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Kutaya Sera

Kutaya sera, tsopano amatchedwa Investment casting kapena precision casting, ndi njira yodulira yolondola yodulira pang'ono kapena osadula. Ndi njira yabwino kwambiri yopangira ukadaulo mumakampani oponyera molondola ndipo imagwiritsidwa ntchito kwambiri. Sikoyenera kokha kuponyera mwatsatanetsatane mitundu yosiyanasiyana ndi ma aloyi, komanso amapanga ma castings olondola kwambiri komanso apamwamba kuposa njira zina zoponyera. Ngakhale zovuta, osatentha kwambiri, ndi zojambula zovuta kuzikonza zomwe zimakhala zovuta kuziyika ndi njira zina zoponyera mwatsatanetsatane zitha kuponyedwa pogwiritsa ntchito phula lotayika bwino..

Kutaya sera (amatchedwanso Investment casting kapena precision casting) ndi ukadaulo wakale wakuponya womwe ungayambike ku miyambo yakale monga Egypt wakale ndi China wakale, ndipo imagwiritsidwabe ntchito kwambiri m'mafakitale ambiri monga kupanga zodzikongoletsera, chosema, ndi kupanga magawo olondola a makina.

Ndi chiyani

  • Kulondola kwambiri
  • Kusinthasintha kwa batch
  • Mawonekedwe ovuta
  • Aloyi zosiyanasiyana
  • Kuchita bwino pazachuma
  • Zochepa zochepa
China idataya ntchito yoponya phula

Chiyambi ndi Kukula kwa Njira Yotayika ya Sera

Njira yotaya sera yakhalapo kwa zaka masauzande ambiri, ndipo zitsanzo zoyambirira zodziwika bwino za kutayika kwa sera zotayika zimaganiziridwa kuti zidayamba kale 3700 BC pambuyo pa mayeso a chibwenzi cha carbon-14. Anapezeka m’phanga la Chuma kum’mwera kwa Isiraeli. Zitsanzo zina zoyambilira za njira yopangira ndalama ziliponso m'maiko ndi zigawo zosiyanasiyana.

M'dera lodziwika bwino la Mesopotamiya, phula lotayika linagwiritsidwa ntchito kwambiri popanga zing'onozing'ono ndi zazikulu; ku Pakistan ku South Asia, anthu apeza zithumwa zamkuwa zazaka 6,000 zopangidwa ndi njirayi. Zinthu zopangidwa ndi ukadaulo uwu zapezeka ku Egypt, Greece, East Asia, Africa, Europe ... padziko lonse lapansi.

Kutaya sera kumagwiritsidwa ntchito kupanga zabwino, zitsulo zovuta, zomwe zimagwiritsidwa ntchito m'mafakitale ndi zochitika zosiyanasiyana. Ukadaulo umenewu uyenera kuti unayambika zaka zikwi zambiri zapitazo, koma imagwirabe ntchito yofunika kwambiri pakujambula lero.

Njira Yotayira Sera

Kusintha kwa CNC

Kusintha kwa CNC

Gawo loyamba pakuponya sera yotayika limayamba ndikupanga a 3 dimensional CAD kumasulira kwa gawo loti lipangidwe, zomwe zidzagwiritsidwe ntchito kupanga aluminiyamu kufa.

Kulengedwa kwa Die

Kulengedwa kwa Die

Kufa kumapangidwa pogwiritsa ntchito kapangidwe kochokera ku CAD. Ndi mpumulo woipa wa gawo loponyedwa.

Kupanga Chitsanzo cha Sera

Kupanga Chitsanzo cha Sera

Sera, mu semi-madzimadzi, amatsanuliridwa mu ufa kuti apange chitsanzo cha sera, zomwe zimasinthidwa kuti zilole kuchepa. Njirayi imatha kubwerezedwa nthawi zambiri momwe ingafunikire malinga ndi kuchuluka kwa magawo omwe akuyenera kuponyedwa.

Mtengo wa Chitsanzo cha Sera

Mtengo wa Chitsanzo cha Sera

Mapangidwe a sera amalumikizidwa pamodzi ndi wothamanga kuti apange sprue, zomwe zitha kulumikizidwa ndi magulu ena apatani kuti apange masango. The sprue, wothamanga, ndipo zitsanzo za sera zimatchedwa mtengo.

Zomangamanga za Shell

Zomangamanga za Shell

Kupanga chipolopolo, chitsanzocho choviikidwa mu ceramic slurry, chomwe chimakwirira chitsanzocho kuti chipange chipolopolo cholimba chakunja kuzungulira pateni. Mbali imodzi ya mtengo wa sera imasiyidwa poyera kuti sera ichotsedwe.

