Zehla njani iimotor zestepper?

Njenge actuator,i-motor ye-stepperyenye yeemveliso eziphambili ze-mechatronics, ezisetyenziswa ngokubanzi kwiinkqubo ezahlukeneyo zokulawula ukuzenzekelayo. Ngophuhliso lwe-microelectronics kunye netekhnoloji yokuvelisa echanekileyo, imfuno yeemotor ze-stepper iyanda imihla ngemihla, kwaye iimotor ze-stepper kunye nesixhobo sokuhambisa igiya zidityaniswe kwibhokisi yegiya yokunciphisa, kodwa nakwiimeko ezingakumbi zesicelo ukubona, namhlanje encinci kwaye wonke umntu kunye ukuba aqonde olu hlobo lokunciphisa indlela yokuhambisa igiya.

 

Zehla njani iimotor zestepper?

I-Stepper motor njengesiqhelo esetyenziswayo, esetyenziswa ngokubanzi kwi-drive motor, edla ngokusetyenziswa kunye nezixhobo zokuthoba ukufezekisa isiphumo esifanelekileyo sothumelo; kunye ne-stepper motor edla ngokusetyenziswa izixhobo kunye neendlela zokuthoba, ezinje ngebhokisi yegiya yokunciphisa, i-encoder, isilawuli, isiginali ye-pulse, njl.

 

Ukunciphisa umqondiso we-Pulse:isantya sokujikeleza kwe-stepper motor, sisekwe kutshintsho lwesiginali ye-pulse igalelo lokutshintsha. Kwithiyori, unike umqhubi i-pulse, i-motor stepper ijikeleza i-angle yesinyathelo (i-subdivision ye-subdivision step angle). Ngokuziqhelanisa, ukuba isignali ye-pulse itshintsha ngokukhawuleza, i-motor stepper ngenxa yempembelelo yangaphakathi yokudambisa amandla ombane angasemva, impendulo yamagnetic phakathi kwe-rotor kunye ne-stator ayiyi kulandela utshintsho kwisignali yombane, iya kukhokelela ekuthinteleni kunye namanyathelo alahlekileyo.

 

Ukunciphisa i-gearbox yokunciphisa:I-stepper motor ene-gearbox yokunciphisa esetyenziswa kunye, i-stepper motor iphuma ngesantya esiphezulu, isantya esisezantsi se-torque, eqhagamshelwe kwibhokisi yegiya yokunciphisa, i-gearbox yangaphakathi yokunciphisa igiya iseti yokuhanjiswa kwe-meshing eyenziwe ngumyinge wokunciphisa, isantya esiphezulu semoto siya kuncitshiswa, kwaye siphucule itorque yokuhambisa ukufezekisa isiphumo esifanelekileyo sothumelo; isiphumo sokunciphisa sixhomekeke kumlinganiselo wokunciphisa ibhokisi yegiya, kokukhona umyinge wokunciphisa, umncinci isantya sokuphuma, kunye nokunye. Kwaye ngokuchaseneyo.

 

Isantya sokulawula iCwave exponential:igophe elibonisayo, kwiprogramu yesoftware, kubalwa kuqala ixesha elingaguqukiyo eligcinwe kwimemori yekhompyuter, lalatha kukhetho xa usebenza. Ngokuqhelekileyo, ukugqitywa kwesantya se-stepper motor kunye nexesha lokunciphisa i-300ms okanye ngaphezulu. Ukuba usebenzisa isantya esifutshane kakhulu kunye nexesha lokunciphisa, kuninzi lweemotor ezinyathelayo, kuya kuba nzima ukufikelela kwisantya esiphezulu sokujikeleza kweemotor.

