
2026-01-17
Bari mu yanke ta hanyar tallan tallace-tallace. Lokacin da wani ya yi tambaya game da dorewa na baƙar fata mai launin zinari, yawanci suna yin takalmin gyaran kafa don jin kunya ko fatan mu'ujiza. Ba mai sauƙi ba ne ko a'a. Amsar ta ainihi tana rayuwa a cikin yanayin da yake fuskanta, ingancin ƙarfe na tushe, kuma a gaskiya, yadda aka sarrafa tsarin plating. Na ga waɗannan fil ɗin sun gaza a cikin watanni kuma suna dawwama na shekaru, kuma bambancin sau da yawa yakan sauko zuwa cikakkun bayanai mafi yawan takaddun takaddun suna watsi da su.
Yawancin mutane suna jin plating na zinc kuma suna tunanin kariyar lalata. Ba su da kuskure, amma ɓangaren baƙar fata yana canza wasan. Daidaitaccen bayyananne ko shuɗi-mai haske zinc plating yana ba da kariya ta hadaya. Ƙarshen baƙar fata yawanci rufin jujjuyawar chromate ne da ake amfani da shi akan zinc. Wannan baƙar fata chromate Layer yana ba da launi da ɗan ƙara juriya na lalata fiye da, a ce, chromate rawaya, amma yana da tushe na topcoat. Dorewarta garkuwa ce, ba shingen warkar da kai ba. Da zarar wannan bakin bakin bakin ya toshe ko ya sawa ta, sai ka gangara zuwa zinc a kasa, sannan zuwa karfe. Na sami abokan ciniki suna kokawa game da tsatsa a kan sabbin filayen zinc baƙar fata bayan taro saboda an lalata Layer ɗin chromate ta hanyar amfani da hannaye ko kayan aiki kafin shigarwa.
Substrate yana da mahimmanci. Gilashin fil ɗin da aka yi daga ƙananan ƙarfe na carbon tare da ɗaya daga matsayi mafi girma kamar 1045 ko ma bakin zai sami sakamako daban-daban da zarar lalata ta fara. Tushen zinc fata ne kawai. Idan ainihin ya kasance mai rauni ko mai saurin lalacewa na ciki, gazawar plating shine farkon matsalar. Ba za ku iya yin faranti a kan sandar inganci mara kyau ba kuma kuyi tsammanin tsawon rai.
Gudanar da tsari shine komai. Na tuna samo wasu nau'i-nau'i na M6 black zinc dowel fil daga mai sayarwa na gida don taron cikin gida mara mahimmanci. Sun yi kyau. Amma a cikin watanni shida a cikin wani yanayi mai ɗanɗano mai ɗanɗano, farin lalata (zinc oxide) ya fara fure ta cikin baƙar fata. Batun? Yiwuwar rashin isassun tsaftacewa ko kurkure kafin a sanyawa, barin gurɓatattun abubuwa waɗanda ke ƙara lalatar da ke ƙarƙashin fim ɗin. Bak'in gamawa ya 6oye rashin shiri har lokacin yayi yawa.
Don na cikin gida, mahalli masu sarrafawa — tunanin kayan ofis, taron injina na ciki, tsarin adana busassun bushe-bushe da aka yi amfani da shi na baƙar fata na tutiya sau da yawa yana dawwama sosai. Yana ƙin tabon sawun yatsa kuma yana ba da kyan gani, kamanni. Juriya na lalata a nan ya fi game da hana ɓarna fiye da yaƙi da abubuwa masu tayar da hankali. A cikin waɗannan lokuta, karko yana da girma.
