Enyanjula mu 7075 Aluminium Sheet .
7075 Olupapula lwa aluminiyamu lwa Al-ZN -mg-Cu Super-Aluminiyamu omuzibu (omutindo gw’eggwanga GB/T 3190), ogulimu 5.6% Zn, 2.5% mg ne 1.6% Cu. Oluvannyuma lw’okujjanjaba T6 okukaddiwa, amaanyi gasobola okutuuka ku **560MPa oba okusingawo** (Hardness Hb greater than or equal to 150), nga eno y’emu ku nkola ezisinga amaanyi mu aloy za aluminiyamu ez’ettunzi. Amaanyi gaayo ag’enjawulo gasinga ekyuma, naye okuziyiza okukulukuta kwayo kunafu, era kwetaaga okukuumibwa anodizing oba aluminium cladding. Kikozesebwa mu ngeri ey’enjawulo mu kutikka okuyitiridde-okusitula embeera ng’ebitundu by’enzimba y’ennyonyi, ebitundu by’emizinga, n’ebibumbe ebiwanvu-ebikoma. Kyetaagisa okussaayo omwoyo ku mpisa y’okukutuka ku situleesi mu kiseera ky’okulongoosa. Kirungi okunyweza nga okaddiwa oluvannyuma lw'okusooka-Solid solution (O state) forming.
Ekipimo ky'ebintu .
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Alloy . |
7075 |
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Obusungu |
O,T6,T73,T76,T651 |
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Obugumu(mm) . |
0.2-10.0 |
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Obugazi(mm) . |
100-2650 |
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Obuwanvu(mm) . |
C |
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Omutindo |
jis,iasi,astm,gb,din,en |
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Ku ngulu |
okusiiga, okukuba embossing, okusiimuula, okusiimuula, okukola anodizing, n’ebirala. |
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OEM . |
okukuba ebikonde, okusala ku sayizi ey'enjawulo . |
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Okulegako |
Bwereere |
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Okusabika |
strapping, obuveera, firimu, pallet y'embaawo standard seaworthy ebweru okupakinga |
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Okusaba |
okuzimba, okuzimba emmeeri, okuyooyoota, amakolero, okukola, ebyuma, ebikozesebwa n’ennimiro endala |
Okusiiga 7075 Aluminium Sheet .
Olw’amaanyi gaayo aga ultra-aga waggulu (amaanyi ga T6 agasinga oba agenkana 560MPa) n’amaanyi amalungi ennyo, 7075 aluminiyamu sheet esinga kukozesebwa mu:
.
2. Ebikozesebwa mu magye: Ebbakuli y’obukuumi bw’emmotoka eriko ebyokulwanyisa, ebitundu by’emmundu, n’ebirala;
3. High-Ebibumbe ebikoma: ebibumbe ebituufu ebikuba empiso, ebibumbe ebikuba sitampu, n’ebirala;
4. Empaka: Ebitundu by’okuyimirizaawo F1, ensengekera y’omubiri omuzito;
5. Ebyuma ebituufu: waggulu-Ebitebe bya bbeeri, ssilindala za mazzi, n’ebirala.
Kyetaaga okukolagana n’enkola y’okusiiga anodizing oba aluminum okusobola okulongoosa okuziyiza okukulukuta, era kye kintu ekisinga okwettanirwa mu mbeera z’ebyuma ezisukkiridde.
Ebintu eby'okukanika .
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Amaanyi g’okusika . (MPA) . |
Amaanyi g’amakungula . (MPA) . |
Omuwendo gw'okuwanvuwa . (%) |
Obukakanyavu . (HV) . |
|
572 |
503 |
11 |
175 |
Obutale obukulu obw'okutunda ebweru w'eggwanga .
Ebipande byaffe ebya aluminiyamu 7075 bisinga kutwalibwa mu bitundu ebikulaakulanye mu makolero mu North America, Bulaaya ne Asia, omuli Amerika, Girimaani, Japan ne South Korea. Obutale buno obwa waggulu- bulina ebyetaago ebikakali ku nkola y’ebintu era bukozesebwa nnyo mu by’ennyonyi, ebyuma by’amagye, ebibumbe ebituufu n’ebitundu by’empaka. Tutaddewo enkola y’okugaba ebintu emitala w’amayanja okutebenkedde nga tuyita mu kukakasa omutindo okusinziira ku satifikeeti z’ensi yonna nga ASTM, AMS ne EN, era tusobola okutuukiriza ebyetaago ebikakali ebya bakasitoma mu bitundu eby’enjawulo olw’ebipande bya Aluminium Alloy eby’amaanyi ebya waggulu-.
Enkola y’okufulumya .
7075 Ebipande bya aluminiyamu bikolebwa nga tukozesa tekinologiya ow’omulembe ow’okusuula semi-, era omugerageranyo gw’ebintu ebikola ensengekera nga zinki, magnesium n’ekikomo gufugibwa ddala okukakasa nti ekintu kituuka ku nkola y’ebyuma esinga obulungi. Ebipande biba byokya-okuyiringisibwa olw’okubikka, okunnyogoga-okuyiringisibwa okumaliriza, n’oluvannyuma ne binywezebwa okulongoosa ebbugumu ery’okugonjoola (T6 state) n’enkola y’okukaddiwa okw’ekikugu. Tukozesa ebyuma ebitereeza obulungi (precision leveling equipment) okufuga obupapajjo bw’obupande, nga tulina okugumiikiriza kwa ±0.1mm, era tukozesa non-teknologiya ow’okugezesa okuzikirizibwa nga ultrasonic flaw detection okukakasa omutindo ogw’omunda, nga kiwa obukuumi obwesigika eri-okukozesebwa okukoma waggulu.
Enkola z’okulongoosa kungulu .
7075 Aluminium Sheet esobola okuwa eby’enjawulo eby’ekikugu eby’okulongoosa ku ngulu, omuli hard anodizing (okukola dense oxide layer esukka mu 50μm), eddagala conductive oxidation (esaanira ebitundu by’amasannyalaze) n’okuziba omusenyu mu ngeri entuufu (okutumbula okusiiga okusiiga). Ku byetaago eby’enjawulo ebiziyiza-, tusobola n’okuwa obujjanjabi bwa alodini oba okusiiga teflon okutuukiriza ebisaanyizo by’okuziyiza okukulukuta kw’obutonde bw’amagye n’ennyanja. Enzijanjaba zonna ez’okungulu ziyita mu kwekebejja okw’omutindo okukakali nga okukebera okufuuyira omunnyo okukakasa nti okugoberera omutindo gw’ensi yonna nga MIL-A-8625.
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