Mukamva Stellite 12, chinthu choyamba chomwe chimabwera m'maganizo kwa ambiri ndicho kukana kwake kwa nyenyezi. Ndizowona, koma ndi msampha pang'ono. M'zaka zanga zomwe ndikuchita ndi ma aloyi apadera, ndawonapo mapulojekiti ochuluka kwambiri pomwe adatchulidwira pafupifupi mwachisawawa pazovala zapamwamba, popanda kudumphira mumbiri yake yonse. Ndi cobalt-chromium alloy, inde, koma machitidwe ake pansi pa zovuta zosiyanasiyana, machinability ake pambuyo poponya, ndi machitidwe ake motsutsana ndi zodetsa zenizeni ndipamene nkhani yeniyeni ili. Sichipolopolo chamatsenga, ndipo kuchichita ngati chimodzi ndi njira yachangu yowotcha bajeti ndi nthawi.
The Core Profile ndi Common Pitfalls
Stellite 12 imakhala m'malo osangalatsa pakati pa Stellite 6 yodziwika bwino ndi magiredi apamwamba kwambiri, osamva ma abrasion. Kupangidwa kwake mwadzina kumapangitsa kukana kuvala kwachitsulo ndi chitsulo, kukwiya, komanso ngakhale mulingo woyenera wa dzimbiri. Koma apa pali hiccup yoyamba yothandiza: machinability ake. M'malo ngati-cast, ndizovuta. Ndikutanthauza, zolimba kwenikweni. Simungathe kuziponya pa makina aliwonse a CNC okhala ndi zida za carbide ndikuyembekezera kutha kosalala kapena mtundu uliwonse wa moyo wa chida. Tinaphunzira izi movutikira kale.
Ndikukumbukira pulojekiti yopangira ma valve pagawo lamafuta ndi gasi. Pepala lodziwika likufunika Stellite 12 zokutira pamalo okhala. Kuyesera koyamba kwa makina, kutengera magawo a zitsulo zolimba, zidapangitsa kuti zida zidulidwe mwachangu komanso kusakhulupirika kwapamtunda. Kutentha kwamphamvu kunali koopsa, zomwe zimatha kusintha mawonekedwe ang'onoang'ono pafupi ndi pamwamba ngati simusamala. Zinakakamiza kuunikanso kwathunthu kwa njira yathu yogwiritsira ntchito zida - kusinthira kumagulu apadera a carbide, kuchepetsa kwambiri ma feed, ndikugwiritsa ntchito zoziziritsa kukhosi zothamanga kwambiri ndendende momwe zimapangidwira. Izo sizinali za mphamvu yankhanza; zinali zokhudza kuchotsa zinthu zoyendetsedwa bwino.
Izi zimalumikizana mwachindunji ndi njira yoponya yokha. Kwa kampani ngati Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), yomwe ili ndi zaka makumi ambiri mu nkhungu ya chipolopolo ndi kuponya ndalama, vuto silimangotulutsa mawu. Ndizokhudza kumvetsetsa momwe alloy imalimba, kuwongolera kugawa kwa carbide mkati mwa matrix a cobalt-chromium. Kuzizira kosayendetsedwa bwino kungayambitse kulekanitsa kwambiri kwa carbide, kupangitsa kufooka komweko komwe kungawonekere pakukonza komaliza kapena, koyipa, muutumiki. Zomwe adakumana nazo ndi ma aloyi apadera, monga tawonera patsamba lawo tsngtaocnc.com, ndizofunikira apa. Sikuti kukhala ndi ng'anjo; ndi za ndondomeko chidziwitso anamanga pa zaka 30 kuti amaonetsetsa Stellite 12 mumapeza ali ndi mawonekedwe, odalirika a microstructure kuyambira pachiyambi.
