Cov hlau nplaum neodymium hlau boron (NdFeB) yog cov hlau nplaum tsis tshua muaj nyob mus ib txhis uas sib xyaw ua ke neodymium, hlau, thiab boron. Lawv yog cov hlau nplaum lag luam muaj zog tshaj plaws. Lawv cov khoom siv zog ib txwm muaj (BHmax) yog txij li 30 txog ntau dua 50 MGOe, muab cov teb sib nqus ntom ntom txawm tias nyob rau hauv cov ntim me me. Qhov no ua rau NdFeB hlau nplaum tseem ceeb rau cov ntawv thov uas qhov loj me thiab qhov hnyav yuav tsum tau txo qis yam tsis muaj kev cuam tshuam rau kev ua haujlwm.
Cov Txheej Txheem Infiltration hauv Magnet Fabrication
Cov txheej txheem infiltration qhia txog cov resin xaiv rau hauv cov qhov sib txuas hauv lub hlau nplaum, feem ntau tom qab sintering thiab machining zaum kawg. Lub hom phiaj yog los txhim kho kev ua tau zoo ntawm cov khoom siv los ntawm kev hloov kho cov qauv me me ntawm lub hlau nplaum.
Lub luag haujlwm ntawm Resin Infiltration
Cov roj hmab nkag mus rau hauv cov pob zeb ua rau cov kab nrib pleb me me thiab cov qhov sab hauv. Qhov kev ua no:
- Ua kom lub zog thiab kev tawv ntawm cov khoom siv kho tshuab los ntawm kev "khi" thiab txhawb nqa cov qauv granular uas tsis muaj zog.
- Tiv thaiv cov ciam teb ntawm cov noob qoob loo kom tsis txhob muaj dej noo thiab cov kuab paug loj, txhim kho kev tiv thaiv xeb yam tsis muaj txheej sab nraud sib txawv.
- Tswj cov khoom sib nqus thaum siv cov txheej txheem resin uas tsis yog sib nqus, tsis muaj permeability, yog li ntawd tsawg kawg cuam tshuam rau remanence thiab coercivity.
Neodymium Hlau Boron Magnet
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Hom Kev Kho Mob Resin Infiltration
Cov txheej txheem resin feem ntau rau NdFeB hlau nplaum suav nrog epoxy resins, muaj nqis rau kev tiv thaiv tshuaj lom neeg muaj zog, kev nplaum ruaj khov, thiab kev ua haujlwm ntau yam. Silicone resins raug xaiv rau kev ywj pheej thiab kev ua haujlwm thermal; polyurethane resins zoo heev hauv kev tiv thaiv kev cuam tshuam. Hybrid lossis hloov kho resins, qee zaum txhim kho nrog nano-particulates, lub hom phiaj ntau yam khoom.
Qhov kev nkag mus rau hauv nws tus kheej tuaj yeem ua tiav los ntawm kev nkag mus rau hauv lub tshuab nqus tsev, uas ua kom cov roj hmab nkag mus tob rau hauv cov kab nrib pleb me me thiab cov qhov kaw, lossis los ntawm cov txheej txheem siab qis thaum qhov nkag mus tsawg dua txaus. Cov kev xaiv no yog tsim rau cov qauv me me ntawm lub hlau nplaum thiab kev siv kawg.
Cov teebmeem ntawm Infiltration rau Magnet Performance
Cov roj hmab nkag mus rau hauv lub hlau nplaum ua rau muaj kev txhim kho zoo hauv kev ua haujlwm ntev. Cov qhov thiab cov kab nrib pleb uas puv lawm cuam tshuam rau txoj kev tawg uas yuav nthuav tawm, ua rau lub zog khoov thiab kev tawg tawv. Qhov no ua rau cov hlau nplaum NdFeB tsis tshua muaj zog los tawg lossis tawg thaum muaj kev ntxhov siab, txawm tias yog kev siv tshuab lossis kev co.
Kev tiv thaiv xeb zoo dua qub. Ib lub network resin tas mus li hauv cov hlau nplaum txwv tsis pub nkag mus rau hauv cov neeg ua haujlwm corrosive. Kev ntsuas ntsev thiab av noo sai dua qhia tau tias muaj kev txo qis ntawm cov nqi xeb rau cov hlau nplaum uas nkag mus rau hauv piv rau cov uas tsis tau kho.
Cov khoom sib nqus tseem khaws cia feem ntau nrog kev tsim cov resin zoo. Cov resins zoo xaiv ntxiv qhov ntim tsis yog sib nqus tsawg kawg nkaus - feem ntau ua rau tsawg dua 3-5% poob hauv kev rov ua dua lossis kev sib zog. Hauv qee kis, qhov cuam tshuam tsis tseem ceeb, vim tias cov resin qhov permeability qis txwv tsis pub muaj kev xau dej tsis zoo lossis cov teebmeem sab hauv demagnetizing.
Kev sib npaug zoo ntawm cov khoom siv resin thiab qhov tob ntawm cov khoom nkag mus ua rau muaj kev txhim kho rau kev ruaj khov ntawm cov khoom siv thiab cov khoom siv corrosive nrog kev sib pauv me ntsis ntawm cov hlau nplaum. Kev thauj khoom ntau dhau lossis cov khoom siv hluav taws xob ntau dhau yuav ua rau muaj kev txo qis ntawm kev ua haujlwm, yog li kev saib xyuas cov txheej txheem - xws li kev ntsuas qhov concentration ntawm cov tshuaj lom neeg hauv kab nrog Lonnmeter chemical concentration meters, lossis kev ntsuas qhov concentration ultrasonic siv Lonnmeter ultrasonic concentration meters - tuaj yeem tswj hwm kev sib xws ntawm cov resin infiltration. Cov kev daws teeb meem saib xyuas no ua lub luag haujlwm tseem ceeb hauv kev tshuaj xyuas cov tshuaj lom neeg hauv kev tsim khoom thiab muab kev ua haujlwm raug hauv kev saib xyuas qhov concentration ntawm cov khoom siv inline resin thiab kev tswj hwm cov txheej txheem nkag mus rau hauv cov khoom siv hlau nplaum.
Kev nkag mus rau hauv cov resin, ua ib feem ntawm cov txheej txheem tsim cov hlau nplaum neodymium, feem ntau nyiam rau cov chaw tseem ceeb, raug nthuav tawm, lossis muaj kev co siab, ua tau zoo dua li cov txheej txheem saum npoo lossis cov platings hauv kev tiv thaiv sab hauv thiab kev ntseeg siab mus sij hawm ntev rau cov khoom siv uas xav tau cov txheej txheem impregnation resin rau cov hlau nplaum.
Cov txheej txheem rau Resin Infiltration hauv NdFeB Magnets
Kev siv cov binder jetting thiab kev tsim khoom ntxiv tau hloov pauv kev tsim cov hlau nplaum neodymium iron boron. Kev siv cov binder jetting tsim cov duab nyuaj los ntawm kev xaiv cov kua nplaum rau ntawm cov txaj hmoov, ua rau cov duab geometries nyuaj uas tsis tuaj yeem ua tau los ntawm cov txheej txheem ib txwm muaj. Tom qab luam ntawv, lub cev ntsuab - uas muaj cov porosity - xav tau kev ua tiav tom qab, nrog rau cov resin infiltration tshwm sim ua ib kauj ruam tseem ceeb hauv cov txheej txheem tsim cov hlau nplaum neodymium.
