Vitrified / Resinoid CBN & Diamond Wheels - CHEIL …

1 Vitrified / Resinoid CBN & Diamond WheelsCBN & Diamond : CharacteristicsChemical and Physical PropertiesClassificationDensity g/cmHardneesKnoopCompressionStrength(Gpa )ThermalExpansionCoefficientmm/ ,0004,5002,7002, Properties of CBN & DiamondDiamondCBNC arbon cubic crystal, very hard and found in natureCubic crystal of BN Hardness next to diamondCBN /DIA Temperature ResistanceCBN & Diamond : Characteristics1 CBN & Diamond : CocentrationCBNDIAMONDV itrified BondResin Bond (Metal Coating) Vitrified BondResin Bond (Metal Coating)ConcentrationCBN & Diamond : Cocentration2 CBN & Diamond Wheels Specification MethodSD 200 N 100 B N typeGritSizeGradeConcentrationBondTypeAu xiliarySymbolAbrasiveDepth(mm)D : Nature. diamondSD : Synth. diamondSDC : Metal coated synth. Diamond CBN : Cubic BNCBNC : Metal coated CBN16mesh3,000meshHJ (Soft)LN (Middle)PR (Hard)T25 Low50 75100125 150 HighB : Resin M : MetalV : VitrifiedP : ElectroPlatedBondcharacteristicsor Maker s symbol or number of the CBN/DIA Bond typeBond TypesCharacteristicsVitrified BondResinoid BondUsed inorganic bonds.

2 Strong and less grinding resistance. Excellent for grinding and easy dressing are possible to high precision synthetic resin bonds. Elastic and tensile excellence. Smooth surface possible and easy to make G/ wheel with a long lifetimeCBN & Diamond Wheels Specification Method3 CBN & Diamond Wheels : ApplicationCBN WheelDiamond WheelHardened SteelBearing SteelTool SteelSuper AlloysChromium SteelHSSC astingsDie SteelsCast IronsTungsten CarbideTitanium AlloysGlassCeramicsCermets(Ceramic + metal)Ferrite(magnet)Other applicationsAbrasiveTypeApplied MaterialsCBNDiaAlloyTool CarbideandSteelStainlessSteelCrystal,Gem StoneHeatresistantSteelFerrite(Magnets)A lloyTool SteelEmbrittlementCaseHardenedSteelConcr eteAinicoAnti-abrasion metalCarbonTool SteelPlasticsInconelTiles,RoofingTilesCB N & Diamond Wheels : Application4 CBN & Diamond Wheels CBN Centerless Gringding WheelWheel SizeD T X 405 451 455*3 ~ 5 CBN Centerless G/ wheel s Characteristics Vitrified body used to achieve high precision grinding Reduces the cycle time and stabilize the product quality CBN & DIA DISC G/ wheel s Specs and Condition for UseWork PieceConditionHardnessSpecCompressorShaf tWC drill GCD550 TungstenCarbideHB170~230 HRc70 CBN 140 L 200 VSDC 80 L 100 B Depending on the condition for using the G/ wheel .

3 The optical specs can be & Diamond Wheels5 CBN & Diamond WheelsCBN & DIA DISC grinding wheelCBN & DIA G/ wheel s CharacteristicsWheel SizeD T X 305 355 455 5853 ~ 6* Excellent reliability and result Excellent surface condition achieved by using highly sophisticated Resinoid bond CBN & DIA DISC G/ wheel s Specs and Condition for UseWork PieceConditionHardnessSpecCompressor RollerCompressor CylinderGear Oil PumpInner Bearing WheelRace StarterSnap RingFC25FC20 SCM415 SUJ2 Cast alloySK5HB170~200 HRc60 HRc60-61 HRc60~65 HRc60 CBNC 325 N 75 BCBNC 140 N 75 BCBNC 325 V 75 BCBNC 140 N 75 BCBN & Diamond Wheels6 Depending on the condition for using the G/ wheel , the optical specs can be & Diamond WheelsCBN Angular grinding wheelCBN & DIA G/ wheel 's CharacteristicsCBN Angular G/ wheel 's Specs and Conditions for Use Experienced with various shape of angular G/ wheel makes to achieve high quality and stability Long lifetime and high precision grindingWork PieceConditionHardnessSpecWheel SizeD T X 300 360 450 5503 ~ 5*CBN & Diamond Wheels7 Crankshaft journalCrankshaft RearCrankshaft FrontSpeed GearSCM440HS40MS1 VSCM318H1 HRC52~58HB285~341 HRC60 CBN 120 M 200 VCBN 100 M 180 VCBN 100 M 150 VCBN 170 K 175 V Depending on the condition for using the G/ wheel .