Ma Nuances Ogwiritsa Ntchito ndi Makhalidwe Adziko lenileni
Kodi Stellite 12 imawala kuti? Ndi yabwino kwambiri pazigawo zomwe zimayang'anizana ndi kuvala kophatikizana komanso kukhudzika pang'ono, kapena pomwe dzimbiri ndi chinthu chogwirizana ndi abrasion. Ganizirani za manja a pampu, zotchingira ma valve, malo ena onyamula, komanso m'mphepete mwa zida zaulimi. Koma muyenera kufananiza kalasiyo ndi makina enieni ovala. Ngati mdani wamkulu ndi woyera, kupsinjika kwakukulu kuchokera ku silika kapena zofanana, Stetellite yapamwamba kwambiri ya carbon ikhoza kukhala yabwinoko. Ngati zambiri za dzimbiri, magiredi ena amabwera.
Ndidagwira ntchito yokhudzana ndi zida zopangira chakudya pamzere wopangira chakudya. Zinthu zomwe ankazigwira zinali zotuwa komanso zowononga pang'ono. Stellite 12 inasankhidwa chifukwa cha kulinganiza kwake. Komabe, mapangidwe oyambirirawo anali ndi ngodya zakuthwa zamkati. Panthawi yopangira ndalama pa foundry-ndondomeko yomwe QSY imagwira ntchito-izi zidabweretsa zovuta. Kukhuthala kwa alloy ndi kulimba kwake zidapangitsa kuti zikhale zovuta kudzaza zinthu zakuthwazo popanda chilema. Yankho lake linali kukonzanso kogwirizana, kufewetsa ngodya pang'ono. Izi sizinakhudze ntchito koma zidapangitsa gawolo kukhala lokhazikika komanso lodalirika. Uwu ndi mtundu wothandiza, wothetsera mavuto omwe amalekanitsa ntchito yabwino ndi kulephera.
Mfundo ina yosadziwika bwino ndi machitidwe ake mu zovala zotentha kwambiri. Imasunga kuuma kwake bwino mpaka 600-700 ° C, ndichifukwa chake mumayiwona pazida zina zotentha kapena zida za injini. Koma pali chenjezo: kukana kwake kwa okosijeni, ngakhale kuli bwino, sikungatheke. M'malo otalikirapo, otentha kwambiri oxidizing, mutha kuwona mapangidwe achuluke kuposa ma aloyi opangidwa ndi faifi tambala. Ndi kusinthanitsa. Mukusankha kuti muvale pa kutentha, ndi kukana kwa okosijeni ngati chothandiza chachiwiri, osati choyambirira.
Machining ndi Post-Processing Zenizeni
Tiyeni tibwerere ku Machining, chifukwa nthawi zambiri ndiye dalaivala wokwera mtengo kwambiri pambuyo pa zinthu zomwezo. Monga tanenera, ndi chimbalangondo makina. Kupera nthawi zambiri ndiyo njira yabwino yomaliza kumaliza ndikukwaniritsa kulolerana kolimba. Koma ngakhale kugaya kumafuna kapangidwe ka magudumu oyenera ndi njira yopewera kuwotcha pamwamba kapena kuyambitsa ming'alu yaying'ono.
CNC Machining ndi kotheka, ndipo apa ndipamene ophatikiza mautumiki amawonjezera phindu lalikulu. Kampani yomwe imagwira ntchito zoponya komanso makina a CNC, monga QSY, ili ndi mwayi waukulu. Amamvetsetsa momwe zinthu zimakhalira kuchokera kumadzi kupita ku gawo lomaliza. Iwo akhoza kukonzekera Machining katundu allowance pa kuponya chitsanzo mapangidwe, kudziwa ndendende mmene zinthu adzachita ndi kudula mphamvu. Kuyesera kutulutsa kuchokera ku shopu ina ndikuikonza kwina, popanda chidziwitso chogawana ichi, nthawi zambiri kumabweretsa kuloza zala pakabuka zovuta. Kufotokozera pa tsngtaocnc.com kuunikila ukatswiri awo ophatikizana kuponya ndi CNC Machining si malonda fluff; ndichofunika kwambiri kayendetsedwe ka ntchito kwa ma aloyi ngati awa.
Kuwotcherera ndi zolimba ndi Stellite 12 ndizofalanso, makamaka pakukonza kapena zokutira pamitengo yotsika mtengo. Kuwongolera kutentha kwa preheat ndi interpass ndikofunikira kuti mupewe kusweka. Kuthamanga kwambiri kuzizira, ndipo mumapeza chosungira chokongola, cholimba chomwe chili ndi microfissures. Ndi gawo lina lomwe ndondomeko ndi mfumu, ndipo amakumana ndi trumps chiphunzitso nthawi zonse.
