1. Yintoni i-stepper motor?
I-stepper motor yi-actuator eguqula ii-electrical pulses zibe yi-angular displacement. Ukucacisa oku: xa umqhubi we-stepper efumana isignali ye-pulse, iqhuba i-stepper motor ukuba ijikeleze i-engile emiselweyo (kunye ne-engile yesinyathelo) kwicala elimiselweyo. Ungalawula inani lee-pulses ukulawula i-angular displacement, ukuze ufezekise injongo yokuma ngokuchanekileyo; kwangaxeshanye, ungalawula i-frequency ye-pulses ukulawula isantya kunye nokukhawulezisa ukujikeleza kwe-motor, ukuze ufezekise injongo yokulawula isantya.
2. Zeziphi iintlobo zeemoto ze-stepper ezikhoyo?
Kukho iintlobo ezintathu zeemoto zokunyathela: i-permanent magnet (PM), i-reactive (VR) kunye ne-hybrid (HB). I-permanent magnet stepping idla ngokuba yi-two-phase, ene-torque encinci kunye ne-volume, kwaye i-stepping angle idla ngokuba yi-7.5 degrees okanye i-15 degrees; i-reactive stepping idla ngokuba yi-three-phase, ene-torque enkulu, kwaye i-stepping angle idla ngokuba yi-1.5 degrees, kodwa ingxolo kunye nokungcangcazela kukhulu. EYurophu nase-United States nakwamanye amazwe aphuhlileyo ngeminyaka yoo-80 kuye kwasuswa; i-hybrid stepping ibhekisa kumxube wohlobo lwe-permanent magnet kunye neenzuzo zohlobo lwe-reaction. Yahlulwe yangama-two-phase kunye nama-five-phase: i-two-phase stepping angle idla ngokuba yi-1.8 degrees kwaye i-five-phase stepping angle idla ngokuba yi-0.72 degrees. Olu hlobo lwe-stepper motor yeyona isetyenziswa kakhulu.
3. Yintoni i-torque yokubamba (i-HOLDING TORQUE)?
I-torque yokubamba (i-HOLDING TORQUE) ibhekisa kwi-torque ye-stator evala i-rotor xa i-stepper motor inikwe amandla kodwa ingajikelezi. Yenye yezona parameter zibalulekileyo ze-stepper motor, kwaye ngokuqhelekileyo i-torque ye-stepper motor ngesantya esiphantsi isondele kwi-torque yokubamba. Ekubeni i-torque yokuphuma kwe-stepper motor iqhubeka nokubola ngesantya esandayo, kwaye amandla okuphuma ayatshintsha ngesantya esandayo, i-torque yokubamba iba yenye yezona parameter zibalulekileyo zokulinganisa i-stepper motor. Umzekelo, xa abantu besithi i-2N.m stepping motor, kuthetha i-stepping motor ene-torque yokubamba ye-2N.m ngaphandle kwemiyalelo ekhethekileyo.
4. Yintoni i-DETENT TORQUE?
I-DETENT TORQUE yi-torque etshixwa yi-stator xa i-stepping motor ingasebenzi. I-DETENT TORQUE ayiguqulelwa ngendlela efanayo eTshayina, into elula ukuyiqonda; ekubeni i-rotor ye-reactive stepping motor ingeyonto i-magnet material engunaphakade, ayinayo i-DETENT TORQUE.
5. Ithini indlela echaneke ngayo i-stepping motor? Ingaba i-cumulative?
Ngokubanzi, ukuchaneka kwe-stepper motor yi-3-5% ye-engile yokunyathela, kwaye ayiqokeleli.
6. Lingakanani ubushushu obuvumelekileyo ngaphandle kwemoto ye-stepper?
Ubushushu obuphezulu bemoto yokunyathela buqala ngokunciphisa amandla ombane kwimoto, nto leyo eya kukhokelela ekwehleni kwe-torque okanye ekuphumeni kwinqanaba, ngoko ke ubushushu obuphezulu obuvumelekileyo bangaphandle kwemoto buxhomekeke kwinqanaba lokunciphisa amandla ombane kwimoto yezinto ezitsala amandla ombane kwiimoto ezahlukeneyo; ngokubanzi, indawo yokunciphisa amandla ombane kwimoto etsala amandla ombane ingaphezulu kwe-130 degrees Celsius, kwaye ezinye zazo zifikelela kwi-200 degrees Celsius, ngoko ke kuyinto eqhelekileyo ukuba imo etsala amandla ombane ibe kubushushu obuphakathi kwe-80-90 degrees Celsius.
