1. Cov ntaub ntawv xaiv raw thiab pretreatment
Alloy Qeb Kev Ntsuam Xyuas
6 series aluminium alloys (xws li 6061, 6063): Siv rau Weldabive cov qauv thiab lub zog zoo dua (tensile lub zog ntau dua lossis sib npaug rau 310 mpa);
7 Series alloys alloys (xws li 7075): Tsim nyog rau cov kev ua haujlwm nrawm thiab cov khoom siab thauj khoom, muaj zog ultra-siab (tensile muaj zog txog 570 MPa);
Impurity tswj: FA cov ntsiab lus yuav tsum muaj<0.7%, Si content <0.8% to avoid surface cracks during extrusion.
Ingot Pretreatment
Homogenization Annealing: {480-520 degree rwb thaiv tsev rau {1}}}} srenusion thiab txhim kho extrusion moulding ruaj khov;
Cov kev kho deg: kev siv tshuab polishing lossis pickling kom tshem tawm cov oxide txheej rau saum npoo ntawm tus pas txhuas ntawm 3.2μm) thiab txo tus nqi ntawm kev tshem tawm ntawm extrusion tuag.
2. Melting thiab casting txheej txheem
Melting Parameter Control
Tswj kub: lub suab kub yaj ntawm tsis-alloy aluminium yog}}}}} degree los tiv thaiv kev hlawv ntawm alloy cov;
Refining Txheej Txheem: Siv tus nqi sib cav sib ceg (ntws tawm {{{0}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} l \/ min) 100g al.
Chaw ua casuming
Qhov tob zoo camting: txias dej ntws 2-5 m³} mm \/} Sausing thiab sizing: pov qaum txiav ntev 500-6000 mm, xaus ntsej muag ntsug tsawg dua lossis sib npaug rau 1 degree. 3. Cov tub ntxhais technology ntawm extrusion molding
Pwm Tsim Qauv
Shunting tuag qauv: siv rau hollow aluminium kaum yog 45-60 degree, ntsuas tus nqi txaus;
Ua hauj lwm siv txoj siv ntev: {{0} Puab-} Tus txiv ntoo hla yuav tsum tau tswj hwm ± 0.1mm.
Txheej Txheem Petameter Optimization
Alloy Hom Extrusion Kub (Degree) Extrusion Ceev (M \/ min) Qhov Tshwj Xeeb Siab (Mpa)
6061 450-480 12-25 400-600
7075 380-420 5-10 700-850
Cov txheej txheem cua txias: Cua txias loj dua li lossis sib npaug rau 10 m \/ s, yog li ntawd cov ntaub ntawv ntxiv los ntawm 500 degree rau hauv qab 200 degree hauv 60 vib nas this;
Water mist cooling: water temperature ≤30℃, suitable for thick-walled aluminum bars (wall thickness >10 hli).
4. Kev kho cua sov thiab xov
Kho Mob Kev Kho Mob (T6 Lub Xeev)
6061 Alloy yog rhuab rau 530 degree ± 5 degree thiab khaws cia rau 1 teev, thiab cov dej quenching txias tus nqi yog> 200 degree \/ min;
7075 alloy Adopts cua sov: 120 degree preheating → 250 degree nruab nrab kub → 480 degree kawg li kub.
Kev Zov zuj zus zuj zus Peev Ntuj Laus (T4): 96 teev nyob rau hauv chav tsev kub, Hardness nce mus rau Hb {2}};
Artificial Laus (T6): 175 degree ± 5 degree rau 8 teev, tensile lub zog nce los ntawm 30% {5}}%.
Precision machining technology CNC turning : spindle speed {{0}} rpm, feed rate 0.1-0.3mm\/r, surface roughness Ra Less than or equal to 1.6μm;
Txias ncab ncaj: elongation {{{0}}}}. 5% ± 0.05 hli \/ m). V. Nto Kho Kho Mob thiab Tswjhwm Zoo
Ua haujlwm saum npoo kho
Hard anodizing: zaj duab xis tuab 20-50 μm, microhardness hv 300-500;
Micro-arc oxidation: tawg voltage {}} v, thoj 50-200 μm).
Kev sim cov qauv thiab cov hau kev
Kuaj cov khoom seev thiab cov cuab yeej siv khoom muaj peev xwm
Kev txheeb xyuas kev sib sau ncaj qha Kev Ntsuam Xyuas Kev Nyeem Ntawv Spectrometer (OES) ua raws li Astm B221 \/ EN 754
Cov Khoom Siv Neeg Kho Tshuab Lub Tshuab Tensile Dag Zog Tsawg dua lossis sib npaug rau 5%
Tshuaj Xyuas Xub Xub Xub Kaj Xuas Nrig Saib Xub Xub Xuas Nrig Ntes Pority tsawg dua los yog sib npaug rau 0. 5%, tsis muaj kab nrib pleb
6.industry thev naus laus zis
Cov ntse extrusion: Siv iot sensors los saib xyuas cov tshuab ntsuas kub (qhov tseeb ± 1 degree) thiab extrusion siab hloov hauv lub sijhawm tiag tiag; Cov txheej txheem luv luv tsim: Nruam Casting thiab Rolling txheej txheem shortens lub sijhawm los ntawm smelting los ntawm 4}% thiab txo kev siv hluav taws xob los ntawm 25%; Kho cov tshuaj ntsuab: Hloov cov kev hloov pauv dawb hloov ua yeeb yaj kiab (txheej tuab tuab} μm), ua raws li RoHS 3.0 tus qauv. Txheej txheem optimization tswv yim
Rau high-precision aviation txhuas tuav (xws li {{1} {} {} {}, uas tuaj yeem ua kom qaug zog ntawm 50%;
Hauv kev tsim cov kav hlau txhuas rau kev tsim kho ({0}} t5), tuaj yeem txuas lub neej zoo dua lossis muaj peev xwm txuas ntxiv rau 1200HV) tuaj yeem txuas lub neej lub neej rau {}}} tons \/ teeb.
