Mamwe matipi ekuti uve nechokwadi chekuenderana kwemhando yepamusoro centrifugal castings
kubva pfupi mhepo-yakatonhorera inofa
Nhungamidzo:
Kune ni-kudzivisa groove inogadzira iyo yakakodzera system ndeyekutonga centrifugal centril casting michina nekufa kwenguva yakareba sezvinobvira, uye zvakashongedzerwa ne otomatiki controc yeRPM, tembiricha uye nguva yekutandarira. Iyo yakakura vhoriyamu inotsukwa vagadziri vanowanzo shandisa 2-metres vanofa. Yakatemwa mvura-inotonhorera inogamuchirwa kuti ive nechokwadi chekupisa kweunifomu yekufa kubva kumagumo kusvika kumagumo.
Mukugadzira hutachiona hwekukanda kana kusimuka kune yakaderera mutengo unopa, iyo centrifugal casting michina kazhinji inoshandiswa kuve nekureba kwenguva refu ye 300mm kurefu kwemvura pasina mvura-inotonhorera. Iko kutonga pane microcenture kunova kwakanyanya kuoma, kunyanya pakupera kwekupedzisira kwePOTI nekuda kwekuwedzera kukurudzira. Mberi yehari inopera hasha, ichiswedera pakupisa simbi yakadururwa panguva ino.
Kuti uchengetedze zvakakwirira zvemhando yepamusoro uye kuwirirana kweiyo microction yezvinhu zvinogadzirwa kubva muhari dzakadai, kubva kune imwe mugumo kusvika kune imwe, dzimwe nheyo dzakareruka dzinoda kuteedzerwa mukugadzira maitiro.
Kugadzirira Kugadzirira:
Input SROW ZVIMWE:
Iyo yakakwira muzana yeiyo nickel mune izvi zvinhu zvinoda uye inoshanda yekunyungudika uye kusanganisa chiviridzo chakakwana. Iyo yakanakisa yakakodzera chinangwa ichi mains frequency induction choto chemaminitsi 500-kg kugona uye kunyanya ye 1000-kg kugona.
Iyo yekuisa zvinhu zvinoda zvinoda kuve zvekuchena zvine musoro. Carbide kuumba zvinhu zvakaita mo, va, ti uye w inofanira kuchengetwa kunotsvaga. Nyevero: Mazhinji anotengeserana pig irons ane yakakwira mo and ti. Izvo zvinodikanwa kuti mune yekupedzisira isa zvinhu izvi zvinofanirwa kudzorwa mukati memiganhu inotevera:
Mo> 0.05%
Ti> 0.04%
W> 0.02%
VA> 0.02%
Simbi scrap is a sosi yezviratidzo zvechikepe chinogona kukonzera matambudziko asina kujairika muNi-kuramba zvinhu. Iyo simbi scrap inofanira kuve yekuganhurirwa kune max 10% yekubhadhara kusvika pane zvinogoneka uye yeanozivikanwa uye kuumbwa.
Machipisi uye zvibodzwa zvinofanirwawo kuchengetwa zvakaderera sezvinobvira, kana vasingakwanisi kudzivirirwa zvachose. Izvo zvinodikanwa kuderedza izvi kune max ye60% uye inofanira kunge yakaoma uye yakachena.Kusanganisa machipisi zvakafanana mumanyungudhi kwakaoma. Kurasikirwa kweimwe zvinhu kubva kune machipisi zvakakwira uye kune njodzi yemhepo uye hydrogen trapping mumachipisi, zvese zvinosimudzira graphite yakaipa uye coarse / yakabatana carbides.
Sarufa mune yekunyungudika inodiwa mune yakamanikana mhando. Inofanira kuchengetwa yakatenderedza 0.06% yekuwana kuomarara kwaunoda. Sulfa yakakwira inokonzera matambudziko kune iyo microcture.
Carbon yakaenzana:
Iyo kabhoni yakaenzana (CE) inozivikanwa kuve paramende yakakosha yeakakanda maireni. Ichi chinhu chinotamba chinzvimbo chakakosha mumhando yerudzi rwacho rwakagadzirwa mukukanda. Iyo inonyanya kuenderana neyakaenzana nehuwandu hwekusimbiswa, izvo zvakavharirwa neyechikamu-zvikamu zvekukanda uye tembiricha.