Matsar da shi waje ko cikin yanayi mai ɗanɗano, kuma labarin ya canza. Ko da zafi mai laushi tare da yanayin zafi zai iya zama matsala. Na shiga cikin wani aiki don maƙallan alamar waje. Mun yi amfani da baƙar fata-plated fil don pivots. Sun yi kyau da farko, sun yi daidai da ƙawa, amma a wani birni da ke kusa da bakin teku, tsatsa ta fara bayyana a wuraren tuntuɓar a cikin watanni 18. Haɗin danshi, feshin gishiri na lokaci-lokaci, da gogayya sun yi ta cikin yaduddukan chromate da zinc. Mun koyi cewa ga kowane aikace-aikace mai ƙarfi ko amfani da waje, baƙar fata zinc kaɗai shine sasantawa akan dorewa.
Kasancewar sauran abubuwan abubuwa. A cikin majalissar da ke da aluminium ko wasu karafa masu kama da juna, lalata galvanic na iya cinyewa a zub da jini da sauri. Na tuna gazawa a cikin katangar lantarki inda aka yi amfani da baƙar fata na zinc don amintaccen mashin bas ɗin jan ƙarfe. Ma'auratan galvanic sun haɓaka lalata, yana haifar da kamawa da mafarki mai ban tsoro yayin kulawa. Baƙar fata ya sanya binciken farko ya zama mai tsabta, yana rufe abin da ke gudana a ƙasa har sai da ainihin walƙiya a wurin.
Me yasa ba kawai amfani da bakin karfe ba? Farashin da galling, sau da yawa. Amma don dorewa a cikin yanayi mai tsauri, bakin ko zafi-tsoma galvanized fil suna cikin wani gasar daban. Black zinc zabi ne mai kyau da matsakaicin kariya. Mu wani lokacin spec baki tutiya-plated fil daga masana'anta kamar Hannun Zetai Mretering co., Ltd. don injuna na cikin gida inda ake buƙatar kamannin baƙin ƙarfe oxide don ƙarancin haske a kan firam ɗin duhu, amma muna tabbatar da an rufe yanayin kuma an mai da shi. Wurin su a Yongnian, cibiyar samar da fastener, yana nufin sun ga kowane aikace-aikace da yanayin gazawa, wanda galibi ke fassara zuwa ƙarin ilimin aiwatarwa.
Tashin hankali shine babban abokin gaba. Duk sandar fil da ke aiki azaman hinge, pivot, ko haɗin kai zai ga lalacewa. Baƙar fata chromate da zinc yadudduka suna da kauri microns. Ƙarƙashin radial ko zamewar lodi, suna yin shuru da sauri. Da zarar an tafi, za ku sami suturar ƙarfe-kan-karfe ko haɓakar lalata a cikin tsagi da aka sawa. Na tarwatsa hanyoyin inda tsakiyar ramin fil ɗin ya kasance mai haske, ƙarfe mai gogewa, yayin da ƙarshen har yanzu yana da murfin baƙar fata. Dorewa ba na kayan ba ne, amma na aikace-aikacen.
Ƙarshen zaren (idan an zartar) wani wuri ne mai rauni. Sanya a kan zaren zai iya shafar alaƙar tashin hankali kuma ana yanke shi cikin sauƙi yayin shigarwa. Zaren bakin kafada baƙar fata da aka ɗora da tutiya sau da yawa yakan fara lalacewa saboda platin ɗin yana lalacewa lokacin da aka murƙushe shi. Dalla-dalla ne sau da yawa ba a kula da shi a lokacin ƙayyadaddun bayanai.
Haɗaɗɗen hydrogen shine kisa shiru, musamman ga ƙarfe mai ƙarfi. Matakin tsaftace acid kafin saka zinc zai iya shigar da hydrogen a cikin karfe, wanda zai haifar da jinkiri, karaya a ƙarƙashin kaya. Wannan ba batun lalacewa bane amma gazawar dorewa mai bala'i. Mashahuran masana'antun, kamar wanda yake a https://www.zitaifaseners.com, zai sami tsarin yin burodi don sauƙaƙa wannan hydrogen. Amma ba duka suke yi ba, musamman tare da batches masu rahusa. Tambaya ce da za ku yi.
