Paunonzwa 'Incoloy chubhu,' chinhu chekutanga chinobuda kazhinji i data sheet - iyo austenitic chimiro, nickel-iron-chromium base, iyo oxidation kuramba. Asi ndiko kungotangira. Iyo chaiyo nyaya inotanga paunenge uchiedza kuikotamisa, kuipinza, kana kusundidzira kumiganhu yayo munzvimbo inovava sevhisi. Ndakaona mapurojekiti akawanda achigumburwa nekuti vakabata iyo spec sezwi rekupedzisira. Mhuri yealloy, senge Ikoroy 800H kana Ikoroy 825, inokupa hurongwa, asi maitiro echubhu inotarirwa nenhoroondo yayo yose - kubva muchitoro chekunyungudutsa kusvika kune yekupedzisira kupisa kupisa. Kuwana izvozvo ndiko uko makumi emakumi emakore ekugadzira uye machining ruzivo, seizvo zvaunowana pafemu yakaita seQingdao Qiangsenyuan Technology Co., Ltd.(QSY), zvine basa.
Iwo Manufacturing Nuances Anonyanya Kutarisisa
Ngatitaurei nezve maitirwo ekukanda aya machubhu, kunyanya kune akaomesesa mafittings kana makobvu-amadziro zvikamu. Nekudyara kwekudyara, iyo QSY yanga ichiita kweanopfuura makore makumi matatu, kutonga pamusoro pezviyo chimiro kwakakosha kune Icoloy chubhu. Hazvisi zvekudira munyungudika chete. Iyo shell mold zvinhu, pre-heat tembiricha, mwero wekutonhora - kutsauka zvishoma pano kunogona kuunza kupatsanurwa kwezvinhu zvakaita setitanium kana aluminium mumagiredhi se800H. Izvi hazviwanzo kuratidzira pane yakajairwa PMI bvunzo, asi zvinokushungurudza iwe panguva yepamusoro-tembiricha sevhisi, zvichitungamira mukumisikidzwa nguva isati yakwana. Ndinoyeuka batch yemisoro yakawanda yairamba ichitadza bvunzo dze hydro pa ma welds; muparidzi akarondwa kumashure kusingawirirani kutonhora muinvestment casting stage, kugadzira localized stress points hapana akafunga kutarisa.
Ipapo pane machining. Vanhu vanofungidzira kuti nekuti iri nickel alloy, iwe unongokanda carbide pairi uye tariro yezvakanakisa. Ndiyo nzira yekukurumidza kune yakaparara maturusi uye basa-rakaoma nzvimbo. Iyo stringy chip kuumbwa kweIncoloy inogona kuve inotyisa. Unoda kugadzikwa kwakasimba, ma angles akanaka, uye sarudzo yekuziva nezve inotonhodza - dzimwe nguva mafashama akanyanya anodiwa, dzimwe nguva kune mamwe maoparesheni, unogona kuswedera pedyo-kuoma kudzivirira nyaya dzekuona. Chinangwa ndechekuzadzisa iyo kupedzisa kwepamusoro pasina kudzvanya kushushikana, inova saiti yekutanga yekushungurudzika ngura kutsemuka gare gare. Manzwiro aunoita, kwete chimwe chinhu chaunowana kubva mubhuku rekushandisa.
Post-casting heat treatment ndiyo imwe minefield. Solution annealing yekuzorodza kushushikana ndeye chiyero, asi iyo yekudzima yepakati uye kumhanya ndizvo zvese. Kudzima mvura? Mafuta? Kumanikidzwa mhepo? Izvo zvinoenderana nehupamhi hwechikamu chechubhu. Mudhuri wakakora Ikoroy 825 chubhu yakadzimwa zvine hukasha inogona kuchinjika kana kutsemuka. Zvishoma nezvishoma, uye unoisa panjodzi yekunaya kwecarbide mumiganho yezviyo, uchikunda chinangwa chayo kubva mukuora. Takadzidza izvi nenzira yakaoma pachirongwa chegeothermal, uko machubhu akatadza kuongororwa mushure mezvataifunga kuti ibhuku rekuverenga. Kuremerwa kwechoto kwakanyanyisa, kusika kusaenzana kwemafuta ekupisa. Chakanga chiri chidzidzo chinodhura muchiyero uye kudzora maitiro.
