Ana amfani da motocin Servo azaman masu kunnawa a cikin tsarin sarrafawa don Ma'aikatan CNC don juyar da siginonin lantarki da aka karɓa zuwa matsuguni na kusurwa ko fitowar saurin kusurwa akan mashin motar. Rotor a cikin motar servo shine maganadisu na dindindin. Wutar lantarki ta U/V/W 3 da direba ke sarrafawa ta samar da filin lantarki. Rotor yana juyawa ƙarƙashin aikin wannan filin maganadisu. A lokaci guda, mai rikodin motar yana mayar da siginar zuwa direba, kuma direba yana kwatanta manufa tare da ƙimar amsawa. Ana kwatanta dabi'u, kuma an daidaita kusurwar juyawa na rotor.
Ana tabbatar da daidaiton motar servo ta hanyar daidaitaccen mai rikodin, wato, motar servo kanta tana da aikin aika bugun jini. Zai aika daidai adadin bugun bugun jini a duk lokacin da ya juya kwana ɗaya, ta yadda bugun servo drive da servo motor encoder su samar da amsa. Don haka an rufe madauki iko.
Motar Stepper na'urar motsa jiki ce ta buɗe madauki mai sarrafa siginar bugun jini wanda ke canza siginonin bugun jini zuwa matsuguni na kusurwa ko ƙaura ta layi. A cikin yanayin rashin kiba, saurin motar da matsayi na tsayawa kawai ya dogara ne akan yawan siginar bugun jini da adadin bugun jini, kuma canje-canjen kaya bai shafi su ba.
Lokacin da direban stepper ya karɓi siginar bugun jini, yana motsa motar stepper don jujjuya kafaffen kusurwa a cikin hanyar da aka saita, wanda ake kira "step angle". Mataki na iya sarrafa ƙaurawar kusurwa ta hanyar sarrafa adadin bugun jini, don cimma manufar daidaitawa daidai. Hakanan yana iya sarrafa sauri da saurin jujjuyawar motar ta hanyar sarrafa mitar bugun bugun direban, don cimma manufar babban gudu. Sabili da haka, motar stepper shine iko mai buɗewa.
Bambancin Tsakanin Motocin Stepper Da Servo Motors
Mai kula
Mai sarrafa motar stepper samfurin lantarki ne wanda zai iya aika siginar bugun jini iri ɗaya. Bayan siginar da ta aiko ta shiga cikin direban stepper, direban zai canza shi zuwa sigina mai ƙarfi da ake buƙata da injin stepper don fitar da motar stepper don gudu. Mai kula da motar motsa jiki na iya sarrafa motar stepper daidai don juyawa ta kowane kusurwa. Abin da direba ke karɓa shine siginar bugun jini. A duk lokacin da ya sami bugun bugun jini, direban zai ba wa motar bugun bugun jini don jujjuya motar ta madaidaiciyar kusurwa. Saboda wannan fasalin, ana amfani da injinan stepper sosai a masana'antu daban-daban a yau.
Mai sarrafa motar servo shine mai sarrafawa da ake amfani dashi don sarrafa motar servo. Ayyukansa yayi kama da na mai sauya mitar mai aiki akan injin AC na yau da kullun. Yana da wani ɓangare na tsarin servo kuma ana amfani dashi da yawa a cikin madaidaicin tsarin sakawa. Gabaɗaya, ana sarrafa motar servo ta hanyoyi 3 na matsayi, saurin gudu da juzu'i don cimma daidaitaccen tsarin watsawa. A halin yanzu babban samfuri ne na fasahar watsawa.
Sarrafa Daidaito
Yawancin matakai da bugun injin stepper, mafi girman daidaitonsa. Motar servo ta dogara ne akan ginanniyar encoder. Mafi girman sikelin mai rikodin yana da, mafi girman daidaito.
Hanyar sarrafawa
Ɗayan iko na buɗaɗɗen madauki ne kuma ɗayan yana sarrafa madauki.
Halayen ƙananan mitoci
Motocin Stepper suna da haɗari ga ƙaramar girgizawa a ƙananan gudu. Gabaɗaya, ana amfani da damping ko fasaha na yanki don shawo kan ƙananan girgizar ƙasa, yayin da servo motors ba za su yi rawar jiki a ƙananan gudu ba. Tsarin servo na AC yana da aikin dakatar da resonance, wanda zai iya rufe rashin ƙarfi na na'urar CNC, kuma tsarin yana da aikin nazarin mita (FFT) a cikin tsarin, wanda zai iya gano ma'anar resonance na na'urar CNC don sauƙaƙe tsarin daidaitawa.
Halayen Mitar Torque
Matsakaicin fitarwa na injin stepper zai ragu tare da haɓakar saurin gudu, kuma motar AC servo tana da ƙarfin juzu'i akai-akai.
Loadaukar ƙarfi
Motocin Stepper ba su da ƙarfin yin lodi, yayin da injinan AC suna da ƙarfin yin nauyi mai ƙarfi.
Ayyukan Gudanarwa
The stepper motor rungumi dabi'ar bude-madauki iko. Idan mitar farawa ya yi yawa ko kaya ya yi girma, yana da sauƙi a rasa matakai ko tsayawa. Lokacin da saurin ya yi yawa, yana da sauƙi a wuce gona da iri. Tsarin servo shine sarrafa madauki. Direbobin na iya yin samfurin siginar martani kai tsaye na mai rikodin motsi. An kafa madauki na matsayi da madauki na sauri a ciki. Gabaɗaya, ba za a sami asarar mataki ko overshoot na stepper motor, da kuma kula da yi ya fi dogara.
Ayyukan Amsa Sauri
Yana ɗaukar ɗaruruwan milliseconds don motar stepper don haɓakawa daga tsayawar zuwa saurin aiki, yayin da tsarin AC servo yana da mafi kyawun aikin haɓakawa, gabaɗaya ƴan millise seconds kawai, kuma ana iya amfani dashi cikin yanayin sarrafawa waɗanda ke buƙatar farawa da tsayawa da sauri.
Tsarin AC servo ya fi injin stepper a fannonin aiki da yawa. Koyaya, ana amfani da injinan stepper a matsayin manyan injina a wasu lokuta masu ƙarancin buƙata. Sabili da haka, a cikin tsarin ƙira na tsarin sarrafawa, abubuwa daban-daban kamar buƙatun sarrafawa da farashi ya kamata a yi la'akari da su gabaɗaya, kuma ya kamata a zaɓi injin sarrafawa mai dacewa.
