Li-stepper motors li fokotseha joang?

Jwalo ka actuator,enjene ea litepisike e 'ngoe ea lihlahisoa tsa bohlokoa tsa mechatronics, e sebelisoang haholo litsamaisong tse fapaneng tsa taolo ea othomathike. Ka nts'etsopele ea li-microelectronics le theknoloji ea tlhahiso ea ho nepahala, tlhoko ea li-stepper motors e ntse e eketseha letsatsi le letsatsi, 'me li-stepper motors le mokhoa oa phetisetso ea li-gear li kopantsoe lebokoseng la li-gear tse fokotsang, empa hape le maemong a mangata a ts'ebeliso ho bona, kajeno e nyane le e mong le e mong hammoho ho utloisisa mofuta ona oa mokhoa oa phetisetso ea li-gear tse fokotsang.

 

Li-stepper motors li fokotseha joang?

Enjene ea Stepper e sebelisoa haholo e le enjene ea ho khanna e sebelisoang haholo, hangata e sebelisoa le lisebelisoa tsa ho fokotsa lebelo ho fihlela phello e ntle ea phetiso; 'me enjene ea stepper e sebelisa lisebelisoa le mekhoa ea ho fokotsa lebelo, joalo ka lebokose la gear ea ho fokotsa lebelo, encoder, controller, pulse signal, jj.

 

Ho fokotseha ha lets'oao la ho otla ha pelo:Lebelo la ho potoloha ha enjene ea stepper, le ipapisitse le phetoho ea lets'oao la pulse ea ho kenya ho fetoha. Ka khopolo-taba, fa mokhanni pulse, enjene ea stepper e potoloha sekhutlo sa mohato (karohano bakeng sa sekhutlo sa mohato oa karohano). Ha e le hantle, haeba lets'oao la pulse le fetoha kapele haholo, enjene ea stepper ka lebaka la phello ea ka hare ea damping ea matla a motlakase a ka morao, karabelo ea makenete pakeng tsa rotor le stator e ke ke ea latela phetoho ea lets'oao la motlakase, e tla lebisa ho thibeloeng le mehatong e lahlehileng.

 

Ho fokotsa lebelo la lebokose la li-gear la phokotso:Enjene ea stepper e hlomelitsoe ka lebokose la gear la ho fokotsa le sebelisoang hammoho, tlhahiso ea enjene ea stepper lebelo le phahameng, lebelo le tlase la torque, e hokahantsoe le lebokose la gear la ho fokotsa, gearbox ea ka hare ea gearbox e sete ea meshing e entsoeng ke karolelano ea phokotso, tlhahiso ea enjene ea stepper lebelo le phahameng le tla fokotseha, 'me e ntlafatse torque ea phetisetso ho fihlela phello e ntle ea phetisetso; phello ea phokotso e itšetlehile ka karolelano ea phokotso ea lebokose la gear, ha karolelano ea phokotso e le kholoanyane, lebelo la tlhahiso le lenyenyane, le ka lehlakoreng le leng. 'Me ka lehlakoreng le leng.

 

Lebelo la taolo ea exponential ea curve:Moqolo o moholo oa exponential, lenaneong la software, li-constant tsa nako tse baloang pele tse bolokiloeng memoring ea khomphutha, li supa khetho ha e sebetsa. Hangata, ho phethoa ha ho potlaka ha enjene ea stepper le nako ea ho fokotsa lebelo ke 300ms kapa ho feta. Haeba u sebelisa nako e khutšoanyane haholo ea ho potlaka le ho fokotsa lebelo, bakeng sa boholo ba li-enjene tsa stepper, ho tla ba thata ho fihlella potoloho e phahameng ea li-enjene tsa stepper.

