Ukwakheka komfantu kuyinselelo evamile ezinqubweni zokuvala i-laser, ngokuvamile okuthinta ikhwalithi nokuqina kwesendlalelo esigqokile. Ukuqonda izimbangela kanye nokusebenzisa izinyathelo zokuvimbela ezisebenzayo kubalulekile ukuze kuzuzwe imiphumela emihle. Ukwengeza, ukugcina umsebenzi ofanele we-chiller yamanzi kubalulekile, njengoba ukwehluleka kokupholisa kungandisa kakhulu ingozi yokuqhekeka.
Izimbangela Ezivamile Zemifantu ku-Laser Cladding
1. Ukucindezeleka Okushisayo:
Esinye sezimbangela eziyinhloko zokuqhekeka ukucindezeleka okushisayo okubangelwa ukungafani kwe-coefficient of thermal expansion (CTE) phakathi kwezinto eziyisisekelo kanye nesendlalelo sokuvala. Ngesikhathi sokupholisa, ukugxila kwengcindezi kukhula esibonakalayo, okwandisa amathuba okuqhekeka.
2. Ukupholisa Okusheshayo:
Uma izinga lokupholisa lishesha kakhulu, ingcindezi eyinsalela ngaphakathi kwento ayikwazi ukukhululwa ngempumelelo, okuholela ekwakhekeni kwama-crack, ikakhulukazi ekuqina okuphezulu noma izinto eziphukayo.
3. Izinto ezibonakalayo:
Ingozi yokuqhekeka iyanda lapho usebenzisa ama-substrates anokuqina okuphezulu (isb., izinto ezicishiwe noma ezishisiwe/ezine-nitrided) noma izimpushana ezinobunzima obuphezulu ngokweqile noma ezingasebenzisani kahle. Ama-substrates anezendlalelo zokukhathala noma ikhwalithi yendawo engahambisani nayo ingaba nomthelela ekuqhekekeni.
Izinyathelo Zokuvimbela
1. Ukuthuthukisa Amapharamitha wenqubo:
Ukulungisa ngokucophelela amandla e-laser, isivinini sokuskena, nezinga lokuphakelwa kwempushana kusiza ukulawula izinga lokushisa lechibi elincibilikayo nezinga lokupholisa, kunciphisa ama-gradient ashisayo kanye nengozi yokuqhekeka.
2. Ukushisisa nokupholisa okulawulwayo:
Ukushisa kuqala izinto eziyisisekelo nokusebenzisa kancane, ukupholisa ngemva kokuvala okulawulwayo kungasiza ekudambiseni ingcindezi eyinsalela, kwehlise amandla okuthuthukiswa kokuqhekeka.
3. Ukukhetha Okubalulekile Kwempushana:
Ukukhetha izimpushana ezihambisana nesisekelo sezinto ezisetshenziselwa ukunwetshwa okushisayo nobulukhuni kubalulekile. Ukugwema ubulukhuni obedlulele noma ukungahambisani nokushisa kunciphisa ukucindezeleka kwangaphakathi nokwakheka kokuqhekeka.
Umthelela Wokuhluleka Kwe-Chiller Ekubunjweni Kwe-Crack
A
amanzi okugeza amanzi
idlala indima ebalulekile ekuphathweni okushisayo kwemishini yokuvala i-laser. Uma i
amanzi okugeza amanzi
yehluleka
, kungaholela ekushiseni ngokweqile komthombo we-laser noma izingxenye ezibalulekile, kubeke engozini ukuzinza kwenqubo. Ukushisa ngokweqile kungase kuguqule ukuncibilika kwe-pool dynamics futhi kwandise kakhulu ingcindezi eyinsalela kundaba, kube nomthelela ngokuqondile ekwakhekeni kwemifantu. Ukuqinisekisa ukusebenza kwe-chiller okuthembekile ngakho-ke kubalulekile ekugcineni ikhwalithi yokugqoka kanye nokuvimbela ukukhubazeka kwesakhiwo.
Isiphetho
Imifantu ekufakweni kwe-laser ingancishiswa ngempumelelo ngokuphatha ingcindezi yokushisa, ukukhetha izinto ezifanele, nokugcina izimo zokupholisa ezizinzile. I-chiller yamanzi ethembekile iyingxenye ebalulekile yesistimu, esiza ukuqinisekisa ukulawulwa okungaguquki kwezinga lokushisa nokuthembeka kwemishini yesikhathi eside.
![Causes and Prevention of Cracks in Laser Cladding and the Impact of Chiller Failures]()