7xxx jerin faranti na aluminum an san su don ƙaƙƙarfan ƙarfin-zuwa-nauyi, yana mai da su babban zaɓi don masana'antu masu girma. A cikin wannan jagorar, za mu warware duk abin da kuke buƙatar sani game da wannan dangin gami, daga abun da ke ciki, injina da aikace-aikace.
Menene 7xxx Series Aluminum?
The7xxx jerin aluminum gami nasa nezuwa dangin zinc-magnesium gami (kamar 7075, 7050, 7475), wanda aka tsara musamman don kayan da ƙarfi. Babban fasali sun haɗa da:
Babban sinadaran: zinc (5-8%) + magnesium + jan karfe.
Maganin zafi: Mafi yawan maki tare da maganin zafi (T6/T7 temper) don ingantaccen ƙarfin hali.
Ƙarfin ƙarfi: Ƙarfin ƙarfi har zuwa 570 MPa (fiye da ƙarfe da yawa).
Lura: Rashin juriya ya ɗan yi ƙasa da 6 jerin aluminum gami (kariyar rufi).
7075 shine mafi yawan al'ada 7xxx jerin aluminum gami, manyan halaye sune babban ƙarfi, kyakkyawan juriya ga gajiya, amfanin gama gari sune firam ɗin jirgin sama, kayan aikin soja, da sauransu.
Dalilin zabar a7-jerin aluminum gami farantin
Ƙarfin Ƙarfin Ƙarfi: Mafi dacewa don abubuwan da ke ɗaukar kaya.
Hasken nauyi: 1/3 da yawa na karfe.
Juriya mai zafi: Yana riƙe kaddarorin a yanayin zafi mai tsayi.
Machinability: Yana samun juriya tare da kayan aikin da suka dace.
7 jerin fasahar sarrafa kayan kwalliyar aluminum
Zaɓin kayan aiki
Kayan Aikin Yanke: Kayan aikin Carbide ko polycrystalline lu'u-lu'u (PCD).
Geometry na Kayan aiki: Babban kusurwar rake (12°-15°) don rage zafi.
Lubrication: Yi amfani da sanyaya hazo don rage gogayya.
Gudun & Shawarwarin Ciyarwa
Milling: 800-1,200 SFM (ƙafafun saman a minti daya).
Hakowa: 150-300 RPM tare da hakowa peck don share kwakwalwan kwamfuta.
Guji Chatter: Amintattun faranti tare da kayan aikin vacuum.
Bayan-Machining Kula
Taimakon Danniya: Sassan tsutsa don hana warping.
Anodizing: Aiwatar da Nau'in II ko III anodizing don kariyar lalata.
Kalubalen gama gari & Magani
Damuwar Lalacewar Damuwa:
Dalili: Ragowar damuwa + yanayi mai ɗanɗano.
Gyara: Yi amfani da zafin T73, yi amfani da sutura masu kariya.
Galling Lokacin Zare:
Dalili: Babban abun ciki na zinc.
Gyara: Yi amfani da famfo mai rufi; man shafawa da mai mai nauyi.
Manyan Aikace-aikace na7xxx Aluminum faranti
Aerospace: Wing spars, kayan saukarwa.
Tsaro: Abubuwan abubuwan hawa masu sulke.
Wasanni: Firam ɗin keke, kayan hawan hawa.
Motoci: Sassan inji mai tsananin damuwa.
Lokacin aikawa: Maris 14-2025