 

Unciphiso lolawulo lwekhowudi:Ulawulo lwe-PID njengendlela yokulawula elula kunye nesebenzayo, kwi-stepper motor drive ifumene ukusetyenziswa okubanzi. Isekelwe kwixabiso elinikiweyo r ( t ) kunye nelona xabiso lemveliso c ( t ) ukwenza ukutenxa kolawulo e ( t ) , ukutenxa komlinganiselo , okudityanisiweyo kunye nokwahlukileyo ngokudibanisa umgca wobungakanani bolawulo , ulawulo lwento yokulawula . Iphepha lisebenzisa i-sensor ye-position edibeneyo kwi-motor-phase hybrid stepper motor kwaye iqulunqa isilawuli se-PI esiguquguqukayo ngokuzenzekelayo ngokusekelwe kwi-detector yesikhundla kunye nolawulo lwe-vector, olubonelela ngeempawu zexeshana ezanelisayo phantsi kweemeko zokusebenza eziguquguqukayo. Ngokusekwe kwimodeli yeemathematika yemoto enyathelayo, inkqubo yokulawula i-PID ye-stepper motor iyilwe kwaye i-algorithm yokulawula i-PID isetyenziselwa ukufumana ubungakanani bolawulo lokulawula ukunyakaza kwemoto kwindawo echaziweyo. Ekugqibeleni, kuqinisekiswa ngokulinganisa ukuba ulawulo luneempawu ezintle zokuphendula eziguqukayo. Umlawuli we-PID uneenzuzo zesakhiwo esilula, ukuqina okuphezulu kunye nokuthembeka okuphezulu, kodwa akakwazi ukujongana ngokuphumelelayo nolwazi olungaqinisekanga kwinkqubo.

 

Injini yeStepper inokudityaniswa neyiphi i-reducer? Kwi-stepper motor kunye ne-gearbox yokukhetha iphakheji kufuneka ubeke ingqalelo kwezo zinto, kwaye luhlobo luni lwebhokisi yegiya enokukhethwa ukuba isetyenziswe kunye?

 

1. Isizathu se-stepper motor ene-reducer

 

I-Stepper motor switch frequency of the stator phase yangoku, njengokutshintsha i-pulse yegalelo le-stepper motor drive circuit, ukuze ibe yintshukumo enesantya esiphantsi. Injini enesantya esisezantsi ekulindeni umyalelo wokunyathela, i-rotor ikwindawo yokumisa, kwisantya esisezantsi, ukuguquguquka kwesantya kuya kuba kukhulu kakhulu, ngeli xesha, njengokutshintshela ekusebenzeni ngesantya esiphezulu, inokusombulula ingxaki yokuguquguquka kwesantya, kodwa i-torque iya kuba yanele. Oko kukuthi, isantya esiphantsi siya kuguquguquka kwetorque, kwaye isantya esiphezulu siya kuba netorque eyaneleyo, isidingo sokusebenzisa isinciphisi.

 

2. Stepper motor rhoqo nge reducer yintoni

 

I-Reducer luhlobo lwe-gear drive, i-worm drive, i-gear-worm drive, evalelwe kwi-casing eqinile, isoloko isetyenziswa njenge-miniderer phakathi kwe-prime mover kunye nomatshini womsebenzi, phakathi kwe-prime mover kunye nomatshini womsebenzi okanye i-actuator ukufanisa isantya kunye nokuhanjiswa kwe-torque; i-reducer inoluhlu olubanzi, ngokohlobo losasazo lunokwahlulwa lube yi-gear reducer, i-worm gear reducer kunye ne-planetary gear reducer. Ngokwenani lezigaba zothumelo zinokwahlulwa zibe yinqanaba elinye kunye nenqanaba le-multi-stage reducer; ngokwemilo yegiya inokwahlulwa ibe yi-cylindrical gear reducer, i-bevel gear reducer kunye ne-bevel-cylindrical gear reducer; ngokwefomu yolungiselelo lothumelo lunokwahlulwa lube yi-miniderer evuliweyo, i-shunt reducer kunye ne-coaxial reducer. Isinciphisi sendibano yeStepper motor sisinciphisi seplanethi, isinciphisi segiya yeentshulube, isinciphisi segiya esihambelanayo, isinciphisi segiya yefilament.

 

 

Kuthekani ngokuchaneka kokunciphisa iplanethi ye-stepper motor?

