Anodizing Tuag Cast Aluminium Alloys

Khoom Paub meej

Aluminium alloy tuag-casting muaj ib qho zoo li tsis muaj kev kho saum npoo thiab nws yog qhov ua rau corrosion nyob rau hauv huab cua ntub. Nws yog ib qho nyuaj rau ua tau raws li qhov yuav tsum tau ntawm kev kho kom zoo nkauj siab thiab muaj zog huab cua tsis kam ntawm cov khoom siv hauv tsev. Txhawm rau txhim kho cov nyhuv zoo nkauj, txhim khu kev tiv thaiv corrosion thiab txuas ntxiv lub neej kev pab cuam, aluminium alloy Tuag casting feem ntau yuav tsum tau kho deg anodizing. Ntau lub tsev, cov khoom siv txhuas txhua hnub, cov khoom siv kho kom zoo nkauj, cov khoom siv rooj tog, thiab lwm yam uas tau dai kom zoo nkauj nrog lawv zoo nkauj thiab muaj kuab heev thiab ua tau raws li cov neeg siv khoom xav tau, yog li daim ntawv thov tus nqi ntawm cov khoom siv txhuas tau nce ntau heev.

Lub hom phiaj ntawm anodizing aluminium alloy:

Txhawm rau kov yeej qhov tsis xws ntawm aluminium alloy nto hardness, hnav tsis kam, thiab lwm yam, nthuav dav ntawm daim ntawv thov, thiab txuas lub neej kev pab cuam, kev kho tshuab saum npoo tau dhau los ua ib feem tseem ceeb ntawm kev siv aluminium alloys, thiab anodizing technology yog tam sim no. feem ntau siv thiab ua tiav.

Anodizing yog dab tsi?

Anodizing yog hais txog oxidation ntawm txhuas thiab nws cov alloys ntawm lawv qhov chaw los tsim ib txheej ntawm 4-30um txhuas oxide vim qhov kev ua ntawm sab nraud tam sim no nyob rau hauv cov khoom siv electrolyte thiab cov txheej txheem tshwj xeeb, tsim ib txheej ntawm txhuas oxide ntawm lub aluminium khoom (anode). Cov txheej txheem ntawm oxidation zaj duab xis los txhim kho corrosion kuj, hnav tsis kam, kub tsis kam thiab kho kom zoo nkauj ntawm aluminium profile nto.

Vim li no, anodizing nto kev kho mob yog dav siv nyob rau hauv 3C electronics, tsheb, nkoj, khoom siv hauv tsev, aluminium profiles, lub tsev profiles, cov khoom ua si, cosmetic ntim thiab lwm yam lag luam.

Anodized ua cov ntaub ntawv

• Anodizing ntawm txhuas tuag-cam khwb cia: ib tug grey-dub oxide zaj duab xis tau thiab tuaj yeem dyed dub.
• Tuag-cam khwb cia txhuas yog ntxuav thiab passivated: tuag-cam khwb cia txhuas yog ntxuav thiab passivated kom corrosion kuj.
• Aluminium alloy anodizing: ntau xim zoo nkauj anodizing tau
• Aluminium alloy hard anodizing: Lub thickness ntawm cov zaj duab xis nyuaj anodizing tuaj yeem ncav cuag 50-150um, uas txhim kho cov khoom tawv tawv thiab muaj kev ua haujlwm zoo rwb thaiv tsev.

Vim li cas thiaj siv aluminium alloy tuag?

CNC anode-processed casings feem ntau muaj siab yields thiab zoo tsos thiab kev ntxhib los mos, tab sis lawv kim heev, yuav tsum tau ntau CNC, thiab muaj ib tug ntev ua lub voj voog. Nws yog ib qho xwm txheej ntawm tus nqi siab hauv kev sib pauv rau qhov zoo, xws li Apple series.

