Khoom kho
Tus qauv qub ntawm stepper lub cev muaj zog pib thaum xyoo 1930 los ntawm 1830 txog 1860. Nrog rau kev tsim cov khoom siv hlau nplaum ruaj khov thiab cov tshuab semiconductor, lub tshuab stepper tau tsim sai thiab loj hlob.Thaum xyoo 1960s, Tuam Tshoj pib tshawb fawb thiab tsim cov motors stepper.Txij thaum ntawd los txog rau thaum xyoo 1960s, nws yog ib qho me me ntawm cov khoom tsim los ntawm cov tsev kawm ntawv qib siab thiab cov koom haum tshawb fawb los kawm qee yam khoom siv.Tsuas yog nyob rau xyoo 1970s thaum ntxov tau ua tiav hauv kev tsim khoom thiab kev tshawb fawb.Los ntawm nruab nrab-70s mus rau nruab nrab-1980s, nws nkag mus rau theem kev loj hlob, thiab ntau yam khoom ua tau zoo tau tsim kho tas li.Txij li thaum nruab nrab xyoo 1980s, vim yog kev txhim kho thiab kev loj hlob ntawm hybrid stepper motors, thev naus laus zis ntawm Tuam Tshoj tus hybrid stepper motors, nrog rau lub cev tshuab thiab tsav tshuab, tau maj mam nce mus rau theem ntawm kev lag luam txawv teb chaws.Ntau yam hybrid stepper motors Cov khoom siv rau nws cov tsav tsheb tau nce.
Raws li ib tug actuator, stepper lub cev muaj zog yog ib qho ntawm cov khoom tseem ceeb ntawm mechatronics thiab yog dav siv nyob rau hauv ntau yam automation khoom.Lub kauj ruam lub cev muaj zog yog qhov qhib-voj tswj lub ntsiab lus uas hloov hluav taws xob pulse signals mus rau hauv lub kaum sab xis lossis tawm tawm.Thaum tus tsav tsheb kauj vab tau txais lub teeb liab mem tes, nws tsav lub kauj ruam kom tig lub kaum sab xis (piv txwv li, lub kaum sab xis) hauv cov kev taw qhia.Lub angular hloov chaw tuaj yeem tswj tau los ntawm kev tswj cov naj npawb ntawm cov pulses, thiaj li ua tiav lub hom phiaj ntawm qhov chaw raug.Hybrid stepper lub cev muaj zog yog lub cev muaj zog stepper tsim los ntawm kev sib txuas qhov zoo ntawm cov hlau nplaum ruaj khov thiab muaj zog.Nws muab faib ua ob theem, peb theem thiab tsib theem.Lub kaum sab xis ob theem feem ntau yog 1.8 degrees.Lub kaum sab xis peb theem feem ntau yog 1.2 degrees.

Nws ua haujlwm li cas
Cov qauv ntawm hybrid stepper lub cev muaj zog yog txawv ntawm cov reactive stepper lub cev muaj zog.Lub stator thiab rotor ntawm lub hybrid stepper lub cev muaj zog yog tag nrho kev koom ua ke, thaum lub stator thiab rotor ntawm lub hybrid stepper motor muab faib ua ob ntu raws li qhia hauv daim duab hauv qab no.Cov hniav me me kuj raug faib rau saum npoo.
Ob lub qhov ntawm stator yog qhov chaw zoo, thiab windings tau teem rau ntawm lawv.Qhia saum toj no yog ob-theem 4-pair motors, uas 1, 3, 5, thiab 7 yog A-theem winding sib nqus ncej, thiab 2, 4, 6, thiab 8 yog B-theem winding sib nqus ncej.Qhov sib nqus ncej windings ntawm txhua theem yog raug mob nyob rau hauv opposite lus qhia los tsim ib tug kaw magnetic Circuit Court raws li qhia nyob rau hauv x thiab y cov lus qhia nyob rau hauv daim duab saum toj no.
