Iimoto ze-stepper zihla njani?

Njengomchwephesha wokuqhuba,imoto ye-stepperyenye yeemveliso eziphambili ze-mechatronics, esetyenziswa kakhulu kwiinkqubo ezahlukeneyo zolawulo lwe-automation. Ngophuhliso lwe-microelectronics kunye netekhnoloji yokuvelisa ngokuchanekileyo, imfuno yee-stepper motors iyanda imihla ngemihla, kwaye ii-stepper motors kunye ne-gear transmission mechanism zidityaniswe kwibhokisi yegiya yokunciphisa, kodwa nakwiimeko ezininzi zesicelo ukubona, namhlanje zincinci kwaye wonke umntu kunye ukuqonda olu hlobo lwe-reduction gear transmission mechanism.

 

Iimoto ze-stepper zihla njani?

Imoto yeStepper njengemoto yokuqhuba esetyenziswa kakhulu, esetyenziswa kakhulu, edla ngokusetyenziswa nezixhobo zokunciphisa umbane ukuze kufezekiswe isiphumo esifanelekileyo sokudlulisa; kwaye imoto yeStepper idla ngokusetyenziswa izixhobo kunye neendlela zokunciphisa umbane, ezifana nebhokisi yegiya yokunciphisa umbane, i-encoder, isilawuli, isignali yepulse, njl.

 

Ukuhla kwesantya kwesignali ye-pulse:Isantya sokujikelezisa i-stepper motor, sisekelwe kutshintsho lwesignali ye-pulse yokufaka ukuze itshintshe. Ngokwethiyori, nika umqhubi i-pulse, i-stepper motor ijikeleza i-engile yesinyathelo (ukwahlulahlula i-engile yesinyathelo sokwahlulahlula). Ngokwenyani, ukuba isignali ye-pulse itshintsha ngokukhawuleza kakhulu, i-stepper motor ngenxa yesiphumo sangaphakathi sokudambisa kwamandla ombane angasemva, impendulo yemagnethi phakathi kwe-rotor kunye ne-stator ayizukulandela utshintsho kwisignali yombane, iya kukhokelela ekuvalekeni nasekulahlekeni kwamanyathelo.

 

Ukunciphisa isantya sebhokisi yegiya yokunciphisa:I-stepper motor ixhotyiswe nge-reduce gearbox esetyenziswa kunye, i-stepper motor output high speed, i-torque speed ephantsi, iqhagamshelwe kwi-reduce gearbox, i-gear gear reduce set meshing transmission eyenziwe yi-reduce ratio, i-stepper motor output high speed iya kuncitshiswa, kwaye iphucule i-transmission torque ukuze kufezekiswe isiphumo sokudlulisa esifanelekileyo; isiphumo sokunciphisa sixhomekeke kwi-reduce ratio ye-gearbox, kokukhona i-reduce ratio inkulu, isantya sokukhupha sincinci, kwaye ngokuphambeneyo. Kwaye ngokuphambeneyo.

 

Isantya solawulo lwe-Curve exponential:I-exponential curve, kwi-software programming, ii-time constants ezibalwe kuqala ezigcinwe kwimemori yekhompyutha, zibonisa ukhetho xa usebenza. Ngokwesiqhelo, ukugqitywa kokukhawuleziswa kwe-stepper motor kunye nexesha lokuhla kwesantya se-300ms okanye ngaphezulu. Ukuba usebenzisa ixesha elifutshane kakhulu lokukhawuleziswa kunye nexesha lokuhla kwesantya, uninzi lwee-stepper motors, kuya kuba nzima ukufikelela kujikelezo oluphezulu lwee-stepper motors.

