Yadda za a weld karfe mai laushi?
Low carbon karfe yana da low carbon abun ciki da kuma kyau plasticity, kuma za a iya shirya cikin daban-daban siffofin gidajen abinci da kuma aka gyara. A cikin tsarin walda, ba abu mai sauƙi ba ne don samar da tsari mai tauri, kuma yanayin samar da fasa kuma ƙananan ne. A lokaci guda kuma, ba shi da sauƙi don samar da pores. Ita ce mafi kyawun kayan walda.
Welding low carbon karfe ta gas waldi, manual baka waldi, submerged baka atomatik waldi, gas garkuwa waldi da sauran hanyoyin iya samun mai kyau welded gidajen abinci. Kada ku yi zafi na dogon lokaci lokacin amfani da walda na gas, in ba haka ba hatsi a cikin yankin da ke fama da zafi zai iya zama mafi girma. Lokacin da haɗin gwiwa yana da ƙarfi sosai kuma yanayin zafin jiki ya yi ƙasa, aikin aikin ya kamata a preheated zuwa 100 ~ 150 ° C don guje wa fasa.
Yadda za a weld matsakaici carbon karfe?
Saboda yawan sinadarin carbon da ke cikin matsakaicin ƙarfe na carbon, kabu ɗin walda da yankin da zafinsa ya shafa suna fuskantar ƙaƙƙarfan sifofi kuma suna haifar da tsagewa, don haka ya kamata a fara zafi da shi zuwa kusan 300 ° C kafin waldawa, kuma ana buƙatar jinkirin sanyaya bayan walda. Ana iya walda shi ta hanyar waldawar iskar gas, walda ta hannu da walda mai kariya da iskar gas. Ya kamata kayan walda su yi amfani da junction 506, junction 507 da sauran na'urorin lantarki tare da mafi kyawun juriya.
Yadda za a weld aluminum da aluminum gami?
Aluminum da aluminum gami suna da haɗari musamman don samar da fina-finai na oxide tare da manyan ƙayyadaddun ƙayyadaddun bayanai da manyan wuraren narkewa a lokacin walda. Wannan fim ɗin oxide kuma yana iya ɗaukar ruwa mai yawa, don haka lahani irin su haɗaɗɗen slag, ƙarancin haɗuwa, da pores suna iya faruwa yayin walda. Bugu da ƙari, aluminium alloys Har ila yau suna da haɗari ga fashewar thermal. Ana iya yin walda aluminum da aluminum gami ta hanyar waldawar gas ko waldawar baka ta hannu. Duk da haka, zafi na walda gas ba a mayar da hankali ba, kuma zafi canja wurin aluminum ne da sauri, don haka samar da yadda ya dace ne low, da kuma nakasawa na workpiece ne babba, don haka shi ne da wuya a yi amfani da shi sai na bakin ciki faranti. A halin yanzu, ana amfani da hanyoyi masu yawa na AC argon arc welding don walda aluminum da aluminum gami, saboda yana da zafi mai zafi, kyawawan ginshiƙan weld, ƙananan nakasawa, kariya ta argon, kuma yana iya hana ƙaddamar da shinge da pores. Idan ana amfani da walda ta hannu don walda aluminum, ya dace da faranti mai kauri sama da 4mm.
Matsayin sandunan walda da aka yi amfani da su sune aluminum 109, aluminum 209 da aluminum 309. Dukansu na'urorin lantarki ne na tushen gishiri tare da rashin kwanciyar hankali na arc, suna buƙatar wutar lantarki ta DC.
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Yadda za a weld titanium da titanium gami?
Titanium abu ne mai aiki sosai. A cikin ruwa mai ƙarfi da ƙarfi sama da 600 ° C, yana da sauƙin amsawa tare da iskar oxygen, nitrogen, hydrogen da sauran iskar gas don samar da ƙazanta masu cutarwa da embrittle titanium. Saboda haka, iskar oxygen-acetylene gas waldi, manual baka waldi ko sauran gas kariya waldi ba za a iya amfani da titanium da titanium gami, amma kawai argon baka waldi, injin lantarki waldi da lamba waldi za a iya amfani da.
Bakin ciki faranti da ke ƙasa 3mm ana welded da argon baka waldi, wutar lantarki yana da alaƙa kai tsaye tare da halin yanzu kai tsaye, tsabtar iskar gas ɗin argon ba ta ƙasa da 99.98% ba, bututun bututun ya kamata ya kasance kusa da wurin aikin, halin yanzu ya kamata ya zama waldi. kananan, da waldi gudun ya zama da sauri. Inganta tsarin crystal kuma kawar da damuwa walda.
Yadda za a weld jan karfe da kuma tagulla gami?
