Tus qauv dav dav ntawm hluav taws xob Servo system rau cov neeg siv hluav taws xob rau kev siv hluav taws xob yog peb txoj hlua khi, piv txwv li lub voj ceev. Feem ntau, rau AC servo drives, muaj ntau yam kev ua haujlwm xws li txoj haujlwm tswj, ceev tswj, torque tswj, thiab lwm yam teeb tsa lawv cov kev ua haujlwm sab hauv.
01 Yuav ua li cas thiaj li xaiv tau cov servo tsav thiab stainer tsav?
A: Ua raws li daim ntawv thov tshwj xeeb, tsuas yog los txiav txim siab: qhov xwm txheej ntawm cov ntawv rov qab lossis ntsug, ua kom nrawm dua, cov kev tswj hwm sab saud (xws li cov Chaw nres nkoj interface thiab kev sib txuas lus yuav tsum tau), cov hom tseem ceeb yog txoj haujlwm, torque lossis hom ceev. Seb lub zog hluav taws xob yog DC lossis AC, lossis roj teeb hluav taws xob, hluav taws xob ntau. Raws li txiav txim siab txog lub cev muaj zog thiab kev tsav tsheb sib luag lossis cov qauv tswj hwm.
02 Kev xaiv ntawm stepper tsav lossis servo lub cev muaj zog system?
A: Qhov tseeb, kev xaiv ntawm lub cev muaj zog yuav tsum yog nyob ntawm daim ntawv thov tshwj xeeb, txhua tus muaj nws tus yam ntxwv.
03 Yuav ua li cas phim lub stepper tsav tsav tsheb?
A: Raws li lub cev muaj zog tam sim no, siv tus tsav npav uas loj dua lossis sib npaug rau qhov tam sim no. Yog tias yuav tsum muaj kev co lossis muaj qhov tseeb rau qhov yuav tsum muaj, siv tus tsav tsheb sib tshuam. Rau cov torque loj motors, siv lub zog voltage hom tsav kom ntau li ntau tau kom tau txais kev ua tau zoo ceev.
04 What is the difference between 042-phase and 5-phase stepper motors and how to choose?
A: {{2-} pose lub cev muaj zog tus nqi yog tsawg, tab sis nyob rau hauv qhov qis-ceev torque poob sai. 5-} theem lub cev muaj zog tsawg dua, ntau dua {5% siab dua li lub cev muaj zog servo tuaj yeem hloov nyob rau qee lub sijhawm.
05 Thaum xaiv DC Servo System, nws thiab AC servo Dab tsi yog qhov sib txawv?
A: DC Servo Motors tau muab faib ua txhuam hniav thiab txhuam cov roj.
Brushed lub motors yog tus nqi qis, cov qauv yooj yim, kev tswj hwm dav, tab sis yooj yim tswj hwm (hloov pa roj carbon monoxide), thiab ib puag ncig cov kev xav tau. Yog li nws tuaj yeem siv rau hauv ib qho chaw muaj kev lag luam thiab pej xeem uas nkag siab txog tus nqi.
Lub cev muaj zog me me yog qhov loj me, lub teeb nyob rau hauv cov lus teb, nrawm hauv inertia, du hauv kev sib hloov, du hauv lub zog thiab ruaj khov nyob rau hauv torque. Kev tswj hwm yog qhov yooj yim thiab yooj yim kom paub hom ntse, thiab theem hluav taws xob hloov tau yooj yim, uas tuaj yeem yog xwmfab yoj hloov lossis nqus dej sine. Lub cev muaj zog yog txij nkawm-dawb, muaj kev ua haujlwm siab, kev ua haujlwm tsawg, hluav taws xob hluav taws xob me me, thiab tuaj yeem siv ntau qhov chaw ib puag ncig.