Kuthira phula

Kuthira phula

Chigoba cholimba cha ceramic chidzakhala pomwe chitsulo chosungunuka chidzawonjezeredwa kuti chikhale gawo lomaliza. Kuti akwaniritse izi, sera mkati mwa chigoba cha ceramic iyenera kuchotsedwa, zomwe zimachitika poyika chipolopolo cha ceramic mu autoclave kapena uvuni. Monga chipolopolo cha ceramic chimatenthedwa, Sera imasungunuka ndikutuluka mu chipolopolo. Ndi gawo ili la ndondomeko yomwe imapereka sera yotayika kuponya dzina "sera yotayika".

Kupsa mtima

Kupsa mtima

Ngakhale nkhungu yadutsa njira yothira dewaxing, pangakhalebe sera yotsalira ndi chinyezi mmenemo. Kuchotsa izi extraneous zipangizo, nkhunguyo imayendetsedwa ndi njira yotopetsa, zomwe zimatenthetsa mpaka 1037 ° C kapena 1900 ° F. Komanso, sitepe iyi imathandiza kulimbitsa ndi kuumitsa nkhungu ya ceramic kuti ikonzekere kulandira chitsulo chosungunuka.

Kuponya

Kuponya

Chikombole cha ceramic chimayikidwa ndi mbali yotseguka kuti zitsulo zosungunuka zitsanulidwe. Izi zitha kumalizidwa mwa kungolola mphamvu yokoka kugawira chitsulo mu nkhungu ya ceramic kapena kuukakamiza kuti ulowe ndi mtundu wa kukakamiza.. Njira yomwe imasankhidwa imadalira kukula kwa nkhungu ndi mtundu wachitsulo chosungunuka.

Gwetsa, Kuthawa, kapena Kuyeretsa

Gwetsa, Kuthawa, kapena Kuyeretsa

Kaya wofotokozera, zinthu za ceramic zomwe zimapanga nkhungu ziyenera kuchotsedwa. Izi zikhoza kuchitika pogwiritsa ntchito njira zosiyanasiyana, zomwe zingaphatikizepo kungomenya ceramic, kuphulitsa, madzi othamanga kwambiri, kapena kugwiritsa ntchito mtundu wina wa mankhwala omwe angaphatikizepo nayitrogeni wamadzimadzi.

Kudula

Kudula

Gawo lomalizidwa liyenera kulekanitsidwa ndi zipata ndi othamanga pamene nkhungu ya ceramic yachotsedwa. Izi zimachitidwa ndi chopukusira ndipo zinyalala zimasonkhanitsidwa kuti zigwiritsidwenso ntchito.

Kuwombera kapena Kuphulika kwa Mchenga

Kuwombera kapena Kuphulika kwa Mchenga

Ngakhale gawolo ndi lopangidwa kwathunthu, ifunika kupukutidwa ndi mchenga kuti ichotse mamba ndi ceramic yotsalira kuti ipititse patsogolo. Izi zitha kumalizidwa m'njira zosiyanasiyana zomwe zimaphatikizapo kuwombera, mipira yaying'ono yachitsulo, kapena kuwomba mchenga.

Zochizira Pamwamba

Zochizira Pamwamba

Pali mbali zina zomwe zimafuna chitetezo chowonjezera ku dzimbiri, dzimbiri, ndi kuwonongeka kwa nyengo. Chophimba chowonjezerachi chimagwiritsidwa ntchito poviika gawolo mu njira yothetsera dzimbiri kapena mafuta. Njira zina zochizira pamwamba ndi kupenta ndi malata.

Makhalidwe a kutayika kwa sera

1) Kulondola kwambiri komanso kumaliza kwabwino pamtunda

Kulondola kwa dimensional ndikwabwino ndipo kumatha kufikira 5% za kukula mwadzina, ndipo mlingo wa roughness ndi Ra0.8-3.2μm, zomwe zimachepetsa ntchito ya makina otsatila. Pankhani ya mawonekedwe apafupi ndi ukonde kapena mawonekedwe a ukonde, Machining pafupifupi kuthetsedwa.

zida zoponyera phula zotayika

2) The makina katundu wa kuponyera ndi apamwamba ndipo akamaumba mtengo ndi otsika

Chifukwa chapamwamba ndi kukhazikika kwa ndondomeko yokha, The makina katundu wa kuponyera akhoza anakhalabe pa mlingo wapamwamba. Kutaya sera ndikoyenera makamaka pamikhalidwe yokhala ndi mawonekedwe ovuta. Chojambula chopangidwa moyenerera nthawi zina chimatha kusintha zida zamagawo angapo, zomwe zingaphatikizepo kuyimba wamba, makina, kupondaponda, kupanga, jekeseni akamaumba, pepala lachitsulo, ndi zina. Nthawi yomweyo, kupatsidwa kusinthasintha kwa ndondomekoyi, kuumba ndikosavuta, ndipo kulemera kwa ziwalozo kumatha kuchepetsedwa kwambiri, potero kuchepetsa mtengo wokonza. Kuphatikiza apo, zimathandizanso kwambiri kupulumutsa ndi kuteteza chilengedwe.