Siv lub xov tooj ntawm tes ua piv txwv, thaum siv CNC, nws yuav siv sijhawm ntau dua 30 feeb kom tiav qhov txiav, thiab ua ke nrog kev ua tiav, nws kwv yees tias nws yuav siv sijhawm ze li ib teev. Cov txheej txheem tuag-casting tsuas yog siv sijhawm 20 mus rau 30 vib nas this kom zoo, thiab nrog cov txheej txheem tiav, txoj haujlwm tuaj yeem ua tiav hauv 10 mus rau 20 feeb. Lub plhaub tuag-cam khwb cia yog tsim los ntawm pwm, yog li lub sijhawm ua haujlwm luv luv thiab tus nqi kuj tsawg. Txawm li cas los xij, tuag casting yog nyuaj rau anodize aluminium alloys

Vim li cas txhuas tuag-cam khwb cia nyuaj rau anodize?

Kev kho anodizing siv cov txheej txheem electrochemical. Nyob rau hauv ib qho tsim nyog electrolyte, alloy qhov chaw yog siv los ua anodes thiab stainless hlau, carbon rods los yog txhuas daim hlau yog siv los ua cathodes. Nyob rau hauv tej yam voltage thiab tam sim no tej yam kev mob, cov anodes yog oxidized, thiaj li hais tias cov nto ntawm lub workpiece yog tau. Cov txheej txheem ntawm anodizing zaj duab xis, yog li cov oxide zaj duab xis yog ntxeem tau thiab tuaj yeem nqus cov xim (sulfuric acid anodizing muaj qhov porosity zoo tshaj).

Kev txwv ntawm sulfuric acid anodizing ntawm aluminium alloy cov ntaub ntawv

1. Lub xub ntiag ntawm alloying ntsiab yuav txo qhov zoo ntawm oxide zaj duab xis. Nyob rau tib lub sijhawm, oxide zaj duab xis tau txais ntawm cov ntshiab txhuas yog tuab dua, muaj zog dua, zoo dua corrosion kuj, thiab zoo dua uniformity. Rau cov ntaub ntawv aluminium alloy, yog tias koj xav tau cov nyhuv oxidation zoo, koj yuav tsum xyuas kom meej tias cov ntsiab lus txhuas feem ntau tsis tsawg dua 95%.
2. Nyob rau hauv cov hlau, tooj liab yuav ua rau cov oxide zaj duab xis tig liab, ua kom cov electrolyte tsis zoo, thiab ua rau oxidation tsis xws luag; silicon yuav ua rau oxide zaj duab xis grey, tshwj xeeb tshaj yog thaum cov ntsiab lus siab tshaj 4.5%, qhov cuam tshuam yuav pom tseeb dua; hlau vim nws tus yam ntxwv, tom qab anodizing, nws yuav tshwm sim raws li cov pob dub.

Tuag cam khwb cia aluminium alloy

Cast aluminium alloys thiab tuag castings feem ntau muaj cov ntsiab lus silicon siab, thiab cov yeeb yaj kiab anodized yog xim tsaus. Nws yog tsis yooj yim sua kom tau txais cov xim tsis muaj xim thiab pob tshab oxide. Raws li cov ntsiab lus silicon nce, cov xim ntawm cov yeeb yaj kiab anodized hloov ntawm lub teeb grey mus rau lub teeb grey. Tsaus grey rau dub grey. Cast aluminium alloys yog li ntawd tsis haum rau anodizing.

Feem ntau siv tuag-cam khwb cia aluminium alloys tuaj yeem muab faib ua peb pawg:

• Ib qho yog aluminium-silicon alloy, feem ntau suav nrog YL102 (ADC1, A413.0, thiab lwm yam), YL104 (ADC3, A360);
• Qhov thib ob yog aluminium-silicon-tooj ​​liab alloy, feem ntau suav nrog YL112 (A380, ADC10), YL113 (A383, ADC12), YL117 (B390, ADC14);
• Qhov thib peb yog aluminium-magnesium alloy, feem ntau suav nrog 302 (5180, ADC5, ADC6).

