1. Menene motar motsa jiki?
Motar stepper shine mai kunnawa wanda ke juyar da bugun wutar lantarki zuwa matsuguni na kusurwa. Don bayyana shi a fili: lokacin da direban stepper ya karɓi siginar bugun jini, yana motsa motar stepper don juya madaidaicin kusurwa (da kusurwar mataki) a cikin hanyar da aka saita. Kuna iya sarrafa adadin bugun jini don sarrafa motsi na angular, don cimma manufar daidaitaccen matsayi; a lokaci guda, zaku iya sarrafa yawan bugun jini don sarrafa saurin da haɓakar jujjuyawar mota, don cimma manufar daidaita saurin gudu.
2. Wadanne nau'ikan injunan motsa jiki ne akwai?
Akwai nau'ikan injin hawa uku: Magnet na dindindin (PM), reactive (VR) da matasan (HB). Tsawon maganadisu na dindindin gabaɗaya kashi biyu ne, tare da ƙaramin ƙarfi da ƙara, kuma kusurwar matakin gabaɗaya digiri 7.5 ko digiri 15; Matsakaicin martani gabaɗaya mataki ne na uku, tare da babban fitarwa mai ƙarfi, kuma kusurwar matakin gabaɗaya digiri 1.5 ne, amma amo da rawar jiki suna da kyau. A Turai da Amurka da sauran kasashen da suka ci gaba a cikin 80s an kawar da su; Matakan mataki yana nufin cakuda nau'in maganadisu na dindindin da fa'idar nau'in amsawa. An kasu kashi biyu da mataki biyar: kusurwar mataki-biyu gabaɗaya digiri ne 1.8 kuma kusurwar mataki mai mataki biyar gabaɗaya digiri 0.72. Irin wannan motar motsa jiki ita ce aka fi amfani da ita.
3. Menene karfin juyi (HOLDING TORQUE)?
Rike karfin juyi (HOLDING TORQUE) yana nufin jujjuyawar stator yana kulle rotor lokacin da injin stepper ya sami kuzari amma ba juyawa ba. Yana daya daga cikin mahimman ma'auni na motar motsa jiki, kuma yawanci karfin juzu'i na motar motsa jiki a ƙananan gudu yana kusa da karfin riƙewa. Tun lokacin da ƙarfin fitarwa na motar motsa jiki ya ci gaba da lalacewa tare da karuwa mai sauri, kuma ikon fitarwa yana canzawa tare da karuwa da sauri, karfin riƙewa ya zama ɗaya daga cikin mahimman sigogi don auna motar stepper. Misali, lokacin da mutane suka ce 2N.m stepping motor, ana nufin motar takun ne mai karfin jujjuyawar 2N.m ba tare da umarni na musamman ba.
4. Menene TASKAR TSARKI?
DETENT TORQUE shine karfin jujjuyawar da stator ke kulle rotor a lokacin da ba'a iya samun kuzari ba. tun da rotor na reactive stepping motor ba abu ne na dindindin na maganadisu ba, bashi da DETENT TORQUE.
5. Menene madaidaicin injin takawa? Yana tarawa?
Gabaɗaya, madaidaicin injin stepper shine 3-5% na kusurwar matakin, kuma ba tarawa bane.
6. Yawan zafin jiki nawa ne aka yarda akan waje na motar stepper?
Babban zafin jiki na motar motsa jiki zai fara lalata kayan magnetic na motar, wanda zai haifar da raguwar juzu'i ko ma daga mataki, don haka matsakaicin zafin jiki da aka ba da izinin waje na motar ya kamata ya dogara da ma'aunin lalata kayan maganadisu na injinan daban-daban; Gabaɗaya, wurin rage maɗaɗɗen kayan maganadisu ya haura digiri 130 a ma'aunin celcius, kuma wasu daga cikinsu ma sun kai sama da digiri 200 a ma'aunin celcius, don haka al'ada ce gaba ɗaya ga na waje na injin ɗin ya kasance a cikin kewayon zafin jiki na digiri 80-90 na ma'aunin celcius.
