Txoj cai tsim cua sov ntawmlub cev muaj zog stepper.
1, feem ntau pom txhua hom motors, sab hauv yog hlau core thiab winding coil.Cov winding muaj kev tiv thaiv, energized yuav tsim kev poob, qhov loj ntawm kev poob yog proportional rau lub square ntawm kev tiv thaiv thiab tam sim no, uas feem ntau hu ua tooj liab poob, yog tias tam sim no tsis yog tus qauv DC lossis sine nthwv dej, kuj yuav tsim kev poob harmonic; core muaj hysteresis eddy tam sim no nyhuv, nyob rau hauv lub teb magnetic alternating kuj yuav tsim kev poob, nws qhov loj me thiab cov khoom siv, tam sim no, zaus, voltage, uas yog hu ua hlau poob. Tooj liab poob thiab hlau poob yuav pom tseeb hauv daim ntawv ntawm cua sov, yog li cuam tshuam rau kev ua haujlwm ntawm lub cev muaj zog. Stepper motors feem ntau nrhiav kev raug qhov chaw thiab torque tso zis, kev ua haujlwm yog qhov tsawg, tam sim no feem ntau loj, thiab cov khoom harmonic siab, qhov zaus ntawm tam sim no alternation kuj sib txawv nrog qhov ceev, thiab yog li stepper motors feem ntau muaj cua sov, thiab qhov xwm txheej yog qhov loj dua li AC motor dav dav.
2, qhov ntau thiab tsawg tsim nyoglub cev muaj zog stepperkub.
Lub cev muaj zog cua sov tso cai rau qhov twg, feem ntau nyob ntawm qib rwb thaiv tsev sab hauv ntawm lub cev muaj zog. Kev ua haujlwm rwb thaiv tsev sab hauv ntawm qhov kub siab (130 degrees lossis ntau dua) ua ntej raug rhuav tshem. Yog li ntawd, tsuav yog 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 thaum lub sijhawm no.
Yog li ntawd, qhov kub ntawm lub cev muaj zog stepper hauv 70-80 degrees yog qhov qub. Txoj kev ntsuas kub yooj yim siv tau los ntawm lub ntsuas kub taw tes, koj tuaj yeem txiav txim siab kwv yees li: nrog tes tuaj yeem kov ntau dua 1-2 vib nas this, tsis pub ntau tshaj 60 degrees; nrog tes tsuas tuaj yeem kov, txog 70-80 degrees; ob peb tee dej sai sai vaporized, nws yog ntau dua 90 degrees.
3, lub cev muaj zog steppercua sov nrog kev hloov pauv ceev.
Thaum siv cov thev naus laus zis tsav tsheb tas li, stepper motors ntawm qhov ceev tsis hloov pauv thiab qis, qhov tam sim no yuav nyob ruaj khov kom tswj tau qhov tso zis torque tas li. Thaum qhov ceev siab txog qee qib, lub cev muaj zog sab hauv lub zog nce, qhov tam sim no yuav maj mam poob, thiab lub zog torque kuj tseem yuav poob.
Yog li ntawd, qhov xwm txheej cua sov vim yog poob tooj liab yuav nyob ntawm qhov ceev. Qhov ceev tsis txav thiab qhov ceev qis feem ntau tsim cov cua sov siab, thaum qhov ceev siab tsim cov cua sov qis. Tab sis qhov poob hlau (txawm hais tias muaj feem me dua) kev hloov pauv tsis zoo ib yam, thiab lub cev muaj zog tag nrho cov cua sov yog qhov sib sau ua ke ntawm ob qho, yog li qhov saum toj no tsuas yog qhov xwm txheej dav dav xwb.
4, qhov cuam tshuam ntawm cua sov.
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 qhov no. Tab sis qhov tseeb yuav coj qee qhov kev cuam tshuam tsis zoo. Xws li cov coefficients sib txawv ntawm kev nthuav dav thermal ntawm cov khoom sab hauv ntawm lub cev muaj zog ua rau muaj kev hloov pauv ntawm kev ntxhov siab ntawm cov qauv thiab kev hloov pauv me me hauv qhov sib txawv ntawm huab cua sab hauv, yuav cuam tshuam rau kev teb ntawm lub cev muaj zog, kev kub ceev yuav yooj yim poob kauj ruam. Lwm qhov piv txwv yog tias qee lub sijhawm tsis pub lub cev muaj zog cua sov ntau dhau, xws li cov khoom siv kho mob thiab cov khoom siv kuaj mob siab, thiab lwm yam. Yog li ntawd, lub cev muaj zog cua sov yuav tsum tswj tau.
