Paunonzwa 'Incoloy 825', chinhu chekutanga chinouya mumusoro ndechekuti 'corrosion resistance' - uye ndizvozvo, asi zvakare kari keriva. Mumunda, kunyanya kune zvitoro senge zvedu zvinobata zvese zviri zviviri kukanda uye kunyatsogadzira machining, mukurumbira wealloy unogona kutungamira mukuwedzeredza. Haisi chete mashiripiti bara revhisi sevhisi kana nitric acid; maitiro ayo panguva yekugadzira, kubva kune yekutanga pasi kusvika kune CNC muchina, inotsanangura kukosha kwayo kwechokwadi. Ndakaona magadzirirwo akawandisa achitsanangura nerote, pasina kufunga nezvechokwadi chekugadzira. Iyo yakakwira nickel-chromium-molybdenum-mhangura kuumbwa kunopa iyo yakanakisa gomba uye kusagadzikana ngura inopwanya kuramba, asi iyo imwe recipe inoita kuti ive mhuka yakasiyana kushanda nayo ichienzaniswa neyakajairwa 316L. Iri mukaha pakati pedatabase neworkshop yandinoona yakanyanya kutsoropodza.
Kubva kuMelt kuenda kuMold: Kukanda Incoloy 825 Haina Kutwasuka
Chiitiko chedu chekuwana, kunyanya negoko regoko uye maitirwo ekudyara ekudyara atinomhanya paari Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), akatidzidzisa kuti nickel alloys akafanana Ikoroy 825 vanoda ruremekedzo kubva padanho rekutanga. Iyo yekunyungudutsa tsika yakakosha. Iwe haugone kutenga zvinhu zvekutsika; kunyangwe mutobvu mudiki kana kusvibiswa kwesarufa kunogona kukanganisa kushanda kwekupisa. Isu tinochengetedza yakasimba yekuchaja maprotocol, kazhinji tichishandisa yepamusoro-giredhi revert uye mhandara zvinhu zvinosanganiswa kudzora chemistry zvakasimba. Chinangwa ndechekurova iyo inotapira nzvimbo: Ni ~ 42%, Cr ~ 21.5%, Mo ~ 3%, Cu ~ 2.2%, uye iyo inodzikamisa Ti yekuwedzera. Zvipotsa, uye corrosion properties yauri kubhadhara inogona kunge isipo.
The solidification character ndiyo imwe pfungwa. Haisi iyo yakanyanya kunyorova alloy kana yadirwa. Mukudyara kwekudyara, takafanirwa kugadzirisa tembiricha yepreheat pamatehwe edu eceramic uye tweak yekudira ma paramita kudzivirira mistruns muzvikamu zvitete kana misodzi inopisa mune inorema. Icho chiito chekuenzanisa - kupisa zvakanyanya, uye unoisa pangozi kukura kwezviyo zvakanyanya uye micro-shrinkage; yakanyanyisa kutonhorera, uye kuzadza hakuna kukwana. Ichi hachisi chinhu chaunodzidza kubva mubhuku rekushandisa; inounganidzwa kuburikidza nekuedza uye, kutaura chokwadi, zvimwe zvimedu zvinodhura nekufamba kwemakore. Isu takambove nebhechi remitumbi yevharuvhu yairatidza micro-porosity pasi pekuongororwa kweradiographic, yakateedzerwa kumashure kune tembiricha yakawedzera-kudurura yaiita seyakanaka kune kabhoni simbi asi yakanga ichangopfuura mutsara we825.
Post-cast heat treatment is non-negotiable. Iyo as-cast chimiro inhomogeneous uye inoremerwa nekusarira kunetseka. Mhinduro yakakodzera yekutenderera kutenderera, kazhinji kutenderedza ° F ichiteverwa nekukasira kudzima, yakakosha kunyungudutsa zvikamu zvechipiri uye kuburitsa iyo yunifomu austenitic chimiro. Kusvetuka izvi kana kuwana mhepo yevira isiriyo (oxidizing vs. inodzivirira) inogona kusiya chikamu chiri panjodzi yekurwiswa kwe intergranular gare gare. Takamisa maprofile edu echoto uye tinoshandisa machati ekurekodha kumabasa akakosha - ndiyo chete nzira yekuvimbisa kuenderana.
