Bari mu kasance masu gaskiya, lokacin da yawancin mutane suka ji 'electro-galvanized flange bolts', suna tunanin 'mai kyau don amfanin waje' kuma suna kiran shi a rana. Daga nan ne matsalolin suka fara. Na ga ayyuka da yawa da yawa inda ƙayyadaddun ya ce kawai 'galvanized', ba tare da fayyace nau'in ko yanayin ba, wanda ke haifar da tsatsa da wuri akan abin da yakamata ya zama haɗin gwiwa mai ƙarfi. Yanayin ba kawai game da suturar da ke samun kauri ba; yana da game da fahimtar iyakokinsa da haɗa shi tare da ƙira mafi wayo da kulawa daga ɗakin ajiya zuwa filin.

Garkuwan Rashin Fahimta

Electro-galvanizing (zinc plating) yana ba da kyakkyawar ƙare, mai tsabta, azurfa. Yana da kyau da kyau kuma yana ba da kariya ta cathodic. Amma wannan garkuwar bakin ciki ce, sau da yawa 5-8 microns akan daidaitattun kusoshi na kasuwanci. Halin ɗorewa da nake gani ba lallai ba ne zuwa ga ɗorawa mai kauri-wanda ke da tsada-hana ga aikace-aikace da yawa-amma zuwa ga kyakkyawan tsammanin. Muna ƙaura daga ɗaukar shi azaman mafita na waje na duniya. A cikin yanayin da ba daidai ba (tunanin yankunan birane da wasu gurɓata yanayi), zai iya ɗaukar shekaru kaɗan. Amma ga saitunan masana'antu na bakin teku ko babban danshi, yana da wani share fage ga gazawa. Na tuna wani rukunin da aka yi amfani da shi a cikin wani wurin ajiya kusa da Qingdao; tsatsa ta bayyana a cikin watanni 18. Gishirin da ke cikin iska kawai ya ci ta cikin layin zinc da sauri fiye da yadda kowa ke tsammani.

Makullin shine yanayin hadaya. Zinc ɗin yana lalata farko, yana kare ma'aunin ƙarfe. Da zarar an cinye zinc, tsatsa ta fara. Halin da ake ciki a cikin ƙwararrun da'irori shine yin ƙirar wannan ƙimar amfani daidai. Ba tambayar eh/a'a ba ce, amma lissafin 'lokaci-zuwa-farko-kiyaye'. Wasu masu samar da kayayyaki, kamar Handan Zitai Fastener Manufacturing Co., Ltd., suna samun ci gaba a samar da ƙarin daidaiton bayanan kauri, wanda ke da mahimmanci ga waɗannan tsinkaya. Wurin su a Yongnian, cibiyar mai ɗaukar hoto, yana nufin sun sarrafa miliyoyin kusoshi kuma sun ga kowane yanayin gazawar da ake iya tunanin.

Wani canji mai amfani shine dagewar dagewa akan jiyya bayan-plating. Kyawawan shuɗi-haske ko bayyanannen passivation na chromate (wanda ke ba da ɗan ƙaramin launin rawaya) daidai yake. Amma ina ganin ƙarin buƙatun don kauri, ƙarin sha'awar kariya, kamar shuɗi mai shuɗi ko baƙar fata, waɗanda ke ba da mafi kyawun juriya na lalata ba tare da kasancewar chrome hexavalent ba. Canjin ƙaramin tsari ne wanda ke haɓaka dorewa sosai, wataƙila yana ƙara sa'o'i 50-100 zuwa sakamakon gwajin feshin gishiri mai tsaka tsaki. Ba sihiri ba ne, amma haɓakawa ne na zahiri.

Inda Zaren Ya Haɗu: Factor Flange

Wannan shine inda ƙusoshin flange na electro-galvanized ke samun ban sha'awa. Flange (mai wanki mai haɗawa) yana canza wasan. Yana haifar da filaye mai girma, wanda yake da kyau don rarraba kaya. Amma kuma yana haifar da tsattsauran raɗaɗi tsakanin flange da saman mating. Idan ba ku sami wannan dama ba, danshi yana samun tarko a can, kuma lalata yana haɓaka cikin wannan ɓoyayyun ratar. Na tarwatsa ƙusoshin da suka yi kyau daga sama, amma gefen flange ɗin ya kasance damun farar samfuran lalata zinc (fararen tsatsa) har ma da farar tsatsa.

