1. Lub cav stepper yog dab tsi?
Lub cev muaj zog stepper yog ib qho actuator uas hloov cov hluav taws xob pulses mus rau hauv lub kaum sab xis. Yog hais meej meej, thaum lub cev muaj zog stepper tau txais lub teeb liab pulse, nws tsav lub cev muaj zog stepper kom tig lub kaum sab xis (thiab lub kaum sab xis kauj ruam) mus rau hauv qhov kev taw qhia. Koj tuaj yeem tswj tus naj npawb ntawm cov pulses kom tswj tau qhov kev hloov pauv ntawm lub kaum sab xis, kom ua tiav lub hom phiaj ntawm qhov chaw raug; tib lub sijhawm, koj tuaj yeem tswj tau qhov zaus ntawm cov pulses kom tswj tau qhov ceev thiab kev ua kom nrawm ntawm kev tig lub cev muaj zog, kom ua tiav lub hom phiaj ntawm kev tswj ceev.
2. Muaj hom stepper motors dab tsi?
Muaj peb hom stepping motors: permanent magnet (PM), reactive (VR) thiab hybrid (HB). Permanent magnet stepping feem ntau yog ob-theem, nrog me dua torque thiab ntim, thiab lub kaum sab xis feem ntau yog 7.5 degrees lossis 15 degrees; reactive stepping feem ntau yog peb-theem, nrog loj torque tso zis, thiab lub kaum sab xis feem ntau yog 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 xyoo 1980 tau raug tshem tawm; hybrid stepping txhais tau tias kev sib xyaw ntawm hom hlau nplaum tas mus li thiab qhov zoo ntawm hom tshuaj tiv thaiv. Nws muab faib ua ob-theem thiab tsib-theem: ob-theem stepping kaum sab xis feem ntau yog 1.8 degrees thiab tsib-theem stepping kaum sab xis feem ntau yog 0.72 degrees. Hom stepper motor no yog qhov siv dav tshaj plaws.
3. Lub zog tuav (HOLDING TORQUE) yog dab tsi?
Tuav lub zog (HOLDING TORQUE) yog hais txog lub zog ntawm lub stator uas xauv lub rotor thaum lub cev muaj zog stepper tab sis tsis tig. Nws yog ib qho ntawm cov yam ntxwv tseem ceeb tshaj plaws ntawm lub cev muaj zog stepper, thiab feem ntau lub zog ntawm lub cev muaj zog stepper ntawm qhov ceev qis yog ze rau lub zog tuav. Txij li thaum lub zog tso zis ntawm lub cev muaj zog stepper txuas ntxiv mus nrog kev nce ceev, thiab lub zog tso zis hloov pauv nrog kev nce ceev, lub zog tuav ua ib qho ntawm cov yam ntxwv tseem ceeb tshaj plaws rau kev ntsuas lub cev muaj zog stepper. Piv txwv li, thaum tib neeg hais tias 2N.m stepping motor, nws txhais tau tias lub cev muaj zog stepping nrog lub zog tuav ntawm 2N.m yam tsis muaj cov lus qhia tshwj xeeb.
4. DETENT TORQUE yog dab tsi?
DETENT TORQUE yog lub zog uas lub stator xauv lub rotor thaum lub cev muaj zog stepping tsis muaj zog. DETENT TORQUE tsis tau txhais ua ib txoj hauv kev sib xws hauv Suav teb, uas yooj yim to taub yuam kev; txij li thaum lub rotor ntawm lub cev muaj zog stepping tsis yog cov khoom siv hlau nplaum tas mus li, nws tsis muaj DETENT TORQUE.
5. Lub cev muaj zog stepping muaj qhov precision npaum li cas? Puas yog nws cumulative?
Feem ntau, qhov tseeb ntawm stepper motor yog 3-5% ntawm lub kaum sab xis, thiab nws tsis yog cumulative.
6. Qhov kub npaum li cas raug tso cai rau sab nraud ntawm lub cev muaj zog stepper?
Qhov kub siab ntawm lub cev muaj zog stepping yuav ua rau cov khoom siv sib nqus ntawm lub cev muaj zog demagnetize ua ntej, uas yuav ua rau lub zog poob qis lossis txawm tias tawm ntawm kauj ruam, yog li qhov kub siab tshaj plaws uas tso cai rau sab nraud ntawm lub cev muaj zog yuav tsum nyob ntawm qhov chaw demagnetization ntawm cov khoom siv sib nqus ntawm cov cev muaj zog sib txawv; feem ntau, qhov chaw demagnetization ntawm cov khoom siv sib nqus yog tshaj 130 degrees Celsius, thiab qee qhov ntawm lawv txawm tias txog li ntau dua 200 degrees Celsius, yog li nws yog qhov ib txwm muaj rau sab nraud ntawm lub cev muaj zog stepping kom nyob rau hauv qhov kub ntawm 80-90 degrees Celsius.
