Pamene wina atchula a Stellite bushing, chinthu choyamba chimene chimabwera m'maganizo nthawi zambiri ndi 'gawo lolimba kwambiri, losatha.' Kumeneko sikulakwa, koma ndi kufewetsa komwe kungayambitse zolakwika zamtengo wapatali mwatsatanetsatane. Ndawonapo mapulojekiti omwe kapangidwe kake kamafuna generic Stellite 6 bushing chifukwa pepala lodziwikiratu linanena kuti 'abrasion resistance resistance,' kungopangitsa kuti ndulu yake ikhale yochuluka kwambiri, yothamanga kwambiri. Zoona zake n'zakuti, Stellite si chinthu chimodzi; ndi banja la aloyi a cobalt-chromium, ndipo kusankha pakati, kunena kuti, Stellite 6, 12, kapena 21 kwa bushing yanu kumadalira ngati mukulimbana ndi kuphulika koyera, kukokoloka kwa abrasive, kuvala kwazitsulo ndi zitsulo, kapena kuphatikiza ndi dzimbiri. Kulakwitsa kumatanthauza kulephera msanga, ndipo ndakoka gawo langa lazachuma kuti nditsimikizire.
Kusankha Zinthu Zakuthupi Si Bokosi Lokha
Kumayambiriro kwa nthawi yanga yokhudzana ndi zigawozi, ndinaphunzira movutikira kuti kuyitanitsa a Stellite bushing zili ngati kuyitanitsa galimoto—mumafuna zambiri. Tinali ndi pulogalamu ya valve kwa kasitomala, yogwira slurry yokhala ndi tinthu tating'onoting'ono. Kuthamanga koyambirira kunagwiritsa ntchito zitsamba zopangidwa ndi aloyi wamba wa cobalt-chromium-tungsten. Iwo ankavala, koma osati kwambiri. Vuto linali shaft yokweretsa, yomwe inali kupeza zigoli. Kuvala sikunali kofanana; chinali kupanga dongosolo lomwe limatsogolera ku vibration. Kulephera sikunali kulephera koopsa; chinali machitidwe a msonkhano wonsewo wonyozeka kwa maola mazana angapo. Tinayenera kubwereranso ndikuyang'ana mawonekedwe a alloy carbide ndi kuuma kwake poyerekeza ndi zinthu za shaft. Zinapezeka kuti timafunikira giredi yokhala ndi ma carbides olimba kwambiri amtundu wa abrasive, ngakhale giredi yachibadwa inali ya abrasion.
Apa ndipamene kugwira ntchito ndi malo opangira makina ndi makina omwe amamvetsetsa zofunikira. Kampani ngati Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd. ali ndi chiyambi chofunsa mafunso awa. Pazaka zopitilira 30 akuponya ndi kupanga makina, awonanso zofanana. Zomwe adakumana nazo ndi nkhungu ya chipolopolo ndi kuponyera ndalama kwa ma aloyi apadera amatanthauza kuti samangotsanulira zitsulo; iwo akuwongolera microstructure yomwe imatanthauzira ngati izo Stellite bushing idzagwira ntchito. Ndikukumbukira kukambirana ndi gulu lawo la uinjiniya kamodzi za mitengo yolimba yamitengo yolimba yokhala ndi mipanda yopyapyala komanso momwe idakhudzira kugawa kwa carbide. Ndiwo mlingo umene kusankha zinthu kumachitikadi.
Mfundo ina yomwe nthawi zambiri imaphonya ndikulumikizana pakati pa njira yoponya ndi katundu womaliza. Kwa chigawo chokhuthala, chowoneka chosavuta, kuponya kokhazikika kungakhale kwabwino. Koma pa geometry yovuta kwambiri yokhala ndi makulidwe osiyanasiyana a khoma, ngati yomwe ili ndi mayendedwe ophatikizika kapena ma flanges, kusasinthika kwa njira yopangira ndalama kungakhale kofunika kwambiri kuti tipewe kuchepa kwa porosity m'malo opsinjika kwambiri. Simungangokonza cholakwikacho. Kuthekera kwapawiri kwa QSY mu nkhungu zonse za zipolopolo (zabwino pamindandanda yapakatikati, kutsirizika kwapamwamba) ndikuyika ndalama (mawonekedwe ovuta, ma aloyi onse) ndi mwayi wothandiza pano. Zimakuthandizani kuti mufanane ndi momwe gawolo limagwirira ntchito komanso kupsinjika, osati kujambula kwake.
