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Hunhu Hwakakosha hweLaser Cladding Technology

2025-05-23

Tekinoroji yeLaser cladding, nzira yepamusoro-soro yekuchinja pamusoro, inogona kuiswa muzvikamu zviviri zvikuru zvichienderana nemaitiro ekudyisa upfu: nzira yekugadzirisa hupfu uye nzira yekudyisa upfu inopindirana. Pasinei nekugovana mhedzisiro yakafanana, nzira yekudyisa upfu inopindirana inoonekwa nemabhenefiti akakosha akawanda. Inogonesa kudzora otomatiki zvisina musono, izvo zvakakosha pakugadzirwa kwemaindasitiri makuru. Nzira iyi inewo mwero wepamusoro wekunyudzwa kwesimba relaser, ichivandudza kushandiswa kwezviwanikwa zvelaser. Uyezve, zvinhu zvakagadzirwa nenzira iyi hazvina maburi emukati, zvichivimbisa kuti chimiro chazvo chakasimba. Pakubata nesimbi ceramic cladding, nzira yekudyisa upfu inopindirana inopenya zvechokwadi. Inovandudza zvinoshamisa kuramba kwe cladding layer uye inovimbisa kuti zvikamu zve ceramic zvakaoma zvinogoverwa zvakaenzana mukati mese, zvichiwedzera kushanda kwese kwenzvimbo yakaputirwa.

Kuputira neLaser kunotsanangurwa nerumwe rudzi rwezvinhu zvakasiyana. Chekutanga, ine mwero wekutonhora unoshamisa, unosvika 10⁶ K/s. Maitiro aya ekukurumidza kuomarara anotungamira pakuumbwa kwechimiro che micrograined. Zvinovhurawo mukana wekugadzira zvikamu zvitsva zvisingawanikwe mumamiriro ezvinhu akajairwa, akadai sezvikamu zvinochinjika uye zvivakwa zvisina chimiro. Izvi zvinhu zvakasiyana zve microstructure zvinopa zvinhu zvakaputirwa hunhu hwakawedzerwa hwemakanika uye hwepanyama.

Chechipiri, mwero wekusanganiswa kwejira rekufukidza mulaser cladding unowanzova pasi pe5%. Izvi zvinoguma nekubatana kwakasimba kwesimbi kana kuti interface diffusion bond ne substrate. Nekugadzirisa nemazvo ma parameter e laser process akadai sesimba, kumhanya kwe scanning, uye mwero wekudyisa hupfu, coating yemhando yepamusoro ine mwero wakaderera wekusanganiswa inogona kuwanikwa. Kudzora uku pamusoro pehuwandu hwe coating uye mwero wekusanganiswa kunobvumira kugadziriswa kuti kusangane nezvinodiwa zvekushandisa.

Chechitatu, kufukidza nelaser hakudi kupisa zvakanyanya, izvo zvinokonzeresa kukanganiswa kushoma. Kana kufukidza nekukurumidza kwacho kuchishandiswa nesimba rakawanda, kuchinjika uku kunogona kuderedzwa kusvika padanho rekuti chikamu chacho chikwanise kusanganiswa zvakanaka. Izvi zvinoita kuti chikwanise kugadziriswa nezvikamu zvakanyatsonaka pasina kukanganisa kururama kwezvikamu.

Chechina, hapana zvirambidzo pakusarudza upfu. Izvi zvinoreva kuti zvinokwanisika kuisa ma alloys ane ma point melting alloys akawanda pamusoro pesimbi dzine ma point melting alloys mashoma, zvichiwedzera kusanganiswa kwezvinhu uye kushandiswa kwe laser cladding. Hukobvu hwe cladding layer hwakakurawo, nehukobvu hwe single-pass powder-feeding coating hunobva pa 0.2 kusvika 2.0 mm.

Kuisa chifukidziro chekusarudza chimwe chinhu chakanaka zvikuru chekuisa chifukidziro chelaser. Chinobvumira kushandiswa kwakanangana kwejira, kuderedza marara ezvinhu uye kupa chiyero chakanaka chekushanda - kusvika - mutengo. Kukwanisa kunangisa danda relaser kunobvumira kuisirwa chifukidziro munzvimbo dzakaoma kusvika, zvichiita kuti chikwanise kushandiswa nezvinhu zvakaoma. Chekupedzisira, maitiro acho anoenderana zvikuru ne otomatiki, zvichiita kuti kugadzirwa kwemhando yepamusoro uye kubudirire munzvimbo dzemaindasitiri.

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