Kumishini yokuzenzakalela, amathuluzi anembayo, amarobhothi, ngisho namaphrinta we-3D wansuku zonke namadivayisi ahlakaniphile asekhaya, amamotho amancanyana adlala indima ebalulekile ngenxa yokuma kwawo okunembayo, ukulawula okulula, kanye nokusebenza kahle kwezindleko eziphezulu. Kodwa-ke, ubhekene nenqwaba yemikhiqizo emakethe, ungayikhetha kanjani i-micro stepper motor efanelekile yohlelo lwakho lokusebenza? Ukuqonda okujulile kwemingcele yayo ebalulekile kuyisinyathelo sokuqala ekukhethweni okuyimpumelelo. Lesi sihloko sizohlinzeka ngohlaziyo olunemininingwane yalezi zinkomba eziwumgogodla ukukusiza wenze izinqumo ezinolwazi.
1. I-Engeli Yesinyathelo
Incazelo:I-engeli yethiyori yokujikeleza kwe-stepper motor lapho ithola isignali ye-pulse iyinkomba yokunemba ebaluleke kakhulu ye-stepper motor.
Amanani ajwayelekile:Ama-engeli esinyathelo avamile amamotho ajwayelekile ezigaba ezimbili ayi-hybrid micro stepper angu-1.8 ° (izinyathelo ezingu-200 inguquko ngayinye) kanye no-0.9 ° (izinyathelo ezingu-400 inguquko ngayinye). Amamotho anembe kakhudlwana angafinyelela ama-engeli amancane (afana no-0.45 °).
Isixazululo:I-engeli yesinyathelo encane, i-engeli encane yokunyakaza kwesinyathelo esisodwa semoto, kanye nokuphakama kwesinqumo sethiyori esingafinyelelwa.
Ukusebenza okuzinzile: Ngesivinini esifanayo, i-engeli yesinyathelo esincane ngokuvamile isho ukusebenza okushelelayo (ikakhulukazi ngaphansi kwe-micro step drive).
Amaphoyinti okukhetha:Khetha ngokuya ngebanga elincane elidingekayo lokunyakaza noma izidingo zokuma kahle zohlelo lokusebenza. Kuzinhlelo zokusebenza ezinemba okuphezulu ezifana nemishini yokubona nezinsimbi zokulinganisa ukunemba, kuyadingeka ukukhetha ama-engeli amancane wesinyathelo noma uthembele kubuchwepheshe be-micro step drive.
2. Ukubamba iTorque
Incazelo:Itorque emile ephezulu engakhiqizwa injini ngesikhathi esikaliwe futhi isesimweni esinamandla (ngaphandle kokuzungezisa). Iyunithi ivamise ukuba ngu-N · cm noma oz · in.
Ukubaluleka:Lesi yinkomba ewumnyombo yokulinganisa amandla emoto, enquma ukuthi mangakanani amandla angaphandle injini engamelana nawo ngaphandle kokulahlekelwa isinyathelo lapho imile, nokuthi ungakanani umthwalo ongawushayela ngesikhathi iqala/ukuma.
Umthelela:Ihlobene ngqo nosayizi womthwalo kanye nekhono lokusheshisa injini engashayela. I-torque enganele ingaholela ebunzimeni bokuqala, ukulahlekelwa isinyathelo ngesikhathi sokusebenza, ngisho nokuma.
Amaphoyinti okukhetha:Lena enye yemingcele eyinhloko okufanele icatshangelwe lapho ukhetha. Kudingekile ukuqinisekisa ukuthi i-torque yokubamba ye-motor inkulu kune-torque enkulu ye-static edingekayo ngumthwalo, futhi kukhona umkhawulo okwanele wokuphepha (ngokuvamile utuswa ukuba ube ngu-20% -50%). Cabangela izimfuneko zokungqubuzana nokusheshisa.
