1. Kodi stepper motor ndi chiyani?
Ma stepper motor ndi actuator yomwe imatembenuza ma pulse amagetsi kukhala osasunthika. Kunena momveka bwino: woyendetsa stepper akalandira chizindikiro cha pulse, amayendetsa galimoto kuti atembenuze ngodya yokhazikika (ndi sitepe) mu njira yokhazikitsidwa. Mutha kuwongolera kuchuluka kwa ma pulses kuti muwongolere kusamuka kwa angular, kuti mukwaniritse cholinga chokhazikika; nthawi yomweyo, mutha kuwongolera kuchuluka kwa ma pulses kuti muwongolere liwiro komanso kuthamanga kwa kuzungulira kwagalimoto, kuti mukwaniritse cholinga chowongolera liwiro.
2. Kodi ma stepper motors alipo amtundu wanji?
Pali mitundu itatu ya ma stepping motors: maginito okhazikika (PM), reactive (VR) ndi hybrid (HB). Kuponda kwa maginito kosatha nthawi zambiri kumakhala magawo awiri, okhala ndi torque yaing'ono ndi voliyumu, ndipo ngodya yolowera nthawi zambiri imakhala madigiri 7.5 kapena madigiri 15; Kuponda mokhazikika nthawi zambiri kumakhala ndi magawo atatu, komwe kumakhala ndi torque yayikulu, ndipo kolowera nthawi zambiri kumakhala madigiri 1.5, koma phokoso ndi kunjenjemera ndizabwino. Ku Ulaya ndi United States ndi mayiko ena otukuka m'ma 80 anathetsedwa; hybrid stepping amatanthauza chisakanizo cha okhazikika maginito mtundu ndi ubwino wa anachita mtundu. Imagawidwa mu magawo awiri ndi magawo asanu: magawo awiri opondapo ngodya nthawi zambiri amakhala madigiri 1.8 ndipo ngodya ya magawo asanu nthawi zambiri imakhala madigiri 0,72. Mtundu uwu wa stepper motor ndi womwe umagwiritsidwa ntchito kwambiri.
3. Kodi torque yogwira (HOLDING TOQUE) ndi chiyani?
Kugwira torque (HOLDING TORQUE) kumatanthawuza makokedwe a stator kutsekera kozungulira pomwe chowongoleracho chili ndi mphamvu koma osazungulira. Ndi imodzi mwamagawo ofunikira kwambiri a motor stepper, ndipo nthawi zambiri ma torque a stepper motor pa liwiro lotsika amakhala pafupi ndi torque yogwira. Popeza torque yotulutsa ya stepper motor ikupitilira kuwola ndikuthamanga, ndipo mphamvu yotulutsa imasintha ndi liwiro lochulukirapo, torque yogwira imakhala imodzi mwamagawo ofunikira kwambiri pakuyezera mota ya stepper. Mwachitsanzo, anthu akamanena kuti 2N.m stepping motor, amatanthauza chopondapo chokhala ndi torque ya 2N.m popanda malangizo apadera.
4. Kodi DETENT TOQUE ndi chiyani?
DETENT TORQUE ndi torque yomwe stator imatseka rotor pamene galimoto yoyendayo ilibe mphamvu.DETENT TORQUE sichimasuliridwa mofanana ku China, zomwe zimakhala zosavuta kuzimvetsa; popeza rotor ya motor reactive stepping motor sizinthu zamaginito okhazikika, ilibe DETENT TORQUE.
5. Kodi chopondapo chili cholondola bwanji? Kodi ndizowonjezera?
Nthawi zambiri, kulondola kwa mota ya stepper ndi 3-5% ya ngodya yolowera, ndipo sikungowonjezera.
6. Kutentha kochuluka bwanji kumaloledwa kunja kwa stepper motor?
Kutentha kwakukulu kwa ma motor motor kumapangitsa kuti maginito a maginito awonongeke, zomwe zimatsogolera kutsika kwa torque kapena kutuluka, kotero kutentha kwakukulu komwe kumaloledwa kunja kwa galimotoyo kumayenera kudalira malo a demagnetization a maginito amagetsi osiyanasiyana; zambiri, demagnetization mfundo ya zinthu maginito ndi kuposa 130 digiri Celsius, ndipo ena a iwo ngakhale mpaka madigiri 200 Celsius, kotero ndi zachilendo kwathunthu kuti kunja kwa makwerero galimoto kukhala mu kutentha osiyanasiyana 80-90 madigiri Celsius.