Walda na tagulla da tagulla yana da matsaloli da yawa, saboda yanayin zafinsu yana da kyau musamman, don haka yana da sauƙin haifar da lahani irin su rashin ƙarfi da rashin daidaituwa. Bayan waldi, da workpiece za su sami babban nakasawa, da weld da Fusion zone kuma suna yiwuwa ga fasa da kuma babban adadin pores. Kayan aikin injiniya na haɗin gwiwa, musamman ma filastik da tauri sun fi ƙasa da na ƙarfe na tushe. Ana iya amfani da waldawar iskar gas don walda jan jan ƙarfe, amma aikin ya yi ƙasa kaɗan, nakasar tana da girma, kuma tana buƙatar a rigaya ta zuwa sama da 400 ° C, kuma yanayin aiki ba shi da kyau. Walda na hannun hannu na iya amfani da jan ƙarfe 107 ko jan ƙarfe 227 na lantarki, wutar lantarki tana jujjuyawa tare da DC, ana kiyaye baka a matsayin ƙasa kamar yadda zai yiwu, kuma ana amfani da hanyar tsiri mai jujjuya madaidaiciya don haɓaka siffar walda. Guduma da walda bayan walda don inganta ingancin walda. Idan an yi amfani da walda na argon tungsten, za a iya samun haɗin gwiwar welded masu inganci kuma ana iya rage nakasar welding. Ana amfani da waya 201 don walda waya. Idan an yi amfani da jan jan waya T2, ya kamata a yi amfani da juzu'i 301. Wutar wutar lantarki tana ɗaukar haɗin haɗin kai na DC. A workpiece da waldi waya ya kamata a a hankali tsabtace a lokacin waldi don rage pores da slag inclusions. Ya kamata a yi amfani da high halin yanzu da kuma babban gudun lokacin walda.
Ana amfani da walda ta iskar gas don walda tagulla, kuma wayar walda zata iya zama waya 221, waya 222 ko waya 224 da dai sauransu.Wadannan wayoyi na dauke da siliki, tin, iron da sauran abubuwan da zasu iya rage konawar zinc a tafkin narkakkar. . Saboda ƙarancin zafin walda na iskar gas, ana iya rage ƙona asarar zinc a cikin tagulla; Ana amfani da harshen wuta kaɗan don rufe saman tafkin narkakkar tare da Layer na fim ɗin zinc oxide, wanda zai iya rage fitar da zinc. Bugu da ƙari, ana iya yin walda ta tagulla ta hanyar waldawar baka ta hannu da waldawar argon tungsten.
Menene halaye na talakawa low gami karfe waldi?
Ƙarfe mai ƙarancin ƙarfe na yau da kullun shine abin da aka saba amfani da shi don haifuwa. Babban fasalin irin wannan nau'in walda na karfe shine cewa yankin da ke fama da zafi na haɗin gwiwa yana da mafi girman hali don taurare, kuma abun ciki na hydrogen zai haifar da fashewar sanyi a cikin haɗin gwiwa. Wannan hali zuwa hardening da sanyi fatattaka yana ƙaruwa yayin da ƙarfin sa na talakawa low gami karfe karuwa.
Menene hanyar walda na karfe 16 na manganese?
16 Manganese karfe waldi ya kamata a yi amfani da junction 506 ko junction 507 da sauran asali lantarki, DC reverse dangane. Lokacin da yanayin tsagewar tsarin ba ya girma, ana iya amfani da sandunan walda acid kamar junction 502 ko junction 503, kuma tsarin walda yana kama da na ƙananan ƙarfe; lokacin da walda ɗin ya kasance mai ƙarfi kuma yanayin zafin jiki yana ƙasa da -10 ° C, ana buƙatar dumama kafin walda. Ana iya samun sakamako mai gamsarwa ta hanyar waldawar baka ta hannu, waldawar baka mai nutsewa ko waldawar lantarki.
Menene hanyar walda na No. 15 manganese vanadium da No. 15 manganese titanium karfe?
Dukansu 15 manganese vanadium da 15 manganese titanium suna cikin 40 kg talakawa low gami karfe. Ƙarfin ƙarfin ƙarfe yana inganta saboda ƙarin wasu vanadium ko titanium; amma su walda, walda kayan aiki da walda tsarin yi kama da na 16 manganese karfe. Kwatancen yayi kama. Lokacin da aka yi amfani da walda ta atomatik na arc, wayar walda zata iya zama babban manganese 08, 08 manganese 2 silicon, da juyi 431, juyi 350 ko juzu'i 250 na iya samun sakamako mai gamsarwa.
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Menene hanyar walda na No. 18 manganese molybdenum niobium karfe?
No. 18 manganese-molybdenum-niobium karfe nasa ne 50 kg high-ƙarfi talakawa low-gawa karfe, wanda aka sau da yawa amfani a yi na da muhimmanci waldi kayayyakin kamar high-matsi tasoshin da tukunyar jirgi ganguna. Saboda ƙarfinsa mai girma da kuma babban yanayin taurinsa, yakamata a ɗauki matakan dumama gida yayin waldawar tabo. Kula da bushewa da lantarki da tsaftace tsagi don hana fashewar sanyi ta hanyar hydrogen. Waldawar baka ta hannu tana amfani da junction 607 da sauran na'urorin lantarki; Ƙarƙashin wutar lantarki ta atomatik yana amfani da wayar walda tare da babban manganese 08 da molybdenum, kuma ana iya haɗa shi da juyi 250 ko juzu'i 350.
Lokacin aikawa: Juni-02-2023
