7 jerin aluminum gami ne Al-Zn-Mg-Cu, The gami da aka yi amfani da jirgin sama masana'antu masana'antu tun marigayi 1940s. The7075 aluminum gamiyana da m tsari da kuma karfi lalata juriya, wanda shi ne mafi kyau ga jirgin sama da kuma Marine faranti.Ordinary lalata juriya, mai kyau inji Properties da anode dauki.

Kyakkyawan hatsi suna yin kyakkyawan aikin hakowa mai zurfi da haɓaka juriya. Mafi kyawun ƙarfin ƙarfe na aluminium shine allo na 7075, amma ba za a iya walda shi ba, kuma juriya ta lalata ba ta da kyau, yawancin sassan masana'anta na CNC suna amfani da gami 7075. Zinc shine babban sinadarin gami a cikin wannan silsilar, tare da ɗan ƙaramin ƙarfe na magnesium na iya ba da damar kayan aikin da za a yi maganin zafi, don isa ga halaye masu ƙarfi sosai.

Wannan jerin kayan gabaɗaya ana ƙara su zuwa ƙaramin ƙarfe na jan karfe, chromium da sauran gami, kuma daga cikin abin da lambar 7075 aluminium alloy ta musamman ita ce mafi girman inganci, mafi girman ƙarfi, dacewa da firam ɗin jirgin sama da kayan haɗi mai ƙarfi.Halayensa sune, kyau plasticity bayan m bayani magani, zafi magani ƙarfafa sakamako ne musamman kyau, yana da wani babban ƙarfi a kasa 150 ℃, kuma yana da wani musamman mai kyau low zafin jiki ƙarfi; danniya lalata fata hali; aluminum mai rufi ko wani magani mai kariya. Sau biyu tsufa na iya inganta juriya na lalata lalatawar gami. Ƙaƙƙarfan filastik a cikin yanayin da aka rufe kuma kawai ya ɗan yi ƙasa kaɗan fiye da wannan yanayin na 2A12. dan kadan mafi kyau fiye da 7A04, farantin a tsaye gajiya. Gtch yana da hankali, lalata damuwa ya fi 7A04. nauyi shine 2.85 g / cm3.

7075 aluminum gami yana da kyau kwarai inji Properties, takamaiman yi a cikin wadannan al'amurran:

1. Ƙarfin ƙarfi: Ƙarfin ƙarfi na 7075 aluminum alloy zai iya kaiwa fiye da 560MPa, wanda ke cikin babban ƙarfin kayan aiki na aluminum, wanda shine sau 2-3 na sauran nau'in aluminum a karkashin yanayi guda.

2. Kyakkyawan tauri: Sashe na raguwa da ƙimar haɓakawa na 7075 aluminum alloy suna da tsayi sosai, kuma yanayin ɓarna shine raunin ƙarfi, wanda ya fi dacewa da sarrafawa da kafawa.

3. Kyakkyawan gajiya mai kyau: 7075 Aluminum alloy har yanzu yana iya kula da kyawawan kaddarorin injinsa a ƙarƙashin babban damuwa da ɗaukar nauyi mai maimaitawa akai-akai, ba tare da iskar oxygen ba, fashewa da sauran abubuwan mamaki.

4. matuƙar inganci wajen kiyaye zafi:7075 Aluminum gamihar yanzu yana iya kula da kyawawan kaddarorin injinsa a cikin yanayin yanayin zafi mai ƙarfi, wanda shine nau'in ƙarfe mai jure zafin jiki na aluminum.

5. Kyakkyawan juriya mai kyau: 7075 Aluminum alloy yana da juriya mai kyau kuma za'a iya amfani dashi a cikin kera sassan da manyan buƙatun juriya.

