Txheej txheem ntws ntawm aluminium alloy 3D luam ntawv

Aluminium alloys, ua tsaug rau lawv lub zog tshwj xeeb, zoo thermal conductivity, thiab zoo heev corrosion kuj, tau ntev tau dav siv los ua cov ntaub ntawv hnyav hauv aerospace, automotive manufacturing, electronics, thiab lwm yam. Nrog rau kev loj hlob tsis tu ncua ntawm kev tsim khoom siv thev naus laus zis, 3D- luam tawm aluminium alloys tau dhau los ua cov kev daws teeb meem tseem ceeb rau cov tsoos tuag casting, forging, thiab CNC machining-tshwj xeeb tshaj yog haum rau cov txheej txheem nyuaj, me me -batch customized Cheebtsam, thiab cov qauv piv txwv uas yuav tsum tau ceev rov qab xyuas dua. Nkag siab txog cov txheej txheem ua tiav ntawm 3D- luam tawm aluminium alloys pab cov tuam txhab ntsuas kev siv tau zoo ntawm cov thev naus laus zis no hauv lawv cov khoom tsim khoom.

Cov txheej txheem tseem ceeb ntawm 3D- luam tawm aluminium alloys yog raws li hauv qab no:

Ua ntej, kev tshaj lij 3D qauv software xws li SolidWorks lossis AutoCAD yog siv los tsim cov qauv ntawm peb - qhov loj me ntawm qhov yuav tsum tau muaj aluminium alloy. Cov qauv no yuav tsum ua tib zoo xav txog yam xws li cov duab, qhov ntev, thiab cov qauv sab hauv kom ntseeg tau tias qhov kawg ntawm cov ntawv luam tawm raws li cov kev xav tau tiag tiag.

Nyob rau theem no, cov neeg tsim qauv feem ntau kuj tseem muaj peev xwm ua kom muaj kev ywj pheej tsim los ntawm kev tsim khoom ntxiv thiab muab cov topology optimization algorithms los ua cov qauv tsim qauv ntawm cov khoom. Cov khoom siv tsis tsim nyog raug tshem tawm thaum lub tshuab ua haujlwm tau zoo, yog li txo qhov hnyav ntxiv thiab txuag lub sijhawm luam ntawv thiab cov nqi khoom siv. Tsis tas li ntawd, cov qauv tsim yuav tsum ua tib zoo xav txog qhov kev xaiv ntawm kev tsim kev taw qhia, kev tsim qauv ntawm kev txhawb nqa, thiab cov nyiaj pub dawb rau kev ua haujlwm tom ntej. Tsim kev taw qhia tsis yog tsuas yog cuam tshuam rau qhov zoo ntawm qhov chaw thiab qhov tseeb qhov tseeb tab sis kuj ncaj qha txiav txim siab cov khoom siv txhawb nqa thiab qhov nyuaj ntawm kev kho saum npoo tom qab tshem tawm kev txhawb nqa. Rau qhov loj me me uas xav tau kev sib dhos haum lossis kev ua haujlwm tom ntej, cov neeg tsim qauv feem ntau khaws cov nyiaj ua haujlwm ntawm kwv yees li 0.2-0.5 hli kom qhov kev ua siab ntev zaum kawg tuaj yeem ua tiav los ntawm kev ua tiav hauv kev tshaj tawm - theem ua tiav.

Qhov ua tiav peb- qauv qauv yog raug xa mus rau hauv cov khoom siv slicing uas nrog cov cuab yeej luam ntawv 3D. Lub slicing software ua txheej txheej - los ntawm - txheej txheej ntawm cov qauv raws li cov qauv kev ua haujlwm thiab cov kev xav tau ntawm lub tshuab luam ntawv 3D, tsim ib cov ntaub ntawv ntawm ob- qhov loj me. Cov ntaub ntawv no txhais txoj kev tso nyiaj, thickness, thiab lwm yam ntaub ntawv rau txhua txheej ntawm aluminium alloy khoom.

