Thaum tshav kub kub tiam txoj cai ntawmstepper lub cev muaj zog.
1, feem ntau pom txhua yam motors, sab hauv yog hlau core thiab winding coil.Lub winding muaj qhov tsis kam, energized yuav ua rau poob, qhov loj ntawm qhov poob yog proportional rau lub square ntawm qhov tsis kam thiab tam sim no, uas yog feem ntau hu ua tooj liab poob, yog hais tias tam sim no tsis yog tus qauv DC los yog sine yoj, kuj yuav tsim harmonic poob; core muaj hysteresis eddy tam sim no cov nyhuv, nyob rau hauv alternating magnetic teb yuav kuj tsim poob, nws loj thiab cov khoom, tam sim no, zaus, voltage, uas yog hu ua hlau poob. tooj liab thiab hlau poob yuav tshwm sim nyob rau hauv daim ntawv ntawm tshav kub, yog li cuam tshuam lub efficiency ntawm lub cev muaj zog. Stepper motors feem ntau nrhiav qhov tseeb qhov tseeb thiab lub zog tso tawm, kev ua haujlwm tsawg, qhov tam sim no feem ntau kuj loj, thiab cov khoom sib haum xeeb siab, qhov zaus ntawm kev hloov pauv tam sim no kuj txawv nrog qhov ceev, thiab yog li stepper motors feem ntau muaj cua sov, thiab qhov xwm txheej hnyav dua li AC lub cev muaj zog.
2, qhov tsim nyog ntau yam ntawmstepper lub cev muaj zogkub.
Lub cev muaj zog hluav taws xob tso cai rau qhov twg, feem ntau yog nyob ntawm lub cev muaj zog hauv kev rwb thaiv tsev. Internal rwb thaiv tsev kev ua tau zoo ntawm qhov kub thiab txias (130 degrees los yog ntau tshaj) ua ntej yuav raug puas tsuaj. Yog li tsuav yog qhov sab hauv tsis tshaj 130 degrees, lub cev muaj zog yuav tsis poob lub nplhaib, thiab qhov kub ntawm qhov chaw yuav qis dua 90 degrees rau lub sijhawm no.
Yog li ntawd, lub stepper motor nto kub nyob rau hauv 70-80 degrees yog qhov qub. Kev ntsuas kub yooj yim txoj kev ntsuas ntsuas qhov ntsuas kub, koj tuaj yeem txiav txim siab: nrog txhais tes tuaj yeem kov ntau dua 1-2 vib nas this, tsis ntau tshaj 60 degrees; nrog txhais tes tsuas yog kov, txog 70-80 degrees; ob peb tee dej sai sai vaporized, nws yog ntau tshaj 90 degrees.
3, stepper lub cev muaj zogcua sov nrog ceev hloov.
Thaum siv cov cuab yeej tsav tam sim no tsis tu ncua, stepper motors ntawm qhov zoo li qub thiab tsis tshua muaj ceev, qhov tam sim no yuav nyob twj ywm kom tswj tau qhov tso tawm tsis tu ncua. Thaum qhov ceev yog siab mus rau ib theem, lub cev muaj zog lub sab hauv txee muaj peev xwm sawv, tam sim no yuav maj mam poob, thiab lub torque kuj yuav poob.
Yog li ntawd, cov cua kub kub vim tooj liab poob yuav ceev nyob ntawm seb. Static thiab qis ceev feem ntau ua kom muaj cua sov, thaum kev kub ceev ua kom tsis muaj cua sov. Tab sis cov hlau poob (txawm hais tias ib qho kev faib ua me me) hloov tsis zoo ib yam, thiab lub cev muaj zog raws li tag nrho cov cua sov yog qhov sib npaug ntawm ob, yog li cov saum toj no tsuas yog qhov xwm txheej.
4, qhov cuam tshuam ntawm tshav kub.
Txawm hais tias lub cev muaj zog cua sov feem ntau tsis cuam tshuam rau lub neej ntawm lub cev muaj zog, feem ntau ntawm cov neeg siv khoom tsis tas yuav them sai sai rau. Tab sis tiag tiag yuav coj tej yam tsis zoo. Xws li qhov sib txawv coefficients ntawm thermal expansion ntawm sab hauv ntawm lub cev muaj zog ua rau muaj kev hloov pauv hauv cov qauv kev ntxhov siab thiab kev hloov me me ntawm cov cua hauv nruab nrab, yuav cuam tshuam rau cov lus teb dynamic ntawm lub cev muaj zog, kev kub ceev yuav yooj yim poob kauj ruam. Lwm qhov piv txwv yog tias qee lub sijhawm tsis tso cai rau cov cua kub ntau dhau ntawm lub cev muaj zog, xws li cov khoom siv kho mob thiab cov cuab yeej ntsuas siab, thiab lwm yam.. Yog li ntawd, cov cua kub ntawm lub cev muaj zog yuav tsum tau tswj.
