1. Raw khoom npaj thiab pretreatment:
Cov txheej txheem piav qhia: cov khoom siv raw yog kho ua ntej los ntawm kev hnyav, crushing, tawg thiab derusting.
Cov khoom siv txheej txheem: steel txiav tshuab, nruas polishing tshuab, thiab lwm yam
2. Smelting:
Txheej txheem piav qhia: cov khoom siv raw xws li praseodymium neodymium, hlau ntshiab thiab ferroboron tom qab pretreatment yog proportioned, ntxiv rau hauv lub tshuab nqus tsev smelting rauv, thiab txoj siv yog pov tom qab kub smelting nyob rau hauv kev tiv thaiv ntawm argon. Cov txiaj ntsig tau pom tias cov khoom lag luam muaj cov sib xyaw ua ke, siab siv lead ua taw qhia, zoo microstructure sib xws thiab zam kev tsim ntawm λ - Fe.
Cov khoom siv txheej txheem: lub tshuab nqus tsev melting rauv
3. Hydrogen tawg:
Txheej txheem piav qhia: hydrogen tawg (hd) txheej txheem yog siv cov hydrogen nqus cov yam ntxwv ntawm lub ntiaj teb tsis tshua muaj intermetallic los tso cov neodymium hlau boron alloy nyob rau hauv hydrogen ib puag ncig. Hydrogen nkag mus rau hauv cov hlau raws li cov txheej txheem neodymium nplua nuj txheej, ua kom nws nthuav dav, tawg thiab tawg, thiab tawg raws cov txheej txheem neodymium nplua nuj, thiaj li ua kom muaj kev ncaj ncees ntawm cov theem tseem ceeb ntawm cov nplej thiab cov txheej txheem neodymium nplua nuj interphase. HD thev naus laus zis ua rau Nd-Fe-B casting xoob heev, uas txhim kho kev ua haujlwm ntawm huab cua ntws zeb thiab txo cov nqi tsim khoom.
Cov khoom siv txheej txheem: Nqus hydrogen kho rauv
4. Pulverizing:
Cov txheej txheem piav qhia: kev sib tsoo huab cua yog siv cov kev sib tsoo ceev ntawm cov khoom siv nws tus kheej los tsoo, tsis hnav thiab tsis muaj kuab paug rau ntawm phab ntsa sab hauv ntawm chav sib tsoo, yog li cov hmoov tuaj yeem npaj tau zoo.
Cov khoom siv txheej txheem: cua tshuab
5. Tsim kev taw qhia:
Cov txheej txheem piav qhia: kev ua haujlwm ntawm kev taw qhia yog tig qhov yooj yim magnetization kev taw qhia c axis ntawm kev tsis sib haum xeeb oriented hmoov hais rau tib qho kev taw qhia, kom tau txais qhov siab tshaj plaws remanence. Lub hom phiaj tseem ceeb ntawm kev nias yog txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhuam cov hmoov, nws yuav tsum tau txiav cov hmoov nplej. Peb tsim thiab siv txoj kev sib nqus teb xovxwm thiab isostatic xovxwm rau lub thib ob txoj kev. Rau qhov tshwj xeeb-zoo li tus hlau nplaum, peb siv cov cuab yeej pwm tshwj xeeb los ua ncaj qha. Tom qab sintering, cov hlau nplaum tuaj yeem muab tso rau hauv kev siv tsuas yog nrog kev kho me ntsis saum npoo, uas txuag cov nqi ntawm cov ntaub ntawv thiab kev ua haujlwm tom qab.
Cov khoom siv txheej txheem: magnetic teb xovxwm, isostatic xovxwm
6. Sintering:
Txheej txheem piav qhia: sintering yog ib txoj hauv kev yooj yim thiab pheej yig los hloov cov khoom siv microstructure thiab txhim kho cov khoom sib nqus ntawm cov khoom. Sintering yog cov txheej txheem kawg ntawm cov ntaub ntawv, uas muaj qhov tseem ceeb heev ntawm kev ceev thiab microstructure ntawm hlau nplaum.
Cov khoom siv txheej txheem: lub tshuab nqus tsev sintering rauv
7. Machining:
Txheej txheem piav qhia: Nd-Fe-B hlau nplaum tau txais tom qab sintering yog tag nrho cov blanks, uas yuav tsum tau ntxiv machining kom tau cov khoom sib txawv, qhov ntau thiab tsawg thiab cov duab. Vim nws cov brittleness thiab cov khoom siv tsis zoo, NdFeB hlau nplaum tsuas tuaj yeem sib tsoo thiab tshuab.
Cov khoom siv txheej txheem: nto grinder, ob lub ntsej muag grinder, chamfering tshuab
8. Kev kho deg:
Txheej txheem kev taw qhia: kev kho deg ntawm ntau yam duab ntawm lub ntiaj teb tsis tshua muaj cov hlau nplaum ruaj khov, xws li electrophoresis, galvanizing, npib tsib xee, npib tsib xee tooj liab npib tsib xee thiab phosphating, yog ua los xyuas kom meej qhov tsos thiab corrosion kuj ntawm cov khoom.
9. Kev tshuaj xyuas thiab ntim cov khoom tiav:
Cov txheej txheem piav qhia: txhawm rau kuaj txhua yam ntawm cov khoom sib nqus, kev tiv thaiv corrosion, kev ua haujlwm siab, thiab lwm yam ntawm cov khoom, thiab ntim lawv tom qab ncav cuag tus qauv, thiaj li ua tau raws li qhov xav tau ntawm cov neeg siv khoom.