5, yuav ua li cas kom txo tau qhov kub ntawm lub cev muaj zog.
Txo qhov kub tsim, yog kom txo qhov poob tooj liab thiab hlau poob. Txo qhov poob tooj liab hauv ob qho kev taw qhia, txo qhov tsis kam thiab tam sim no, uas yuav tsum tau xaiv qhov tsis kam me me thiab tam sim no ntsuas ntawm lub cev muaj zog ntau li ntau tau, lub cev muaj zog ob theem, lub cev muaj zog tuaj yeem siv ua ke yam tsis muaj lub cev muaj zog sib luag. Tab sis qhov no feem ntau tsis sib haum nrog qhov yuav tsum tau ua ntawm torque thiab kev kub ceev. Rau lub cev muaj zog xaiv, lub zog tswj ib nrab tam sim no ntawm lub tsav tsheb thiab kev ua haujlwm offline yuav tsum tau siv tag nrho, tus thawj zaug txo qhov tam sim no thaum lub cev muaj zog so, thiab tus tom kawg tsuas yog txiav qhov tam sim no.
Ntxiv mus, qhov kev faib tsav, vim tias qhov tam sim no waveform ze rau sinusoidal, tsawg dua harmonics, lub cev muaj zog cua sov kuj yuav tsawg dua. Muaj ob peb txoj hauv kev los txo cov hlau poob, thiab qib voltage yog cuam tshuam nrog nws. Txawm hais tias lub cev muaj zog tsav los ntawm high voltage yuav coj kev nce hauv cov yam ntxwv ceev ceev, nws kuj coj kev nce hauv kev tsim cua sov. Yog li peb yuav tsum xaiv qhov tsav voltage theem zoo, coj mus rau hauv tus account qhov ceev ceev, smoothness thiab cua sov, suab nrov thiab lwm yam qhia.
Cov txheej txheem tswj hwm rau kev ua kom nrawm thiab qeeb ntawm cov stepper motors.
Nrog rau kev siv dav dav ntawm stepper motors, kev kawm txog kev tswj hwm stepper motor kuj nce ntxiv. Thaum pib lossis thaum nrawm, yog tias lub zog stepper hloov sai dhau, lub rotor hloov vim yog inertia thiab tsis ua raws li lub teeb liab hluav taws xob, ua rau muaj kev thaiv lossis poob kauj ruam, nres lossis deceleration rau tib qho laj thawj yuav ua rau overstepping. Txhawm rau tiv thaiv kev thaiv, poob kauj ruam thiab overshoot, txhim kho qhov ua haujlwm zaus, lub stepper motor tsa kev tswj hwm ceev.
Qhov ceev ntawm lub cev muaj zog stepper nyob ntawm qhov zaus ntawm lub zog pulse, tus naj npawb ntawm cov hniav rotor thiab tus naj npawb ntawm cov beats. Nws qhov ceev angular yog proportional rau qhov zaus ntawm lub zog pulse thiab yog synchronized hauv lub sijhawm nrog lub zog pulse. Yog li, yog tias tus naj npawb ntawm cov hniav rotor thiab tus naj npawb ntawm cov khiav beats yog qhov tseeb, qhov ceev xav tau tuaj yeem tau txais los ntawm kev tswj hwm qhov zaus ntawm lub zog pulse. Txij li thaum lub cev muaj zog stepper tau pib nrog kev pab los ntawm nws lub zog synchronous, qhov zaus pib 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 zaus pib thiab qhov zaus khiav siab tshaj plaws yuav txawv ntawm kaum npaug.
Cov yam ntxwv ntawm lub cev muaj zog stepper pib zaus kom lub cev muaj zog stepper pib tsis tuaj yeem mus txog qhov zaus ua haujlwm ncaj qha, tab sis kom muaj cov txheej txheem pib, uas yog, los ntawm qhov ceev qis maj mam nce mus rau qhov ceev ua haujlwm. Nres thaum qhov zaus ua haujlwm tsis tuaj yeem txo qis tam sim ntawd mus rau xoom, tab sis kom muaj kev txo qis ceev ceev mus rau xoom.