7. Vim li cas lub zog ntawm lub stepper motor thiaj li txo qis nrog rau qhov nce ntawm qhov ceev tig?
Thaum lub cev muaj zog stepping tig, qhov inductance ntawm txhua theem ntawm lub cev muaj zog winding yuav tsim lub zog electromotive rov qab; qhov siab dua qhov zaus, qhov loj dua qhov rov qab electromotive zog. Hauv nws qhov kev ua, lub cev muaj zog theem tam sim no txo qis nrog qhov nce ntawm zaus (lossis qhov ceev), uas ua rau txo qis ntawm torque.
8. Vim li cas lub stepper motor thiaj li khiav tau zoo li qub ntawm qhov ceev qis, tab sis yog tias nws siab dua qhov ceev qee yam tsis tuaj yeem pib, thiab nrog lub suab whistling?
Lub cev muaj zog kauj ruam muaj ib qho kev ntsuas kev ua haujlwm: tsis muaj qhov pib zaus, uas yog, lub zaus pulse ntawm lub cev muaj zog kauj ruam tuaj yeem pib ib txwm nyob rau hauv tsis muaj load, yog tias lub zaus pulse siab dua tus nqi no, lub cev muaj zog tsis tuaj yeem pib ib txwm, thiab nws yuav poob kauj ruam lossis thaiv. Yog tias muaj kev thauj khoom, qhov pib zaus yuav tsum qis dua. Yog tias lub cev muaj zog yuav tsum ua tiav kev sib hloov ceev ceev, qhov zaus pulse yuav tsum tau nrawm dua, piv txwv li, qhov pib zaus qis, thiab tom qab ntawd nce mus rau qhov siab zaus xav tau (lub cev muaj zog ceev ntawm qis mus rau siab) ntawm qee qhov kev nrawm.
9. Yuav ua li cas kov yeej qhov kev co thiab suab nrov ntawm ob-theem hybrid stepping motor ntawm qhov ceev qis?
Kev co thiab suab nrov yog qhov tsis zoo ntawm cov stepper motors thaum tig ntawm qhov ceev qis, uas feem ntau tuaj yeem kov yeej los ntawm cov kev pab cuam hauv qab no:
A. Yog tias lub cev muaj zog stepping ua haujlwm hauv thaj chaw resonance, thaj chaw resonance tuaj yeem zam tau los ntawm kev hloov pauv qhov kev sib kis xws li qhov piv txo qis;
B. Txais yuav tus tsav tsheb nrog kev faib ua haujlwm, uas yog txoj kev siv ntau tshaj plaws thiab yooj yim tshaj plaws;
C. Hloov nrog lub cev muaj zog kauj ruam uas muaj lub kaum sab xis me dua, xws li lub cev muaj zog kauj ruam peb theem lossis tsib theem;
D. Hloov mus rau AC servo motors, uas yuav luag kov yeej kev co thiab suab nrov, tab sis tus nqi siab dua;
E. Hauv lub cev muaj zog nrog lub damper sib nqus, kev ua lag luam muaj cov khoom zoo li no, tab sis cov qauv kho tshuab ntawm qhov kev hloov pauv loj dua.
10. Qhov kev faib ua pawg ntawm tus tsav puas sawv cev rau qhov tseeb?
Kev sib txuas ntawm lub cev muaj zog stepper yog ib qho thev naus laus zis damping hluav taws xob (thov saib cov ntaub ntawv tseem ceeb), lub hom phiaj tseem ceeb ntawm qhov no yog kom txo qis lossis tshem tawm qhov kev co qis ntawm lub cev muaj zog stepper, thiab txhim kho qhov tseeb ntawm lub cev muaj zog tsuas yog ib qho haujlwm ntawm cov thev naus laus zis sib txuas. Piv txwv li, rau lub cev muaj zog stepper ob theem nrog lub kaum sab xis ntawm 1.8 °, yog tias tus lej sib txuas ntawm tus tsav tsheb sib txuas tau teeb tsa rau 4, ces qhov kev daws teeb meem ntawm lub cev muaj zog yog 0.45 ° ib lub zog. Seb qhov tseeb ntawm lub cev muaj zog puas tuaj yeem ncav cuag lossis mus txog 0.45 ° kuj nyob ntawm lwm yam xws li qhov tseeb ntawm kev tswj hwm tam sim no ntawm tus tsav tsheb sib txuas. Cov chaw tsim khoom sib txawv ntawm qhov tseeb ntawm subdivided drive yuav txawv heev; qhov loj dua ntawm cov ntsiab lus sib cais qhov nyuaj dua los tswj qhov tseeb.
11. Qhov txawv ntawm kev sib txuas series thiab kev sib txuas parallel ntawm plaub-theem hybrid stepping motor thiab driver yog dab tsi?
