Ukuze kukhiqizwe izinsimbi zokubopha ngezikulufo, ukwelapha okungaphezulu kuyinqubo engenakugwemeka, abathengisi abaningi ekubuzeni mayelana nezixhumi zokubopha isikulufu, indlela yokwelashwa kwendawo, inethiwekhi evamile ngokolwazi olufingqiwe olumayelana nobuso bezinsimbi zokubopha isikulufa izindlela ezivamile zokucubungula kunezinhlobo eziyisishiyagalombili. amafomu, afana nalawa: amnyama (aluhlaza okwesibhakabhaka), i-phosphating, i-hot dip zinc, i-dacromet, i-galvanized kagesi, i-chrome plating, i-nickel ne-zinc ukukhulelwa. I-fastener screw surface treatment ngokusebenzisa indlela ethile yokwenza isendlalelo esisibekelayo phezu kwendawo yokusebenza, inhloso yaso ukwenza ubuso bomkhiqizo bube buhle, bube nomthelela wokunqanda ukugqwala.
Izindlela eziyisishagalombili zokwelashwa kwezikulufu zokubopha:
1, Okumnyama (okuluhlaza okwesibhakabhaka)
Izibophelelo ezizophathwa ngombala omnyama zafakwa kuthangi lesixazululo (145±5℃) le-sodium hydroxide (NaOH) kanye ne-sodium nitrite (NaNO2) yokushisisa oxidant kanye ne-oxidation, ingaphezulu lezibophelelo zensimbi zikhiqize ungqimba lukazibuthe i-Fe3O4 (Fe3O4 ) ifilimu, ukujiya ngokuvamile kungu-0.6 — 0.8μm okumnyama noma okuluhlaza okwesibhakabhaka. Kokubili izindinganiso ze-HG/20613-2009 kanye ne-HG/T20634-2009 zezixhumi ezisetshenziswa emikhunjini yokucindezela zidinga ukucutshungulwa okuluhlaza okwesibhakabhaka.
2, i-Phosphating
I-Phosphating iyinqubo yokwenza ifilimu yokuguqulwa kwamakhemikhali e-phosphate ngamakhemikhali kanye ne-electrochemical reaction. Ifilimu yokuguqula i-phosphate ibizwa ngokuthi ifilimu ye-phosphating. Inhloso ye-phosphating ukuhlinzeka ngokuvikelwa kwesisekelo sensimbi nokuvimbela insimbi ukuthi ingagqwali ngezinga elithile. Isetshenziswe njenge-primer ngaphambi kokudweba ukuthuthukisa ukunamathela nokuphikiswa kokugqwala kwefilimu kapende; Ingasetshenziselwa ukunciphisa ukungqubuzana kanye nokugcoba kunqubo yokusebenza ebandayo yensimbi. Izinga lobubanzi obukhulu obuphindwe kabili - izikhonkwane ezinezinhloko zemikhumbi yokucindezela zidinga i-phosphating.
3, Idiphu elishisayo elishisayo
Ukucwilisa i-zinc eshisayo ukucwilisa ilungu lensimbi ngemva kokususwa kokugqwala esixazululweni se-zinc esincibilikisiwe ekushiseni okuphezulu okungaba ngu-600℃, ukuze ubuso belungu lensimbi bunamathele ngongqimba lwezinc. Ugqinsi longqimba lwezinc akumele lube ngaphansi kuka-65μm ngepuleti elincane elingaphansi kuka-5mm, futhi lingabi ngaphansi kuka-86μm ngepuleti eliwugqinsi elingu-5mm nangaphezulu. Dlala kanjalo inhloso yokuvimbela ukugqwala.
4, umqulu
I-DACROMET iwukuhumusha nesifinyezo se-DACROMET, i-DACROMET, i-DACROMET rust, i-Dicron. Kuyi-anticorrosive coating entsha ene-zinc powder, i-aluminium powder, i-chromic acid namanzi akhishwe njengezinto eziyinhloko. Ayikho inkinga ye-hydrogen embrittlement, futhi ukuvumelana kwe-torque-preload kuhle kakhulu. Uma ukuvikelwa kwemvelo kwe-chromium eyi-hexavalent kungacatshangwa, empeleni kulungele kakhulu izixhumi ezinamandla ezinezidingo eziphezulu zokunqanda ukubola.
5, Ukufakwa kukagesi kagesi
I-Electrogalvanizing, eyaziwa nangokuthi i-galvanizing ebandayo embonini, inqubo yokusebenzisa i-electrolysis ukuze kwakheke iyunifomu, eminyene futhi ihlanganiswe kahle isendlalelo sensimbi noma i-alloy deposition ebusweni bomsebenzi. Uma kuqhathaniswa nezinye izinsimbi, i-zinc ishibhile futhi kulula ukuyigcoba insimbi, i-electroplating yokumelana nokugqwala enenani eliphansi, isetshenziswa kabanzi ukuvikela izingxenye zensimbi, ikakhulukazi ngokumelene nokugqwala komkhathi, futhi isetshenziselwa ukuhlobisa. Amasu okucwenga ahlanganisa i-slot plating (noma i-hang plating), i-roll plating (efanele izingxenye ezincane), i-blue plating, i-automatic plating kanye ne-continuous plating (efanele ucingo, i-strip).