Tshaj li cov txheej txheem yooj yim, cov slicing software ua ntau yam haujlwm tseem ceeb ntawm theem no. Ua ntej yog lub cim tsis siv neeg thiab kev ua kom zoo ntawm cov qauv kev txhawb nqa: rau overhanging lossis steeply inclined seem ntawm tus qauv, software ntse xam thiab ntxiv cov kev txhawb nqa tsim nyog uas ua kom muaj kev ruaj ntseg thaum luam ntawv thaum txo qis kev txhawb nqa ntim kom txo tau qhov nyuaj ntawm kev tshem tawm tom qab thiab cov khoom pov tseg. Qhov thib ob yog qhov teeb tsa ntawm cov tswv yim scanning, suav nrog cov kab ke thiab kev taw qhia ntawm contour ciam teb scanning thiab sab hauv sau scanning; Cov kev txwv no ncaj qha cuam tshuam rau qhov seem ntawm kev ntxhov siab nyob hauv ib feem thiab nws cov khoom siv tshuab kawg. Tsis tas li ntawd, cov slicing software yuav tsum teeb tsa cov txheej txheem thickness tsis raws li cov khoom siv. Cov khaubncaws sab nraud povtseg feem ntau ua rau muaj qhov tseeb thiab qhov zoo ntawm qhov chaw tab sis txuas ntxiv lub sijhawm luam ntawv, yog li yuav tsum muaj qhov sib npaug ntawm qhov yuav tsum tau ua thiab kev ua haujlwm ntau lawm.

Aluminium alloy 3D luam ntawv feem ntau siv cov hmoov txhuas alloy ua raw khoom. Cov hmoov no yuav tsum muaj cov dej ntws zoo, cov khoom sib txawv me me, thiab lwm yam ntxwv kom ntseeg tau tias kev xa khoom zoo thiab sintering thaum lub sijhawm luam ntawv.

Tam sim no, aluminium alloy hmoov qib feem ntau siv hauv kev lag luam feem ntau suav nrog AlSi10Mg, AlSi7Mg, thiab qee qhov siab - zog aluminium alloy tshuab (xws li Al-Cu series thiab Al{4}}Sc-Zr series aluminium alloy hmoov). Ntawm lawv, AlSi10Mg, nrog nws cov kev ua tau zoo tag nrho thiab cov txheej txheem kev paub tab, tam sim no yog qib siv dav tshaj plaws. Nws muaj castability zoo heev thiab ruaj khov txhua yam khoom, ua rau nws zoo heev rau luam ntawv nyias -walled thiab complex structural qhov chaw. Hmoov sphericity feem ntau yuav tsum tau tshaj 95%, thiab particle loj faib feem ntau tswj nyob rau hauv thaj tsam ntawm 15-53 μm; cov hmoov uas ntxhib dhau los yog zoo heev yuav cuam tshuam cov hmoov sib kis zoo sib xws thiab ua kom zoo. Tsis tas li ntawd, aluminium alloy hmoov tau yooj yim nqus dej noo thiab muaj qee yam ntawm cov nplaim taws. Thaum lub sijhawm khaws cia thiab siv, cov av noo nyob ib puag ncig yuav tsum tau tswj hwm nruj thiab cuam tshuam kev tawg- thiab hluav taws- yuav tsum ntsuas kev tiv thaiv. Qhov no yog qhov tseem ceeb tshwj xeeb rau kev tswj hwm kev nyab xeeb hauv aluminium alloy 3D luam ntawv piv nrog rau kev luam ntawv ntawm lwm cov hlau.

Cov hmoov sib kis: Cov hmoov- kis tau cov cuab yeej ntawm cov cuab yeej luam ntawv sib npaug sib npaug ntawm txheej nyias ntawm aluminium alloy hmoov rau ntawm lub platform tsim.

Laser sintering: Ib lub computer- tswj laser beam xaiv sinters cov hmoov txheej txheej raws li txoj kev txiav txim los ntawm cov ntaub ntawv hlais. Lub zog laser melts sai sai thiab solidifies cov hmoov hais nyob rau hauv lub zos cheeb tsam, yog li tsim lub peb -dimensional khoom sib thooj rau cov qauv txheej los ntawm txheej.

Txheej -los ntawm- txheej tsub zuj zuj: Cov kauj ruam ntawm cov hmoov sib kis thiab laser sintering yog rov ua dua, sintering aluminium alloy hmoov ua ke txheej tom qab txheej kom txog thaum tag nrho cov khoom luam tawm.