3) Kusinthasintha kwazinthu zambiri

Kuponyedwa kwa sera ya silika ndi koyenera kwa ma aloyi ambiri oponyera, kuphatikizapo zitsulo zosiyanasiyana, carbon steel, chitsulo chochepa cha alloy, chida chitsulo, chitsulo chosapanga dzimbiri, chitsulo chosagwira kutentha, nickel alloy, cobalt aloyi, chrysene alloy, mkuwa, mkuwa, zitsulo zotayidwa, ndi zina. Ndipo zake zonse processing kwenikweni ndi okhazikika, makamaka oyenera zipangizo zovuta kupanga, weld, ndi makina.

4) Wabwino kupanga kusinthasintha

Ndizoyenera kwambiri magulu akuluakulu, magulu ang'onoang'ono, komanso kupanga gawo limodzi, ndipo nthawi zina palibe kusiyana kwa ndalama zopangira. Palibe chifukwa cha zida zamakina zovuta kwambiri, ndi nkhungu processing ndondomeko imakhalanso yosinthika komanso yosiyana. Kuphatikiza apo, my country's casting companies and other research units have also developed some new investment casting processes and technologies. Mwachitsanzo: Mipikisano njira kuponyera ndondomeko zida zisamere nkhungu ndi fusible aloyi nkhungu luso poponya.

zida zoponyera phula zotayika

5) Mawonekedwe ovuta

Kutaya sera kumatha kupanga zopanga zokhala ndi mawonekedwe ovuta popanda kufunikira kwa mizere yolekanitsa kapena nkhungu zovuta., zomwe zimakhala zovuta kukwaniritsa ndi njira zachikhalidwe zoponyera.

6) Zigawo zolondola

Makamaka oyenera kupanga magawo ndi akalumikidzidwa zovuta ndi mfundo zabwino, monga ma injini a jet muzamlengalenga.

7) Zachuma komanso zogwira mtima

Kwa magawo omwe amafunikira mwatsatanetsatane komanso mawonekedwe ovuta, Kutaya phula ndikotsika mtengo kuposa njira zina zoponyera.

8) Kusinthasintha kwa batch

Ndizoyenera kupanga magulu ang'onoang'ono ndi akuluakulu.

Zithunzi zotayira zida zoponyera sera

CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo
CNC Machining magawo

Ndizitsulo ziti zomwe zimagwiritsidwa ntchito potaya sera?

Kutaya sera (kumadziwikanso kuti kuponya ndalama kapena kutayika kwa sera) ndi njira yosinthasintha kwambiri yoponyera yomwe ingagwiritsidwe ntchito ndi mitundu yambiri yazitsulo. Chifukwa njirayi imatha kupanga ma castings olondola kwambiri komanso mawonekedwe ovuta, ndi oyenera zitsulo zosiyanasiyana ndi aloyi. Nazi zina zomwe zimagwiritsidwa ntchito kwambiri ndi zitsulo ndi aloyi:

Zitsulo zopanda chitsulo ndi ma aloyi awo:

Zosakaniza zamkuwa: Ma alloys okhala ndi Copper amakhala ndi matenthedwe abwino kwambiri komanso magetsi, mitengo yotsika yovala, ndi ductility wabwino. Amagwiritsidwa ntchito kwambiri m'madzi, mipope, ndi mafakitale amagetsi. Ma alloys okhala ndi mkuwa amaphatikiza zamkuwa zonyamula ndi zoyendera zombo, mkuwa wa zida zoimbira, mapaipi, ndi zophulika, ndi ma aloyi a nickel-copper omwe amagwiritsidwa ntchito popanga zopangira zamakampani am'madzi.