Kada a ƙayyade baƙar fata zinc don dorewa kadai. Ƙayyade shi don bayyanar tare da gefen juriya na lalata, sannan ƙira don kare shi. Yi amfani da shi a tsaye, bushe, ko aikace-aikace masu mai. Idan fil ɗin zai jujjuya ko zamewa, shirya don bushing ko tabbatar da cewa yana da mai a kai a kai. Fim ɗin mai yana ƙara ƙirar kariya ta rashin plating.
Duba gamawa bayan an karɓa. Kyakkyawan platin zinc ɗin baƙar fata yakamata ya zama iri ɗaya, madaidaici, kuma ba tare da tabo ko ragowar foda ba. Shafa shi da kyar da busasshiyar farin kyalle. Idan ragowar baƙar fata ya fito, ba a rufe murfin chromate da kyau kuma zai ba da ƙarancin kariya. Na ƙi jigilar kayayyaki don wannan gwaji mai sauƙi.
Yi la'akari da jiyya bayan-plating. Don ƙarin aikace-aikace masu buƙata, kakin zuma ko tsoma mai bayan plating na iya haɓaka juriya ga lalata ta hanyar rufe ramukan ƙananan ramuka a cikin Layer chromate. Mataki ne mai sauƙi, mai ƙarancin farashi wanda yawancin masu samar da kayayyaki ke bayarwa amma ba koyaushe ba ne.
Don siyan girma daga babban tushen samarwa, tsabta a cikin odar siyayya shine maɓalli. Maimakon zinc baki kawai, saka ma'auni (misali, ASTM B633, Fe/Zn 5) da sa'o'in gwajin gishiri da ake buƙata (misali, awanni 96 zuwa fari lalata). Wannan yana tilasta tattaunawa mai inganci. Kamfanin kamar Handan Zitai Fastener, wanda yake a cikin mafi girman ma'auni na sassan China, an tsara shi don waɗannan buƙatun daidai. Kusancinsu ga manyan hanyoyin dabaru yana nufin ana amfani da su don jigilar kaya zuwa yanayi daban-daban, wanda ke buƙatar ƙarin sarrafa tsari.
Don haka, shin baƙar fata da aka ɗora da tutiya mai ɗorewa? Yana iya zama, amma ba a duniya ba. Dorewarta yana da sharadi kuma sau da yawa ƙasa da bege mara fahimta. Ƙarshe ne wanda ke cinikin mafi girman kariyar lalata don ƙayyadaddun ƙaya mai ƙarancin haske. A dama, wurin da aka keɓe, zai wuce injin. A cikin kuskure, fallasa, ko aikace-aikace mai ƙarfi, zai zama bayanin kula.
ƙwararrun ƙwararrun ƙwararru ita ce ganin ta a matsayin wani sashi a cikin tsarin. Ƙarfin fil ɗin ba kawai game da plating ba; game da gidaje, kaya, yanayi, da tsarin kulawa. Na daina kula da shi azaman ƙarewar lalata mai sauƙi kuma na fara kula da shi azaman kayan kwalliya tare da matsakaicin fa'idodin kariya. Wannan canjin tunani yana haifar da ƙarin ƙira masu dogaro da ƙarancin kira.
Lokacin da kake buƙatar wannan matte-baƙar fata, yi amfani da shi. Amma injiniya a kusa da iyakokinsa. Wani lokaci, mafita mafi ɗorewa shine a saka fil ɗin bakin karfe kuma a sanya shi baki-oxided, ko a yi amfani da fil ɗin ƙarfe na carbon tare da kauri, mai ƙarfi mai ƙarfi kamar gashin foda don sassan da aka fallasa. The Black Zinc-LATSA yana da wurinsa — takamaiman wuri, fahimta, kuma a tsanake zaɓaɓɓen wuri. An ƙayyade ƙarfin sa na gaskiya ba a masana'anta ba, amma akan allon zane da kuma a yanayin aiki na ƙarshe.