Piv nrog rau cov khoom siv tshuab dav dav, lub cev muaj zog muaj cov qauv siv tshuab zoo sib xws, thiab tib yam casting, forging, machining, stamping thiab sib dhos txheej txheem;
Tab sis qhov txawv yog pom tseeb dua.Lub cev muaj zog atshwj xeeb conductive, sib nqus thiab insulating qauv, thiab muaj qhov tshwj xeebcov txheej txheem xws li hlau core punching, winding manufacturing, dipping thiab yas sealing,uas tsis tshua muaj rau cov khoom zoo tib yam.
Kev tsim cov txheej txheem ntawm lub cev muaj zog feem ntau muaj cov yam ntxwv hauv qab no:
- Muaj ntau hom kev ua haujlwm, thiab cov txheej txheem muaj ntau yam
- Muaj ntau yam khoom siv uas tsis yog-tus qauv thiab cov cuab yeej tsis yog tus qauv,
- Muaj ntau hom kev tsim khoom;
- High machining qhov yuav tsum tau;
- Tus nqi ntawm kev siv tes ua haujlwm yog loj.
Yog tias qhov zawj cov duab tsis zoo, nws yuav cuam tshuam rau qhov zoo ntawm cov nyiaj embedded, qhov burr loj dhau, qhov tseeb qhov tseeb thiab nruj ntawm cov tub ntxhais hlau yuav cuam tshuam qhov sib nqus permeability thiab poob.
Yog li ntawd, kom ntseeg tau tias kev tsim khoom zoo ntawm cov ntawv xuas nrig ntaus thiab cov hlau cores yog ib qho tseem ceeb ntawm kev txhim kho cov khoom zoo ntawm lub cev muaj zog.
Qhov zoo ntawm xuas nrig ntaus yog cuam tshuam rau qhov zoo ntawmxuas nrig ntaus tuag, qauv, precision ntawm cov cuab yeej xuas nrig ntaus, xuas nrig ntaus cov txheej txheem, cov khoom siv ntawm cov khoom xuas nrig ntaus, thiab cov duab thiab qhov loj ntawm cov punching phaj.
Punch qhov tseeb
Los ntawm qhov tuag nam, tsim nyog clearance thiab tuag raug raug yog tsim nyog tej yam kev mob los xyuas kom meej qhov seem ntawm cov punching pieces.
Thaum siv ob lub punch, qhov tseeb qhov tseeb ntawm qhov ua haujlwm feem ntau yog txiav txim siab los ntawm kev tsim khoom ntawm cov punch, thiab tsis muaj dab tsi cuam tshuam nrog kev ua haujlwm ntawm lub punch.
Raws li cov txheej txheem technical, lubQhov sib txawv ntawm stator hniav dav qhov tseeb tsis ntau tshaj 0.12mm, thiab qhov sib txawv ntawm tus neeg cov hniav yog 0.20mm.
glitch
Yuav kom txo qis qhov burr, nws yog ib qho tsim nyog yuav tsum nruj me ntsis tswj qhov sib txawv ntawm cov punch thiab tuag thaum lub sij hawm tsim pwm;
Thaum cov tuag raug ntsia, nws yog ib qho tsim nyog los xyuas kom meej tias qhov kev tshem tawm ntawm txhua sab yog sib xws, thiab kev ua haujlwm ntawm cov tuag yuav tsum tau ua kom ntseeg tau thaum xuas nrig ntaus.Qhov loj ntawm lub burr yuav tsum tau kuaj xyuas ntau zaus, thiab txiav ntug yuav tsum tau sharpened nyob rau hauv lub sij hawm;
Lub burr yuav ua rau luv luv ntawm cov cores, ua rau cov hlau poob thiab kub nce.nruj me ntsis tswj cov tub ntxhais hlau kom ua tiav cov xovxwm-haum loj.Vim muaj cov burrs,tus naj npawb ntawm cov xuas nrig ntaus yuav raug txo, ua rau cov excitation tam sim no nce thiab efficiency yuav txo.
Yog hais tias qhov burr ntawm lub rotor ncej qhov loj dhau lawm, nws yuav ua rau txo qis ntawm lub qhov loj los yog lub ovality, ua rau nws nyuaj rau nias-haum cov tub ntxhais hlau ntawm lub ncej.Thaum lub burr tshaj qhov kev txwv, cov pwm yuav tsum tau kho raws sij hawm.