Aluminiyamu aloyi: Aluminum alloy lost wax castings are popular for their ease of processing and corrosion resistance. Chifukwa cha madzi ake, zitsulo za aluminiyamu zimatha kukhala ndi makoma owonda, ndi zikaphatikizidwa ndi zitsulo zina kapena kutentha, chitsulo chimapanga mphamvu zabwino kwambiri. Aluminiyamu ndi imodzi mwazitsulo zochuluka kwambiri pazitsulo zonse, momwe zimakhalira 8% of the Earth's crust. Ndichitsulo chopepuka chomwe chimagwiritsidwa ntchito kwambiri muzamlengalenga, asilikali, zamagalimoto, kuyika, kukonza chakudya, ndi mafakitale amagetsi. Kuwonjezera zotayidwa anataya sera kuponyera, Dean Group imaperekanso ntchito zoponya aluminium kufa.

Zinc alloys: Amagwiritsidwa ntchito popanga tizigawo tating'ono tating'ono totsika mtengo.

Zitsulo zamtengo wapatali:

  • Golide: Amagwiritsidwa ntchito popanga zodzikongoletsera.
  • Siliva: Amagwiritsidwanso ntchito muzodzikongoletsera ndi zinthu zokongoletsera.
  • Platinum: Amagwiritsidwa ntchito muzodzikongoletsera zapamwamba komanso zida zolondola.

Chitsulo:

Chitsulo cha carbon: Zosankhidwa kwambiri chifukwa cha mtengo wake wotsika, chuma, ndi ferromagnetic properties, carbon zitsulo likupezeka zosiyanasiyana giredi ndipo ali ductility kusintha pambuyo kutentha mankhwala. Mafuta a carbon steel amagwiritsidwa ntchito nthawi zambiri muzamlengalenga, zaulimi, zachipatala, ndi mafakitale amfuti.

Chitsulo chosapanga dzimbiri: Chitsulo chosapanga dzimbiri chimapereka njira zosiyanasiyana zopangira ma castings ndipo chimagwiritsidwa ntchito kwambiri m'mafakitale ambiri. Izi zimapangidwa kuchokera ku chisakanizo cha chromium, nickel, ndi molybdenum. Njere ndi katundu wa alloy opangidwa pogwiritsa ntchito zitsulo zosapanga dzimbiri zidzatsimikiziridwa ndi zomwe zili muzitsulo zilizonse. Popeza chromium imawerengera nthawi zonse 10% za zitsulo zogwiritsidwa ntchito, ma alloys awa adzakhala ndi dzimbiri komanso kukana kwa okosijeni.

Ma alloys opangidwa ndi nickel:

Inconel: Amagwiritsidwa ntchito m'malo okhala ndi kutentha kwambiri komanso malo owononga.

Hastelloy: Komanso oyenera kutentha ndi zinthu dzimbiri.

Titaniyamu alloy:

Amagwiritsidwa ntchito muzamlengalenga, zida zamankhwala ndi zida zamasewera apamwamba.

Ma aloyi ena apadera:

Monga niobium alloy, aloyi molybdenum, ndi zina.

Mavuto wamba ndi zomwe zimayambitsa kutayika kwa sera

(1) Chikoka cha mawonekedwe oponya: a. Kuchuluka kwa khoma loponyera, kuchuluka kwa kuchepa; wocheperako khoma loponya, kucheperachepera kwa kuchuluka kwa kuchepa. b. Mtengo wocheperako waulere ndi waukulu, ndipo kuchulukira koletsedwa ndi kochepa.

(2) Mphamvu ya zinthu zoponya: a. Kukwera kwa carbon zili m'zinthu, ang'onoang'ono liniya shrinkage mlingo; kumachepetsa mpweya wa carbon, kuchulukirachulukira kwa liniya. b. Kutsika kwapang'onopang'ono kwa zinthu wamba ndi motere: kutsika kwapang'onopang'ono K=(LM-LJ)/LJ×100%, LM ndi kukula kwa patsekeke, ndipo LJ ndiye kukula kwake. K imakhudzidwa ndi zinthu zotsatirazi: phula nkhungu K1, kapangidwe kake K2, aloyi mtundu K3, kuthira kutentha K4.

(3) Mphamvu ya kupanga nkhungu pakupanga kutsika kwa liniya: a. Mphamvu ya kutentha kwa jekeseni wa sera, phula jekeseni kuthamanga, ndi kusunga nthawi pa kukula kwa nkhungu ndalama zimaonekera kwambiri mu kutentha jekeseni sera, kutsatiridwa ndi kuthamanga kwa jekeseni wa sera. Nthawi yogwira imakhala ndi zotsatira zochepa pa kukula komaliza kwa nkhungu ya ndalama pambuyo popanga nkhungu ya ndalama. b. Mlingo wocheperako wa sera (nkhungu) zakuthupi ndi za 0.9-1.1%. c. Pamene nkhungu kusungidwa, zidzacheperachepera, ndipo mtengo wake wachepa uli pafupi 10% za kuchepa kwathunthu. Komabe, pambuyo 12 maola osungira, kukula kwa nkhungu kumakhala kokhazikika. d. Kuchepa kwa radial kwa nkhungu ya sera ndikokha 30-40% kuchepa kwa nthawi yayitali. Zotsatira za kutentha kwa jekeseni wa sera pa kuchulukira kwaulere ndi zazikulu kuposa zomwe zimalepheretsa kufinya. (kutentha kwabwino kwa jekeseni wa sera ndi 57-59 ℃, ndi kutentha kwambiri, kukula kwakukulu).

