Brochure - Grindwell Norton

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$BEAR-TEX HAND PADS Hand Pads - Grindwell Norton$

PRECISION GRINDING APPLICATIONSINTERNALDIAMETERGRINDINGMARKETS• Bearing (cylindrical)• Internal track, bore• Gears• Bore• Hydraulic components• Fluid diffusion• Pipe connectionsorAPPLICATIONCHARACTERISTICS• Large contact area• Low grinding force per grainand bond post• Difficult access for coolant• Risk of part deformationwhen cut quality is not highenoughKeyContact surface betweenwheel and partWheelWork pieceRotation optionsBENEFITS of VITRIUm 3in ID grinding• Decreased risk of partdeformation (ovality) on thinrings• Excellent coolant diffusionthroughout the wheel forcooler cutting and reducedburn on the work piece• Free cutting capabilities, andimproved cut rate• Faster cycle with limitedgrinding force on part• Longer wheel lifeCASE STUDYid grindingWheel with Vitrium 3 bond:Size:9.3 x 11 x M4Shape:Threaded Spindlemounted PointGrain:<strong>Norton</strong> QuantumSpecification: NQ 120-11 N 8 VT3Competitor Wheel:Specification: 32A 120 M 8 V BE TR22Component:Material:Bearing Steel60 to 64 HRcDiameter:15 mmRough Cycle 1 - Infeed: 0.13 mm/sRough Cycle 2 - Infeed: 0.07 mm/sRough Cycle 3 - Infeed: 0.03 mm/sCurrent DressingFrequency: 3New DressingFrequency: 8RESULTSDressing Skipimproved by:2.3 times2 timesWheel Lifeimproved by:Cycle time15%reduced by:OUTERDIAMETERGRINDINGMARKETSor• Bearing (cylindrical)• Centerless, external track• Automotive components• Cam/crank/gear box shafts• General engineering• Bars/tubes (centerless)APPLICATIONCHARACTERISTICS• Small contact area• High force per grainand bond post• In general, no problem withcoolant accessKeyContact surface betweenwheel and partWheelWork pieceRotation optionsBENEFITS of VITRIUm 3in OD grinding• Improved profile holding• High wheel speed capabilityfor increased throughput• Increased free cuttingwithout wheel speedreduction• Shorter cycle time withlimited risk of burn,improving part quality• Lower stress on work piece,especially on longcomponents (bars, tubes)CASE STUDYCRANKSHAFT JOURNALGRINDINGWheel with Vitrium 3 bond:Size:750 x 37.1 x 304.8 SBShape: Shape 01/AGrain:Aluminium OxideSpecification: 32A 54 M 8 VT3Competitor Wheel:Specification: XX 46 T 7 V XXComponent:Material:Forged Steel 60 HrcDiameter:76 mmShoulder Feed - 1: 18 mm/minShoulder Feed - 2: 22 mm/minGrinding Feed - R1: 6.5 mm/minGrinding Feed - R2: 3 mm/minGrinding Feed - F1: 1.5 mm/minGrinding Feed - F2: 0.6 mm/minGrinding Feed - Micron: 0.05 mm/minGrinding Feed - Spark Out: 0.0001 mm/minRESULTSCycle Time reduced by:Wheel Lifeincreased by:Cost per componentreduced by:20%66%44%At the same wheel grade and bondvolume, the Vitrium 3 bond allowsfaster process time, with limitedrisk of burn on the work piece.
SURFACEGRINDINGororKeyContact surface betweenwheel and partWheelWork pieceRotation optionsMARKETS• Aerospace (creep-feedor regular surface grinding)• Blades, NGV• Gear• All modules, including bevel• Bearing (linear)• Track, base, top• General engineering• Flat surfaces with profiles• Toolroom• MROorAPPLICATIONCHARACTERISTICS• Average size contact area• Medium grinding force pergrain and bond post• Wide variety of applications:horizontal spindle (wheels)and vertical spindle (cylinders,segments, cups, disc)FIXED orBENEFITS of VITRIUm 3SURFACE grinding• Improved form holding• Reduced dressing• Longer wheel life• Higher working speed,for improved productivity• Faster and deeper cuttingcapabilities• Cool grinding (significantlyreduced burn risk)CASE STUDYid grindingWheel with Vitrium 3 bond:Size: 21 x 24 x 9.57Shape: Shape 01/AGrain:<strong>Norton</strong> QuantumSpecification:NQ 100-11 L 8 VT3Competitor Wheel:Specification: Cxz K 8 V 104Component:Material:Bearing Steel60 to 64 HRcDiameter:30 mmRough Cycle 1 - Infeed: 0.1 mm/sRough Cycle 2 - Infeed: 0.075 mm/sRough Cycle 3 - Infeed: 0.025 mm/sOvality and Taper Control:
Page 1 and 2: REVOLUTIONARY BOND TECHNOLOGYRESHAP
Page 3 and 4: FEATURES & BENEFITSCOOL CUTTING: IM
Page 5: Power consumption (index)3.5315%LES

Brochure - Grindwell Norton

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