Kufufuza ndi Kulingalira Kwabwino
Sikuti Stetellite 12 onse amapangidwa mofanana. Ubwino wa ingot yaiwisi, kuwongolera kwa chinthu, ndi kupangikanso kwa njira yoponya zimatanthawuza momwe gawo lomaliza limagwirira ntchito. Kupeza kuchokera ku maziko omwe ali ndi mbiri yotsimikizika mu ma alloys opangidwa ndi cobalt sikungakambirane pazinthu zofunika kwambiri. Mufunika ziphaso, koma koposa zonse, mufunika umboni wowongolera njira - ma rekodi a kutentha kwambiri, zolemba zakale za micrograph, zotsatira zoyeserera zamakina.
Apa ndipamene mbiri ya opareshoni yomwe idakhalapo nthawi yayitali imafunikira. Kampani yomwe ikugwira ntchito kwa zaka zopitilira 30, monga QSY yachitira, yakhala ikuyendetsa masinthidwe angapo ndikuwongolera njira zawo zopezera ndi kukonza. Mwina awona zomwe zimachitika ngati gulu lazinthu silinatchulidwe ndipo ali ndi machitidwe oti agwire lisanakhale vuto lanu. Kwa wogwiritsa ntchito kumapeto, kulimba kwazithunzi izi ndizomwe mukulipira, osati kungoponya mwakuthupi.
Ndikoyeneranso kukambirana njira zina. Nthawi zina, pulojekiti imatha kuyamba ndi Stellite 12 chifukwa ndi dzina lodziwika, koma mutasanthula mtengo, nthawi yotsogolera, komanso momwe ntchito ikugwirira ntchito, zinthu zina zitha kukhala zabwino kwambiri. Kodi ikhoza kukhala giredi ina ya Stellite? Aloyi yochokera ku chitsulo cholimba? Kuyika kwa ceramic? Mnzake wabwino waukadaulo azitha kukambirana, osati kungoyankha kuti inde pazoyambira. Kungotsatira mosazindikira kuyitanidwa kwa zinthu popanda kusanthula ndi kopanda pake.
Malingaliro Omaliza kuchokera Pansi pa Msonkhano
Ndiye, chotsatira chake pa Stellite 12 ndi chiyani? Ndi aloyi yothandiza kwambiri, yosunthika ikagwiritsidwa ntchito moyenera. Phindu lake liri m'makhalidwe ake oyenera, koma kuti bwino kumatanthauzanso kuti siwopambana kwambiri m'gulu lililonse. Kuchita bwino ndi izi kumatengera zinthu zitatu: kufananiza koyenera kwa kagwiritsidwe ntchito, njira zopangira akatswiri ndi njira zamakina, ndi njira yophatikizika kuchokera pakupanga mpaka gawo lomaliza.
Kuziwona ngati zinthu zolimba ndiko kulakwitsa kwakukulu. Muyenera kulemekeza moyo wake wonse - momwe imapangidwira, momwe imadulidwa, momwe imakhalira pansi pamitundu ina. Makampani omwe nthawi zonse amapereka zida zodalirika za Stellite 12 ndi awa, monga Qingdao Qiangsenyuan Technology, omwe apanga chidziwitso chakuya, chothandiza ponseponse popanga ndi kupanga makina, osatengera zinthuzo ngati chinthu chamtengo wapatali koma ngati njira yaukadaulo yapadera yokhala ndi umunthu wake komanso zovuta zake.
Pamapeto pake, zida ngati izi ndi zida. Ndipo amisiri abwino kwambiri samamvetsetsa zomwe chidacho chimatchedwa, koma ndendende momwe chimamvera m'manja, momwe chimayankhira pansi pamavuto, komanso komwe malire ake alidi. Kumvetsetsa kumeneku kumangobwera kuchokera kumanja pa nthawi, kuchokera pazopambana zonse komanso, kunena zoona, kuchokera ku gawo lomwe mwangosiya kumene lomwe limakuphunzitsani zomwe simuyenera kuchita nthawi ina.