Machining: Kumene Kutaya Kwabwino Kukhoza Kuipa
Ichi ndi gawo lomwe limasunga makina usiku. Mupeza kuponyedwa mwangwiro Stellite bushing palibe, ndipo ntchitoyo yatha pang'onopang'ono. Stellite ntchito-umauma. Mwamakani. Ngati chida chanu, liwiro, chakudya, kapena zida zazimitsidwa, mutha kuwotcha zoyikapo, kuyambitsa ming'alu yaying'ono pamwamba, kapena kusiya kupsinjika komwe kumakhala koyambitsa kulephera. Ndadula mbali pochita ndewu kwambiri pa chiphaso chomaliza, ndikupanga kumaliza kokongola komwe kumabisa kusanjikiza kolimba, kosokoneza.
Cholinga chake ndi kudula zinthu, osati kuzipaka. Tinakhazikika pakugwiritsa ntchito makonzedwe okhwima, ma carbide akuthwa makamaka azitsulo zotentha kwambiri, ndi lamulo lachamba: kuya kwakuya kodulidwa, kuthamanga pang'ono, ndi chakudya chokhazikika kuti tilowe pansi pa ntchito yowumitsidwa ndi ntchito yapitayi. Kuziziritsa ndi mkangano wina. Ena amalumbira ndi madzi ozizirirapo madzi kuti achepetse kutentha. Ena, kuphatikizaponso ine, nthawi zambiri amakonda kuphulika kwa mpweya kwa Stellite, chifukwa amapewa kutenthedwa kwa kutentha komwe kungayambitse kusweka, ndipo kumayeretsa bwino tchipisi kuti tipewe kubwereza. Ndi bwino, ndipo inu kukhala kumverera kwa izo. Zochita zamakina a CNC m'sitolo, monga zomwe QSY ikuwonetsa, ndizofunikira apa. Sikuti kukhala ndi makina okha; ndi za anasonkhanitsa mafuko kudziwa mmene kuthamanga iwo amakani kaloti izi.
Post-machining, zoyenera ndi zomaliza ndizo zonse. Bushing si chotchinga; ndi mawonekedwe olondola. Kulekerera kwa ID, kumaliza kwapamtunda (mtengo wa Ra), ndi kukongoletsa kulikonse kapena kupukuta kumatha kupanga kusiyana kwakukulu pakuthamangitsidwa koyambirira ndi kusunga mafuta. Nthawi ina tinali ndi vuto ndi kugwidwa kwa ma bushings panthawi yoyambira pompa. Pambuyo poletsa kusanja ndi mafuta, tinayang'ana tchire lomwe. Kutsirizitsa kwa ID kunali kosalala kwambiri - sikunali kugwira bwino filimu yamafuta panthawi yoyambira yotsika. Kuwomba kopepuka kophatikizika kunathetsa izo. Ndi tsatanetsatane yaying'ono yokhala ndi zotsatira zazikulu.
The Special Alloy Context ndi Real-World Trade-offs
Stellite imakhala m'gulu lapadera la alloy pazifukwa. Ndi okwera mtengo. Maziko a cobalt, zinthu zanzeru monga tungsten kapena molybdenum, kuponyera kolondola komanso makina ovuta - zonsezi zimawonjezera. Kotero, simunatchule a Stellite bushing pa ntchito iliyonse. Kuwerengera ndi mtengo wathunthu wa umwini: gawolo mtengo motsutsana ndi mtengo wanthawi yopumira, ntchito yosinthira, ndi kuwonongeka kwa chikole chifukwa chakulephera. Mu mpope wa jakisoni wovuta pa nsanja yakunyanja, Stelite bushing ndi inshuwaransi yotsika mtengo. Mu chodzigudubuza chovuta kwambiri, chofikirika mosavuta, chitsulo cholimba kwambiri kapenanso chitsamba chamkuwa chikhoza kukhala chisankho chachuma pa moyo wake.
Apa ndipamene gawo la utumiki wonse la mnzanu limakhala lofunika. Kampani yomwe imapereka kuponyedwa kwa aloyi ndi makina otsatila, monga mautumiki omwe afotokozedwa ndi QSY, akhoza kupereka kusanthula kwamtengo wapatali. Atha kulangiza ngati kuwulutsa kofanana ndi ukonde kungachepetse maola opangira makina, kapena ngati cholumikizira chosiyana pang'ono m'banja chingakhale chosavuta kuchipanga ndikungosinthana pang'ono pazovala zachombocho. Akuyang'ana njira yonse yopangira zinthu, osati kukugulitsani kuponya.
