Thaum koj hnov Stellite 12, thawj yam uas los rau hauv siab rau feem ntau yog tej zaum nws cov stellar hnav tsis kam. Qhov ntawd muaj tseeb, tab sis kuj yog ib qho cuab yeej me ntsis. Hauv kuv lub xyoo cuam tshuam nrog cov alloys tshwj xeeb, Kuv tau pom ntau qhov haujlwm uas nws tau teev tseg yuav luag los ntawm lub neej ntawd rau cov ntawv thov hnav siab, tsis muaj kev dhia dej tiag tiag rau hauv nws qhov profile tag nrho. Nws yog cobalt-chromium alloy, yog, tab sis nws tus cwj pwm nyob rau hauv txawv kev ntxhov siab, nws machinability post-casting, thiab nws cov kev ua tau zoo tiv thaiv tej yam kab mob yog nyob rau hauv qhov tseeb zaj dab neeg. Nws tsis yog rab phom khawv koob, thiab kho nws zoo li ib qho yog txoj hauv kev ceev kom hlawv nyiaj txiag thiab sijhawm.
Lub Core Profile thiab Common Pitfalls
Stellite 12 zaum nyob rau hauv qhov chaw nthuav dav ntawm Stellite 6 ntau dua thiab cov pa roj carbon ntau dua, ntau qib-tiv taus. Nws cov nominal muaj pes tsawg leeg muab nws zoo ua hauj lwm rau hlau-rau-hlau hnav, galling, thiab txawm ib tug dlej theem ntawm corrosion kuj. Tab sis ntawm no yog thawj lub tswv yim hiccup: nws machinability. Nyob rau hauv lub xeev as-cam khwb cia, nws yog tawv. Kuv txhais tau tias, tawv heev. Koj tsis tuaj yeem muab pov rau ntawm txhua lub tshuab CNC nrog cov cuab yeej carbide txheem thiab cia siab tias yuav ua tiav zoo lossis txhua yam cuab yeej lub neej. Peb kawm qhov no nyuaj heev thaum ntxov.
Kuv nco qab txog qhov project valve rau cov roj & roj sector. Daim ntawv spec hu rau Stellite 12 overlays ntawm qhov chaw zaum. Thawj qhov kev sim ua haujlwm, raws li qhov tsis muaj rau cov hlau tawv tawv, ua rau cov cuab yeej tawg sai thiab tsis zoo ntawm qhov chaw. Cov cua sov tsim tau khaus, uas yuav ua rau muaj kev hloov pauv microstructure nyob ze ntawm qhov chaw yog tias koj tsis ceev faj. Nws yuam kom rov ntsuam xyuas dua ntawm peb cov cuab yeej cuab tam-hloov mus rau cov qib tshwj xeeb ntawm carbide, txo qis tus nqi pub, thiab siv cov dej txias txias raws nraim ntawm qhov kev sib tshuam. Nws tsis yog hais txog brute quab yuam; nws yog hais txog kev tswj, kev tshem tawm cov khoom siv meej.
Qhov no txuas ncaj qha rau hauv cov txheej txheem casting nws tus kheej. Rau ib lub tuam txhab xws li Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), nrog ntau xyoo hauv plhaub pwm thiab peev casting, qhov kev sib tw tsis yog tsuas yog nchuav lub suab nrov. Nws yog hais txog kev nkag siab yuav ua li cas alloy solidifies, tswj cov carbide faib nyob rau hauv lub cobalt-chromium matrix. Kev tswj tsis tau qhov txias txias tuaj yeem ua rau muaj kev sib cais ntawm cov carbide ntau dhau, tsim kom muaj cov brittleness hauv cheeb tsam uas tsuas yog tshwm sim thaum lub sijhawm ua haujlwm kawg lossis, phem dua, hauv kev pabcuam. Lawv cov kev paub nrog tshwj xeeb alloys, raws li tau sau tseg ntawm lawv qhov chaw tsi.com, yog qhov tseem ceeb ntawm no. Nws tsis yog hais txog qhov muaj qhov cub; nws yog hais txog cov txheej txheem kev paub ua tau ntau tshaj 30 xyoo uas ua kom cov Stellite 12 koj tau txais qhov zoo ib yam, txhim khu kev qha microstructure los ntawm qhov pib.
Application Nuances thiab Real-World Behavior
Qhov twg yog Stellite 12 tiag tiag ci? Nws yog qhov zoo heev rau cov khoom sib xyaw ua ke thiab muaj kev cuam tshuam nruab nrab, lossis qhov twg qee qhov corrosion yog qhov tseem ceeb ntawm kev puas tsuaj. Xav tias lub tes tsho twj tso kua mis, lub valve trim, qee qhov chaw bearing, thiab txawm tias qee cov cuab yeej ua liaj ua teb. Tab sis koj yuav tsum phim cov qib mus rau lub caij nyoog hnav mechanism. Yog tias tus yeeb ncuab tseem ceeb yog qhov ntshiab, kev ntxhov siab siab los ntawm silica lossis zoo sib xws, cov pa roj carbon ntau dua stellite yuav zoo dua. Yog hais tias nws yog ntau txog corrosion, lwm qib tuaj rau hauv kev ua si.
