Electro-galvanized bolts: dorewa ga masana'antu? 

Kuna jin 'electro-galvanized' kuma kuna tunanin 'kariyar lalata,' watakila ma 'kore' saboda zinc ne, daidai? A nan ne zance yakan fara, kuma sau da yawa yana ƙarewa. Amma ka tambayi duk wanda dole ne ya saka kayan haɗi don tsarin waje wanda ke ganin gishirin hanya, ko kuma wani kayan aiki a cikin ɗakin ajiya mai laushi, kuma ainihin magana ta fara. Shin electro-galvanizing da gaske zaɓi ne mai ɗorewa don aikace-aikacen masana'antu, ko kuwa muna manne wa saba, tsari mai arha yayin yin watsi da farashi na rayuwa? Na shafe shekaru ina samowa da gwada waɗannan abubuwan, kuma amsar ba ta cikin takamaiman takarda. Yana cikin tsatsa a kan katako bayan watanni 18, farashin maye gurbin kusoshi dubu a kan tsarin jigilar kayayyaki, da kuma shuruwar canjin da wasu masu kaya ke yi.

Lalacewa da Haqiqanin Gaskiya

Bari mu bayyana a sarari: kusoshi na electro-galvanized suna da wurin su. Tsarin yana da sauƙi-zuwa zinc plating ta hanyar electrodeposition. Yana da tsada-tasiri don gudanar da babban girma. Don aikace-aikacen ciki, busassun busassun, ko kuma inda rufin ya fi game da bayyanar uniform da kariya mai laushi, suna aiki. Na ba da odar su da yawa daga wurare irin su gundumar Yongnian a cikin Hebei, cibiyar masana'anta. Wani kamfani a can, Hannun Zetai Mretering co., Ltd., tare da tushe dama ta manyan hanyoyin sufuri (duba rukunin yanar gizon su a https://www.zitaifaseners.com idan kuna son ma'anar ma'auni), za ku iya juya waɗannan ta wurin nauyin akwati. Sauƙaƙan ba zai iya musantawa ba.

Amma farkon binciken gaskiya shine kauri. Alamar murfin electro-galvanized na iya zama 5-8 microns. Wannan bakin ciki ne. Kusan kuna iya kashe shi da farce idan kun gwada. Kwatanta wannan zuwa galvanizing mai zafi, inda kuke kallon 50+ microns, kuma bambancin dorewa ba layi bane - yana da ma'ana. Na koyi wannan tun da wuri, ƙayyadaddun bolts na M12 masu amfani da lantarki don wasu tallafin tire na USB a cikin masana'anta mai laushi. A cikin shekaru biyu, mun sami farar tsatsa da wasu jajayen fari da fari a tushen zaren. Ba bala'i ba, amma ciwon kai na kulawa da ba mu tsara kasafin ba.

Tambayar dorewa ta fara ne a nan: idan samfurin ya gaza da sauri kuma yana buƙatar sauyawa da wuri, ajiyar albarkatun farko (ƙananan zinc, ƙarancin makamashi a cikin plating) ana watsi da sauri ta hanyar samarwa, jigilar kaya, da shigarwa na maye gurbinsa. Kuna cinikin ƙananan sawun carbon na gaba don yuwuwar mafi girman sawun zagayen rayuwa. Wannan lissafi ne da ba kasafai muke yi a kan shagon ba lokacin yin oda.

Farashin Boye: Ayyukan Lalata da Iyakokin Tsari

Inda electro-galvanizing da gaske ke nuna iyakarsa yana cikin kowane yanayi tare da chlorides, acid, ko daidaiton danshi. Rufin zinc yana da hadaya, wanda yake da kyau, amma yana da bakin ciki sosai yana raguwa da sauri. Na tuna wani aiki da ya ƙunshi haɗin haɗin gwiwa don shingen kayan aiki na bakin teku. Mun yi amfani da ASTM F1941 electro-galvanized fasteners, muna tunanin za su yi kyau. Gwargwadon gishiri ya ƙara lalata, kuma zinc ɗin ya ɓace a cikin tabo a cikin watanni, wanda ke haifar da lalata bimetallic tare da ƙananan ƙarfe. A classic, gazawar da za a iya kauce masa.

