Hankali don walda na bakin karfe mai daddare

Bakin karfe mai ɗaure farantin karfe ya ƙunshi nau'ikan farantin karfe iri biyu, gami da ɗorawa (bakin ƙarfe) da kuma matattarar tushe (ƙarfe ƙarfe, ƙaramin ƙarfe mai ƙyalli). Tunda akwai kayan tushe guda biyu na karafa na lu'u lu'u-lu'u da kuma austenitic karfe yayin walda bakin karfe, waldi na farantin karfe yana da walda na karfe iri-iri. Sabili da haka, ya kamata a ɗauki matakan aiwatarwa daidai yayin aikin walda don ba kawai haɗuwa da buƙatun ƙarfi na tsarin walda na tushen layin ba, amma kuma tabbatar da juriyar lalata lafin. Idan aikin bai dace ba, zai haifar da sakamako mara kyau. Takamaiman abubuwan kiyayewa yayin walda sune kamar haka:

Color Bakin Karfe Sheet

1, irin nau'in walda ba za'a iya amfani dashi don walda kayan bakin karfe ba. Don kayan haɗin walda na baƙin ƙarfe, ya zama dole don saduwa da buƙatun ƙarfi na tsarin walda na sashin tushe da kuma tabbatar da ƙwarin lalata layin. Sabili da haka, walda na baƙin ƙarfe mai ɗaure yana da keɓaɓɓe. Ya kamata a sanya walda na tushe da kuma ginshikin silsila tare da karafan karfe da kuma ƙananan wutan lantarki wanda ya dace da kayan layin tushe, kamar E4303, E4315, E5003, E5015, da sauransu; don suturar sutura, yakamata a guji ƙaruwar ƙarfe. Saboda karuwar carbon na walda zai matukar rage karfin juriya na abubuwan bakin karfe. Sabili da haka, walda na ƙwanƙwasawa da ƙwanƙwasa ya kamata ya zaɓi wutan lantarki daidai da kayan ɗamarar, kamar A132 / A137, da sauransu; waldi na canjin canjin a mahaɗar sashin layin da mannewa ya kamata ya rage tasirin narkewar ƙarfen ƙarfe akan abun ƙarfe na ƙarfe mai ƙyalli kuma ya ƙara aikin walda ingonewar gami da haɗin gami. Ana iya amfani da nau'in wayoyi irin na Cr25Ni13 ko kuma Cr23Ni12Mo2 mai dauke da babban chromium da abun ciki na nickel, kamar su A302 / A307.

2. Don walda na farantin karfe mai yadi mai bakin karfe, gefen da bai kamata ya wuce darajar da aka bari ba (1mm). Bakin farantin karfe waɗanda aka ɗaura galibi an haɗa su da tushe na tushe da kuma ɗakunan kwanciya tare da kauri daga mm 1.5 kawai zuwa 6.0. La'akari da cewa baya ga gamsarwa na kayan aikin injiniya na abubuwan haɗin, abubuwan haɗin baƙin ƙarfe kuma suna buƙatar tabbatar da ƙwarin lalata lafin da ke cikin hulɗa da matsakaicin matsakaici. Sabili da haka, yayin haɗa walda, ana buƙatar daidaita daidaito mai ɗorawa a matsayin tushe, kuma gefen layin yadin bai wuce 1mm ba. Wannan yana da mahimmanci musamman yayin haɗa faranti na baƙin ƙarfe mai ɗamara tare da kauri daban-daban. Idan rashin daidaituwa tsakanin masu ɗaurin yalwa ya yi yawa, walda a tushen layin tushe na iya narkar da wasu baƙin ƙarfe, wanda ke ƙara abubuwan haɗin gwal na ƙarfe na waldi a tushen layin tushe, haifar da walda ya zama mai kauri da murɗawa, kuma a lokaci guda, baƙin ƙarfe a mahaɗin butt ɗin yana da haske. Kauri zai rage rayuwar rayuwa, ya shafi ingancin walda na kayan da aka saka, kuma yana da wahala a tabbatar da juriyar lalata tsarin walda.

3, an haramta shi kwata-kwata walda na canji ko walda mai walda tare da kayan walda na layin waldi: a lokaci guda, hana hana walda kayan aiki da yin amfani da su a kan dinbin walda na layin canjin waldi da tushe Layer.

4. Lokacin da ake amfani da kayan walda na tushe don walda Layer din a gefen sakawa, ya kamata a sanya maganin alli a cikin 150mm a bangarorin biyu na tsagi don kare shi don hana kayan kwalliyar kwalliya daga mannewa da bakin karfe yayin aikin walda. Fim ɗin oxide a farfajiyar yana shafar juriya ta lalata baƙin ƙarfe. Dole ne a tsabtace ƙananan sassan da suka ɗora a hankali.

5. Tushen walda na tushe Layer rungumi dabi'ar walda baka waldi. Domin rage dilution na abubuwan gami a ƙarƙashin yanayin tabbatar shigar azzakari cikin farji, ya kamata a rage girman rabo. A wannan lokacin, ana iya amfani da ƙaramar walda da saurin saurin walda. Bada izinin lilo gefe. Waldi na kayan yadin ya kamata ya zaɓi ƙaramin shigar da walda, don lokacin zama a cikin yanayin zafin jiki mai haɗari (450 ~ 850 ℃) yanki ya yi gajarta sosai. Bayan walda, za a iya amfani da ruwan sanyi don saurin sanyaya.

6, idan an sami karfen da ba shi da bakin karfe yana da nakasa kafin waldi, ba a yarda walda ta kasance ba. Dole ne a fara cire abin da aka fara, gyaran walda (watau walda mai rufewa), da walda bayan gyara.

7. Dole ne a yi amfani da kayan aiki na musamman don tsaftace shimfidar tushe da ɓangarorin biyu na ƙyallen. Dole ne layin tushe ya yi amfani da goge-goben waya na ƙarfe, kuma dole ne a yi amfani da goge goge bakin waya.


Post lokaci: Jan-06-2021