1. Chii chinonzi mota yestepper?
Mota yestepper iactuator inoshandura mapulse emagetsi kuita angular displacement. Kuti zvive pachena: kana stepper driver agamuchira chiratidzo chepulse, inotyaira mota yestepper kuti itenderedze angle yakatarwa (uye step angle) munzira yakatarwa. Unogona kudzora huwandu hwemapulse kuti udzore angular displacement, kuitira kuti uwane chinangwa chekuisa nzvimbo chaiyo; panguva imwe chete, unogona kudzora frequency yemapulse kuti udzore kumhanya uye kukurumidza kwemota kutenderera, kuitira kuti uwane chinangwa chekudzora kumhanya.
2. Ndeapi marudzi emota dzestepper dziripo?
Kune mhando nhatu dzemamota ematanho: permanent magnet (PM), reactive (VR) uye hybrid (HB). Permanent magnet stepping inowanzo kuve nematanho maviri, ine torque diki uye volume, uye stepping angle inowanzove 7.5 degrees kana 15 degrees; reactive stepping inowanzove yematanho matatu, ine torque yakakura inobuda, uye stepping angle inowanzove 1.5 degrees, asi ruzha nekudengenyeka zvakanaka. MuEurope nemuUnited States nedzimwe nyika dzakabudirira muma1980 zvakabviswa; hybrid stepping inoreva musanganiswa wepermanent magnet type uye zvakanakira zve reaction type. Yakakamurwa kuita maviri-phase ne mashanu-phase: maviri-phase stepping angle inowanzove 1.8 degrees uye mashanu-phase stepping angle inowanzove 0.72 degrees. Rudzi urwu rwestepper motor ndiyo inonyanya kushandiswa.
3. Chii chinonzi holding torque (HOLDING TORQUE)?
Holding torque (HOLDING TORQUE) zvinoreva torque ye stator inovhara rotor kana mota ye stepper yawedzerwa simba asi isingatenderere. Ndiyo imwe yeparameter dzakakosha dzemota ye stepper, uye kazhinji torque yemota ye stepper nekumhanya kwakaderera inenge iri pedyo ne holding torque. Sezvo output torque yemota ye stepper ichiramba ichiora nekumhanya kuri kuwedzera, uye simba rekubuda richichinja nekumhanya kuri kuwedzera, holding torque inova imwe yeparameter dzakakosha pakuyera mota ye stepper. Semuenzaniso, kana vanhu vachiti 2N.m stepping motor, zvinoreva stepping motor ine torque inobata ye 2N.m isina mirairo yakakosha.
4. Chii chinonzi DETENT TORQUE?
DETENT TORQUE ndiyo torque iyo stator inokiya rotor kana mota yekukwira isina simba. DETENT TORQUE haina kushandurwa nenzira imwechete muChina, izvo zviri nyore kusanzwisiswa; sezvo rotor yemota yekukwira isiri chinhu chinogara chiripo, haina DETENT TORQUE.
5. Chii chinonzi kunyatsoita stepping motor? Inoshanda pamwe chete here?
Kazhinji, kunyatsojeka kwemota yestepper i3-5% yekona yekukwira, uye haisi yekuunganidza.
6. Kupisa kwakadini kunobvumirwa kunze kwemota yestepper?
Kupisa kwakanyanya kwemota inokwira kunotanga nekubvisa magineti mumota, izvo zvinoita kuti torque iderere kana kuti ibude padanho, saka tembiricha yepamusoro inobvumirwa kunze kwemota inofanira kutsamira padanho rekubvisa magineti mumota dzakasiyana; kazhinji, nzvimbo yekubvisa magineti mumota inokwira madhigirii Celsius 130, uye mamwe acho anotosvika madhigirii Celsius anopfuura 200, saka zvakajairika kuti kunze kwemota inokwira kuve patembiricha ye80-90 degrees Celsius.