Hauv kev tsim khoom tiag tiag, cov txheej txheem tsim muaj ntau cov ntsiab lus uas xav tau kev tswj xyuas meej. Vim hais tias txhuas alloys muaj cov laser reflectivity thiab thermal conductivity, aluminium alloy hmoov yog feem ntau ua rau balling, porosity, thiab lwm yam tsis xws luag thaum lub sij hawm tsim dua cov ntaub ntawv xws li titanium alloys los yog stainless hlau. Cov khoom lag luam yog li no feem ntau yuav tsum tau tshwj xeeb kom ua kom zoo dua ntawm cov txheej txheem tsis sib xws - laser zog, scanning ceev, hatch spacing, thiab lwm yam.-rau txhuas alloys. Tag nrho cov txheej txheem tsim yuav tsum tau ua nyob rau hauv lub kaw chamber tiv thaiv los ntawm ib tug inert roj xws li argon, nrog rau cov pa oxygen cov ntsiab lus nruj me ntsis tswj nyob rau hauv ib tug tsawg kawg nkaus theem (feem ntau qis dua 100 ppm) los tiv thaiv cov reactive txhuas hmoov los ntawm oxidizing los yog txawm tawg nyob rau hauv high kub. Tsis tas li ntawd, lub platform tsim yog feem ntau me ntsis preheated kom txo tau cov residual stresses tshwm sim los ntawm ntau tshaj kub gradients nyob rau hauv ib feem thiab kom txo qhov tshwm sim ntawm warping thiab deformation thaum luam ntawv.

Tom qab luam ntawv tiav lawm, ib feem yuav xav tau qee qhov kev tshaj tawm - kev ua haujlwm, xws li tshem tawm cov hmoov seem ntawm qhov chaw, sib tsoo, polishing, thiab lwm yam kev kho mob los txhim kho qhov zoo thiab raug. Kev kho cua sov thiab lwm yam txheej txheem kuj tseem tuaj yeem siv los txhim kho kev ua tau zoo ntawm cov khoom siv aluminium alloy.

Tshwj xeeb tshaj yog, tshaj tawm -kev ua tiav ntawm aluminium alloy 3D- cov khoom luam tawm feem ntau suav nrog cov kauj ruam hauv qab no. Ua ntej yog hmoov tshem tawm thiab kev txhawb nqa tshem tawm: cov hmoov seem uas tsis tau yaj hauv cov kab sab hauv thiab ntawm qhov chaw yuav tsum tau muab ntxuav kom huv si, thiab cov qauv kev txhawb nqa ntxiv thaum luam ntawv yuav tsum raug tshem tawm. Cov kauj ruam no yog tshwj xeeb tshaj yog ib qho tseem ceeb rau cov khoom uas muaj cov kab noj hniav nyob rau hauv complex thiab feem ntau yuav tsum tau tshwj xeeb cov cuab yeej xws li kev co hmoov tshem tawm thiab airflow purging. Qhov thib ob yog kev kho cua sov, suav nrog kev ntxhov siab-relief annealing and solution aging treatment. Kev ntxhov siab-relief annealing feem ntau yog siv los tshem tawm cov kev ntxhov siab uas tshwm sim thaum luam ntawv thiab tiv thaiv kom tsis txhob deformation lossis tawg thaum siv tom ntej lossis machining. Rau cov qib xws li AlSi10Mg, kev kho kev laus tuaj yeem ua kom zoo dua cov qauv nplej thiab txhim kho cov khoom siv zog thiab ductility, nqa cov cuab yeej cuab tam los ze zog los yog ntau dua cov tsoos tuag- nrum txhuas alloy qhov chaw. Tsis tas li ntawd, rau kev thauj khoom tseem ceeb-cov kabmob uas yuav tsum tau muaj qhov ceev, kub isostatic nias (HIP) yuav ua tau; qhov siab -kub, siab- ib puag ncig siab tshem tawm cov kab mob porosity hauv microscopic thiab ntxiv dag zog rau kev ua haujlwm qaug zog. Thaum kawg, raws li kev thov tshwj xeeb ntawm ib feem, kev siv tshuab ua haujlwm, sandblasting, anodizing, txheej, thiab lwm yam kev kho saum npoo yog siv los ua kom tau raws li qhov yuav tsum tau muaj rau qhov raug qhov tseeb, zoo li qub, lossis kev ua haujlwm tshwj xeeb (xws li hnav tsis kam, rwb thaiv tsev, lossis kev zoo nkauj).

