Dabarun Rigakafi da Sarrafa don Matsakaicin Ƙimar Ƙarfafawa a cikin Tsarin Zana Aluminum

I. Muhimman Dalilai da Ma'auni na Ƙididdigar Ƙididdigar Kuɗi

(I) Ma'aunin ƙididdigewa da Tushen Hukunci

(II) Nazarin Mahimman Dalilai

1. Tasirin Haɗin Abu da Chemical: Abubuwan da ke ciki da rabon abubuwan Fe da Si a cikin tsantsar aluminium da aluminium alloys suna taka muhimmiyar rawa wajen ƙirƙirar rubutu. Fe yana ƙoƙarin haifar da samuwar rubutun R, yana haifar da kunne a 45 °; Si sauƙin inganta samuwar nau'in cube, haifar da kunne a 0 ° da 90 °. Rashin daidaituwa tsakanin su biyun zai kara tsananta anisotropy. Misali, in 1060 da'irori na aluminum, lokacin da abun ciki na Fe yake 0.23% kuma abun ciki na Si shine 0.11%, ma'aunin rubutu yana sauƙi karye, kuma haɗarin kunne yana ƙaruwa sosai.
2. Bambance-bambance a cikin Tsarukan Birgima da Tsagewa: Ragewar sanyi, zafi zafi, da kuma riƙe lokaci kai tsaye ƙayyade rarraba rubutu. Da'irar Aluminum a cikin yanayin birgima galibi suna samar da kunnen 45°, kuma canje-canje a cikin raguwar mirgina ba su da wani tasiri mai mahimmanci akan adadin kuɗin kunne; bayan recrystallization annealing, kunne a 0° da 90° na iya faruwa lokacin da raguwar mirgina ke cikin kewayon 80% ~ 90%, da matsananciyar zafi mai zafi na iya ƙara yawan kuɗin kunne. Bugu da kari, mirgina unidirectional yana son ƙarfafa rubutun anisotropy, kara kara hadarin kunne.
3. Abubuwan Taimako da Abubuwan Kayan Aiki: Rashin isassun daidaiton da'ira na aluminum (gefen flatness, maida hankali), zane mutu sigogi (fillet radius, sharewa), kuma yanayin lubrication mara kyau zai kara girman anisotropy na kayan, haifar da maida hankali na gida da kuma samuwar kunne mara kyau.

II. Dabaru masu Aiki don Rigakafin Cikakkun Tsari da Sarrafa Maɗaukakin Ƙarfin Kuɗi

(I) Haɓaka Tsarin Material da Daidaita Haɗin Sinadarai

• Fe/Si Ratio Control: Daidaita bisa ga buƙatun shugabanci na samun kuɗi. Don kashe kunne 45°, za a iya rage rabon Fe/Si daidai, kuma tasirin shigar da Fe akan rubutun R na iya raunana ta hanyar samar da mahadi tsakanin Si da Fe; don rage kunne a 0° da 90°, za a iya ƙara ma'aunin Fe/Si a matsakaici don ƙara yawan nau'in rubutun bazuwar.
• Inganta Tsabtan Abu: Don babban yanayin aikace-aikace, sarrafa abun ciki na aluminium a sama 99.6% don rage tsangwama na sauran ƙazanta a kan rubutu. Mai ma'ana, homogenization magani (kamar riƙe a 615 ± 10 ℃ don 15 ~ 20h) an karɓa don kawar da rarrabuwa a cikin ingot, tace hatsi, da rage anisotropy.

Teburin Kwatancen Ma'auni na Tsari Tsararra Ma'aunin Kuɗi don Makin Aluminum Daban-daban

(II) Daidai Daidaita Tsarin Mirgina da Inganta Rarraba Rubutu

• Sarrafa Rage Mirgina Sanyi: Ƙayyade kewayon raguwa mai ma'ana mai ma'ana tare da tsarin cirewa don guje wa raguwa mai yawa. Misali, domin 1060 aluminum da'ira, idan 420 ℃ / 4h annealing tsari da aka soma, ana iya sarrafa raguwar mirgina sanyi a 75% ~ 80% ko sama 90% don rage girman girman kasadar kunne a 0°, 90° da 45°.
• Karɓar Fasahar Girbi Rolling: Sauya mirgina kai tsaye don tarwatsa daidaitawar hatsi ta hanyar canza yanayin mirginawa, ƙara da rabo na bazuwar rubutu, da raunana anisotropy wanda aka fi so. A lokacin mirgina, ya kamata a kiyaye adadin raguwa daidai gwargwado don guje wa nakasar gida da yawa.
• Haɓaka Ma'auni masu zafi: Don da'irar aluminium da ke buƙatar mirgina sanyi na gaba, sarrafa zafi mirgina fara zafin jiki a 480 ~ 510 ℃ da kuma gama mirgina zafin jiki a 280 ~ 330 ℃ don tabbatar da uniform hatsi na birgima tsiri da kuma sa harsashi ga m matakai.. Henan Huawei Aluminum Co., Ltd., Ltd. yana ɗaukar fasahar jujjuyawar giciye da yawa haɗe tare da daidaitattun sigogin mirgina masu zafi, da kuma a hade tare da balagagge sanyi aiki abũbuwan amfãni, na iya daidaitawa da sarrafa ƙimar ƙarar manyan da'irar aluminum a ciki 1.5%, daidaita daidaiton samfur da ingancin samarwa.

