Kana mumwe munhu ataura Icoloy 800, chinhu chekutanga chinowanzouya mupfungwa dheti rayo re data: kunaka kwepamusoro-tembiricha kusimba, kudzikamisa corrosion resistance, yakasimba nickel-iron-chromium alloy. Asi muchitoro chekugadzira uye kugadzira, ndiko kungotangira. Iyo chaiyo nyaya iri mugomba pakati peiyo spec uye kurira kwekurira, kupisa tint, uye apo neapo, kushungurudza kupaza. Ndakaona madhizaini akawandisa achiibata senge yekudonhedza-inotsiva ye304H kana 825, uye ndipo panotangira misoro.
The Casting Conundrum: Fluidity vs. Kuvimbika
Casting Icoloy 800, kunyanya kuburikidza neinvestment casting nzira, ndiko kwaunoparadzanisa dzidziso kubva pakuita. Iyo alloy ine yakatetepa kutonhora kwechando, iyo yakanaka kudzikisa shrinkage porosity, asi viscosity yayo kana yakanyungudutswa inogona kunetsa. Iwe hauwane kuyerera kuri nyore kwemamwe masimbi ekabhoni. Mumaitiro edu ekuumbwa kwegoko kuQingdao Qiangsenyuan Technology Co., Ltd. (QSY), takadzidza kugadzirisa tembiricha yepreheat pama mold zvine hukasha. Kudururira pane zvinotaurwa nebhuku rinowanzo tungamira mukuvharwa kunotonhora muzvikamu zvitete zvezvikamu zvakaoma, senge izvo zvakaomesesa thermowell fittings kana burner nozzles isu tinogara tichigadzira.
Gating system dhizaini inova yakakosha. Hazvisi zvekungoendesa simbi; ndezvekudzora maitiro ekuomesa kudyisa chikamu chekupedzisira kuti chiome. Isu takambove nebhechi rezvitsigiro zvechubhu zvairamba zvichiratidza micro-porosity paflange-to-tube junction. Iyo spec yakasangana, asi X-ray yakataura imwe nyaya. Kugadzirisa kwakanga kusiri kuchinja kukuru kwemakemikari; yakanga iri kugadzira patsva marongerwo emumhanyi uye chikwiriso kuti igadzire kusimba kunonangana kunosimudzwa. Yakawedzera huremu hwekukanda, iyo mutengi pakutanga akabvunza, asi yakabvisa kutadza kwemunda. Ndiko kutengeserana.
Zvadaro pane oxide. Iyo chromium nealuminium yemukati zvinoreva kuti inomira pamusoro okisidhi inoumba nekukurumidza. Kana goko rako risina kuoma zvakakwana kana riine kuderera kwekupinda, unogona kuisa panjodzi yekuteya iyo oxide firimu mukati mekukandira, uchigadzira nzvimbo yekutangisa yakakwana yekutsemuka pasi pemhepo inopisa. Icho chirema chinyararire. Iwe unogona kupasa bvunzo yekumanikidza pakamuri tembiricha, asi icharatidza chiso chayo mushure memwedzi mishoma mubasa. Chiitiko chedu ikozvino chinosanganisira kudzora kwakasimba pamusoro pedova mukamuri yestucco uye dzimwe nguva kunyange diki tweak kune deoxidizer kudzidzira muladle, kunyangwe iwe unofanirwa kungwarira kuti usakanganisa zvimwe zvivakwa.
Machining: Iyo Inonyengera Kupfava
Pabepa, Icoloy 800 haina kunyanya kuoma. Asi chero machinist akatora mucheki mutsva kwairi anoziva kuti inorwa zvakasiyana pane isina tsvina. Iine maitiro akaipa ekushanda-kuoma, uye kwete zvakafanana. Iwe unogona kunge uchitora kucheka kwakanaka, wobva warova nzvimbo iyo zvinhu zvinoita kunge zvichawedzera kusimba, uye notch yako yekuisa inopera nguva isati yakwana. Isu tinoita yakawanda post-casting CNC machining paQSY, kushandura miviri yevharuvhu, milling flanges. Kiyi yatakawana ndeyekuenderana: chikafu chinowirirana, kudzika kunoenderana kwekucheka, hapana pekugara.
Inotonhorera haisi yekutonhodza chete pano; ndeyekudzivirira iyi dhizaini yekuomesa-basa kubva pakuvaka. Asi unofanira kushandisa mhando chaiyo. Isu takatama kubva pamafuta akatwasuka kuenda kune yakakwira-performance synthetic emulsions ine lubricity iri nani. Chinangwa ndechekubvisa chip nekukurumidza uye kuchengetedza tembiricha yakachekwa ichidzorwa. Rega kunyanye kupisa, uye kuputika kwealloy kunoratidzika kunge kuri kuwedzera, kutsenga kunyangwe mamakisi ecarbide akaitirwa super alloys.
