New Highly Tough Cermet for Milling NS740
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Keeping the Customer First Tungaloy Report No.342-E New Highly Tough Cermet for Milling NS740 > Highly Impact Resistant Grade for Excellent Surface Finish size="-2">

High toughness ˠ Improved impact resistance ! Stable machining Can increase feed per tooth Full lineup of corner-reinforced (CR-type) inserts Improved tool life ! Increased machining efficiency ! > The secret of high toughness of skeleton-reinforced cermet NS740 > Schematic drawings of cermetstructure Improved bonding between grains ˠ Improved toughness 3mm ʷ 2 Ceramics grainsCo, Ni phase Microstructure of NS740 Ceramics grains Bonded grains Co, Ni phase Conventional cermetNS740 size="-4">

˔ Work material:JIS SCM440 ʢ 105 ʷ 200mm,275HB ʣ ˔ Tool:TMD4406RI ʢ 8 teeth ʣ ˔ Insert:SDEN42ZTN ˔ Cutting speed: Vc =150 m/min ɹ ˔ Depth of cut: ap =2.0 mm ˔ Feed per tooth: fz =0.27 mm/t ˔ Cutting fluid:Dry > 3.53.02.52.01.51.00.50.0 П 160 105mm Machined length before breakage L (m) NS740 ConventionalTungaloy grade Competitor ACompetitor B ˔ Work material:JIS S50C ˔ Tool:TMD4408RI ʢ 10 teeth ʣ ˔ Insert:SDKN42ZTN ˔ Cutting speed: Vc =250 m/min ˔ Depth of cut: ap =2.0 mm ˔ Feed per tooth: fz =0.1 mm/ ˔ Cutting fluid:Dry >

Cutting conditions ˔ Insert:SDKN42ZTN ɹ ˔ Work material: JIS SCM440 ʢ 260HB ʣ ˔ Cutting speed: Vc =200 m/min ˔ Depth of cut: ap =2.0 mm ɹ ˔ Feed per tooth: fz =0.15 mm/t ˔ Tool:TMD4406RI ʢ Used with single tooth ʣ ˔ Dry cutting > ˔ Work material:Mild steel (JIS SS400) > 1000mm500mm10mm ˔ Tool:TME4410RI (12 teeth) ˔ Insert:SEEN1203AGTNCR-14 ʢ NS740 ʣ ˔ Cutting conditions: Cutting speed Vc= 200 m/min Depth of cut ap= 1.5 mm Feed per tooth fz= 0.15 mm/t ˔ Cutting fluid:Dry > ҋ Work material:Carbon steel (JIS S45C) ԋ Tool:EPS11025RS (3 teeth) ԋ Insert:ASMT11T304PDPR-MJ (NS740) ԋ Cutting...