Iyo Machining Headache: Ipo Dzidziso Inosangana neToolpath
Kana kuikanda kunoda kutarisirwa, machining Ikoroy 825 ndipo panotangira dambudziko chairo reCNC shop. Apa ndipo panowanikwa modhi yedu yakabatanidzwa QSY inoratidza kukosha kwayo. Iwe haugoni kungokanda purogiramu yesimbi isina tsvina pairi. Iyo alloy inoshanda-inoomesa nekukurumidza uye nehasha. Kuiswa kwakagomara zvishoma kana kusakwana kweyero yekudyisa kuchagadzira dhizaini yakaomeswa pasi pechekwa, zvichiita kuti rinotevera ripfuure gehena pazvishandiso uye zvingangokanganisa kutendeka kwechikamu.
Kusarudzwa kwemidziyo ndizvo zvese. Isu takafamba zvakada kusvika kune premium-giredhi carbide substrates ine akakwenenzverwa coatings (AlTiN-yakavakirwa kazhinji inoshanda nemazvo) yekukasira nekupedzisa. Positive rake geometries inofanirwa kuderedza masimba ekucheka uye kuomesa-basa. Inotonhodza haisi yekutonhodza chete; imafuta ekubatsira chip kutsvedza. Isu tinoshandisa yakakwirira-kumanikidza, kuburikidza-chishandiso chinotonhorera masisitimu kuti ive nechokwadi chekuti inosvika kumucheto wekucheka. Ini ndinorangarira basa rekugadzira hombe pombi casings kwatakatanga kushandisa yedu yakajairwa paramita ye duplex stainless. Takapinda mumaseti matatu ekuisa mune imwe shift. Kugadzirisa? Yakadonhedza SFM neinenge 25%, yakawedzera chikafu pazino, uye yakave nechokwadi chekuomarara mukuseta. Kamwe kamwe, kuiswa kwacho kwakatora shanduko yakazara, uye kupera kwepamusoro kwakavandudzika zvinoshamisa.
Kudhirowa nekugogodza ndiwo mamwe marwadzo. Peck drilling inosungirwa, nekudzoreredza kuzere kujekesa machipisi uye kutyora basa-kuomesa kutenderera. Pakubata, isu tinowanzo tsanangura maspiral-fluted matepi akagadzirirwa zvinhu zvakaomarara uye shandisa synchronous feed paCNC kudzivirira chip welding. Iro rinononoka, rakawanda basa remaitiro. Iko kuverenga kwehupfumi kunoshanduka kubva pakuwedzera nguva yemuchina kuenda kukuwedzera hupenyu hwechishandiso uye chikamu chemhando. Kumhanyisa inzira yechokwadi yekurasikirwa nemari pane zvakaraswa zvikamu uye yakaparadzwa tooling.
Welding uye Kugadzirwa: Iyo Kujoinha Puzzle
Apo musimboti wedu uri https://www.tsingtaocnc.com iri kukanda uye kugadzira, isu tinogara tichipa zvinhu zvinoda kubatanidzwa mune zvakakura welded zvimiro. Saka, kunzwisisa weldability chikamu chebasa. Ikoroy 825 inoonekwa seyakakwenenzverwa, asi nemapako makuru. Chinokosha ndechekudzivirira kunaya kwecarbide munzvimbo inobatwa nekupisa (HAZ).
Isu tinogara tichikurudzira kushandisa simbi dzinoenderana nekuzadza, senge ERNiFeCr-1 kana ENiFeCr-1 electrodes. Pre-heat haiwanzodikanwa, asi kudzora tembiricha yepakati kwakakosha - kuichengeta iri pasi pe150°C kunobatsira. Chikanganiso chikuru chataona vatengi vachiita kushandisa nzira dzakafanana dzekupisa kupisa dzavanoshandisa ku carbon steel. Ndiyo nzira yakavimbiswa yekugadzira yakafara, inonzwisiswa HAZ. Kupisa kwakadzika kupinza, tambo mabedhi, uye nekukurumidza kutonhora ishamwari dze825 welding. Post-weld heat treatment haina kujairika kunze kwekunge iwe uchida kudzoreredza kugadzikana kwedimensional kugadzikana musevhisi yakaoma, asi kana ukadaro, kudzoka kune iyo mhinduro anneal cycle.
Imwe nyaya inoshanda ndeye zvakasiyana-siyana welding. Kujoinha 825 kune kabhoni simbi kwakajairika kune akapfeka midziyo kana nozzles. Pano, iwe unoda buttering layer, kazhinji ine nickel alloy filler, kudzivirira kabhoni kutama kubva musimbi ichipinda mu825, iyo inogona kugadzira brittle zone. Inyaya iri nyore kufuratira padhirowa asi ine njodzi mubasa.