Wani batun da ba a manta da shi akai-akai shine embrittlement na hydrogen. Tsarin wutar lantarki na iya shigar da hydrogen cikin ƙarfe mai ƙarfi (Grade 8.8 da sama), yana sa shi gatsewa kuma mai saurin karyewa. Wannan ba haɗari ba ne na ka'idar. Na ga bolts suna karyewa yayin da ake yin juzu'i, kuma yayin da yin burodi zai iya sauƙaƙa da hydrogen, wani ƙarin mataki ne wanda ke ƙara farashi da rikitarwa, kuma ba koyaushe ake yin shi da dogaro akan farashi mai sauƙi ba, gudu mai girma. Don haka, kuna yuwuwar kasuwancin kariyar lalata don haɗarin amincin injina. Ba babban abu ba ne.

Sa'an nan kuma akwai batun rufe uniformity. Akan sassa masu rikitarwa kamar kusoshi tare da zaren zurfi, electrodeposition na iya zama rashin daidaituwa, yana barin tushen zaren-mafi mahimmancin damuwa-tare da ƙarancin kariya. Yana da ƙayyadaddun tsari na asali. Za ka iya saka chromate shafi canza launi (blue, rawaya, black oxide) don ƙarin wucewa, amma wannan yana ƙara ƙarin sinadarai zuwa sarkar tsari. Nan da nan, ƙwayar zinc mai sauƙi ba ta da sauƙi ko tsabta.

Auna koren a cikin Zinc

Magoya bayan sun nuna zinc a matsayin wani abu na halitta, wanda za'a iya sake yin amfani da shi. Gaskiya. Amma tsarin lantarki da kansa ba shi da kyau. Ruwan sharar gida daga baho ya ƙunshi zinc ions, acids, da sauran sinadarai. Maganin da ya dace ba za a iya sasantawa ba don bin muhalli. A cikin yankuna masu yawan masana'antu, kamar Yongnian, haɗin gwiwar kula da muhalli na ɗaruruwan shagunan plating shine ainihin ƙulla dorewa. Mai kawo kaya kamar Ziti Ftterner Yin aiki a ma'auni mai yiwuwa ya kasance a tsakiya, wuraren jiyya na zamani, amma wannan ba garantin duniya ba ne. An ɗaure dorewar kullin kai tsaye zuwa dorewar shagon plating.

Maimaituwa ƙari ne. A ƙarshen rayuwa, ana sake yin amfani da karfe, kuma simintin zinc na bakin ciki yana ɓacewa a cikin narkewa, amma ba gurɓatawa ba ne. Koyaya, wannan fa'idar ƙarshen rayuwa ta fi tursasawa ga sassan ƙarfe mai nauyi mai zafi-tsoma. Don ƙaramin kusoshi, sawun makamashin sake amfani da ƙarfe da kansa ya mamaye; gudunmawar shafi yana da iyaka. Babban lefa don dorewa shine tsawaita rayuwar sabis don jinkirta wancan taron sake yin amfani da shi muddin zai yiwu.

Don haka, ya fi kore, a ce, bakin karfe? Don ƙananan yanayin lalata, ƙila, akan tushen samar da makamashi mai tsafta (yin ƙarfe bakin ƙarfe yana da ƙarfi). Amma a cikin yanayi mai lalacewa, ƙwanƙwasa bakin karfe 304 ko 316 wanda ke ɗaukar shekaru 30 kusan tabbas ya fi ɗorewa fiye da maye gurbin kusoshi na electro-galvanized kowane shekaru 5-10, har ma da sake yin amfani da su. Lissafin yana canzawa lokacin da kake la'akari da jimlar rayuwar da aka shigar.