Kuv tau ua haujlwm ntawm rooj plaub uas muaj cov khoom noj khoom haus hauv cov khoom noj khoom haus. Cov khoom siv yog abrasive thiab me me corrosive. Stellite 12 raug xaiv rau nws qhov sib npaug. Txawm li cas los xij, tus tsim thawj zaug muaj cov kaum sab hauv. Thaum lub sij hawm peev casting txheej txheem ntawm foundry-ib txheej txheem QSY specializes nyob rau hauv-qhov no nthuav tawm ib qho kev sib tw. Lub alloy lub viscosity thiab solidification yam ntxwv ua rau nws nyuaj rau sau cov ntse nta tsis muaj peev xwm tsis xws luag. Qhov kev daws teeb meem yog kev sib koom tes tsim kho dua tshiab, softening cov ces kaum me ntsis. Qhov no tsis cuam tshuam rau kev ua haujlwm tab sis ua rau feem ntau castable thiab txhim khu kev qha. Qhov no yog hom kev ua tau zoo, kev daws teeb meem hauv av uas cais cov ntawv thov ua tiav los ntawm kev ua tsis tiav.
Lwm qhov hloov maj mam yog nws qhov kev ua tau zoo hauv kev hnav khaub ncaws kub. Nws khaws nws cov tawv tawv zoo nkauj txog li ntawm 600-700 ° C, uas yog vim li cas koj pom nws nyob rau hauv qee qhov kub-section tooling lossis cav Cheebtsam. Tab sis muaj qhov caveat: nws cov oxidation tsis kam, thaum zoo, tsis muaj qhov kawg. Nyob rau hauv lub sijhawm ntev, qhov kub thiab txias oxidizing ib puag ncig, koj yuav pom ntau qhov tsim ntau dua li nrog qee cov nickel-based alloys. Nws yog kev lag luam tawm. Koj tab tom xaiv nws feem ntau rau hnav ntawm qhov kub thiab txias, nrog oxidation tsis kam ua ib qho txiaj ntsig thib ob yam ntxwv, tsis yog thawj qhov.
Machining thiab Post-Processing Realities
Cia peb rov qab mus rau machining, vim nws feem ntau yog tus nqi tsav tsheb loj tshaj tom qab cov khoom siv nws tus kheej. Raws li tau hais, nws yog dais rau tshuab. Kev sib tsoo feem ntau yog txoj kev nyiam tshaj plaws rau kev ua tiav kawg thiab ua tiav qhov kev zam nruj. Tab sis txawm tias kev sib tsoo yuav tsum muaj txoj cai log muaj pes tsawg leeg thiab cov txheej txheem kom tsis txhob hlawv ntawm qhov chaw los yog ua rau microcracks.
CNC machining yog ua tau, thiab qhov no yog qhov chaw muab kev pabcuam kev koom ua ke ntxiv tus nqi loj. Lub tuam txhab uas ua haujlwm ob qho tib si casting thiab CNC machining, zoo li QSY, muaj qhov zoo dua. Lawv nkag siab txog cov khoom siv tus cwj pwm los ntawm cov kua mus rau qhov ua tiav. Lawv tuaj yeem npaj cov nyiaj them poob haujlwm thaum lub sij hawm tsim qauv casting, paub meej tias cov khoom yuav ua li cas rau kev txiav quab yuam. Sim kom tau ib qho casting los ntawm ib lub khw thiab machining nws ntawm lwm tus, tsis muaj qhov kev paub sib koom, feem ntau ua rau ntiv tes taw thaum muaj teeb meem tshwm sim. Cov lus piav qhia ntawm tsi.com qhia txog lawv cov kev txawj ntse ua ke hauv casting thiab CNC machining tsis yog kev lag luam fluff xwb; Nws yog ib qho tseem ceeb ntawm kev ua haujlwm zoo rau cov hlau zoo li no.
Vuam thiab hardfacing nrog Stellite 12 kuj muaj ntau, tshwj xeeb tshaj yog rau kev kho lossis overlay ntawm cov khoom pheej yig dua. Pre-heat thiab interpass kub tswj yog qhov tseem ceeb los tiv thaiv kev tawg. Kev nrawm nrawm nrawm, thiab koj tau txais qhov zoo nkauj, nyuaj tso nyiaj uas yog tag nrho ntawm microfissures. Nws yog lwm qhov chaw uas tus txheej txheem yog huab tais, thiab muaj kev paub trumps txoj kev xav txhua lub sijhawm.
