Kana vakomana vazhinji vekutenga zvinhu vachinzwa 'special alloy bushing', vanobva vasvetukira kumagiredhi emhando - Inconel 718, Stellite 6, Hastelloy C-276 - vofunga kuti basa raitwa. Ndiyo yekutanga, uye inodhura, kukanganisa. Iyo alloy inongova nzvimbo yekutanga; dhiyabhorosi chaiye ari mukugadzira nzira uye chaiyo yebasa nharaunda, iyo iyo inodhinda inowanzotadza. Ndakaona mapurojekiti akawandisa apo yakashongedzwa necobalt-yakavakirwa bushing yakakundikana mumavhiki nekuti munhu wese akatarisa pane 'yakakosha' uye akanganwa nezve 'bushing' chikamu chebasa rayo.
Iyo yakakosha muAlloy Haisi Mashiripiti Bullet
Ngatitaure nezve cobalt-based alloys, seStellite. Ehe, zvinoshamisa kupfeka uye corrosion kuramba, yakakura kune yakakwirira-tembiricha maapplication senge turbine linkages kana akanyanya slurry pombi. Asi kuzvitsanangura ndicho chikamu chiri nyore. Nzira yekukanda yezvigadzirwa izvi imhuka yakasiyana. Havana kufanana nekudira grey iron. Maitiro ekunyunguduka, kuita kwegoko mold, iyo yekusimbisa shrinkage - kana yako yekutanga isina ruzivo rwakadzama, iwe unowana micro-kutsemuka, inclusions, kana kusagadzikana kuomarara kunze kwegedhi. Inotaridzika zvakakwana kusvika yaenda pasi pemaikorosikopu kana kushanda.
Ndinoyeuka mugadziri wevharuvhu achitsvaga batch ye special alloy bushings ye corrosive chemical processing line. Iwo ma certs aive akakwana, ese kune ASTM A494. Asi mukushanda, vakaratidza kurutsa nguva isati yakwana. Ongororo yekutadza yakaratidza kugoverwa kwecarbide. Kukandira kwakatonhora zvakanyanya, kusika brittle, isina kuenzana carbide network pamiganhu yezviyo. Iyo spec yakasangana, asi iyo metallurgy yaive isiri iyo yekushandisa. Kugadzirisa kwanga kusiri chinhu chitsva; yaive yakadzokororwa dhizaini ine inodzorwa kutonhora. Apa ndipo panoda mudiwa Qingdao Qiangsenyuan Technology Co., Ltd. (QSY) anomira kunze. Nemakumi matatu emakore mugoko uye kukanda mari, ivo vangangoona uye vakagadzirisa dambudziko iri rekutonhora rekutonhora kumhuri dzakasiyana dzealloy. Irwo ruzivo rwemaitiro, kwete chete choto, chakakosha.
Imwe tarisiro yakajairika ndeye machinability. Nickel-based alloys anozivikanwa nekuomesa basa. Iwe unogadzira bushing yakasimba-inoshivirira ine zvikamu zvitete. Kana iyo CNC machining kutevedzana yakadzimwa - isiriyo giredhi yekuisa, isiriyo chikafu / nekumhanyisa, isina kunaka inotonhorera application - iwe unokonzeresa kusarira kushushikana kana ganda rakaomarara. Chikamu chinopfuura kuongororwa kwekupedzisira asi chinokanganisa kana kutsemuka pasi pemutoro wekutanga. Kumera hakuna kukundikana; iyo post-casting process yakaita.
Dhizaini Yekugadzira, Kwete Chekuita Chekuita
Mainjiniya anofarira dhizaini yakanakira bhurocha: yakaoma nzira yekuzora, nzira dzepasi dzekuchengetedza chisimbiso, madziro matete ekuchengetedza uremu. Ipapo vanoikanda pamusoro pemadziro kune kugadzira. Nema alloys akakosha, iyi iresiphi yenjodzi uye mutengo wenyeredzi. Yese dhizaini nuance inowedzera kuoma.