Qhov xwm txheej ntawm theem B zoo ib yam li theem A. Ob lub qhov ntawm lub rotor yog staggered los ntawm ib nrab ntawm lub suab (saib daim duab 5.1.5), thiab qhov nruab nrab yog txuas nrog lub nplhaib-zoo li cov hlau nplaum ruaj khov.Cov hniav ntawm ob ntu ntawm lub rotor muaj cov hlau nplaum sib nqus.Raws li tib lub hauv paus ntsiab lus ntawm lub cev muaj zog reactive, tsuav yog lub cev muaj zog nyob rau hauv qhov kev txiav txim ntawm ABABA lossis ABABA, lub stepper lub cev muaj zog tuaj yeem tig tsis tu ncua counterclockwise lossis clockwise.
Obviously, tag nrho cov hniav ntawm tib ntu ntawm rotor hniav muaj tib lub polarity, thaum lub polarities ntawm ob rotor ntu ntawm cov ntu sib txawv.Qhov sib txawv loj tshaj plaws ntawm hybrid stepper motor thiab reactive stepper motor yog tias thaum cov khoom siv hlau nplaum ruaj khov yog demagnetized, yuav muaj qhov taw tes oscillation thiab ib qho chaw tawm mus.
Lub rotor ntawm lub hybrid stepper lub cev muaj zog yog sib nqus, yog li lub torque generated nyob rau hauv tib lub stator tam sim no loj dua li ntawm lub reactive stepper motor, thiab nws cov kauj ruam yog feem ntau me me.Yog li ntawd, kev lag luam CNC tshuab cuab yeej feem ntau xav tau hybrid Stepper tsav tsav.Txawm li cas los xij, hybrid rotor muaj cov qauv ntau dua thiab cov rotor loj inertia, thiab nws qhov ceev yog qis dua li ntawm lub cev muaj zog reactive stepper.

Structure thiab tsav editing
Muaj ntau ntau domestic manufacturers ntawm stepper motors, thiab lawv cov qauv kev ua hauj lwm yog tib yam.Cov nram qab no yuav siv sij hawm ib tug domestic ob-theem hybrid stepper lub cev muaj zog 42B Y G2 50C thiab nws cov neeg tsav tsheb SH20403 ua piv txwv los qhia tus qauv thiab tsav txoj kev ntawm hybrid stepper lub cev muaj zog.[2]
Ob-theem hybrid stepper lub cev muaj zog qauv
Hauv kev tswj hwm kev lag luam, cov qauv nrog cov hniav me me ntawm cov ncej stator thiab ntau cov hniav rotor raws li qhia hauv daim duab 1 tuaj yeem siv tau, thiab nws cov kauj ruam yuav ua tau me me heev.Daim duab 1 ob

Daim duab kos duab ntawm theem hybrid stepping lub cev muaj zog, thiab daim duab kab hluav taws xob ntawm stepping motor winding nyob rau hauv daim duab 2, ob-theem windings ntawm A thiab B yog theem sib cais nyob rau hauv cov kev taw qhia radial, thiab muaj 8 protruding magnetic ncej raws. lub circumference ntawm stator.Lub 7 magnetic ncej yog nyob rau A-theem winding, thiab 2, 4, 6, thiab 8 magnetic ncej yog B-theem winding.Muaj 5 cov hniav ntawm txhua tus ncej ntawm lub stator, thiab muaj kev tswj windings ntawm tus ncej lub cev.Lub rotor muaj ib lub nplhaib sib nqus hlau thiab ob ntu ntawm cov hlau cores.Lub nplhaib-puab hlau nplaum yog magnetized nyob rau hauv axial kev taw qhia ntawm lub rotor.Ob ntu ntawm cov hlau cores raug ntsia rau ntawm ob kawg ntawm cov hlau nplaum sib nqus, yog li ntawd lub rotor muab faib ua ob tug hlau nplaum nyob rau hauv axial kev taw qhia.50 cov hniav sib npaug sib npaug ntawm lub rotor core.Cov hniav me me ntawm ob ntu ntawm cov tub ntxhais yog staggered los ntawm ib nrab ntawm lub suab.Lub suab thiab qhov dav ntawm lub rotor ruaj khov yog tib yam.