Kokorodzano yemukuru kuenderana neCE kukosha maererano neiyo vhoriyamu / nzvimbo (v / s) chiyero chekukanda. Zve3-zviyero zvekukwirisa, izvo zviri zvezvikamu zvakasiyana-siyana, izvi zvakaoma kwazvo. Iyo centrifugal mapoto, kunyange matatu-yakadzvanywa, zviripo zvemukati meyimoni chikamu mukati mehurefu hwese uye neV / s inogona kuverengerwa kune izvi sezvakaratidzwa mune inotevera formula:
Vhoriyamu / Surven Area Ratio V / S
V/S = ( D2 - d2 ) H / 4 (DH + DH + (D2 - d2 ) / 2 )
Kupi, d= yekudzora diameter (od) ye centrifugal cast poto
D=Inner diameter (ID) ye centrifugal cast poto
H=}}}}}}}}
Chinhu chiri nani cheCentriful cast poto ingave iyo℃regedhi, iyo inopihwa iyo formula:
Degree rekutengesa Sc :
;
kupi, c, si uye ni ndiyo chaiyo tsika muhuremu-%
Zvekushandisa zvedu kukosha kukosha kweSc = 0,80 - 0,95
Kuisa mita yeCE kuchiratidza kuchagonesa munhu akaomarara uye nekumwe kudzora kwekukurumidza pamusoro pekabhoni uye silicon zvirimo mune simbi isati yadzima mapoto.
Yakakurudzirwa huwandu hweC, si & mn mushure mekukundikana:
Kabhoni: 2.70 - 2.80%
Silicon: 2.10 - 2.20%
Manganese: 1.20 - 1.30%
Kunyungudza:
Izvo zvakakosha kukwezva kubhadharisa kuchiremera muvira yekukwana kusanganisa kwehuwandu hwakawandisa hweiyo nickel uye mhangura mu ni-kuramba zvinhu. Iyo yekuisa yekuisa mari yekubhadhara inoteedzerwa ndeyekutanga kushandura 50% Pig iron + scrap, copper
Kabhoni inofanirwa kuchengetwa pakutanga mukugeza ku 2.75 - 2.80%, ni pa {}
Basa reSilicon Carbide:
Zvekuita site midziyo yakakwana yenyungudhi mumanyungudhi, sic inoitira basa rakakosha. Naizvozvo Stic inofanira kuumba chikamu cheiyo yekutanga kubhadharisa kugadzira kuverenga-kumusoro. Uye kumwezve kuwedzerwa kweSIC kunodiwa nguva pfupi isati yanyungudika, kana kemikari yaongororwa uye ichitenderwa; Uyezve mushure memataleti ese mashoma akasungirirwa, zvekuti kabhoni yekudzika kabhoni inobhadharwa. Izvi zvichabatsira kuve nechokwadi chekuvhara miganhu yekabharoni zvemukati uye nekudaro imwe inoenderana ce uye microcenture.
Iyo Yakakurudzirwa kuwanda kweSIC mune yekubhadhara-kumusoro ndeye 0.25% yehuwandu hwese kubhadharisa pamwe nezvinhu zvekutaurisa zvakawedzerwa kune mhosva. Uku kuwedzera kunoverengerwa mubhadharo kugadzira kabhoni uye silicon. Mushure mekunyungudika inosvika pakudziya kwe1400c, chemistry inoongororwa uye kururamisa inoshandiswa kana zvichidikanwa, uye zvobva zvadzorerwa. Kamwe Chemistry inotenderwa, imwe 0.1% sic inowedzerwa uye pakarepo chivira chakazara kupisa (zvichienderana nekudonha kwekupembera kunopedzwa kubva kune imwe nhanho), uye kutakura mukodhi isingabvumirwe.
Kuwedzera kweSIC kunofanirwa kuitwa zvakare panguva yenguva dzose panguva yekutenderera kwekutenderera kuzadza kurasikirwa kabhoni. Kuti uongorore chinhu chaicho chehuwandu hwekuwedzera uye nguva yekuwedzera yeSIC yeyakagadziriswa yekunyungudika yekunyungudika Mune kuenderera mberi kwekugadzira maitiro, kutarisa kabhoni mune yega yega yekudonha ichapa data rakaringana kuti riwedzere kuwanda kweSIC inofanirwa kuwedzerwa kune choto uye inobvumidzwa kumisikidza maminetsi mashoma usati wapeta pfuma.
Rwiyo rwunozadza uye kuongorora:
Pamberi peizvokupa chero renyama risati ratumirwa kunzvimbo yekugadzira iyo inofanirwa kuve yakanyatsoomiswa kuitira kuti mapopomerwe awoma uye nekupisa sezvinobvira nemurazvo weThechko wakashandiswa. Iyo yekupedzisira kupisa pakutanga kwekuchinja uye mushure mekuzorora kunofanirwa kuitwa nekudzokororwa nesimbi yakanyungudutswa kubva muchoto. Kupfuura kumwe kudzokorora kunogona kuve kwakakodzera kuunza mwero kune hushoma hunodiwa tembiricha ye750c isati yashandiswa simbi yekubatwa. Iyo pyrometer inofanira kushandiswa kuve nechokwadi chekuti tembiricha iri chaiyo.