Halin da ake ciki yanzu shine mafi kyawun rufe wannan haɗin gwiwa. Wasu ƙayyadaddun bayanai suna kira ga ƙwanƙwasa na sealant da aka shafa a fuskar flange kafin a ɗaure. Wasu kuma suna kallon kusoshi tare da abin rufe fuska mai ɗaure a ƙarƙashin flange. Wani ƙarin mataki ne, ƙarin farashi, amma yana magance ainihin maƙasudin gazawar. Yana da motsi daga kallon kullun don kallon tsarin haɗin gwiwa duka. Ƙarfafa ba kawai game da suturar ƙugiya ba; yana game da yanayin da kuka ƙirƙira masa da zarar an shigar dashi.

Hakanan ba za mu iya yin watsi da lalata galvanic ba. Ƙarfe mai ɗorewa ta lantarki da aka ɗaure cikin ƙirar aluminium littafi ne na bimetallic biyu. Rufin zinc yana taimakawa, amma yana cinyewa da sauri. Halin da ake yi a cikin injiniyoyi masu ƙwarewa shine nacewa akan keɓewa - ta amfani da wanki ko hannayen riga marasa amfani don karya hanyar lantarki. Na koyi wannan hanya mai wahala akan aikin hawan hasken rana shekaru da suka wuce. Racking na aluminium da tulun da aka yi da zinc, ba tare da keɓancewa ba, sun haifar da mummunan rami a cikin aluminium cikin shekaru biyu. Kullun ba su da kyau, amma tsarin ya lalace. Darasi mai tsada a cikin tunanin tsarin.

Gudanarwa da Ajiya: Masu Kashe Silent

Dole ne yanayin dawwama ya haɗa da abin da zai faru kafin a yi amfani da gunkin. Electro-galvanized coatings ne m. Ana iya kame su, sawa, ko gurɓata a cikin mu'amala. Na ziyarci yadi inda ake jefa buhunan waɗannan ƙullun a kusa da su, ana adana su cikin yanayi mai ɗanɗano, ko gauraye da wasu karafa. A lokacin da suka isa wurin, an riga an rage tsawon rayuwarsu. Layer na zinc na iya samun ƙananan karaya da ba za ku iya gani ba.

Kyakkyawan yanayi shine tafiya zuwa mafi kyawun marufi. Jakunkuna da aka rufe tare da VCI (Vapor Corrosion Inhibitor) takarda suna zama gama gari don ayyuka masu girma ko mahimmanci. Yana kiyaye kusoshi pristine har zuwa lokacin amfani. Kamfanonin da ke fitarwa, kamar Zitai Fasteners, galibi suna amfani da wannan azaman ma'auni don jigilar kayayyaki na teku don hana iskar gishiri yayin tafiya. Yana yin babban bambanci. Kuna iya duba tsarin su akan https://www.zitaifaseners.com – mayar da hankalinsu kan dabaru daga tushe kusa da manyan hanyoyin sufuri ya nuna sun fahimci sarkar samar da wani bangare ne na daidaiton dorewa.

Wani daki-daki: zaren lubrication. Filayen zaren electro-galvanized na fili na iya gamuwa, musamman a cikin ƙwayayen bakin karfe (na kowa, amma matsala, haɗuwa). Yanayin yana zuwa ga ƙarin busassun man shafawa ko kakin zuma akan platin. Wannan yana rage juzu'i yayin ƙarfafawa (ba da ƙarin daidaitaccen ƙarfi) kuma yana ƙara wani ƙaƙƙarfan shinge akan danshi. Mataki ne mai rahusa, babban tasiri wanda galibi ana yin watsi da shi a cikin mahimman bayanai.