5, yuav ua li cas txo cov cua sov ntawm lub cev muaj zog.
Txo cov cua sov tsim, yog kom txo tau tooj liab thiab hlau poob. Txo cov tooj liab poob hauv ob qho kev qhia, txo qhov tsis kam thiab tam sim no, uas yuav tsum tau xaiv cov kev tiv thaiv me me thiab ntsuas tam sim no ntawm lub cev muaj zog ntau npaum li qhov ua tau, ob-theem lub cev muaj zog, lub cev muaj zog tuaj yeem siv hauv series tsis muaj lub cev muaj zog. Tab sis qhov no feem ntau contradicts qhov yuav tsum tau ntawm torque thiab kev kub ceev. Rau qhov xaiv lub cev muaj zog, tus tsav tsis siv neeg ib nrab-tam sim no tswj kev ua haujlwm thiab kev ua haujlwm offline yuav tsum tau siv tag nrho, lub qub cia li txo qhov tam sim no thaum lub cev muaj zog nyob rau hauv so, thiab tom kawg tsuas yog txiav tawm tam sim no.
Tsis tas li ntawd, lub subdivision tsav, vim hais tias tam sim no waveform yog ze rau sinusoidal, tsawg harmonics, lub cev muaj zog cua sov kuj yuav tsawg. Muaj ob peb txoj hauv kev los txo cov hlau tsis zoo, thiab cov qib voltage muaj feem xyuam rau nws. Txawm hais tias lub cev muaj zog tsav los ntawm qhov hluav taws xob siab yuav ua rau muaj kev nce siab hauv cov yam ntxwv siab, nws kuj tseem ua rau muaj kev kub ntxhov ntxiv. Yog li ntawd, peb yuav tsum xaiv qhov zoo tsav voltage theem, coj mus rau hauv tus account qhov kev kub ceev, smoothness thiab kub, suab nrov thiab lwm yam ntsuas.
Tswj cov txheej txheem rau acceleration thiab deceleration txheej txheem ntawm stepper motors.
Nrog rau kev siv ntau ntawm stepper motors, txoj kev kawm ntawm stepper lub cev muaj zog tswj kuj nce ntxiv, thaum pib los yog acceleration yog lub stepper pulse hloov sai heev, lub rotor vim inertia thiab tsis ua raws li cov hluav taws xob teeb liab hloov, uas ua rau thaiv los yog poob kauj ruam nyob rau hauv lub nres los yog deceleration rau tib yam yog vim li cas tej zaum yuav overstepping. Txhawm rau tiv thaiv kev thaiv, poob ntawm kauj ruam thiab overshoot, txhim kho kev ua haujlwm zaus, lub tshuab stepper nqa lub zog tswj.
Qhov ceev ntawm lub tshuab stepper yog nyob ntawm qhov zaus ntawm cov mem tes, tus naj npawb ntawm cov hniav rotor thiab tus naj npawb ntawm cov neeg ntaus. Nws angular ceev yog proportional rau mem tes zaus thiab synchronized nyob rau hauv lub sij hawm nrog lub mem tes. Yog li, yog tias tus naj npawb ntawm cov hniav rotor thiab tus naj npawb ntawm cov neeg ntaus khiav yog qhov tseeb, qhov xav tau ceev tuaj yeem tau los ntawm kev tswj cov mem tes zaus. Txij li thaum lub stepper lub cev muaj zog pib nrog kev pab los ntawm nws cov synchronous torque, qhov pib zaus tsis siab kom tsis txhob poob kauj ruam. Tshwj xeeb tshaj yog thaum lub zog nce, lub rotor txoj kab uas hla nce, qhov inertia nce, thiab qhov pib zaus thiab qhov siab tshaj plaws khiav zaus yuav txawv ntawm ntau npaum li kaum zaug.