Ua tsis tiav thiab tsis huv
Yog tias kev kho rwb thaiv tsev ntawm cov ntawv xuas nrig ntaus tsis zoo lossis kev tswj tsis zoo, cov txheej txheem rwb thaiv tsev yuav raug puas tsuaj tom qab nias, kom cov hlau core yog nruab nrab thiab eddy tam sim no poob.
Qhov teeb meem zoo ntawm cov tub ntxhais hlau nias
Tsis tas li ntawd, qhov ua tau zoo ntev ntawm cov tub ntxhais hlaunce, thiaj li hais tias cov leakage reactance coefficient nce, thiab cov leakage reactance ntawm lub cev muaj zog nce.
Cov hniav ntawm stator core caij nplooj ntoos hlav qhib ntau dua li qhov tso cai
Qhov hnyav ntawm stator core tsis txaus
Yog vim li cas vim li cas lub cev hnyav tsis txaus yog:
- Lub stator xuas nrig ntaus burr loj heev;
- Lub thickness ntawm silicon steel ntawv yog tsis sib npaug;
- Cov xuas nrig ntaus yog xeb los yog stained nrog av;
- Thaum nias, lub siab tsis txaus vim roj to ntawm hydraulic xovxwm lossis lwm yam laj thawj.Lub stator core yog tsis sib xws
tsis sib npaug hauv lub voj voog
Groove phab ntsa notches yog uneven
Yog vim li cas rau qhov tsis sib xws stator core yog:
- Cov punching pieces tsis nias-haum nyob rau hauv ib ntus;
- Punching burr loj dhau;
- Grooved rods ua me me vim kev tsim khoom tsis zoo lossis hnav;
- Lub voj voog sab hauv ntawm lub cuab yeej lamination tsis tuaj yeem nruj vim qhov hnav ntawm lub voj voog sab hauv ntawm stator core;
- Lub stator punching qhov tsis zoo, thiab lwm yam.
Cov tub ntxhais stator hlau tsis sib npaug thiab yuav tsum tau ua cov grooves, uas txo qhov zoo ntawm lub cev muaj zog.Txhawm rau tiv thaiv stator hlau core los ntawm kev sib tsoo thiab ua ntaub ntawv, cov kev ntsuas hauv qab no yuav tsum tau ua:
- Txhim kho tuag manufacturing precision;
- Paub txog ib leeg-tshuab automation, kom cov xuas nrig ntaus ib ntus stacked nyob rau hauv ib theem zuj zus, thiab cov sib lawv liag yog nias-haum nyob rau hauv ib ntus;
- Tau lees paub qhov tseeb ntawm daim ntawv thov ntawm cov txheej txheem cov cuab yeej xws li pwm, grooved tuav thiab lwm yam txheej txheem khoom tsim thaum lub sij hawm xovxwm-fitting ntawm stator core
- Txhim kho qhov kev tshuaj xyuas zoo ntawm txhua tus txheej txheem hauv cov txheej txheem xuas nrig ntaus thiab nias.
Qhov zoo ntawm cov cam khwb cia txhuas rotor ncaj qha cuam tshuam rau cov kev qhia thiab kev lag luam thiab kev ua haujlwm ntawm lub tshuab asynchronous.Thaum kawm txog qhov zoo ntawm cov cam khwb cia txhuas rotor, nws tsis yog tsuas yog tsim nyog los tshuaj xyuas qhov tsis xws luag ntawm lub rotor, tab sis kujkom nkag siab qhov zoo ntawm cov cam khwb cia txhuas rotor rau lub cev muaj zog efficiency thiab lub zog.Thiab qhov cuam tshuam ntawm kev pib thiab kev khiav haujlwm.
Kev sib raug zoo ntawm txhuas casting txoj kev thiab rotor zoo
Qhov no yog vim hais tias lub zog siab thaum lub sij hawm tuag casting ua rau lub tawb bar thiab cov tub ntxhais hlau sib cuag zoo heev, thiab txawm tias txhuas cov dej squeezes ntawm lub laminations, thiab lateral tam sim no nce, uas zoo heev tsub kom qhov ntxiv poob ntawm lub cev muaj zog.