Cov Kauj Ruam Txheej Txheem Infiltration Resin
Kev Npaj: Kev Ua Kom Nto Thiab Kev Ntxuav
Kev nkag mus rau hauv cov roj hmab kom zoo pib nrog kev npaj qhov chaw kom huv si. Cov khoom sib xyaw raug ntxuav kom tshem tawm cov khoom seem, cov hmoov xoob, thiab cov khoom tsis huv. Kev ua kom qhov chaw, qee zaum nrog plasma lossis etching me me, ua rau cov dej ntub ntau ntxiv thiab ua rau cov roj hmab nkag mus tob dua. Qhov chaw huv si thiab ua kom cov roj hmab nkag mus thiab lo rau, ua kom muaj txiaj ntsig zoo tshaj plaws ntawm kev kho cov roj hmab tom qab rau cov hlau nplaum.
Kev Nkag Mus: Cov Hom Resin Siv
Ob chav kawm tseem ceeb ntawm cov resins siv rau hauv cov txheej txheem impregnation resin rau cov hlau nplaum - thermosetting thiab thermoplastic.
- Cov Resins ThermosettingCov txheej txheem epoxy thiab phenolic feem ntau yog cov uas muaj viscosity tsawg thiab muaj zog lo rau. Cov qauv hloov kho, feem ntau muaj cov nanoparticles zoo li SiC lossis BN, txhim kho kev ruaj khov ntawm thermal thiab mechanical. Cov qib viscosity qis (feem ntau yog 50–250 mPa·s) tau txais kev nyiam vim lawv muaj peev xwm nkag mus rau hauv cov qauv pore zoo uas tseem tshuav tom qab kev sib xyaw ua ke.
- Cov Thermoplastic Resins: Tsis tshua muaj neeg siv, tab sis siv thaum xav tau kev txhawb nqa infiltration uas yoog tau lossis rov ua haujlwm tau.
Kev siv lub tshuab nqus tsev yog txoj kev ib txwm siv. Lub hlau nplaum raug muab tso rau hauv lub dab dej resin hauv qab lub tshuab nqus tsev kom tshem tawm cov pa roj uas raug kaw, tom qab ntawd raug rau huab cua lossis siab siab kom tsav cov resin mus rau hauv cov qhov hws. Cov voj voog nkag mus sib law liag, qee zaum txog li 24 teev, yuav siv tau rau cov qauv uas muaj qhov hws ntau.
Kev Kho: Cov Xwm Txheej thiab Cov Teeb Meem
Kev kho kom zoo yuav hloov cov resin uas nkag mus rau hauv cov kua mus rau cov khoom khov, ua rau muaj txiaj ntsig zoo rau kev siv tshuab thiab kev tiv thaiv. Cov txheej txheem kho kom zoo yog tsim rau lub kaw lus resin:
- Kev kho ntau kauj ruam, qhov kub tsawgyog qhov nyiam dua, vim tias lawv txo qhov kev ntxhov siab sab hauv thiab ua kom qhov kawg ntom ntom tshaj plaws.
- Lub sijhawm ntev ntawm qhov kub qis dua tuaj yeem txwv qhov thermal gradients, khaws cia coercivity thiab remanence.
Kev tswj qhov kub thiab lub sijhawm kho kom raug yog qhov tiv thaiv kev sib txuas tsis tiav lossis kev nthuav dav thermal ntau dhau, ob qho tib si tuaj yeem txo qhov ua tau zoo ntawm cov khoom siv sib nqus kawg. Theem no muaj txiaj ntsig tshwj xeeb thaum sib xyaw cov khoom ntxiv uas tsim los rau kev tswj hwm thermal lossis kev tiv thaiv corrosion.
Cov Teeb Meem Feem Ntau Hauv Kev Nkag Mus Rau Hauv Cov Roj Hmab
Peb qhov kev cov nyom yeej ib txwm ua rau cov txheej txheem ntawm cov khoom siv sib nqus nkag mus rau hauv cov khoom siv hlau nplaum zoo dua:
- Kev sib xwsKev ua tiav kev faib cov resin sib xws thoob plaws hauv cov geometries nyuaj heev. Cov cheeb tsam uas muaj cov khoom ntim khoom tuab lossis cov channel kaw yuav tsis nkag mus rau hauv, cuam tshuam rau lub zog tag nrho thiab kev tiv thaiv xeb.
- Kev Tswj Qhov TobCov tshuaj resins yuav tsum ncav cuag qhov tob, sib txuas ua ke yam tsis thaiv cov chaw saum npoo ua ntej lub sijhawm. Cov yam xws li cov roj hmab viscosity, kub, thiab qhov nqus tsev/siab txhua yam cuam tshuam rau qhov tob nkag mus.
- Kev Sib Xws Thoob Plaws Cov PawgKev hloov pauv ntawm ib pawg mus rau ib pawg yog qhov teeb meem tseem ceeb. Kev hloov pauv ntawm cov hmoov ntim, cov khoom seem ntawm cov khoom sib txuas, lossis cov xwm txheej nkag mus rau hauv tuaj yeem hloov pauv qhov ceev, kev ruaj khov ntawm lub tshuab, lossis cov khoom sib nqus. Kev tswj hwm cov txheej txheem thiab kev saib xyuas nruj - xws li kev saib xyuas cov tshuaj resin concentration siv cov cuab yeej zoo li Lonnmeter chemical concentration meter lossis Lonnmeter ultrasonic concentration meter - yog qhov tseem ceeb rau cov txiaj ntsig rov ua dua.
Cov txiaj ntsig ntawm cov resin infiltration rau cov hlau nplaum suav nrog kev txhim kho lub zog kho tshuab, kev tiv thaiv corrosion, thiab kev ua haujlwm raws li qhov xav tau. Txawm li cas los xij, kev nqus cov resin ntau dhau yuav txo qhov sib nqus ntim feem thiab ua rau muaj kev cuam tshuam rau kev sib phim thermal nthuav dav, tshwj xeeb tshaj yog nyob rau hauv cov khoom thauj cyclic. Kev saib xyuas thiab kev ua kom zoo dua ntawm kev tshuaj xyuas cov tshuaj lom neeg hauv kev tsim khoom, feem ntau nrog kev ntsuas cov tshuaj lom neeg hauv kab lossis ultrasonic sensor rau kev ntsuas cov tshuaj lom neeg, ua kom ntseeg tau tias cov txheej txheem txhim kho cov khoom ntawm cov hlau nplaum yam tsis muaj kev lag luam tsis xav tau.