7. Sei torque yemota yestepper ichidzikira nekuwedzera kwekumhanya kunotenderera?
Kana mota inokwira ichitenderera, inductance yechikamu chimwe nechimwe chekutenderera kwemota inoumba simba remagetsi rinodzokera shure; kana frequency yakakwira, simba remagetsi rinodzokera shure rinokura. Pasi pekushanda kwayo, simba remagetsi rinoderera nekuwedzera kwefrequency (kana kumhanya), izvo zvinotungamira kudzikira kwetorque.
8. Sei mota ye stepper ichigona kumhanya zvakajairika nekumhanya kwakaderera, asi kana iri yepamusoro kupfuura imwe kumhanya haigone kutanga, uye ichiperekedzwa nekurira kwemuridzo?
Mota yekutsika ine parameter yehunyanzvi: frequency yekutanga isina mutoro, kureva kuti, frequency yepulse yemota yekutsika inogona kutanga kazhinji pasina mutoro, kana frequency yepulse yakakwira kupfuura kukosha uku, mota haigone kutanga zvakanaka, uye inogona kurasikirwa nenhanho kana kuvharika. Kana iri mutoro, frequency yekutanga inofanira kunge yakaderera. Kana mota ichida kutenderera nekukurumidza, frequency yepulse inofanira kukurumidziswa, kureva, frequency yekutanga yakaderera, uye yozowedzerwa kusvika pafrequency yaunoda (speed yemota kubva pasi kusvika pakakwirira) pane imwe acceleration.
9. Ungakunda sei kudedera uye ruzha rwemota yemhando mbiri yehybrid stepping inomhanya zvishoma nezvishoma?
Kudedera uye ruzha zvinhu zvakaipa zvinokonzerwa nemamota estepper kana achitenderera nekumhanya kwakaderera, izvo zvinogona kukundwa nezvirongwa zvinotevera:
A. Kana mota yekufambisa ikashanda munzvimbo yeresonance, nzvimbo yeresonance inogona kudzivirirwa nekushandura nzira yekufambisa yakaita sereduction ratio;
B. Shandisa chidhiraivha nechikamu chebasa, inova ndiyo nzira inonyanya kushandiswa uye iri nyore;
C. Tsiva nemota yekukwira ine kona diki yekukwira, senge mota yekukwira ine zvikamu zvitatu kana zvishanu;
D. Chinja kune mamota eAC servo, anogona kukunda zvachose kudedera neruzha, asi pamutengo wakakwira;
E. Mumugodhi wemota une damper yemagineti, musika une zvigadzirwa zvakadaro, asi chimiro chemuchina chekuchinja kukuru.
10. Kupatsanurwa kwedhiraivha kunomiririra kururama here?
Kupindirana kwemota yeStepper inyanzvi yemagetsi inodzikisa simba (ndapota tarisai mabhuku akakodzera), chinangwa chikuru chiri chekudzikisa kana kubvisa kudedera kwemota yestepper, uye kuvandudza kurongeka kwekumhanya kwemota ibasa risingatarisirwi chete retekinoroji yekupindirana. Semuenzaniso, kune mota yematanho maviri ine stepping hybrid ine angle yekukwira ye1.8°, kana nhamba yekupindirana kwemutyairi weinterpolation yakaiswa pa4, ipapo resolution yekumhanya kwemota i0.45° papulse. Kana kurongeka kwemota kuchigona kusvika kana kusvika pa0.45° zvinoenderanawo nezvimwe zvinhu zvakaita sekurongeka kwekudzora kweinterpolation current yemutyairi weinterpolation. Vagadziri vakasiyana ve subdivided drive precision vanogona kusiyana zvakanyanya; kana subdivided points dzakakura, zvinova zvakaoma kudzora kurongeka.
11. Ndeupi musiyano uripo pakati pekubatana kweseji nekubatana kwakafanana kwemota ye hybrid stepping ine phase ina nemutyairi?