Semuenzaniso, iwo mukati-akacherwa maburi emafuta emukati. Mune bushing resimbi, unovaboora mushure mekukanda. Iine nickel yakawanda kana cobalt alloys, post-casting drilling yakaoma. Kazhinji zviri nani kuakanda mukushandisa ceramic cores. Asi izvo zvinoda nyanzvi yekugadzira mold kuti ive nechokwadi chekuti musimboti unotsigirwa nemazvo uye haufambe panguva yekudira, uye kuti iyo yakakosha zvinhu inogona kubviswa zvizere mushure mekukanda pasina kusiya zvakasara. QSY inyanzvi mune shell mold casting uye Investment casting zvinonetsa apa. Vanogona kuraira pane zvinogoneka geometries kubva pakutanga. Mugero iwoyo unofanirwa kuve wakatenderera here kana kuti ovha? Iyo diki dhizaini angle inogona kuita iyo yakakosha kubvisa 100% yakavimbika pasina kukanganisa basa. Iyi yekumashure-uye-kumberi ndiyo inoparadzanisa prototype inoshanda kubva mukugadzira-yakagadzirira chikamu.
Kufanana kwemadziro kune imwe mhondi yakanyarara. Bushing inogona kunge iine flange yakakora uye sleeve yakatetepa. Kutonhodza kwakasiyana muforoma kunogadzira kushushikana. Mune brittle yakakosha alloy, izvi zvinogona kutungamirira kumisodzi inopisa - madiki madiki anotanga panguva yekusimba. Iwe unogona kusazviona pasina dhayi inopinda yekuongorora. Chidzidzo: dzimwe nguva unoda kuwedzera chinhu chidiki muchikamu chimwe kuti uve nechokwadi chekutonhodza yunifomu, wozochidzorera. Zvinoita senge kupambadza, asi zvakachipa pane 30% zvirahwe rate.
The Forgotten Factor: The Mating Surface
Hechino chidzidzo chakahwina: gwenzi harimboshanda riri roga. Kuita kwayo inzvimbo yehurongwa. Iwe unogona kuisa yakakwana yeStellite bushing mune yakapfava simbi imba, uye pasi pemutoro, iyo yakapfava dzimba deforms, misaligning the bushing uye kukonzera kumucheto-kurodha uye nekukurumidza kutadza. Kubatanidza zvinhu ndizvo zvese.
Takanga tine nyaya pane heavy-duty excavator pivot. The special alloy bushing (cobalt-based) yakatsanangurwa kune abrasion kuramba. Pini yaive simbi yakaoma. Iyo yekukundikana modhi yaive yakasimba yekunamira kupfeka. Dambudziko? Musiyano wekuoma wakanyanya. Idzo mbiri dzakatarisana ne-micro-welded pasi pepamusoro pekubata kumanikidzwa. Mhinduro yaive yekudzikisa zvishoma kuomarara kwebhushi uye kuve nechokwadi chekupera kwepamusoro pepini. Yakanga iri kupesana-intuitive - isu takashatisa bushing zvinhu zvivakwa kuita kuti sisitimu ishande. Urwu ndirwo rudzi rwekutonga kunoshanda kunouya kubva pakuona zvikamu zvichikundikana mumunda, kwete kubva pane data sheet.
Corrosion kuenderana ndeimwe minefield. Iyo super corrosion-resistant nickel alloy bushing inogona kugadzira galvanic cell ine imba yesimbi isina tsvina munzvimbo ine mvura, ichidya imba yacho. Dzimwe nguva, iwe unofanirwa kutsanangudza maoko ega ega kana majasi kwete ehubhu, asi kudzivirira muvakidzani wayo. The system view is non-negotiable.
Kana CNC Machining Inogadzira kana Kupwanya Bushing
Kukandira kunokupa iwe chimiro chakaomarara, asi chekupedzisira CNC machining inotsanangura kuita. Kushivirira ingori mutsara mumwe chete pakudhirowa. Kune bushing, kutendeseka kwepamusoro kunokosha. Iyo machining process haifanire kusvibisa zvinhu zvakagadziridzwa panguva yekukanda uye kupisa kurapwa.
