Kusarudza zvakanaka kukanda chikamu haisi yekutora mutengo wakachipa. Izvo ndezvekufananidza hunhu hwesimbi, kugadzikana kwedimensional, uye kudzora maitiro kune chaiyo-yepasirese kushushikana-kumanikidza kwakanyanya, kupisa bhasikoro, kupfeka abrasive. Isu takaona akawanda hydraulic pombi dzimba dzakapwanyika pa3,000 psi nekuti jecha rekukanda kushivirira hakuna kusimbiswa kupesana neGD&T callout. Vamwe vakatadza kuyedza kushanda mushure mekurapwa kwekupisa-kwete kubva kusarudzo isina kunaka yealloy, asi isingaenderane kutonhora kwemazinga mukati megomba reforoma. Kunyatsoita uye kudhura kwemari hakukwikwidzani. Ivo vanosangana kana kukanda dhizaini, kusarudzwa kwezvinhu, uye post-cast machining inoshanda seimwe system.
Tanga neNzira Yokutakura—Kwete Kudhirowa
Yese yakakwirira-kutendeseka kukanda chikamu inotanga nemafambiro anoita simba mauri. Imba yepiston pombi cylinder haingobata mvura-inotamisa torque, ine radial mitoro kubva kumagungano anotenderera, uye inopikisa axial thrust panguva yekumanikidza spikes. Izvo zvinoshandura zvese: kugova kwemadziro kugovera, kuiswa kwekusimudza, gating geometry. Takambogadzirisazve cobalt-alloy valve body yepombi yevhu yemafuta nekushandura gedhi guru kubva kumusoro kuenda kudivi. Mhedzisiro? Yakabvisa microporosity munzvimbo yakakosha yekuisa chisimbiso pamapfudzi-uye cheka post-machining zvimedu kubva pa18% kusvika 2.3%. Sei? Nekuti simbi yaiyerera yakatarisana negwara rekutakura, kwete kupokana nayo.
Izvi hazvisi dzidziso. Zvinoreva kutsanangura hudiki hwechikamu chehukobvu *per functional zone*, kwete pachikamu. Zvinoreva kuongorora dhizaini angles kwete yekuburitsa mold chete-asi nemabatiro avanoita kushushikana mupfungwa pasi pe cyclic kurodha. Uye zvinoreva kubata shrinkage mvumo kwete seyakagadziriswa muzana, asi sechinhu chakasungirirwa kunguva yekusimba yenzvimbo uye alloy density gradient.
Sarudzo Yechinhu Chisarudzo Chekuita-Kwete Chete Chepa
AMS 5387 cobalt alloy haisi "nani" pane ductile iron. Ndiyo mhinduro chaiyo chete kana yako kukanda chikamu inofanirwa kuchengetedza goho rinopfuura 650 ° C * uye * kuramba sulfide kusagadzikana kupaza munzvimbo dzakavava gasi. Asi iyo alloy imwe chete inoda kuomesesa mold kunyorova mukukanda jecha-uye inounza yakakomba maturusi kupfeka kana akagadzirwa pasina optimized inotonhorera kuburitsa uye carbide giredhi sarudzo.
Isu tinoteedzera zvitatu zvisingagone kutaurirana kune yega yega sarudzo yezvinhu:
- Batch traceability dzokera kunhamba yekupisa uye yakasimbiswa mill test mishumo-kwete chete "inoenderana neASTM A487"
- Microstructure kusimbiswa kuburikidza nemuchinjika-chikamu masampuli enzvimbo dzakaomarara (semuenzaniso, saizi yezviyo munzvimbo inotakura yewinch centre shaft rollers)
- Kuongororwa kwepashure-kupisa-kurapa uchishandisa kuomarara kwemepu pane yakaoma contours, kwete chete-point Rockwell bvunzo
Kana mutengi wekuEurope aida simbi isina tsvina yepombi yemvura yegungwa, takaita bvunzo dzekuenzanisa pamabhechi mashanu echoto-kunyangwe ese akasangana neASTM A743 Giredhi CF8M. Rimwe batch rakaratidza 12% yakaderera kureba panguva yekuzorora nekuda kwediki Mn/Si ratio reshiyo. Boka iroro harina kumbobva pauriri hwehwaro hwedu.