Mota ine stepping yemhando yechina inowanzo fambiswa nemutyairi wezvikamu zviviri, saka, kubatana kunogona kushandiswa nenzira yakatevedzana kana yakafanana yekubatanidza kubatanidza mota ine zvikamu zvina mukushandiswa kwezvikamu zviviri. Nzira yekubatanidza yakatevedzana inowanzo shandiswa kana kumhanya kwemota kwakakwira, uye simba remutyairi rinodiwa riri ka0.7 nguva yesimba remutyairi, saka kupisa kwemota kudiki; nzira yekubatanidza yakaenderana inowanzo shandiswa kana kumhanya kwemota kwakakwira (inozivikanwawo senzira yekubatanidza nekukurumidza), uye simba remutyairi rinodiwa ka1.4 nguva yesimba remutyairi, saka kupisa kwemota kwakakura.
12. Ungaziva sei simba remagetsi remutyairi wemotokari yestepper DC?
A. Kuongororwa kwemagetsi
Voltage yemagetsi yeHybrid stepper motor inowanzo kuve yakakura (senge voltage yeIM483 ye12 ~ 48VDC), voltage yemagetsi inowanzo sarudzwa zvichienderana nekumhanya kwemota uye zvinodiwa pakupindura. Kana kumhanya kwemota kuri kwakakwira kana kudiwa kwekupindura kuri nekukurumidza, saka kukosha kwevoltage kwakakwirawo, asi teerera kurira kwevoltage yemagetsi hakugone kudarika voltage yepamusoro yekupinda yemutyairi, zvikasadaro mutyairi anogona kukuvara.
B. Kuziva kwezvino
Simba remagetsi rinowanzo sarudzwa zvichienderana ne output phase current I yemutyairi. Kana linear power supply ikashandiswa, simba remagetsi rinogona kuva 1.1 kusvika 1.3 times yeI. Kana switching power supply ikashandiswa, simba remagetsi rinogona kuva 1.5 kusvika 2.0 times yeI.
13. Chii chinowanzo shandiswa kana chiratidzo che "offline signal" che "hybrid stepping motor driver" chisina kubhurwa?
Kana chiratidzo chemahara chisina kuvhurwa (offline signal FREE) chaderera, simba remagetsi rinobva kumutyairi kuenda kumota rinobviswa uye rotor yemota inenge iri mu free state (offline state). Mune mimwe michina ye automation, kana uchifanirwa kutenderedza mota zvakananga (nemaoko) kana drive isina simba, unogona kuisa chiratidzo cheFREE pasi kuti mota isashande uye woita manual operation kana kugadzirisa. Mushure mekunge mashandiro emaoko apera, isa chiratidzo cheFREE kumusoro zvakare kuti urambe uchidzora otomatiki.
14. Ndeipi nzira iri nyore yekugadzirisa divi rekutenderera kwemota ine maphase maviri kana yawedzerwa simba?
Ingo enzanisa A+ naA- (kana B+ naB-) yewaya yemota nemutyairi.
15. Ndeupi musiyano uripo pakati pemota dzemhando mbiri nedzemhando shanu dzehybrid stepper dzekushandisa?
Mhinduro yeMubvunzo:
Kazhinji, mota dzemaphase maviri dzine makona makuru ematanho dzine hunhu hwakanaka hwekumhanya kwepamusoro, asi kune nzvimbo yekuzunungusa inomhanya zvishoma. Motokari dzemaphase mashanu dzine kona diki yematanho uye dzinomhanya zvakanaka nekumhanya kwakaderera. Saka, mumota, kururama kwezvinodiwa kwakakwira, uye kunyanya muchikamu chekukurumidza kwakaderera (kazhinji pasi pe600 rpm) yechiitiko kunofanirwa kushandiswa mota dzemaphase mashanu; pane zvinopesana, kana kutsvaga kushanda kwemota nekukurumidza, kururamisa uye kugadzikana kwechiitiko pasina zvinodiwa zvakawanda kunofanirwa kusarudzwa nemutengo wakaderera wemota dzemaphase maviri. Pamusoro pezvo, torque yemota dzemaphase mashanu inowanzo kupfuura 2NM, kune mashandisirwo madiki e torque, mota dzemaphase maviri dzinowanzo shandiswa, nepo dambudziko rekugadzikana kwakaderera rinogona kugadziriswa nekushandisa dhiraivha yakakamurwa.
Nguva yekutumira: Gunyana-12-2024