7. Me yasa karfin jujjuyawar motsi na stepper ya ragu tare da karuwar saurin juyawa?
Lokacin da motar motsa jiki ta juya, inductance na kowane lokaci na jujjuyawar motsi zai haifar da ƙarfin lantarki mai juyawa; mafi girman mitar, mafi girman ƙarfin juzu'i na electromotive. Karkashin aikinsa, yanayin motsi na yanzu yana raguwa tare da haɓaka mitar (ko saurin), wanda ke haifar da raguwar juzu'i.
8. Me ya sa stepper motor iya gudu kullum a low gudu, amma idan shi ne mafi girma fiye da wani gudun ba zai iya fara, da kuma tare da busawa sauti?
Motar mataki tana da ma'aunin fasaha: mitar farawa ba-load ba, wato, mitar bugun motsa jiki na iya farawa kullum ba tare da wani nauyi ba, idan mitar bugun bugun ya fi wannan darajar, motar ba za ta iya farawa kullum ba, kuma yana iya rasa mataki ko tarewa. A cikin yanayin kaya, mitar farawa ya kamata ya zama ƙasa. Idan motar tana son samun jujjuyawar sauri mai girma, yakamata a haɓaka mitar bugun bugun jini, watau mitar farawa tayi ƙasa, sannan ƙara zuwa babban mitar da ake so (gudun motar daga ƙasa zuwa babba) a wani hanzari.
9. Yadda za a shawo kan vibration da amo na biyu-lokaci matasan steping motor a low gudun?
Jijjiga da amo su ne na asali disadvantages na stepper Motors a lokacin da juyawa a low gudun, wanda gaba daya za a iya shawo kan ta da wadannan shirye-shirye:
A. Idan motar motsa jiki ta faru da aiki a cikin resonance yankin, za a iya kauce wa resonance yankin ta hanyar canza na'ura watsawa kamar raguwa rabo;
B. Dauki direba tare da aikin yanki, wanda shine mafi yawan amfani da hanya mafi sauƙi;
C. Maye gurbin motar tako tare da ƙaramin matakin mataki, kamar injin hawa mai hawa uku ko biyar;
D. Canja zuwa AC servo Motors, wanda kusan zai iya shawo kan rawar jiki da amo, amma a farashi mafi girma;
E. A cikin motar motar tare da damper na magnetic, kasuwa yana da irin waɗannan samfurori, amma tsarin injiniya na babban canji.
10. Shin rabe-raben tuƙi yana wakiltar daidaito?
Motar Stepper da gaske fasahar damping ce ta lantarki (da fatan za a koma ga wallafe-wallafen da suka dace), babban maƙasudin shi shine don ragewa ko kawar da ƙaramar girgiza motar stepper, kuma don inganta daidaiton tafiyar da injin aiki ne kawai na kwatsam na fasahar interpolation. Misali, don injin hawa na matakan hawa biyu tare da kusurwar mataki na 1.8 °, idan lambar interpolation direba ta saita zuwa 4, to ƙudurin gudu na injin shine 0.45° kowace bugun jini. Ko daidaiton motar zai iya kaiwa ko kusanci 0.45° shima ya dogara da wasu dalilai kamar daidaitaccen ikon sarrafa direban interpolation na yanzu. Masana'antun daban-daban na ƙayyadaddun ƙayyadaddun ƙayyadaddun tuƙi na iya bambanta sosai; mafi girman maki rabe-raben yana da wahalar sarrafa daidai.
11. Menene bambanci tsakanin jerin haɗin gwiwa da haɗin kai tsaye na injin motsa jiki na matasan matakai huɗu da direba?
Motar matattakala mai hawa huɗu gabaɗaya direban mataki biyu ne ke motsa shi, don haka, ana iya amfani da haɗin a jeri ko hanyar haɗin layi ɗaya don haɗa injin mai hawa huɗu zuwa amfani mai kashi biyu. Ana amfani da hanyar haɗin jerin gabaɗaya a lokatai inda saurin motar ya yi girma sosai, kuma fitarwar halin yanzu na direban da ake buƙata shine sau 0.7 na lokacin halin yanzu na injin, don haka dumama motar ƙarami; Ana amfani da hanyar haɗin kai gabaɗaya a lokuta inda saurin motar ya yi girma (wanda kuma aka sani da hanyar haɗin kai mai sauri), kuma abin da ake buƙata na yanzu na direban shine sau 1.4 na lokacin halin yanzu na motar, don haka dumama motar yana da girma.