Kev tsim khoom thiab kev txiav txim siab zoo
Tsis yog tag nrho Stellite 12 yog tsim sib npaug. Qhov zoo ntawm cov khoom siv raw, cov kab ke tswj, thiab kev rov ua dua ntawm cov txheej txheem casting txhais tau qhov kawg ntawm qhov kev ua tau zoo. Kev xa khoom los ntawm lub chaw tsim khoom nrog cov ntaub ntawv pov thawj hauv cov khoom siv cobalt yog tsis sib tham rau cov khoom tseem ceeb. Koj xav tau ntawv pov thawj, tab sis qhov tseem ceeb tshaj, koj xav tau cov ntaub ntawv pov thawj ntawm kev tswj cov txheej txheem - cov ntaub ntawv kub ntau, cov ntaub ntawv micrograph, cov txiaj ntsig kev ntsuas zoo ib yam.
Qhov no yog qhov chaw ua haujlwm ntev ntev lub koob npe nrov tseem ceeb. Ib lub tuam txhab ua haujlwm rau ntau dua 30 xyoo, raws li QSY muaj, muaj peev xwm taug qab ntau qhov kev hloov pauv hloov pauv thiab ua kom zoo dua lawv cov peev txheej thiab ua cov txheej txheem. Tej zaum lawv tau pom tias muaj dab tsi tshwm sim thaum ib pawg ntawm cov khoom siv tsis raug thiab muaj cov tshuab los ntes nws ua ntej nws dhau los ua koj qhov teeb meem. Rau cov neeg siv kawg, qhov kev sib tw tom qab yog qhov koj tau them nyiaj tiag tiag, tsis yog lub cev casting xwb.
Nws tseem tsim nyog tham txog lwm txoj hauv kev. Qee zaum, ib qhov project yuav pib nrog Stellite 12 vim tias nws yog lub npe hu ua, tab sis tom qab txheeb xyuas tus nqi, lub sijhawm ua haujlwm, thiab cov kev pabcuam meej, cov khoom sib txawv yuav zoo dua. Nws puas tuaj yeem yog qib Stellite sib txawv? Ib qho khoom siv hlau-raws li hardfacing alloy? Ceramic insert? Ib tus khub kev sib raug zoo yuav tsum muaj peev xwm muaj qhov kev sib tham, tsis yog hais tias yog rau thawj spec. Qhov muag tsis pom kev ua raws li cov ntaub ntawv hais txog yam tsis muaj kev tshuaj xyuas yog qhov tsis zoo.
Xaus Kev Xav los ntawm Lub Rooj Sib Tham Pem Teb
Yog li, dab tsi yog cov kab hauv qab ntawm Stellite 12? Nws yog ib qho tseem ceeb heev, ntau yam alloy thaum siv kom raug. Nws tus nqi yog nyob rau hauv nws cov khoom sib npaug, tab sis qhov nyiaj tshuav ntawd kuj txhais tau tias nws tsis yog qhov kawg tau yeej hauv ib pawg. Kev vam meej nrog nws hinges ntawm peb yam: meej daim ntawv thov sib txuam, kws tshaj lij foundry thiab machining txheej txheem, thiab ib qho kev sib xyaw ua ke los ntawm kev tsim mus rau qhov tiav.
Pom nws tsuas yog cov khoom siv nyuaj yog qhov yuam kev loj tshaj plaws. Koj yuav tsum hwm nws lub voj voog tag nrho-yuav ua li cas nws cam khwb cia, nws raug txiav li cas, nws coj li cas raws li cov qauv hnav tshwj xeeb. Cov tuam txhab lag luam uas niaj hnub xa cov khoom lag luam txhim khu kev qha Stellite 12 yog cov, xws li Qingdao Qiangsenyuan Technology, uas tau tsim kom muaj kev sib sib zog nqus, kev paub txog kev siv tshuab thiab kev siv tshuab, kho cov khoom siv tsis yog cov khoom lag luam tab sis raws li kev daws teeb meem tshwj xeeb nrog nws tus kheej thiab quirks.
Thaum kawg, cov khoom zoo li no yog cov cuab yeej. Thiab cov craftsmen zoo tshaj plaws to taub tsis yog dab tsi lub cuab tam hu ua, tab sis raws nraim li cas nws xav nyob rau hauv tes, yuav ua li cas nws teb nyob rau hauv siab, thiab qhov twg nws txwv tiag tiag dag. Qhov kev nkag siab ntawd tsuas yog los ntawm kev sib koom tes ntawm lub sijhawm, los ntawm ob qho kev yeej thiab, hais ncaj ncees, los ntawm ib ntus ntu ntu uas qhia koj tias yuav tsum tsis txhob ua lwm zaus.
