Izinto ezisetyenziswa kakhulu kwii-motor cores zii-silicon steel sheets. Okwangoku, ezona zisetyenziswa kakhulu zii-470, 600 kunye ne-800 kwii-cold-rolled sheets, phakathi kwazo ii-470 kunye ne-600 sheets zisetyenziswa rhoqo kwii-motors ezisebenza kakuhle.
1.Ilahleko ephantsi.
Ukulahleka kwe-core kwi-frequency ethile kunye nobunzulu bokungeniswa kwe-magnetic luphawu oluphambili lweeshiti zentsimbi zombane. Ukulahleka kwe-core kuqulathe iinxalenye ezimbini: ukulahleka kwe-hysteresis kunye nokulahleka kwe-eddy current. Ukulahleka kwe-hysteresis kukusetyenziswa kwamandla okubangelwa yi-alternating magnetization ye-core, enxulumene nokwakheka kwezinto kunye nobukhulu bengqolowa, kwaye inokumelwa yindawo ye-hysteresis loop. Ukulahleka kwe-Eddy current kukulahleka kokuxhathisa okubangelwa yi-eddy current eveliswa ngexesha le-alternating magnetization ye-core, enxulumene ne-resistivity kunye nobukhulu bezinto. Ke ngoko, ukunciphisa ukulahleka kwe-core, iishiti zentsimbi zombane zinobukhulu obuncinci kunye ne-resistivity ephezulu.
2. Ukuqhuba okuphezulu kwemagnethi.
Okukhona i-magnetic conductivity iphezulu, kokukhona indawo enqamlezileyo yesekethe yemagnethi incitshiswa xa i-flux ihlala ihleli, oko kusindisa ubhedu olusetyenziswa kwi-excitation winding kwaye kunciphisa ubungakanani bemoto.
3.Iipropati ezilungileyo zokugquma.
Iipleyiti zentsimbi zombane kufuneka zibe nobunzima obufanelekileyo, zingabi buthathaka kakhulu okanye zithambile kakhulu. Umphezulu kufuneka ube bushelelezi, uthambe, kwaye ufane ngobukhulu (kunye nemfuneko yokulawula umahluko wepleyiti), nto leyo evumela ukubhoboza isikhunta kunye nokuphucula i-coefficient yokubeka. Isikhunta esifanayo singasetyenziselwa iipleyiti zentsimbi ezigobileyo ezibandayo, kwaye ubomi baso benkonzo bunokwandiswa kakhulu xa kuthelekiswa neepleyiti zentsimbi ezigobileyo ezishushu. Ezinye iipleyiti zentsimbi zombane ezigobileyo ezibandayo ezineengubo ezingaphiliyo okanye eziphilayo zinokunyusa inani lokubhoboza ngokudlula kwesikhunta phantse izihlandlo ezilishumi emva kokusila kube kanye. ●Ixabiso eliphantsi kwaye kulula ukuyisebenzisa. Ukongeza kwiimfuno ezingentla, ezinye iimoto zihlala zineemfuno eziphezulu zezinto eziqhuba i-magnetic. Umzekelo, ukusilela okuncinci kwe-magnetic kunye nokwandiswa okuncinci kwe-magnetic. Ezi mfuno zahlukile kwaye kufuneka ziqwalaselwe ngokupheleleyo.
●Ishidi lesinyithi lesilicon
Intsimbi ye-alloy equlethe i-silicon, eqengqwa ibe ngamaphepha amancinci. Ngokuqhelekileyo ibizwa ngokuba yi-silicon steel sheet. Ngokuxhomekeke kwinkqubo yokuvelisa, yahlulwe yaba yi-hot-rolled steel sheet (eye yasuswa kakhulu) kunye ne-cold-rolled steel sheet ye-silicon. I-cold-rolled steel sheet inokwahlulwahlulwa ngakumbi ibe ziintlobo ezijolise kunye nezingezojolise. Okwangoku, amaphepha e-silicon steel anikezelwa kakhulu kwimo yephepha. Ukuphucula iipropati zemagnethi zephepha le-silicon steel kunye nokunciphisa amandla alo okucheba, amaphepha e-silicon steel sheet asekhaya aye anyangwa kwi-rolling mill.
● Ayinazingxobo zesinyithi zesilicon
I-motor core isebenzisa amaphepha esinyithi e-silicon endaweni yeepleyiti zesinyithi ezinekhabhoni ephantsi kunye nesinyithi esicocekileyo. Oku bekuyinkqubela phambili ebalulekileyo kwimbali. Amaphepha esinyithi e-silicon aphantsi aphucule ukusebenza kwemoto kwaye anciphisa ubukhulu bayo. Ngoku, endaweni yokusebenzisa amaphepha esinyithi e-silicon, amaphepha esinyithi ane-silicon ephantsi (akwaziwa ngokuba zii-electrical steel strips ezi-low-carbon okanye ii-pure iron electrical steel strips) asetyenziselwa ukwenza ii-cores zeemoto ezincinci kuba amaphepha esinyithi ane-silicon ephantsi aveliswa ngobuchwepheshe banamhlanje ahlukile kwiipleyiti zesinyithi ezinekhabhoni ephantsi zokuqala. Azinawo nje amandla aphezulu okufakelwa kwemagnethi kodwa zikwanokulahleka kwesinyithi okufana nokwee-silicon steel sheets. Ii-AC motors ezincinci eziyilwe kwaye zenziwe ngamaphepha esinyithi ane-silicon ephantsi zinokunciphisa ubukhulu, zinciphise ubunzima, kwaye zinciphise iindleko. Ngaphezu koko, ngenxa yokuba amaphepha esinyithi ane-silicon ephantsi athambile, anokunyusa isantya sokubhoboza kwaye andise ubomi bezinto zokubumba. Ngoku, amaphepha esinyithi ane-silicon ephantsi asetyenziswa kakhulu njengezinto eziphambili zeemoto ezincinci kumazwe angaphandle. Kumazwe aphuhlileyo, ukusetyenziswa kwazo kumalunga nama-50-60% emveliso iyonke yamaphepha esinyithi ombane.
