Litaba tse 'maloa tse nang le li-motor tsa micro stepper

1,Ke litšobotsi life tsa bipolar le unipolar tsa enjene?

Bipolar Motors:

Li-motor tsa rona tsa bipolar ka kakaretso li na le mekhahlelo e 'meli feela, mohato oa A le oa B, 'me mohato ka mong o na le lithapo tse peli tse tsoang, e leng matsoeli a arohaneng. Ha ho na kamano pakeng tsa mekhahlelo e 'meli. Li-motors tsa bipolar li na le lithapo tse 4 tse tsoang.

Unipolar motors:

Li-motor tsa rona tsa unipolar hangata li na le mekhahlelo e mene. Motheong oa mekhahlelo e 'meli ea li-bipolar motors, ho eketsoa mela e' meli e tloaelehileng.

Haeba lithapo tse tloaelehileng li hokahane hammoho, lithapo tse tsoang ke lithapo tse 5.

Haeba lithapo tse tloaelehileng li sa hokahane hammoho, lithapo tse tsoang ke lithapo tse 6.

Enjene ea unipolar e na le mela e 5 kapa e 6 e tsoang.

2Maqhubu a holimo a ho sebetsa/maqhubu a phahameng a ho hula ke afe?

Bongata ba maqhubu a ho matha/Maqhubu a phahameng a ho hula

Maximum running frequency, eo hape e tsejoang e le maximum slewing frequency / maximum pull-out frequency, ke maqhubu a phahameng ka ho fetesisa ao koloi e ka lulang e potoloha tlas'a mofuta o itseng oa ho khanna, voltage le rated current, ntle le ho eketsa mojaro.

Ka lebaka la inertia ea rotor, enjene e potolohang e hloka torque e nyane ho bilika ha e bapisoa le enjene e emeng, ka hona maqhubu a phahameng a ho sebetsa a tla ba kholo ho feta maqhubu a ho iqalla.

3,Torque e hulang le torque ea enjene ea stepper ke eng?

Torque ea ho hula

Torque ea ho hula ke torque e kholo e ka tsamaisoang ntle le ho lahleheloa ke mehato. E fihla ho eona

boholo ka lebelo le tlase haholo kapa lebelo, mme e fokotseha ha maqhubu a ntse a eketseha. Haeba mojaro ka

enjene ea ho hata nakong ea ho potoloha e eketseha ho feta torque ea ho hula, enjene e tla oela kantle ho mohato

mme ts'ebetso e nepahetseng e ke ke ea khoneha.

Torque ea ho hula

Pull-in torque ke torque e kholo eo ho eona enjene e ka qalang ho potoloha ka lebelo le fanoeng ho tloha

boemo ba ho emisa. Setepisi se ke ke sa qala ho potoloha ka torque ea mojaro e fetang torque ea ho hula.

Torque ea ho hula e nyane ho feta torque e hulang, ka lebaka la ho se sebetse ha rotor ea enjene.

4,Torque e ikemetseng ea enjene ea stepper ke eng?

Torque ea detent ke torque e teng sebakeng se sa sebetseng ka lebaka la ho sebelisana ha nako e telele

makenete le meno a stator. Tšitiso e hlokomelehang kapa ho kokota ho ka utloahala ka ho potoloha enjene ka

letsoho.Ka kakaretso, enjene stepper tla lahleheloa ke kamahanyo ha torque hula-tsoa e feta ka lebaka la

overload. Hangata likoloi li khethoa le ho hlahlojoa ho sebelisoa litekanyetso tsa torque tse hulang ka holimo ho

litlhoko tsa kopo ho thibela lipalo tse lahlehileng kapa li-stall tsa makoloi.

5,Mekhoa ea ho khanna ea li-stepper motors ke efe?

Ho khanna ka leqhubu / mohato o le mong ho sebetsa ka mohato o le mong feela

e butsoe ka nako e itseng, e bontšitsoeng lehlakoreng le letona la setšoantšo. Ha koloi e matlafatsa palo A (ka boroa) e bontšitsoeng ka botala, e hohela palo e ka leboea ea rotor. Joale ha driveenergizes B 'me e tima A, rotor e potoloha 90 °' me sena se tsoela pele ha koloi e matlafatsa palo e 'ngoe le e' ngoe ka nako.

2-2 Phase Ho khanna ho na le lebitso la eona hobane mekhahlelo e 'meli e etsahala ka nako e le' ngoe. Haeba koloi e matlafatsa lipalo tsa A le B e le lipalo tse ka boroa (tse bontšitsoeng ka botala), joale palo e ka leboea ea rotor e hohela ka bobeli ka ho lekana le ho lumellana bohareng ba tse peli. Ha tatellano e matlafatsang e ntse e tsoela pele ka tsela ena, rotor e lula e qetella e hokahane lipakeng tsa lipalo tse peli. Ho khanna ka mekhahlelo ea 2-2 ha ho na tharollo e ntle ho feta mohato o le mong, empa ho hlahisa torque e ngata. Ona ke mokhoa oa ho khanna oo re o sebelisang hangata litekong tsa rona, o tsejoang hape e le "full step driving".

1-2 phase drive e bitsoa ka mor'a hore mokhanni a fetohe pakeng tsa 1-mohato le 2-mohato oa thabo. Mokhanni o matlafatsa palo A, ebe o matlafatsa palo ea A le ea B, ebe o matlafatsa palo ea B, ebe o matlafatsa lipalo tsa A le tsa B, joalo-joalo. (E bonts'itsoe karolong e tala ka lehlakoreng le letona) Ho khanna ka mekhahlelo e 1-2 ho fana ka tharollo e ntle ea motsamao. Ha mekhahlelo e 2 e matlafatsoa, ​​​​enjene e na le torque e eketsehileng. Khopotso ke ena: Ripple ea torque ke ntho e tšoenyang, hobane e ka baka molumo oa molumo le ho thothomela. Ha ho bapisoa le ho khanna ka mehato e feletseng / 2-2-mohato oa ho khanna, mohato oa mohato oa 1-2-phase drive ke halofo feela, 'me ho nka mehato e habeli ho potoloha phetoho e le' ngoe , kahoo 1-2 mohato oa ho khanna o boetse o bitsoa "half step driving" 1-2 phase drive e ka boela ea nkoa e le koloi ea motheo ea karohano.

6,U ka khetha mochini o nepahetseng oa stepper joang?

Bakeng sa khetho e ntle ka ho fetisisa, ba

melao ea motheo ea theory e tlameha ho hlomphuoa:

Mosebetsi oa pele ke ho khetha motor stepper e nepahetseng bakeng sa ts'ebeliso.

1. Khetha enjene ho latela torque e phahameng ka ho fetesisa / lebelo le hlokoang ke ts'ebeliso (khetho e ipapisitse le boemo bo bobe ka ho fetesisa)

2. Sebelisa bonyane 30% ea moeli oa moralo ho tloha torque e hatisitsoeng khahlanong le lebelo la curve ( hula-out curve).

3. Netefatsa hore kopo e ke ke ea emisoa ke liketsahalo tsa kantle.