Tool geometry inonyanya kukosha kupfuura nesimbi yakajairwa. A positive rake, inopinza mupendero, uye chipbreaker yakagadzirirwa zvinhu zvine tambo hazvigone kutaurirana. Isu takadzidza izvi nenzira yakaoma pakutanga, tichigadzira mhedziso dzakanaka dzepamusoro dzakavanza madiki-fractures kubva kune vibration yekushandisa nekuti isu taishandisa reki isina kunaka simba. Zvikamu zvakapasa kuongororwa asi zvakakundikana mukunetseka kwekunetseka bvunzo. Ongororo yekutadza yakanongedza kune iyo machined surface kuperera. Zvino, isu tinotsanangudza iyo toolpath zano pamwe chete nechokushandisa pachacho chekutsoropodza Icoloy 800 zvikamu.
The Heat Treatment Tightrope
Wese munhu anoziva mhinduro annealing ndiyo yakajairwa Icoloy 800 kunyungudutsa carbides uye kudzosa iyo ductility. Iyo yakajairika callout ndeye 1100 ° C zvishoma, nekukurumidza kutonhora. Asi kukurumidza ndiro izwi rinoshanda. Munzvimbo yechitoro, kukurumidza kunorevei? Kudzima mvura? Kune zvikamu zvitete, pamwe. Asi kune dzakakora-chikamu castings kana mabhuroki akagadzirwa, kudzima kwemvura kunounza kwayo kushushikana kwekupisa. Takave nezvikamu zvakakanganiswa, kwete zvakawanda, asi zvakaringana kukwenya kumeso-chakagadzirwa-chakaiswa chisimbiso kumeso.
Isu tafamba zvakanyanya kuenda kumanikidziro-kudzima mweya kune mazhinji ezvikamu zvedu. Inononoka, hongu, zvinoreva kuti uri kutamba ne carbide precipitation kana usina kungwarira. Saka iwe unofanirwa kudzora nguva kubva muchoto kusvika pakudzima, uye kubuda kwemhepo kunofanirwa kuve kwakafanana. Takaisa nzvimbo yakatsaurirwa-mhepo yekudzima mhepo yebasa redu rekupisa kwepamusoro. Yakanga iri mari, asi yakaderedza chiyero chedu kubva mukupisa kurapwa nekukanganiswa neinopfuura 70% yezvinhu izvi. Dzimwe nguva kugadzirisa kwemaitiro kunonyanya kukosha pane kutsiva zvinhu.
Imwe nuance ndeyekuzorodza kushushikana. Kune zvikamu zvinopinda machining anorema, zororo repakati rekushushikana paanenge 900 ° C rinogona kudzivirira kufamba panguva yekupedzisira. Asi unofanira kunyora danho iri zvakajeka. Isu takambotumira bhechi remanifold castings aive mhinduro annealed, rough machined, stress-reruzed, then finish machined. Mutariri wemutengi akaona maviri ekupisa kupisa uye akairatidza sekutsauka. Taifanira kupa micrographs uye kuoma mamepu kumativi ose kuratidza kuti yekupedzisira microstructure yaive yakarurama uye kuti kutenderera kwepakati hakuna kukuvadza zvivakwa. Yakanga iri hondo yemapepa pamusoro pemaitiro emuchitoro.
Welding uye Fabrication Pitfalls
Vagadziri vanofarira kupisa Icoloy 800 kune pachayo kana kusimbi yekabhoni. Inogoneka, chokwadi, ine kuzadza chaiko (senge INCO-Weld 82/182). Asi pre-heat uye interpass tembiricha control inowanzo penya pamusoro. Iyi haisi simbi yakapfava. Rega iwedzere kutonhorera pakati pezvinopfuura, uye iwe unoisa panjodzi yekutsemuka muHAZ. Isu tinopa akawanda ekukandira mafittings ayo anoiswa welded mumapiping system. Yedu data mapaketi ikozvino anosanganisira yakakurudzirwa welding process sheet, kwete nekuti isu tiri nyanzvi dzewelding, asi nekuti takaona macallbacks kana zvaitwa zvisizvo.
Nyaya hombe ndeyekusiyana-siyana welding. Kana iwe weld Icoloy 800 kune kabhoni simbi, iyo kabhoni kutama kubva kudivi resimbi kuenda kune alloy kunogona kugadzira brittle zone. Musevhisi yekupisa kwepamusoro, nzvimbo iyi inogona kutadza. Isu takanga tine nyaya apo mutengi akasonta ruoko rwedu rwekukanda alloy thermocouple zvakananga kune kabhoni simbi mudziyo. Yakabata kwegore, ichibva yatsemuka circumferentially pachigunwe cheweld. Iyo metallurgy yairatidza pachena kabhoni diffusion. Mushonga wacho wakanga usiri nani welding; yakanga iri kushandisa chidimbu chekuchinja kana imwe dhizaini zvachose. Dzimwe nguva kudzikisira kwezvinhu hazvisi muzvinhu zvacho, asi kuti zvinopindirana sei nenyika.
