21 nqe lus nug txog servo motors

Cov qauv dav dav ntawm kev lag luam neeg hlau hluav taws xob servo system muaj peb lub voj kaw, uas yog lub voj tam sim no, lub voj nrawm, thiab txoj haujlwm voj. Feem ntau, rau AC servo drives, ntau yam haujlwm xws li kev tswj txoj haujlwm, kev tswj ceev, thiab kev tswj lub zog tuaj yeem ua tiav los ntawm kev teeb tsa lawv cov kev ua haujlwm sab hauv.
Yuav ua li cas xaiv servo motors thiab stepper motors kom raug?
Teb: Nws tsuas yog nyob ntawm qhov kev thov tshwj xeeb. Cias muab, nws yuav tsum tau txiav txim siab: qhov xwm ntawm lub load (xws li kab rov tav los yog ntsug load), torque, inertia, ceev, raug, acceleration thiab deceleration yuav tsum, siab tswj cov cai (xws li yuav tsum tau rau qhov chaw nres nkoj interface thiab kev sib txuas lus), thiab lub ntsiab tswj txoj kev yog txoj hauj lwm, torque, los yog ceev. Yog lub hwj huam mov DC los yog AC, los yog roj teeb powered, nrog ib tug voltage range. Raws li qhov no, txiav txim siab tus qauv ntawm lub cev muaj zog thiab nrog tus tsav tsheb lossis tus tswj hwm.
2. Xaiv stepper lub cev muaj zog lossis servo lub cev muaj zog?
Teb: Qhov tseeb, qhov kev xaiv ntawm lub cev muaj zog yuav tsum nyob ntawm qhov kev thov tshwj xeeb, txhua tus muaj nws tus yam ntxwv.
Yuav siv tus tsav tsheb stepper li cas?
Teb: Raws li qhov tam sim no ntawm lub cev muaj zog, siv tus tsav tsheb uas ntau dua lossis sib npaug ntawm qhov tam sim no. Yog tias tsis tshua muaj kev vibration lossis siab precision, yuav tsum tau siv lub subdivision type driver. Rau siab torque motors, siv high voltage hom tsav tsheb kom ntau li ntau tau kom ua tau zoo high-ceev kev ua tau zoo.
Dab tsi yog qhov txawv ntawm 2-theem thiab 5-theem stepper motors thiab yuav xaiv lawv li cas?
Teb: A 2-theem lub cev muaj zog muaj tus nqi qis, tab sis nws muaj kev vibration ntau dua ntawm qhov ceev ceev thiab ceev lub zog txo ntawm kev kub ceev. A 5-theem lub cev muaj zog muaj kev vibration tsawg dua thiab kev ua haujlwm siab ceev, nrog qhov ceev 30-50% siab dua li 2-theem lub cev muaj zog. Nws tuaj yeem hloov servo motors hauv qee qhov xwm txheej.
Thaum twg los xaiv DC servo system thiab qhov txawv ntawm nws thiab AC servo yog dab tsi?
Teb: DC servo motors tau muab faib ua brushed motors thiab brushless motors.
Brushless motors muaj tus nqi qis, qauv yooj yim, loj pib torque, dav nrawm, tswj tau yooj yim, thiab xav tau kev saib xyuas. Txawm li cas los xij, lawv yooj yim los tswj (hloov cov txhuam hniav), tsim hluav taws xob cuam tshuam, thiab muaj cov kev cai ib puag ncig. Yog li ntawd, nws yuav siv tau nyob rau hauv cov nqi rhiab heev kev lag luam thiab pej xeem daim ntaub ntawv.