Lub cev muaj zog plaub theem sib xyaw ua ke feem ntau yog tsav los ntawm tus tsav tsheb ob theem, yog li ntawd, kev sib txuas tuaj yeem siv ua ke lossis sib txuas ua ke los txuas lub cev muaj zog plaub theem rau hauv ob theem. Txoj kev sib txuas ua ke feem ntau yog siv rau lub sijhawm uas lub cev muaj zog ceev heev, thiab qhov tam sim no ntawm tus tsav tsheb xav tau yog 0.7 npaug ntawm qhov tam sim no ntawm lub cev muaj zog, yog li lub cev muaj zog cua sov me me; txoj kev sib txuas ua ke feem ntau yog siv rau lub sijhawm uas lub cev muaj zog ceev heev (tseem hu ua txoj kev sib txuas ceev ceev), thiab qhov tam sim no ntawm tus tsav tsheb xav tau yog 1.4 npaug ntawm qhov tam sim no ntawm lub cev muaj zog, yog li lub cev muaj zog cua sov loj.
12. Yuav ua li cas thiaj txiav txim siab tau qhov stepper motor driver DC fais fab mov?
A. Kev txiav txim siab ntawm qhov hluav taws xob
Lub zog fais fab ntawm lub hybrid stepper motor driver feem ntau yog ntau yam (xws li IM483 lub zog fais fab ntawm 12 ~ 48VDC), feem ntau lub zog fais fab raug xaiv raws li lub cev muaj zog ua haujlwm ceev thiab cov lus teb uas yuav tsum tau ua. Yog tias lub cev muaj zog ua haujlwm ceev lossis qhov yuav tsum tau ua teb sai, ces tus nqi hluav taws xob kuj siab, tab sis xyuam xim rau qhov ripple ntawm lub zog fais fab voltage tsis pub tshaj qhov siab tshaj plaws ntawm tus tsav tsheb, txwv tsis pub tus tsav tsheb yuav raug puas tsuaj.
B. Kev txiav txim siab ntawm tam sim no
Lub zog fais fab tam sim no feem ntau yog txiav txim siab raws li qhov tso zis theem tam sim no I ntawm tus tsav tsheb. Yog tias siv lub zog fais fab linear, lub zog fais fab tam sim no tuaj yeem yog 1.1 txog 1.3 npaug ntawm kuv. Yog tias siv lub zog hloov pauv, lub zog fais fab tam sim no tuaj yeem yog 1.5 txog 2.0 npaug ntawm kuv.
13. Hauv qab qhov xwm txheej twg feem ntau siv lub teeb liab offline DAWB ntawm tus tsav tsheb hybrid stepping motor?
Thaum lub teeb liab offline FREE qis, qhov tam sim no tso tawm los ntawm tus tsav tsheb mus rau lub cev muaj zog raug txiav tawm thiab lub rotor ntawm lub cev muaj zog nyob rau hauv lub xeev dawb (offline state). Hauv qee cov khoom siv automation, yog tias koj yuav tsum tig lub cev muaj zog ncaj qha (manually) thaum lub tsav tsheb tsis muaj zog, koj tuaj yeem teeb tsa lub teeb liab FREE qis kom coj lub cev muaj zog offline thiab ua haujlwm tes lossis kho. Tom qab ua haujlwm tes tiav, teeb tsa lub teeb liab FREE siab dua kom txuas ntxiv tswj hwm tsis siv neeg.
14. Txoj kev yooj yim los kho qhov kev taw qhia ntawm kev sib hloov ntawm lub cev muaj zog ob theem thaum nws muaj zog yog dab tsi?
Tsuas yog teeb tsa A+ thiab A- (lossis B+ thiab B-) ntawm cov xov hlau ntawm lub cev muaj zog thiab tus tsav tsheb.
15. Qhov txawv ntawm ob-theem thiab tsib-theem hybrid stepper motors rau daim ntawv thov yog dab tsi?
Cov Lus Teb rau Cov Lus Nug:
Feem ntau hais lus, ob-theem motors nrog cov ces kaum loj muaj cov yam ntxwv zoo high-speed, tab sis muaj ib qho kev co qis-speed. Tsib-theem motors muaj lub ces kaum me me thiab khiav du ntawm qhov ceev qis. Yog li ntawd, hauv lub cev muaj zog khiav qhov tseeb qhov yuav tsum tau ua yog siab, thiab feem ntau nyob rau hauv qhov ceev qis (feem ntau tsawg dua 600 rpm) ntawm qhov xwm txheej yuav tsum tau siv tsib-theem motor; ntawm qhov tsis sib xws, yog tias nrhiav kev ua haujlwm siab ceev ntawm lub cev muaj zog, qhov tseeb thiab du ntawm qhov xwm txheej tsis muaj ntau qhov yuav tsum tau ua yuav tsum tau xaiv ntawm ob-theem motors pheej yig dua. Tsis tas li ntawd, lub zog ntawm tsib-theem motors feem ntau yog ntau dua 2NM, rau cov ntawv thov torque me me, ob-theem motors feem ntau siv, thaum qhov teeb meem ntawm kev du qis-speed tuaj yeem daws tau los ntawm kev siv subdivided drive.
Lub sijhawm tshaj tawm: Cuaj hlis-12-2024