Cov yam ntxwv pib zaus ntawm stepper lub cev muaj zog kom lub stepper lub cev muaj zog pib tsis tuaj yeem ncaj qha mus txog qhov kev khiav hauj lwm zaus, tab sis kom muaj cov txheej txheem pib, uas yog, los ntawm qhov qis qis maj mam nce mus rau kev khiav hauj lwm ceev. Nres thaum qhov kev khiav hauj lwm zaus tsis tuaj yeem txo qis tam sim ntawd mus rau xoom, tab sis kom muaj kev kub ceev gradual txo mus rau xoom txheej txheem.
Cov zis torque ntawm stepper lub cev muaj zog txo qis nrog qhov nce ntawm cov mem tes zaus, siab dua qhov pib zaus, qhov me dua qhov pib torque, lub peev xwm tsav lub load tsis zoo, qhov pib yuav ua rau poob ntawm cov kauj ruam, thiab nyob rau hauv lub nres yuav tshwm sim thaum lub overshoot. Ua kom lub cev muaj zog stepper sai sai mus txog qhov yuav tsum tau ceev thiab tsis poob kauj ruam lossis overshoot, tus yuam sij yog ua kom cov txheej txheem acceleration, acceleration torque yuav tsum tau ua kom tag nrho cov torque muab los ntawm stepper lub cev muaj zog ntawm txhua qhov kev khiav hauj lwm zaus, thiab tsis pub tshaj qhov torque. Yog li ntawd, kev khiav hauj lwm ntawm lub stepper lub cev muaj zog feem ntau yuav tsum mus los ntawm lub acceleration, uniform ceev, deceleration peb theem, lub acceleration thiab deceleration txheej txheem lub sij hawm luv luv li sai tau, lub sij hawm ceev ceev kom ntev li ntev tau. Tshwj xeeb tshaj yog nyob rau hauv kev ua hauj lwm yuav tsum tau ib tug ceev teb, los ntawm qhov pib taw tes mus rau thaum xaus ntawm lub sij hawm khiav yuav tsum tau lub shortest, uas yuav tsum tau acceleration, deceleration txheej txheem yog luv luv, thaum lub siab tshaj plaws ceev ntawm qhov ceev ceev.
Cov kws tshawb fawb thiab cov kws tshaj lij hauv tsev thiab txawv teb chaws tau ua ntau yam kev tshawb fawb txog kev tswj kev ceev ntawm stepper motors, thiab tsim ntau yam acceleration thiab deceleration tswj lej qauv, xws li exponential qauv, linear qauv, thiab lwm yam, thiab nyob rau hauv lub hauv paus ntawm no tsim thiab kev loj hlob ntawm ntau yam kev tswj circuits los txhim kho cov lus tsa suab ntawm stepper motors, yuav siv sij hawm ib tug ntau yam ntawm kev siv lub cev muaj zog exponential. mus rau hauv tus account lub caij nyoog zaus tus yam ntxwv ntawm stepper motors, ob qho tib si los xyuas kom meej tias lub stepper lub cev muaj zog nyob rau hauv lub zog tsis poob kauj ruam, tab sis kuj muab tag nrho cov kev ua si rau cov yam ntxwv ntawm lub cev muaj zog, luv lub sij hawm nqa ceev, tab sis vim hais tias ntawm cov kev hloov nyob rau hauv lub cev muaj zog load, nws yog ib qho nyuaj rau ua tiav thaum linear acceleration thiab deceleration tsuas yog xav txog lub cev muaj zog nyob rau hauv lub load peev xwm ntau yam ntawm fluctuation thiab practicality. muab qhov hluav taws xob, qhov chaw thauj khoom thiab cov yam ntxwv ntawm qhov kev hloov pauv, txoj kev nrawm nrawm no yog qhov tsis tu ncua, qhov tsis zoo yog tias nws tsis xav txog tag nrho cov stepper lub cev muaj zog tso zis torque Nrog cov yam ntxwv ntawm kev hloov ceev, stepper motor ntawm kev kub ceev yuav tshwm sim tawm ntawm kauj ruam.
Qhov no yog ib qho kev taw qhia rau lub hauv paus ntsiab lus cua sov thiab acceleration / deceleration txheej txheem tswj tshuab ntawm stepper motors.
Yog tias koj xav sib txuas lus thiab koom tes nrog peb, thov koj xav tiv tauj peb!
Peb cuam tshuam nrog peb cov neeg siv khoom, mloog lawv cov kev xav tau thiab ua raws li lawv qhov kev thov. Peb ntseeg tias kev sib koom tes yeej-yeej yog raws li cov khoom lag luam zoo thiab cov neeg siv khoom.
Post lub sij hawm: Apr-27-2023