HalnnHardturningVsGrinding
Whatishardturning?
Hardturningreferstotheprocessofusinghardenedsteelturningasamethodoffinalorprecisionmachining Hardenedsteeltypicallyreferstoworkpiecematerialsthathavemartensiticstructuresafterquenching,withhigh hardness,strength,andlittleplasticity
Whenthehardnessofhardenedsteelexceeds55HRC,itsstrengthisusuallyaround2100-2600N/mm2.Typically, theworkpiecehasundergoneroughmachiningbeforeheattreatmentandquenching,withonlyprecision machiningbeingperformedinthequenchedstate.
Whatisgrinding?
Grindingisoneofthemostwidely-usedmaterialremovalmethods,whichreferstotheprocessofusingabrasives andgrindingtoolstoremoveexcessmaterialfromtheworkpiece
So,whataretheadvantagesofturningprocesscomparedtogrindingprocess?
1Lowerinitialinvestment;
2Moreflexibleprocessing;
3Higherprocessingefficiency;
4Bettersurfaceroughness;
5.Higheroverallmachiningaccuracy.
HalnnStarProductsBN-S20,BN-S200,BN-H11,BN-H20,BN-H05,BN-H10,BN-H21,BN-H05C20,BN-H10 C20,BN-H21C20.
HalnnCBNinsertscanfullyachievestability,higherprocessingefficiency,lowercost,androughnessrequirement ofRa08orlessAdditionally,Halnn'schipbreaker,wiperdesign,andcoatingsolutionscanfurtherimprove processingqualityandextendtoollifespan
HalnnCBNinsertsarewidelyusedinhardturningapplication
Let’sshowaprojectcaseofHalnnCBNtoolhardturning
Case1:Machiningofautomobilegearboxgearshaft
Result:ComparedtoabroadPCBNcuttingtools,HalnnBN-H200cuttingtoolshaveanincreasedlifespanof45%
Case2HalnnBN-H21ToolforheavyInterruptedFinishingofGearEndFaces
Whenthereareagroupofholesonthegearendface,theprocessingwillcausestrongimpactonthetool,which belongstothestronginterruptedmachiningconditionHalnn'ssuperhardBN-H21isthegradespecificallyfor heavyinterruptedmachiningAnexampleofaprocessingcaseisasfollows:
Result:ComparedtoacertainbrandofPCBNcuttingtool,Halnn’sBN-H21hasincreaseditslifespanbyfive timesandthereisnobrokenorfractureduringheavyinterruptedprocessing