Hauv kev txiav txim siab xaiv tiag tiag, cov lag luam feem ntau yuav tsum hnyav 3D- luam tawm aluminium alloys tiv thaiv cov tsoos tuag- txheej txheem casting. Traditional tuag casting muaj tus nqi tseem ceeb hauv kev ua haujlwm siab - ntim ntau lawm; chav tsev nqi txo sai heev thaum ntim nce. Txawm li cas los xij, nws yuav tsum tau tsim cov pwm tshwj xeeb hauv cov theem pib. Pwm tsim thiab tsim khoom feem ntau siv sijhawm ob peb lub lis piam lossis ntau lub hlis, thiab txhua qhov kev hloov pauv feem ntau txhais tau tias tshem tawm cov pwm thiab rov ua lag luam. Hauv qhov sib piv, 3D- luam tawm aluminium alloys yuav tsum tsis muaj pwm txhua; ib zaug cov ntaub ntawv tsim tau lees paub, luam ntawv tuaj yeem pib ncaj qha. Nws yog qhov tshwj xeeb tshaj yog tsim nyog rau kev soj ntsuam sai sai thaum lub sij hawm tsim khoom tshiab thiab rau kev tsim cov khoom tsawg- ntim, complex, lossis customized qhov chaw uas nyuaj rau tsim nyob rau hauv ib kauj ruam los ntawm kev tuag casting. Nyob rau tib lub sijhawm, 3D luam ntawv tuaj yeem paub txog txoj hauv kev sib txawv hauv cov dej ntws, lattice, thiab cov qauv hollow uas nyuaj rau kev ua tiav nrog kev tuag casting, muab qhov chaw tsim ntau dua rau cov khoom sib sib zog nqus thiab ua haujlwm sib koom ua ke.

Leveraging nws qhov zoo nyob rau hauv lub teeb yuag thiab tsim kev ywj pheej, 3D- luam tawm aluminium alloy technology twb pom cov tswv yim siv nyob rau hauv ntau yam teb. Nyob rau hauv aerospace, aluminium alloy 3D luam ntawv yog dav siv los tsim UAV cov khoom siv, satellite brackets, thiab lwm yam khoom siv nrog hnyav hnyav - yuav tsum tau txo. Hauv kev tsim tsheb, kev khiav haujlwm nyuaj-channel qhov chaw xws li cov khoom noj khoom haus thiab dej- lub tsho tiv no rau kev sib tw thiab siab - cov tsheb ua tau zoo tau nce zuj zus los ntawm kev sib xyaw ua ke ntawm aluminium alloy 3D luam ntawv, uas ua rau luv luv txoj kev loj hlob thiab ua kom txaus - channel optimization tsim uas cov txheej txheem ib txwm ua tsis tau. Hauv kev lag luam ntawm cov khoom siv hluav taws xob thiab kev tswj xyuas thermal, cov thermal conductivity zoo ntawm aluminium alloys ua ke nrog cov cua sov nyuaj-dissipation fins thiab biomimetic flow-channel cov qauv uas 3D luam ntawv tuaj yeem paub tau dav siv hauv kev tsim cov dab dej kub thiab cov vapor chambers rau siab -cov khoom siv hluav taws xob ua tau zoo. Tsis tas li ntawd, nyob rau hauv kev tsim pwm, aluminium alloy 3D luam ntawv yog siv los tsim pwm inserts nrog conformal cua txias raws, zoo shortening txias lub sij hawm nyob rau hauv txhaj tshuaj molding los yog tuag-casting ntau lawm thiab txhim kho ntau lawm efficiency.

Los ntawm kev sib koom ua ke ntawm cov qauv tsim, kev ua cov ntaub ntawv, kev npaj cov khoom siv, luam ntawv / kev tsim, thiab xa tawm - ua, 3D- luam tawm aluminium alloy technology muab txoj hauv kev ua tau zoo thiab hloov tau yooj yim rau kev tsim khoom ntawm lub teeb yuag, complex- qauv aluminium alloy qhov chaw. Piv nrog rau cov tsoos tuag-casting thiab machining txheej txheem, lub tshuab no qhia tau hais tias zoo tshwj xeeb hauv kev tsim kev ywj pheej, kev loj hlob voj voog, thiab me me -batch customized ntau lawm. Txawm hais tias cov kev sib tw tseem nyob hauv siab -cov nqi tsim khoom thiab qee cov txheej txheem kev tswj kom paub meej, nrog kev poob qis hauv cov khoom siv aluminium alloy cov nqi thiab kev txhim kho tsis tu ncua ntawm cov txheej txheem tsis tu ncua, 3D-cov ntawv txhuas txhuas yuav tsum ua tiav ntau dua thiab sib sib zog nqus kev siv hauv aerospace, automotive manufacturing, electronic thermal tswj, thiab ntau lwm yam.