Yanayi:

1.O-jihar: (jihar annashuwa)

Hanyar aiwatarwa: Zazzage 7075 aluminum gami zuwa zafin jiki mai dacewa, yawanci a 350-400 digiri Celsius, kiyaye na ɗan lokaci sannan a hankali kwantar da hankali zuwa zafin jiki, manufar: kawar da damuwa na ciki da haɓaka filastik da taurin abu.Matsakaicin ƙarfin ƙarfi na 7075 (7075-0 tempering) ba zai wuce 280 MPa (40,000 psi) da matsakaicin ƙarfin yawan amfanin ƙasa na 140 MPa (21,000 psi). Ƙwararren abu (miƙewa kafin gazawar ƙarshe) shine 9-10%.

2.T6 (maganin tsufa):

Hanyar aiwatarwa: magani mai ƙarfi na farko mai ƙarfi shine dumama alloy zuwa 475-490 digiri Celsius da saurin sanyaya sannan kuma jiyya na tsufa, yawanci a 120-150 digiri Celsius rufi na sa'o'i da yawa, manufar: don inganta ƙarfi da taurin kayan. .Ƙarfin ƙarfi na T6 tempering 7075 shine 510,540 MPa (74,00078,000 psi) tare da ƙarfin yawan amfanin ƙasa na akalla 430,480 MPa (63,00069,000 psi). Yana da ƙimar tsawaita gazawar 5-11%.

3.T651 (miƙewa + taurin tsufa):

Hanyar aiwatarwa: a kan tushen T6 tsufa hardening, wani rabo daga mikewa don kawar da saura danniya, da manufar: don kula da babban ƙarfi da taurin yayin da inganta plasticity da taurin.The matuƙar tensile ƙarfi na T651 tempering 7075 ne na 570 MPa (83,000). psi) da ƙarfin amfanin ƙasa na 500 MPa (73,000 psi). Yana yana da gazawar elongation kudi na 3 - 9%. Ana iya canza waɗannan halayen dangane da nau'in kayan da aka yi amfani da su. Faranti masu kauri na iya nuna ƙaramin ƙarfi da tsayi fiye da lambobin da aka jera a sama.

Babban amfani da 7075 aluminum gami:

1.Aerospace filin: 7075 aluminum gami ana amfani da ko'ina a fagen sararin samaniya saboda girman ƙarfinsa da halayen nauyi. Ana amfani da shi sau da yawa wajen kera tsarin jirgin sama, fuka-fuki, manyan kantuna da sauran mahimman abubuwan, da sauran sifofin da ke buƙatar ƙarfin ƙarfi da juriya na lalata.

2. Motoci masana'antu: The 7075 aluminum gami kuma taka muhimmiyar rawa a mota masana'antu. Ana amfani da shi sau da yawa a cikin tsarin birki da sassan chassis na manyan motoci da motocin tsere, don inganta aikin abubuwan hawa da rage nauyi.

3. Kayan aikin motsa jiki: Saboda girman ƙarfinsa da halaye masu nauyi, 7075 aluminum gami ana amfani dashi sau da yawa don yin kayan wasanni, irin su sandunan tafiya, kulab ɗin golf, da sauransu.

4. inji gini: A cikin filin na inji masana'antu, 7075 aluminum gami ne kuma yadu amfani a yi na madaidaici sassa, molds da sauransu. Bugu da kari, 7075 aluminum gami ne kuma yadu amfani a busa filastik (kwalba) mold, ultrasonic roba waldi mold, takalma mold, takarda filastik mold, kumfa kafa mold, kakin zuma mold, model, tsayarwa, inji kayan aiki, mold aiki da sauran filayen. Hakanan ana amfani da shi don yin firam ɗin alloy na kekuna masu tsayi.

Ya kamata a lura cewa ko da yake7075 aluminum gamiyana da fa'idodi da yawa, har yanzu ya zama dole a kula da ƙarancin aikin walda ɗin sa da yanayin lalata lalatawar damuwa, don haka ana iya buƙatar murfin aluminum ko sauran maganin kariya a cikin amfani.

Gabaɗaya, 7075 aluminum gami yana da matsayi mai mahimmanci a cikin filayen masana'antu da yawa saboda kyakkyawan aiki da fa'ida.