Qhov Tseem Ceeb ntawm Kev Ntsuas Qhov Ntsuas Inline Thaum Lub Sijhawm Infiltration
Qhov kev sib sau ua ke ntawm cov resin yog qhov tseem ceeb thaum lub sijhawm txheej txheem nkag mus rau hauv cov resin rau cov hlau nplaum neodymium hlau boron. Cov khoom siv kho tshuab thiab kev tiv thaiv corrosion ntawm NdFeB hlau nplaum vam khom qhov sib npaug ntawm kev nkag mus uas tiv thaiv cov ciam teb ntawm cov noob, sau cov microvoids, thiab tiv thaiv kev sib txawv ntawm cov qauv. Rau cov txiaj ntsig zoo tshaj plaws ntawm kev nkag mus rau hauv cov resin, kev sib sau ua ke yuav tsum tso cai rau kev nkag mus rau hauv cov resin kom txaus yam tsis ua rau lub matrix thiab txo qhov muaj zog ntawm cov hlau nplaum. Cov kev tshawb fawb qhia tau hais tias qhov ntau yam zoo tshaj plaws, feem ntau yog 20-25 wt.% resin, ua rau muaj txiaj ntsig zoo - xws li kev nce 30-50% ntawm kev sib zog compressive thiab flexural, thiab txog li 60% kev txhim kho hauv kev tawg toughness piv rau cov hlau nplaum tsis kho. Cov resin ntau dhau ua rau lub zos tsis muaj zog vim yog modulus mismatch, thaum cov resin tsis txaus tawm hauv qhov khoob thiab tawg yooj yim rau kev puas tsuaj.
Kev Ntsuas Hauv Kab vs. Kev Ntsuas Qauv Ib Txwm Muaj
Cov thev naus laus zis ntsuas kev ntsuas tshuaj lom neeg hauv kab, suav nrog kev ntsuas ultrasonic concentration thiab kev saib xyuas inline resin concentration, xa cov kev txhim kho tseem ceeb dua li kev kuaj tes. Lonnmeter chemical concentration meters thiab Lonnmeter ultrasonic concentration meters yog tsim los rau kev saib xyuas inline resin concentration hauv lub sijhawm tiag tiag hauv cov txheej txheem tsim cov hlau nplaum neodymium. Kev ntsuas inline muab:
- Kev Txhim Kho Cov Txheej Txheem Sib Xws:Kev saib xyuas hauv kab tswj hwm kev tswj hwm tas mus li ntawm cov resin concentration, txo qhov sib txawv ntawm cov khoom sib xyaw thiab xyuas kom meej tias txhua lub hlau nplaum tau kho nrog cov qib zoo tshaj plaws. Kev tshuaj xyuas cov tshuaj lom neeg sib xws hauv kev tsim khoom ncaj qha cuam tshuam nrog qhov zoo ntawm kev nkag mus tas li thiab cov khoom siv kho tshuab kwv yees tau.
- Txo Cov Khib Nyhiab:Cov txheej txheem inline muab cov lus teb tam sim ntawd rau cov neeg teb xov tooj, tiv thaiv kev siv ntau dhau lossis siv cov resin tsis txaus. Qhov no txo qis kev siv, txo cov khoom pov tseg, thiab txo cov nqi kho tom qab ua tiav.
- Kev Tshawb Pom Qhov Tsis Zoo Thaum Ntxov:Cov ntaub ntawv tiag tiag ua rau kho tau sai ntawm qhov kev hloov pauv uas tshwm sim los ntawm kev hloov pauv ntawm cov khoom siv resin, cov channel ntws raug thaiv, lossis kev hloov pauv ntawm lub sensor. Qhov no tiv thaiv kev tsim cov hlau nplaum uas tsis txaus, txo qis qhov ua tsis zoo thiab kev kho dua tshiab kim.
Qhov sib txawv, kev kuaj qauv ib txwm muaj—raws li kev sau tes thiab kev tshuaj xyuas hauv chaw kuaj mob—yuav tsum nres lossis qeeb qeeb hauv cov txheej txheem impregnation resin rau cov hlau nplaum. Kev kuaj tes tsis tuaj yeem ntes tau qhov kev hloov pauv sai ntawm cov khoom sib xyaw, ua rau muaj kev pheej hmoo ntawm kev tsis sib xws ntawm ib pawg mus rau ib pawg. Kev ncua sijhawm ntawm kev kuaj thiab cov txiaj ntsig ua tau tuaj yeem ua rau qhov tsis zoo kis mus rau ntau lub hlau nplaum ua ntej kev cuam tshuam ua tau.
Cov Teeb Meem Hauv Kev Ntsuas
Kev ntsuas qhov tseeb ntawm cov tshuaj inline resin concentration ntsib ntau yam teeb meem kev siv tshuab:
- Kev hloov pauv hauv Resin Viscosity:Qhov kev sib xyaw ua ke ntawm cov resin cuam tshuam rau nws qhov viscosity; qhov kev sib xyaw ua ke ntau dua ua rau muaj kev tiv thaiv kev ntws, tej zaum yuav thaiv kev nkag mus rau hauv cov qhov me me. Cov cuab yeej saib xyuas yuav tsum hloov kho rau qhov kev hloov pauv viscosity tiag tiag, kom ntseeg tau tias cov ntawv nyeem tau ntseeg tau thaum lub sijhawm nkag mus.
- Kev Hloov Pauv ntawm Tus Nqi Nqus:Cov txheej txheem nkag mus rau hauv cov khoom siv hlau nplaum tuaj yeem muaj kev hloov pauv sai sai ntawm cov nqi ntws vim yog lub zog ntawm lub twj tso kua mis, lim dej txhaws, lossis kev hloov kho cov txheej txheem. Yog tias cov cuab yeej ntsuas tsis hnov mob rau cov dej ntws, cov nyeem ntawv tuaj yeem hloov pauv, ua rau kev tshuaj xyuas cov tshuaj lom neeg tsis raug hauv kev tsim khoom.
- Tej Yam Ib Puag Ncig:Qhov kub, av noo, thiab kev ua qias tuaj ntawm cov khoom seem ntawm cov txheej txheem tuaj yeem hloov qhov tseeb ntawm lub ultrasonic sensor rau kev ntsuas qhov concentration. Cov txheej txheem ntsuas qhov concentration ntawm cov tshuaj lom neeg hauv kab ruaj khov yuav tsum them rau cov xwm txheej ib puag ncig hloov pauv no kom tseem raug.
Cov teeb meem no qhia txog qhov xav tau cov cuab yeej tshwj xeeb, xws li Lonnmeter inline density meters thiab viscosity meters, tsim rau cov kev xav tau ntawm kev kho cov hlau nplaum. Los ntawm kev koom ua ke ncaj qha cov cuab yeej ntsuas lub sijhawm tiag tiag rau hauv theem infiltration, cov chaw tsim khoom ntawm neodymium hlau boron hlau nplaum tuaj yeem siv cov txheej txheem impregnation resin siab, lav qhov zoo ntawm cov khoom, thiab paub txog tag nrho cov txiaj ntsig kho tshuab thiab kev ruaj khov ntawm kev nkag mus zoo.
Kev Ntsuas Kev Ntsuas Siab Tshaj Plaws Hauv Kab
Kev Ntsuas Tshuaj Lom Zem nrog Lonnmeter
Cov ntsuas tshuaj lom neeg Lonnmeter muab qhov tseeb, lub sijhawm tiag tiag ntawm cov tshuaj lom neeg concentration hauv cov txheej txheem resin infiltration rau neodymium hlau boron magnets. Lub hauv paus ntsiab lus ntawm kev ua haujlwm yog nyob ntawm ob txoj hauv kev tseem ceeb: refractometric thiab conductometric.
