Mavuto angapo okhala ndi ma micro stepper motors

1,Kodi ma mota a bipolar ndi unipolar ndi chiyani?

Bipolar Motors:

Ma motors athu a bipolar nthawi zambiri amakhala ndi magawo awiri okha, gawo A ndi gawo B, ndipo gawo lililonse limakhala ndi mawaya awiri otuluka, omwe amakhala ndi mapiritsi osiyana. Palibe kugwirizana pakati pa magawo awiriwa. Ma mota a Bipolar ali ndi mawaya 4 otuluka.

Magalimoto a Unipolar:

Ma motors athu a unipolar nthawi zambiri amakhala ndi magawo anayi. Pamaziko a magawo awiri a ma bipolar motors, mizere iwiri yofanana imawonjezedwa.

Ngati mawaya wamba alumikizidwa palimodzi, mawaya otuluka ndi mawaya asanu.

Ngati mawaya wamba sanalumikizidwe palimodzi, mawaya otuluka ndi mawaya 6.

Injini ya unipolar ili ndi mizere 5 kapena 6 yotuluka.

2,Kodi pazipita ntchito pafupipafupi/maximum kukoka-kunja pafupipafupi?

Kuthamanga kwambiri pafupipafupi/Kuchulukirachulukira kotulutsa

Kuthamanga kothamanga kwambiri, komwe kumadziwikanso kuti ma frequency opitilira muyeso / ma frequency opitilira muyeso, ndikokwera pafupipafupi komwe galimoto imatha kuyendayenda pansi pamtundu wina woyendetsa, voliyumu ndi ovotera pano, osawonjezera katundu.

Chifukwa cha inertia ya rotor, mota yozungulira imafuna torque yocheperako kuti izungulire poyerekeza ndi mota yoyima, motero ma frequency othamanga amakhala akulu kuposa ma frequency oyambira okha.

3,Kodi ma torque ndi ma torque a motor stepper ndi chiyani?

Torque yotulutsa

Torque yotulutsa ndiye torque yayikulu yomwe imatha kuperekedwa popanda kutaya masitepe. Imafika kwake

pazipita pafupipafupi pafupipafupi kapena liwiro, ndipo amachepetsa pamene mafupipafupi akuwonjezeka. Ngati katundu pa

makwerero amoto panthawi yozungulira amawonjezeka kupitirira kukoka kwa torque, injiniyo imagwa

ndipo ntchito yolondola sikutheka.

Kokani mkati

Kukokera-mu torque ndiye torque yayikulu kwambiri yomwe mota imatha kuyendayenda pafupipafupi kuchokera

poyima. Ma stepper sangayambe kuzungulira ndi torque yolemetsa kuposa torque yokoka.

Kokokera mkati ndi kakang'ono kuposa torque yokoka, chifukwa cha inertia ya rotor ya mota.

4,Kodi torque yodziyimira yokha ya stepper motor ndi chiyani?

Detent torque ndi torque yomwe ilipo m'malo osagwirizana chifukwa cholumikizana kwamuyaya

maginito ndi stator mano. Chisokonezo chodziwika bwino kapena kugunda kumatha kumveka pozungulira mozungulira

hand.Generally, galimoto stepper adzataya kalunzanitsidwe pamene kukokera kunja makokedwe ndi kuposa chifukwa

kuchuluka. Ma motors nthawi zambiri amasankhidwa ndikuwunikidwa pogwiritsa ntchito ma torque otulutsa pamwamba pawo

zofunikira pakugwiritsa ntchito kuti mupewe kuwerengera kotayika kapena malo ogulitsira magalimoto.

5,Kodi njira zoyendetsera ma stepper motors ndi ziti?

Kuyendetsa kwa Wave / gawo limodzi kumagwira ntchito ndi gawo limodzi lokha

anayatsidwa nthawi imodzi, yosonyezedwa mbali yakumanja ya fanizolo. Pamene galimotoyo ikupatsa mphamvu mtengo A (mzati wakumwera) womwe ukuwonetsedwa mobiriwira, umakopa kumpoto kwa rotor. Ndiye pamene driveenergizes B ndikuzimitsa A, rotor imazungulira 90 ° ndipo izi zimapitilira pamene galimoto imapatsa mphamvu pamtengo uliwonse panthawi imodzi.

2-2 Phases Driving ili ndi dzina lake chifukwa magawo awiri amakhala nthawi imodzi. Ngati galimotoyo ipatsa mphamvu zonse ziwiri za A ndi B monga mitengo ya kumwera (yomwe ikuwonetsedwa mu zobiriwira), ndiye kuti kumpoto kwa rotor kumakopa onse mofanana ndikugwirizanitsa pakati pa ziwirizo. Pamene kutsatizana kolimbikitsa kumapitilira motere, rotor nthawi zonse imathera kulumikiza pakati pa mitengo iwiri. Kuyendetsa kwa magawo 2-2 sikukhala kokwanira kuposa gawo limodzi, koma kumatulutsa torque yambiri. Iyi ndi njira yoyendetsera yomwe timagwiritsa ntchito nthawi zambiri pamayesero athu, omwe amadziwikanso kuti "full step driving".

Kuyendetsa kwa gawo 1-2 kumatchedwa dalaivala akusintha pakati pa 1-gawo ndi 2-gawo lachisangalalo. Dalaivala amapatsa mphamvu pamtengo A, kenako amapatsa mphamvu zonse ziwiri A ndi B, kenako amapatsa nyonga B, kenako amapatsa mphamvu zonse A ndi B, ndi zina zotero. (Kuwonetsedwa mu gawo lobiriwira kumanja) Kuyendetsa gawo la 1-2 kumapereka kusuntha kwabwinoko. Magawo a 2 akapatsidwa mphamvu, mota imakhala ndi torque yambiri. Nachi chikumbutso: Torque ripple ndiyodetsa nkhawa, chifukwa imatha kuyambitsa kunjenjemera ndi kugwedezeka. Poyerekeza ndi zonse masitepe galimoto / 2-2-gawo galimoto, sitepe ngodya ya 1-2-gawo pagalimoto ndi theka chabe, ndipo zimatengera kawiri masitepe atembenuza wina kusintha , kotero 1-2 gawo galimoto amatchedwanso "theka sitepe yoyendetsa" 1-2 gawo pagalimoto angathenso kuonedwa ngati zofunika kwambiri magawidwe pagalimoto.

6,Momwe mungasankhire mota ya stepper yoyenera?

Kwa kusankha bwino, amenewo

mfundo zoyambira ziyenera kulemekezedwa:

Ntchito yoyamba ndikusankha motor stepper yoyenera kugwiritsa ntchito.

1. Sankhani mota kutengera torque/ liwiro lapamwamba kwambiri lomwe limafunikira pakugwiritsa ntchito (kusankha kutengera vuto lalikulu)

2. Gwiritsani ntchito osachepera 30% malire apangidwe kuchokera pamakokedwe osindikizidwa motsutsana ndi liwiro lopindika (kukokera kunja).

3. Onetsetsani kuti kugwiritsa ntchito sikudzayimitsidwa ndi zochitika zakunja.