Iimbangela kunye nokuThintelwa kokuNgqobhoza kwi-Laser Cladding kunye neMpembelelo yokuFayiswa kweChiller

Ukubunjwa kwe-crack ngumngeni oqhelekileyo kwiinkqubo ze-laser cladding, zihlala zichaphazela umgangatho kunye nokuqina kwe-clad layer. Ukuqonda izizathu ezingundoqo kunye nokuphumeza amanyathelo othintelo asebenzayo kubalulekile ekuphumezeni iziphumo ezizezona zilungileyo. Ukongezelela, ukugcina umsebenzi ofanelekileyo we-chiller yamanzi kubalulekile, njengoko ukusilela kokupholisa kunokunyusa kakhulu umngcipheko wokuqhekeka.

Iimbangela eziqhelekileyo zokuqhekeka kwi-Laser Cladding

1. Uxinzelelo lweThermal: Esinye sezizathu eziphambili zokuqhekeka kuxinzelelo lwe-thermal olubangelwa ukungahambi kakuhle kwi-coefficient of thermal expansion (CTE) phakathi kwezinto ezisisiseko kunye ne-cladding layer. Ngexesha lokupholisa, ukugxininiswa koxinzelelo kukhula kwi-interface, kwandisa amathuba okuqhekeka.

2. Ukupholisa ngokukhawuleza: Ukuba izinga lokupholisa likhawuleza kakhulu, uxinzelelo olushiyekileyo ngaphakathi kwezinto alukwazi ukukhutshwa ngokufanelekileyo, okukhokelela ekubunjweni kokuqhekeka, ngokukodwa kwizinto ezinobunzima obuphezulu okanye ezinqabileyo.

3. Iimpahla zeMathiriyeli: Umngcipheko wokuqhekeka uyanda xa usebenzisa isubstrates ezinobunzima obuphezulu (umzekelo, izinto ezicinyiweyo okanye ezenziwe nge-carburized/nitrided) okanye iipowders ezinobulukhuni obuphezulu ngokugqithisileyo okanye ukungahambelani kakuhle. I-Substrates enemigangatho yokudinwa okanye umgangatho ongahambelaniyo womphezulu nawo unokufaka isandla ekuqhekekeni.

Amanyathelo othintelo

1. Ukuphucula Iiparamitha zeNkqubo: Ukulungelelanisa ngononophelo amandla e-laser, isantya sokuskena, kunye nesantya sokutya komgubo kunceda ukulawula ubushushu bechibi lokunyibilika kunye nenqanaba lokupholisa, ukunciphisa i-gradients ezishushu kunye nomngcipheko wokuqhekeka.

2. Ukufudumeza kwangaphambili kunye nokuPholisa okuLawulweyo: Ukufudumeza imathiriyeli esisiseko kunye nokusetyenziswa okucothayo, okulawulwayo kokupholisa emva kokugquma kunganceda ukuthomalalisa uxinzelelo olushiyekileyo, ukwehlisa amandla ophuhliso lokuqhekeka.

3. Ukukhetha i-Right Powder Material: Ukukhetha iipowder ezihambelana nezinto ezisisiseko kwiipropati zokwandisa i-thermal kunye nobunzima kubalulekile. Ukuphepha ubunzima obugqithiseleyo okanye ukungahambelani kwe-thermal kunciphisa uxinzelelo lwangaphakathi kunye nokwakheka kokuqhekeka.

Impembelelo yokuFayiswa kweChiller kwi-Crack Formation

A chiller amanzi  idlala indima ebalulekileyo kulawulo lwe-thermal yezixhobo zokuvala i-laser. Ukuba i chiller amanzi iyasilela , kunokukhokelela ekugqithiseni komthombo we-laser okanye amacandelo abalulekileyo, ukuphazamisa ukuzinza kwenkqubo. Ukushisa ngokugqithiseleyo kunokutshintsha i-melt pool dynamics kunye nokwandisa kakhulu uxinzelelo olushiyekileyo kwizinto eziphathekayo, ezinegalelo ngokuthe ngqo ekubunjweni kokuqhekeka. Ukuqinisekisa ukusebenza kwe-chiller okuthembekileyo kubalulekile ke ngoko ukugcina umgangatho wokugquma kunye nokuthintela iziphene kulwakhiwo.

Ukuqukumbela

Iintanda kwi-laser cladding zinokuncitshiswa ngokufanelekileyo ngokulawula uxinzelelo lwe-thermal, ukukhetha izinto ezifanelekileyo, kunye nokugcina iimeko zokupholisa ezizinzileyo. I-chiller yamanzi ethembekileyo yinxalenye ebalulekileyo yenkqubo, inceda ukuqinisekisa ukulawulwa kobushushu obuhambelanayo kunye nokuthembeka kwezixhobo zexesha elide.