Txoj Cai Ntsuas Refractometric:
Lub ntsuas Lonnmeter refractometric txiav txim siab qhov concentration los ntawm kev ntes cov kev hloov pauv ntawm cov refractive index ntawm cov kua resin. Cov refractive index (n) yog cuam tshuam los ntawm cov khoom siv tshuaj yaj. Kev hloov pauv ntawm qhov concentration raug ntes raws li kev hloov pauv me me hauv qhov uas lub teeb hla dhau cov kua. Cov kab calibration, tshwj xeeb rau txhua cov resin lossis cov tshuaj infiltration, cuam tshuam qhov ntsuas refractive index rau cov qib concentration. Txoj kev no tsis yog kev puas tsuaj thiab tsis cuam tshuam los ntawm cov xim lossis turbidity ntawm cov kua - qhov zoo dua li cov txheej txheem photometric. Piv txwv li, kev paub qhov txawv ntawm 0.01% kev hloov pauv ntawm cov kua qaub thaum lub sijhawm kho cov resin impregnation rau cov hlau nplaum txhim kho kev sib xws thiab pab tswj cov khoom zoo.
Txoj Cai Ntsuas Kev Ntsuas Hluav Taws Xob:
Cov ntsuas hluav taws xob Conductivity ntsuas qhov kev coj hluav taws xob ntawm cov tshuaj, uas nce ntxiv raws li qhov concentration ntawm ionic. Lub ntsuas siv cov electrodes los siv lub zog me me, ntsuas qhov tsis kam thoob plaws cov tshuaj. Kev coj hluav taws xob, muab los ntawm κ = l/(R·A), hloov pauv raws li cov ntsev yaj thiab cov ions hloov pauv. Qhov no yog qhov tshwj xeeb tshaj yog rau cov txheej txheem nkag mus rau hauv cov resin uas muaj cov hom ionic, vim tias cov txheej txheem sib txawv tuaj yeem pom tam sim ntawd.
Cov txiaj ntsig rau Kev Tswj Xyuas Txheej Txheem thiab Kev Sau Ntawv Lub Sijhawm Tiag:
- Cov txiaj ntsig ntsuas tam sim ntawd ua rau cov neeg teb xov tooj tuaj yeem kho cov txheej txheem nkag mus ua ntej qhov kev hloov pauv cuam tshuam rau qhov zoo ntawm cov hlau nplaum.
- Kev them rov qab qhov kub thiab txias yog ua tau yam tsis tas siv neeg, ua kom ntseeg tau tias qhov nyeem tau qhov concentration qhia txog cov tshuaj lom neeg tiag tiag, tsis yog cov khoom kub cuav.
- Cov ntaub ntawv ntsuas tuaj yeem raug sau tseg tas li rau cov ntaub ntawv taug qab, ua kom yooj yim rau kev ua raws li txoj cai hauv kev nkag mus rau hauv cov khoom siv hlau nplaum.
- Kev siv cov qauv tsawg kawg nkaus txo qhov yuam kev ntawm tib neeg thiab kev pheej hmoo ntawm kev ua qias tuaj.
- Piv txwv li: Kev saib xyuas tas mus li ntawm kev kho cov hlau nplaum uas nkag mus rau hauv cov hlau nplaum siv Lonnmeter tiv thaiv kev nkag mus rau hauv qab lossis ntau dhau, ob qho tib si cuam tshuam rau cov khoom siv hlau nplaum tiav.
Kev Ntsuas Ultrasonic Concentration
Cov ntsuas ultrasonic concentration Lonnmeter yog tsim los rau kev saib xyuas inline resin concentration, tshwj xeeb tshaj yog haum rau cov txheej txheem tsim cov hlau nplaum neodymium thiab cov txheej txheem impregnation resin rau cov hlau nplaum. Lawv txoj haujlwm siv cov thev naus laus zis ultrasonic sensor, uas tshuaj xyuas qhov ceev thiab attenuation ntawm cov suab thaum lawv dhau los ntawm cov kua resin.
Yuav ua li cas Lonnmeter Ultrasonic Concentration Meter Ua Haujlwm:
- Lub 'meter' xa cov suab nrov zaus siab los ntawm cov kua resin.
- Kev hloov pauv ntawm qhov concentration ntawm cov tshuaj hloov pauv ob qho tib si qhov ceev thiab kev nqus ntawm cov nthwv dej no.
- Lub kaw lus sensor txhais cov kev hloov pauv no los xam cov nqi tshuaj lom neeg kom raug hauv lub sijhawm tiag tiag.
Cov txiaj ntsig:
- Kev Saib Xyuas Tsis Muaj Kev Cuam Tshuam:Cov cuab yeej ntsuas ultrasonic ua haujlwm yam tsis tau kov ncaj qha rau cov kua dej ua haujlwm. Txoj hauv kev no tshem tawm cov kev pheej hmoo ntawm kev ua qias tuaj uas tuaj yeem tshwm sim nrog cov khoom siv soj ntsuam uas nkag mus rau hauv.
- Kev Ntsuas Siab:Cov ntsuas ultrasonic qhia tau tias rov ua dua, nrog rau qhov yuam kev ntsuas feem ntau qis dua 0.05% rau cov tshuaj resin txheem. Lawv qhov kev rhiab heev tso cai rau kev kho qhov txheej txheem infiltration rau qhov zoo tshaj plaws kev faib tawm resin hauv cov hlau nplaum.
- Kev Tau Txais Cov Ntaub Ntawv Sai:Nrog lub sijhawm teb hauv milliseconds, ultrasonic sensors zoo tagnrho rau cov chaw tsim khoom tas mus li, txhawb nqa kev tshuaj xyuas cov tshuaj lom neeg kom meej hauv kev tsim khoom.
- Kev Txij Nkawm Tsawg:Vim tias cov sensors tsis sib cuag nrog cov tshuaj lom neeg, muaj kev hnav tsawg kawg nkaus, ua rau tsis tshua muaj sijhawm calibration thiab ntxuav.
Piv txwv daim ntawv thov:
Kev ntsuas qhov concentration ultrasonic hauv kab tso cai rau kev faib cov resin kom zoo thaum lub sijhawm nkag mus rau hauv cov hlau nplaum neodymium hlau boron, txhim kho lawv cov kev ua tau zoo thiab ntev lub neej ua haujlwm.
Kev koom ua ke nrog Automated Infiltration Systems
Cov ntsuas Lonnmeter tau teeb tsa rau kev sib koom ua ke zoo rau hauv cov txheej txheem nkag mus rau hauv cov txheej txheem tsim cov hlau nplaum neodymium. Cov lus teb rov qab tiag tiag tso cai rau kev tswj hwm qhov tseeb ntawm kev siv tshuaj thiab cov nqi nkag mus.
- Thaum cov kev ntsuas qhov concentration ntawm cov resin raug xa mus rau cov neeg tswj xyuas cov txheej txheem tam sim ntawd, kev hloov kho tuaj yeem ua tau yam tsis tas yuav tsum tau ua kom tswj tau cov xwm txheej zoo tshaj plaws.
