1. Dab tsi yog stepper motor?
Stepper lub cev muaj zog yog ib tug actuator uas converts hluav taws xob pulses mus rau hauv angular xaav. Txhawm rau muab tso ncaj qha: thaum tus tsav tsheb stepper tau txais lub teeb liab mem tes, nws tsav lub tshuab stepper tig lub kaum sab xis (thiab lub kaum sab xis) hauv qhov kev taw qhia. Koj tuaj yeem tswj tus naj npawb ntawm cov pulses los tswj lub angular hloov chaw, thiaj li ua tiav lub hom phiaj ntawm qhov chaw raug; Nyob rau tib lub sijhawm, koj tuaj yeem tswj tau qhov zaus ntawm pulses los tswj qhov nrawm thiab nrawm ntawm lub cev muaj zog tig, thiaj li ua tiav lub hom phiaj ntawm kev tswj ceev.
2. Dab tsi ntawm stepper motors muaj?
Muaj peb hom stepping motors: cov hlau nplaum ruaj khov (PM), reactive (VR) thiab hybrid (HB). Cov hlau nplaum ruaj khov stepping feem ntau yog ob-theem, nrog lub zog me me thiab ntim, thiab lub kaum sab xis feem ntau yog 7.5 degrees lossis 15 degrees; reactive stepping feem ntau yog peb-theem, nrog cov zis loj torque, thiab lub kaum sab xis yog feem ntau 1.5 degrees, tab sis lub suab nrov thiab kev co zoo heev. Hauv Tebchaws Europe thiab Tebchaws Meskas thiab lwm lub tebchaws tsim kho hauv 80's tau raug tshem tawm; hybrid stepping hais txog kev sib xyaw ntawm cov hlau nplaum ruaj khov thiab qhov zoo ntawm cov tshuaj tiv thaiv hom. Nws muab faib ua ob-theem thiab tsib-theem: ob-theem stepping lub kaum sab xis feem ntau yog 1.8 degrees thiab tsib-theem stepping kaum feem ntau yog 0.72 degrees. Hom stepper lub cev muaj zog no yog siv dav tshaj plaws.
3. Dab tsi yog qhov tuav lub zog (HOLDING TORQUE)?
Tuav torque (HOLDING TORQUE) yog hais txog lub zog ntawm lub stator xauv lub rotor thaum lub zog stepper lub cev muaj zog tab sis tsis tig. Nws yog ib qho tseem ceeb tshaj plaws ntawm lub cev muaj zog stepper, thiab feem ntau lub torque ntawm lub stepper lub cev muaj zog ntawm qis speeds yog ze rau lub tuav torque. Txij li thaum cov zis torque ntawm lub stepper lub cev muaj zog txuas ntxiv mus rau qhov nrawm nrawm, thiab cov zis hluav taws xob hloov pauv nrog kev nce nrawm, lub zog tuav tau dhau los ua ib qho tseem ceeb tshaj plaws rau kev ntsuas lub zog stepper. Piv txwv li, thaum tib neeg hais tias 2N.m stepping motor, nws txhais tau hais tias lub stepping motor nrog tuav lub zog ntawm 2N.m yam tsis muaj cov lus qhia tshwj xeeb.
4. DETENT TORQUE yog dab tsi?
DETENT TORQUE yog lub torque uas lub stator xauv lub rotor thaum lub kauj ruam lub cev muaj zog tsis energized.DETENT TORQUE tsis tau txhais nyob rau hauv ib tug niaj hnub txoj kev nyob rau hauv Tuam Tshoj, uas yog ib qho yooj yim rau to taub yuam kev; txij li thaum lub rotor ntawm lub reactive stepping lub cev muaj zog tsis yog ib qho khoom siv hlau nplaum ruaj khov, nws tsis muaj DETENT TORQUE.
5. Dab tsi yog qhov precision ntawm stepping motor? Puas yog cumulative?
Feem ntau, qhov tseeb ntawm stepper lub cev muaj zog yog 3-5% ntawm lub kaum sab xis, thiab nws tsis suav nrog.
6. Qhov kub npaum li cas pub rau sab nrauv ntawm lub tshuab stepper?
Lub siab kub ntawm stepping lub cev muaj zog yuav firstly demagnetize cov khoom sib nqus ntawm lub cev muaj zog, uas yuav ua rau torque poob los yog txawm tawm ntawm kauj ruam, yog li qhov siab tshaj plaws kub tso cai rau sab nrauv ntawm lub cev muaj zog yuav tsum nyob ntawm seb demagnetization point ntawm cov khoom sib nqus ntawm cov motors sib txawv; Feem ntau, qhov demagnetization point ntawm cov khoom sib nqus yog tshaj 130 degrees Celsius, thiab qee qhov ntawm lawv txawm tias mus txog ntau tshaj 200 degrees Celsius, yog li nws yog ib txwm zoo rau sab nrauv ntawm lub kauj ruam yuav tsum nyob rau hauv qhov kub ntawm 80-90 degrees Celsius.
