Sanannen abu ne a fannin injiniya cewa jurewar injina yana da babban tasiri akan daidaito da daidaito ga kowane nau'in na'urar da ake iya tunanin komai da amfaninta. Wannan gaskiyar ita ma gaskiya cestepper Motors. Misali, madaidaicin injin stepper da aka gina yana da matakin juriya na kusan ± 5 kuskure a kowane mataki. Waɗannan kurakurai ne marasa tarawa ta hanya. Yawancin injinan stepper suna motsa digiri 1.8 a kowane mataki, wanda ke haifar da yuwuwar kuskuren kewayon digiri 0.18, kodayake muna magana game da matakai 200 a kowane juyi (duba Hoto 1).
2-Mataki Stepper Motors - GSSD Series
Karamin Mataki don Daidaito
Tare da ma'auni, mara tarawa, daidaito na ±5 bisa dari, hanya ta farko kuma mafi ma'ana don ƙara daidaito shine ƙarar matakin injin. Micro stepping wata hanya ce ta sarrafa matakan motsa jiki wanda ke samun ba kawai ƙuduri mafi girma ba amma motsi mai laushi a ƙananan gudu, wanda zai iya zama babban amfani a wasu aikace-aikace.
Bari mu fara da kusurwar mataki na 1.8-digiri. Wannan kusurwar mataki yana nufin cewa yayin da motar ke raguwa kowane mataki ya zama babban yanki na gaba ɗaya. A hankali da sauri, girman girman matakin yana haifar da cogging a cikin motar. Hanya ɗaya don sauƙaƙa wannan raguwar santsi na aiki a hankali a hankali shine a rage girman kowane matakin mota. Wannan shi ne inda micro stepping ya zama muhimmin madadin.
Ana samun matsananciyar ƙararrawa ta amfani da gyare-gyaren bugun bugun jini (PWM) don sarrafa halin yanzu zuwa iskar motar. Abin da ya faru shi ne cewa direban motar yana ba da igiyoyin wutar lantarki guda biyu zuwa iskar motar, kowannensu yana da digiri 90 daga lokaci tare da ɗayan. Don haka, yayin da halin yanzu yana ƙaruwa a cikin iska ɗaya, yana raguwa a cikin sauran iska don samar da canja wuri a hankali na halin yanzu, wanda ke haifar da motsi mai sauƙi da kuma samar da karfin juyi fiye da wanda zai samu daga daidaitaccen cikakken mataki (ko ma na kowa rabin mataki) sarrafawa. (duba Hoto na 2).
guda-axisstepper motor controller + driver yana aiki
Lokacin yanke shawara akan haɓakar daidaito dangane da sarrafa matakan micro, injiniyoyi suyi la'akari da yadda wannan ke shafar sauran halayen motar. Yayin da santsi na isar da wutar lantarki, motsi mai ƙanƙanta, da rawa za a iya inganta ta amfani da ƙananan matakan, ƙayyadaddun ƙayyadaddun sarrafawa da ƙirar mota suna hana su isa ga ingantattun halayensu gabaɗaya. Sakamakon aikin injin stepper, ƙananan matakan motsa jiki na iya kusantar igiyar ruwa ta gaskiya kawai. Wannan yana nufin cewa wasu juzu'i mai ƙarfi, resonance, da hayaniya za su kasance a cikin tsarin ko da yake kowane ɗayan waɗannan yana raguwa sosai a cikin aikin matakan ƙarami.
Daidaiton Injiniya
Wani gyare-gyare na inji don samun daidaito a cikin motar stepper ɗinku shine amfani da ƙaramin nauyin inertia. Idan an makala motar zuwa babban inertia lokacin da yake ƙoƙarin tsayawa, nauyin zai haifar da ɗan jujjuyawa. Saboda wannan sau da yawa ƙananan kuskure ne, ana iya amfani da mai sarrafa motar don gyara shi.
A ƙarshe, mun koma ga mai sarrafawa. Wannan hanyar na iya ɗaukar ɗan ƙoƙarin injiniya. Domin inganta daidaito, kuna iya amfani da na'urar sarrafawa wanda aka inganta musamman don motar da kuka zaɓa don amfani da ita. Wannan ita ce hanya madaidaiciya don haɗawa. Mafi kyawun ikon mai sarrafawa don sarrafa motar a halin yanzu daidai, ƙarin daidaito za ku iya samu daga injin stepper da kuke amfani da shi. Wannan saboda mai sarrafawa yana daidaita daidai adadin lokacin da iskar motar ke karɓa don fara motsin mataki.
Daidaitaccen tsarin motsi abu ne na gama gari dangane da aikace-aikacen. Fahimtar yadda tsarin stepper ke aiki tare don ƙirƙirar daidaito yana ba injiniya damar yin amfani da fasahohin da ke akwai, gami da waɗanda aka yi amfani da su wajen ƙirƙirar kayan aikin kowane injin.
Lokacin aikawa: Oktoba-19-2023