4 The optical specs can be & Diamond WheelsCBN Crank Shaft grinding wheelCBN Crank Shaft G/ wheel 's CharacteristicsCBN Crank Shaft G/ wheel 's Specs and Conditions for Use High precision and excellent grinding Competitive G/ wheel with stable quality and low pricesWheel SizeD T X 550 560 650 652 7503 ~ 5*CBN & Diamond Wheels8 Work PieceConditionHardnessSpecCrankshaftJour nalCrankshaftPinFCD70 CSCM440 HFCD70 CSCM440 HFCD70 CHv269~328Hv229~255Hv269~328 CBN 140 M 180 VCBN 140 M 180 VCBN 120 M 200 VCBN 120 M 180 VCBN 100 M 180 VCBN 120 M 180 VCBN 120 M 180 VCBN 140 M 180 V Depending on the condition for using the G/ wheel , the optical specs can be SizeD T X 254 305 350 354 400 4503 ~ 5*Work PieceConditionHardnessSpec9 Depending on the condition for using the G/ wheel , the optical specs can be & Diamond WheelsCBN CAM Shaft grinding wheelCBN CAM Shaft G/ wheel 's CharacteristicsCBN CAM Shaft G/ wheel 's Specs and Conditions for Use High precision processing for excellent quality of the G/ wheel Available to manufacture high speed G/ wheel (160m/Sec).

5 High precision and excellent grinding CBN & Diamond WheelsCAM shaftFuel injection CAMMX CAM shaftFC25 FCDSCM415FC20HB201-262 HRc54~63 HRc54~63HB350~500 CBN 80 M 200 VCBN 100 H 100 VCBN 120 I 150 VCBN 80 M 200 VCBN 80 K 175 VWheel SizeD T X3 ~ 5*10 Work PieceConditionHardnessSpec Depending on the condition for using the G/ wheel , the optical specs can be & Diamond WheelsCBN & DIA : Internal grinding wheel and other productsInternal G/ wheel 's CharacteristicsInternal G/ wheel 's Specs and Conditions for Use High precision and excellent grinding 60 or lessCompressorCylinderCompressorFlangeAn nulus GearInner bearing wheelFC20GC250GC250 SCr420L1H1 SUJ2 (Carburizing thermal processing)HB170~200 HRB65~85 HRB65~85 HRC 59 HRC 60~62 CBN 230 P 150 VCBN 200 N 200 VCBN 230 P 150 VCBN 120 F 150 VCBN 230 R 200 VCBN & Diamond WheelsCBN & Diamond Wheels Shape Specification Methods11 CBN & Diamond Wheels Shape Specification MethodsSelection of CoolantsTruing / Dressing ToolsCBN & Diamond Wheels Shape Specification Methods12 grinding wheelCoolantsRemarks ClassificationTool nameGrinding wheelSpecsDiamondgrinding wheelCBN grinding wheelVitrifiedbondgrindingwheelResinoidb ondgrinding wheelTruinganddressingTruingDressingSing le dresser (point dresser)

6 Multi dresserRotary dresserBlock dresserControl(driving)truing deviceBond dresserRotary dresserBlock dresserControl(driving)truing deviceGC stickWA stickSoft steel materiaGlass particleCBNCBNCBN(Dia)CBNCBN(Dia)CBN(Dia )CBN(Dia)CBN(Dia)CBN(Dia)CBN(Dia)CBNCBN( Dia)CBN(Dia)Water soluble coolant(chemical solution type KS3)Faucet water can availableNon water soluble liquidFor heavy grinding coolant soluble liquid(Emulsion type KS 1)Water soluble coolant(soluble type KS W2)In case of rapping and difficult to coolant injectionare not appliedOptimal for the CBN grinding wheelEspecially good for fine particle grinding wheelPlease use it to get a better result than water soluble used. Dilution level of 20 to 50 which is less than the general grinding wheel to extend the lifetime of for a small amount of inner area grindingCan perform truing on the grinding stone with concentration of less than : or lessConveyance: : 75 or lessFeed: to Conveyance: to for a large G/ wheel with high precisionConcentration: more than 100 Select #80 to #140 according to the particle : to : #80 to #140 according to the particle : to : 70 to 300mm/revTruing with the general magnets GC60HV and GC80HV(must be a wet type)Truing with the general magnets GC60HV and GC80HV(must be a wet type)Select #60 to #140 according to the particle : or lessConveyance.

7 100 to 200mm/revSame as the Vitrified bond grinding wheelTruing with the general magnets GC60HV and GC80HV(must be a wet type)Better truing effects can be obtained maximize the cutting depth while considering the shapes. Post dressing is requiredSelect two level lower than the grinding : F to HS45C and SS41 material usedCan obtain a larger chip pocket than a stick. But it takes too much time. Truing and dressing at the same timeMostly for a cup type grinding stoneSelect two or three levels lower than the grinding , Jangheung-Dong, Nam-Gu, Pohang-Si, Gyungbuk, KoreaTel: 82-54-285-8401 Fax: 82-54-285-5780e-mail: /