Kodi makina oponyera a vacuum ingot amapanga bwanji ma ingot "abwino kwambiri" agolide ndi siliva?

Golide ndi siliva zakhala zizindikiro za chuma, kusunga mtengo ndi moyo wapamwamba kuyambira nthawi zakale. Kuyambira kuzinthu zakale zagolide mpaka golide wamakono wamalonda, anthu sanasiye kuwatsata. Koma kodi munayamba mwaganizapo za kusiyana pakati pa zopangira zopangira golide wapamwamba kwambiri ndi zodzikongoletsera zagolide wamba? Yankho lagona pa “chiyero” ndi “umphumphu”. Chinsinsi chokwaniritsa chiyero chachikulu ndi chipangizo chapamwamba kwambiri chotchedwa " vacuum ingot casting machine ". Ikukonza mwakachetechete njira yopangira zitsulo zamtengo wapatali ndikutulutsa m'badwo watsopano wa zolowa.

1.N'chifukwa chiyani golide ndi siliva kuponyera kumafunikanso "vacuum" chilengedwe?

Kuponyera ng'anjo yachikhalidwe kumawoneka kosavuta, koma kumabisala mavuto ambiri. Chilengedwe cha vacuum chabweretsa kusintha kwa golide ndi siliva:

(1) Chotsani ma pores ndi ma shrinkage pores

Vuto lachikhalidwe: Golide wosungunuka ndi siliva amayamwa kuchuluka kwa haidrojeni ndi okosijeni kuchokera mumlengalenga. Chitsulo chosungunukacho chikazizira mu nkhungu, mpweya umenewu umathamanga, kupanga pores ndi thovu zomwe zimawonekera ndi maso kapena zobisika mkati. Izi sizimangokhudza maonekedwe, komanso zimachepetsanso kachulukidwe ndipo zimakhala zofooka mu dongosolo. Yankho la vacuum: M'malo opanda mpweya, mpweya wachitsulo chosungunuka umachotsedwa bwino, ndipo ingot imakhala wandiweyani komanso yunifolomu pambuyo pozizira, kuchotsa ma pores ndikuwonetsetsa kuti thupi lake likuyenda bwino.

(2) Fikirani kuponya kopanda mpweya kuti muchotse okosijeni ndi kutayika

Vuto lachikale: Siliva imasungunuka mosavuta ikasungunuka mumlengalenga, kupanga okusayidi wakuda wakuda pamwamba, zomwe zimapangitsa kuti zisawonongeke komanso kuzimiririka. Ngakhale golide wokhazikika kwambiri amatha kuchitapo kanthu ndi okosijeni pakatentha kwambiri.

Vacuum solution: Malo opanda mpweya amalanda mpweya, kuonetsetsa kuti golide ndi siliva zili "zoyera kwambiri" panthawi yonseyi kuyambira kusungunuka mpaka kulimba. Pamwamba pa ingot ndi yosalala ngati galasi, ndipo kuwala konyezimira kwachitsulo komweko kumatha kuwonetsedwa popanda kukonza zovuta. Ma ingots a siliva amatha kuwonetsa mawonekedwe oyera owala osayerekezeka.

(3) Onetsetsani kulondola kotheratu ndi kufanana kwa kalembedwe

Vuto lachikale: Mukaponyera golide wa K kapena ma aloyi ena (monga ma aloyi agolide ndi siliva), kuyaka kwa zinthu zina zokhala ndi okosijeni mosavuta (monga zinki ndi mkuwa) kumabweretsa kupatuka, zomwe zimakhudza mtundu ndi kuuma kwake.

Vacuum solution: Kusungunula kwa vacuum kumayang'anira kusinthasintha kwa zinthu, kuwonetsetsa kuti kung'ung'udza kwa ingot iliyonse ndi yolondola, zomwe ndizofunikira kwambiri pazitsulo zamtengo wapatali zogulira ndalama, pomwe zabwino zake ziyenera kutsimikiziridwa mosamalitsa.

(4) Amapereka mawonekedwe apamwamba osayerekezeka

Chifukwa palibe oxides kapena slag, pamwamba pa vacuum-cast golide ndi siliva ingots ndi yosalala kwambiri, ndi mawonekedwe omveka bwino ndi "galasi zotsatira". Izi zimachepetsa kwambiri njira zotsatiridwa ndi kupukuta ndi kukonza, ndipo posindikiza mwachindunji machitidwe ndi malemba, kumveka bwino ndi kukongola kumakhala kopambana kwambiri kuposa miyambo yachikhalidwe.