I-Electrogalvanizing iwukunamathela okuvame ukusetshenziswa kakhulu kwezibophelelo zezentengiselwano. Ishibhile futhi ibukeka kangcono, futhi ingafika imnyama noma iluhlaza okotshani. Kodwa-ke, ukusebenza kwayo kwe-anticorrosion kujwayelekile, ukusebenza kwayo kwe-anticorrosion kuyingqimba ephansi kakhulu ye-zinc plating (coating). Ukuhlolwa okujwayelekile kwe-electrogalvanizing kasawoti okungathathi hlangothi kungakapheli amahora angama-72, kukhona futhi ukusetshenziswa kwe-sealant ekhethekile, okwenza ukuhlolwa kwesifutho sikasawoti okungathathi hlangothi kube amahora angaphezu kwama-200, kodwa intengo iyabiza, izikhathi ezi-5 ~ 8 kune-galvanizing evamile.
Izixhumi zezingxenye zesakhiwo ngokuvamile ziyizinki ezinombala nezinc emhlophe, njengamabhawudi ebanga lezentengiso angu-8.8.
6, i-Chrome plated
Ukufakwa kwe-Chrome ikakhulukazi ukuthuthukisa ubulukhuni bobuso, ubuhle, ukuvimbela ukugqwala. I-Chromium plating inokuqina okuhle kwamakhemikhali futhi ayiphenduli ku-alkali, i-sulfide, i-nitric acid kanye nama-asidi amaningi aphilayo, kodwa iyancibilika ku-hydrohalic acid (njenge-hydrochloric acid) kanye ne-hot sulfuric acid. I-Chromium iphakeme kunesiliva ne-nickel ngoba ayishintshi umbala futhi igcina ukubonakala kwayo isikhathi eside uma isetshenziswa.
7, i-Nickel Plating
I-Nickel plating ikwazi ukumelana nokuguga, i-anti-corrosion, i-anti-rust, ngokuvamile ugqinsi oluncane lwenqubo luhlukaniswe i-electroplating kanye nezigaba ezimbili zamakhemikhali.
8, ukufakwa kwe-zinc
Umgomo wobuchwepheshe bokuzinzisa impushana ukubeka i-ejenti ye-zincizing kanye nezingxenye zensimbi nezensimbi esithandweni sokushisa zincizing nokushisa cishe ku-400 ℃, futhi ama-athomu e-zinc asebenzayo azongena ezingxenyeni zensimbi nezensimbi kusukela ngaphandle kuya ngaphakathi. Ngesikhathi esifanayo, ama-athomu ensimbi asakazwa ngaphakathi ngaphandle, okwenza inhlanganisela ye-zinc-iron intermetallic, noma i-zinc coating, ebusweni bezingxenye zensimbi.
Ama-fasteners, naphezu kobukhulu bawo amancane, enza umsebenzi obaluleke kakhulu
Izinsimbi, naphezu kobukhulu bazo obuncane, zenza umsebenzi obaluleke kakhulu - ukuxhuma izakhi ezihlukahlukene zesakhiwo, izinto zokusebenza kanye nezinto zikagesi. Zisetshenziswa ekuphileni kwansuku zonke nasembonini, emsebenzini wokunakekela nowokwakha.Izinhlobonhlobo eziningi zokubopha ziyatholakala emakethe. ukuze ungenzi ukukhetha okungalungile, udinga ukwazi izinhlobonhlobo zale mikhiqizo nezici zayo eziyinhloko.
Ziningi izindlela zokuhlukanisa izinto zokubopha.Eyodwa yazo isebenzisa ubukhona bezintambo.Ngosizo lwayo, ungakha izixhumanisi ezikhiphekayo, ezidume kakhulu empilweni yansuku zonke nasezingosini zezimboni.Izixhumi ezidumile ezinentambo zihlanganisa:Isici ngasinye sinenjongo ekhethekile. Isibonelo, ku-Bulat-Metal ungabona izikhwebu zemisebenzi ehlukene.Amabhawodi e-Hex alungele ukuhlanganisa izakhiwo zensimbi nezingxenye zemishini, kanye nezikulufu ezizishayayo - zokulungisa umsebenzi. okubandakanya izakhi zokhuni.Ububanzi obusebenzayo be-stent bunquma ukuma kwayo, usayizi, impahla kanye neminye imingcele.Izikulufu zokhuni nensimbi zihlukile ngokubukeka - okokuqala kunomucu omncane futhi ukuchezuka kukepisi.
Embonini yezokwakha, amabhawodi esakhiwo namantongomane asetshenziswa kakhulu ekukhiqizeni amashede, amabhuloho, amadamu kanye nezitshalo zamandla.Eqinisweni, ukusetshenziswa kwamabhawodi esakhiwo namantongomane kwenziwa ngokushintshana ngezinsimbi zokushisela, okusho ukuthi amabhawodi esakhiwo noma ama-arc welding. usebenzisa ama-electrode, kuye ngesidingo sokujoyina i-steel plate kanye ne-beam.Indlela ngayinye yokuxhuma inezinzuzo zayo kanye nokubi.
Izikulufu zesakhiwo ezisetshenziswa ekwakheni ukuxhunywa kwensimbi zenziwe ngensimbi yezinga eliphezulu, ngokuvamile ibanga 10.9.Ibanga 10.9 lisho ukuthi ukuminyana kwamandla okuqinile kwesikulufu sesakhiwo cishe ku-1040 N/mm2, futhi singamelana nokufika ku-90% wengqikithi yengcindezi. isetshenziswa kumzimba oyisikulufa endaweni enwebekayo ngaphandle kokushintshashintsha unomphela.Uma kuqhathaniswa nensimbi engu-4.8, insimbi engu-5.6, insimbi eyomile engu-8.8, izikulufu zesakhiwo zinamandla aphezulu okuqina futhi zinokwelashwa kokushisa okuyinkimbinkimbi ekukhiqizeni.
Isikhathi sokuthumela: Aug-20-2022