 

Ho fokotsa lebelo la taolo ea encoder:Taolo ea PID e le mokhoa o bonolo le o sebetsang oa taolo, ka har'a stepper motor drive e se e sebelisoa haholo. E thehiloe holim'a boleng bo fanoeng r (t) le boleng ba 'nete ba tlhahiso c (t) ho theha kheloho ea taolo e (t), kheloho ea tekanyo e lekanang, e kopaneng le e fapaneng ka motsoako o otlolohileng oa bongata ba taolo, taolo ea ntho ea taolo. Pampiri ena e sebelisa sensor ea boemo bo kopantsoeng ka har'a motor ea stepper ea mekhahlelo e 'meli e kopantsoeng 'me e rala molaoli oa lebelo la PI o fetoloang ka boiketsetso o thehiloeng ho detector ea boemo le taolo ea vector, e fanang ka litšobotsi tse khotsofatsang tsa nakoana tlas'a maemo a ts'ebetso a feto-fetohang. Ho latela mohlala oa lipalo oa motor ea stepper, sistimi ea taolo ea PID ea motor ea stepper e entsoe 'me algorithm ea taolo ea PID e sebelisoa ho fumana bongata ba taolo ho laola motsamao oa motor ho ea boemong bo boletsoeng. Qetellong, ho netefatsoa ka ketsiso hore taolo e na le litšobotsi tse ntle tsa karabelo e matla. Taolo ea PID e na le melemo ea sebopeho se bonolo, matla a phahameng le ts'epo e phahameng, empa e ke ke ea sebetsana ka katleho le tlhaiso-leseling e sa tsitsang tsamaisong.

 

Enjene ea Stepper e ka bapisoa le sesebelisoa sefe sa ho fokotsa lebelo? Sephuthelong sa khetho ea enjene ea stepper le lebokose la li-gearbox ho hlokahala hore u ele hloko lintlha tseo, 'me ke mofuta ofe oa lebokose la li-gear o ka khethoang hore o sebelisoe hammoho?

 

1. Lebaka la enjene ea stepper e nang le reducer

 

Enjene ea Stepper e fetola maqhubu a hona joale ea stator phase, joalo ka ho fetola pulse ea input ea potoloho ea stepper motor drive, e le hore e fetohe motsamao o lebelo le tlase. Enjene ea stepper e lebelo le tlase ha e emetse taelo ea stepper, rotor e emisa, ha e ntse e hata ka lebelo le tlase, liphetoho tsa lebelo li tla ba kholo haholo, ka nako ena, joalo ka ho fetohela ts'ebetsong ea lebelo le phahameng, e ka rarolla bothata ba liphetoho tsa lebelo, empa torque e ke ke ea lekana. Ke hore, liphetoho tsa torque tse lebelo le tlase, 'me lebelo le phahameng le ke ke la lekana, tlhoko ea ho sebelisa sesebelisoa se fokotsang.

 

2. Enjene ea stepper hangata e nang le reducer eng

 

Reducer ke mofuta oa gear drive, worm drive, gear - worm drive, e koetsoeng ka har'a casing e thata, hangata e sebelisoa e le reducer pakeng tsa prime mover le mochini oa mosebetsi, pakeng tsa prime mover le mochini oa mosebetsi kapa actuator ho tsamaisana le lebelo le phetisetso ea torque; reducer e na le mefuta e mengata, ho latela mofuta oa phetisetso, e ka aroloa ka gear reducer, worm gear reducer le planetary gear reducer. Ho latela palo ea mekhahlelo ea phetisetso, e ka aroloa ka single-stage reducer le multi-stage reducer; ho latela sebopeho sa gear, e ka aroloa ka cylindrical gear reducer, bevel gear reducer le bevel-cylindrical gear reducer; ho latela foromo ea phetisetso, e ka aroloa ka unfolded reducer, shunt reducer le coaxial reducer. Stepper motor assembly reducers ke planetary reducer, worm gear reducer, parallel gear reducer, filament gear reducer.

 

 

Ho thoe'ng ka ho nepahala ha stepper motor planetary reducer?