7. Chifukwa chiyani torque ya stepper motor imatsika ndikuwonjezeka kwa liwiro lozungulira?
Pamene chopondapo chizungulira, inductance ya gawo lililonse la mafunde agalimoto imapanga mphamvu ya reverse electromotive; kumtunda kwafupipafupi, kumapangitsanso mphamvu ya reverse electromotive. Pansi pakuchita kwake, gawo lamagetsi lamagetsi limachepa ndi kuchuluka kwa ma frequency (kapena liwiro), zomwe zimabweretsa kuchepa kwa torque.
8. N'chifukwa chiyani stepper motor kuthamanga bwinobwino pa liwiro otsika, koma ngati ndi apamwamba kuposa ena liwiro sangakhoze kuyamba, ndi limodzi ndi mluzu phokoso?
Magalimoto oyenda ali ndi gawo laukadaulo: ma frequency oyambira osanyamula katundu, ndiye kuti, kugunda pafupipafupi kwa masitepe kumatha kuyambitsa popanda katundu, ngati kugunda kwafupipafupi kuli kopitilira mtengo, mota siyingayambike bwino, ndipo imatha kutaya masitepe kapena kutsekereza. Pankhani ya katundu, mafupipafupi oyambira ayenera kukhala ochepa. Ngati galimoto kuti tikwaniritse kuthamanga kwambiri kasinthasintha, kugunda pafupipafupi kuyenera kufulumizitsa, mwachitsanzo, mafupipafupi oyambira ndi otsika, ndiyeno amawonjezedwa mpaka kufupipafupi komwe kumafunikira (liwiro lamoto kuchokera kumunsi kupita kumtunda) pa liwiro linalake.
9. Momwe mungagonjetsere kugwedezeka ndi phokoso la magawo awiri amtundu wosakanizidwa wopondapo pa liwiro lotsika?
Kugwedezeka ndi phokoso ndizoyipa zomwe zimatengera ma stepper motors zikamazungulira pa liwiro lotsika, zomwe zimatha kugonjetsedwa ndi mapulogalamu awa:
A. Ngati galimoto yodutsa ikugwira ntchito m'dera la resonance, dera la resonance likhoza kupewedwa mwa kusintha makina opatsirana monga kuchepetsa kuchepetsa;
B. Landirani dalaivala ndi ntchito yogawa magawo, yomwe ndi njira yomwe imagwiritsidwa ntchito kwambiri komanso yosavuta;
C. Bwezerani ndi makwerero a injini yokhala ndi masitepe ang'onoang'ono, monga masitepe atatu kapena asanu;
D. Sinthani ku ma AC servo motors, omwe amatha pafupifupi kugonjetsa kugwedezeka ndi phokoso, koma pamtengo wokwera;
E. Mu shaft yamagalimoto yokhala ndi damper yamagetsi, msika uli ndi zinthu zotere, koma mawonekedwe amakanika akusintha kwakukulu.
10. Kodi kugawanika kwa galimotoyo kumaimira kulondola?
Kutanthauzira kwa Stepper motor kwenikweni ndiukadaulo wamagetsi wamagetsi (chonde onani zolemba zoyenera), cholinga chake chachikulu ndikuchepetsa kapena kuthetsa kugwedezeka kwapang'onopang'ono kwa motor stepper, ndikuwongolera kuyendetsa bwino kwa mota ndi ntchito yamwayi yaukadaulo womasulira. Mwachitsanzo, kwa magawo awiri a ma hybrid stepping motor okhala ndi ngodya ya 1.8 °, ngati nambala yomasulira ya dalaivala wa interpolation iyikidwa ku 4, ndiye kuti kuyendetsa kwa injiniyo ndi 0,45 ° pa kugunda. Kaya kulondola kwa injini kumatha kufika kapena kuyandikira 0.45 ° zimatengeranso zinthu zina monga kulondola kwa kutanthauzira kwapano kwa dalaivala wa interpolation. Opanga osiyanasiyana owongolera ogawanika amatha kukhala osiyana kwambiri; zazikulu zogawanika mfundo zovuta kwambiri kulamulira molondola.
11. Kodi pali kusiyana kotani pakati pa kugwirizana kwa mndandanda ndi kulumikizana kofananira kwa magawo anayi a haibridi poponda motere ndi dalaivala?
