1. Kuyiniinjini ye-stepper?
Ama-stepper motors ahamba ngendlela ehlukile kunezinye izinjini. Ama-DC stepper motors asebenzisa ukunyakaza okungaguquki. Kunamaqembu amaningi e-coil emizimbeni yawo, abizwa ngokuthi "izigaba", angajikeleziswa ngokusebenzisa isigaba ngasinye ngokulandelana. Isinyathelo esisodwa ngesikhathi.
Ngokulawula i-stepper motor ngesilawuli/ikhompyutha, ungabeka ngokunembile ngesivinini esiqondile. Ngenxa yale nzuzo, ama-stepper motor avame ukusetshenziswa kakhulu emishinini edinga ukunyakaza okuqondile.
Ama-stepper motors anobukhulu obuhlukahlukene, izimo kanye nemiklamo. Lesi sihloko sizochaza ngqo ukuthi ungayikhetha kanjani i-stepper motor ngokwezidingo zakho.
2. Yiziphi izinzuzo ze-ama-stepper motors?
A. Ukubeka Indawo- Ngenxa yokuthi ukunyakaza kwama-stepper motors kunembile futhi kuyaphindaphindwa, kungasetshenziswa emikhiqizweni eyahlukahlukene elawulwa ngokunembile, njengokuphrinta kwe-3D, i-CNC, ipulatifomu yekhamera, njll., amanye ama-hard drive nawo asebenzisa i-step Motor ukuze abeke ikhanda lokufunda endaweni efanele.
B. Ukulawula isivinini- izinyathelo eziqondile zisho nokuthi ungakwazi ukulawula ngokunembile ijubane lokujikeleza, okufanele ukwenza izenzo eziqondile noma ukulawula irobhothi
C. Isivinini esiphansi kanye ne-torque ephezulu- Ngokuvamile, ama-motor e-DC ane-torque ephansi ngesivinini esiphansi. Kodwa ama-motor e-stepper ane-torque ephezulu ngesivinini esiphansi, ngakho-ke ayisinqumo esihle sezinhlelo zokusebenza ezisebenza ngesivinini esiphansi ngokunemba okuphezulu.
3. Izinkinga zeinjini ye-stepper :
A. Ukungasebenzi kahle- Ngokungafani nama-motor e-DC, ukusetshenziswa kwama-stepper motors akuhlobene kakhulu nomthwalo. Uma engasebenzi, kusekhona i-current through, ngakho-ke ngokuvamile anezinkinga zokushisa ngokweqile, futhi ukusebenza kahle kuphansi kakhulu.
B. I-Torque ngesivinini esikhulu- ngokuvamile i-torque yemoto ye-stepper ngesivinini esiphezulu iphansi kunejubane eliphansi, amanye ama-motor asengakwazi ukuthola ukusebenza okungcono ngesivinini esiphezulu, kodwa lokhu kudinga ukushayela okungcono ukuze kufezwe lo mphumela.
C. Ayikwazi ukuqapha- ama-stepper motors ajwayelekile awakwazi ukuphendula/ukubona indawo yamanje yemoto, siyibiza ngokuthi "i-open loop", uma udinga ukulawula "i-closed loop", udinga ukufaka i-encoder kanye nomshayeli, ukuze ukwazi ukuqapha/ukulawula ukujikeleza okunembile kwemoto nganoma yisiphi isikhathi, kodwa izindleko ziphezulu kakhulu futhi azifanele imikhiqizo evamile.
Isigaba Semoto Yokunyathela
4. Ukuhlukaniswa kwezinyathelo:
Kunezinhlobo eziningi zama-stepper motors, afanele izimo ezahlukahlukene.
Kodwa-ke, ngaphansi kwezimo ezijwayelekile, ama-motor e-PM kanye nama-motor e-hybrid stepper ngokuvamile asetshenziswa ngaphandle kokucabangela ama-motor eseva azimele.
5. Usayizi wenjini:
Into yokuqala okufanele icatshangelwe lapho ukhetha injini ubukhulu bayo. Ama-stepper motor aqala kuma-miniature motor angu-4mm (asetshenziselwa ukulawula ukunyakaza kwamakhamera kuma-smartphone) kuya kuma-giant motors afana ne-NEMA 57.
Injini ine-torque esebenzayo, le torque inquma ukuthi ingahlangabezana yini nesidingo sakho samandla enjini.
Isibonelo: I-NEMA17 ivame ukusetshenziswa kumaphrinta e-3D kanye nemishini emincane ye-CNC, kanti ama-motor amakhulu e-NEMA asetshenziswa ekukhiqizweni kwezimboni.
I-NEMA17 lapha ibhekisela kububanzi bangaphandle benjini obungamasentimitha angu-17, okungusayizi wesistimu yamasentimitha, obungamasentimitha angu-43 uma buguqulwa bube amasentimitha.
EShayina, ngokuvamile sisebenzisa amasentimitha namamilimitha ukukala ubukhulu, hhayi amasentimitha.
6. Inani lezinyathelo zemoto:
Inani lezinyathelo ngokujikeleza kwemoto ngayinye linquma ukucaca kwayo kanye nokunemba kwayo. Ama-stepper motors anezinyathelo ezisukela ku-4 kuya ku-400 ngokujikeleza. Ngokuvamile kusetshenziswa izinyathelo ezingu-24, 48 kanye no-200.
Ukunemba kuvame ukuchazwa njengezinga lesinyathelo ngasinye. Isibonelo, isinyathelo senjini enezinyathelo ezingu-48 singama-degree angu-7.5.
Kodwa-ke, izinkinga zokunemba okuphezulu yijubane kanye ne-torque. Ngesikhathi esifanayo, ijubane lama-motor anembile kakhulu liphansi.
7. Ibhokisi lamagiya:
Enye indlela yokuthuthukisa ukunemba kanye ne-torque ukusebenzisa i-gearbox.
Isibonelo, ibhokisi lamagiya elingu-32: 1 lingaguqula injini enezinyathelo ezingu-8 ibe yinjini yokunemba enezinyathelo ezingu-256, kuyilapho likhulisa i-torque izikhathi ezingu-8.
Kodwa ijubane lokukhipha lizoncishiswa ngokufanayo libe yingxenye yesishiyagalombili yoqobo.
Injini encane ingaphinde ifinyelele umphumela we-torque ephezulu ngebhokisi lokunciphisa.
8. Umgodi:
Into yokugcina okudingeka uyicabangele ukuthi ungawufanisa kanjani umgodi wokushayela wemoto nokuthi ungawufanisa kanjani nohlelo lwakho lokushayela.
Izinhlobo zemigodi yilezi:
Umgodi oyindilinga/umgodi we-D: Lolu hlobo lomgodi luyi-shaft ephumayo ejwayelekile kakhulu, esetshenziselwa ukuxhuma ama-pulley, amasethi egiya, njll. Umgodi we-D ufaneleka kakhulu kwi-torque ephezulu ukuvimbela ukushelela.
Umgodi wegiya: Umgodi wokukhipha wezinye izinjini uyigiya, elisetshenziselwa ukufanisa uhlelo oluthile lwegiya
Umshini Wokugoba: Injini ene-shaft yesikulufu isetshenziselwa ukwakha i-actuator eqondile, futhi isilayida singangezwa ukuze kufezwe ukulawula okuqondile
Sicela uzizwe ukhululekile ukuxhumana nathi uma unentshisekelo kunoma iyiphi yezimoto zethu ze-stepper.
Isikhathi sokuthunyelwe: Jan-29-2022