Brushless motors muaj me me, lub teeb yuag, siab tso zis, ceev teb, kev kub ceev, me inertia, du rotation, thiab ruaj khov torque. Kev tswj yog qhov nyuaj, yooj yim rau kev txawj ntse, thiab nws txoj kev sib hloov hluav taws xob yog hloov tau, uas tuaj yeem yog square yoj commutation lossis sine wave commutation. Lub cev muaj zog yog kev saib xyuas dawb, muaj kev ua haujlwm siab, ua haujlwm ntawm qhov kub thiab txias, muaj hluav taws xob tsawg tsawg, thiab muaj lub neej ntev. Nws tuaj yeem siv rau hauv ntau qhov chaw.
AC servo motors kuj yog brushless motors, muab faib ua synchronous thiab asynchronous motors. Tam sim no, synchronous motors feem ntau yog siv hauv kev tswj cov lus tsa suab, uas muaj lub zog loj thiab tuaj yeem ua tiav lub zog siab. Loj inertia, qis siab tshaj plaws kev sib hloov ceev, thiab sai sai nrog kev nce zog. Yog li ntawd, nws yog qhov tsim nyog rau cov ntawv thov uas ua haujlwm zoo ntawm qhov qis qis.
6. Dab tsi yuav tsum tau sau tseg thaum siv lub cev muaj zog?
Teb: Ua ntej fais fab tuag thiab khiav, cov kev kuaj hauv qab no yuav tsum tau ua:
1) Puas yog lub hwj chim muab hluav taws xob tsim nyog (overvoltage yuav ua rau muaj kev puas tsuaj rau lub tsav module); Lub +/- polarity ntawm DC cov tswv yim yuav tsum tsis txhob sib txuas tsis raug, thiab seb tus qauv ntawm lub cev muaj zog lossis qhov kev teeb tsa tam sim no ntawm tus tsav tswj yog qhov tsim nyog (tsis loj heev thaum pib);
2) Cov kab hluav taws xob tswj yuav tsum txuas ruaj khov, thiab nws yog qhov zoo tshaj plaws los txiav txim siab txog kev tiv thaiv cov teeb meem hauv cov chaw lag luam (xws li siv cov kab sib tw twisted);
3) Tsis txhob txuas tag nrho cov xov hlau uas yuav tsum tau txuas rau thaum pib, tsuas yog txuas lawv mus rau qhov yooj yim tshaj plaws, thiab maj mam txuas lawv tom qab khiav zoo.
4) Nco ntsoov qhia meej txog txoj hauv av los yog siv ntab yam tsis muaj av.
5) Tsis pub dhau ib nrab teev ntawm kev pib ua haujlwm, ua tib zoo saib xyuas cov xwm txheej ntawm lub cev muaj zog, xws li seb qhov kev txav mus los zoo li cas, lub suab thiab qhov kub thiab txias. Yog tias pom muaj teeb meem, nres lub tshuab tam sim rau kev hloov kho.
7. Thaum lub stepper lub cev muaj zog pib thiab khiav, qee zaum nws nres lossis txav rov qab mus rau qhov chaw, thiab qee zaum nws poob kauj ruam thaum ua haujlwm. Qhov teeb meem yog dab tsi?
Feem ntau, cov hauv qab no yuav tsum tau txiav txim siab rau kev tshuaj xyuas:
1) Txawm hais tias lub cev muaj zog torque loj txaus thiab seb nws puas tuaj yeem tsav lub nra, peb feem ntau xav kom cov neeg siv xaiv lub cev muaj zog nrog lub zog ntawm 50% txog 100% ntau dua li qhov xav tau tiag tiag thaum xaiv, vim tias stepper motors tsis tuaj yeem khiav hauv qab load, txawm tias nyob rau hauv ib qho tam sim, nws yuav ua rau poob qis, thiab hauv qhov xwm txheej hnyav, lawv tuaj yeem nres lossis txav mus rau qhov chaw tsis tu ncua.
2) Is the current of the input step pulse from the upper controller large enough (usually>10mA) txhawm rau ua kom ruaj khov ntawm cov khoom siv optocoupler, thiab yog qhov input zaus siab dhau kom tau txais nws? Yog tias qhov tso zis hluav taws xob ntawm tus tswj hwm sab saud yog CMOS Circuit Court, CMOS input hom tsav tsheb yuav tsum raug xaiv. WeChat kev cob qhia thev naus laus zis yog tsim nyog rau koj mloog.