Aluminium silicon alloy, aluminium silicon tooj liab alloy

Rau aluminium-silicon alloys thiab aluminium-silicon-tooj ​​alloys, raws li cov npe qhia, ntxiv rau txhuas, silicon thiab tooj liab yog cov khoom tseem ceeb; feem ntau, cov ntsiab lus silicon yog nyob nruab nrab ntawm 6-12%, uas feem ntau ua haujlwm los txhim kho cov kua dej ntawm cov hlau alloy thiab txo cov nyhuv ntawm shrinking pores; cov ntsiab lus tooj liab yog qhov thib ob, feem ntau ua si lub luag haujlwm ntawm kev txhim kho lub zog thiab tensile quab yuam; cov ntsiab lus hlau feem ntau yog nyob nruab nrab ntawm 0.7-1.2%, nyob rau hauv qhov piv no, cov nyhuv demoulding ntawm workpiece zoo dua; los ntawm nws Nws tuaj yeem pom los ntawm qhov muaj pes tsawg leeg uas hom alloy no tsis tuaj yeem oxidized thiab xim. Txawm hais tias desilicon oxidation yog siv, nws yog qhov nyuaj rau ua tiav cov txiaj ntsig zoo. Rau aluminium-silicon alloys lossis aluminium alloys nrog cov ntsiab lus tooj liab ntau dua, oxide zaj duab xis yog qhov nyuaj rau kev tsim, thiab cov yeeb yaj kiab tshwm sim yog tsaus, grey, thiab tsis zoo gloss.

Aluminium-magnesium alloy

Cov oxide zaj duab xis ntawm aluminium-magnesium alloy yog ib qho yooj yim rau kev tsim, qhov zoo ntawm zaj duab xis kuj zoo dua, thiab nws tuaj yeem oxidized thiab xim. Qhov no yog ib qho tseem ceeb feature uas distinguishes nws los ntawm lwm yam alloys; Txawm li cas los xij, piv nrog deformed aluminium alloys, kuj tseem muaj qee qhov tsis zoo.

1. Cov yeeb yaj kiab anodized muaj ob lub zog, thiab lub qhov hws loj thiab tsis sib xws, ua rau nws nyuaj rau kev ua kom zoo dua los tiv thaiv corrosion;
2. Magnesium muaj ib tug nyiam hardening thiab ua nkig, txo elongation, thiab ua kom kub tawg, xws li ADC5, ADC6, thiab lwm yam thaum lub sij hawm ntau lawm, vim nws qhov ntau solidification ntau thiab loj shrinkage nyiam, shrinkage thiab tawg feem ntau tshwm sim, uas cuam tshuam rau cov casting. kev ua tau zoo. Tsis tshua muaj neeg pluag, yog li ntawd, nws muaj kev txwv loj hauv nws qhov kev siv, thiab cov khoom ua haujlwm nrog cov qauv me ntsis tsis haum rau kev tsim khoom;
3. Aluminium-magnesium alloy feem ntau siv nyob rau hauv kev ua lag luam muaj complex muaj pes tsawg leeg thiab tsis tshua muaj txhuas purity. Thaum anodized nrog sulfuric acid, nws yog ib qho nyuaj rau tsim cov pob tshab tiv thaiv zaj duab xis. Nws feem ntau yog milky dawb thiab muaj xim tsis zoo. Nws yog qhov nyuaj kom ua tiav cov txiaj ntsig zoo raws li cov txheej txheem ib txwm muaj.

Raws li cov saum toj no, nws tuaj yeem pom tau tias feem ntau siv cov txhuas alloys tsis haum rau sulfuric acid anodization; Txawm li cas los xij, tsis yog txhua qhov txhuas txhuas tuag tsis tuaj yeem ua tiav lub hom phiaj ntawm oxidation thiab xim, xws li aluminium manganese cobalt alloy DM32, aluminium manganese magnesium alloy DM6, thiab lwm yam. Zoo heev tuag casting kev ua tau zoo thiab kev ua haujlwm oxidation.

