Domin dunƙule fasteners samar, surface jiyya ne mai tsari tare da makawa, da yawa dillalai a tambaya game da dunƙule fasteners, hanyar da surface jiyya, da misali cibiyar sadarwa bisa ga taƙaitaccen bayani game da surface na dunƙule fasteners na kowa aiki hanyoyin akwai takwas iri. na siffofin, kamar: baki (blue), phosphating, zafi tsoma zinc, dacromet, Electric galvanized, Chrome plating, nickel da zinc impregnation.Matsakaicin yanayin dunƙule saman jiyya shine ta hanyar wata hanya don samar da murfin rufewa a saman kayan aikin, manufar sa shine sanya saman samfurin yayi kyau, tasirin lalata.
Hanyoyi takwas na jiyya na sama don sukurori:
1, Baki (blue)
Abubuwan da za a bi da su tare da baƙar fata an sanya su a cikin tanki mai warwarewa (145 ± 5 ℃) na sodium hydroxide (NaOH) da sodium nitrite (NaNO2) dumama da iskar shaka oxidant, saman fasinja na ƙarfe ya haifar da Layer na Magnetic Fe3O4 (Fe3O4). ) fim, kauri gabaɗaya 0.6 - 0.8μm baki ko shuɗi.Dukansu HG/20613-2009 da HG/T20634-2009 ka'idojin don fasteners amfani a matsa lamba tasoshin bukatar blue aiki.
2, Fitar
Phosphating wani tsari ne na samar da fim ɗin musayar sinadarai na phosphate ta hanyar sinadarai da halayen lantarki.Ana kiran fim ɗin phosphating fim ɗin.Manufar phosphating shine don samar da kariya ga karfen tushe da kuma hana ƙarfe daga lalacewa zuwa wani matsayi.An yi amfani da shi azaman firamare kafin zanen don inganta mannewa da juriya na lalata fim ɗin fenti;Ana iya amfani dashi don rage juzu'i da lubrication a cikin tsarin aikin sanyi na ƙarfe.Ma'auni don babban diamita ninki biyu - ƙwanƙwasa masu kai don tasoshin matsa lamba yana buƙatar phosphating.
3, Hot tsoma galvanizing
Hot tutiya tsoma shi ne don nutsad da karfe memba bayan tsatsa cire a cikin zinc bayani narke a high zafin jiki a game da 600 ℃, sabõda haka, surface na karfe memba yana a haɗe da tutiya Layer.Kauri daga cikin tutiya Layer kada ya zama kasa da 65μm ga bakin ciki farantin kasa da 5mm, kuma ba kasa da 86μm ga lokacin farin ciki farantin 5mm da sama.Don haka kunna manufar rigakafin lalata.
4, Dakar
DACROMET fassarar DACROMET ce kuma gajarta, DACROMET, DACROMET tsatsa, Dicron.Yana da wani sabon anticorrosive shafi tare da zinc foda, aluminum foda, chromic acid da deionized ruwa a matsayin babban aka gyara.Babu matsalar embrittlement hydrogen, kuma karfin juyi-preload daidaito yana da kyau sosai.Idan ba a yi la'akari da kariyar muhalli na hexavalent chromium ba, a zahiri ya fi dacewa da babban ƙarfin ƙarfi tare da buƙatun anticorrosion.
5, Electric galvanizing
Electrogalvanizing, kuma aka sani da sanyi galvanizing a cikin masana'antu, shi ne aiwatar da yin amfani da electrolysis samar da uniform, m da kuma da-hade karfe ko gami shaida Layer a saman da workpiece.Idan aka kwatanta da sauran karafa, zinc yana da arha kuma yana da sauƙin suturar ƙarfe, ƙarancin ƙima mai juriya na lantarki, ana amfani da shi sosai don kare sassa na ƙarfe, musamman daga lalatawar yanayi, kuma ana amfani dashi don ado.Dabarun gyare-gyare sun haɗa da plating (ko rataye plating), yi plating (dace da ƙananan sassa), blue plating, atomatik plating da ci gaba da plating (dace da waya, tsiri).
Electrogalvanizing shine rufin da aka fi amfani dashi don kayan haɗin kasuwanci.Yana da arha kuma mafi kyawun kyan gani, kuma yana iya zuwa cikin baki ko soja kore.Duk da haka, aikin anticorrosion na gabaɗaya, aikin anticorrosion shine mafi ƙanƙanta a Layer plating (shafi).Janar electrogalvanizing tsaka tsaki gwajin gishiri a cikin 72 hours, akwai kuma yin amfani da musamman sealant, yin tsaka tsaki gishiri gwajin fiye da 200 hours, amma farashin ne tsada, shi ne 5 ~ 8 sau na general galvanizing.