Magawo anayi a hybrid stepping motor nthawi zambiri amayendetsedwa ndi dalaivala wa magawo awiri, chifukwa chake, kulumikizanako kungagwiritsidwe ntchito motsatizana kapena njira yolumikizirana yolumikizira magawo anayi kuti agwiritse ntchito magawo awiri. Njira yolumikizira yotsatizana imagwiritsidwa ntchito nthawi zambiri pomwe liwiro lagalimoto limakhala lalitali, ndipo kutulutsa komwe kumafunikira dalaivala ndi nthawi 0,7 ya gawo lapano la injini, motero kutentha kwagalimoto kumakhala kochepa; Njira yolumikizirana yofananira imagwiritsidwa ntchito nthawi zambiri pomwe liwiro la mota limakhala lalitali (lomwe limadziwikanso kuti njira yolumikizira liwilo), ndipo kutulutsa komwe kumafunikira dalaivala ndi nthawi 1.4 ya gawo lapano la injini, motero kutentha kwa injini kumakhala kwakukulu.
12. Kodi kudziwa stepper galimoto dalaivala DC magetsi?
A. Kutsimikiza kwa magetsi
Hybrid stepper motor driver power supply voltage nthawi zambiri imakhala yosiyana (monga IM483 magetsi amagetsi a 12 ~ 48VDC), voteji yamagetsi nthawi zambiri imasankhidwa malinga ndi liwiro lagalimoto ndi zomwe amayankha. Ngati liwiro la galimoto likugwira ntchito kwambiri kapena kuyankha kuli kofulumira, ndiye kuti mtengo wamagetsi ndiwokweranso, koma tcherani khutu ku kuphulika kwa voteji yamagetsi sangapitirire voteji ya dalaivala, apo ayi dalaivala akhoza kuonongeka.
B. Kutsimikiza kwa panopa
Mphamvu zamagetsi nthawi zambiri zimatsimikiziridwa molingana ndi gawo lotulutsa I la dalaivala. Ngati magetsi akugwiritsidwa ntchito, magetsi amatha kukhala 1.1 mpaka 1.3 nthawi za I. Ngati magetsi akugwiritsidwa ntchito, magetsi amatha kukhala 1.5 mpaka 2.0 nthawi za I.
13. Kodi siginecha yapaintaneti YAULERE ya hybrid stepping motor driver imagwiritsidwa ntchito bwanji?
Chizindikiro chapaintaneti cha UFULU chikakhala chochepa, zotulutsa zapano kuchokera kwa dalaivala kupita ku mota zimadulidwa ndipo rotor yamoto imakhala yaulere (yopanda intaneti). Pazida zina zodzichitira zokha, ngati mukuyenera kutembenuza shaft yamoto molunjika (pamanja) pomwe kuyendetsa sikukhala ndi mphamvu, mutha kuyika chizindikiro cha UFULU chotsika kuti muchotse injiniyo ndikuchita ntchito pamanja kapena kusintha. Mukamaliza kugwira ntchito pamanja, ikani chizindikiro cha UFULU pamwambanso kuti mupitilize kudziwongolera.
14. Kodi njira yosavuta yosinthira mozungulira mozungulira motere ya magawo awiri ikakhala yamphamvu ndi iti?
Ingogwirizanitsani A+ ndi A- (kapena B+ ndi B-) a mawaya a injini ndi oyendetsa.
15. Kodi pali kusiyana kotani pakati pa magawo awiri ndi magawo asanu a hybrid stepper motors pakugwiritsa ntchito?
Yankho la Mafunso:
Nthawi zambiri, ma mota a magawo awiri okhala ndi masitepe akulu amakhala ndi mawonekedwe othamanga kwambiri, koma pali malo ogwedera otsika. Ma motors a magawo asanu ali ndi ngodya yaing'ono ndipo amayenda bwino pa liwiro lotsika. Choncho, mu galimoto kuthamanga olondola zofunika ndi mkulu, ndipo makamaka otsika-liwiro gawo (nthawi zambiri zosakwana 600 rpm) pa mwambowu ayenera kugwiritsidwa ntchito zisanu gawo galimoto; m'malo mwake, ngati kufunafuna ntchito yothamanga kwambiri ya injini, kulondola ndi kusalala kwa nthawiyo popanda zofunikira zambiri ziyenera kusankhidwa pamtengo wotsika wa magalimoto awiri. Kuphatikiza apo, makokedwe a ma motors a magawo asanu nthawi zambiri amakhala opitilira 2NM, pama torque ang'onoang'ono, ma motors agawo awiri amagwiritsidwa ntchito, pomwe vuto la kusalala kocheperako limatha kuthetsedwa pogwiritsa ntchito galimoto yogawa.
Nthawi yotumiza: Sep-12-2024