Zvinonzwisisika, zvakakwirira Ni zvinhu zvinozvisimbisa. Nekudaro zvezvikamu zvedu zveCentrifugal castings uye kudzora kwakaomarara pane microcenture, zvinodikanwa uye zvakafanira kuita kuti uwedzere muchimaniso pedyo nepedyo nenguva yekudururira sezvinobvira. Iyo yekushandisa renji yekusagadziriswa neyekupedzisira giredhi ferro silro silicon (75%) inoverengerwa kuunza mu 0.20 kusvika 0.25% si yekukora. Zvinokurudzirwa kuti usashandise iyo yakajairika cast iron isocelants inoculants inocullants seyakavakirwa mune izvi zvinyorwa nekuda kwekuvhiringidza ne strontium.
Kusuma Nyika dzepanyika kuchabatsira micrant yedu. Mukana wekushandisa iyo iri nani isoculant yakaenzana, ine cerium, inogona kuongororwa.
Zvakare zvakare inodzora huwandu hwenickel-mash yakaunzwa neiyo yelocalant inogona kuve nemhedzisiro yakanaka kwazvo pakudzivisa yakagadziriswa girazi.
Anofa:
Dhizaini:
Yakadzora mvura-kutonhora kwakanakira kuti uve nechokwadi chekupisa kwerudyi yezvafa kubva kune imwe mugumo kusvika kune imwe. Nekudaro kana kuunza mvura inotonhorera yakaoma kuedza kutonhora kwemweya wekutonhora kwemweya wekufa pasi pejekete rakakodzera neIntle kumusoro uye inopisa mhepo inobuda kumashure.
Sezvo dambudziko reChicnoability rinonyanya kuvharwa mumashure ekupedzisira vanoisa zano rekudzidza maCourtures ekupedzisira vanoisa uye sarudza yakaderedzwa kuti ive nechokwadi chekuti chete yakanaka microcture inopinda mukugadzirwa. Kune zvakasikwa mhepo-yakapetwa kapfupi inofa ye 300mm arefu kazhinji yakachekwa-kubva pamakumi mana-mm inodiwa.
Mukureba kwenguva yakareba kureba kwemapoto kunofanirwa kuwedzerwa ne30 - 35mm nekugadzira idzva kumashure kwekupedzisira plugs. Izvi zvichaita kuti kunyange yakakura yakatemwa-isina kana isina kukanganisika pane iyo nhamba yemidziyo yekuisa yakatemwa kubva muhari imwe neimwe.
Kuwedzera kwechokwadi kugadzirisa kunorevesa izvi kufema kuti vatore mari yemakumi matanhatu emamita marefu kuti iwane michina inowedzerwa kunyange neakachekwa ne50mm kumagumo emashure.
Kudzivirira
Vazhinji vanofa vanofa vanoshandisa zvigadzirwa zvekutuka zvisina kuoma muID iyo chiito sekusimbisa uye chinoparadzanisa. Kune zvinhu zvepamusoro zvinyoro-nyoro zvekushandisa zvekushandisa, izvo zvaizopa kudzivirira kuri nani kupesana nehanya.
Izvo zvakare zvinodikanwa kuti uvhenekere kumberi uye, kana zvichikwanisika, kumashure kwekumashure kwekufa.
Iyo ID pamusoro peiyo iyo kufa haifanire kunge iri pazasi 300C chero nguva panguva yekugadzirwa kunobatsira. Pyhometer yekuonana inofanira kunge iri yekufira pane yega yega yekuona izvi.
Pakutanga kwekuchinja kwega kwega uye mushure mekuzorora kwega kwega, 1 kana anopfuura madhiri anofanirwa kudururwa sezvinodiwa kuti ave nechokwadi chekuti tembiricha yeiyo id iri pamusoro 300c.
Sezvo kugadzirwa kunoenderera, tembiricha yekufa ichawedzera zvishoma nezvishoma uye kusimbisa pa450 - 500 c. Uku ndiko kupisa tembiricha kwenguva pfupi, zvakasikwa zvinopera.
Zvinyorwa:
Izvo zvakakosha kuti utarise zvichiramba zvichingoenderera nemifunja uye chengetedza zvinyorwa zvakanaka uye zvakaringana.
Mukuvandudza matanho anokwana zvakare kuchengetedza kabhoni uye silicon zvinyorwa zvega kwedare uye kukudziridza chirongwa cheSIC.
Iko kutonga kwe microcenture kunofanirwa kuitwa kazhinji kazhinji sezvinobvira / zvinodiwa pane yekupedzisira inobatsira isa kubva kumashure kwehari, kusvikira iyo paramita yekukanda uye yakatemwa-bvarura yakazara.
