NegativePositivePCD / CBN Flank wear width: VB (mm) Flank wear width: VB (mm) Te c h n i c a l Guide PCD grade, T-DIA series Expanded product line allows T-DIA tools to be applied to wider workpiece materials and cutting conditions. Features and applications (Physical and mechanical properties) DX110 DX120 DX140 DX160 Grade Property Super fine grained grade.Excels in surface finish.Fine grained grade.Excels in surface finish.General purpose grade High purity grade forhard materials Approx. grain sizeof diamond <1 5 13 28 (μm) Hardness (Hv) 8500 10000(Harder) Wearresistance Higher Grindability (CuttingedgeBetter sharpness) Cutting performance (Wear resistance) When machining aluminium alloy: Continuous external turning When machining FRP: Face milling 0.05 ᭹ Workpiece material: 0.2 ᭹ Workpiece material:10 % Si, aluminium alloyCompetitor AFiber reinforced plastics (FRP) 0.04 ᭹ Insert: SPGN120308-DIA Competitor BCompetitor C᭹ Insert: SFCN42ZFN-DIA 0.03 ᭹ Toolholder: CSBPR2525M4 0.1 DX160 ᭹ Milling cutter: THF4408RIA 0.02 ᭹ Cutting speed: vc = 500 m/min᭹ Feed: f = 0.1 mm/rev0.01᭹ Depth of cut: ap = 0.5 mm0᭹ Coolant: Dry cuttingDX110 DX120 DX140 DX160᭹ Cutting time: 30 min03612Cutting time (min)᭹ Cutting speed: vc = 942 m/min᭹ Feed: f = 0.1 mm/rev᭹ Depth of cut: ap = 1.5 mm᭹ Coolant: Dry cutting Grade selection guide Complex shape tools First choiceExcellent finish Good electrical dischargemachinability DX120 Ideal for machininghard materialsSuited for machining bi-metal DX110 High speedmachining (ex.aluminum+castiron) components High wearresistance Suitable for finishingaluminum alloys andcopper alloy High diamond content comparedto DX110. Suitable for high-speedmachining DX140 DX160 S TA N D A R D CUTTING CONDITIONS ISO Workpiece material Grade Cutting speed Depth of cut FeedDX110DX120DX140DX160vc(m/min)ap(mm)(f mm/rev) Aluminium alloys (Si < 12 %) ᭺ ᭺ 1500(1000 - 2500) 0.5(0.05 - 2.0) 0.1(0.05 - 0.2) Aluminium alloys (Si * 12 %) ᭺ ᭺ ᭺ 600(400 - 800) 0.5(0.05 - 2.0) 0.1(0.05 - 0.2) Copper, brass ᭺ 800(500 - 1500) 0.5(0.05 - 2.0) 0.1(0.05 - 0.2) Phosphor bronze ᭺ ᭺ 400(300 - 500) 0.5(0.05 - 2.0) 0.1(0.05 - 0.2) Carbon, graphite ᭺ ᭺ 400(300 - 500) 0.5(0.05 - 2.0) 0.1(0.05 - 0.2) FRP ᭺ ᭺ 700(500 - 1000) 0.2(0.05 - 0.5) 0.05(0.03 - 0.1) Plastics ᭺ ᭺ 700(500 - 1000) 0.2(0.05 - 0.5) 0.03(0.01 - 0.05) Cemented carbides ᭺ 15(10 - 20) 0.1(0.05 - 0.2) 0.03(0.01 - 0.05) Green ceramics ᭺ 130(100 - 150) 0.5(0.05 - 2.0) 0.05(0.03 - 0.1) (Note) : First choice ᭺ : Second choice B200 www.tungaloy.com