 

 

Ukuchaneka kokunciphisa kubizwa ngokuba yi-return clearance. Xa isiphelo sesiphumo silungisiwe kwaye isiphelo segalelo sijikelezwa nge-clockwise kunye ne-counterclockwise ukuvelisa i-torque elinganisiweyo + -2% i-torque ekupheleni kokuphuma, kukho ukukhutshwa kwe-angular encinci ekupheleni kwegalelo lokunciphisa, kwaye oku kuchithwa kwe-angular kukubuyisela ukubuyiswa. Iyunithi "yimizuzu ye-arc", okt isinye kwishumi elinesithandathu lesidanga. Amaxabiso aqhelekileyo okubuya abhekiselele kwicala lemveliso yebhokisi yegiya. I-Stepper motor planetary reducer ine-rigidity ephezulu, ukuchaneka okuphezulu (isigaba esisodwa sinokufezekiswa kwimizuzu eyi-1), ukuhanjiswa okuphezulu (inqanaba elinye kwi-97% -98%), umlinganiselo ophezulu we-torque / umthamo, ukugcinwa kwe-free, njl.

 

Ukuchaneka kwe-Stepper motor transmission ayilungelelanisi, i-stepper motor egijimayo i-angle imiselwe ngokupheleleyo ubude besinyathelo kunye nenani lee-pulses, kunye nenani le-pulses linokuba lubalo olupheleleyo, ubuninzi bedijithali ayisiyo ingcamango yokuchaneka, inyathelo elinye linyathelo elinye, amanyathelo amabini ngamanyathelo amabini. Ukuchaneka kwangoku okunokuphuculwa kukuchaneka kokukhutshwa kwegiya kwibhokisi yeplanethi.

 

1. Indlela yokulungelelanisa ukuchaneka kwe-Spindle:Uhlengahlengiso lwebhokisi yegiya yegiya yeplanethi ukuchaneka okujikelezayo, ukuba impazamo yobuchwephesha be-spindle ngokwayo ihlangabezana neemfuno, ke ukuchaneka okujikelezayo kwe-spindle yokunciphisa kumiselwa ngokubanzi kukuthwala. Isitshixo sokulungelelanisa ukuchaneka kokujikeleza kwe-spindle kukulungelelanisa ukuchithwa kwe-bearing clearance. Ukugcina indawo efanelekileyo yokuchaneka kubalulekile ekusebenzeni kwamalungu e-spindle kunye nobomi bokuzala. Ukuthwala ukuqengqeleka, xa kukho indawo enkulu yokucima, ayizukwenza kuphela umthwalo ugxininiswe kumzimba oqengqelekayo kwicala lamandla, kodwa ikwavelise isenzeko soxinizelelo esinzulu kunxibelelwano lomsesane wangaphakathi nangaphandle, kunciphisa ubomi bokuzala, yenze ukuba i-spindle centerline drift, kube lula ukubangela ukungcangcazela kwamalungu okuphotha. Ngoko ke, ukulungelelaniswa kwe-rolling bearing kufuneka kulayishwe kwangaphambili, Ukuvelisa inani elithile lokuphazamiseka ngaphakathi kwi-bearing, ukwenzela ukuvelisa i-deformation ethile ye-elastic kwi-contact phakathi komzimba ojikelezayo kunye ne-raceway yangaphakathi nangaphandle, ngaloo ndlela kuphuculwe ukuqina kobunzima.

2. Uhlengahlengiso lwendlela yesikhewu:Ibhokisi yegiya yeplanethi kwinkqubo yokushukuma iya kuvelisa ukungqubana, okubangela utshintsho kubungakanani, imilo kunye nomgangatho womphezulu phakathi kwamalungu, kunye nokunxiba, ukuze umsantsa phakathi kwamalungu anyuswe, kufuneka senze uluhlu olufanelekileyo lohlengahlengiso ukuqinisekisa ukuchaneka kwentshukumo ehambelanayo phakathi kwamalungu.

 

3. Indlela yembuyekezo yempazamo:iinxalenye ngokwazo impazamo ngokusebenzisa indibano efanelekileyo, ukuze isenzeko of mutual offset ngexesha lekhefu-in, ukuqinisekisa ukuchaneka isixhobo intshukumo trajectory.

 

1. Indlela yembuyekezo ebanzi:isixhobo esifakwe kunye ne-reducer ngokwayo ukwenza i-processing idluliselwe ngokulungiswa okuchanekileyo kwetafile yomsebenzi ukuphelisa iziphumo ezidibeneyo zokuchaneka kweempazamo.