Qhov sib txawv ntawm pitting thiab spalling yog dab tsi?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Pitting txhais tau tias yog tsim los ntawm ntiav craters tsuas yog vim nto defects thaum spalling zoo nkaus li cov kab noj hniav sib sib zog nqus feem ntau vim kev qaug zog tawg tawm [43]. Spalling tshwm sim raws li cov kab nrib pleb mus txog qhov loj me, uas feem ntau yog ua raws los ntawm kev tso tawm ntau ntawm cov khib nyiab coj los [45].

Tom qab ntawd, dab tsi yog pitting hauv iav?

Pitting ntawm iav . Pitting yog qhov ua kom lub cev tsis muaj zog ntawm cov iav hniav. Nws tshwm sim vim kev rov ua dua ntawm cov hniav ntawm qhov chaw thiab qhov kev sib cuag kev ntxhov siab tshaj qhov qaug zog ntawm cov khoom siv. Tom qab ntawd, ntau dua kev cuam tshuam load tshwm sim los ntawm pitting tej zaum yuav ua rau pob txha twb tsis muaj zog lawm.

Tsis tas li ntawd, dab tsi ua rau spalling hauv bearings? Spalling . Spalling yog qhov tshwm sim ntawm deg lossis sub-surface fatigue, uas ua pob txha los ua rau ntawm qhov chaw khiav. Thaum cov txheej txheem txav mus hla cov kab nrib pleb, daim, lossis flakes, ntawm cov khoom tawg mus. ( Spalling kuj tseem raug hu ua "flaking," "peeling," lossis "pitting.")

Zoo sib xws, dab tsi yog spalling hauv kev coj tus kheej?

Spalling yog qhov pitting los yog flaking tawm ntawm kev coj tus kheej khoom. Spalling feem ntau. tshwm sim ntawm kev sib tw thiab cov ntsiab lus dov.

Dab tsi ua rau pitting ntawm iav hniav?

Pitting tshwm sim thaum qaug zog tawg yog pib ntawm lub hniav nto los yog hauv qab ntawm qhov chaw. Feem ntau qhov yog qhov tshwm sim ntawm qhov av tawg ua los ntawm cov hlau-rau-hlau sib cuag ntawm asperities los yog tsis xws luag vim tsis tshua muaj lubricant film thickness. Pitting tuaj yeem yog ua los ntawm txawv teb chaws particle paug cov roj nplua nyeem.