Ragowar damuwa a cikikarfe simintin gyaran kafaal'amari ne mai mahimmanci wanda zai iya shafar aiki da tsawon rayuwar abubuwan ƙarfe. Hasashen da sarrafa waɗannan matsalolin yana da mahimmanci don tabbatar da inganci da dorewa na samfurin ƙarshe.
Hasashen Ragowar Damuwa a cikin Castings
Za'a iya tsinkayar damuwa ta saura a cikin simintin gyare-gyare ta hanyar amfani da hanyoyin lissafi kamar nazarin abubuwan ƙima (FEA). Waɗannan simintin suna la'akari da hanyoyin zafi da injina yayin simintin gyare-gyare, gami da ƙarfafawa da sanyaya.
Rage Samuwar Damuwa
Don rage samuwar saura danniya a cikin simintin gyare-gyare, ana iya amfani da hanyoyi da yawa. Sarrafa sanyaya hanya ɗaya ce, inda ake sanyaya simintin gyare-gyare a daidai adadin don hana bambance-bambance. Haɓaka ƙirar simintin gyare-gyare don guje wa sasanninta masu kaifi da sassa masu kauri kuma na iya taimakawa, saboda waɗannan wuraren suna da haɗari ga yawan damuwa. Bugu da ƙari, gyaggyara abun da ke ciki na gami don cimma daidaituwar ɗabi'a na iya rage damuwa.
Gano Ragowar Damuwa
Gano ragowar damuwa a cikin simintin gyare-gyare za a iya cimma ta hanyoyi daban-daban na gwaji marasa lalacewa. Diffraction X-ray (XRD) wata dabara ce ta gama gari wacce ke auna tazarar jiragen kristal a cikin kayan don tantance yanayin damuwa. Hakanan za'a iya amfani da gwajin Ultrasonic don gano canje-canje a cikin kaddarorin kayan da ke nuna damuwa. Ana iya amfani da ma'auni don auna ma'aunin saman kai tsaye.
Taimakon Danniya a cikin Casting Iron
Don kawar da ragowar damuwa a cikijefa baƙin ƙarfe, annealing hanya ce da ake amfani da ita sosai. Wannan ya haɗa da dumama simintin zuwa zafin jiki da ke ƙasa da inda yake narkewa, riƙe shi a wannan yanayin don ba da damar shakatawar damuwa, sannan a sanyaya shi a hankali. Wannan tsari yana ba da damar damuwa na ciki don samun sauƙi ba tare da canza abubuwan kayan aiki ba.
Taimakon Danniya a cikin Castings Karfe
DominKarfe zuba jari simintin gyaran kafa, kawar da damuwa yana da tasiri. Tsarin yana kama da na simintin ƙarfe, amma yanayin zafi da ke tattare da shi gabaɗaya ya fi girma saboda bambancin yanayin zafi na ƙarfe. Sarrafa dumama da sanyaya suna da mahimmanci don hana ƙaddamar da sababbin damuwa yayin aiwatarwa.
Taimakon Danniya a cikin Simintin Gyaran Garin da Ba Ba Ferrous ba
Alamomin da ba na ƙarfe ba, irin su aluminium da na jan karfe, suma suna buƙatar rage damuwa don haɓaka aikinsu. Waɗannan kayan galibi ana samun sauƙin damuwa ta hanyoyin zafi mai kama da ƙarfe na ƙarfe amma galibi a ƙananan yanayin zafi. Bugu da ƙari, wasu allunan da ba na ƙarfe ba na iya fa'ida daga dabarun taimako na damuwa na inji, kamar agajin damuwa na girgiza, wanda ke amfani da girgizar injin don sake rarrabawa da sauke damuwa na ciki.
Lokacin aikawa: Nuwamba-22-2024