7. Vim li cas lub torque ntawm stepper lub cev muaj zog txo nrog qhov nce ntawm kev sib hloov ceev?
Thaum lub kauj ruam lub cev muaj zog tig, qhov inductance ntawm txhua theem ntawm lub cev muaj zog winding yuav tsim lub zog rov qab electromotive; qhov siab dua qhov zaus, qhov loj dua qhov rov qab electromotive quab yuam. Raws li nws qhov kev nqis tes ua, lub cev muaj zog theem tam sim no txo qis nrog qhov nce ntawm zaus (lossis nrawm), uas ua rau txo qis ntawm torque.
8. Vim li cas lub stepper lub cev muaj zog tuaj yeem ua haujlwm ib txwm nyob ntawm qhov qis qis, tab sis yog tias nws siab tshaj qhov ceev tsis tuaj yeem pib, thiab nrog lub suab nrov nrov?
Stepping lub cev muaj zog muaj ib qho kev ntsuas: tsis muaj-load pib zaus, uas yog, mem tes zaus ntawm stepping lub cev muaj peev xwm pib ib txwm nyob rau hauv tsis muaj load, yog hais tias tus mem tes zaus siab tshaj tus nqi no, lub cev muaj zog tsis tuaj yeem pib ib txwm, thiab nws yuav plam kauj ruam lossis thaiv. Nyob rau hauv cov ntaub ntawv ntawm ib tug load, qhov pib zaus yuav tsum qis dua. Yog hais tias lub cev muaj zog yuav tsum tau ua tiav kev sib hloov ceev, cov mem tes zaus yuav tsum tau nrawm, piv txwv li, qhov pib zaus qis, thiab tom qab ntawd nce mus rau qhov xav tau siab zaus (lub cev muaj zog los ntawm qis mus rau siab) ntawm qee qhov acceleration.
9. Yuav ua li cas kov yeej kev vibration thiab suab nrov ntawm ob-theem hybrid stepping lub cev muaj zog ntawm qis ceev?
Kev vibration thiab suab nrov yog qhov tsis zoo ntawm stepper motors thaum tig ntawm qhov nrawm, uas feem ntau tuaj yeem kov yeej los ntawm cov kev pabcuam hauv qab no:
A. Yog hais tias lub stepping lub cev muaj zog tshwm sim ua hauj lwm nyob rau hauv resonance cheeb tsam, lub resonance cheeb tsam yuav zam tau los ntawm kev hloov cov neeg kho tshuab kis tau tus mob xws li qhov txo qhov ratio;
B. Txais tus neeg tsav tsheb nrog kev ua haujlwm subdivision, uas yog txoj kev siv ntau tshaj plaws thiab yooj yim tshaj plaws;
C. Hloov nrog stepping lub cev muaj zog nrog lub kaum sab xis me, xws li peb-theem lossis tsib-theem stepping lub cev muaj zog;
D. Hloov mus rau AC servo motors, uas yuav luag tag nrho cov kev vibration thiab suab nrov, tab sis ntawm tus nqi siab dua;
E. Nyob rau hauv lub cev muaj zog ncej nrog ib tug sib nqus damper, kev ua lag luam muaj xws li cov khoom, tab sis cov neeg kho tshuab qauv ntawm kev hloov loj.
10. Puas yog qhov subdivision ntawm tus tsav yog qhov tseeb?
Stepper motor interpolation yog qhov tseem ceeb ntawm cov tshuab hluav taws xob damping (thov xa mus rau cov ntaub ntawv tseem ceeb), lub hom phiaj tseem ceeb ntawm kev ua kom qis lossis tshem tawm cov kev vibration qis ntawm lub tshuab stepper, thiab txhawm rau txhim kho lub cev muaj zog khiav qhov tseeb tsuas yog ib qho teeb meem ntawm kev siv tshuab interpolation. Piv txwv li, rau ob-theem hybrid stepping lub cev muaj zog nrog lub kaum sab xis ntawm 1.8 °, yog tias tus neeg tsav tsheb interpolation tus lej interpolation yog teem rau 4, ces lub cev muaj zog khiav kev daws teeb meem yog 0.45 ° ib mem tes. Txawm hais tias lub cev muaj zog qhov tseeb tuaj yeem ncav cuag lossis mus txog 0.45 ° kuj nyob ntawm lwm yam xws li qhov tseeb ntawm kev tswj xyuas tam sim no ntawm tus tsav tsheb interpolation. Txawv manufacturers ntawm subdivided tsav precision yuav txawv heev; qhov loj dua cov ntsiab lus subdivided qhov nyuaj los tswj cov precision.
11. Dab tsi yog qhov sib txawv ntawm kev sib txuas ntawm kev sib txuas thiab kev sib txuas ntawm plaub-theem hybrid stepping tsav thiab tsav tsheb?