7. Kutheni i-torque ye-stepper motor iyancipha xa isantya esijikelezayo sinyuka?
Xa i-stepping motor ijikeleza, i-inductance yesigaba ngasinye sokujika kwe-motor iya kwenza i-reverse electromotive force; okukhona i-frequency iphezulu, kokukhona i-reverse electromotive force inkulu. Phantsi kwesenzo sayo, i-motor phase current iyancipha ngokwanda kwe-frequency (okanye isantya), nto leyo ekhokelela ekunciphiseni kwe-torque.
8. Kutheni i-stepper motor ikwazi ukusebenza ngesantya esiphantsi, kodwa ukuba iphezulu kunesantya esithile ayikwazi ukuqala, kwaye ihamba nesandi somlozi?
Imoto yokunyathela inepharamitha yobuchwephesha: isantya sokuqala esingathwali mthwalo, oko kukuthi, isantya sokunyathela semoto yokunyathela sinokuqala ngokuqhelekileyo phantsi komthwalo, ukuba isantya sokunyathela siphezulu kuneli xabiso, imoto ayinakuqala ngokuqhelekileyo, kwaye inokulahlekelwa yinyathelo okanye ukuvaleka. Kwimeko yomthwalo, isantya sokuqala kufuneka sibe phantsi. Ukuba imoto iza kufikelela ekujikelezeni ngesantya esiphezulu, isantya sokunyathela kufuneka sikhawuleziswe, oko kukuthi, isantya sokuqala siphantsi, size sinyuswe siye kwisantya esiphezulu esifunekayo (isantya semoto ukusuka ezantsi ukuya phezulu) kwisantya esithile.
9. Ungayoyisa njani intshukumo kunye nengxolo yemoto yokunyathela ye-hybrid enezigaba ezimbini ngesantya esiphantsi?
Ukungcangcazela nengxolo ziingxaki ezikhoyo zeemoto ze-stepper xa zijikeleza ngesantya esiphantsi, nto leyo enokusoyiswa ngokubanzi zezi nkqubo zilandelayo:
A. Ukuba i-stepping motor isebenza kwindawo ye-resonance, indawo ye-resonance inokuthintelwa ngokutshintsha i-mechanical transmission efana ne-reduction ratio;
B. Sebenzisa i-driver nge-division function, eyona ndlela isetyenziswa kakhulu kwaye ilula;
C. Tshintsha nge-stepping motor ene-engile encinci ye-step, njenge-stepping motor enezigaba ezintathu okanye ezintlanu;
D. Tshintshela kwiimoto ze-AC servo, ezinokuthi zoyise ngokupheleleyo ukungcangcazela nengxolo, kodwa ngexabiso eliphezulu;
E. Kwi-shaft yemoto ene-damper yemagnethi, imarike ineemveliso ezinjalo, kodwa ulwakhiwo loomatshini lotshintsho olukhulu.
10. Ngaba ukwahlulwahlulwa kwedrive kubonisa ukuchaneka?
Ukufakelwa kwe-Stepper motor ngokuyintloko bubuchwepheshe bokuxinana nge-elektroniki (nceda ujonge uncwadi olufanelekileyo), injongo ephambili kukunciphisa okanye ukuphelisa ukungcangcazela okuphantsi kwe-stepper motor, kwaye ukuphucula ukuchaneka kokusebenza kwe-motor ngumsebenzi ongalindelekanga wetekhnoloji yokufakelwa. Umzekelo, kwi-motor ye-hybrid stepping ene-engile yokunyathela ye-1.8°, ukuba inani lokufakelwa kwe-interpolation lomqhubi we-interpolation limiselwe kwi-4, isisombululo sokusebenza kwe-motor yi-0.45° nge-pulse nganye. Nokuba ukuchaneka kwe-motor kunokufikelela okanye kusondele kwi-0.45° kukwaxhomekeke kwezinye izinto ezifana nokuchaneka kolawulo lwangoku lwe-interpolation lomqhubi we-interpolation. Abavelisi abahlukeneyo bokuchaneka kwe-subdivided drive banokuhluka kakhulu; okukhona kukhulu amanqaku ahlukeneyo kokukhona kunzima ukulawula ukuchaneka.
11. Yintoni umahluko phakathi koqhagamshelo lwechungechunge kunye noqhagamshelo oluhambelanayo lwemoto yokunyathela ye-hybrid enezigaba ezine kunye nomqhubi?