Tsis tas li ntawd, vim lub zog ceev ceev thiab kev kub siab thaum lub sij hawm tuag casting, huab cua hauv cov kab noj hniav tsis tuaj yeem raug tshem tawm tag nrho, thiab cov pa roj ntau ntau yog densely faib nyob rau hauv lub rotor tawb tuav, kawg rings, kiv cua, thiab lwm yam. feem ntawmcentrifugal cam khwb cia txhuas yog txo (li 8% tsawg dua li ntawm centrifugal cam khwb cia txhuas).Covnruab nrab kuj nce 13%, uas zoo heev txo lub ntsiab technical thiab economic ntsuas ntawm lub cev muaj zog.Txawm hais tias centrifugal cam khwb cia txhuas rotor cuam tshuam los ntawm ntau yam, nws yog ib qho yooj yim los tsim qhov tsis xws luag, tab sis qhov poob ntxiv yog me me.
Thaum tsis tshua muaj siab casting txhuas, cov dej txhuas tau ncaj qha los ntawm sab hauv ntawm lub crucible, thiab nws yog poured ntawm ib tug kuj "slow" tsis tshua muaj siab, thiab lub tso pa yog zoo dua;Thaum cov lus qhia bar yog solidified, lub sab sauv thiab qis kawg rings yog supplemented nrog txhuas dej.Yog li ntawd, tsis tshua muaj siab cam khwb cia txhuas rotor yog zoo zoo.
Nws tuaj yeem pom tias qhov qis-siab cam khwb cia txhuas rotor yog qhov zoo tshaj plaws hauv kev ua haujlwm hluav taws xob, ua raws li centrifugal cam khwb cia txhuas, thiab siab cam khwb cia txhuas yog qhov phem tshaj.
Kev cuam tshuam ntawm rotor huab hwm coj ntawm kev ua haujlwm ntawm lub cev muaj zog
- Lub rotor xuas nrig ntaus burr loj heev;
- Lub thickness ntawm silicon steel ntawv yog tsis sib npaug;
- Lub rotor punch yog xeb lossis qias neeg;
- Lub siab thaum lub sij hawm xovxwm-fitting yog me me (lub siab nias ntawm lub rotor core feem ntau yog 2.5 ~ .MPa).
- Lub preheating kub ntawm cov cam khwb cia txhuas rotor core yog siab dhau lawm, lub sij hawm ntev dhau lawm, thiab cov tub ntxhais yog burnt tiag, uas txo cov net ntev ntawm cov tub ntxhais.
Qhov hnyav ntawm cov tub ntxhais rotor tsis txaus, uas yog sib npaug rau qhov txo qhov ntev ntawm lub rotor core, uas txo qhov kev sib nqus ntawm cov hniav ntawm cov hniav thiab cov rotor choke, thiab ua kom cov hlau nplaum flux ceev.Cov teebmeem ntawm lub cev muaj zog yog:
- Lub excitation tam sim no nce, lub zog qhov tseem ceeb txo, lub stator tam sim no ntawm lub cev muaj zog nce, tooj liab poob ntawm lub rotor nce,efficiency txo, thiab qhov kub thiab txias nce.
Rotor staggered, qhov slash tsis ncaj
- Lub rotor tub ntxhais tsis nyob nrog lub qhov bar thaum lub sij hawm nias-fitting, thiab lub qhov rooj phab ntsa tsis zoo huv si.
- Lub clearance nruab nrab ntawm oblique qhov tseem ceeb ntawm lub dummy ncej thiab lub qhov tseem ceeb ntawm lub xuas nrig ntaus daim yog loj heev;
- Lub siab thaum nias-fitting yog me me, thiab tom qab preheating, burrs thiab roj stains ntawm cov ntawv xuas nrig ntaus raug hlawv, uas ua rau daim ntawv rotor xoob;
- Tom qab lub rotor yog preheated, nws yog muab pov thiab dov rau hauv av, thiab lub rotor xuas nrig ntaus daim ua angular xaav.
Cov teeb meem saum toj no yuav txo qhov rotor qhov, ua kom cov dej ntws tawm ntawm lub rotor qhov,txo tus ntoo khaub lig seem ntawm lub bar, ua kom lub zog ntawm lub bar, thiab muaj cov teebmeem hauv qab no rau kev ua haujlwm ntawm lub cev muaj zog:
- Qhov siab tshaj plaws torque raug txo, qhov pib torque raug txo, lub reactance tam sim no ntawm tag nrho cov load yog nce, thiab lub hwj chim yam yuav txo;
- Lub stator thiab rotor tam sim no nce, thiab tooj liab poob ntawm stator nce;
- Lub rotor poob nce, qhov ua tau zoo txo, qhov kub thiab txias nce, thiab qhov sib piv yog qhov loj.