Plaub-theem hybrid stepping lub cev muaj zog feem ntau yog tsav los ntawm ob-theem tsav tsheb, yog li ntawd, kev sib txuas yuav siv tau rau hauv kev sib txuas los yog kev sib txuas mus txuas rau plaub-theem lub cev muaj zog rau ob-theem siv. Txoj kev sib txuas series feem ntau yog siv nyob rau hauv lub sijhawm uas lub cev muaj zog yog qhov siab, thiab cov zis tam sim no ntawm tus neeg tsav tsheb yuav tsum yog 0.7 npaug ntawm theem tam sim no ntawm lub cev muaj zog, yog li lub tshuab cua sov me me; txoj kev sib txuas ua ke feem ntau yog siv nyob rau hauv lub sijhawm uas lub cev muaj zog ceev yog qhov siab (tseem hu ua txoj kev sib txuas ceev), thiab cov zis tam sim no ntawm tus neeg tsav tsheb yuav tsum yog 1.4 npaug ntawm theem tam sim no ntawm lub cev muaj zog, yog li lub tshuab cua sov yog loj.
12. Yuav ua li cas txiav txim siab tus tsav tsheb stepper DC fais fab mov?
A. Kev txiav txim siab ntawm qhov voltage
Hybrid stepper lub cev muaj zog tsav tsheb fais fab mov voltage feem ntau yog ntau yam (xws li IM483 fais fab mov voltage ntawm 12 ~ 48VDC), lub hwj chim mov voltage feem ntau yog xaiv raws li lub cev muaj zog kev khiav hauj lwm ceev thiab cov lus teb yuav tsum tau. Yog hais tias lub cev muaj zog ua hauj lwm ceev yog siab los yog cov lus teb yuav tsum tau ceev, ces tus nqi voltage kuj yog siab, tab sis xyuam xim rau lub ripple ntawm lub hwj chim mov voltage tsis tau tshaj lub siab tshaj plaws input voltage ntawm tus neeg tsav tsheb, txwv tsis pub tus tsav tsheb yuav puas.
B. Kev txiav txim siab tam sim no
Lub hwj huam mov tam sim no feem ntau txiav txim siab raws li cov zis theem tam sim no I ntawm tus neeg tsav tsheb. Yog tias siv cov khoom siv hluav taws xob linear, cov khoom siv hluav taws xob tam sim no tuaj yeem yog 1.1 txog 1.3 npaug ntawm I. Yog tias siv lub zog hloov hluav taws xob, qhov hluav taws xob tam sim no tuaj yeem yog 1.5 txog 2.0 npaug ntawm I.
13. Raws li qhov xwm txheej twg yog lub teeb liab offline DAWB ntawm hybrid stepping motor tsav feem ntau siv?
Thaum lub teeb liab offline DAWB tsawg, cov zis tam sim no los ntawm tus tsav tsheb mus rau lub cev muaj zog raug txiav tawm thiab lub cev muaj zog rotor nyob hauv lub xeev dawb (offline xeev). Hauv qee cov khoom siv automation, yog tias koj yuav tsum tau tig lub cav tsav ncaj qha (manually) thaum tsav tsis muaj zog, koj tuaj yeem teeb lub teeb liab DAWB qis kom coj lub cev muaj zog offline thiab ua haujlwm los yog hloov kho. Tom qab kev tuav haujlwm ua tiav, teeb tsa DAWB teeb liab siab dua kom tswj tsis siv neeg txuas ntxiv.
14. Dab tsi yog txoj hauv kev yooj yim los kho cov kev taw qhia ntawm kev sib hloov ntawm ob-theem stepping lub cev muaj zog thaum nws muaj zog?
Tsuas yog ua raws A + thiab A- (lossis B + thiab B-) ntawm lub cev muaj zog thiab tsav tsheb.
15. Dab tsi yog qhov txawv ntawm ob-theem thiab tsib-theem hybrid stepper motors rau kev siv?
Lo lus teb:
Feem ntau hais lus, ob-theem lub cev muaj zog nrog cov kauj ruam loj muaj cov yam ntxwv siab ceev, tab sis muaj qhov qis qis qis. Tsib-theem motors muaj lub kaum sab xis me me thiab ua haujlwm zoo ntawm qhov nrawm. Yog li ntawd, nyob rau hauv lub cev muaj zog khiav qhov yuav tsum tau muaj siab, thiab feem ntau nyob rau hauv qis-ceev seem (feem ntau tsawg tshaj li 600 rpm) ntawm lub sij hawm yuav tsum tau siv tsib-theem lub cev muaj zog; ntawm qhov tsis sib xws, yog tias nrhiav kev ua haujlwm siab ntawm lub cev muaj zog, qhov raug thiab du ntawm lub sijhawm uas tsis muaj ntau yam yuav tsum tau xaiv ntawm tus nqi qis ntawm ob-theem motors. Tsis tas li ntawd, lub torque ntawm tsib-theem motors feem ntau yog ntau tshaj 2NM, rau cov ntawv thov torque me, ob-theem motors feem ntau yog siv, thaum qhov teeb meem ntawm qhov qis-ceev smoothness yuav daws tau los ntawm kev siv lub subdivided tsav.
Post lub sij hawm: Sep-12-2024