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Hasung ndi katswiri wopanga makina osungunula zitsulo zamtengo wapatali.

Kodi pali kusiyana kotani pakugwira ntchito kwa makina osungunula golide posungunula zitsulo zosiyanasiyana?

M'mafakitale ambiri monga zitsulo ndi zodzikongoletsera, makina osungunula amagwira ntchito yofunika kwambiri. Chifukwa cha mawonekedwe ake apadera akuthupi ndi mankhwala, zitsulo zosiyanasiyana zimawonetsa kusiyana kwakukulu zikasungunuka kudzera pamakina osungunuka. Kumvetsetsa kusiyana kumeneku ndikofunikira kwambiri pakuwongolera njira zosungunulira, kukonza bwino kapangidwe kazinthu, komanso kukulitsa mtundu wazinthu.

Kodi pali kusiyana kotani pakugwira ntchito kwa makina osungunula golide posungunula zitsulo zosiyanasiyana? 1

1.Kuwunika kwa Common Melting Metal Characteristics

 

(1) Golide

Golide ndi chitsulo chokhala ndi ductility chabwino komanso kukhazikika kwamankhwala, ndi malo osungunuka kwambiri a 1064.43 ℃. Golide ali ndi mtundu wa golide ndi mawonekedwe ofewa, ndipo amagwiritsidwa ntchito kwambiri m'madera apamwamba monga zodzikongoletsera ndi zamagetsi. Chifukwa cha mtengo wake wapamwamba, zofunikira zokhwima zimayikidwa pa chiyero ndi kutayika panthawi ya smelting.

(2) Siliva

Malo osungunuka a siliva ndi 961.78 ℃, otsika pang'ono kuposa golide. Ili ndi ma conductivity abwino kwambiri komanso matenthedwe amafuta, ndipo imagwiritsidwa ntchito kwambiri m'makampani komanso kupanga zodzikongoletsera. Siliva ali ndi mphamvu zogwira ntchito zamakemikolo ndipo amakonda kuyankha ndi okosijeni mumlengalenga akamasungunuka, kupanga ma oxides.

(3) Mkuwa

Malo osungunuka amkuwa ndi pafupifupi 1083.4 ℃, ndipo ali ndi madulidwe abwino, matenthedwe amafuta, komanso makina. Amagwiritsidwa ntchito kwambiri m'magawo monga mafakitale amagetsi, kupanga makina, ndi zomangamanga. Mkuwa umakonda kuyamwa mpweya monga hydrogen panthawi yosungunuka, zomwe zimakhudza ubwino wa castings.

(4) Aluminiyamu aloyi

Aluminiyamu aloyi ndi mtundu womwe amagwiritsidwa ntchito kwambiri pazitsulo zopanda chitsulo zosapanga dzimbiri, zomwe zimasungunuka pakati pa 550 ℃ ndi 650 ℃, zomwe zimasiyanasiyana kutengera kapangidwe ka aloyi. Aluminiyamu aloyi ali otsika kachulukidwe, koma mkulu mphamvu ndi zabwino dzimbiri kukana. Njira yosungunulira imafunikira kuwongolera mosamalitsa gawo la zinthu za aloyi ndi kutentha kosungunuka.

2.Mfundo yogwira ntchito ndi zipangizo zamakono za makina osungunuka ndi mphamvu zawo pa kusungunuka

Makina osungunula nthawi zambiri amagwiritsa ntchito mfundo ya electromagnetic induction kuti apange zinthu zachitsulo zomwe zimagwiritsidwa ntchito popanga maginito. Kutentha kwa Joule komwe kumapangidwa ndi pano kumatentha kwambiri ndikusungunula chitsulo. Magawo aukadaulo monga mphamvu ndi kuchuluka kwa makina osungunuka amatenga gawo lalikulu pakusungunuka kwazitsulo zosiyanasiyana.

(1) Mphamvu

Mphamvu yokwera kwambiri, makina osungunuka amatulutsa kutentha kwambiri pa nthawi ya unit, ndipo zitsulo zimatenthedwa mofulumira, zomwe zingapangitse kusungunuka bwino. Kwa zitsulo monga golidi ndi mkuwa zokhala ndi malo osungunuka kwambiri, makina osungunuka amphamvu kwambiri amafunika kuti azitha kusungunuka mofulumira. Komabe, pazitsulo za aluminiyamu zomwe zimakhala ndi malo otsika osungunuka, mphamvu zambiri zingayambitse kutentha kwa m'deralo, zomwe zimakhudza kufanana kwa aloyi.

(2) pafupipafupi

Kuchulukana kumakhudza kwambiri kulowa mkati mwa zitsulo zamakono. Makina osungunula pafupipafupi ndi oyenera kusungunula zitsulo zazing'ono, zokhala ndi mipanda yopyapyala kapena zinthu zomwe zimafuna kuthamanga kwambiri, chifukwa mafunde othamanga kwambiri amakhazikika pazitsulo ndipo amatha kutentha chitsulo mwachangu. Kuzama kwamakono kwa makina osungunuka otsika kwambiri ndikokulirapo, kuwapangitsa kukhala oyenera kusungunula zitsulo zazikulu zazikuluzikulu. Mwachitsanzo, posungunula zidutswa zazikulu za golide, kuchepetsa kusinthasintha moyenera kumatha kugawa kutentha mofanana mkati mwachitsulo, kuchepetsa kutenthedwa kwapamwamba ndi okosijeni.

