Kutakura zvikamu mukugadzira nzira, kuenda kuburikidza nekugadzira, kukunguruka, kurovera, kutendeuka, kukuya, kupisa kupisa uye mamwe maitiro, anogona kuoneka marudzi ese ehurema.Izvi zvinotevera zvinokanganisa zvishanu zvinowanzoitika mukutakura maitiro ekugadzira.
1, kuforoma kukanganisa - kupeta kupeta
Nekuda kwekusaenzana kucheka zvinhu, burr, kubhururuka kumucheto uye zvimwe zvikonzero, zviri nyore kuumba kupeta pamusoro, iyo inoratidzirwa nekupeta kwakakora, chimiro chisina kujairika, nyore kuoneka pamusoro pezvikamu.
Zviri nani kushandisa fluorescent magineti poda yekuona kukanganisa kuita kuti chirema chiratidzike zvakajeka uye intuitive.Yakagadzirwa uye yakapetwa magineti mamaki uye nepamusoro mune imwe Angle yemutsara, groove uye hove sikeri sheet.
Chikamu chakaremara chakagadzirwa kuita metallographic samples uye chakacherechedzwa pasi pemaikorosikopu.Muswe wakaremara waive wakatenderedzwa uye wakagomara, mativi ese aive akatsetseka, uye paive pachena oxidation phenomenon.Hapana zvinhu zvinosanganisirwa uye zvimwe zvitunha zvekunze zvakawanikwa mukuremara.Mushure mekunge iyo inotonhora asidhi yakaora iyo metallographic specimen, chikamu chakaremara uye mativi aro maviri aive akakomba decarburization uye oxidation.Iyo yepamusoro morphology yekuremara layer yakaonekwa, uye iyo yepurasitiki deformation trace yaive pachena, isina kubvarura fracture morphology.Kuburikidza nekuyedzwa kwe microhardness uye kucherechedzwa kwemetallographic, carburizing kuomesa chiitiko chaivepo mumadhigirii akasiyana pamusoro pechirema.Mukupedzisa, kuremara kwaifanira kunge kwakambovapo kusati kwaitwa kupisa uye kudzima, uye kutaurirana nenyika yekunze, uye yakatongwa kuve yakapeta.
2, kuumba hurema - kuforoma kutsva
Kupisa kuchaitika kana tembiricha yekubikira yakakwira zvakanyanya uye nguva yekubata yanyanya kureba.Muzviitiko zvakakomba, zviyo muganhu oxidation kana kunyange kunyunguduka kuchaitika.Kucherechedzwa kweMicroscopic kunoratidza kuti muganho wesimbi wezviyo wepamusoro pedhiri wakaiswa oxidized uye wakatsemuka neAngle yakapinza.Uyezve, miganhu yezviyo yakatangawo kunyunguduka munzvimbo umo kuumbwa kwemukati kwesimbi kwaive kwakaparadzaniswa, uye mumatambudziko akaoma, mapako akajeka akaumbwa.Iyo yakapiswa zvakanyanya inogadzirwa mune iyi yakaremara mamiriro, pasi peinorema nyundo kuforoma, kurovera nekukuya, uye chirema chichabvaruka pano, kuita chirema chikuru.Iyo yakatsva zvakanyanya pamusoro pekugadzira yakaita seganda reorenji rine makatsemuka uye gobvu oxide peel.
Zvinokurudzirwa kushandisa fluorescent magineti poda yekuona kukanganisa kuita kuti chirema chiratidze zvakajeka.Makomba egomba anokonzerwa nekupisa zvakanyanya kukanganisa mukufoja.
Kucherechedzwa kweMicroscopic yemetallographic samples yakaitwa pamwe nechikamu chakaremara chakaratidza kuti maburi akagoverwa pamusoro uye yechipiri nzvimbo.Maburi acho aive makona kune mamwe mativi, aine makuriro akasiyana uye asina kudzika pasi.Paive nekutsemuka kwakanaka kumacheto uye zviyo boundary oxidation mune dzimwe nzvimbo.Mukuwedzera, nzvimbo yakaputsika yakaonekwa mushure mekuputika pamwe chete nemakomba akaremara.Yakawanikwa kuti kuputsika kwaive kwakafanana nematombo, uye nhamba huru yemakomba uye micro-cracks yakagoverwa pairi.