3) Puas yog qhov pib zaus siab dhau lawm thiab puas yog cov txheej txheem nrawm tau teeb tsa hauv qhov kev pib pib? Nws yog qhov zoo tshaj plaws los ua kom nrawm nrawm los ntawm qhov teev pib zaus ntawm lub cev muaj zog mus rau qhov teeb tsa zaus, txawm tias lub sij hawm acceleration luv luv, txwv tsis pub nws yuav tsis ruaj khov lossis txawm nyob hauv lub xeev tub nkeeg.
4) Thaum lub cev muaj zog tsis kho kom zoo, qee zaum qhov xwm txheej no tshwm sim, uas suav tias yog qhov qub. Vim hais tias, nyob rau hauv kev muaj tiag, qhov no ua rau ib tug muaj zog resonance ntawm lub cev muaj zog, ua rau ib tug tawm ntawm lub xeev. Lub cev muaj zog yuav tsum tau kho kom ruaj ntseg.
5) Rau 5-theem lub cev muaj zog, yog tias theem txuas tsis raug, lub cev muaj zog yuav tsis ua haujlwm.
8. Kuv puas tuaj yeem tswj hwm lub tshuab servo ncaj qha los ntawm kev sib txuas lus?
Tseeb, nws kuj yog qhov yooj yim heev, tsuas yog qhov teeb meem ceev, rau cov ntawv thov uas tsis xav tau cov lus teb ceev. Yog tias yuav tsum muaj cov lus teb ceev ceev, nws yog qhov zoo tshaj plaws los siv daim npav servo motion control, uas feem ntau muaj DSP thiab high-speed logic processing circuits kom ua tiav high-speed thiab high-precision motion control. Xws li S-acceleration, multi axis interpolation, thiab lwm yam.
9. Puas yog siv lub tshuab hluav taws xob hloov hluav taws xob rau lub zog stepper thiab DC lub cev muaj zog?
Feem ntau nws yog qhov zoo tshaj plaws tsis txhob siv, tshwj xeeb tshaj yog rau lub siab torque motors, tshwj tsis yog siv lub zog hloov hluav taws xob uas ntau tshaj ob npaug ntawm lub zog xav tau. Vim hais tias lub cev muaj zog ua haujlwm nyob rau hauv ib qho loj inductive load, nws yuav tsim instantaneous high voltage ntawm lub hwj chim mov kawg. Txawm li cas los xij, kev ua haujlwm dhau ntawm cov khoom siv hluav taws xob hloov pauv tsis zoo, uas tuaj yeem tiv thaiv lawv los ntawm kev xa tawm, thiab lawv cov kev tswj hwm qhov hluav taws xob tsis tsim nyog, uas tej zaum yuav ua rau muaj kev puas tsuaj rau cov khoom siv hluav taws xob hloov hluav taws xob thiab cov tsav tsheb. Ib lub nplhaib pa lossis R-hom transformer tuaj yeem siv los hloov DC fais fab mov.
10. Nws puas tuaj yeem siv qhov hluav taws xob DC ntawm ± 10V lossis 4-20mA los tswj lub tshuab stepper?
Yog lawm, tab sis yuav tsum muaj kev hloov dua siab tshiab ntxiv.
11. Puas muaj peev xwm siv tus tsav tsheb servo nrog tsuas yog qhov chaw nres nkoj tachometer los tswj lub servo lub cev muaj zog nrog kev tawm tswv yim encoder?
Tseeb, nws yuav tsum tau nruab nrog ib tug encoder rau tachometer teeb liab module.
Lub encoder ib feem ntawm lub servo lub cev muaj zog yuav disassembled?