Imoto yokunyathela ye-hybrid enezigaba ezine idla ngokuqhutywa ngumqhubi wezigaba ezimbini, ngoko ke, uqhagamshelo lungasetyenziswa kwindlela yoqhagamshelo olulandelelanayo okanye oluhambelanayo ukuqhagamshela imotor yezigaba ezine ekusebenziseni izigaba ezimbini. Indlela yoqhagamshelo olulandelelanayo idla ngokusetyenziswa kwiimeko apho isantya semotor siphezulu, kwaye umsinga wokuphuma komqhubi ofunekayo ungamaxesha angama-0.7 omsinga wesigaba semotor, ngoko ke ukufudumeza kwemotor kuncinci; indlela yoqhagamshelo oluhambelanayo idla ngokusetyenziswa kwiimeko apho isantya semotor siphezulu (ekwaziwa ngokuba yindlela yoqhagamshelo olukhawulezileyo), kwaye umsinga wokuphuma komqhubi ofunekayo ungamaxesha ali-1.4 omsinga wesigaba semotor, ngoko ke ukufudumeza kwemotor kukhulu.
12. Ungawufumanisa njani umbane we-DC ohamba nge-stepper motor?
A. Ukugqitywa kombane
I-voltage yombane yomqhubi we-hybrid stepper motor ngokubanzi ibanzi (njenge-voltage yombane ye-IM483 ye-12 ~ 48VDC), i-voltage yombane idla ngokukhethwa ngokwesantya sokusebenza kwemoto kunye neemfuno zokuphendula. Ukuba isantya sokusebenza kwemoto siphezulu okanye imfuneko yokuphendula ikhawuleza, ixabiso le-voltage nalo liphezulu, kodwa qaphela i-ripple ye-voltage yombane ayinakudlula i-voltage ephezulu yokufaka yomqhubi, kungenjalo umqhubi ungonakala.
B. Ukuqinisekiswa kokusetyenziswa kwangoku
Umbane wangoku umiselwa ngokwe-output phase current I yomqhubi. Ukuba kusetyenziswa umbane othe ngqo, umbane wangoku unokuba ngamaxesha ali-1.1 ukuya kwi-1.3 e-I. Ukuba kusetyenziswa umbane otshintshayo, umbane wangoku ungaba ngamaxesha ali-1.5 ukuya kwi-2.0 e-I.
13. Kuphantsi kwaziphi iimeko apho isignali engaxhunyiwe kwi-intanethi simahla yomqhubi we-hybrid stepping motor isetyenziswa ngokubanzi?
Xa isignali engaxhunyiwe kwi-intanethi i-FREE iphantsi, amandla ombane avela kumqhubi ukuya kwi-motor ayanqunyulwa kwaye i-motor rotor ikwimeko ekhululekileyo (imeko engaxhunyiwe kwi-intanethi). Kwezinye izixhobo zokuzenzekela, ukuba kufuneka ujikelezise i-motor shaft ngokuthe ngqo (ngesandla) xa i-drive ingasebenzi, ungabeka isignali ye-FREE esezantsi ukuze imoto ingasebenzi kwaye wenze umsebenzi ngesandla okanye uhlengahlengiso. Emva kokuba umsebenzi ngesandla ugqityiwe, seta isignali ye-FREE phezulu kwakhona ukuze uqhubeke nolawulo oluzenzekelayo.
14. Yeyiphi indlela elula yokulungisa indlela yokujikeleza kwemoto yokunyathela enezigaba ezimbini xa inikwe amandla?
Lungelelanisa nje u-A+ kunye no-A- (okanye u-B+ kunye no-B-) wentambo yemoto kunye nomqhubi.
15. Yintoni umahluko phakathi kweemoto ze-hybrid stepper ezinezigaba ezibini kunye nezinezigaba ezibini zezicelo?
Impendulo yombuzo:
Ngokubanzi, iimoto ezinezigaba ezibini ezinee-engile ezinkulu zenyathelo zineempawu ezilungileyo zesantya esiphezulu, kodwa kukho indawo yokungcangcazela enesantya esiphantsi. Iimoto ezinezigaba ezibini zine-engile encinci yesinyathelo kwaye zisebenza kakuhle ngesantya esiphantsi. Ke ngoko, kwimoto esebenzayo, iimfuno zokuchaneka ziphezulu, kwaye ikakhulu kwicandelo elinesantya esiphantsi (ngokubanzi ngaphantsi kwe-600 rpm) yesiganeko kufuneka kusetyenziswe iimoto ezinezigaba ezibini; ngokuchaseneyo, ukuba ufuna ukusebenza ngesantya esiphezulu kwemoto, ukuchaneka kunye nokuthamba kwesiganeko ngaphandle kweemfuno ezininzi kufuneka kukhethwe ngexabiso eliphantsi leemoto ezinezigaba ezibini. Ukongeza, i-torque yeemoto ezinezigaba ezibini idla ngokuba ngaphezulu kwe-2NM, kwizicelo ze-torque encinci, kusetyenziswa iimoto ezinezigaba ezibini, ngelixa ingxaki yokuthamba kwesantya esiphantsi ingasombululwa ngokusebenzisa i-drive ehlulwe ngokwahlukeneyo.
Ixesha lokuthumela: Septemba-12-2024