Hauv cov khoom siv automation, cov cuab yeej precision, robots, thiab txawm tias cov tshuab luam ntawv 3D txhua hnub thiab cov khoom siv hauv tsev ntse, micro stepper motors ua lub luag haujlwm tseem ceeb vim lawv qhov chaw tseeb, kev tswj yooj yim, thiab kev siv nyiaj ntau. Txawm li cas los xij, ntsib cov khoom lag luam zoo nkauj ntawm kev ua lag luam, yuav ua li cas xaiv lub micro stepper motor tsim nyog tshaj plaws rau koj daim ntawv thov? Kev nkag siab tob txog nws cov yam ntxwv tseem ceeb yog thawj kauj ruam mus rau kev xaiv ua tiav. Tsab xov xwm no yuav muab kev tshuaj xyuas ntxaws ntxaws ntawm cov cim qhia tseem ceeb no los pab koj txiav txim siab zoo.
1. Kauj Ruam Lub Kaum
Kev Txhais Lus:Lub kaum sab xis ntawm kev tig ntawm lub cev muaj zog stepper thaum tau txais lub teeb liab pulse yog qhov qhia tau qhov tseeb tshaj plaws ntawm lub cev muaj zog stepper.
Cov nqi sib xws:Cov ces kaum kauj ruam rau cov qauv ob-theem hybrid micro stepper motors yog 1.8 ° (200 kauj ruam ib zaug tig) thiab 0.9 ° (400 kauj ruam ib zaug tig). Cov motors meej dua tuaj yeem ua tiav cov ces kaum me dua (xws li 0.45 °).
Kev daws teeb meem:Qhov me dua ntawm lub kaum sab xis, qhov me dua ntawm lub cev muaj zog ib kauj ruam txav mus los, thiab qhov siab dua qhov kev daws teeb meem theoretical uas tuaj yeem ua tiav.
Kev ua haujlwm ruaj khov: Ntawm tib qhov ceev, lub kaum sab xis me dua feem ntau txhais tau tias kev ua haujlwm du dua (tshwj xeeb tshaj yog nyob rau hauv micro kauj ruam tsav).
Cov ntsiab lus xaiv:Xaiv raws li qhov tsawg kawg nkaus uas yuav tsum tau txav mus los lossis qhov tseeb ntawm qhov chaw ntawm daim ntawv thov. Rau cov ntawv thov siab xws li cov khoom siv kho qhov muag thiab cov cuab yeej ntsuas qhov tseeb, nws yog qhov tsim nyog los xaiv cov ces kaum me me lossis cia siab rau cov thev naus laus zis micro kauj ruam tsav.
2. Tuav Torque
Kev Txhais Lus:Lub zog torque siab tshaj plaws uas lub cev muaj zog tuaj yeem tsim tau ntawm qhov tam sim no thiab nyob rau hauv lub xeev muaj zog (tsis muaj kev tig). Lub unit feem ntau yog N · cm lossis oz · hauv.
Qhov Tseem Ceeb:Qhov no yog lub cim qhia tseem ceeb rau kev ntsuas lub zog ntawm lub cev muaj zog, txiav txim siab seb lub cev muaj zog sab nraud tuaj yeem tiv taus ntau npaum li cas yam tsis poob kauj ruam thaum nres, thiab nws tuaj yeem tsav ntau npaum li cas thaum lub sijhawm pib/nres.
Kev cuam tshuam:Muaj feem cuam tshuam ncaj qha rau qhov loj ntawm lub nra thiab lub peev xwm ua kom nrawm uas lub cev muaj zog tuaj yeem tsav. Qhov tsis txaus torque tuaj yeem ua rau muaj teeb meem pib, poob ntawm cov kauj ruam thaum lub sijhawm ua haujlwm, thiab txawm tias stalling.
Cov ntsiab lus xaiv:Qhov no yog ib qho ntawm cov yam ntxwv tseem ceeb uas yuav tsum xav txog thaum xaiv. Nws yog ib qho tsim nyog los xyuas kom meej tias lub zog tuav ntawm lub cev muaj zog loj dua qhov siab tshaj plaws static torque xav tau los ntawm lub nra, thiab muaj qhov kev nyab xeeb txaus (feem ntau pom zoo kom yog 20% -50%). Xav txog kev sib txhuam thiab kev nrawm.