Fasteners don sassa na tsari gabaɗaya masu launin zinc da farin zinc, kamar ƙwanƙwasa darajar kasuwanci 8.8.
6, Chrome ya rufe
Chrome plating ne yafi inganta surface taurin, kyau, tsatsa rigakafin.Chromium plating yana da kyakkyawan kwanciyar hankali na sinadarai kuma baya amsawa a cikin alkali, sulfide, nitric acid da yawancin acid Organic, amma yana narkewa a cikin hydrohalic acid (kamar hydrochloric acid) da kuma sulfuric acid mai zafi.Chromium ya fi azurfa da nickel saboda baya canza launi kuma yana riƙe da hangen nesa na dogon lokaci idan aka yi amfani da shi.
7, nickel plating
Nikel plating yafi lalacewa, anti-lalata, anti-tsatsa, gabaɗaya bakin ciki kauri na tsari ya kasu kashi electroplating da sinadaran biyu Categories.
8, Zinc impregnation
Ka'idar fasahar zincizing foda ita ce sanya wakili na zincizing da baƙin ƙarfe da sassa na ƙarfe a cikin tanderun zincizing da zafi zuwa kusan 400 ℃, kuma atom ɗin zinc mai aiki za su kutsa cikin ƙarfe da ƙarfe daga waje zuwa ciki.A lokaci guda kuma, ƙwayoyin ƙarfe suna bazuwa daga ciki zuwa waje, wanda ke samar da sinadarin zinc-iron intermetallic fili, ko murfin zinc, a saman sassan ƙarfe.
Fasteners, duk da ƙananan girman su, suna yin aiki mai mahimmanci
Masu ɗaure, duk da ƙananan ƙananan su, suna yin aiki mai mahimmanci - haɗa nau'o'in kayan aiki daban-daban, kayan aiki da kayan aiki. Ana amfani da su a rayuwar yau da kullum da masana'antu, a cikin aikin kulawa da gine-gine. don kada ku yi zaɓi mara kyau, kuna buƙatar sanin nau'ikan waɗannan samfuran da manyan abubuwan su.
Akwai hanyoyi da yawa don rarraba fasteners.Daya daga cikinsu yana amfani da wanzuwar zaren.Tare da taimakonsa, za ku iya ƙirƙirar haɗin da za a iya cirewa, waɗanda suka shahara sosai a rayuwar yau da kullum da kuma wuraren masana'antu.Shahararrun zaren da aka yi amfani da su sun hada da: Kowane kashi yana da manufa ta musamman. Alal misali, a cikin Bulat-Metal za ku iya ganin ɗorawa don ayyuka daban-daban. Hex bolts suna da kyau don haɗuwa da tsarin ƙarfe da kayan aikin kayan aiki, da kuma kayan aiki na kai-da-kai - don aikin gyare-gyaren da ke tattare da abubuwa na katako. Yanayin aiki na stent ya ƙayyade ta. siffar, girman, kayan abu da sauran sigogi. Abubuwan da aka yi a kan katako da karfe suna da bambanci na gani - tsohon yana da zaren bakin ciki da kuma karkata daga hula.
A cikin masana'antar gine-gine, ana amfani da kusoshi da goro don samar da rumfuna, gadoji, madatsun ruwa da na'urorin samar da wutar lantarki.Haka zalika, ana yin amfani da kusoshi da goro ta hanyar walda karafa, wanda ke nufin ko dai bolts ko waldawar baka. ta yin amfani da na'urorin lantarki, dangane da buƙatar shiga farantin karfe da katako.Kowace hanyar haɗi yana da nasa amfani da rashin amfani.
Tsarin sukurori da aka yi amfani da su a cikin haɗin ginin katako ana yin su ne da ƙarfe mai daraja, yawanci aji 10.9.Grade 10.9 yana nufin cewa ƙarfin ƙarfi na tsarin dunƙule shine kusan 1040 N/mm2, kuma yana iya jure har zuwa 90% na jimlar damuwa. amfani da dunƙule jiki a cikin na roba yankin ba tare da m nakasawa.Idan aka kwatanta da 4.8 baƙin ƙarfe, 5.6 baƙin ƙarfe, 8.8 busasshen karfe, tsarin sukurori da mafi girma tensile ƙarfi da kuma samun mafi rikitarwa zafi magani a samar.
Lokacin aikawa: Agusta-20-2022