Lub zog tso zis ntawm lub cev muaj zog stepper txo qis nrog rau qhov nce ntawm lub zaus pulse, qhov siab dua qhov pib zaus, qhov me dua qhov pib torque, qhov tsis zoo lub peev xwm tsav lub nra hnyav, qhov pib yuav ua rau poob ntawm kauj ruam, thiab thaum nres yuav tshwm sim thaum overshoot. Yuav kom lub cev muaj zog stepper mus txog qhov ceev xav tau sai thiab tsis poob kauj ruam lossis overshoot, qhov tseem ceeb yog ua kom cov txheej txheem acceleration, lub zog acceleration xav tau los ua kom siv tag nrho cov torque los ntawm lub cev muaj zog stepper ntawm txhua zaus ua haujlwm, thiab tsis pub dhau lub zog no. Yog li ntawd, kev ua haujlwm ntawm lub cev muaj zog stepper feem ntau yuav tsum dhau los ntawm kev nrawm, kev ceev sib xws, kev qeeb qeeb peb theem, lub sijhawm ua haujlwm acceleration thiab deceleration luv li sai tau, lub sijhawm ceev tas li ntev li ntev tau. Tshwj xeeb tshaj yog nyob rau hauv kev ua haujlwm xav tau kev teb sai, los ntawm qhov pib mus rau qhov kawg ntawm lub sijhawm khiav yuav tsum yog qhov luv tshaj plaws, uas yuav tsum xav tau kev nrawm, cov txheej txheem deceleration luv tshaj plaws, thaum qhov ceev siab tshaj plaws ntawm qhov ceev tas li.
Cov kws tshawb fawb thiab cov kws kho tshuab hauv tsev thiab txawv teb chaws tau ua ntau txoj kev tshawb fawb txog kev tswj hwm ceev ntawm stepper motors, thiab tau tsim ntau yam kev tswj hwm kev nrawm thiab kev qeeb qeeb, xws li qauv exponential, qauv linear, thiab lwm yam, thiab raws li qhov kev tsim thiab kev txhim kho ntawm ntau yam kev tswj hwm circuits los txhim kho cov yam ntxwv ntawm kev txav mus los ntawm stepper motors, los txhawb qhov kev siv ntawm stepper motors exponential acceleration thiab deceleration coj mus rau hauv tus account lub sijhawm-zaus yam ntxwv ntawm stepper motors, ob qho tib si los xyuas kom meej tias stepper motor nyob rau hauv kev txav mus los yam tsis poob kauj ruam, tab sis kuj muab tag nrho kev ua si rau cov yam ntxwv ntawm lub cev muaj zog, luv lub sijhawm nqa ceev, tab sis vim muaj kev hloov pauv ntawm lub cev muaj zog load, nws nyuaj rau ua tiav thaum linear acceleration thiab deceleration tsuas yog xav txog lub cev muaj zog hauv qhov muaj peev xwm thauj khoom ntawm lub kaum sab xis thiab lub plawv dhia proportional rau qhov kev sib raug zoo no, tsis yog vim muaj kev hloov pauv ntawm qhov hluav taws xob muab hluav taws xob, qhov chaw thauj khoom thiab cov yam ntxwv ntawm kev hloov pauv, txoj kev ceev no ntawm kev nrawm yog tas li, qhov tsis zoo yog tias nws tsis xav txog tag nrho cov zis torque ntawm stepper motor Nrog cov yam ntxwv ntawm kev hloov pauv ceev, stepper motor ntawm kev kub ceev yuav tshwm sim tawm ntawm kauj ruam.
Qhov no yog kev qhia txog lub hauv paus ntsiab lus ntawm cua sov thiab kev siv tshuab tswj kev ua kom nrawm/txo qis ntawm cov stepper motors.
Yog tias koj xav sib txuas lus thiab koom tes nrog peb, thov koj xav tiv tauj peb!
Peb sib tham nrog peb cov neeg siv khoom, mloog lawv cov kev xav tau thiab ua raws li lawv cov lus thov. Peb ntseeg tias kev koom tes ua lag luam yeej-yeej yog raws li qhov zoo ntawm cov khoom thiab kev pabcuam rau cov neeg siv khoom.
Lub sijhawm tshaj tawm: Plaub Hlis-27-2023