3. Theem Tam Sim No
Kev Txhais Lus:Qhov siab tshaj plaws tam sim no (feem ntau yog tus nqi RMS) uas tso cai hla dhau txhua theem winding ntawm lub cev muaj zog raws li cov xwm txheej ua haujlwm ntsuas. Chav Ampere (A).
Qhov Tseem Ceeb:Ncaj qha txiav txim siab qhov loj ntawm lub zog torque uas lub cev muaj zog tuaj yeem tsim tau (torque yog kwv yees li proportional rau tam sim no) thiab qhov kub nce.
Kev sib raug zoo nrog lub drive:tseem ceeb heev! Lub cev muaj zog yuav tsum muaj tus tsav uas tuaj yeem muab cov hluav taws xob theem ntsuas (lossis tuaj yeem hloov kho rau tus nqi ntawd). Cov hluav taws xob tsav tsis txaus tuaj yeem ua rau lub zog tso zis ntawm lub cev muaj zog txo qis; Cov hluav taws xob ntau dhau tuaj yeem hlawv cov winding lossis ua rau kub dhau.
Cov ntsiab lus xaiv:Qhia meej txog qhov torque uas xav tau rau daim ntawv thov, xaiv lub cev muaj zog tam sim no raws li qhov nkhaus torque/tam sim no ntawm lub cev muaj zog, thiab phim qhov muaj peev xwm tso zis tam sim no ntawm tus tsav tsheb.
4. Kev tiv thaiv winding ib theem thiab winding inductance ib theem
Kev Tsis kam (R):
Kev Txhais Lus:Qhov DC tsis kam ntawm txhua qhov winding theem. Lub chav tsev yog ohms (Ω).
Kev cuam tshuam:Cuam tshuam rau qhov xav tau hluav taws xob ntawm tus tsav tsheb (raws li Ohm txoj cai V = I * R) thiab kev poob tooj liab (kev tsim cua sov, kev poob hluav taws xob = I ² * R). Qhov loj dua qhov tsis kam, qhov siab dua qhov hluav taws xob xav tau ntawm tib lub sijhawm, thiab qhov ntau dua qhov tsim cua sov.
Kev cuam tshuam (L):
Kev Txhais Lus:Qhov inductance ntawm txhua theem winding. Chav tsev millihenries (mH).
Kev cuam tshuam:yog qhov tseem ceeb rau kev ua haujlwm ceev ceev. Inductance tuaj yeem cuam tshuam kev hloov pauv sai ntawm tam sim no. Qhov loj dua qhov inductance, qhov qeeb dua qhov tam sim no nce / poob, txwv tsis pub lub cev muaj zog mus txog qhov ntsuas tam sim no ntawm qhov ceev ceev, ua rau muaj kev txo qis hauv torque ntawm qhov ceev ceev (torque decay).
Cov ntsiab lus xaiv:
Cov cav tsis tshua muaj zog thiab cov inductance qis feem ntau muaj kev ua haujlwm ceev zoo dua, tab sis tej zaum yuav xav tau cov hluav taws xob tsav tsheb siab dua lossis cov thev naus laus zis tsav tsheb nyuaj dua.
Cov ntawv thov ceev ceev (xws li cov khoom siv faib khoom ceev ceev thiab cov khoom siv luam theej duab) yuav tsum muab qhov tseem ceeb rau cov cav tsis muaj inductance qis.
Tus tsav tsheb yuav tsum muaj peev xwm muab hluav taws xob siab txaus (feem ntau ntau zaus ntawm qhov hluav taws xob ntawm 'I R') kom kov yeej qhov inductance thiab xyuas kom meej tias tam sim no tuaj yeem tsim tau sai ntawm qhov ceev ceev.
5. Kub nce thiab chav kawm rwb thaiv tsev
Kub nce:
Kev Txhais Lus:Qhov sib txawv ntawm qhov kub thiab txias ntawm lub cev muaj zog tom qab ncav cuag qhov sib npaug ntawm qhov ntsuas tam sim no thiab cov xwm txheej ua haujlwm tshwj xeeb. Chav ℃.
Qhov Tseem Ceeb:Qhov kub nce siab dhau tuaj yeem ua rau cov khoom rwb thaiv tsev laus zuj zus, txo qhov ua tau zoo ntawm lub zog sib nqus, ua rau lub cev muaj zog luv luv, thiab ua rau muaj kev ua haujlwm tsis zoo.