3. Isigaba samanje
Incazelo:Isilinganiso esiphezulu samanje (imvamisa ivelu ye-RMS) evunyelwe ukudlula esigabeni ngasinye senjini ngaphansi kwezimo zokusebenza ezilinganiselwe. Iyunithi Ampere (A).
Ukubaluleka:Inquma ngokuqondile ubukhulu be-torque engakhiqizwa injini (i-torque icishe ilingane neyamanje) kanye nokukhuphuka kwezinga lokushisa.
Ubudlelwano nedrayivu:kubalulekile! Injini kufanele ifakwe umshayeli onganikeza isigaba samanje esilinganiselwe (noma esingahle silungiswe kulelo nani). Amandla okushayela anganele angabangela ukwehla kwe-torque ye-motor; Umthamo oweqile ungase ushise ukusonga noma kubangele ukushisa ngokweqile.
Amaphoyinti okukhetha:Cacisa ngokucacile i-torque edingekayo yohlelo lokusebenza, khetha injini yencazelo yamanje efanelekile ngokusekelwe ku-torque/ijika lamanje lenjini, futhi ufanise ngokuqinile namandla okukhiphayo amanje omshayeli.
4. Ukumelana nama-winding ngesigaba ngasinye kanye ne-winding inductance ngesigaba ngasinye
Ukumelana (R):
Incazelo:Ukumelana kwe-DC kwesigaba ngasinye sokujika. Iyunithi ingu-ohms (Ω).
Umthelela:Ithinta isidingo sikagesi wokuphakelwa kwamandla komshayeli (ngokomthetho we-Ohm V=I * R) kanye nokulahlekelwa kwethusi (ukukhiqiza ukushisa, ukulahlekelwa kwamandla=I ² * R). Uma kukhulu ukumelana, kuphakama i-voltage edingekayo ngesikhathi esifanayo, futhi kukhulu isizukulwane sokushisa.
I-Inductance (L):
Incazelo:I-inductance yesigaba ngasinye sokujika. Amayunithi ama-millihenries (mH).
Umthelela:ibalulekile ekusebenzeni ngesivinini esikhulu. I-inductance ingavimbela izinguquko ezisheshayo kumanje. Uma i-inductance iba nkulu, i-current inductive ikhuphuka/ehla kancane, inciphisa amandla enjini okufinyelela amandla alinganiselwe ngesivinini esiphezulu, okuholela ekwehleni okukhulu kwetorque ngesivinini esikhulu (ukubola kwetorque).
Amaphoyinti okukhetha:
Ukumelana okuphansi nama-motor inductance aphansi ngokuvamile asebenza kangcono ngesivinini esiphezulu, kodwa angadinga amaza okushayela aphezulu noma ubuchwepheshe bokushayela obuyinkimbinkimbi.
Izinhlelo zokusebenza ezinesivinini esikhulu (ezifana nokukhipha isivinini esikhulu kanye nezisetshenziswa zokuskena) kufanele zibeke phambili amamotho aphansi e-inductance.
Umshayeli udinga ukukwazi ukuhlinzeka ngevoltheji ephezulu ngokwanele (imvamisa izikhathi ezimbalwa i-voltage ethi 'I R') ukuze anqobe i-inductance futhi aqinisekise ukuthi yamanje ikwazi ukusungula ngokushesha ngesivinini esiphezulu.
5. I-Temperature Rise and Insulation Class
Ukukhuphuka kwezinga lokushisa:
Incazelo:Umehluko phakathi kwezinga lokushisa elijikayo kanye nezinga lokushisa le-ambient lenjini ngemva kokufinyelela ukulingana okushisayo kuzimo zokusebenza ezilinganiselwe zamanje nezithize. Iyunithi ℃.
Ukubaluleka:Ukukhuphuka kwezinga lokushisa ngokweqile kungasheshisa ukuguga kwe-insulation, kunciphise ukusebenza kazibuthe, kufinyeze impilo yemoto, futhi kubangele nokungasebenzi kahle.