 

Ukuhla kolawulo lwe-encoder:Ulawulo lwe-PID njengendlela yokulawula elula nesebenzayo, kwi-stepper motor drive ifumene ukusetyenziswa okubanzi. Isekelwe kwixabiso elinikiweyo r (t) kunye nexabiso lokwenyani lemveliso c (t) ukwenza ukuphambuka kolawulo e (t), ukuphambuka komlinganiselo, okudibeneyo kunye nokwahlukileyo ngokusebenzisa indibaniselwano ethe tye yobungakanani bolawulo, ulawulo lwezinto zolawulo. Eli phepha lisebenzisa i-integrated position sensor kwi-motor ye-hybrid stepper enezigaba ezimbini kwaye liyila i-PI speed controller ehlengahlengiswa ngokuzenzekelayo ngokusekelwe kwi-position detector kunye ne-vector control, ebonelela ngeempawu zesikhashana ezanelisayo phantsi kweemeko zokusebenza eziguquguqukayo. Ngokusekelwe kwimodeli yemathematika ye-stepper motor, inkqubo yolawulo lwe-PID ye-stepper motor iyilwe kwaye i-PID control algorithm isetyenziselwa ukufumana ubungakanani bolawulo ukulawula intshukumo ye-motor ukuya kwindawo echaziweyo. Okokugqibela, kuqinisekiswa ngokulinganisa ukuba ulawulo luneempawu ezilungileyo zokuphendula eziguqukayo. I-PID controller inezibonelelo zesakhiwo esilula, ukuqina okuphezulu kunye nokuthembeka okuphezulu, kodwa ayinakujongana ngempumelelo nolwazi olungaqinisekanga kwinkqubo.

 

I-Stepper motor inokufaniswa neyiphi i-reducer? Kwiphakheji yokukhetha i-stepper motor kunye ne-gearbox kufuneka unikele ingqalelo kwezo zinto, kwaye loluphi uhlobo lwe-gearbox olunokukhethwa ukuze lusetyenziswe kunye?

 

1. Isizathu sokuba i-stepper motor ibe ne-reducer

 

I-Stepper motor itshintsha i-frequency ye-stator phase current, njengokutshintsha i-input pulse yesekethe ye-stepper motor drive, ukuze ibe yintshukumo yesantya esiphantsi. I-stepper motor yesantya esiphantsi ilinde umyalelo wesinyathelo, i-rotor ikwindawo yokuma, kwi-low-speed stepping, ukuguquguquka kwesantya kuya kuba kukhulu kakhulu, ngeli xesha, njengokutshintsha ukuya kwi-high-speed operation, inokusombulula ingxaki yokuguquguquka kwesantya, kodwa i-torque ayizukwanela. Oko kukuthi, isantya esiphantsi siya kutshintsha ukuguquguquka kwe-torque, kwaye isantya esiphezulu asizukwanela i-torque, imfuneko yokusebenzisa i-reducer.

 

2. Imoto ye-Stepper idla ngokuba ne-reducer

 

I-Reducer luhlobo lwe-gear drive, i-worm drive, i-gear - i-worm drive, evalelwe kwi-casing eqinileyo, idla ngokusetyenziswa njenge-reducer phakathi kwe-prime mover kunye nomatshini wokusebenza, phakathi kwe-prime mover kunye nomatshini wokusebenza okanye i-actuator ukuze ihambelane nesantya kunye nokudluliselwa kwe-torque; i-reducer inoluhlu olubanzi, ngokwendlela yokudluliselwa ingahlulwa ibe yi-gear reducer, i-worm gear reducer kunye ne-planetary gear reducer. Ngokwenani lezigaba zokudluliselwa zingahlulwa zibe yi-single-stage kunye ne-multi-stage reducer; ngokwendlela eyiyo i-gear ingahlulwa ibe yi-cylindrical gear reducer, i-bevel gear reducer kunye ne-bevel-cylindrical gear reducer; ngokwendlela yokulungiselela i-transmission ingahlulwa ibe yi-unfolded reducer, i-shunt reducer kunye ne-coaxial reducer. I-Stepper motor assembly reducers zii-planetary reducer, i-worm gear reducer, i-parallel gear reducer, i-filament gear reducer.

 

 

Kuthekani ngokuchaneka kwe-stepper motor planetary reducer?