Qib rwb thaiv tsev:
Kev Txhais Lus:Tus qauv theem rau kev tiv taus cua sov ntawm cov khoom siv rwb thaiv tsev ntawm lub cev muaj zog (xws li B-theem 130 ° C, F-theem 155 ° C, H-theem 180 ° C).
Qhov Tseem Ceeb:txiav txim siab qhov kub siab tshaj plaws uas tso cai rau kev ua haujlwm ntawm lub cev muaj zog (qhov kub ib puag ncig + qhov kub nce + qhov chaw kub ntawm qhov chaw ≤ qhov kub ntawm qib rwb thaiv tsev).
Cov ntsiab lus xaiv:
To taub qhov kub ntawm ib puag ncig ntawm daim ntawv thov.
Tshuaj xyuas lub voj voog ua haujlwm ntawm daim ntawv thov (kev ua haujlwm tas mus li lossis tsis tu ncua).
Xaiv cov cav uas muaj cov qib rwb thaiv tsev siab txaus kom ntseeg tau tias qhov kub ntawm qhov winding tsis tshaj qhov txwv siab tshaj plaws ntawm qib rwb thaiv tsev nyob rau hauv cov xwm txheej ua haujlwm thiab qhov kub nce siab. Kev tsim cov cua sov zoo (xws li kev teeb tsa cov dab dej kub thiab kev yuam cua txias) tuaj yeem txo qhov kub nce siab.
6. Qhov loj ntawm lub cev muaj zog thiab txoj kev teeb tsa
Loj:feem ntau yog hais txog qhov loj ntawm flange (xws li NEMA cov qauv xws li NEMA 6, NEMA 8, NEMA 11, NEMA 14, NEMA 17, lossis metric qhov loj xws li 14mm, 20mm, 28mm, 35mm, 42mm) thiab lub cev ntev ntawm lub cev muaj zog. Qhov loj me cuam tshuam ncaj qha rau qhov tso zis torque (feem ntau qhov loj dua thiab lub cev ntev dua, qhov loj dua qhov torque).
NEMA6 (14 hli):
NEMA8 (20 hli):
NEMA11 (28 hli):
NEMA14 (35 hli):
NEMA17 (42 hli):
Cov txheej txheem teeb tsa:Cov txheej txheem feem ntau suav nrog kev teeb tsa flange pem hauv ntej (nrog cov qhov xov), kev teeb tsa lub hau tom qab, kev teeb tsa clamp, thiab lwm yam. Nws yuav tsum tau phim nrog cov qauv khoom siv.
Txoj kab uas hla ntawm lub ncej thiab qhov ntev ntawm lub ncej: Txoj kab uas hla ntawm lub ncej thiab qhov ntev ntawm lub qhov tso zis yuav tsum tau hloov kho rau qhov sib txuas lossis qhov thauj khoom.
Cov qauv xaiv:Xaiv qhov loj me tsawg kawg nkaus uas tso cai los ntawm qhov chaw txwv thaum ua tau raws li qhov yuav tsum tau ua ntawm lub zog thiab kev ua haujlwm. Paub meej tias qhov chaw teeb tsa, qhov loj ntawm lub ncej, thiab qhov kawg ntawm qhov thauj khoom sib xws.
7. Rotor Inertia
Kev Txhais Lus:Lub sijhawm ntawm inertia ntawm lub cev muaj zog rotor nws tus kheej. Lub chav tsev yog g · cm ².
Kev cuam tshuam:Cuam tshuam rau qhov kev teb ceev ntawm lub cev muaj zog thaum lub sijhawm nrawm thiab qeeb. Qhov loj dua qhov inertia ntawm lub rotor, qhov ntev dua lub sijhawm pib nres xav tau, thiab qhov siab dua qhov xav tau rau lub peev xwm nrawm ntawm lub tsav.
Cov ntsiab lus xaiv:Rau cov ntawv thov uas xav tau kev pib nres ntau zaus thiab kev nrawm / qeeb sai (xws li kev xaiv thiab tso cov neeg hlau ceev ceev, kev txiav laser), nws raug pom zoo kom xaiv cov motors nrog rotor inertia me me lossis xyuas kom meej tias tag nrho cov load inertia (load inertia + rotor inertia) yog nyob rau hauv qhov sib phim pom zoo ntawm tus tsav tsheb (feem ntau pom zoo load inertia ≤ 5-10 zaug ntawm rotor inertia, cov tsav tsheb ua haujlwm siab tuaj yeem so).
