A lokacin shigarwa da kwanciya na tsarin dandamali na galvanized karfe grating, sau da yawa ana cin karo da cewa bututu ko kayan aiki suna buƙatar wucewa ta cikinkarfe gratingdandamali a tsaye. Don ba da damar kayan aikin bututun su wuce ta dandamali cikin sauƙi, yawanci ya zama dole don tantance wurin da girman buɗaɗɗen yayin aikin ƙira, kuma masana'antar grating na ƙarfe za ta aiwatar da keɓancewa na musamman. Tsarin samarwa da aka keɓance na farko yana buƙatar sadarwa mai yawa da musayar bayanai tsakanin sashin ƙirar ƙarfe na ƙarfe da sashin ƙirar ƙirar ƙarfe, mai ba da kayan aiki da sashen bincike da taswira. Saboda yawancin abubuwan da ke da alaƙa da su, akwai rashin tabbas a cikin girman da matsayi na kayan aiki na yanzu. A lokacin shigarwa, sau da yawa yakan faru cewa ramukan da aka keɓe na musamman ba za su iya biyan bukatun shafin ba. Bisa la'akari da wannan halin da ake ciki, domin tabbatar da yawan amfanin ƙasa kudi na karfe gratings da kuma inganta zane da kuma samar da ya dace na karfe gratings, a halin yanzu zane da kuma samar da tsari, kullum magana, wasu ramukan tare da karami diamita da wuya a tantance ba musamman da kuma sarrafa, amma an maye gurbinsu da sakandare aiki hanyoyin kamar a kan-site bude, yankan, waldi, da nika bisa ga halin yanzu halin da ake ciki a lokacin da karfe grating.
A matsayin sabon abu, galvanized karfe grating ana ƙara yadu amfani. Galvanizing ya zama hanya mai mahimmanci na hana lalata don ƙwanƙwasa karfe, ba kawai saboda zinc na iya samar da kariya mai yawa a saman karfe ba, amma kuma saboda zinc yana da tasirin kariya na cathodic. Lokacin da ake jigilar galvanized karfe grating zuwa wurin, ana buƙatar sarrafa sakandare da walda a wasu lokuta don shigarwa. Kasancewar Layer na zinc yana kawo wasu matsaloli ga waldawar galvanized karfe grating.
Analysis na weldability na galvanized karfe gratings
Galvanized karfe gratings ana mai rufi da wani Layer na karfe zinc a saman karfe grating don hana lalata a saman karfe grating da kuma tsawaita rayuwar sabis. Fuskar galvanized karfe grating zai zama fure-fure. Dangane da hanyoyin samarwa da sarrafawa, ana iya raba shi zuwa nau'ikan masu zuwa: ① hot- tsoma galvanized sheet; ② electrogalvanized karfe takardar. A narkewa batu na tutiya ne 419 ℃ da tafasar batu ne 907 ℃, waxanda suke da nisa m fiye da narkewa batu na baƙin ƙarfe, 1500 ℃. Saboda haka, a lokacin aikin walda, galvanized Layer na farko ya narke kayan iyaye. Bayan sama bincike, da inji da kuma jiki Properties na galvanized takardar ne iri daya da na talakawa carbon karfe takardar. Bambanci kawai shine akwai suturar zinc akan saman galvanized karfe grating. A waldi tsari na galvanized karfe grating
(1) Walda na hannun hannu
Domin rage walda hayaki da hana tsara walda fasa da pores, da zinc Layer kusa da tsagi ya kamata a cire kafin waldi. Hanyar cirewa na iya zama gasa wuta ko fashewar yashi. Ka'idar zaɓin sandunan walda ita ce cewa kayan aikin injiniya na ƙarfe na weld yakamata su kasance kusa da kayan iyaye, kuma abun ciki na silicon a cikin sandar walda na yau da kullun yakamata a sarrafa shi ƙasa da 0.2%. Domin low-carbon karfe madubi tutiya karfe grating, J421/422 ko J423 waldi sanduna ya kamata a yi amfani da farko. Lokacin waldi, gwada amfani da ɗan gajeren baka kuma kar a karkatar da baka don hana faɗaɗa narkakken yanki na galvanized Layer, tabbatar da juriya na lalata aikin da rage yawan hayaki.
(2) Karfe baka walda
Yi amfani da walda mai kariya ta CO2 ko gauraye mai garkuwar walda kamar Ar+CO2, Ar+02 don waldawa. Gas mai kariya yana da tasiri mai mahimmanci akan abun ciki na Zn a cikin walda. Lokacin da aka yi amfani da CO2 mai tsabta ko CO2 + 02, abun ciki na Zn a cikin weld ya fi girma, yayin da aka yi amfani da Ar + CO2 ko Ar + 02, abun ciki na Zn a cikin weld yana da ƙasa. Yanzu yana da ɗan tasiri akan abun cikin Zn a cikin walda. Yayin da halin yanzu na walda ke ƙaruwa, abun cikin Zn a cikin walda yana raguwa kaɗan. Lokacin amfani da walda mai kariya na gas don walda galvanized karfe grating, hayakin walda ya fi girma fiye da na walda na hannu, don haka ya kamata a ba da kulawa ta musamman ga shaye-shaye. Abubuwan da ke shafar adadin da abun da ke tattare da hayaki sune galibi na yanzu da iskar kariya. Mafi girma na halin yanzu, ko mafi girma abun ciki na CO2 ko O2 a cikin iskar kariya, mafi girma da hayaƙin walda, da abun ciki na ZnO a cikin hayaƙin kuma yana ƙaruwa. Matsakaicin abun ciki na ZnO zai iya kaiwa kusan 70%. A ƙarƙashin ƙayyadaddun ƙayyadaddun walda, zurfin shigar ƙarfe na galvanized grating ya fi girma fiye da na grating ɗin ƙarfe mara galvanized.
Lokacin aikawa: Agusta-16-2024