A halin yanzu akwai manyan hanyoyi guda biyu don yin allurar a cikin yanayin kariya: daya shine busa yanayin kariya a gefen shaƙƙarfan shimfidar gefen, kuma ɗayan shine yanayin kariya.
Yadda za a zabi hanyoyin hurawa biyun ya kamata a yi la'akari dasu ta hanyoyi da yawa. A mafi yawan lokuta, ana bada shawara don amfani da tayar da yanayin kariya.
Ka'idar zabar hanyar busa ƙaho mai kariya
Abu na farko da ya zama bayyananne a bayyane shi ne cewa abin da ake kira 'oxidized ' na Weld ne kawai ajali mai sauƙi. A bayyane, wasu abubuwan haɗin a cikin walds da abubuwan da ke cikin iska suna amsa kimantawa don haifar da ingancin Weld don ya lalace. Mafi na kowa shine cewa abubuwa mafi aiki na ƙarfe na Weld Chely ana yinta da oxygen, nitrogen, da hydrogen a cikin iska a wani zazzabi.
Don hana weld daga kasancewa 'oxidized ' shine rage ko hana irin wannan kayan aiki daga tuntuɓar abubuwan da aka gyara na ƙarfe a cikin yanayin zafi sosai. Kamar yadda duk muka sani, babban zazzabi na iya sanya ayyukan kwayoyin halitta mafi aiki. Wannan babban yanayin zafin jiki ba kawai baƙin ƙarfe bane, amma kuma ya haɗa da tsawon lokacin daga lokacin da karfe mai narkewa ya narke zuwa wani zafin jiki.
Misali, a lokacin da waldium reay, lokacin da yawan zafin jiki ya kai 300 ℃ ko sama, titanium alloy iya hanzarta sha wakoran iska. Lokacin da yake sama da 450 ℃, zai hanzarta oxygen a cikin iska; Lokacin da ya kai 600 ℃ ko sama, zai iya hanzarta shan iska a cikin nitrogen. Sabili da haka, bayan titanium Alloy seloy seloy kuma an rage yawan zafin jiki a kalla 300 ℃, suna buƙatar samun kariya sosai ga welds, a sarari welds. 'Har ma da welds.'
Don mafi kyawun tabbatar da ingancin Weld a lokacin da Weld ya sanyaya zuwa takamaiman zafin jiki, Hangao Tech (Seko Injinary) ya kara kirkirar akwatin kariya a cikin sashen walwala na Babban madaidaicin walƙiyar Welding PIPER . Lokacin da waldi mai zurfi yana aiki, ana nuna yanayin kariya ta atomatik a cikin akwatin don kula da wani maida hankali a wani adadin da ya gabata don cimma manufar fitar da iska. Tunar da zazzage rami tare da tsawon kusan 30 cm kuma an ƙara hana zafin zafin rana daga oxidizing The Weld.
Daga bayanin da ke sama, zamu iya sanin cewa yin allurar iskar kariya ba wai kawai tana buƙatar kare yankin ba, saboda haka yawancinsu zasuyi amfani da gefen shinge na kariya. Domin idan aka kwatanta da hanyar kariya ta Coaxaily, wannan hanyar tana da kewayon kariya, musamman ga Weld ya tabbatar da gyara.
Koyaya, don aikace-aikacen injiniya, ba duk samfuran za a iya welded tare da gefen-ƙura ta busa gas mai kariya ba. Don wasu samfura na musamman, kawai hanyar coaxial hurarrun gas za a iya amfani da shi, kuma nau'in haɗin gwiwa na tsarin samfurin yana buƙatar zaɓaɓɓen tsarin samfuri.
Zabi na takamaiman tasirin kariya
1) Kai tsaye wald
Idan weld siffar samfurin madaidaiciya ce, zai iya zama babban haɗin gwiwa, lap hadin gwiwa, kusurwar kusurwar ciki ko gunkin hannu weld hadin gwiwa. Wannan nau'in samfurin ya fi dacewa a yi amfani da yanayin kariya ta gefe.
2) jirgin sama rufe Weld
Idan Weld siffar samfurin gabatar da wani sifar rufe kamar a da'irar lebur, da wani nau'i mai lebur, kuma haɗin gwiwa ne kamar yadda Butt olygon, da kuma haɗin gwiwa weld hadin gwiwa. Wannan nau'in samfurin yana ɗaukar hanyar iskar gas, kuma welding tasirin zai zama mafi kyau.
Nau'in yanayin kariya da kuma zabi hanyar bayarwa kai tsaye tana shafar inganci, inganci da kuma farashin samar da walda. Koyaya, la'akari da bambancin kayan walda, a zaɓi na nau'in isasshen hanyoyin da kuma abubuwan samar da kayan aiki, waldi mai walda, da kuma sakamako mai walwala. An bada shawara don gudanar da gwajin walda da farko kuma zaɓi hanyar isar da isar da isasshen isar da iskar isar da iskar ruwa don cimma sakamako mai kyau walda.