Nws yog txwv tsis pub disassemble vim hais tias cov quartz pieces nyob rau hauv lub coding disc yog nquag tawg, thiab tom qab nkag mus rau hauv cov plua plav, lawv lifespan thiab raug tsis tau guaranteed, yuav tsum tau kev cob cog rua.
Stepper thiab servo motors puas tuaj yeem raug tshem tawm rau kev kho lossis hloov kho?
Tsis yog, nws yog qhov zoo tshaj kom cov neeg tsim khoom ua nws. Yog tsis muaj cov cuab yeej tshaj lij, nws nyuaj rau nruab nws rov qab mus rau nws lub xeev qub tom qab disassembly, thiab qhov sib txawv ntawm lub cev muaj zog rotor thiab stator tsis tuaj yeem lav. Kev ua tau zoo ntawm cov khoom siv hlau nplaum yog puas, txawm tias ua rau demagnetization thiab txo qis hauv lub cev muaj zog torque.
14. Tus tswj servo puas tuaj yeem pom cov kev hloov pauv ntawm cov khoom siv sab nraud?
Yog tias ntsib teeb meem tiv thaiv, nres, rov qab los, los yog tuav ib theem ntawm kev rov qab los.
Puas tuaj yeem tsav tsheb hauv tsev lossis lub cev muaj zog tuaj yeem ua ke nrog cov tshuab zoo txawv teb chaws lossis cov tsav tsheb?
Nyob rau hauv txoj cai, nws yog ua tau, tab sis nws yog tsim nyog los to taub lub technical parameters ntawm lub cev muaj zog ua ntej nws yuav siv tau, txwv tsis pub nws yuav zoo heev txo cov kev xav tau ntawm cov nyhuv thiab txawm muaj kev cuam tshuam rau lub sij hawm ntev thiab lifespan. Nws yog qhov zoo tshaj los sab laj nrog tus neeg muag khoom ua ntej txiav txim siab.
Puas yog nws muaj kev nyab xeeb los siv DC lub zog hluav taws xob ntau dua li qhov ntsuas hluav taws xob los tsav lub cev muaj zog?
Nquag, qhov no tsis yog teeb meem ntev npaum li lub cev muaj zog ua haujlwm nyob rau hauv qhov kev txwv ceev thiab tam sim no. Vim hais tias lub cev muaj zog ceev yog ncaj qha proportional rau lub cev muaj zog kab voltage, xaiv ib tug tej yam hwj huam mov voltage yuav tsis ua rau overspeeding, tab sis yuav ua rau tus neeg tsav tsheb thiab lwm yam malfunctions.
Tsis tas li ntawd, nws yog ib qho tsim nyog los xyuas kom meej tias lub cev muaj zog ua tau raws li qhov tsawg kawg nkaus inductance yuav tsum tau ntawm tus neeg tsav tsheb, thiab tseem yuav tsum xyuas kom meej tias lub teeb tam sim no txwv tus nqi tsawg dua los yog sib npaug rau cov ntsuas tam sim no ntawm lub cev muaj zog.
Qhov tseeb, nws yuav zoo yog tias koj tuaj yeem ua kom lub cev muaj zog khiav qeeb (hauv qab qhov ntsuas hluav taws xob) hauv cov cuab yeej koj tsim.
Kev khiav ntawm qhov hluav taws xob qis dua (thiab yog li qhov qis dua) yuav ua rau muaj qhov rov qab ntawm cov txhuam hniav tsawg dua, hnav tsawg dua ntawm cov txhuam hniav / commutators, qis dua tam sim no, thiab lub cev muaj zog ntev dua.
Ntawm qhov tod tes, yog tias qhov kev txwv loj thiab kev ua tau zoo ntawm lub cev muaj zog xav tau ntxiv torque thiab ceev, dhau ntawm kev tsav lub cev muaj zog kuj tau txais, tab sis nws yuav txi cov khoom siv lub neej.
Yuav ua li cas xaiv lub hwj huam uas tsim nyog rau daim ntawv thov?