Post-weld heat treatment (PWHT) imwe gaba rehonye. Unozviita here? Iyo macode kazhinji inoda iyo yekumanikidza midziyo. Asi kutenderera kwakazara kwePWHT kunogona kupfuudza zera Icoloy 800 base simbi kana tembiricha yakanyanyisa kana nguva yakarebesa, ichisveta simba rayo rokukambaira. Iko kupesana kwekirasi pakati pezvinodiwa zvekugadzira uye kushanda kwenguva refu kwezvinhu. Mamiriro edu iko zvino ndeekunyatsojeka muzvinyorwa zvedu: Ichi chinyorwa chave mhinduro yakavharwa. Chero inotevera PWHT inofanirwa kufunga nezve mhedzisiro pane base simbi zvivakwa. Inosundidzira basa reinjiniya kudzokera kumugadziri uye mugadziri, paanofanira kunge ari.
Sourcing uye Equivalent Musungo
Kwete zvose Icoloy 800 inosikwa yakaenzana. Iyo yezita yekuumbwa ine kushivirira, uye apo chinhu chinowira mukati meiyo bhendi chinogona kukanganisa kuita. Iyo aluminium uye titanium yemukati, semuenzaniso, yakakosha pakugadzikana kwenguva refu pakupisa kwakanyanya. Isu tinopa yedu alloy stock nekungwarira, uye kune yakakosha maapplication, isu tinotsanangudza kuongororwa kwekupisa kuve mukati meiyo yakaomarara renji, kunyanya yealuminium. Inodhura zvakanyanya, asi inotenga kufanotaura.
Musika wacho uzere nema alloys akaenzana, kazhinji kubva kumagiyo matsva. Vanogona kusangana neASTM B409 spec pabepa, asi zvinhu zvekutsvaga uye kunyunguduka maitiro zvinosiyana. Isu takaedza imwe yakafanana neyakadaro kune isiri-yakakosha yekudziya element bracket. Yakagadzirwa zvakanaka, yakagadzirwa zvakanaka. Asi musevhisi yakatenderedza 800°C, yakaratidza kuwedzera oxidation scaling pane yedu yakajairika sosi zvinhu mushure menguva imwe cheteyo. Mupari wemhosva? Zvichida kutsvaga zvinhu senge magnesium kana calcium inokanganisa oxide adhesion. Kwakanga kusiri kukundikana, asi kwakanga kusina kunaka. Isu takanamatira nemutengesi wedu anozivikanwa kune zvikamu zvine basa kugadzikana kwepamusoro.
Apa ndipo panenge paine mudiwa wenguva refu mune zvekutengesa. Kambani yakaita seQSY, ine makumi matatu emakore ekukanda nekugadzira alloys akakosha, haisi kungotenga simbi; tiri kutenga nhoroondo yekushanda kunoenderana kubva kumagiyo edu. Isu takavaka yedu maitiro parameters kutenderedza maitiro emagiredhi chaiwo. Kuchinjisa kune isingazivikanwe yakaenzana inogadzirisa zvese izvo zvakadzidzwa ruzivo kusvika zero, kuunza njodzi. Kwatiri, kuvimbika kwechikamu chekupedzisira kune mutengi kunokodzera iyo premium pamucheto wepamberi. Zviri zvishoma pamusoro zvinhu mutengo pa kirogiramu uye zvakawanda pamusoro yose mutengo kukundikana mumunda.
Pfungwa dzekupedzisira: Sarudzo Yakagadzirwa
Saka, ndizvo Icoloy 800 chinhu chakanaka? Zvamazvirokwazvo. Ibhiza rebasa nokuda kwechikonzero-mumachubhu anogadziridza, zvinotsinhanisa kupisa, zvikamu zvechoto. Asi hachisi chinhu. Iyo injinjini alloy inoda maitiro einjiniya. Kukosha kwayo hakusi mukuumbwa kwayo chete, asi kuti nhanho imwe neimwe kubva pakunyunguduka kusvika pakupera inodzorwa nekunzwisisa kwayo quirks.
Hunyanzvi chaihwo, semaonero angu, huri pakuziva nguva yekuhushandisa uye kuti unoitsanangudza sei pabasa racho. Haisi nguva dzose mhinduro. Kuti uwedzere hukasha hwekuora, ungangoda 825 kana 625. Kuti uwedzere kusimba kwepamusoro-soro, pamwe 800H kana 801. Asi panzvimbo inotapira yetembiricha iri pakati nepakati, carburizing/oxidizing atmosphere, uye kugadzirwa kwakanaka, zvakaoma kurova. Mano kuremekedza hunhu hwayo.
Pakupedzisira, kushanda nezvinhu izvi inhaurirano inoenderera mberi pakati pekutsanangurwa, maitiro, uye mamiriro chaiwo ebasa renyika. Iko hakuna autopilot. Batch yega yega, yega yega chikamu chitsva geometry, idiki recalibration. Ndizvo zvinoita kuti irambe ichinakidza, uye kutaura chokwadi, chii chinochengeta kunaka muzvikamu zvinopera muzvirimwa zvinomhanya kwemakumi emakore. Iwe haugone kungohodha Icoloy 800 kunze kwewebhusaiti; unofanira kuivaka, nokuvaka nayo, wakasvinura meso ako kuzvinhu zvose.