Tora mvura-yakaomeswa nickel alloy seInconel 718. Inowana simba rayo kubva kune chaiyo yekupisa kupisa kutenderera. Aggressive machining anogona kugadzira kupisa kwakaringana kwenzvimbo kuti kuwedzere-chembere zvinhu zviri munzvimbo iyoyo, zvichigadzira nzvimbo yakapfava. Iyo bushing inogona kunge iine zviyero zvakakwana asi inotadza pasi pemutoro nekuda kwekusasimba kwenzvimbo iyi. Nyanzvi ine hunyanzvi, kana chitoro chine yakasanganiswa kukanda uye machining seQSY, anoziva kushandisa yakapinza, yakasarudzika maturusi, yakakwirira-kudzvanya inotonhorera, uye kureruka kupedzisa kupfuura kuchengetedza substrate.
Ipapo ndipo panobva papera. Girazi rinopera harina kunaka nguva dzose. Kune bushing inorehwa kuchengetedza mafuta, imwe nzira yemuchinjikwa-hatch inodiwa. Kune imwe inoshanda yakaoma kana ine yakasimba firimu lubricant, akasiyana roughness avhareji (Ra) ndiyo yakakwana. Kutaurira ichi chinoshanda chinodiwa kune timu yekugadzira kwakakosha. Kungoisa Ra 0.4 padhirowa kungave kwakaipa.
Mutengo vs. Hupenyu: Iko Kuverengera Chaiyo
The chikuru pushback pamusoro special alloy bushings inodhura nguva dzose. Imwe cobalt-alloy bushing inogona kuita 50x kabhoni simbi yakaenzana. Kugadzira izvi sechikamu chemutengo ndiyo nzira yaunorasikirwa nayo nharo. Iko kuverengera mutengo wakazara wevaridzi: chikamu mutengo + yekuisa basa + muchina kudzika nguva yekutsiva + kurasikirwa kwekugadzira panguva yekudzika.
Ndakashanda pakugadzira mupumburu unoramba uripo muchigayo chesimbi. Mabhuranzi ekutanga akapedza mavhiki matanhatu munzvimbo inopisa-yakanyanya, yakaremerwa. Nguva yekuzorora yekuvatsiva yaive maawa gumi nemaviri, ichidhura nhamba nhanhatu mukugadzirwa kwakarasika. Isu takachinjira kune centrifugally cast nickel-chromium-boron alloy bushing. Mari yeyuniti yacho yaishamisa. Asi vakapedza mwedzi inopfuura 18. Iyo ROI yakaverengerwa mumavhiki, kwete makore. Kiyi yaive kuratidza hupenyu hwese, izvo zvaida diki batch yekutyaira uye yakasimba in-situ yekutarisa. Hapana anotenga aya pavimbiso yebhurocha.
Apa ndipo panobhadhara kushandira pamwe nemugadziri akabatanidzwa. Kambani inobata kukanda, kupisa kurapwa, uye machining mukati-mumba, sema operation anotsanangurwa pa Chikamu cheQSY, inogona kupa kufanotaura kwakavimbika kwekuita uye hupenyu hwese nekuti ivo vanodzora cheni yese yakasiyana. Ivo vaonawo zvinoitika kana zvikamu zvadzo zvichisundirwa kumiganho mumunda, izvo zvinozivisa zvirinani kudzora maitiro kumashure muchitoro.
Kupedzisa Pasina Mhedziso
Hapana magumo makuru pano. Kutsanangura uye kugadzira yakavimbika yakakosha alloy bushing chiitiko mukugadzirisa kutengeserana-offs uye zvakavanzika zvakasiyana. Izvo ndezvekusarudza iyo chaiyo alloy mhuri, wozogadzirisa iyo yekukanda uye machining maitiro kune iwo chaiwo alloy's quirks eiyo chaiyo application. Iri pamusoro pekugadzira iyo system yakatenderedza bushing, kwete kungoita bushing iri yega. Uye ndezvekutsvaga mugadziri anonzwisisa hunhu hwezvinhu kubva pakunyunguduka kusvika pakuchekwa kwekupedzisira, anogona kuve mubatsiri wekutaurirana, kwete kungotora-odha. Chitupa chezvinyorwa ndiko kutanga kwehurukuro, kwete kupera kwayo. Iyo chaiyo yakanyorwa yakanyorwa mukuita pafekitari pasi, nguva refu mushure mekutenga kuvharwa.