Nws raug nquahu kom xaiv tus nqi hluav taws xob hluav taws xob uas yog 10% -50% siab dua qhov siab tshaj qhov yuav tsum tau muaj qhov voltage. Qhov feem pua ​​no txawv ntawm Kt, Ke, thiab qhov hluav taws xob poob hauv qhov system. Tus nqi tam sim no ntawm tus neeg tsav tsheb yuav tsum txaus kom xa lub zog xav tau rau daim ntawv thov. Nco ntsoov tias qhov tso zis voltage tus nqi ntawm tus neeg tsav tsheb sib txawv ntawm cov khoom siv hluav taws xob, yog li cov zis tam sim no ntawm tus tsav tsheb kuj txawv ntawm cov khoom siv tam sim no. Txhawm rau txiav txim siab qhov tsim nyog cov khoom siv hluav taws xob tam sim no, nws yuav tsum suav tag nrho cov kev xav tau ntawm lub zog rau daim ntawv thov no thiab nce lawv li 5%. Tus nqi tam sim no xav tau tuaj yeem suav nrog siv tus qauv I=P/V.
Nws raug nquahu kom xaiv tus nqi hluav taws xob hluav taws xob uas yog 10% -50% siab dua qhov siab tshaj qhov yuav tsum tau muaj qhov voltage. Qhov feem pua ​​no txawv ntawm Kt, Ke, thiab qhov hluav taws xob poob hauv qhov system. Tus nqi tam sim no ntawm tus neeg tsav tsheb yuav tsum txaus kom xa lub zog xav tau rau daim ntawv thov. Nco ntsoov tias qhov tso zis voltage tus nqi ntawm tus neeg tsav tsheb sib txawv ntawm cov khoom siv hluav taws xob, yog li cov zis tam sim no ntawm tus tsav tsheb kuj txawv ntawm cov khoom siv tam sim no. Txhawm rau txiav txim siab qhov tsim nyog cov khoom siv hluav taws xob tam sim no, nws yuav tsum suav tag nrho cov kev xav tau ntawm lub zog rau daim ntawv thov no thiab nce lawv li 5%. Tus nqi tam sim no xav tau tuaj yeem suav nrog siv tus qauv I=P/V.
18. Kuv tuaj yeem xaiv txoj kev ua haujlwm li cas rau servo tsav?
Tsis yog txhua hom sib txawv muaj nyob hauv txhua tus qauv ntawm cov tsav
19. Yuav ua li cas rau grounding tsav thiab system?
a. Yog tias tsis muaj kev sib cais ntawm AC lub zog hluav taws xob thiab tus tsav tsheb DC (xws li lub tshuab hloov hluav taws xob), tsis txhob muab cov chaw nres nkoj uas tsis muaj kev sib cais lossis cov cim tsis sib cais ntawm lub npav DC, vim qhov no yuav ua rau cov khoom puas thiab raug mob. Vim tias qhov hluav taws xob sib txuas rau kev sib txuas lus tsis yog rau hauv av, tej zaum yuav muaj qhov hluav taws xob siab ntawm DC tsheb npav hauv av thiab hauv av.
b. Nyob rau hauv feem ntau servo systems, tag nrho cov hauv av thiab hauv av sib txuas ua ke ntawm lub teeb liab kawg. Lub hauv av Circuit Court generated los ntawm ntau txoj kev sib txuas hauv av yog yooj yim cuam tshuam los ntawm lub suab nrov thiab generates ntws ntawm cov ntsiab lus sib txawv.
c. Yuav kom tswj tau qhov kev hais kom ua qhov voltage, lub teeb liab hauv av ntawm tus tsav tsheb yuav tsum tau txuas nrog lub teeb liab hauv av ntawm tus maub los. Nws kuj tseem yuav txuas nrog lub zog hluav taws xob sab nraud, uas yuav cuam tshuam rau kev ua haujlwm ntawm tus tswj hwm thiab tsav tsheb (xws li 5V fais fab mov ntawm lub encoder).
