Idan kun taɓa ƙoƙarin yin walƙiya 7075 aluminum bar waldi, tabbas za ku san ba shi da sauƙi kamar yin aiki tare da sauran allunan aluminum. An san shi don ƙarfin ƙarfinsa da kyakkyawan juriya na gajiya, 7075 aluminum shine mashahurin zaɓi a cikin sararin samaniya, motoci, da aikace-aikacen injiniya mai girma. Duk da haka, musamman kaddarorinsa suma suna sa shi sanannen wahalar walda. Don haka ta yaya ƙwararru ke tabbatar da tsaftataccen walda mai ƙarfi akan wannan gami? Bari mu rushe mahimman tukwici da dabaru don ƙware kan tsarin.
Fahimtar Alloy Kafin Buga Arc
Makullin farko don samun nasara a ciki7075 aluminum barwaldi shine fahimtar abun da ke ciki na gami. 7075 shine aluminium-zinc alloy wanda za'a iya magance zafi wanda ke samun ƙarfinsa daga ƙari na zinc, magnesium, da jan karfe. Abin takaici, wannan kuma yana sa ya zama mai saurin fashewa yayin walda da bayan walda. Ba kamar 6061 ko wasu allunan abokantaka na weld ba, 7075 yana ƙoƙarin samar da mahaɗaɗɗen tsaka-tsakin tsaka-tsaki wanda zai iya lalata amincin weld.
Kafin ka ɗauki fitilar, yana da mahimmanci a yi la'akari da ko walda ita ce hanya mafi kyau ta haɗawa ko kuma idan wasu hanyoyi kamar haɗaɗɗen inji ko haɗin haɗin gwiwa na iya haifar da sakamako mafi kyau.
Shiri: Jarumin Nasarar Welding Ba Waka
Manyan waldi suna farawa tun kafin ainihin aikin walda. Shirye-shiryen da ya dace yana da mahimmanci lokacin aiki tare da 7075 aluminum. Fara ta hanyar tsaftace ƙasa sosai don cire duk wani yadudduka na oxide, mai, ko gurɓatawa. Yi amfani da goga na bakin karfe wanda aka keɓe don aluminium kawai kuma bi tare da acetone don raguwa.
Tsarin haɗin gwiwa yana da mahimmanci daidai. Saboda 7075 aluminum bar walda yana ɗauke da babban haɗarin fashewa, preheating ƙarfen zuwa tsakanin 300°F da 400°F (149°C zuwa 204°C) na iya taimakawa wajen rage raƙuman zafin jiki da kuma rage damar samun karyewar damuwa.
Madaidaicin Filler Yana Yin Duk Bambanci
Ofaya daga cikin yanke shawara mafi mahimmanci a cikin walda 7075 aluminum shine zaɓin ƙarfe mai cike da dacewa. Domin 7075 kanta ba ta iya walƙiya ta hanyar al'ada, yin amfani da filler wanda ya fi dacewa da walda zai iya cike gibin. Zaɓuɓɓuka kamar 5356 ko 4047 aluminium fillers galibi ana zaɓar su don haɓaka ductility da rage fatattaka a yankin weld.
Duk da haka, ka tuna cewa yin amfani da waɗannan filaye na iya dan kadan rage ƙarfin haɗin gwiwa idan aka kwatanta da kayan tushe. Wannan ciniki ne da injiniyoyi da yawa ke shirye su yi don ƙarin dorewa da mutunci.
TIG ko MIG? Zaba Tsarin walda Daidai
Domin 7075 aluminum bar waldi, TIG (Tungsten Inert Gas) waldi ne yawanci fi so. Yana ba da damar ingantacciyar iko akan shigarwar zafi kuma yana samar da mafi tsabta, madaidaicin walda-daidai abin da ake buƙata lokacin aiki tare da irin wannan kayan yanayi.
Wannan ya ce, ƙwararrun masu walda masu amfani da fasaha da kayan aiki na ci gaba na iya samun nasarar MIG weld 7075 aluminum a cikin ƙananan aikace-aikace masu mahimmanci. Ko da kuwa hanyar, kariya mai kyau tare da 100% argon gas yana da mahimmanci don kare tafkin walda daga gurɓata.
Maganin Zafin Bayan-Weld da Dubawa
Maganin zafi bayan walda zai iya taimakawa rage yawan damuwa da dawo da wasu kaddarorin inji. Koyaya, aluminium 7075 mai sake zafi yana da rikitarwa kuma dole ne a yi shi a hankali don gujewa murdiya ko kara fashewa. Hanyoyin gwaji marasa lalacewa kamar duba mai shiga rini ko gwajin X-ray ana ba da shawarar don tabbatar da ingancin walda.
Kwarewa, Hakuri, da Daidaitawa
Welding 7075 aluminum mashaya gwaji ne na fasaha, haƙuri, da shiri. Yayin da tsari ya fi buƙatu fiye da walda sauran allunan, bin waɗannan shawarwarin ƙwararrun za su ƙara haɓaka damar ku na samun ƙarfi mai dorewa.
Ko kai ƙwararren walda ne ko kuma kawai fara tafiya tare da allunan aluminium masu ƙarfi, yin amfani da dabarun da suka dace yana haifar da kowane bambanci.
Shirya Don Haɓaka Ayyukan Ƙarfe-Ƙara naku?
Don ƙarin fahimtar ƙwararru da goyan bayan fasaha akan sarrafa aluminum da walda,Duk Dole Gaskiyayana nan don taimaka muku cimma daidaito da aiki a kowane aiki. Tuntube mu a yau don ƙarin koyo!
Lokacin aikawa: Afrilu-22-2025