3.Kusiyana kwa magwiridwe antchito a makina osungunula golide posungunula zitsulo zosiyanasiyana

(1) Liwiro losungunuka

Chifukwa cha kusungunuka kwake kwakukulu, golidi ali ndi kusungunuka pang'onopang'ono pansi pa mphamvu ndi mikhalidwe yomweyo. Aluminiyamu alloy ali ndi malo otsika osungunuka ndipo amatha kufika mofulumira kutentha kusungunuka mu makina osungunuka, ndi liwiro losungunuka kwambiri kuposa golide. Liwiro losungunuka la siliva ndi mkuwa liri pakati pa ziwirizi, kutengera mphamvu ya makina osungunuka ndi momwe chitsulo chimayambira.

(2) Kuwongolera koyera

Pakusungunula golide, chifukwa cha mtengo wake wapamwamba, chiyero chapamwamba kwambiri chimafunika. Makina apamwamba osungunula golide amatha kuchepetsa kusakanikirana kwa zonyansa ndikuwonetsetsa chiyero cha golidi kudzera pakuwongolera kutentha ndi ntchito yamagetsi yamagetsi. Mosiyana ndi zimenezi, siliva amakonda kutulutsa okosijeni panthawi yosungunula. Ngakhale makina osungunula golide amatha kuchepetsa oxidation podzaza mipweya ya inert muchipinda chosungunula, kumakhala kovuta kwambiri kuwongolera chiyero kuposa golide. Vuto la kuyamwa kwa gasi panthawi ya smelting ya mkuwa ndilodziwika kwambiri, ndipo njira zowonongeka ziyenera kuchitidwa kuti zitsimikizire chiyero, mwinamwake zidzakhudza makina a castings. Pamene zotayidwa aloyi kusungunuka, kuwonjezera kulamulira kuwotcha imfa aloyi zinthu kuonetsetsa zikuchokera molondola, m'pofunikanso kupewa mayamwidwe mpweya ndi slag kuphatikizidwa, ndi zofunika kusungunula zipangizo ndi njira ndi okhwima kwambiri.

(3) Kugwiritsa ntchito mphamvu

Nthawi zambiri, zitsulo zokhala ndi malo osungunuka kwambiri zimawononga mphamvu zambiri panthawi yosungunuka. Chifukwa cha kusungunuka kwawo kwakukulu, golidi ndi mkuwa zimafuna kutentha kosalekeza kuchokera ku makina osungunuka panthawi yosungunuka, zomwe zimapangitsa kuti pakhale mphamvu zambiri. Ndipo zitsulo zotayidwa zimakhala ndi malo otsika osungunuka, zomwe zimafuna mphamvu zochepa kuti zifike pamtunda wosungunuka, komanso zimakhala ndi mphamvu zochepa. Kugwiritsa ntchito mphamvu kwa siliva kuli pamlingo wapakatikati. Koma kugwiritsa ntchito mphamvu zenizeni kumakhudzananso ndi zinthu monga mphamvu ya makina osungunuka ndi kuchuluka kwa kusungunuka. Makina osungunula ogwira ntchito komanso opulumutsa mphamvu amagwira ntchito yofunika kwambiri pochepetsa kugwiritsa ntchito mphamvu pakusungunula zitsulo zosiyanasiyana.

(4) Zida kuvala ndi kung'ambika

Kutayika kwa makina osungunula kumasiyananso pamene kusungunula zitsulo zosiyanasiyana. Golide ali ndi mawonekedwe ofewa ndipo amachititsa kuvala kochepa pa crucible ndi zigawo zina za makina osungunuka. Mkuwa uli ndi kuuma kwakukulu, komwe kumayambitsa kukokoloka kwakukulu ndi kuvala pa crucible panthawi yosungunuka, zomwe zimafuna zipangizo zolimba kwambiri. Aluminiyamu alloy akasungunuka, chifukwa cha mankhwala ake, amatha kukumana ndi zinthu zina zamakina ndi crucible material, kufulumizitsa kuvala kwa crucible. Choncho, m'pofunika kusankha mwapadera dzimbiri zosagwira crucible.

4.Mapeto

Magwiridwe a makina osungunula amasiyana kwambiri pakusungunuka kwa zitsulo zosiyanasiyana, kuphatikizapo zinthu zambiri monga kuthamanga kwachangu, kuwongolera chiyero, kugwiritsa ntchito mphamvu, ndi kutaya zipangizo. Kusiyana kumeneku makamaka kumachokera ku thupi ndi mankhwala a zitsulo zosiyanasiyana ndi magawo aukadaulo a makina osungunuka okha. Pochita ntchito, mabizinesi ndi akatswiri akuyenera kusankha mtundu ndi magawo ogwirira ntchito a makina osungunula molingana ndi mtundu ndi zosowa zenizeni za chitsulo chosungunuka, ndikupanga njira zofananira zosungunuka kuti akwaniritse njira zosungunulira zitsulo zogwira mtima, zapamwamba komanso zotsika mtengo. Ndi kupita patsogolo kosalekeza kwaukadaulo, ukadaulo wamakina osungunula nawonso ukungopanga zatsopano komanso kutukuka. M'tsogolomu, zikuyembekezeka kupititsa patsogolo kusungunuka kwa zitsulo zosiyanasiyana ndikukwaniritsa kufunikira kokulirapo kwazitsulo m'magawo ambiri.

chitsanzo
Kodi mabizinesi amtengo wapatali opangira zitsulo amasankha bwanji makina opangira golide ndi siliva apamwamba kwambiri?
Kodi flux ya golide imagwiritsidwa ntchito chiyani pamakampani osungunula golide?
Ena
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Kudziwa kwathu kwamphamvu muukadaulo wakuponya vacuum kumatithandizanso kuti tizitha kutumikira makasitomala akumafakitale kuponya chitsulo chapamwamba kwambiri, vacuum yayikulu yofunika platinamu-rhodium alloy, golide ndi siliva, ndi zina zambiri.

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