Qhov dav ntawm lub rotor chute yog loj dua los yog me dua li tus nqi tso cai
Cov teebmeem ntawm lub cev muaj zog yog:
- Yog hais tias lub chute dav loj dua tus nqi tso cai, qhov to ntawm lub rotor chute yuav nce, thiab tag nrho cov to reactance ntawm lub cev muaj zog yuav nce;
- Qhov ntev ntawm qhov bar nce, qhov kev tiv thaiv ntawm qhov bar nce, thiab qhov cuam tshuam ntawm kev ua haujlwm ntawm lub cev muaj zog yog tib yam li hauv qab no;
- Thaum lub chute dav me dua li tus nqi tso cai, qhov xau reactance ntawm lub rotor chute txo, tag nrho cov to reactance ntawm lub cev muaj zog txo, thiab pib tam sim no nce;
- Lub suab nrov thiab kev vibration ntawm lub cev muaj zog yog loj.
Lub rotor bar tawg
- Lub rotor hlau core yog nias-haum nruj heev, thiab lub rotor hlau core nthuav tawm tom qab casting txhuas, thiab ntau dhau rub quab yuam yog siv rau txhuas sawb, uas yuav ua rau cov txhuas sawb.
- Tom qab casting txhuas, cov pwm tso tawm ntxov dhau lawm, cov dej txhuas tsis muaj zog, thiab cov txhuas bar tau tawg vim qhov nthuav dav ntawm cov tub ntxhais hlau.
- Ua ntej casting aluminium, muaj kev suav nrog hauv rotor core zawj.
Lub winding yog lub plawv ntawm lub cev muaj zog, thiab nws lub neej ntev thiab kev ntseeg tau ntawm kev ua haujlwm feem ntau yog nyob ntawm qhov zoo ntawm cov khoom siv winding, electromagnetic cuam tshuam thaum lub sijhawm ua haujlwm, txhua yam kev vibration thiab ib puag ncig;
Kev xaiv ntawm cov ntaub ntawv insulating thiab cov qauv, qhov tsis xws luag thiab rwb thaiv tsev kho mob zoo thaum lub sijhawm tsim khoom, cuam tshuam ncaj qha rau qhov zoo ntawm winding,yog li ntawd yuav tsum tau them nyiaj mloog mus rau lub winding manufacturing, winding poob thiab rwb thaiv tsev kho.
Feem ntau ntawm cov hlau nplaum hlau uas feem ntau siv rau hauv lub cev muaj zog windings yog cov xov hlau insulated, yog li cov hlau rwb thaiv tsev yuav tsum muaj cov khoom siv hluav taws xob txaus, lub zog hluav taws xob, cov kuab tshuaj tiv thaiv zoo, kub kub ua haujlwm, thiab cov rwb thaiv tsev zoo dua.
Cov khoom siv rwb thaiv tsev
- Dielectric zog
- Rwb thaiv tsev resistivity KV / mm MΩ piv ntawm cov ntaub ntawv voltage ntawm insulating khoom / leakage tam sim no ntawm insulating khoom;
- Lub dielectric tas li, lub zog ntawm lub peev xwm khaws cov nqi hluav taws xob electrostatic;
- Dielectric poob, lub zog poob hauv alternating magnetic teb;
- Corona tsis kam, arc tsis kam thiab tiv thaiv kev tawm mus ua haujlwm.
Mechanical zog
Lub cev thiab tshuaj muaj zog
Kev soj ntsuam zoo ntawm cov coils
Kev tshuaj xyuas qhov tshwm sim
- Qhov ntev thiab qhov tshwj xeeb ntawm cov khoom siv rau kev tshuaj xyuas yuav tsum ua raws li cov qauv kos duab thiab cov qauv kev ua haujlwm.
- Lub suab ntawm cov windings yuav tsum ua tau raws li cov kev xav tau ntawm cov duab kos, kev sib txuas ntawm cov windings yuav tsum raug, qhov ncaj yuav tsum ncaj thiab zoo huv si, qhov kawg yuav tsum tsis txhob hla dhau, thiab cov duab ntawm cov rwb thaiv tsev ntawm qhov kawg yuav tsum tau ua raws. cov cai.
- Lub qhov hlais yuav tsum muaj qhov nruj txaus, thiab xyuas nrog lub caij nplooj ntoo hlav yog tias tsim nyog.Yuav tsum tsis muaj rupture thaum kawg.Lub qhov hlais yuav tsum tsis txhob siab tshaj lub voj voog sab hauv ntawm cov tub ntxhais hlau.
- Siv cov qauv los xyuas tias cov duab thiab qhov loj ntawm qhov kawg winding yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm daim duab kos, thiab qhov kawg khi yuav tsum ruaj.