Kutsiva Kwezvinhu uye Musungo Wakakwana Wakavhara
Muzvirongwa zvisingadhuri, panogara paine kumanikidzwa kufunga dzimwe nzira. Dzimwe nguva, 316L ine Mo yokuwedzera inokurudzirwa, kana alloy 20. Apa ndipo panowanikwa sarudzo yezvinhu. Kwatiri, hazvisi zvemakemikari chete; iri pamusoro pehamvuropu yekuita.
Alloy 20 ine zvirinani sulfuric acid kuramba asi haina kusimba munzvimbo dzechloride se Ikoroy 825. Hastelloy C-276 ine oxidizing chlorides asi inouya nemutengo wepamusoro. Iyo sarudzo matrix inosanganisira iyo chaiyo ion concentration, tembiricha, pH, uye kuvapo kweoxidizing agents. Takaunzirwa zvikamu zvakatadza nguva isati yakwana nekuti mumwe munhu akatsiva alloy yakafanana asinganzwisise zvizere nharaunda yesevhisi - kazhinji inotonhodza mvura system yaive nema chlorides asingatarisirwe kana nzira yekuyerera ine trace fluorides iyo 825 inobata zvirinani.
Basa redu rinowanzova rekutaurirana. Mutengi anogona kutitumira spec ye825 chikamu. Nekukurukura nezvechishandiso chaicho - tembiricha, midhiya, kutenderera kutenderera - isu dzimwe nguva tinogona kusimbisa sarudzo kana, muzviitiko zvisingawanzo, tipe zano rinodhura zvakanyanya kana nharaunda yakapfava. Asi kazhinji pane kwete, kana iyo spec ichida 825, pane chakanaka, chakaomarara chikonzero chacho. Kutsiva neupofu inzira yekukurumidza kuenda kumunda kukundikana.
Kuvimbiswa Kwemhando: Iyo Pepa Trail chikamu cheChigadzirwa
Nechinhu chakaita seizvi, chitupa chekuenderana hachisi chimiro; chinhu chikuru chinounzwa. Isu tinopa zvedu Ikoroy 825 kubva kumagiyo ane mukurumbira uye kazhinji vanoita chechipiri chekuongorora. Muitiro wakajairwa wezvikamu zvakakosha ndeyekutumira couponi kubva pakupisa kumwe chete kuenda kune yechitatu-bato lab kune yakazara wet chemistry analysis. Sei? Nekuti chigayo certs chinowanzo kubva pakuongororwa kweladle. Chekupedzisira chigadzirwa kemikari inogona kuchinja zvishoma, uye ye825, zvishoma muTi kana C zvemukati zvinogona basa.
NDT zvakare yakasimudzwa. Kune ma castings, isu tinogara tichiita dhayi penetrant test yehurema hwepamusoro. Kune zvikamu zvine dzvinyiriro, radiographic yekuongorora ndiyo yakajairwa. Nzvimbo dzakagadzirwa nemichina dzinowanzoongororwa kuti dzinoshanda-kuomesa kana kubvarura. Iyi QA yakaoma inobva pakuti zvikamu izvi zvinowanzoenda mumasisitimu umo kukundikana hakusi sarudzo - subsea midziyo, makemikari ekugadzirisa mitsara, tsvina yekudzivirira scrubbers. Mutengo wekukundikana mumunda unoderedza mutengo wekunyatsoongorora kumberi.
Uku ndiko kuziva-kushandiswa kwekupedzisira kunoumba maitiro edu ese. Kubva panguva iyo Ikoroy 825 stock inosvika panzvimbo yedu muQingdao, kune yekupedzisira crating yevharuvhu yakapedzwa, yakaongororwa muviri kana pombi impeller, nhanho imwe neimwe inodzorwa nekunzwisisa kuti hatisi kungoumba simbi; tiri kupa chipingamupinyi kurwisa dzimwe nzvimbo dzemaindasitiri dzinoparadza zvakanyanya papasi. Basa iroro rinorayira kukurumidza, kutarisira, uye kuora mwoyo kwapanhambo nenhambo kunouya nokushanda nezvinhu zvakadaro zvinokwanisa asi zvinonetsa.