Okwangoku, kukho iimeko ezimbini apho umzi-mveliso weemoto usebenzisa amaphepha entsimbi angengowe-silicon. Enye kukuba amaphepha entsimbi angengowe-silicon emva kokuqengqeleka okubandayo agxojwa ngqo kwiishiti, emva koko unyango lokutsalwa kwesinyithi lwenziwa kumzi-mveliso weemoto; enye kukuba amaphepha entsimbi agxojwe anikezelwa ngumzi-mveliso wentsimbi agxojwa kwaye asetyenziswe ngqo ngumzi-mveliso weemoto. Amaphepha entsimbi angengowe-silicon zizinto eziqhuba amandla aphezulu emagnethi, kwaye amandla kunye nokulahleka kwawo kokungeniswa kwemagnethi kubuthathaka kakhulu kuxinzelelo loomatshini. Ke ngoko, emva kokutsalwa nangaphambi kokusetyenziswa, ukususa ukutsalwa kwesinyithi ngumlinganiselo obalulekileyo wokuphucula ukusebenza kwemagnethi. Unyango lobushushu lwamaphepha entsimbi angengowe-silicon lufuna izixhobo ezikhethekileyo zonyango lobushushu, kodwa uninzi lweefektri zeemoto kwilizwe lethu azikabi nazo iimeko ezinjalo okwangoku. Le yingxaki ekufuneka isonjululwe xa kusetyenziswa amaphepha entsimbi angengowe-silicon.
● Umxholo wesilicon kunye nesilicon engcolileyo zinempembelelo enkulu ekusebenzeni kwamaphepha esinyithi esilicon. Emva kokongeza isilicon kwisinyithi, ukuqina kwayo kuyakhula, kwaye ikwanceda ukwahlukanisa ikhabhoni engcolileyo enobungozi. Ngokubanzi, xa isinyithi esicocekileyo songezwa ngesilicon, amandla okufakelwa kwemagnethi ayancipha kancinci, kodwa ukulahleka kwesinyithi kuyancitshiswa kakhulu. Njengoko umxholo wesilicon ukhula, ubunzima kunye nokuqhekeka kuyanda, nto leyo ebangela ubunzima ekuqengqeleni, ekunyatheleni, ekuchebeni, nasekusetyenzweni koomatshini. Okwangoku, umxholo wesilicon wamaphepha esinyithi esilicon ngokubanzi awudluli kwi-4.5%. Ukuba umxholo wesilicon uphezulu, kunzima ukwenza ukuqengqa kunye nokucubungula.
●Ubukhulu.Xa ucinga ukuba ilahleko yamandla e-eddy kwi-iron core ilingana nesikwere sobukhulu bephepha lesinyithi, kuhlobo olufanayo lwephepha lesinyithi lesilicon, okukhona ubukhulu buncipha, kokukhona ilahleko yamandla esinyithi incinci, kodwa ixesha lokwenziwa kwe-iron core liyanda kwaye i-stacking coefficient iyancipha. Ngokubanzi, ii-motors zisebenzisa amaphepha esinyithi esilicon anobukhulu obuyi-0.5 millimeters, kwaye xa iimfuno zokulahleka kwe-iron core zeejenereyitha ezinkulu ze-steam turbine zingqongqo kakhulu, kusetyenziswa amaphepha esinyithi esilicon anobukhulu obuyi-0.35 millimeters.
●Uxinzelelo.Ngexesha leenkqubo zokucheba, ukuhlanganisa, okanye ukusonga isiseko sesinyithi, uxinzelelo luya kuvela, nto leyo eyonakalisa ukusebenza kwemagnethi kwaye yonyuse ukulahleka kwesinyithi. Kuluhlu olumalunga ne-1 millimeter kumacala omabini omgca wecandelo lokusika (lokwaphuka), kuyenziwa indawo yoxinzelelo oluseleyo lomcu omnyama obonakalayo. Ngokubanzi, unyango lokutsalela lunokusetyenziswa ukuze kupheliswe uxinzelelo kwaye kubuyiselwe ukusebenza kwemagnethi yokuqala; ukusebenza kwemagnethi kweeshiti zesinyithi zesilicon ezisebenza kakuhle kakhulu zinovelwano ngakumbi kuxinzelelo.
Ixesha lokuthumela: Matshi-04-2026