Me yasa 3003 Da'irar Aluminum sune zaɓin da aka fi so don zane mai zurfi: Jagoran Fasahar Injiniya

3003 aluminum da'irori don zurfin zane ana ɗaukarsa a matsayin "kayan ma'auni" a cikin aikace-aikacen zane mai zurfi a cikin masana'antar sarrafa aluminum. A cikin masana'antar dafa abinci da samar da bangaren masana'antu, sun zama zaɓin tsoho don yawancin tsakiya- zuwa samfurori masu inganci. A matsayin injiniya fiye da 15 shekaru a cikin aikin aluminum, Injiniyoyi masu sayayya da injiniyoyi suna yawan tambayata: “Me yasa 3003 fifiko don zane mai zurfi?” kuma “Ya kamata 1050, 1060, kuma 3003 da gaske a zaba?”
Wannan labarin ya bayyana waɗannan tambayoyin a fili kuma a aikace, mai da hankali kan kayan aikin injiniya maimakon da'awar tallace-tallace.

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I. Bayanan Masana'antu: Me yasa Abubuwan Bukatun Zane Mai Zurfi Suka Inganta 3003 wata larura

Tare da haɓaka masana'antun masana'antu na duniya, Buƙatun abubuwan haɗin aluminum mai zurfi na ci gaba da girma, yayin da buƙatun kayan aiki sun zama masu ƙarfi.

A cikin aikace-aikacen dafa abinci, masu amfani suna tsammanin samfurori masu sauƙi tare da ƙarfi mafi girma da mafi kyawun juriya na lalata. Abubuwan da aka haɗa kamar su kayan dafa abinci da ƙwanƙwasa ƙwanƙwasa suna yin aikin zane mai zurfi mai zurfi kuma dole ne su kiyaye kwanciyar hankali na dogon lokaci..
A cikin aikace-aikacen masana'antu-matsi na ƙarshen iyakoki, motoci masu zafi, sassa na kwampreso na kwandishan - abubuwan da aka zana masu zurfi dole ne su dace da jurewar girma, maƙasudin ƙarfi na inji, da buƙatun dogaro na dogon lokaci.

A tarihi, tsantsar aluminium alloys kamar 1050 kuma 1060 yawanci ana amfani da su don zane mai zurfi saboda kyakkyawan filastik. Duk da haka, iyakokinsu a bayyane yake: low ƙarfi da in mun gwada da matalauta lalata juriya. Misali, kayan dafa abinci handware sanya daga 1060 aluminum na iya lalacewa bayan dogon sabis, kuma tsantsar aluminium gabaɗaya bai dace da abubuwan masana'antu masu ɗaukar matsa lamba ba.

Anan shine 3003 da'irar aluminum suna nuna ƙimar su. A matsayin Al-Mn alloy, 3003 yana riƙe kyawawan filastik mai zurfin zane yayin bayar da fiye da 30% mafi girma ƙarfi fiye da 1060, tare da ingantaccen juriya na lalata. Yana magance ainihin sabani na zane mai zurfi yadda ya kamata: high formability a lokacin aiki kuma isasshen ƙarfi a cikin sabis.
Ga masana'antun, wannan yana fassara zuwa ƙananan raguwa da haɗarin wrinkling yayin zane, tsawon rayuwar samfurin, kuma yawanci fiye da 15% raguwa a cikin sake yin aiki.

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II. Tushen Material: Mabuɗin Bambanci Tsakanin 3003 kuma 1050/1060

Ayyukan zane-zane mai zurfi an ƙaddara ta asali ta hanyar abun ciki na gami da microstructure. Fahimtar dalili 3003 yayi mafi kyau yana buƙatar kwatanta kai tsaye da 1050 kuma 1060.

1050 kuma 1060 ne high-tsarki aluminum gami (Al ≥ 99%), miƙa kyau kwarai ductility da uniform nakasawa a lokacin zane. Duk da haka, Ƙarfin ƙarfin su ya yi ƙasa (35- 53 MPa), kuma juriya na lalata yana da iyaka, musamman a cikin yanayi mai danshi ko mai.

3003 aluminum ya ƙunshi 1.0-1.5% Mn. Manganese Forms ƙarfafa Al₆Mn dispersoids kuma yana ba da ƙarfi-ƙarfafa ƙarfi ba tare da rage ductility ba.. Saboda, 3003 yana samun ƙarfin ƙarfi na 110-140 MPa tare da elongation a sama 18%, samun daidaiton haɗin kai na tsari da ƙarfi.

Kwatanta Abubuwan Maɓalli da Aikace-aikace

Ƙarshen injiniya:
Don zane mai zurfi tare da ƙananan ƙarfin buƙatun, 1050/1060 iya isa. Don matsakaici zuwa zane mai zurfi inda ake buƙatar ƙarfi da juriya na lalata, 3003 shine zabi na hankali.

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Iii. Tushen Tsari: Mabuɗin Maɓalli takwas waɗanda ke ayyana Ayyukan Zane Mai zurfi na 3003

Zaɓin madaidaicin allo shine kawai wurin farawa. Tsayayyen aikin zane mai zurfi ya dogara da tsananin sarrafa tsari. Yawancin gazawar ba ta haifar da zaɓin gami ba, amma daga aiki mara kyau.

Daidaitaccen hanyar tsari shine: Narkewar Ingot da simintin gyare-gyare → Zafafan mirgina → Sanyin mirgina → Matsakaicin raɗaɗi → Fitsarar fata → Blanking → Ragewa da jiyya a saman → Dubawa da ganowa.

