Cutting edge angle 88°/90° MEW Double-sided 4-edge insert MEW Kyocera's unique mold technology reduces cutting forc A e .R. e M q a u x i .+ v 1 a 0 l ° ent to positive inserts (LOMU 15 type) Cutting edge angle 90˚ 90° Obtuse edge increases cutting edge toughness Cutting edge Cutting edge angle 90˚ 90° A.R. Max .+10° (LOMU 15 type) Obtuse edge increases cutting edge toughness Cutting edge angle 90˚ 90° Cutting edge Obtuse ed cutting ed ue mold technology Obtuse edge Unique mold technology ositive inserts nd the feed force. Fracture resistance comparison (Internal evaluation) High stability at high feed rates Unique mold technology Low cutting force equivalent to posi O t b i t v us e e e i d n ge serts Cutting force comparison (Internal evaluation) Fracture resistance co ositive inserts Low GM c cMh u iEpbW t re t a i k n er g force equivalent to Available for further machining positive inserts 2,000 1,800 * Cutting force is the resultant force of the principal force and the feed force. Equivalent to positive inserts MEW GM chipbreaker Milling Cutting force (N) Cutting force (N) M 98% Competitor C (Positive) Cutting force comparison Competitor D (Internal evaluation) Fracture fz (mm/t) (Negative) * Cutting force is the resultant force of the principal force and the feed force. 2,0 Co 0 m 0 petitor E (Negative) Fracture 0.30 0.35 1,800 0 10 20 30 40 50 Equivalent to positive inserts 1,600 Cutting time (min) 1,400 Vc=120m/min apxae=3x10mm fz=0.3~0.35mm/t 42CrMo4 (37~39HS) Cutting dia. ø20 1,200 ing chattering 1,000 attering and burrs 800 al rake design 127 M % EW GM chipbreaker Co 1 m 09 p % etitor F (Negative) Com 1 p 0 e 0 t % itor G (Positive) Compet + ito 2 r 0 A ° Comp + e 1 tit 7 o ° r B M +1 E 7 W ° (N L e ar g g a e t a iv ct e u ) al rake a ( n N g e le g l a o t w iv e e rs ) cutting GM for c c h e ipbreaker 98% Competitor C (Positive) Fracture r 1 e ,6 s 00 istance comparison (Internal evaluation) 1,400 High stability at high feed rates ME 1 W ,200 127% 1,000 GM chipb 8 r 0 e 0 aker Competitor A 109% Competitor B 100% MEW 98% Available for further machining Competitor C (Negative) (Negative) GM chipbreaker (Positive) Competitor D Fracture (Neg V a c t = i 1 v 50 e m ) /min apxae=3x15mm fz=0.15mm/t C50 Cutting dia. ø20 fz (mm/t) Co I m m p p et r i o to v r e E d surface ﬁnish F , ra m ct i u n r i e mizing 0.30 chattering (Negative) 0.35 Sharp cutting 0 and s 1 u 0 perio 2 r 0 resis 3 t 0 ance 4 to 0 cha 5 tt 0 ering and burrs with helical cutting edge and optimum axial rake design Cutting time (min) Competitor D (Negative) Competitor E (Negative) 0 Vc=120m/min apxae=3x10m 42CrMo4 (37~39HS) Cuttin ME GM chip +2 Large act Cutting edge angle 45°~70° < B Cu u t r ti r n c g o co m nd p it a io ri n s s o > n with positive cutters (Internal evaluation) Vc=150m/min apxae=3x15mm fz=0.15mm/t C50 Cutting dia. ø20 Vc= S 1 u 20 r m fa / c m e in o a f p s x h ae o = u 3 l x d 1 e 0m r w m a fz ll =0.3~ ( 0 In . t 3 e 5 rn m al m ev /t aluation) 42CrMo4 (37~39HS) Cutting dia. ø20 Burr comparison with r H Cutting edge angle tter) 75° MEW Competitor I (Positive cutter) MEW Competitor H (Positive cutter) MEW Cuttingedgeangle Improved surface ﬁnish, minimizing chattering 88°/90° Burrs MEW GM chipbreaker Competitor F (Negative) Competitor G (Positive) Cutter for Finishing Sharp cutting and superior resistance to chattering and burrs High Feed with helical cutting edge and optimum axial rake design +20° +17° +17° Cutter Large actual rake angle lowers cutting force Multi- Function Surface Sh o ar f p s c h ut o tin u g l e d n e ab r le w s l a es l s l burrs ( t I h n a te n r p n o al si e t v iv a e lu c a u t t i t o e n r ) s Burr compariso Sm n oo w th it su h rfa p ce o o s f i M ti E v W e w c ith u o t u t t e ch r a s ttering (Internal evaluation) Sharp cutting en Slot Mill a. ø20 Ball-nose Radius Vc=250m/min apxae=4x5mm fz=0.1mm/t Dry C50 Cutting dia. ø20 MEW Competitor H (Positive cutter) MEW Competitor I Vc=240m/min apxae= 4 (3passes) x5mm fz=0.12mm/t Dry SS400 Cutting dia. ø20 (Positive cutter) Vc=250m/min apxae=4x5mm fz=0.1 Others Burrs Smooth surface of MEW without chattering Vc=240m/min apxae= 4 (3passes) x5mm fz=0.12mm/t Dry SS400 Cutting dia. ø20 M74 Sharp cutting enables less burrs than positive cutters Vc=250m/min apxae=4x5mm fz=0.1mm/t Dry C50 Cutting dia. ø20