d. Grounding lub shielding txheej yog heev nyuaj, muaj ob peb txoj kev. Qhov tseeb shielding grounding point yog nyob rau ntawm qhov taw qhia muaj peev xwm nyob hauv Circuit Court. Cov ntsiab lus no nyob ntawm seb lub suab nrov thiab lub receiver yog ob qho tib si hauv av los yog ntab. Xyuas kom meej tias cov txheej thaiv thaiv yog hauv av ntawm tib qhov chaw kom cov av tam sim no tsis ntws los ntawm cov txheej thaiv thaiv.
Vim li cas lub reducer tsis phim lub cev muaj zog raws nraim ntawm tus qauv torque point?
Yog hais tias peb xav txog qhov siab tshaj plaws torque tsim los ntawm lub cev muaj zog los ntawm lub reducer, ntau qhov kev txo qis yuav nyob deb tshaj qhov torque theem ntawm lub reducer.
Yog tias peb yuav tsim txhua tus reducer kom phim tag nrho lub zog, yuav muaj ntau qhov sib xyaw ua ke ntawm cov iav sab hauv hauv lub reducer (loj ntim, ntau cov ntaub ntawv).
Qhov no yuav ua rau cov khoom lag luam siab thiab ua txhaum txoj cai ntawm "kev ua haujlwm siab, ntim me me" ntawm cov khoom.
Yuav ua li cas xaiv cov khoom xws li hluav taws xob lub tog raj kheej, zawv zawg rooj, thiab precision platforms? Nws cov nqi raug xam li cas?
Tus yuam sij rau kev xaiv cov khoom siv actuator nyob ntawm koj qhov yuav tsum tau ua rau cov lus tsa suab. Koj tuaj yeem txiav txim siab txog cov xwm txheej tshwj xeeb xws li kev txav tsis tau raws li daim ntawv thov koj xav tau. Cov kev txwv no yuav tsum ua kom tau raws li koj qhov kev xav tau tiag tiag, ua tau raws li daim ntawv thov thiab tawm hauv chav rau kev txhim kho, tab sis tsis txhob tsa lawv siab dhau. Txwv tsis pub, tus nqi yuav yog ob peb zaug siab dua li ntawm cov khoom txheem. Piv txwv li, yog tias {{0}}.1mm qhov tseeb txaus, tsis txhob xaiv qhov parameter ntawm 0.01mm. Tib yam siv rau lwm yam xws li lub peev xwm thauj khoom thiab ceev.
Lwm qhov kev xaiv xaiv rau cov neeg siv yog tias nws tsis tsim nyog, peb lub ntsiab tsis muaj kev sib tw, nro lossis thauj khoom, ceev, thiab qhov tseeb ntawm qhov chaw yuav tsum tsis txhob yuav tsum tau siab nyob rau tib lub sijhawm, vim hais tias lub actuator yog ib tug high-precision thiab high-tech electromechanical integrated khoom. Thaum tsim thiab tsim khoom, peb yuav tsum xav txog thiab xaiv qhov sib xyaw ua ke ntawm lub cev muaj zog los ntawm ntau yam xws li cov qauv siv tshuab, kev ua haujlwm hluav taws xob, cov yam ntxwv ntawm cov khoom siv, cov khoom siv, thiab cov txheej txheem ua haujlwm Cov khoom siv tsav thiab cov lus tawm tswv yim, nrog rau cov qib sib txawv ntawm cov lus qhia. , screws, txhawb lub rooj zaum, thiab lwm yam kev siv tshuab, pab kom lawv ua tiav qhov kev xav tau tag nrho, ua rau nws yog ib yam khoom uas tuaj yeem hais kom rub tag nrho lub cev ua ke. Tau kawg, yog tias koj muaj cov khoom lag luam siab, peb tseem tuaj yeem ua tau raws li lawv, tab sis tus nqi yuav nce ntxiv.