Cov txheej txheem ua haujlwm ntawm ob-theem hybrid stepping lub cev muaj zog
Thaum ob-theem tswj windings circulate hluav taws xob nyob rau hauv qhov kev txiav txim, tsuas yog ib theem winding yog energized rau ib tug ntaus, thiab plaub neeg ntaus ua ib lub voj voog.Thaum ib tug tam sim no dhau los ntawm kev tswj winding, ib tug magnetomotive quab yuam yog generated, uas interacts nrog lub magnetomotive quab yuam generated los ntawm cov hlau nplaum mus tas li los tsim electromagnetic torque thiab ua rau lub rotor ua stepwise txav.Thaum lub A-theem winding yog energized, S sib nqus ncej tsim los ntawm winding ntawm lub rotor N heev ncej 1 attracts rotor N ncej, kom cov hlau nplaum ncej 1 yog hniav-rau-tus hniav, thiab cov magnetic teb kab yog qhia. los ntawm rotor N ncej mus rau tus hniav nto ntawm tus ncej hlau nplaum 1, thiab cov hlau nplaum 5 Hniav-rau-tus hniav, cov hlau nplaum 3 thiab 7 yog cov hniav-rau-groove, raws li qhia hauv daim duab 4
图 A-theem energized rotor N huab stator rotor tshuav daim duab.Vim tias cov hniav me me ntawm ob ntu ntawm lub rotor core yog staggered los ntawm ib nrab ntawm lub suab, ntawm S ncej ntawm lub rotor, S ncej hlau nplaum tsim los ntawm cov hlau nplaum 1 'thiab 5' repels S ncej ntawm lub rotor, uas yog raws nraim cov hniav-rau-slot nrog lub rotor, thiab tus ncej 3 'Thiab 7' hniav nto generates ib tug N-pole magnetic teb, uas attracts tus S-ncej ntawm lub rotor, thiaj li hais tias cov hniav ntsej muag rau cov hniav.Lub rotor N-ncej thiab S-ncej rotor tshuav daim duab thaum lub A-theem winding yog energized yog pom nyob rau hauv daim duab 3.

Vim hais tias lub rotor muaj 50 cov hniav nyob rau hauv tag nrho, nws lub suab lub kaum sab xis yog 360 ° / 50 = 7.2 °, thiab tus naj npawb ntawm cov hniav nyob ntawm txhua tus ncej pitch ntawm lub stator tsis yog ib tug integer.Yog li ntawd, thaum lub sij hawm A theem ntawm lub stator yog energized, N ncej ntawm lub rotor, thiab tus ncej ntawm 1 Lub tsib hniav yog opposite rau lub rotor hniav, thiab tsib hniav ntawm lub magnetic ncej 2 ntawm lub theem B winding ntawm ib sab. cov hniav rotor muaj 1/4 pitch misalignment, piv txwv li, 1.8 °.Qhov twg lub voj voog yog kos, cov hniav ntawm A-theem sib nqus ncej 3 thiab lub rotor yuav raug tshem tawm 3.6 °, thiab cov hniav yuav ua raws li cov grooves.
Cov kab hluav taws xob sib nqus yog qhov nkhaus kaw raws N-kawg ntawm lub rotor → A (1) S sib nqus ncej → magnetically conductive nplhaib → A (3 ') N sib nqus ncej → rotor S-kawg → rotor N-kawg.Thaum lub sij hawm A yog powered tawm thiab theem B yog energized, sib nqus ncej 2 generates N polarity, thiab S ncej rotor 7 hniav nyob ze rau nws yog attracted, yog li ntawd lub rotor tig 1.8 ° clockwise kom tiav magnetic ncej 2 thiab rotor hniav rau cov hniav. , B Cov theem kev loj hlob ntawm stator cov hniav ntawm theem winding yog qhia nyob rau hauv daim duab 5, lub sij hawm no, cov hlau nplaum ncej 3 thiab cov hniav rotor muaj ib tug 1/4 pitch misalignment.