Tuag Cast Aluminium Anodizing Solutions

1. Tuag castings tuaj yeem ua tiav cov qauv, npoo thiab oxidation zoo uas nyuaj rau kev ua tiav nrog forged qhov chaw, tig qhov chaw / CNC qhov chaw. Kev tsom mus rau qhov zoo ntawm cov tuag castings yog qhov tseem ceeb heev. Ib qho kev hloov me me thiab cov txheej txheem ntxaws ntxaws txiav txim siab qhov zoo ntawm cov anode. . Cov neeg tsim khoom koom nrog oxidation ntawm cov khoom tuag-casting yuav tsum tau tshawb fawb los tswj cov tshuab khiav, cov txheej txheem tuag-casting thiab cov txheej txheem tom qab ua cov pwm. Nrog rau cov txheej txheem ntawm kev tswj xyuas nruj, kev tsim cov oxidation zoo tuaj yeem ua kom ntseeg tau.
2. Tsim cov pwm khiav thiab cov rooj vag, thiab tswj cov pwm kub; vim muaj cov ntsiab lus txhuas loj ntawm cov khoom siv raw, cov dej tsis zoo, thiab kev ua haujlwm siab, cov neeg khiav dej num thiab cov rooj vag ntawm cov pwm yog tsim los ntawm cov qauv luv luv; Kev thauj cov dej yuav tsum yog Siv cov pwm kub tswj kom ntseeg tau tias qhov ntsuas kub ntawm cov pwm thiab kov yeej lub zos overcooling thiab cov cim ntws ntau dhau;
3. Thaum siv cov khoom siv raw, tsis txhob muaj kuab paug; xaiv raw cov ntaub ntawv uas tsis muaj impurity cov ntsiab lus; Thaum lub sij hawm tsim thiab siv, tshem tawm cov pa phem ntawm silicon, tooj liab, hlau thiab zinc ntsiab, uas yog, high-zoo graphite crucibles yuav tsum tau siv ib leeg thiab tsis tuaj yeem tov nrog lwm cov ntaub ntawv raw rau kev tsim khoom;
4. Cov txheej txheem tswj cov txheej txheem tuag-casting txo cov dej cim thiab cov cim dej dub; Cov kws tshaj lij tso tawm cov neeg ua haujlwm tau siv thaum lub sijhawm tuag-casting ntau lawm thiab tshuaj tsuag kev tshawb fawb los txo cov dej seem hauv pwm kab noj hniav thiab tsis txhob tuag-casting dej cim; qhov tuag-casting siab thiab ceev yog tswj los txo lub zos filling overpressure. Yooj yim rau lo rau pwm;
5. Pre-processing ntawm qhov khoob; tom qab machining, phau ntawv polishing los yog sib tsoo kom tshem tawm burrs thiab oxide txheej raws li cov khoom xav tau;
6. Kev xaiv ntawm anode nto kho Hoobkas; vim tias hauv qab txheej ntawm cov tawv nqaij tuag casting muaj qhov shrinkage thiab stains mus rau qhov sib txawv; Yog li ntawd, anode pretreatment yuav tsum tau ua raws li cov txheej txheem ntawm cov pa roj carbon monoxide, thiab cov txheej txheem yuav tsum tau hloov kho kom huv si oxide txheej rau ntawm qhov chaw ntawm casting ua ntej cov txheej txheem anode tuaj yeem nqa tawm, uas yog hais tias, cov lus pom zoo. - oxidation txheej txheem ntau lawm tsis tuaj yeem ua tau raws li cov txheej txheem oxidation ntawm tuag castings. Nws yuav tsum tau kuaj thiab tshuaj xyuas los ntawm ib lub chaw tsim khoom los xyuas qhov tsim nyog ua ntej ntau lawm.

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