Kubatanidzwa Kunorova Handoff-Nguva Yese
Kupatsanura kukanda kubva kumachina kunogadzira mitengo yakavanzika: kushandazve kubva kusingaenzaniswi kupenya, zvikamu zvakaraswa nekuda kwekusaonekwa kwepasi pevhu porosity, kunonoka kuburitsa kubva kune zvisizvo zvekuongorora mapuroteni. PaQINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD., CNC machining fixtures akagadzirwa *panguva* yekuvandudza maitiro-kwete mushure mekukanda kwapera. Yedu CMM programmers vanogashira 3D scan data kubva kugirinhi-jecha molds * pamberi * kutanga kudira. Sei? Kufanotaura kuti shanduko yepakati ichasundidzira kupi zvimiro kubva mukushivirira-uye kugadzirisa machining offsets nekukurumidza.
Uku kusanganisa kwakatwasuka kunopa mhedzisiro inoyerwa:
- Dimensional kugadzikana kwakavandudzwa ne40% pamiviri yevharuvhu inoda ± 0.025 mm kushivirira.
- Surface kupera kuenderana kwakasimudzwa kubva kuRa 3.2 µm kuenda kuRa 1.6 µm pane cobalt-alloy nozzle bores-pasina kugaya kwechipiri.
- Kudzikisira nguva yemazuva gumi nematanhatu-17 pamidhi-vhoriyamu, yakasimbiswa mumapurojekiti makumi mana nemaviri muna2023.
Zvinorevawo kuramba mifananidzo "yakanaka zvakakwana". Mutengi wekuNorth America paakatitumira chati yeGD&T ine mareferensi edhamu asinganzwisisike eT800 alloy pombi yedzimba, takadzosa vhezheni yakanyorwa-inoratidza chaizvo kuti ndezvipi zvimiro zvaizonyura pasi pekuwedzera kwekupisa-uye takaronga zvirongwa zviviri zvedatum zvinotsigirwa neFEA simulation mhedzisiro.
Kubudirira Kwemari Kunogara mune Zvinyorwa Zvaunodzora
Kushanda kwechokwadi kwemutengo kunotanga isati yadirwa ladle yekutanga. Iri kusarudza kuisa mari pamusoro pejecha kune diki-batch cobalt-alloy plug-kwete nekuti "yakanaka," asi nekuti inobvisa maawa 3.5 ekutora manyore pachikamu uye inoderedza nguva yekupedzisira yekuongorora ne60%. Iri kutsanangura ZrO₂-yakavakirwa ceramic shell inosunga yeAMS 5387 castings kudzivirira sodium-induced surface embrittlement panguva yekudonha. Iri kuita nhamba yekudzora tembiricha ye mold * uye * ambient humidity - kwete kungonyungudika tembiricha.
Isu tinoyera mutengo kwete mumadhora pakirogiramu, asi mumutengo wakakwana pachikamu chakakodzera chakaunzwa. Izvo zvinosanganisira:
- Scrap rate inokonzerwa nekukandwa-kwakabatana nekukanganisa (porosity, kutonhora kunovhara, inclusions)
- Sekondari yekushanda nguva yakawedzerwa nekuda kwekusaenderana as-cast geometry
- Maawa einjiniya akapedzwa kugadzirisa kusawirirana pakati pematanho ekukanda uye machining
- Logistics mutengo wemhepo-yekutakura zvinhu zvinotsiva zvikamu mushure mekutadza kwemunda
Kune imwe yeSoutheast Asia mutengi weinjiniya mota winch shaft rollers, inochinja kubva kune yakajairwa grey iron kuenda kutsika-yakagadziridzwa EN-GJS-600-3 ductile iron-yakasanganiswa neinodzorwa kutonhora uye kunetseka-kubvisa-kuderedza hupenyu hwekuchengetedza mutengo ne37% kunyangwe 22% yepamusoro yekutanga mutengo wekukanda.
High-performance kukanda chikamu kugadzira kunoda zvinopfuura zvigadzirwa zvekutanga kana CNC mill. Zvinoda mainjiniya akabata vharuvhu yakatsemuka yehydraulic mumaoko avo na2 a.m. uye vakatsvaga kutadza kudzokera kune dhizaini yekusimudza. Zvinoda metallurgists vanoziva maitiro vanadium carbides muT800 alloy panguva yakasimba-nyika shanduko. Zvinoda masisitimu emhando anobata nzvimbo yese yekuongorora senge remhinduro-kwete muchengeti wegedhi. Ramangwana nderevadyidzani vanoona kukanda kwete sedanho rakazvimirira, asi sehwaro hwechikamu chehupenyu hwese-kubva kusimbi yakanyungudutswa kuenda kumishoni-yakakosha basa.