2. Njira Yolondola Yoponyera Golidi ndi Siliva Ingots Pogwiritsa Ntchito Vacuum Ingot Caster

Makina oponyera vacuum ingot amapanga "malo obadwira" abwino kwambiri opangira zitsulo zamtengo wapatali:

Gawo 1: Kukonzekera Mosamala

Zida zopangira golidi / siliva zoyenelera kapena ma alloys opangidwa amayikidwa mu crucible yamkuwa yoziziritsidwa ndi madzi (yofanana ndi nkhungu) mkati mwa ng'anjo.

Gawo 2: Kupanga Vacuum

Tsekani chitseko cha ng'anjo ndikuyambitsa pampu ya vacuum kuti muchotse mpweya m'chipinda chang'anjo, ndikupanga mpweya wopanda okosijeni.

Gawo 3: Kusungunula mwatsatanetsatane

Yambani kusungunuka kwa vacuum induction. Ma coil okwera kwambiri amatulutsa mafunde akulu kwambiri mkati mwachitsulo, zomwe zimapangitsa kuti zisungunuke mwachangu komanso mofanana. Njira yonseyi ili ngati kutentha ndi "mphamvu yosaoneka," kuchotsa kuipitsidwa kulikonse kwakunja.

Khwerero 4: Kujambula ndi Kulimbitsa

Pambuyo posungunuka, ng'anjoyo imatha kupendekeka kapena kusungunula kutha kutsanuliridwa mu nkhungu yokonzedweratu yokonzedweratu. Pansi pa vacuum yosalekeza, chisungunukocho chimazizira pang'onopang'ono ndikulimba molunjika.

Khwerero 5: Wangwiro M'ng'anjo

Kuziziritsa kutatha, ng'anjoyo imadzazidwa ndi mpweya wa inert (monga argon) kuti ubwerere ku mphamvu yachibadwa. Tsegulani chitseko cha ng'anjo, ndipo ingot ya golidi kapena siliva yokhala ndi zitsulo zonyezimira zonyezimira komanso zowoneka bwino, zofananira zimabadwa.

3. Mtengo wa Vacuum-Cast Gold ndi Silver Ingots: Ndani Akuzifuna?

Zingwe zagolide ndi siliva zoponyedwa pogwiritsa ntchito njira zapamwambazi zimathandizira magawo omwe amafunikira kwambiri mumtundu:

Minti yapadziko lonse ndi zoyenga zapamwamba: Zogwiritsidwa ntchito ngati zopanda kanthu pandalama zagolide ndi siliva (monga ndalama za Panda ndi Eagle Dollar), komanso golide ndi siliva wamtengo wapatali. Khalidwe lawo lopanda cholakwa ndi chitsimikizo cha kukhulupirika ndi mtengo.

Zodzikongoletsera zapamwamba komanso zopangidwa zapamwamba: Zogwiritsidwa ntchito ngati zopangira zodzikongoletsera komanso mawotchi apamwamba ndi zibangili. Ma ingots angwiro amachepetsa kuwonongeka kwa kukonza ndikuwonetsetsa kuti chinthu chomaliza chimakhala chapamwamba kwambiri.

Mabungwe azandalama ndi osunga ndalama otsika mtengo: Mavacuum-cast ingots amayimira "zapamwamba" zazitsulo zamtengo wapatali, zomwe zimapereka kukhulupirika kwakukulu komanso ndalama zakunja, zomwe zimawapangitsa kukhala chuma chamtengo wapatali pakugawika kwazinthu.

Mafakitale ndi matekinoloje: Amagwiritsidwa ntchito muzochitika zapadera zomwe zimafuna zinthu zoyera kwambiri, zodalirika kwambiri za golide ndi siliva, monga mawaya a semiconductor bonding, ma contact electronic olondola, ndi zina zotero.

4.Mapeto: Osati teknoloji yokha, komanso kudzipereka

Kugwiritsa ntchito makina opopera vacuum m'makampani azitsulo zamtengo wapatali kwadutsa ukadaulo wamba. Iwo amaimira kufunafuna kotheratu kwa chiyero, kudzipereka kwamtengo wapatali, ndi kuganizira mozama za cholowa.

Mukakhala ndi golide kapena ndalama zasiliva zopangidwa pogwiritsa ntchito umisiri wa vacuum kuponyera, mumamva osati kulemera kwachitsulo chamtengo wapatali komanso ungwiro ndi chidaliro kuti luso lamakono lalowetsa mu chuma cha zaka zikwi zambiri. Zimapanga maziko a chidaliro chomwe chidzapiriredi ku mibadwo yotsatira.

Mutha kulumikizana nafe m'njira izi:

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