3. Kudzima mutswe
Mukuita kwekudzima, kana tembiricha yekudzima yakakwira zvakanyanya kana chiyero chekutonhora chakanyanya kukurumidza, kushushikana kwemukati kwakakura kupfuura simba rekutsemuka kwezvinhu, pachava nekudzima kuputika.
Fluorescent magnetic particle inspection inofanira kushandiswa kuvandudza kunzwa uye kuvimbika.Magnetic mamaki ekudzima hurema anowanzo oblique, denderedzwa, dendritic kana reticular, ine nzvimbo yakakura yekutanga uye zvishoma nezvishoma kutetepa nenzira yekuwedzera.
Zvikuru pamwe chete circumferential nhungamiro kugovera, muswe tapering.Mushure mekucheka mutswe kuita metallographic sampuli, zvinogona kuonekwa kuti mutswe wakadzika kwazvo, unonyatso perpendicular kune yekunze, uye hapana kubatanidzwa kwezvinhu nemimwe miviri yekunze inowanikwa mukutsemuka.Zvakaonekwa kuti kuputsika kwacho kwaiva brittle uye pamusoro pekuputsika kwaiva pachena pyrochromatic.
4, kuremara kwekukuya
Mukuita kwekudzima, kana tembiricha yekudzima yakakwira zvakanyanya kana chiyero chekutonhora chakanyanya kukurumidza, kushushikana kwemukati kwakakura kupfuura simba rekutsemuka kwezvinhu, pachava nekudzima kuputika.
Fluorescent magnetic particle inspection inofanira kushandiswa kuvandudza kunzwa uye kuvimbika.Magnetic mamaki ekudzima hurema anowanzo oblique, denderedzwa, dendritic kana reticular, ine nzvimbo yakakura yekutanga uye zvishoma nezvishoma kutetepa nenzira yekuwedzera.
Zvikuru pamwe chete circumferential nhungamiro kugovera, muswe tapering.Mushure mekucheka mutswe kuita metallographic sampuli, zvinogona kuonekwa kuti mutswe wakadzika kwazvo, unonyatso perpendicular kune yekunze, uye hapana kubatanidzwa kwezvinhu nemimwe miviri yekunze inowanikwa mukutsemuka.Zvakaonekwa kuti kuputsika kwacho kwaiva brittle uye pamusoro pekuputsika kwaiva pachena pyrochromatic.
5. Kukanganisa kwezvinhu zvakagadzirwa
Mukuita kugaya kwekutakura zvikamu, kukuya mitswe iri nyore kuitika nekuda kwekudya kwakawanda kwevhiri rekukuya, kupera kwejecha vhiri shaft, kusakwana kwekucheka kwemvura yekugezera uye kugonda kukuya zviyo zvekukuya vhiri.Mukuwedzera, panguva yekurapa kwekupisa, tembiricha yekudzima yakakwira zvakanyanya, zvichikonzera kupisa kwezvikamu, zviyo zvakakora, zvimwe zvakasara austenite vhoriyamu, mesh uye coarse particles.
Iwo magineti mamakisi ekukuya akaremara anowanzo kubatwa, radial, parallel linear kana kuputika.Iwo magineti mamakisi akaonda uye akapinza, ane ratidziro yakajeka uye nhamba huru yavo, iyo inowanzo perpendicular kune nzira yekukuya.Magnetic mamaki anonyanya kutariswa muchikamu chepakati, pamwe neinotenderera nzira, muchimiro chetambo refu kana dendritic, chikamu bifurcation, magineti mamaki convergence.
Zvakaonekwa kuti chikamu chekutsemuka chaive chakanaka uye chakanangana nepamusoro.Hapana kubatanidzwa kwezvinhu, oxide scale nemimwe miviri yekunze yakawanikwa muchikamu chekutsemuka.
Nguva yekutumira: Jun-20-2022