Canje-canje masu Aiki da Juyin Halittar Mai bayarwa

Masana'antar ba ta tsaya ba. Tattaunawar tana motsawa daga kawai faranti zuwa mai rufin aiki. Ina ganin ƙarin tambayoyi don galvanizing na inji (wanda ke guje wa haɓakar hydrogen) ko ma sabbin kayan kwalliyar fim na polymer na bakin ciki waɗanda ke ba da mafi kyawun juriya na lalata fiye da electro-zinc a kauri iri ɗaya. Mafi kyawun masu samar da kayayyaki suna daidaitawa.

Lokacin da kuke magana da wakilin tallace-tallace na fasaha a kafaffen masana'anta - kuma na sami waɗannan taɗi tare da mutane daga ayyuka kamar na a Handan Zitai Fastener-Ba kawai suna tura lambobin kasida ba kuma. Suna tambaya game da muhalli: Shin a cikin gida yake? Wani fantsama na kimiyya? bakin teku? Za su iya nisantar da ku daga daidaitattun electro-galvanized zuwa ga mai kauri mai kauri-flake na zinc ko zaɓi mai zafi idan fifikon ku shine tsawon rai akan mafi ƙarancin farashi na farko. Wannan alama ce ta balaga. Matsayin su a babban tushen samarwa yana nufin suna ganin duk gazawar da nasara suna gudana ta hanyar, kuma wannan ra'ayi yana shiga cikin shawarwarin samfuran su.

Mun yi ƙoƙarin canza abokin ciniki zuwa nau'in Dacromet-flake (zinc-flake) mai rufi daga daidaitaccen lantarki-galvanized ɗaya don aikace-aikacen kayan aikin gona. Farashin ya kasance kusan 15-20% mafi girma. Shekaru biyu a cikin, kusoshi na electro-galvanized a cikin tsohuwar batch suna nuna tsatsa a kan hex, yayin da sababbi suka yi kama da sababbi. Abokin ciniki ya daina gunaguni game da farashin. Zaɓin mai ɗorewa ya cece su kuɗi a cikin dogon lokaci ta hanyar guje wa raguwa don maye gurbinsu. Wannan ita ce hujja ta zahiri.

To, Menene Hukuncin?

Kira electro-galvanized bolts mai dorewa ga masana'antu ya yi faɗin da'awa. Su ne a yanayi mai dorewa zabi. Don sarrafawa, yanayi mara kyau inda juriyar lalata na dogon lokaci ba ta da mahimmanci, suna ba da ma'auni mai kyau na farashi, aiki, da amfani da albarkatu. Ana haɓaka dorewarsu idan aka mutunta ƙayyadaddun iyakokin su.

Koyaya, don amfani da masana'antu gabaɗaya-wanda galibi yana nuna zafi mai canzawa, gurɓataccen ruwa, gurɓatacce, ko bayyanar sinadarai na kwatsam-dogaro da madaidaitan na'urorin lantarki-galvanized sau da yawa tattalin arziƙin ƙarya ne kuma hanya ce mara dorewa. Yana tura nauyin mahalli da tsadar kaya zuwa gaba ta hanyar gazawar da wuri.

Hanya mai ɗorewa ita ce ta dace da fasahar rufewa da ƙarfi zuwa yanayin sabis, koda kuwa yana da tsada sosai. Yana nufin yin tambayoyi masu wuyar gaske ga mai samar da ku, duba fiye da farashin kowane kilo, da la'akari da jimillar kuɗin mallakar. Masana'antu suna da mafi kyawun zaɓuɓɓuka a yanzu. Dorewa ba kawai game da kayan ba; game da yin zaɓin da ya dace don kada samfurin ya sake yin wani lokaci nan da nan. Kuma wani lokacin, abin da ya fi ɗorewa shine abin da ba za ku taɓa tunanin maye gurbinsa ba.