Los ntawm kev sib piv, yog tias lub zog txuas ntxiv nyob rau hauv qhov kev txiav txim ntawm plaub tus neeg ntaus, lub rotor tig ib kauj ruam los ntawm kauj ruam hauv kev coj ua clockwise.Txhua lub sijhawm ua kom muaj zog, txhua tus mem tes tig los ntawm 1.8 °, uas txhais tau hais tias lub kaum sab xis yog 1.8 °, thiab lub rotor tig ib zaug Xav tau 360 ° / 1.8 ° = 200 pulses (saib daim duab 4 thiab 5).

Qhov zoo ib yam yog qhov tseeb ntawm qhov kawg ntawm lub rotor S. Thaum cov hniav winding yog opposite rau cov hniav, cov hlau nplaum ntawm ib theem ntawm nws yog misaligned los ntawm 1.8 °.3 Stepper lub cev muaj zog tsav tsheb Stepper lub cev muaj zog yuav tsum muaj tus tsav tsheb thiab tus tswj kom ua haujlwm ib txwm.Lub luag hauj lwm ntawm tus neeg tsav tsheb yog los faib cov tswj pulses nyob rau hauv ib lub nplhaib thiab amplify lub hwj chim, thiaj li hais tias lub windings ntawm lub stepper lub cev muaj zog yog energized nyob rau hauv ib tug tej yam kev txiav txim los tswj kev sib hloov ntawm lub cev muaj zog.Tus tsav tsheb ntawm stepper lub cev muaj zog 42BYG250C yog SH20403.Rau 10V ~ 40V DC fais fab mov, lub A +, A-, B +, thiab B- terminals yuav tsum tau txuas nrog plaub coj ntawm lub stepper motor.DC + thiab DC-terminals txuas nrog tus tsav tsheb DC fais fab mov.Lub input interface Circuit Court muaj xws li lub davhlau ya nyob twg (txuas mus rau qhov zoo davhlau ya nyob twg ntawm lub input davhlau ya nyob twg fais fab mov)., Pulse signal input (input a series of pulses, internally allocated to drive the stepper motor A, B phase), kev taw qhia teeb liab input (tuaj yeem paub qhov zoo thiab qhov tsis zoo ntawm lub stepper motor), offline teeb liab input.
Cov txiaj ntsig kho
Lub hybrid stepping lub cev muaj zog yog muab faib ua ob theem, peb theem thiab tsib theem: ob-theem kauj ruam yog feem ntau 1.8 degrees thiab tsib-theem stepping lub kaum sab xis feem ntau yog 0.72 degrees.Nrog rau qhov nce ntawm lub kaum sab xis, lub kaum sab xis yog txo, thiab qhov tseeb yog txhim kho.Cov kauj ruam lub cev muaj zog no feem ntau siv.Hybrid stepper motors muab qhov zoo ntawm ob qho tib si reactive thiab ruaj khov hlau nplaum stepper motors: tus naj npawb ntawm ncej khub yog sib npaug rau tus naj npawb ntawm cov hniav rotor, uas tuaj yeem sib txawv ntau yam raws li qhov xav tau;winding inductance sib txawv nrog
Rotor txoj hauj lwm hloov me me, yooj yim kom ua tiav kev ua haujlwm zoo tswj;axial magnetization magnetic circuit, siv cov khoom siv hlau nplaum ruaj khov tshiab nrog cov khoom siv hluav taws xob sib nqus siab, yog qhov tsim nyog rau kev txhim kho lub cev muaj zog;rotor magnetic steel muab excitation;tsis pom tseeb oscillation.[3]