Madadin Zafafa-Dip da Gaskiyar Kuɗi

Duk wani tattaunawa akan dorewar electro-galvanized babu makawa ta juya zuwa ga galvanizing mai zafi (HDG). HDG yana ba da kauri mai kauri, mai karko, sau da yawa fiye da 50 microns. Don haka, me yasa ba shine tsoho ba? Farashin da dacewa. Tsarin tsomawa mai zafi zai iya barin murfin mara daidaituwa wanda ya cika zaren, yana buƙatar sake bugawa. Don madaidaicin kusoshi na flange, wannan sau da yawa ba za a yarda da shi ba. Halin da nake gani shine mafi ƙaranci bifurcation: amfani da lantarki don mahalli masu sarrafawa, aikace-aikacen ƙayatarwa, ko kuma inda juriya mai girma ke da mahimmanci. Yi amfani da HDG don ƙaƙƙarfan kayan aikin fallasa.

Ainihin abin da ya faru shi ne mafi wayo ƙayyadaddun ƙayyadaddun bayanai, ba hanya ɗaya mai dacewa ba. Ina shiga cikin ƙarin ayyuka inda dabarun kariyar lalata shine matrix: yanayi (C1 zuwa C5), rayuwar sabis da ake buƙata, da samun damar kulawa. Ƙaƙwalwar lantarki-galvanized bolt tare da ƙarin tsarin fenti na iya zama cikakke, ingantaccen bayani mai tsada don yanayin C3 tare da maƙasudin shekaru 15. Yana da game da shimfidar kariya.

Har ila yau, dole ne mu yi magana game da haɓakar hydrogen. Tsarin lantarki na iya gabatar da hydrogen zuwa ƙarfe mai ƙarfi (jin 8.8 da sama), yana mai da shi gatse. Yin burodi mai kyau (de-embrittlement) bayan-plating ba za a iya sasantawa ba don aikace-aikace masu mahimmanci. Yanayin yana zuwa ga tsauraran takaddun shaida anan. Mashahuran masana'antun suna yin gasa a matsayin ma'auni don babban ƙarfi. Ba ya shafar yanayin rufin, amma yana da mahimmanci yana rinjayar dacewar tsarin ginin. Mataki ne marar gani wanda ke raba mai kaya mai kyau da mai girma.

Neman Gaba: Kayayyaki da Tweaks Tsari

Ina wannan ya dosa? Ba na ganin electro-galvanizing yana ɓacewa. Yana da tsada sosai kuma yana da yawa. Amma ƙwaƙƙwaran turawa yana zuwa daga fasaha na taimako. Ɗayan shine haɓakawa a cikin kayan kwalliyar zinc, kamar zinc-nickel ko zinc-cobalt electroplating. Waɗannan suna ba da juriya na feshin gishiri sau 2-3 na tutiya mai tsafta a ɗan ƙaramin farashi. Suna shiga cikin kera motoci da aikace-aikacen masana'antu mafi girma.

Wani kuma shine hadewar electro-galvanized kusoshi cikin dijital kadari management. Idan kun san ainihin abin da kullin ya tafi a ina da kuma lokacin, zaku iya bin diddigin ayyukansa da shirin kiyayewa. Lambobin QR ko alamun RFID akan marufi sun fara bayyana. Wannan madauki na bayanan bayanan zai sake inganta samfuran mu na dorewa, yana motsa su daga kididdigar littafin karatu zuwa ainihin duniya, takamaiman wurin rayuwa.

A ƙarshe, yana da game da ilimi. Babban yanayin da ake buƙata shine kawar da bakin karfe shine mafi kyawun labari koyaushe. Don aikace-aikace da yawa, ƙayyadaddun ƙayyadaddun kuma shigar da su yadda ya kamata electro-galvanized flange aronji yana ba da ma'auni mafi kyaun ƙarfi, kariyar lalata, da farashi. Karuwar sa ana iya tsinkaya idan kun mutunta iyakokin sa. Ba mafita ba ne na fasaha mai mahimmanci, amma wanda aka fahimta sosai, lokacin da aka yi amfani da shi tare da nuance, ya ci gaba da riƙe da yawa na zamani na zamani tare-kawai daga gani, a ƙarƙashin flange.