1. Ingot Melting da Casting

• Yanayin narkewa: 730-760C
• Yawan sanyaya: 15-25 °C/s (Semi-ci gaba da simintin gyare-gyare)
• Mn abun ciki: 1.0-1.5%

Yawan zafin jiki yana ƙara haɓakar oxide; rashin isasshen zafin jiki yana haifar da rabuwar Mn. Rashin sanyaya mara kyau yana haifar da ƙananan hatsi ko damuwa na ciki.

2. Hot Rolling

• Zazzabi: 380-450 ° C
• Rage-wuri ɗaya: 30-40%
• Karshe kauri: 8- 12 mm (± 0.3 mm)

Manufar ita ce a karya tsarin simintin gyare-gyare da kuma tace hatsi ta hanyar recrystallization mai ƙarfi.

3. Sanyi mirgina (Mahimmanci don Zane Mai zurfi)

• Jimillar raguwa: 30-50%
• Gudun mirginawa: 2– 5m/s
• Tashin hankali: 10- 20 MPa
• Roll roughness ≤ 0.2 μm

Wannan kewayon yana haɓaka rinjaye {111} rubutu, mahimmanci don nakasar uniform a lokacin zane mai zurfi.

4. Matsakaici Annealing

• Zazzabi: 380-420 ° C
• Rike lokaci: 2– 3 hours
• Yanayin kariya: nitrogen

Matsakaicin recrystallization ≥ 95%, elongation mayar zuwa ≥ 18%. Yin wuce gona da iri yana haifar da ƙarancin hatsi da lahani-bawon lemu.

5. Matakan Ƙarshe na gaba

• Ragewar fatu: 5-10%
• Blanking mutu barranta: 0.01- 0.03 mm
• Tsayin Burr ≤ 0.05 mm
• Ragewa: 50-60 °C na minti 5-10 (mai ≤ 5 mg/m²)
• Passivation don haɓaka juriya na lalata

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IV. Ikon Kulawa: Rukunin Sarrafa Mahimmanci guda uku

1. Raw Material Control

• ≥3% Samfurin kowane ingot batch
• Binciken Spectral na Mn, Fe, Kuma, Pb, CD
• Yi amfani da ƙwararrun masu samar da aluminum na farko na ASTM
• Cikakken bayanan ganowa

2. Sarrafa tsari

• Hot mirgina kauri saka idanu a kowace mita
• Tabbatar da rubutu na XRD ({111} ≥ 70%)
• Metallographic bincike bayan annealing (girman hatsi 20-50 μm)
• Daidaita kayan aiki (mirgine zagaye ≤ 0.01 mm)

3. Binciken Ƙarshe

• Haƙurin diamita ≤ ± 0.1 mm
• Haƙurin kauri ≤ ± 0.05 mm
• Surface roughness Ra 0.8 μm (≤ 0.5 μm don samfuran ƙima)
• Ƙarfin jujjuyawar 110-140 MPa, Elongation ≥ 18%
• Iyakar ƙaura mai nauyi-karfe na FDA

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V. Matsalolin Zurfi na gama gari da Maganin Injiniya

Fatashin

• Dalilai: rage yawan juyi sanyi, rashin wadatarwa, manyan bursu
• Magani: rage sarrafawa zuwa 30-50%, recrystallization ≥ 95%, burar ≤ 0.05 mm

Bawon lemu

• Dalilai: over-annealing, girman hatsi > 100 μm
• Magani: anneal a 380-420 ° C na 2-3 hours, metallographic saka idanu

Yi wauta

• Dalilai: rubutun da ba na Uniform ba, kauri bambancin, wuce kima mutu barranta
• Magani: daidaita yanayin mirgina, kauri ± 0.05 mm, Mutuwar izinin 0.01-0.03 mm

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Vi. Aikace-aikace-Takamaiman Daidaita Siga

Dafa abinci (rikewa, baki, murfi)

• Mayar da hankali: Ingancin ƙasa, juriya na lalata, FDA yarda
• gyare-gyare: mirgine rashin ƙarfi ≤ 0.15 μm, ragowar mai ≤ 3 mg/m², m nauyi-karfe iyaka

Abubuwan Masana'antu (jirgin ruwa matsa lamba iyakoki, masu musayar zafi)

• Mayar da hankali: ƙarfi da kwanciyar hankali girma
• gyare-gyare: Rage jujjuyawa sanyi 40-50%, m girma tolerances

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VII. Shawarwari na Ƙira da Amfani

1. Store 3003 aluminum da'irori a bushe, yanayin iska.
2. Yi amfani da man shafawa masu dacewa don zane mai zurfi (kayan abinci don dafa abinci).
3. Tabbatar cewa kayan mutuwa da taurin sun dace da ƙarfin matakin 3003.
4. Ci gaba da bin diddigin tsari don saurin binciken tushen tushen.

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Ƙarshe

3003 aluminum da'irori don zurfin zane An fi son saboda sun cimma daidaito mai amfani tsakanin tsari a lokacin zane mai zurfi kuma ƙarfi da juriya na lalata a cikin sabis.
Daga hangen aikin injiniya, nasara ya dogara da tushe guda uku: daidai alloy selection, tsauraran kula da raguwar sanyi-mirgina da ma'auni na annealing, da cikakkiyar kulawar inganci a duk lokacin aiwatarwa.

Don yanayin zane mai zurfi na musamman-kamar zane mai zurfi ko matsanancin yanayin sabis - ana buƙatar ƙarin haɓaka ma'auni., kuma ana ƙarfafa musayar fasaha koyaushe.