8. Qib raug
Kev Txhais Lus:Nws feem ntau yog hais txog qhov tseeb ntawm lub kaum sab xis (qhov sib txawv ntawm lub kaum sab xis tiag tiag thiab tus nqi theoretical) thiab qhov yuam kev ntawm qhov chaw sib sau ua ke. Feem ntau yog qhia ua feem pua (xws li ± 5%) lossis lub kaum sab xis (xws li ± 0.09 °).
Kev Cuam Tshuam: Cuam tshuam ncaj qha rau qhov tseeb ntawm qhov chaw nyob hauv qab kev tswj hwm qhib. Kev tawm ntawm kauj ruam (vim tsis muaj zog txaus lossis kev nce qib ceev ceev) yuav ua rau muaj qhov yuam kev ntau dua.
Cov ntsiab lus xaiv tseem ceeb: Qhov tseeb ntawm lub cev muaj zog feem ntau tuaj yeem ua tau raws li feem ntau cov kev xav tau. Rau cov ntawv thov uas xav tau qhov tseeb siab heev (xws li cov khoom siv tsim khoom semiconductor), cov motors siab (xws li hauv ± 3%) yuav tsum tau xaiv thiab tej zaum yuav xav tau kev tswj hwm kaw lossis cov encoders siab daws teeb meem.
Kev txiav txim siab dav dav, kev sib phim meej
Kev xaiv cov micro stepper motors tsis yog tsuas yog raws li ib qho parameter xwb, tab sis yuav tsum tau txiav txim siab kom meej raws li koj qhov xwm txheej thov tshwj xeeb (cov yam ntxwv ntawm kev thauj khoom, cov kab nkhaus txav, qhov yuav tsum tau ua kom raug, qhov ceev, qhov chaw txwv, cov xwm txheej ib puag ncig, cov nqi siv nyiaj).
1. Piav qhia meej txog cov kev cai tseem ceeb: Lub zog thauj khoom thiab qhov ceev yog cov ntsiab lus pib.
2. Sib phim lub zog tsav tsheb: Cov theem tam sim no, kev tiv thaiv, thiab cov yam ntxwv inductance yuav tsum sib xws nrog tus tsav tsheb, nrog rau kev saib xyuas tshwj xeeb rau cov kev xav tau kev ua haujlwm ceev.
3. Ua tib zoo saib xyuas kev tswj cua sov: xyuas kom meej tias qhov kub nce siab nyob rau hauv qhov ntau ntawm qib rwb thaiv tsev.
4. Xav txog tej yam uas yuav tsum tau ua kom lub cev muaj zog: Qhov loj, txoj kev teeb tsa, thiab cov lus qhia ntawm tus ncej yuav tsum tau hloov kho kom haum rau cov qauv kho tshuab.
5. Soj ntsuam kev ua tau zoo ntawm lub zog: Kev siv zog nrawm thiab qeeb ntau zaus yuav tsum tau ua tib zoo saib xyuas qhov rotor inertia.
6. Kev txheeb xyuas qhov tseeb: Paub meej tias qhov tseeb ntawm lub kaum sab xis puas ua tau raws li qhov yuav tsum tau ua ntawm qhov chaw qhib.
Los ntawm kev tshawb nrhiav cov ntsiab lus tseem ceeb no, koj tuaj yeem tshem tawm cov pos huab thiab txheeb xyuas qhov tseeb ntawm lub cev muaj zog micro stepper uas tsim nyog tshaj plaws rau qhov project, tsim lub hauv paus ruaj khov rau kev ua haujlwm ruaj khov, ua haujlwm tau zoo, thiab raug ntawm cov khoom siv. Yog tias koj tab tom nrhiav qhov kev daws teeb meem zoo tshaj plaws rau ib daim ntawv thov tshwj xeeb, xav tias dawb los sab laj nrog peb pab neeg kev tshaj lij rau cov lus qhia xaiv tus kheej raws li koj cov kev xav tau ntxaws! Peb muab ntau yam ntawm cov micro stepper motors ua tau zoo thiab cov tsav tsheb sib phim kom tau raws li ntau yam kev xav tau los ntawm cov khoom siv dav dav mus rau cov cuab yeej txiav tshiab.
Lub sijhawm tshaj tawm: Lub Yim Hli-18-2025