Izinga le-insulation:
Incazelo:Izinga lezinga lokumelana nokushisa kwezinto zokufaka ama-motor winding (njengezinga B-130 ° C, F-level 155 ° C, H-level 180 ° C).
Ukubaluleka:inquma izinga lokushisa eliphezulu elivumelekile lokusebenza lenjini (izinga lokushisa elizungezile+izinga lokushisa elikhuphukayo+i-hot spot margin ≤ izinga lokushisa lezinga lokushisa).
Amaphoyinti okukhetha:
Qonda izinga lokushisa kwemvelo isicelo.
Linganisa umjikelezo womsebenzi wohlelo lokusebenza (ukusebenza okuqhubekayo noma kwezikhawu).
Khetha izinjini ezinamazinga okushisa aphezulu ngokwanele ukuze uqinisekise ukuthi izinga lokushisa elijikajikayo alidluli umkhawulo ophezulu wezinga lokufakwa ngaphansi kwezimo zokusebenza ezilindelekile kanye nokukhuphuka kwezinga lokushisa. Idizayini enhle yokukhipha ukushisa (njengokufaka amasinki okushisa nokupholisa umoya ngempoqo) inganciphisa ngempumelelo ukukhuphuka kwezinga lokushisa.
6. Usayizi wezimoto kanye nendlela yokufaka
Usayizi:ikakhulukazi ibhekisela kusayizi we-flange (njengamazinga e-NEMA afana ne-NEMA 6, NEMA 8, NEMA 11, NEMA 14, NEMA 17, noma osayizi bemethrikhi njengo-14mm, 20mm, 28mm, 35mm, 42mm) nobude bomzimba benjini. Usayizi uthinta ngokuqondile i-torque ephumayo (imvamisa ubukhulu obukhulu kanye nomzimba omude, i-torque enkulu).
I-NEMA6(14mm):
I-NEMA8(20mm):
I-NEMA11(28mm):
I-NEMA14(35mm):
I-NEMA17(42mm):
Izindlela zokufaka:Izindlela ezivamile zihlanganisa ukufakwa kwe-flange yangaphambili (enezimbobo ezinezintambo), ukufakwa kwekhava yangemuva, ukufakwa kwe-clamp, njll. Idinga ukufaniswa nesakhiwo semishini.
Ububanzi be-shaft nobude be-shaft: Ububanzi nobude besandiso be-shaft yokuphumayo budinga ukulungiswa ukuze kuhlanganiswe noma ukulayisha.
Imibandela yokukhetha:Khetha usayizi omncane ovunyelwe yizingqinamba zesikhala ngenkathi uhlangabezana nezidingo zetorque nokusebenza. Qinisekisa ukuhambisana kwendawo yokubeka imbobo, usayizi weshafti, nesiphetho somthwalo.
7. I-Rotor Inertia
Incazelo:Isikhathi se-inertia ye-motor rotor ngokwayo. Iyunithi ingu-g · cm ².
Umthelela:Ithinta ukusheshisa kanye nesivinini sokuphendula sokunciphisa kwemoto. Uma i-inertia ye-rotor inkulu, isikhathi sokuqala sokuma esidingekayo, futhi siphezulu isidingo samandla okusheshisa wedrayivu.
Amaphoyinti okukhetha:Kuzinhlelo zokusebenza ezidinga ukuma kaningi kokuqala kanye nokusheshisa/ukwehla ngokushesha (njengamarobhothi athatha isivinini esikhulu nendawo, indawo yokusika i-laser), kunconywa ukukhetha izinjini ezine-rotor inertia encane noma uqinisekise ukuthi inani eliphelele le-inertia yokulayisha (inertia+rotor inertia) ingaphakathi kwebanga lokufanisa elinconyiwe lomshayeli (imvamisa kunconywa ukuthi ulayishe inertia-10 idrayivu ye-rotor ephakeme izikhathi ezingu-50 khululeka).