- Qhov kev koom ua ke no txo qis kev ua haujlwm tes, txo qhov sib txawv, thiab ua kom muaj txiaj ntsig zoo rau cov hlau nplaum.
- Cov txheej txheem tsis siv neeg tuaj yeem khaws cia txhua cov ntaub ntawv ntsuas rau kev txheeb xyuas cov txheej txheem, kev tshuaj xyuas kev cai lij choj, thiab kev lees paub qhov zoo ntawm cov khoom.
Piv txwv li:
Thaum lub sijhawm kho cov roj hmab uas nkag mus rau hauv cov tshuaj, cov ntaub ntawv inline los ntawm Lonnmeter lub ntsuas tshuaj lom neeg tso cai rau tus maub los teb tam sim ntawd rau qhov kev hloov pauv, kho qhov kev xa khoom roj hmab kom cov khoom nyob hauv qhov txwv tshwj xeeb. Qhov no ua kom ntseeg tau tias muaj kev sib xyaw zoo tshaj plaws rau txhua pawg, txhawb nqa cov txheej txheem nkag mus rau hauv cov khoom siv hlau nplaum siab heev.
Cov Kev Xyaum Zoo Tshaj Plaws rau Kev Tswj Xyuas Inline Resin Concentration
Kev ua kom raug hauv kev kho cov hlau nplaum rau cov hlau nplaum, xws li hauv cov txheej txheem tsim cov hlau nplaum neodymium, nyob ntawm cov txheej txheem ntsuas cov tshuaj lom neeg hauv kab. Kev ntsuas kom zoo, kev tiv thaiv kev ua qias tuaj zoo, thiab kev tswj hwm cov ntaub ntawv tiav yog qhov tseem ceeb rau kev ua kom muaj kev soj ntsuam cov tshuaj lom neeg hauv kab kom raug, taug qab tau, thiab hloov kho tas li.
Kev Ntsuas thiab Kev Pom Zoo ntawm Cov Txheej Txheem Ntsuas
Kev ntsuas pib nrog kev siv cov tshuaj resin txheem uas tau ntawv pov thawj ntawm ntau yam kev ntsuas uas paub lawm. Lub ntsuas tshuaj lom neeg Lonnmeter, suav nrog lub ntsuas ultrasonic concentration, yuav tsum teeb tsa cov ntaub ntawv pib los ntawm kev kos cov ntawv nyeem tawm rau cov kev ntsuas uas paub lawm.
Txhua qhov kev ntsuas yuav tsum suav nrog kev ntsuas rov ua dua ntawm cov qauv siv los tsim kom muaj cov kab lus teb sensor txhim khu kev qha, siv kev tshuaj xyuas lej rau kev rov ua dua thiab kev kwv yees qhov yuam kev.
Thaum lub sijhawm txheej txheem nkag mus rau hauv cov resin, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv sib nqus nkag mus, cov yam ntxwv ua haujlwm ntawm lub sensor - xws li zaus suab thiab qhov ntau ntawm kev ntes ntawm lub ultrasonic sensor rau kev ntsuas concentration - yuav tsum tau kho kom raug. Kev ntsuas thawj zaug yuav tsum tau ua raws li cov sijhawm rov kho dua tshiab thoob plaws hauv kev tsim cov hlau nplaum. Qhov no tswj kev ntsuas qhov tseeb, them rau qhov ua tau ntawm lub sensor los ntawm kev hloov pauv kub, kev hloov pauv ntawm cov khoom siv resin, lossis cov khoom siv laus.
Kev lees paub suav nrog kev siv cov kev tswj xyuas sim uas cov nyeem ntawv sensor ntawm cov roj infiltrating raug piv tsis tu ncua nrog kev tshuaj xyuas cov tshuaj lom neeg hauv chav kuaj offline hauv kev tsim khoom.
Qhov sib txawv ntawm cov txheej txheem inline thiab offline ua rau muaj kev tshuaj xyuas calibration thiab kev hloov kho sensor, ua kom ntseeg tau tias cov txheej txheem infiltration xa cov theem concentration resin rau qhov zoo tshaj plaws magnet.
Tiv Thaiv Kev Ua Phem Rau Sensor thiab Ua Kom Muaj Kev Ntsuas Tseeb Tas Mus Li
Kev ua qias ntawm lub sensor—kev sib sau ua ke ntawm cov resin lossis cov txheej txheem ua qias tuaj rau ntawm qhov chaw ntsuas—ua rau muaj kev phom sij ncaj qha thaum lub sijhawm siv cov resin impregnation rau cov hlau nplaum.
Txais yuav cov txheej txheem tiv thaiv kev ua qias tuaj, siv cov teeb meem lub cev xws li cov txheej txheem tsim los yog cov ntaub so dej ib txwm rau Lonnmeter qhov ceev thiab viscosity meters.
Cov txheej txheem ntxuav niaj hnub yuav tsum tau ua raws li lub sijhawm teem tseg, txiav txim siab los ntawm cov qauv sensor yav dhau los thiab cov khoom tsim tawm.
Sau cov xwm txheej ntawm kev ua qias tuaj thiab kev ntxuav tu rau hauv cov ntaub ntawv teev cia txij nkawm. Tshawb nrhiav kev ua qias tuaj tas li nrog kev tsim kho nto siab heev, ua kom lub sensor lub cev zoo dua kom tiv taus cov chaw ua haujlwm resin hnyav.
Saib xyuas cov ntawv nyeem pib rau kev hloov pauv ntawm cov cim tsis paub meej, uas tej zaum yuav qhia tau tias muaj qee qhov tsis huv. Yuav tsum tau ua tam sim ntawd los ntxuav lossis rov kho dua lub kaw lus, nrog rau kev cuam tshuam tsawg kawg nkaus kom tiv thaiv qhov tseeb tas mus li hauv kev ntsuas cov tshuaj inline resin concentration.
Kev Sau Cov Ntaub Ntawv, Kev Tshawb Fawb Txog Qhov Sib Txawv, thiab Kev Tswj Xyuas Cov Txheej Txheem Hloov Kho
Siv cov ntaub ntawv sau ntau yam rau txhua lub voj voog ntsuas cov tshuaj inline resin. Lonnmeter meters yuav tsum muab cov ntaub ntawv viscosity thiab density timestamped, uas tseem ceeb rau kev taug qab qhov sib xws ntawm cov khoom.
Cov ntaub ntawv tso tawm ntawm cov sensor, cov xwm txheej calibration, thiab kev ntxuav tu nrog rau cov xwm txheej ua haujlwm (hom resin, tus nqi ntws, kub) rau kev taug qab tag nrho.
Ua kev tshuaj xyuas tsis tu ncua ntawm cov ntaub ntawv uas tau teev tseg. Txheeb xyuas qhov maj mam poob qis hauv kev sib sau ua ke lossis kev hloov pauv sai sai uas yuav ua rau muaj teeb meem ntawm cov txheej txheem, kev ua qias tuaj ntawm lub sensor, lossis kev ua tsis tiav ntawm kev ntsuas.
