Turning CBN & PCD Tools 2016 by KYOCERA Precision Tools

More catalogs by KYOCERA Precision Tools | Turning CBN & PCD Tools 2016 | 34 pages | 2016-11-07

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Page 3 of Turning CBN & PCD Tools 2016

cbn tools � negative inserts features of new edge prep machining of hard materials back force feed force flank wear in principal force hjnpr index cutting force n g technical meh s00630 spare parts 2 4 6 8 10 mep prevents the flank wear compared to me �prevents crater wear � toughness and controls flaking prevention of flaking hsk tooling 0 � meh interruption high feed machining back force f threading 0.0008 cutting time min high toughness against thrust force excellent thermal conductivity less fracture and flaking e cut-off 0.0016 cutting force mep performs lower cutting force than me �sharp cutting d t � 0.002” × 45° mep 0.0024 0 principal force c grooving back force b boring feed force 100 0 � 0.005” × 25° me 0.0031 150 50 rake face 0.0039 small tools 200 width narrow angle large width standard angle standard 4118h hardened 55~60hrc vc =490 sfm d.o.c 0.008” f 0.016 ipr dry dclnr2525m-12 cnga432 type kbn05m 4118h hardened 55~60hrc vc 490 sfm d.o.c 0.008” f 0.006 ipr dry � 0.002”×45° mep toolholders 250 � 0.005”×25° me a cbn pcd 300 inserts � wear comparison � cutting force comparison grades � mep high speed continuous machining back force me low toughness poor thermal conductivity fractures and flaking due to thrust force s00225 � cutting force and chamfered angle width chamfered width 0.005” cutting conditions vc=328 sfm d.o.c 0.004” f=0.010” ipr cutting conditions chamfered angle 25° vc=328 sfm d.o.c 0.004” f=0.010” ipr 500 500 back force back force principal force cutting force n cutting force n 400 feed force 300 200 100 0 400 principal force feed force 300 200 100 0 10 20 30 40 50 60 0 0 0.004 0.008 0.012 0.016 0.020 chamfered width in chamfered angle ° cutting force is influenced by chamfered angle more than chamfered width though enlarging chamfered angle is more effective for fracture resistance improvement than changing chamfered width the cutting force increases as well please refer to the graph for details � megacoat cbn � pvd layer coating properties � advantages of megacoat improved stability bseoftt 1b  5j 5j  0 5 extended tool life 5j 5j  megacoat high speed machining        0yjebujpoufnqfsbuvsf m 800.823.7284 visit us online at kyoceraprecisiontools.com   • long tool life and stable machining due to superior heat-resistance and hardness • stability improvement through prevention of crater wear oxidation diffusional wear • high thermal stability and surface smoothness provide excellent surface finish c3