THREADING SOLID END MILLS
0.625in MEC0625-S625-11T MEC16-S16-11T
16mm MEC16-S16-11T
0.750in MEC0750-S750-11T
20mm MEC20-S20-11T
MEC0750-S750-11T MILLING M
MEC20-S20-11T P
R
Case Studies SPARE PARTS T
RC55 (Prehardened Tool Steel) Structural Steel
• Test Piece (54~56HRC) • Plate TECHNICAL
• Vc=175 sfm (n=800min-1) • Vc=300 sfm (n=1400min-1)
• apae=0.08" 0.55" • ap=0.20"2 Passes INDEX
• fz=0.005 ipt (Vf=11.8 ipm) • fz=0.005 ipt (Vf=19.7 ipm)
• Dry • Dry
• MEC20-S20-11T • MEC20-S20-11T
• 3 Teeth • 3 Teeth
• BDMT11T308ER-JT • BDMT11T308ER-JT
(PR830) (PR830)
MEC Metal Removal Volume=4.35 in3 MEC 23 pcs/edge
(continuable)
EM5 Competitor A Metal Removal Volume=0.18 in3 Competitor B 10~11 pcs/edge
(Chipping)
• Competitor A (25 : 2 Teeth) caused chipping after 10 minutes machining with the • MEC doubled Competitor B's tool life under the same machining conditions.
conditions of Vc=131 sfm, fz=0.003 ipt, apxae=0.08"0.12", and it was noisy.
Also, higher feed rate was not possible because it would cause breakage.
• MEC maintained a good edge condition even after 10 minutes and was still available for
further machining.
(User Evaluation) (User Evaluation)
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