Welding: Apo Dzidziso Inosangana neTorch
Apa ndipo panosangana mugwagwa. Wese munhu anotaura nezve kushandisa matching filler simbi, asi gadziriro ndeye 90% yehondo. For an Icoloy chubhu, chiso chebevel uye mukati medhayamita (ID) pamusoro panofanira kunge yakachena - uye handirevi kupukuta. Chero zvimedu zvesimbi zvakamisikidzwa kubva kune zvakamboshandiswa kana kubata (kukuya huruva kubva kabhoni simbi iri pedyo inosvibisa yekare) inogadzira dilution yesimbi mudziva re weld. Izvi zvinogona kudzikisa zvakanyanya kushora kwekudzivirira panzvimbo yeweld, kugadzira inode yakakwana yegalvanic kurwisa mubasa.
Iyo interpass tembiricha control haigone kutaurirana asi kazhinji inotariswa zvakasununguka. Kurega chubhu ichipisa zvakanyanya pakati pezvinopfuura, kunyanya munzvimbo dzakaganhurirwa, zvinogona kukonzera kukura kwezviyo zvakanyanya munzvimbo inobatwa nekupisa (HAZ). Iyi nharaunda inozove iyo isina kusimba chinongedzo, shoma ductile uye inowanzo pwanya pasi pekupisa bhasikoro. Ndakaona vacheri vachiedza kukurumidzira socket weld pane diki-diameter Incoloy chubhu, vachiregeredza kukwira kwekupisa, vongoita kuti weld ibve zvinonzwika panguva yekutonhora. Inonzwika sediki 'ping' - ruzha rwekugadzirisazve.
Kuchenesa musana ndeimwe dzidziso. Kune tubing inotakura corrosive media, yakazara argon kutsigira kwakakosha kudzivirira shugaring (oxidation) paID weld bead. Asi huwandu uye chiyero chekuyerera zvine basa. Kunyanya kudzvinyirirwa uye unofuridza nepamudzi wako kupfuura; zvishoma uye unowana mudzi une porous, wakasvibiswa. Kwemapombi akareba, takashandisa madhamu anonyungudika ekuchenesa, ayo makambani anoshanda mukugadzira nekugadzira seQSY angave achijairana nawo, kuchengetedza gasi uye kuona kufukidzwa. Icho chinyengeri chiri nyore, asi kuikanganwa kunokanganisa kutendeseka kwechubhu yose kubva mukati kunze.
The Material Selection Musungo
Chikanganiso chakajairika kusamira kune iro rine mukurumbira giredhi, senge Ikoroy 800H, yekushanda kwepamusoro-tembiricha pasina kufunga nezvemhoteredzo yakazara. Hongu, ine simba guru uye carburization kuramba. Asi kana nharaunda iine kana kuteedzera huwandu hwesarufa, unogona kupihwa zvirinani nepamusoro nickel content alloy. Mapepa edata anonyora zvinopokana zvikuru, asi mhondi dzinyararire ndidzo tsvina diki murukova rwekuita. A kukundikana ongororo yandakanga ndiri chikamu kurondwa kudzokera sulfidation kurwisa 800H machubhu mu reformer choto; iyo feedstock ongororo yakanga yachinja zvishoma, uye hapana akaongororazve kukodzera kwezvinhu.
Zvadaro pane mutengo-inofambiswa kutsiva mutambo. Mumwe munhu anoona 'nickel-based' uye anofunga yakaderera-mutengo austenitic isina tsvina senge 304H ingaite. Kune mamwe mabasa ekudzikira kwecorrosion, pamwe. Asi kune kwechokwadi kupisa kuneta uye kukambaira kuramba, iyo microstructure yeIncoloy yakasiyana zvakanyanya. Maitiro ekusimbisa kubva kualuminium / titanium yekuwedzera (muzera-akaoma mamakisi) kana iyo yakasimba mhinduro inosimbisa kubva molybdenum nemhangura (mu. Ikoroy 825) hazvisi zvekuwedzera. Ndivo chigadzirwa. Kusarudza chubhu ndeyekufananidza iyo metallurgical identity kune yekutadza modes yauri kuedza kudzivirira.
Apa ndipo apo kubatana nemutengesi anonzwisisa rwendo rwezvinhu zvakakosha. Kambani inobata zvese kubva kugoko rekukanda kukanda kweakasvibira maumbirwo kusvika kune yekupedzisira CNC machining yechubhu inopera uye flanges, seQSY, inoonekwa mukati meketani yese. Havasi kungocheka stock chubhu; vanonzwisisa kuti porosity yekukanda, kana iripo, inokanganisa sei pamusoro pemuchina, kana kuti mabatirwo ekupisa kubva pachigayo angapindirana sei nekuzotevera welding oparesheni. Maonero iwayo akazara anodzivirira kunongedzera zvigunwe zvakawanda gare gare.