(4) Mphamvu ya zida za chipolopolo: mchenga wa zircon, zircon ufa, Mchenga wa Shangdian, ndi ufa wa Shangdian amagwiritsidwa ntchito. Chifukwa cha kukula kwawo kochepa kwa 4.6 × 10-6 / ℃, akhoza kunyalanyazidwa.

(5) Mphamvu ya kuphika zipolopolo: Chifukwa cha kukula kochepa kwa chipolopolocho, pamene kutentha kwa chipolopolo ndi 1150 ℃, ndi chete 0.053%, kotero ikhozanso kunyalanyazidwa.

(6) Mphamvu yakuponya kutentha: Kukwera kwa kutentha kwa kuponyera, kukula kwakukulu, ndi kuchepetsa kutentha kwa kuponyera, kucheperako kumachepa, kotero kutentha kwa kuponyera kuyenera kukhala koyenera.

Kugwiritsa ntchito phula lotayika

Aerospace Industry

Pali ntchito zosiyanasiyana zotaya sera m'mafakitale osiyanasiyana. Kwa nthawi yayitali kwambiri, njira imeneyi wakhala ntchito kuponyera zodzikongoletsera ndi zing'onozing'ono, komanso ziboliboli.

Komabe,kuyika ndalama tsopano ndi gawo lazinthu zambiri zamafakitale ndipo kumaphatikizapo makampani azachipatala (ma implants a bondo ndi m'chiuno), zamagalimoto, mafakitale a njanji ndi migodi, makampani opanga zakuthambo Ndipo pafupifupi njira ina iliyonse yopangira yomwe imafunikira zitsulo zenizeni.

Kutaya sera ndi njira yaukadaulo kwambiri, zomwe zimafuna chidziwitso chochuluka ndi luso pa gawo lililonse la ndondomekoyi kuti zigawo zotsatila zikhale ndi umphumphu ndi khalidwe labwino. Kuwongolera kwapamwamba kwa ndondomeko ndikofunikiranso kuti mukhalebe ndi makhalidwe abwino. DEZE ali ndi chidziwitso chambiri pakutaya sera, chifukwa chake musazengereze kufunsa za ntchito zathu ndipo membala wa gulu adzakambirana nanu zosowa za polojekiti yanu.

Zitsanzo za ntchito

  • Kupanga zodzikongoletsera: golide, siliva, pulatinamu.
  • Zojambula ndi chosema: mkuwa, mkuwa.
  • Zamlengalenga: titaniyamu aloyi, nickel-based alloy.
  • Makampani opanga magalimoto: zitsulo zotayidwa, chitsulo chosapanga dzimbiri.
  • Zida zamankhwala: chitsulo chosapanga dzimbiri, titaniyamu aloyi.
  • Zokongoletsera zomangamanga: aloyi yamkuwa, zitsulo zotayidwa.
makampani opanga magalimoto

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Chidziwitso

Mitundu yayikulu yazitsulo zosapanga dzimbiri ndi: chitsulo chosapanga dzimbiri cha austenitic, chitsulo chosapanga dzimbiri cha ferritic, duplex chitsulo chosapanga dzimbiri (duplex nthawi zambiri amatanthauza: austenite-ferrite magawo awiri), martensitic ndi mpweya kuumitsa zitsulo zosapanga dzimbiri.
Material Hardness is one of the key indicators used to evaluate a material's resistance to deformation, kuvala, ndi abrasion. Miyezo yowuma wamba imaphatikizapo Vickers Kuuma (HV), Brinell Kuuma (HB), ndi Rockwell Hardness (Mtengo wa HRC).
Zida zopangira grooving ndizofunikira pakupanga makina, opangidwa kuti azidula grooves, mipata, ndi mbiri muzinthu. Kusankha chida choyenera cha grooving pa ntchito inayake ndikofunikira kuti mukwaniritse kulondola kwambiri, kuchita bwino, ndi pamwamba khalidwe.