Kev pom cov qauv tiag tiag ua rau muaj kev tswj hwm cov txheej txheem hloov kho tau: cov neeg teb xov tooj tuaj yeem hloov kho cov dej ntws, tus nqi nkag mus, lossis kev ntsuas ntsuas kom rov pib dua cov txheej txheem.
Kev khaws cov ntaub ntawv kom ntxaws txhawb nqa kev ua raws li txoj cai thiab kev txhim kho cov txheej txheem tas mus li hauv kev tsim cov hlau nplaum neodymium hlau boron.
Kev siv cov txheej txheem calibration zoo, cov txheej txheem tiv thaiv kev ua qias tuaj, thiab kev tswj hwm cov ntaub ntawv ceev faj ua kom ntseeg tau tias kev saib xyuas cov tshuaj resin concentration hauv kab xa cov ntaub ntawv ntseeg siab thiab ua tau thoob plaws hauv cov txheej txheem resin infiltration rau cov hlau nplaum.
Microstructure Thaum Lub Sijhawm Hydrogenation
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Cov Tswv Yim Txhim Kho Rau Kev Kho Mob Resin Infiltration
Kev ua kom zoo dua cov txheej txheem nkag mus rau hauv cov roj hmab rau cov hlau nplaum neodymium hlau boron pib nrog kev tswj hwm qhov tseeb, lub sijhawm tiag tiag ntawm cov roj hmab concentration. Kev ntsuas qhov concentration ntawm cov tshuaj lom neeg hauv kab, uas siv tau los ntawm cov cuab yeej xws li Lonnmeter chemical concentration meter thiab Lonnmeter ultrasonic concentration meter, muab cov ntaub ntawv txuas ntxiv ntawm cov ntsiab lus ntawm cov roj hmab thaum lub sijhawm sib xyaw thiab infiltration. Cov cuab yeej ntsuas no tso cai rau cov chaw tsim khoom kho cov qauv roj hmab tam sim ntawd, teb rau txhua qhov kev hloov pauv ntawm qhov concentration lossis viscosity. Piv txwv li, yog tias Lonnmeter inline resin concentration monitoring system pom qhov poob qis ntawm cov roj hmab ceev, cov neeg ua haujlwm tuaj yeem nce qhov sib piv ntawm cov roj hmab kom tswj tau cov khoom ua tau zoo rau cov txheej txheem infiltration.
Cov voj voog rov qab hloov kho yog qhov tseem ceeb rau kev tswj qhov tob ntawm qhov nkag mus rau hauv. Cov tswj hwm cov txheej txheem siv cov ntawv nyeem tiag tiag los ntawm lub sensor ultrasonic rau kev ntsuas qhov concentration thiab cov sensors density los tswj cov txheej txheem impregnation resin rau cov hlau nplaum. Thaum cov resin nkag mus rau hauv lub hlau nplaum lub microstructure, kev rov qab txuas ntxiv ua kom ntseeg tau tias qhov nkag mus tseem nyob hauv qhov kev qhia tshwj xeeb, them rau cov yam ntxwv xws li kev hloov pauv cov qauv pore lossis cov xwm txheej ib puag ncig. Rau cov qauv NdFeB nyuaj, kev tshuaj xyuas cov tshuaj lom neeg raug hauv kev tsim khoom tiv thaiv kev nkag mus tsis txaus, ua rau thaj chaw raug, lossis kev nkag mus ntau dhau, uas tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov khoom siv.
Kev txo qhov yuam kev yuav tsum tau tswj cov txheej txheem kom zoo. Kev hloov pauv kub tuaj yeem ua rau cov roj hmab viscosity tsis sib xws, ua rau tsis sib xws ntawm cov dej ntws thiab nkag mus. Kev siv Lonnmeter's inline density thiab viscosity meters cia cov neeg teb xov tooj sib koom ua ke qhov kub thiab txias, xyuas kom meej tias cov ntawv nyeem tau zoo li qub thiab cov khoom roj hmab zoo ib yam tsis hais txog cov cua sov sab nraud. Kev tshem tawm cov pa npuas uas raug kaw kuj tseem ceeb heev; cov npuas cuam tshuam cov capillary ntws thiab tej zaum yuav thaiv cov roj hmab kom tsis txhob mus txog qee thaj chaw hauv cov khoom siv sib nqus. Cov txheej txheem saib xyuas inline tuaj yeem cim qhov tsis zoo ntawm lub siab lossis kev hloov pauv sai sai hauv cov qauv ntsuas, qhia txog qhov muaj cua thiab ua rau muaj kev cuam tshuam xws li degassing lossis kev hloov kho siab.
Kev sib xyaw cov roj hmab sib xyaw ua ke kuj tseem ceeb rau cov txiaj ntsig ntawm kev nkag mus rau hauv cov tshuaj. Cov tshuaj sib xyaw uas tsis sib xws tuaj yeem muaj cov qhov me me uas muaj qhov sib xyaw tsawg lossis siab, ua rau muaj kev tiv thaiv sib nqus tsis sib xws lossis lub zog kho tshuab. Kev saib xyuas qhov sib xyaw ntawm cov roj hmab hauv kab, uas siv Lonnmeter, ua kom ntseeg tau tias cov roj hmab tseem sib xyaw ua ke ua ntej thiab thaum lub sijhawm nkag mus, nrog rau kev ceeb toom tsis siv neeg rau qhov sib txawv sab nraum qhov kev kam rau siab.
Kev tswj qhov kev ntsuas qhov tseeb ncaj qha txhawb nqa ob qho tib si kev sib nqus thiab kev tsim khoom. Rau cov hlau nplaum neodymium hlau boron nrog cov qauv geometries nyuaj - xws li ntau-segmented rotors lossis cov khoom sib sib zog nqus - kev tswj hwm resin hloov kho ua rau qhov tob ntawm infiltration sib xws, txo cov nqi pov tseg thiab txhim kho kev tiv thaiv corrosion. Kev siv Lonnmeter cov cuab yeej ntsuas inline thiab ultrasonic ua lub hauv paus tseem ceeb ntawm cov txheej txheem sib nqus infiltration ua kom ntseeg tau tias kev tsim khoom neodymium hlau nplaum ua tau raws li cov kev cai ua haujlwm nruj yam tsis muaj cov khoom pov tseg tsis tsim nyog lossis kev kho tom qab.
Ua kom Magnet ua haujlwm tau zoo tshaj plaws thiab siv tau ntev
Hauv kev tsim cov hlau nplaum NdFeB, kev tswj cov kev nkag mus thiab cov tshuaj lom neeg muaj feem cuam tshuam ncaj qha rau cov khoom siv hlau nplaum, tshuab, thiab cov khoom tiv taus xeb. Kev saib xyuas cov tshuaj resin concentration hauv kab - tshwj xeeb tshaj yog los ntawm kev ntsuas cov tshuaj lom neeg ultrasonic nrog cov cuab yeej xws li Lonnmeter meters - ua rau muaj kev tswj hwm qhov tseeb ntawm kev kho cov tshuaj resin infiltration rau cov hlau nplaum, txhawb nqa kev ua tau zoo thiab kev ua haujlwm ntev.