 

 

Ukuchaneka kwe-reducer kukwabizwa ngokuba yi-return clearance. Xa isiphelo sesiphumo silungisiwe kwaye isiphelo sokufaka sijikeleziswa ngokwewotshi nangokuchasene newotshi ukuze kuveliswe i-torque elinganisiweyo +-2% torque kwisiphelo sesiphumo, kukho i-angular displacement encinci kwisiphelo se-input se-reducer, kwaye olu tshintsho lwe-angular luyi-return clearance. Iyunithi "yimizuzu ye-arc", oko kukuthi isinye kwishumi elinesithandathu ledigri. Amaxabiso aqhelekileyo e-return clearance abhekisa kwicala le-output le-gearbox. I-Stepper motor planetary reducer inobulukhuni obuphezulu, ukuchaneka okuphezulu (isigaba esinye sinokufikelelwa ngaphakathi komzuzu o-1), ukusebenza kakuhle kwe-transmission (isigaba esinye kwi-97%-98%), umlinganiselo we-torque/volume ophezulu, akukho kugcinwa, njl.

 

Ukuchaneka kokudluliselwa kwe-Stepper motor akulungiseki, i-engile yokubaleka kwe-stepper motor imiselwa ngokupheleleyo bubude benyathelo kunye nenani lee-pulses, kwaye inani lee-pulses linokubalwa ngokupheleleyo, ubungakanani bedijithali abuyongcamango yokuchaneka, inyathelo elinye linyathelo elinye, amanyathelo amabini ngamanyathelo amabini. Ukuchaneka kwangoku okunokulungiswa kukuchaneka kwe-return clearance yegiya ye-planetary gearbox.

 

1. Indlela yokulungisa ukuchaneka kwe-Spindle:Ukulungiswa kokuchaneka kokujikeleza kwebhokisi yegiya yeplanethi, ukuba impazamo yokwenziwa kwespindle ngokwayo iyahlangabezana neemfuno, ukuchaneka kokujikeleza kwespindle yokunciphisa kudla ngokugqitywa yibheriya. Isitshixo sokulungisa ukuchaneka kokujikeleza kwespindle kukulungisa indawo yokubeka ibheriya. Ukugcina indawo yokubeka ibheriya efanelekileyo kubalulekile ekusebenzeni kwezinto zespindle kunye nobomi bokubeka ibheriya. Kwibheriya eqengqelekayo, xa kukho indawo enkulu, akuyi kwenza nje kuphela umthwalo ugxile emzimbeni oqengqelekayo kwicala lamandla, kodwa kuya kuvelisa imeko yoxinzelelo olukhulu kwindawo yokunxibelelana kweringi yangaphakathi neyangaphandle yebheriya, kufinyeze ubomi bokubeka ibheriya, kukwaze kwenze umgca we-spindle ushukume, kube lula ukubangela ukungcangcazela kwamacandelo espinda. Ke ngoko, ukulungiswa kwebheriya eqengqelekayo kufuneka kulayishwe kwangaphambili, Ukuvelisa uphazamiseko oluthile ngaphakathi kwebheriya, ukuze kuveliswe ukuguqulwa okuthile kwe-elastic kunxibelelwano phakathi komzimba oqengqelekayo kunye nendlela yokukhwela iringi yangaphakathi neyangaphandle, ngaloo ndlela kuphuculwe ukuqina kwebheriya.

2. Indlela yokulungisa isithuba:Ibhokisi yegiya yeplanethi kwinkqubo yokuhamba iya kuvelisa ukungqubana, okubangela utshintsho kubungakanani, imilo kunye nomgangatho womphezulu phakathi kwamalungu, kunye nokuguguleka, ukuze umsantsa phakathi kwamalungu unyuke, kufuneka senze uluhlu olufanelekileyo lohlengahlengiso ukuqinisekisa ukuchaneka kwentshukumo enxulumene phakathi kwamalungu.

 

3. Indlela yokulungisa iimpazamo:iindawo ngokwazo ziphosakele ngokusebenzisa indibano efanelekileyo, ukuze isenzeko sokudibanisa izixhobo ngexesha lokuphumla, ukuqinisekisa ukuchaneka kwendlela yokuhamba kwezixhobo.

 

1. Indlela epheleleyo yokuhlawula:isixhobo esifakelwe kunye ne-reducer ngokwayo yokwenza ukucubungula sidluliselwe ngokulungiswa ngokuchanekileyo kwetafile yomsebenzi ukuze kususwe iziphumo ezidibeneyo zokuchaneka kweempazamo.