8. Izinga lokunemba
Incazelo:Ngokuyinhloko ibhekisela ekunembeni kwe-engeli yesinyathelo (ukuchezuka phakathi kwe-engeli yesinyathelo yangempela kanye nenani lethiyori) kanye nephutha lokuma elikhulayo. Ivamise ukuvezwa njengephesenti (elifana no-± 5%) noma i-engeli (efana no-± 0.09 °).
Umthelela: Kuthinta ngokuqondile ukunemba okuphelele kokuma ngaphansi kokulawulwa kwe-open-loop. Ukuphuma esinyathelweni (ngenxa yetorque enganele noma ukunyathela ngesivinini esikhulu) kuzokwethula amaphutha amakhulu.
Amaphuzu abalulekile okukhetha: Ukunemba kwemoto okujwayelekile ngokuvamile kungahlangabezana nezidingo ezijwayelekile. Kuzinhlelo zokusebenza ezidinga ukunemba kokuma okuphezulu kakhulu (okufana nemishini yokukhiqiza isemiconductor), amamotho anembe kakhulu (njengangaphakathi ± 3%) kufanele akhethwe futhi angadinga ukulawulwa kweluphu evaliwe noma izifaki khodi zokulungiswa okuphezulu.
Ukucatshangelwa okuphelele, ukufanisa okunembile
Ukukhethwa kwama-micro stepper motors akusekelwe nje kupharamitha eyodwa, kodwa kudinga ukucatshangelwa kabanzi ngokuya ngesimo sakho sohlelo lokusebenza (izici zomthwalo, ijika elinyakazayo, izidingo zokunemba, ibanga lejubane, ukulinganiselwa kwesikhala, izimo zemvelo, isabelomali sezindleko).
1. Cacisa izimfuneko eziyinhloko: I-torque yokulayisha nesivinini yizindawo zokuqala.
2. Ukufanisa amandla omshayeli: Ipharamitha yesigaba samanje, ukumelana, kanye ne-inductance kufanele ihambisane nomshayeli, kubhekwe ngokukhethekile izidingo zokusebenza kwesivinini esikhulu.
3. Naka ukuphathwa kwe-thermal: qinisekisa ukuthi ukukhuphuka kwezinga lokushisa kungaphakathi kwebanga elivumelekile lezinga lokushisa.
4. Cabangela ukulinganiselwa ngokomzimba: Usayizi, indlela yokufaka, kanye nokucaciswa kwe-shaft kumele kuhambisane nesakhiwo somshini.
5. Linganisa ukusebenza okuguquguqukayo: Ukusheshisa okuvamisile kanye nezicelo zokunciphisa isivinini kudinga ukunakwa kwe-rotor inertia.
6. Ukuqinisekisa ukunemba: Qinisekisa ukuthi ukunemba kwe-engeli yesinyathelo kuyahlangabezana yini nezimfuneko zokuma kwe-open-loop.
Ngokuhlolisisa le mingcele ebalulekile, ungakwazi ukusula inkungu futhi uhlonze ngokunembile injini ye-stepper efanelekile kakhulu yephrojekthi, ubeke isisekelo esiqinile sokusebenza okuzinzile, okuphumelelayo, nokunemba kwemishini. Uma ufuna isixazululo esingcono kakhulu semoto sohlelo lokusebenza oluthile, zizwe ukhululekile ukuxhumana nethimba lethu lezobuchwepheshe ukuze uthole izincomo zokukhetha komuntu siqu ngokusekelwe kuzidingo zakho ezinemininingwane! Sihlinzeka ngohlu olugcwele lwamamotho asebenza kahle amancane ama-stepper kanye namashayeli afanayo ukuze ahlangabezane nezidingo ezahlukahlukene kusukela kumishini evamile kuya kwezisetshenziswa ezisezingeni eliphezulu.
Isikhathi sokuthumela: Aug-18-2025