Ndikukumbukira pulojekiti yomwe tinali kuyang'ana tchire la shaft yotentha kwambiri. Lingaliro loyambirira linali Stellite 6. Komabe, atatha kukambirana za malo ogwirira ntchito-kutentha kwa cyclic mpaka pafupifupi 750 ° C, kukhalapo kwa mankhwala a sulfure - malingalirowo adasinthira ku alloy yopangidwa ndi nickel yomwe adagwiranso ntchito. Zinali bwino kukana dzimbiri zotentha za mlengalenga womwewo, ngakhale kuti kutentha kwake kwa chipinda kunali kochepa. Anthu a m’tchire ankakhala m’ng’anjo, osati m’kabuku. Zinthu zoyenera zidabwera chifukwa chomvetsetsa kagwiritsidwe ntchito, osati dzina lachidziwitso lokha.
Zolephera ndi Maphunziro: Nkhani Zosapukutidwa
Sikuti nkhani iliyonse ili ndi mapeto abwino. Tinayesa kukankhira malire kamodzi ndi monolithic Stellite bushing m'malo okwera kwambiri, okonda kugunda. Chiphunzitso chinali mphamvu yake yopondereza ndi kuuma kwake kukanatha kuigwira. Zinatero, kwa kanthawi. Kenako chinang’ambika. Osatopa—wosweka. Phunziro linali lakuti brittleness yachibadwa ya alloy yolimba kwambiri sinathe kupirira kugwedeza kwadzidzidzi. Tinathetsa izi pokonzanso gululo kuti tigwiritse ntchito chovala cha Stellite chokanidwa kukhala nyumba yolimba, yachitsulo, ndikulola chinthu chilichonse kuchita chomwe chinali bwino. Ntchito ya bushing idasinthidwanso kuchokera ku chigawo chomangika kupita kumalo ovala oyera.
Vuto lina lofala ndi kunyalanyaza malo okwerera. Kuyika chitsamba cholimba kwambiri cha Stellite motsutsana ndi shaft yachitsulo chofatsa ndi njira yowonongera shaft. Nthawi zambiri mumayenera kukweza zida za shaft kapena chithandizo chake chapamwamba (hard chrome, spray spray) kuti mupange awiri ogwirizana. Ndi dongosolo. Ndawonapo ma bushings opangidwa bwino atabwezeredwa pansi pa chitsimikizo, ndikupeza kuti kulephera kudachitika chifukwa cha shaft yofewa, yokhala ngati fayilo yotsutsana ndi ID ya bushing.
Zochitika izi zimapanga kawonedwe kowoneka bwino. Mumayamba kuyang'ana bushing osati ngati chinthu chopanda pake, koma ngati mawonekedwe opangidwa mkati mwa dongosolo. Mafunso amachulukana: Kodi mtengo wa PV (Pressure-Velocity) ndi wotani? Kodi malire amafuta, osakanikirana, kapena filimu yonse? Kodi pali mikhalidwe yodzaza m'mphepete? Mayankho amatsogolera kusankha kwa aloyi, njira yopangira umphumphu, mafotokozedwe a makina omaliza ndi kulolerana, ndi njira zowunika zomaliza.
Kukukulunga: Kupitilira pa Mapepala Odziwika
Ndiye, takeaway ndi chiyani Mitundu ya stellate? Ndikuti mtengowo suli mu chidutswa cha aloyi mumalandira. Zili mgulu la zisankho ndi ukatswiri zomwe zimapanga gawo loyenera ndi cholinga china, chomwe nthawi zambiri chimalanga. Zimayamba ndikuwunika moona mtima za kulephera, kumayenda m'zinthu zogwirira ntchito ndikusankha njira ndi wothandizira wodziwa bwino, kumafuna makina osamala, ndikuyang'ana dongosolo lonse la momwe lidzagwirira ntchito.
Otsatsa omwe akhala m'ngalande, monga QSY ndi zaka makumi ambiri akuponya ndi kupanga zida izi, amakhala ochulukirapo kuposa ogulitsa. Iwo amakhala alangizi. Iwo mwina awona zana zosiyana za vuto lanu. Ntchito yawo ndi kumasulira zofunikira zogwirira ntchito-tifunika kuti izi zikhale nthawi yayitali mu supu yotentha, yowopsya, yowononga - mu gawo lopangidwa, lodalirika. Kumasulira kumeneko ndi kumene uinjiniya weniweni umachitika, kale nkhungu yoyamba isanapangidwe.
Pamapeto pake, kutchula Stellite bushing ndi mawu akuti nthawi yopuma ndiyosavomerezeka ndipo ntchito ndiyofunikira. Kuzikonza bwino ndi ntchito yaukadaulo pakugwiritsa ntchito zitsulo, sayansi yopanga zinthu, komanso zimango. Kulakwitsa ndi phunziro lokwera mtengo. Kusiyana pakati pa ziwirizi nthawi zambiri kumakhala mukuzama kwa zokambirana zomwe mumakambirana ndi msonkhano wanu, dongosolo logulira lisanadulidwe.
