Welding fasa a matsayin mafi cutarwa aji na waldi lahani, tsanani shafi yi da aminci da amincin welded Tsarin. A yau, za mu kai ku don gane ɗaya daga cikin nau'in fashewa - laminated cracks.
01
Abubuwan da ba na ƙarfe ba, farantin karfe a cikin tsarin mirgina zai zama wasu abubuwan da ba na ƙarfe ba a cikin ƙarfe, da dai sauransu (kamar sulfides, silicates) sun yi birgima a cikin band ɗin daidai da jagorancin mirgina, wanda ke haifar da sauye-sauye a cikin kayan aikin injiniya. karfe, inclusions ne welded Tsarin don samar da laminar tearing na m dalilai, amma kuma babban dalilin da samar da laminar tearing.
02
Matsakaicin matsi, saboda zagayowar thermal waldi, welded gidajen abinci za su bayyana ƙuntatawa ƙarfi, ga wani da aka ba birgima lokacin farin ciki farantin T-dimbin yawa da giciye gidajen abinci, a cikin waldi sigogi a karkashin yanayi na iri daya yanayi, akwai m matsananci danniya ko lankwasawa. Ƙarfin ƙuntatawa, lokacin da ya fi wannan darajar yana da wuyar haifar da tsagewar laminar.
03
Yaduwar hydrogen, hydrogen shine mai haɓaka fashewa, saboda yaduwar hydrogen kuma a haɗa shi cikin kwayar halitta ta yadda damuwa na gida ya ƙaru sosai, lokacin da hydrogen ya taru a cikin abubuwan da aka haɗa a ƙarshen haɓakar abubuwan da ba na ƙarfe ba da asarar ƙarfe. na mannewa, kuma za a cire kashe maƙwabtan haɗin gwiwa a cikin ƙarfe, a cikin ɓarna na halayen fashewar hydrogen.
04
Kayayyakin kayan iyaye, kodayake abubuwan da aka haɗa sune babban dalilin tsagewar laminar, amma kayan aikin injiniya na ƙarfe kuma yana da tasiri mai mahimmanci akan tsagewar laminar. Rashin ƙarancin ƙarfin filastik na ƙarfe, mafi kusantar haɓaka haɓakawa, wato, ƙarancin juriya ga tsagewar laminar.
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Don hana haɓakar ƙira na laminar, babban abu a cikin ƙira da tsarin gini shine don guje wa damuwa ta hanyar Z da damuwa, ƙayyadaddun matakan sune kamar haka:
1. Inganta ƙirar haɗin gwiwa don rage ƙayyadaddun ƙuntatawa. Ƙayyadaddun matakan kamar: za su jagoranci ƙarshen ƙarshen ƙarshen arc na wani tsayi, yana da tasirin hana fashewa; canza tsarin walda don canza yanayin damuwa na walƙiya, farantin arc na tsaye zuwa farantin arc kwance, canza matsayi na weld, don haka haɗin gwiwa na jimlar jagorancin ƙarfin da ke daidai da Layer na birgima, zai iya ingantawa sosai. aikin anti-laminar tearing.
2. Ɗauki hanyar walƙiya da ta dace, yin amfani da ƙananan hanyar waldawar hydrogen yana da kyau, irin su waldi mai garkuwa da iskar gas, yanayin walda mai sanyi mai ƙanƙanta yana da ƙanƙanta, yana da kyau don haɓaka aikin anti-laminar tearing.
3. Yin amfani da ƙananan ƙarfin da aka dace da kayan walƙiya, ƙarfe mai walƙiya yana da ƙarancin yawan amfanin ƙasa, babban ductility, mai sauƙi don yin kullun yana mai da hankali a cikin walda kuma rage yankin da ke fama da zafi na tushen kayan aiki, zai iya inganta aikin. na anti-laminar yaga.
4. A cikin yin amfani da fasahar walda, da yin amfani da surface surfacing kadaici Layer; walƙiya mai ma'ana, don haka rarraba nau'ikan ya daidaita, yana rage ƙaddamarwa.
5. Domin kiyaye tsagewar laminar da sanyin sanyi ke haifarwa, ya kamata mu yi iya ƙoƙarinmu mu ɗauki wasu matakai don hana sanyin fata, kamar inganta zafin jiki da sarrafa zafin jiki da sauransu. Bugu da ƙari, muna iya ɗaukar hanyoyin rage damuwa. kamar matsananciyar annealing.
6. Hakanan zamu iya sarrafa girman walda, ta amfani da ƙananan ƙafar walda, tsarin waldawar tashoshi da yawa.
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Lokacin aikawa: Agusta-24-2023