Kev Sib Txheeb Ze Ntawm Cov Txheej Txheem Infiltration, Kev Ntsuas Ntsuas, thiab Kev Ua Tau Zoo
Cov txheej txheem nkag mus rau hauv cov roj hmab nkag mus rau hauv cov ciam teb ntawm cov noob thiab ua kom cov kab nrib pleb me me hauv NdFeB hlau nplaum, txhim kho kev ua kom zoo ntawm cov qauv. Thaum cov roj hmab concentration raug tswj hwm kom raug - siv kev tshuaj xyuas cov tshuaj lom neeg hauv kab ntau lawm - cov chaw tsim khoom ua tiav kev faib tawm ntawm cov roj hmab. Qhov kev sib xws no ua kom ntseeg tau tias muaj kev npog ciam teb ntawm cov noob zoo, txo cov ntsiab lus tsis muaj zog uas tuaj yeem ua rau brittleness lossis ua tsis tiav thaum ntxov.
Cov tshuaj ntsuas qhov ntau thiab tsawg txiav txim siab qhov ua kom tawv thiab qhov tob ntawm cov resin. Piv txwv li, qhov tsis nkag mus rau hauv qhov tob ua rau tsis muaj kev npog tag, ua rau muaj cov kab nrib pleb me me thiab cov khoom siv tsis zoo. Qhov sib piv, qhov nkag mus ntau dhau tuaj yeem txo qhov kev ua tau zoo ntawm cov hlau nplaum vim muaj cov theem tsis muaj hlau nplaum ntau dhau. Cov ntsuas qhov ceev hauv kab thiab lub ntsuas ultrasonic rau kev ntsuas qhov ntau thiab tsawg, xws li cov uas tsim los ntawm Lonnmeter, muab cov ntaub ntawv tiag tiag, ua rau muaj kev hloov kho thiab txo cov txheej txheem poob.
Txhim Kho Lub Zog thiab Kev Tawm Tsam
Lub zog kho tshuab ntawm neodymium hlau boron hlau nplaum keeb kwm raug cuam tshuam los ntawm kev tawg yooj yim heev. Kev tswj hwm cov resin infiltration, tau txheeb xyuas los ntawm kev saib xyuas cov inline resin concentration, ua rau cov qauv intergranular nyias dua, muaj zog dua. Kev thaij duab ceev ceev thaum lub sijhawm kuaj dynamic compressive qhia tau hais tias cov hlau nplaum infiltrated kom zoo tuaj yeem tiv taus cov khoom thauj ntau dua thiab qhia qhov tawg qeeb dua piv rau cov qauv tsis kho lossis kho tsis sib npaug. Cov kev txhim kho no muaj feem cuam tshuam ncaj qha rau kev ncaj ncees thiab chemistry ntawm resin faib thoob plaws cov ciam teb noob.
Piv rau cov hlau nplaum uas tsim tsis muaj cov txheej txheem impregnation resin zoo, cov uas kho siv cov txheej txheem infiltration resin uas tau saib xyuas zoo tshaj plaws qhia txog kev ntxhov siab siab dua txog li 30%, tshwj xeeb tshaj yog nyob rau hauv cov khoom thauj dynamic. Kev sib xyaw ua ke ntawm cov tshuaj lom neeg ua kom ntseeg tau tias txhua qhov ntawm cov hlau nplaum tau txais kev txhawb nqa txaus yam tsis muaj kev cuam tshuam rau kev ruaj khov ntawm cov hlau nplaum.
Kev Txhim Kho Kev Tiv Thaiv Kev Kub Ntxhov
Kev tsim cov hlau nplaum neodymium xav tau cov kev daws teeb meem rau kev xeb, tshwj xeeb tshaj yog rau kev siv tsheb thiab hluav taws xob. Cov txiaj ntsig ntawm cov resin infiltration rau cov hlau nplaum suav nrog kev tsim cov txheej txheem tiv thaiv, tiv thaiv cov neeg ua haujlwm hnyav - xws li dej noo lossis ntsev - los ntawm kev ncav cuag cov qauv sab hauv uas tsis muaj zog. Kev sim ua qauv ntawm cov chaw ib puag ncig hnyav qhia txog kev sib raug zoo ncaj qha: cov hlau nplaum nrog kev ua tib zoo ua kom zoo qhia tau tias cov nqi xeb txo qis thiab khaws cia lub zog sib nqus qub dhau lub sijhawm ua haujlwm ntev dua.
Cov txheej txheem infiltration—sau tseg los ntawm cov inline ultrasonic concentration meters—yog qhov tseem ceeb hauv kev txheeb xyuas tias cov resin txheej tag nrho thiab tiv thaiv cov ciam teb ntawm cov noob uas raug nthuav tawm. Yog tias cov resin concentration poob qis dua qhov teev tseg thaum lub sijhawm tsim khoom, cov tswb ceeb toom txog cov txheej txheem ceeb toom cov neeg ua haujlwm ua ntej muaj qhov tsis zoo lossis cov pawg tsis muaj zog.
Kev Tiv Thaiv Cov Khoom Sib Nqus
Kev ua tiav qhov kev ua tau zoo ntawm lub zog sib nqus (kev sib zog siab thiab kev rov ua dua tshiab) xav tau kev saib xyuas qhov sib npaug ntawm cov ntsiab lus resin thiab kev faib tawm tag nrho. Kev tshuaj xyuas cov tshuaj lom neeg kom raug hauv kev tsim khoom - saib xyuas los ntawm Lonnmeter inline ntsuas cov cuab yeej - xyuas kom meej tias kev kho mob infiltration ua rau cov ciam teb ntawm cov noob tsis muaj kev diluting ntau dhau. Piv txwv li, kev koom ua ke 0.64 wt% ntawm cov khoom siv av tsis tshua muaj los ntawm kev sib kis ciam teb ntawm cov noob ua rau muaj kev nce coercivity los ntawm 16.66 kOe mus rau 23.78 kOe - qhov nce ntxiv ze rau kev nkag mus zoo tshaj plaws thiab kev tswj hwm theem.
Kev saib xyuas tsis tu ncua ntawm cov resin concentration tsis yog tsuas yog tswj tau qhov sib xws ntawm cov khoom xwb tab sis kuj ua rau qhov ua tau zoo tshaj plaws ntawm NdFeB magnets hauv cov ntawv thov uas muaj kev thov ntau.
Kev Ruaj Ntseg Zoo ntawm Cov Txheej Txheem Nrog Lonnmeter Cov Cuab Yeej
Kev ntsuas tsis siv neeg, txuas ntxiv mus siv Lonnmeter chemical concentration meter lossis Lonnmeter ultrasonic concentration meter ua kom cov txheej txheem resin infiltration ruaj khov thoob plaws hauv kev tsim khoom loj - ncaj qha txo cov nqi rov ua haujlwm. Cov txheej txheem sib txawv raug kuaj pom thiab kho sai, txwv tsis pub muaj kev pheej hmoo ntawm cov hlau nplaum tsis raws li qhov tau teev tseg thiab cov khoom pov tseg. Txoj hauv kev inline tiag tiag no txo qhov xav tau kev sim offline puas tsuaj, luv cov voj voog rov qab, thiab ruaj khov cov khoom zoo dhau sijhawm.
