1. Ibikoresho byo gushakisha
(1)Gukata ibyuma bya karubone hamwe nicyuma giciriritse kirimo gushiramo byoroshye no gukata cyane.Igurishwa rikoreshwa cyane mugucuruza byoroshye ni amabati yagurishijwe.Ubushuhe bwuyu ugurisha ibyuma byiyongera hamwe no kwiyongera kwamabati, bityo umugurisha ufite amabati menshi agomba gukoreshwa mugufunga ingingo.Fesn2 intermetallic compound layer irashobora gushingwa kumurongo uri hagati y amabati nicyuma mugurisha amabati.Kugirango wirinde kwibumbira hamwe muri iki cyiciro, ubushyuhe bwa brazing hamwe nigihe cyo gufata bigomba kugenzurwa neza.Imbaraga zogosha zingingo zicyuma cya karubone zometse hamwe nabacuruzi benshi basanzwe bagurisha amabati yerekanwa mumbonerahamwe 1. Muri zo, imbaraga zifatanije zasizwe na 50% w (SN) nizo zisumba izindi, kandi imbaraga zifatanije zasuditswe na antimoni yubusa irarenze ibyo hamwe na antimoni.
Imbonerahamwe 1 yogukoresha imbaraga za karubone zifatanije na tin gurş kugurisha
Iyo usya ibyuma bya karubone hamwe nicyuma giciriritse, umuringa usukuye, umuringa wa zinc hamwe nifeza y'umuringa zinc brazing zuzuza cyane.Umuringa usukuye ufite aho ushonga cyane kandi biroroshye okiside icyuma fatizo mugihe cyo gushakisha.Ikoreshwa cyane cyane kuri gaz ikingiwe na brazing na vacuum.Ariko, twakagombye kumenya ko ikinyuranyo hagati yingingo zometseho zigomba kuba munsi ya 0.05mm kugirango wirinde ikibazo cyuko icyuho kidashobora kuzuzwa kubera amazi meza yumuringa.Ibyuma bya karubone hamwe nicyuma giciriritse cyometseho umuringa usukuye gifite imbaraga nyinshi.Mubisanzwe, imbaraga zo gukata ni 150 ~ 215mpa, mugihe imbaraga zingana zagabanijwe hagati ya 170 ~ 340mpa.
Ugereranije n'umuringa usukuye, aho gushonga kugurisha umuringa wa zinc bigabanuka kubera kongeramo Zn.Kugirango wirinde guhumeka Zn mugihe cyo gushakisha, kuruhande rumwe, umubare muto wa Si urashobora kongerwaho kugurisha umuringa wa zinc;Kurundi ruhande, uburyo bwihuse bwo gushyushya bugomba gukoreshwa, nko gucana umuriro, gucana induction no kwibiza.Ihuriro ryibyuma bya karubone hamwe nicyuma giciriritse cyometseho umuringa wa zinc wuzuza ibyuma bifite imbaraga na plastike.Kurugero, imbaraga zingana nimbaraga zo gukata ibyuma bya karubone bifatanye hamwe na b-cu62zn ugurisha bigera kuri 420MPa na 290mpa.Ikibanza cyo gushonga cya feza yumuringa wagurishijwe kiri munsi yuwagurishije umuringa wa zinc, ibyo bikaba byoroshye gusudira inshinge.Iki cyuma cyuzuza gikwiranye no gucana umuriro, gushiramo induction no gutanura itanura ryibyuma bya karubone hamwe nicyuma giciriritse, ariko ibiri muri Zn bigomba kugabanuka cyane bishoboka mugihe cyo gutwika itanura, kandi ubushyuhe bugomba kwiyongera.Gukata ibyuma bya karubone hamwe nicyuma giciriritse hamwe nicyuma cya silver zinc zuzuza ibyuma birashobora kubona ingingo hamwe nimbaraga nziza na plastike.Amakuru yihariye ari ku mbonerahamwe ya 2.
Imbonerahamwe ya 2 imbaraga zicyuma cya karubone nkeya zometseho ifeza ya silver zinc
.Ubusanzwe flux igenwa nuburyo bwatoranijwe bwuzuza ibyuma nuburyo bwo gushakisha.Iyo hagurishijwe amabati ya sisitemu, amazi avanze ya zinc chloride na chloride amonium arashobora gukoreshwa nka flux cyangwa andi mazi adasanzwe.Ibisigisigi byiyi flux mubisanzwe byangirika cyane, kandi ingingo igomba guhanagurwa cyane nyuma yo gushiramo.
Mugihe cyo gutekesha icyuma cyuzuza umuringa, fb301 cyangwa fb302 flux bizatoranywa, ni ukuvuga borax cyangwa imvange ya borax na aside ya boric;Mu gucana ibirimi by'umuriro, imvange ya methyl borate na acide formic irashobora kandi gukoreshwa nka brazing flux, aho imyuka ya B2O3 igira uruhare mugukuraho firime.
Iyo feza y'umuringa zinc brazing yuzuza ibyuma, fb102, fb103 na fb104 ya brazing flux irashobora gutoranywa, ni ukuvuga imvange ya borax, aside boric na fluoride.Ibisigisigi byiyi flux birashobora kwangirika kurwego runaka kandi bigomba kuvaho nyuma yo gushakisha.
2. Gukoresha tekinoroji
Ubuso bugomba gusudwa bugomba guhanagurwa hakoreshejwe uburyo bwa mashini cyangwa imiti kugirango harebwe niba firime ya oxyde nibintu kama byakuweho burundu.Ubuso busukuye ntibushobora kuba bubi kandi ntibushobora gukomera ku byuma cyangwa undi mwanda.
Ibyuma bya karubone hamwe nicyuma gito gishobora gukoreshwa muburyo butandukanye bwo gushakisha.Mugihe cyo gucana umuriro, kutagira aho bibogamiye cyangwa kugabanya gato urumuri rugomba gukoreshwa.Mugihe cyo gukora, gushyushya byimazeyo ibyuma byuzuza na flux na flame bigomba kwirindwa bishoboka.Uburyo bwo gushyushya byihuse nka induction brazing na dip brazing birakwiriye cyane gusya ibyuma byazimye kandi bifite ubushyuhe.Muri icyo gihe, kuzimya cyangwa gukonjesha ubushyuhe buri munsi yubushyuhe bigomba gutoranywa kugirango birinde koroshya ibyuma fatizo.Iyo usya ibyuma bito bito cyane byuma bikingira ikirere, ntibisabwa gusa kuba gazi isukuye cyane, ahubwo bigomba no gukoreshwa kugirango habeho gukwirakwiza no gukwirakwiza ibyuma byuzuza hejuru yicyuma.
Ibisigisigi bisigaye birashobora gukurwaho nuburyo bwa shimi cyangwa ubukanishi.Ibisigisigi bya flux ya brazing flux birashobora guhanagurwa cyangwa gusukurwa na lisansi, inzoga, acetone nindi mashanyarazi;Ibisigisigi byamazi akomeye yangirika nka zinc chloride na chloride ya amonium bigomba kubangikanywa mbere yumuti wamazi wa NaOH, hanyuma bigasukurwa namazi ashyushye nubukonje;Acide ya Boric na aside irike isigaye iragoye kuyikuramo, kandi irashobora gukemurwa gusa nuburyo bwa mashini cyangwa kwibiza igihe kirekire mumazi azamuka.
Igihe cyo kohereza: Jun-13-2022