12. Yadda za a ƙayyade da stepper motor direba DC samar da wutar lantarki?
A. Ƙaddamar da ƙarfin lantarki
Hybrid stepper motor direban ƙarfin wutar lantarki shine gabaɗaya mai faɗi (kamar IM483 ƙarfin wutar lantarki na 12 ~ 48VDC), ana zaɓin ƙarfin wutar lantarki bisa ga saurin aiki na injin da buƙatun amsa. Idan saurin aiki na motar yana da girma ko buƙatar amsawa yana da sauri, to ƙimar ƙarfin lantarki kuma tana da girma, amma kula da ripple na ƙarfin wutar lantarki ba zai iya wuce matsakaicin ƙarfin shigarwar direba ba, in ba haka ba direba na iya lalacewa.
B. Ƙaddamar da halin yanzu
Ana ƙididdige yawan wutar lantarki na yanzu bisa ga yanayin fitarwa na halin yanzu I na direba. Idan ana amfani da wutar lantarki mai linzamin kwamfuta, wutar lantarki na yanzu na iya zama sau 1.1 zuwa 1.3 na I. Idan ana amfani da wutar lantarki mai sauyawa, wutar lantarki na iya zama sau 1.5 zuwa 2.0 na I.
13. A waɗanne yanayi ne siginar layi na kan layi KYAUTA na direban tuƙi na gaba ɗaya ke amfani da shi?
Lokacin da siginar layi na kan layi KYAUTA ya yi ƙasa, ana yanke fitarwa na yanzu daga direba zuwa motar kuma injin rotor yana cikin yanayi kyauta (jinin layi). A cikin wasu kayan aikin sarrafa kansa, idan ana buƙatar ka jujjuya igiyar motar kai tsaye (da hannu) lokacin da tuƙi ba ta da kuzari, zaku iya saita ƙarancin siginar KYAUTA don ɗaukar motar a layi sannan kuyi aiki da hannu ko daidaitawa. Bayan an gama aikin da hannu, saita siginar KYAUTA kuma don ci gaba da sarrafawa ta atomatik.
14. Wace hanya ce mai sauƙi don daidaita alkiblar jujjuyawar motsin motsi mai hawa biyu lokacin da aka ƙarfafa shi?
Kawai daidaita A+ da A- (ko B+ da B-) na injina da wayoyi na direba.
15. Menene bambanci tsakanin biyu-lokaci da biyar-lokaci matasan stepper Motors ga aikace-aikace?
Amsar Tambaya:
Gabaɗaya magana, injinan hawa biyu tare da manyan kusurwoyi masu girma suna da kyawawan halaye masu saurin sauri, amma akwai yankin girgiza mai ƙarancin sauri. Motoci masu hawa biyar suna da ƙaramin matakin mataki kuma suna tafiya cikin sauƙi a ƙananan gudu. Sabili da haka, a cikin motar da ke gudana daidaitattun buƙatun suna da girma, kuma galibi a cikin sashin ƙananan sauri (yawanci ƙasa da 600 rpm) na lokacin ya kamata a yi amfani da injin mai hawa biyar; akasin haka, idan ana bin babban aikin motar, daidaito da santsi na lokacin ba tare da buƙatun da yawa ba ya kamata a zaɓa a cikin ƙaramin farashi na injina biyu. Bugu da kari, karfin juzu'i na injuna guda biyar yawanci ya fi 2NM, don ƙananan aikace-aikacen juzu'i, ana amfani da injin mai hawa biyu gabaɗaya, yayin da za a iya magance matsalar santsi mai saurin gudu ta hanyar amfani da rabe-rabe.
Lokacin aikawa: Satumba-12-2024