Real-World Application uye Kukundikana Points
Mukuchinjanisa kupisa, machubhu ndiwo ane hupenyu. Ndakashanda pane shell-and-chubhu mayunitsi uko Icoloy chubhu bundle yakatsanangurwa nemazvo, asi iyo tube-to-tubesheet weld maitiro yaive yekutevera. Kuwedzera kwemutsauko pakati peIncoloy chubhu uye kabhoni simbi tubesheet kunogadzira kushushikana kukuru. Iwe unoda yakadzama weld kutevedzana, kazhinji iine simba weld inoteverwa nechisimbiso weld, uye dzimwe nguva kunyange nekuputika kuwedzera kwechubhu mushizha kugadzirisa izvo zvinonetsa. Svetuka nhanho idzi, uye iwe uchaona kuvuza pamajoini mukati mekutanga mashoma ekudziya kutenderera.
Imwe pfungwa yakavanzika ndeye vibration-induced kuneta. Inconel alloys inowanzosarudzwa nokuda kweizvi, asi machubhu eIncoloy akareba, asingatsigirwi anopindirana mukati, anoti, moto unopisa unogonawo kutambura. Haisi nguva dzose mune dhizaini specs yekutarisa acoustic vibration kana kuyerera-induced vibration frequency. Takanga tine nyaya apo bhanga re Ikoroy 825 machubhu mubira yekupisa tsvina akagadzira mitswe padyo nezvitsigiro. Mhedzisiro yacho yaive resonant frequency yakamiswa nekuyerera kwegasi, chimwe chinhu chakareruka chekuongorora kusagadzikana hachina kubata. Kugadzirisa kwaisanganisira kuwedzera yepakati-span inotsigira kushandura yakasikwa frequency - iri nyore mechanicha mhinduro yeyakaoma metallurgical chikamu.
Kuongorora ndiyo mutsara wako wekupedzisira wekudzivirira. Dye penetrant test (PT) yakanakira kutsemuka kwepasi, asi kune Icoloy tubes, kunyanya mushure mekunama, ini ndiri mutsigiri weeddy current test (ECT) yenzvimbo yakakanganiswa nekupisa. Inogona kutora subsurface anomalies uye mutsauko wezvinhu zvinhu izvo PT inopotsa. Ultrasonic kuyedzwa (UT) yakanakira kukora kwemadziro uye hurema hwakakomba, asi kuimisa nemazvo kune yakaomarara chimiro chezviyo zvekukandwa kana welded Incoloy chikamu chinoda chaiwo mabhuroki ekuyeresa akagadzirwa nezvinhu zvakafanana. Kushandisa simbi yakajairwa block inokupa iwe kuverenga kusingavimbike. Ndizvo izvi zvinopatsanura QA yakakodzera kubva pakuita mapepa.
Mafungiro Ekupedzisira: Inzira, Kwete Chigadzirwa
Saka, paunenge uchitsvaga kana kutsanangura an Icoloy chubhu, hausi kungotenga kureba kwearoy-resistant alloy. Iwe uri kutenga kutendeseka kwese kwese kugadzira maitiro akaigadzira. Iyo yekunyunguduka, maparamendi ekukanda, kupisa kwekupisa curve, machining strategy, uye welding maitiro zvese zvakabikwa mukuita kwekupedzisira. Iwe haugone kuongorora mhando muchubhu isina kunyatsogadzirwa kubva pakutanga.
Ichi ndicho chikonzero mamiriro emutengesi ari kutaura. Kambani ine midzi yakadzika mukukanda uye machining, seQingdao Qiangsenyuan Technology Co., Ltd., inounza iyo maitiro-yakatarisana nemafungiro. Vanogona kunge vakasangana nehondo panguva yekupisa kupisa, kupfeka kwechishandiso panguva yekugadzira, uye matambudziko ekugadzirisa panguva yekugadzira. Chiitiko ichocho chinoshandura kuva chigadzirwa chakavimbika nokuti vanonzwisisa zvakasiyana-siyana. Iwe unogona kuwana maitiro avo ekushanda neakakosha alloys senge aya panzvimbo yavo, https://www.tsingtaocnc.com.
Mukupedzisira, iyo spec sheet inokutora iwe muballpark. Asi kuchengeta yako Incoloy tubing ichimhanya zvakavimbika kwemakumi emakore kunouya pasi kune gritty, maoko-paruzivo rwemabatiro anoita zvinhu kana zvisiri mune yakakwana, lab-mamiriro ezvinhu. Ndezvekutarisira matambudziko asiri mubhurocha. Ndiwo musiyano pakati pechubhu inosangana nekodhi uye chubhu inongogara.