Cov chaw tsim khoom siv cov thev naus laus zis saib xyuas inline no pom tsawg dua qhov tsis zoo ntawm lub tshuab, tiv thaiv xeb zoo dua, thiab muaj cov khoom sib nqus siab tas li. Qhov tshwm sim yog cov hlau nplaum neodymium hlau boron uas siv tau ntev dua, txhim khu kev qha dua, zoo tagnrho rau kev siv hauv tsheb, hluav taws xob, thiab kev siv hluav taws xob.
Los ntawm kev ua kom cov txheej txheem nkag mus rau hauv cov hlau nplaum raug tswj hwm nruj nrog kev ntsuas qhov ntsuas hauv kab, cov neeg tsim khoom tuaj yeem xa cov khoom siv hlau nplaum siab heev nrog lub neej ntev thiab kev ua tau zoo tshwj xeeb.
Cov Lus Nug Feem Ntau
Cov txiaj ntsig dab tsi uas cov resin infiltration coj los rau neodymium hlau boron hlau nplaum?
Cov roj hmab nkag mus rau hauv cov hlau nplaum ua rau lub zog thiab lub neej ntawm cov hlau nplaum neodymium hlau boron ua rau muaj kev tiv thaiv tiv thaiv cov dej noo thiab cov neeg ua haujlwm corrosive. Cov ciam teb ntawm cov noob ntoo ntawm cov hlau nplaum muaj kev phom sij rau galvanic corrosion, uas ua rau muaj kev puas tsuaj sai thiab qhov chaw pitting. Cov txheej txheem resin - xws li epoxy resin lossis parylene - txwv tsis pub muaj kev sib cuag ncaj qha nrog cov dej noo hauv huab cua, txo cov nqi corrosion thiab tiv thaiv kev ua tsis tiav ntawm cov qauv. Kev nkag mus rau hauv cov hlau nplaum kuj ua rau muaj kev tiv thaiv rau kev ntxhov siab ntawm cov khoom siv thaum lub sijhawm sib dhos thiab kev siv ua haujlwm. Qhov tseem ceeb, cov roj hmab nkag mus rau hauv cov hlau nplaum khaws cov khoom sib nqus los ntawm kev tiv thaiv kev poob hauv kev rov ua dua thiab kev coercivity, ua rau cov hlau nplaum tswj tau cov zis sib nqus sib xws uas haum rau cov ntawv thov precision.
Kev ntsuas qhov concentration hauv kab ua rau cov txheej txheem infiltration zoo dua li cas?
Kev ntsuas qhov ntsuas tshuaj lom neeg hauv kab kom meej meej ua kom cov resin infiltration tshwm sim nyob rau hauv cov xwm txheej tswj tau thiab rov ua dua. Kev saib xyuas tas mus li ua rau muaj kev hloov kho cov khoom resin hauv lub sijhawm tiag tiag, txhawb nqa qhov tob ntawm infiltration thiab kev npog sib npaug thoob plaws txhua pawg hlau nplaum. Qhov kev ntsuas no tiv thaiv kev nkag mus tsis txaus lossis ntau dhau, txo cov khoom tsis zoo xws li kev sib khi tsis tiav lossis kev tiv thaiv tsis sib xws. Kev ntsuas hauv kab yog qhov tseem ceeb rau kev tswj hwm qhov zoo hauv cov khoom ntau lossis cov chaw tsim khoom tsis siv neeg, kom ntseeg tau tias txhua lub hlau nplaum ua tau raws li cov qauv ruaj khov thiab kev ua tau zoo.
Dab tsi ua rau lub Lonnmeter chemical concentration meter txawv ntawm lwm cov tshuaj?
Lonnmeter lub tshuab ntsuas tshuaj lom neeg muab cov ntaub ntawv nyeem tam sim ntawd thiab cov lus teb tam sim ntawd thaum lub sijhawm nkag mus rau hauv cov resin. Tsis zoo li kev kuaj offline, lub tshuab ntsuas inline no saib xyuas cov txheej txheem tas li thiab pab txhawb kev hloov kho cov tshuaj resin thiab cov khoom. Nws txoj kev tsim kho ruaj khov ua kom muaj qhov tseeb hauv cov chaw tsim khoom loj thiab nyuaj, ua rau nws haum rau cov haujlwm ua haujlwm hauv kev lag luam uas xav tau kev ua haujlwm siab thiab kev tswj hwm zoo. Lonnmeter meters tau ua kom zoo rau kev tshuaj xyuas cov tshuaj lom neeg tas mus li uas xav tau hauv kev tsim cov hlau nplaum neodymium, uas muaj cov sensors siab thiab lub sijhawm teb sai uas xav tau rau cov txheej txheem impregnation resin zoo rau cov hlau nplaum.
Cov ntsuas ultrasonic concentration puas tuaj yeem taug qab cov kev hloov pauv thaum lub sijhawm resin infiltration?
Cov ntsuas ultrasonic Lonnmeter muab kev taug qab sai thiab tsis muaj kev cuam tshuam, kev taug qab ceev ntawm cov qib concentration ntawm cov resin thaum lub sijhawm infiltration. Cov ultrasonic sensors no ntes tau qhov hloov pauv me ntsis hauv cov tshuaj lom neeg yam tsis cuam tshuam cov txheej txheem ntau lawm. Lawv muab kev ntsuas tas mus li nrog kev tawm tswv yim sai, tseem ceeb rau kev ua kom ntseeg tau tias cov txheej txheem ntseeg tau thiab zam kev hloov pauv ntau yam. Txoj hauv kev ultrasonic yog qhov zoo tagnrho rau cov xwm txheej uas xav tau kev tshuaj xyuas cov tshuaj lom neeg ntau zaus, tshwj xeeb tshaj yog qhov twg cov khoom resin yuav tsum ruaj khov thoob plaws hauv cov txheej txheem magnetic infiltration.
Vim li cas kev sib xyaw cov resin homogeneous thiaj li tseem ceeb hauv kev kho mob infiltration?
Kev sib xyaw cov roj hmab sib xyaw ua ke thiab sib npaug yog qhov tseem ceeb rau kev kho cov roj hmab nkag mus rau hauv cov hlau nplaum zoo. Cov roj hmab sib xyaw ua ke ua kom txhua feem ntawm cov hlau nplaum muaj kev tiv thaiv sib npaug, tshem tawm cov chaw tsis muaj zog uas yuav ua rau xeb lossis ua tsis tiav. Kev sib xyaw kom zoo kuj txhawb nqa cov khoom ua haujlwm xav tau, xws li kev rwb thaiv tsev sib xws thiab kev ruaj khov ntawm cov khoom siv thoob plaws tag nrho. Qhov no yog qhov tseem ceeb tshwj xeeb rau cov hlau nplaum neodymium hlau boron siv rau hauv cov ntawv thov uas xav tau kev kam rau siab thiab kev ntseeg siab, vim tias kev faib cov roj hmab tsis sib xws tuaj yeem ua rau muaj kev tiv thaiv xeb thiab kev ua haujlwm zoo.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-08-2025