Teburin Kwatancen Tasirin Hanyoyin Mirgina akan Adadin Kuɗi na Da'irorin Aluminum

(Iii) Tsare-tsare na Kimiyance Tsare-tsare da Tsabtace Jiha

• Matsakaici Haɓaka Ƙarfafawa: Don samfuran sanyi-birgima masu yawa, sarrafa matsakaici annealing zafin jiki a 400 ~ 450 ℃ da tsiri aiki gudun a 30 ~ 35m / min don kawar da aikin hardening lalacewa ta hanyar sanyi mirgina da kuma kauce wa wuce kima rubutu tara.. Lura cewa matsananciyar zafi mai zafi na iya ƙara yawan kunne a 0 ° da 90 °, wanda ke buƙatar daidaitawa a hade tare da raguwa na ƙarshe na mirgina.
• Sarrafa Ƙarshe na Ƙarshe: Zazzabi na ƙarshe ya kamata ya zama ƙasa da matsakaicin zafin jiki. Misali, karshe annealing na 5052 aluminum gami da'ira za a iya saita a 320 ~ 380 ℃ tare da aiki gudun 20 ~ 30m / min. Ana samun dumama Uniform ta hanyar murhu mai ci gaba da murɗa iska don tace hatsi da daidaita ma'auni na nau'in cube da rubutun R..

(IV) Daidaita Hanyoyin Taimako da Rage Tsangwama na Waje

• Inganta Yanke Daidaito: Dauki Laser yankan ko high-madaidaici stamping kayan aiki don tabbatar da gefen flatness na aluminum da'ira da concentricity kuskure ≤0.05mm, guje wa gurɓataccen gurɓataccen yanayi a lokacin zane wanda ya haifar da ƙaddamarwar damuwa. Za'a iya yin ɗan ƙaramin maganin jin daɗi bayan yankewa don kawar da ragowar damuwa.
• Haɓaka Ma'aunin Mutuwa da Zane: Daidaita fillet ɗin radius da cirewar mutuwa da naushi gwargwadon kaurin da'irar aluminium don guje wa tashin hankali na cikin gida da ya haifar da ƙananan fillet ɗin mutu.; sarrafa saurin zane don zama iri ɗaya kuma barga, da kuma karfin mariƙin da bai dace ba da za a rarraba daidai gwargwado don rage kunnen da ke haifar da rashin daidaituwa.
• Inganta Yanayin Lubrication: Zaɓi kafofin watsa labaru na musamman masu dacewa da zane na aluminium don tabbatar da lubrication iri ɗaya na farfajiyar lamba yayin zane, rage juriya juriya, kuma a guji bambance-bambancen nakasar gida da ta tsananta.

Teburin Gwajin Cikakkun Tsari don Ƙimar Ƙarar Da'irar Aluminum

(V) Ƙarfafa Gwajin Tsari kuma Kafa Ikon Rufe-Madauki

• Gwajin Danyen Kaya: Kafin warehousing kowane tsari na aluminum tube, gudanar da gwaje-gwajen kunne daidai da GB/T 15825.7-1995 don auna yawan kuɗin kunne da shugabanci, nazarin yanayin rubutu, da kuma hana albarkatun da ba su cancanta ba a sanya su cikin samarwa.
• Duban Samfuran Tsari: Cire samfura don zana gwaje-gwaje bayan mirgina da annealing don saka idanu da canjin yanayin kuɗin kunne. Idan yawan kunnen ya saba (kamar wuce gona da iri 1.5 sau da iko kofa), nan da nan bincika kuma daidaita sigogin tsari (kamar rage zafin zafi da raguwa).
• Kammala Sake Duba Samfura: Gudanar da gwajin ƙimar samun kuɗi akan samfuran gamayya da aka zana, da sake inganta tsarin gaba-gaba a hade tare da jagorar kunne don samar da kulawar rufaffiyar madauki na “gwaji-bincike-daidaita-tabbaci”.

Iii. Matsalolin Jama'a da Magance Manufa

IV. Ƙarshe