Karkace welded bututu (ssaw): Ana yin ta ne ta hanyar mirgina ƙaramin carbon carbon structural karfe ko ƙaramin sigar ƙarfe mai ƙarancin allo a cikin bututu mara kyau bisa ga wani kusurwar helical (wanda ake kira forming angle), sannan walda bututun kabu. Ana iya yin shi da kunkuntar tsiri karfe samar da manyan diamita karfe bututu. Ana bayyana ƙayyadaddun sa ta hanyar diamita na waje * kauri na bango. Thewelded bututuya kamata a tabbatar da cewa gwajin na'ura mai aiki da karfin ruwa, ƙarfin ƙarfi na weld da aikin lanƙwasa sanyi dole ne su dace da ka'idoji.

Amfanin bututun welded na karkace:

(1) Ana iya samar da bututun ƙarfe na diamita daban-daban ta hanyar amfani da ɗigon ƙarfe mai faɗi ɗaya, musamman ma bututun ƙarfe mai girman diamita ana iya samar da shi ta hanyar kunkuntar tsiri.
(2) A ƙarƙashin yanayin matsi guda ɗaya, damuwa na kabu mai walƙiya na karkace ya fi na madaidaiciyar kabu, wanda shine 75% zuwa 90% na madaidaiciyar bututun welded, don haka yana iya jure matsi mafi girma. Idan aka kwatanta da madaidaicin bututun welded tare da diamita na waje iri ɗaya, za a iya rage kaurin bango da kashi 10% zuwa 25% ƙarƙashin matsi iri ɗaya.
(3) Matsakaicin, haƙurin diamita na gaba ɗaya bai wuce 0.12% ba, jujjuyawar ta ƙasa da 1/2000, kuma elpticity yana ƙasa da 1%. Gabaɗaya, ana iya barin matakan girma da daidaitawa.
(4) Ana iya samar da ita gabaɗaya. A ka'ida, yana iya samar da bututun ƙarfe mara iyaka. Asarar yanke kai da wutsiya kaɗan ne, kuma ana iya ƙara ƙimar amfani da ƙarfe da 6% zuwa 8%.
(5) Idan aka kwatanta da bututun welded mai tsayi, yana da sassauƙa a cikin aiki kuma ya dace a canza iri da gyare-gyare.
(6) Kayan aiki yana da haske a cikin nauyi da ƙananan zuba jari na farko. Ana iya yin ta ta zama na’urar wayar hannu irin ta tirela don samar da bututu masu walda kai tsaye a wurin aikin da ake shimfida bututun.
(7) Yana da sauƙin gane injina da sarrafa kansa.

Lalacewar bututun welded na karkace shine:saboda karfen da aka nannade ana amfani da shi a matsayin danyen abu, akwai wani lankwasa jinjirin watan, kuma wurin walda yana cikin gefen gefen karfen tare da elasticity, don haka ba shi da sauƙi a daidaita wutar walda, wanda ke shafar walda. inganci. Don yin wannan, an saita haɗaɗɗen bin diddigin kabu da ingantattun kayan aikin dubawa.

Hanyar ci gaba na karkace welded bututu:

Saboda karuwar matsin lamba na bututun, yanayin sabis na daɗaɗɗa, da buƙatar tsawaita rayuwar bututun gwargwadon iko, babban jagorar ci gaban bututun welded shine:
(1) Samar da manyan bututu masu kauri mai kauri don haɓaka juriya;
(2) Zayyana da kuma samar da bututun ƙarfe tare da sababbin sifofi, irin su bututu mai karkace mai nau'i biyu, wato, welded bututu mai Layer biyu tare da tsiri rabin kauri na bangon bututu, wanda ba wai kawai yana da ƙarfi fiye da Layer Layer ba kawai. bututu na kauri ɗaya, amma kuma ba ya bayyana gazawar gazawa;
(3) Haɓaka sabbin nau'ikan ƙarfe, haɓaka matakin fasahar narkewa, da kuma ɗaukar injina mai sarrafa sarrafawa da fasahar jiyya na sharar gida don ci gaba da haɓaka ƙarfin, ƙarfi da walƙiya na jikin bututu;

(4) Ƙarfafa haɓaka bututu mai rufi, irin su rufe bangon ciki na bututu tare da Layer anti-corrosion Layer, wanda ba zai iya tsawaita rayuwar sabis kawai ba, amma kuma inganta santsi na bangon ciki, rage juriya na ruwa, rage kakin zuma. tarawa da datti, rage yawan bututun tsaftacewa, da rage farashin kulawa.

PS:Welded karfe bututusuna da ƙananan farashi da ingantaccen samarwa fiye dabututu maras kyau. Madaidaicin kabu welded bututu yana da tsari mai sauƙi na samarwa, ingantaccen samar da inganci, ƙarancin farashi da haɓaka haɓaka. Ƙarfin bututun welded mai karkace gabaɗaya ya fi na bututun mai waldadi kai tsaye.