 

 

Ho nepahala ha sethibela-matla ho boetse ho bitsoa sebaka sa ho khutlisa. Ha pheletso ea tlhahiso e tsitsitse 'me pheletso ea ho kenya e potoloha ka oache le ka lehlakoreng le leng ho hlahisa torque e lekantsoeng + -2% torque qetellong ea tlhahiso, ho na le ho falla ho honyenyane ha angular pheletsong ea ho kenya ea sethibela-matla, 'me ho falla hona ha angular ke sebaka sa ho khutlisa. Yuniti ke "metsotso ea arc", ke hore karolo ea mashome a tšeletseng a degree. Litekanyetso tse tloaelehileng tsa ho khutlisa li bua ka lehlakore la tlhahiso la lebokose la li-gear. Sethibela-matla sa polanete sa stepper motor se na le ho tiea ho hoholo, ho nepahala ho hoholo (mokhahlelo o le mong o ka finyelloa ka motsotso o le mong), katleho e phahameng ea phetisetso (mokhahlelo o le mong ka 97%-98%), karolelano e phahameng ea torque/volume, ntle le tlhokomelo, jj.

 

Ho nepahala ha phetiso ea enjene ea Stepper ha ho fetoloe, sekhutlo sa ho matha ha enjene ea stepper se khethoa ka botlalo ke bolelele ba mohato le palo ea li-pulse, 'me palo ea li-pulse e ka ba palo e felletseng, bongata ba dijithale ha se mohopolo oa ho nepahala, mohato o le mong ke mohato o le mong, mehato e 'meli ke mehato e 'meli. Ho nepahala ha hona joale ho ka ntlafatsoang ke ho nepahala ha sebaka sa ho khutla ha gear sa lebokose la li-planetary.

 

1. Mokhoa oa ho lokisa ho nepahala ha lesokoana:tokiso ea ho nepahala ha spindle ea planetary gearbox, haeba phoso ea ho sebetsa ha spindle ka boeona e fihlela litlhoko, ho nepahala ha spindle ea reducer hangata ho khethoa ke bearing. Senotlolo sa ho lokisa ho nepahala ha spindle ke ho lokisa sebaka sa bearing. Ho boloka sebaka se loketseng sa bearing ho bohlokoa bakeng sa ts'ebetso ea likarolo tsa spindle le bophelo ba bearing. Bakeng sa bearing e biling, ha ho na le sebaka se seholo, ha se etse feela hore mojaro o shebane le 'mele o biling ka lehlakoreng la matla, empa hape se tla hlahisa ketsahalo e tebileng ea khatello ea maikutlo khokahanong ea hare le kantle ea bearing, e khutsufatse bophelo ba bearing, hape e etse hore spindle e bohareng e khelohe, e leng se tla baka ho thothomela ha likarolo tsa spindle. Ka hona, tokiso ea bearing e biling e tlameha ho kenngoa esale pele, Ho hlahisa tšitiso e itseng ka hare ho bearing, e le ho hlahisa phetoho e itseng ea elastic kopanong pakeng tsa 'mele o biling le tsela ea hare le kantle ea lesale, ka hona ho ntlafatsa ho tiea ha bearing.

2. Mokhoa oa ho lokisa sekheo:Lebokose la li-gear la polanete nakong ea motsamao le tla hlahisa khohlano, e leng se bakang liphetoho tsa boholo, sebopeho le boleng ba bokaholimo pakeng tsa likarolo, le ho tsofala, e le hore lekhalo pakeng tsa likarolo le eketsehe, re hloka ho etsa mefuta e loketseng ea phetoho ho netefatsa ho nepahala ha motsamao o amanang pakeng tsa likarolo.

 

3. Mokhoa oa puseletso ea liphoso:Likarolo ka botsona li etsa phoso ka kopano e loketseng, e le hore ketsahalo ea ho kopana ha thepa e be teng nakong ea ho kena, ho netefatsa ho nepahala ha tsela ea ho tsamaea ha lisebelisoa.

 

1. Mokhoa o akaretsang oa puseletso:Sesebelisoa se kentsoeng ka sesebelisoa sa ho fokotsa ho sebetsa se fetiselitsoe ka tokiso e nepahetseng ea tafole ea mosebetsi ho felisa liphetho tse kopaneng tsa ho nepahala ha liphoso.