1. Siv Vickers hardness tester ntawm cov khoom welded (Weld Vickers hardness test) txoj kev:
Txij li thaum lub microstructure ntawm qhov sib koom ua ke ntawm qhov weldment (weld seam) thaum lub sijhawm vuam yuav hloov pauv thaum lub sijhawm tsim, nws yuav tsim qhov txuas tsis muaj zog hauv cov qauv welded. Qhov nyuaj ntawm qhov vuam tuaj yeem cuam tshuam ncaj qha seb cov txheej txheem vuam puas tsim nyog. Tom qab ntawd Vickers hardness Ib txoj kev tshuaj xyuas yog ib txoj hauv kev uas pab ntsuas qhov zoo ntawm welds. Lub Vickers hardness tester ntawm Laizhou Laihua Hardness Tester Factory tuaj yeem ua qhov kev sim hardness ntawm cov khoom welded lossis thaj chaw vuam. Thaum siv Vickers hardness tester los sim cov khoom welded, cov xwm txheej xeem hauv qab no yuav tsum tau sau tseg:
Qhov tiaj tus ntawm cov qauv: Ua ntej kuaj, peb zom cov weld kom raug kuaj kom ua rau nws qhov chaw du, tsis muaj oxide txheej, tawg thiab lwm yam tsis zoo.
Ntawm kab nruab nrab ntawm qhov vuam, siv ib qho taw tes rau ntawm qhov chaw nkhaus txhua 100 hli rau kev sim.
Kev xaiv cov zog sim sib txawv yuav ua rau muaj cov txiaj ntsig sib txawv, yog li peb yuav tsum xaiv cov zog sim tsim nyog ua ntej sim.
2. Yuav siv Vickers hardness tester (micro Vickers hardness tester) li cas los ntes qhov tob ntawm cov txheej tawv?
Yuav ua li cas thiaj nrhiav tau qhov tob ntawm cov txheej tawv ntawm cov hlau nrog kev kho saum npoo xws li carburizing, nitriding, decarburization, carbonitriding, thiab lwm yam, thiab cov hlau uas tau raug induction quenched?
Qhov tob ntawm cov txheej tawv uas ua haujlwm tau zoo feem ntau yog siv los ua kom sov rau saum npoo kom ua rau muaj kev hloov pauv ntawm cov qauv thiab kev ua haujlwm ntawm qhov chaw ntawm cov hlau kom ua tiav qhov cuam tshuam ntawm kev nce qhov nyuaj thiab lub zog thiab kev tawv. Nws hais txog kev ntsuas los ntawm kev taw qhia ntsug ntawm qhov chaw ntawm qhov chaw mus rau qhov ciam teb microstructure uas tau teev tseg. Lossis qhov deb ntawm cov txheej tawv ntawm qhov microhardness uas tau teev tseg. Feem ntau peb siv txoj kev gradient hardness ntawm Vickers hardness tester los ntes qhov tob ntawm cov txheej tawv ntawm qhov chaw ua haujlwm. Lub hauv paus ntsiab lus yog los ntes qhov tob ntawm cov txheej tawv raws li kev hloov pauv ntawm micro-Vickers hardness los ntawm qhov chaw mus rau qhov chaw nruab nrab ntawm qhov chaw.
Yog xav paub txog cov txheej txheem ua haujlwm tshwj xeeb, thov saib peb lub tuam txhab Vickers hardness tester operation video. Cov hauv qab no yog kev qhia yooj yim rau kev ua haujlwm:
Npaj cov qauv raws li qhov xav tau, thiab qhov chaw kuaj yuav tsum tau txhuam kom zoo li daim iav.
Xaiv lub zog sim ntawm Vickers hardness tester. Qhov hardness gradient yog ntsuas ntawm ob lossis ntau qhov chaw. Vickers hardness yog ntsuas ntawm ib lossis ntau kab sib luag perpendicular rau qhov chaw.
Kos ib daim duab qhia txog qhov nyuaj raws li cov ntaub ntawv ntsuas, nws tuaj yeem paub tias qhov nrug ntsug ntawm qhov chaw ntawm qhov chaw mus rau 550HV (feem ntau) yog qhov tob ntawm cov txheej tawv.
3. Yuav siv Vickers hardness tester li cas rau kev sim qhov tawg (kev sim qhov tawg Vickers hardness)?
Qhov tawv ntawm qhov tawg yog qhov nqi tiv taus uas cov khoom siv tso tawm thaum cov qauv lossis cov khoom tawg hauv qab qhov tsis ruaj khov xws li tawg lossis tawg zoo li qhov tawg.
Qhov tawg tawv yog qhov muaj peev xwm ntawm cov khoom siv los tiv thaiv kev tawg thiab yog qhov ntsuas ntawm qhov tawv ntawm cov khoom siv.
Thaum ua qhov kev sim qhov tawg, ua ntej txhuam qhov chaw ntawm cov qauv kuaj rau ntawm qhov chaw iav. Ntawm Vickers hardness tester, siv lub pob zeb diamond conical indenter ntawm Vickers hardness tester los ua qhov indentation ntawm qhov chaw polished nrog lub nra hnyav ntawm 10Kg. Cov kab nrib pleb prefabricated yog tsim ntawm plaub qhov chaw ntawm lub cim. Feem ntau peb siv Vickers hardness tester kom tau txais cov ntaub ntawv tawg.
Lub sijhawm tshaj tawm: Plaub Hlis-25-2024
