Ukugaya nge-galvanizing yinkqubo ebalulekileyo kwishishini lesinyithi, esetyenziselwa ukukhusela isinyithi kunye nentsimbi ekungcoleni. Ngokusebenzisa i-zinc coating ekhuselayo, ukugaya nge-galvanizing kwandisa ubomi beemveliso zesinyithi, kuzenza zihlale ixesha elide kwaye zilungele ukusetyenziswa ngeendlela ezahlukeneyo. Kukho iindlela ezintathu eziphambili zokugaya nge-galvanizing:ukuntywila okushushu, i-electro-galvanizing, kunye ne-zinc spray. Indlela nganye ineenkqubo zayo ezizodwa, iingenelo, kunye nokusetyenziswa, esiza kuzihlola ngokweenkcukacha, kuquka nemisebenziimigca yokugaya i-galvanizing, ukomisa imingxuma, kunye nokuhlaziya kwakhona itanki ngolu hlobo.
1. I-Hot-Dip Galvanizing
I-hot-dip galvanizing yeyona ndlela isetyenziswa kakhulu yoku-galvaniza. Kule nkqubo, iindawo zentsimbi okanye zesinyithi zifakwa kwibhafu ye-zinc enyibilikisiweyo kumaqondo obushushu amalunga ne-450°C (842°F). Le nkqubo iqala ngokulungiselela umphezulu, nto leyo ibalulekileyo ekuqinisekiseni unxibelelwano oluqinileyo phakathi kwe-zinc nesinyithi. Olu lungiselelo ludla ngokubandakanya ukucoca isinyithi ukususa nayiphi na i-rust, ioyile, okanye izinto ezingcolisayo, kusetyenziswa indibaniselwano yeendlela zoomatshini nezekhemikhali.
Nje ukuba umphezulu ulungisiwe, isinyithi sityibilikiswa kwi-zinc enyibilikisiweyo. Ubushushu obuvela kwi-zinc enyibilikisiweyo bubangela ukusabela kwe-metallurgical, okwenza uthotho lweengqimba ze-zinc-iron alloy ezinamathelana ngokuqinileyo kwi-substrate yentsimbi. Emva kwenkqubo yokuntywila, iindawo ezigqunyiweyo ziyasuswa kwaye zivunyelwe ukuba ziphole, apho i-zinc iqina kwaye yenze uqweqwe olukhuselayo.
Indima yeMigca yeGalvanizing: Kwimigca yegalvanizing eshushu, imigca yegalvanizing ibalulekile. Le migca yimiqobo yemveliso ekhethekileyo eyenza kube lula yonke inkqubo yegalvanizing, ukusuka ekulungiseleleni umphezulu ukuya kwinqanaba lokugqibela lokuphola. Zihlala ziquka iinkqubo ezizenzekelayo zokucoca, ukufudumeza, kunye nokudipha, ukuqinisekisa ukusebenza kakuhle kunye nokuhambelana kwenkqubo yokugquma.
Umngxuma Wokomisa: Emva kwenkqubo yokucoca, iindawo zesinyithi zihlala zifakwa kwindawo yokomisa. Eli nyathelo libaluleke kakhulu kuba liqinisekisa ukuba naluphi na umswakama oseleyo uyasuswa ngaphambi kokuba iindawo zifakwe kwi-zinc enyibilikisiweyo. Indawo yokomisa egcinwe kakuhle inceda ekuthinteleni iziphene kwinkqubo yokugalela isinyithi, njengeengxaki zokunamathela kwi-zinc okanye ukungalingani kombala.
2. Ukugaya nge-Electro
Ukugaya nge-electro-galvanizing, okanye ukugaya nge-electroplating, yenye indlela yokufaka i-zinc coating kwintsimbi. Ngokungafaniyo ne-hot-dip galvanizing, le nkqubo isebenzisa isisombululo se-electrolytic esine-zinc salts. Iindawo zesinyithi zintywiliselwa kwesi sisombululo kwaye ziqhagamshelwe kumthombo wamandla, nto leyo ebangela ukuba ii-zinc ion zifuduke kwaye zifakwe kumphezulu wesinyithi.