- Ob qhov kawg ntawm lub qhov hluav taws xob rwb thaiv tsev yog tawg thiab kho, uas yuav tsum tau txhim khu kev qha.Rau cov motors uas muaj tsawg dua 36 qhov, nws yuav tsum tsis txhob ntau tshaj peb qhov chaw thiab yuav tsum tsis txhob tawg mus rau qhov tseem ceeb.
- DC tsis kam tso cai ± 4%
Tiv thaiv qhov ntsuas hluav taws xob
Qhov ntsuas hluav taws xob yog AC, zaus yog 50Hz thiab qhov tseeb sine waveform.Nyob rau hauv lub Hoobkas kuaj, tus nqi zoo ntawm qhov ntsuas voltage yog 1260V(Thaum P2 <1KW)lub 1760v(Thaum P2≥1KW);
Thaum qhov kev ntsuam xyuas tau ua tiav tom qab kos cov xaim, qhov txiaj ntsig zoo ntawm qhov ntsuas hluav taws xob yog 1760V(P2 <1KW)los yog 2260V(P2≥1KW).
Lub stator winding yuav tsum muaj peev xwm tiv taus qhov voltage saum toj no rau 1min yam tsis muaj kev puas tsuaj.
Kev soj ntsuam zoo ntawm Winding Insulation Treatment
Moisture tsis kam ntawm windings
Thermal thiab thermal zog ntawm windings
Mechanical zog ntawm windings
Tshuaj stability ntawm windings
Tom qab kev kho tshwj xeeb rwb thaiv tsev, nws kuj tseem tuaj yeem ua rau cov cua sov los tiv thaiv mildew, tiv thaiv corona thiab tiv thaiv roj, thiaj li txhim kho cov tshuaj stability ntawm winding.
Cov yam ntxwv ntawm lub cev muaj zog yog txiav txim siab los ntawm kev siv cov kev cai thiab cov yam ntxwv ntawm cov qauv, feem ntau suav nrog:
Txhua qhov chaw yuav tsum sib hloov tau
Lub Tsev Haujlwm Saib Xyuas Kev Ruaj Ntseg Hauv Lub Xeev: Raws li kev sib koom ua ke ntawm ntau hom motors thiab qee hom motors, qee cov qauv qauv tau tsim.Raws li qhov tshwj xeeb yuav tsum tau ntawm ib co series los yog ib tug tej yam ntau yam, tus qauv yog formulated.
Txhua lub tuam txhab yuav tsum tsim cov qauv kev siv cov cai raws li nws tus kheej qhov xwm txheej los tsim cov qauv tsim khoom tshwj xeeb hauv kev lag luam.
Ntawm cov qauv ntawm txhua theem, tshwj xeeb tshaj yog cov qauv hauv tebchaws, muaj cov qauv tsim nyog, cov qauv kev pom zoo thiab cov qauv qhia.
Standard naj npawb muaj pes tsawg leeg
Qhov thib ob: Piv txwv li, GB755 yog lub teb chaws tus qauv No.
Qhov thib peb: yog - cais los ntawm qhov thib ob thiab siv cov lej Arabic los qhia lub xyoo ntawm kev siv.
Tus qauv uas cov khoom yuav tsum tau ua raws (feem ntau)
- GB / T755-2000 Rotating Electric Tsav Ntsuas thiab Kev Ua Haujlwm
- GB / T12350-2000 Kev nyab xeeb yuav tsum muaj rau lub cev muaj zog qis
- GB/T9651-1998 Test method rau unidirectional stepping motor
- JB / J4270-2002 Cov txheej txheem dav dav rau cov motors sab hauv ntawm chav cua txias.
tus qauv tshwj xeeb
- GB/T10069.1-2004 Noise Determination Methods and Limits of Rotating Electric Machines, Noise Determination Methods
- GB / T12665-1990 Damp heat test yuav tsum muaj rau cov motors siv nyob rau hauv ib puag ncig
Feem ntau, lub cev muaj zog yog ib qho khoom lag luam uas them rau qhov koj them rau.Qhov zoo ntawm lub cev muaj zog nrog tus nqi sib txawv loj yuav txawv.Nws tsuas yog nyob ntawm seb qhov zoo thiab tus nqi ntawm lub cev muaj zog tuaj yeem ua tau raws li cov neeg siv khoom xav tau.Haum rau kev lag luam sib txawv.
Post lub sij hawm: Jun-24-2022