Inkqubo yokugaya nge-electro-galvanizing ivumela ukuba i-coating ibe ncinci kwaye ifane ngakumbi xa ithelekiswa ne-hot-dip galvanizing. Le ndlela iluncedo ngakumbi kwizicelo apho kufuneka i-finish egudileyo, njengakwizixhobo zemoto okanye izixhobo. Nangona kunjalo, i-coating ngokubanzi ayihlali ixesha elide kunaleyo iveliswa yi-hot-dip galvanizing, nto leyo eyenza ukuba ifaneleke ngakumbi kwizicelo zangaphakathi okanye kwiindawo apho kungachaphazeleki kakhulu zizinto ezirhabaxa.
Ukulungiswa kwakhona kweTanki yokuFluxing: Kwi-electro-galvanizing, ukuphinda kusetyenziswe itanki yokufunxa kudlala indima ebalulekileyo. Ii-fluxing agents zisetyenziselwa ukulungisa umphezulu wesinyithi kunye nokuphucula ukunamathela kwe-zinc coating. Emva kwenkqubo ye-electro-galvanizing, isisombululo sokufunxa sinokufuna ukucutshungulwa kwakhona ukuze kugcinwe ukusebenza kwaso kunye nokuqinisekisa iziphumo ezihambelanayo. Oku kubandakanya ukucoca kunye nokugcwalisa ii-fluxing agents ukuze kuphuculwe inkqubo yokufunxa.
3. Ukutshiza ngeZinc
Ukutshiza nge-zinc, okwaziwa ngokuba kukutshiza ngobushushu okanye ukunyibilikisa ngesinyithi, yindlela ebandakanya ukutshiza nge-zinc enyibilikisiweyo phezu komphezulu wesinyithi. Le nkqubo ingenziwa kusetyenziswa iindlela ezahlukeneyo, kubandakanya ukutshiza ngelangatye okanye ukutshiza nge-arc. Ekutshizeni ngelangatye, umxube we-zinc powder kunye ne-oxygen uyavuthelwa, nto leyo edala ilangatye elinyibilikisa i-zinc lize liyiqhubele kwi-substrate. Ekutshizeni nge-arc, i-arc yombane inyibilikisa ucingo lwe-zinc, oluthi emva koko lutshizwe phezu komphezulu.
Ukutshiza nge-zinc kuluncedo kakhulu kwizakhiwo ezinkulu okanye izinto ezingenakutyibilika lula kwi-zinc enyibilikisiweyo. Kubonelela ngesisombululo esiguquguqukayo sokukhusela iindawo ezinokuba nzima ukuzigalela kusetyenziswa iindlela zemveli. Nangona kunjalo, uqweqwe oluveliswa kukutshiza nge-zinc ludla ngokuba lukhulu kwaye lunokufuna iinkqubo ezongezelelweyo zokugqiba ukuze kufezekiswe umphezulu ogudileyo.
Iindlela Zokusetyenziswa Nezinto Omele Uziqwalasele: Indlela nganye yokufaka i-galvanizing ineendlela zayo zokusebenza kunye nezinto omele uziqwalasele. I-hot-dip galvanizing ifanelekile kwizakhiwo zangaphandle, ezifana neebhulorho kunye neepali zombane, apho ukumelana nokugqwala kwexesha elide kubaluleke kakhulu. I-electro-galvanizing idla ngokusetyenziswa kwimveliso yeemoto kunye nezixhobo, apho ubuhle kunye nokugqitywa okugudileyo kubalulekile. Ukutshiza i-zinc kufanelekile kwiindawo ezinkulu okanye ezintsonkothileyo, ezifana neenqanawa okanye oomatshini bemizi-mveliso.
Ukuqukumbela, iindlela ezintathu zokufaka i-galvanizing—i-hot-dip galvanizing, i-electro-galvanizing, kunye ne-zinc spray—nganye inika iingenelo kunye nokusetyenziswa kwayo. Iinkqubo ezibandakanyekayo, kubandakanya ukusetyenziswa kwemigca ye-galvanizing, imingxunya yokomisa, kunye nokulungiswa kwakhona kwetanki, zidlala indima ebalulekileyo ekuqinisekiseni umgangatho kunye nokusebenza kakuhle kwe-zinc coating. Ukuqonda ezi ndlela kuvumela abavelisi ukuba bakhethe indlela efanelekileyo yokwenza i-galvanizing kwiimfuno zabo ezithile, ekugqibeleni kuphucula ukuqina kunye nobude bexesha leemveliso zesinyithi.
Ixesha leposi: Februwari-26-2025