Ac servo muaj lub cev muaj zog kuj tseem muaj lub cev muaj zog, muab faib ua cov khoom siv synchronous, tam sim no cov lus tsa suab, nws muaj peev xwm ua tau ntau lub zog. Loj Inertia, qhov kev sib hloov siab tshaj plaws yog tsawg thiab txo sai li lub zog nce ntxiv. Yog li, nws yog qhov haum rau cov ntawv thov kom nrawm khiav tau.
06 teeb meem kom them sai sai thaum siv lub cev muaj zog?
A: Sau cov tshuaj hauv qab no ua ntej kev siv zog thiab khiav:
(1) Cov hluav taws xob hluav taws xob hluav taws xob yog qhov tsim nyog (ntau dua-voltage yog yuav ua rau kev puas tsuaj rau kev tsav tsheb); Rau DC cov tswv yim +/- polarity yuav tsum tsis txhob txuas nrog qhov tsis raug, tsav lub cev muaj zog ntawm cov maub los lossis seb tus nqi tam sim no yog tsim nyog (tsis dhau qhov pib thaum pib);
(2) tswj cov kab cim sib txuas zoo, qhov zoo tshaj plaws lub chaw muaj kev tiv thaiv kev tiv thaiv (xws li kev siv ntawm twisted-khub cable);
(3) Tsis txhob pib qhov yuav tsum tau txuas tag nrho cov kab, tsuas yog cov txheej txheem yooj yim tshaj plaws, khiav zoo, thiab tom qab ntawd maj mam txuas.
(4) Nco ntsoov nrhiav cov txheej txheem hauv av, lossis siv cov huab cua ntab tsis txuas nrog.
(5) Pib khiav ib nrab ntawm ib teev kom pom cov xwm txheej ntawm lub cev muaj zog, pom tias qhov teeb meem thiab qhov teeb meem tam sim ntawd, tau pom tias qhov teeb meem tam sim ntawd kaw.
07 stepper tsav tsheb pib ua haujlwm, qee zaum txav me ntsis rau ntawm lub cev tsis txias me ntsis lossis tso tawm ntawm cov kauj ruam, qee zaum qhov teeb meem yog dab tsi?
07 Hauv qab no yuav tsum tau txiav txim siab rau kev tshuaj xyuas:
(1) Txawm hais tias lub cev muaj zog yog loj txaus los tsav lub nra, yog li peb feem ntau xav kom tus neeg siv lub cev muaj zog tsis tuaj yeem ua haujlwm dhau, txawm tias ib pliag , yuav ua rau poob ntawm kauj ruam, hnyav stalling lossis tsis xwm yeem nyob rau hauv situ pheej tsiv.
(2) whether the input stepping pulse current from the upper controller is large enough (generally >10ma) kom ruaj khov rau lub zog Optocouder conduction, seb cov kev pom zoo dhau heev, nws tseem tsim nyog los siv CMOP lub tswv yim hom ntawm tus tsav tsheb. Cov cuab yeej siv hluav taws xob me me rau hauv kev kawm yog tsim nyog rau koj cov xim.
(3) Txawm tias qhov pib ua ntej dhau lawm, txawm tias lub sijhawm pib ua haujlwm, txawm hais tias lub sijhawm pib ua ntej luv luv, Txwv tsis pub nws yuav tsis ruaj khov lossis txawm nyob hauv lub xeev inert.
(4) Thaum lub cev muaj zog tsis ruaj khov, tus mob no qee zaum tshwm sim, tom qab ntawd nws yog qhov qub. Qhov no yog vim tias lub cev muaj zog tiag tiag Reponates muaj zog nyob rau lub sijhawm no, ua rau nws nkag mus rau hauv lub xeev tawm ntawm-kauj ruam. Lub cev muaj zog yuav tsum muaj kev nyab xeeb.
(5) Rau {5-} page motors, lub cev muaj zog yuav tsis ua haujlwm txawm tias cov theem yog txuas nrog tsis raug.
08 Kuv xav tswj tus mob servo lub cev muaj zog ncaj qha los ntawm kev sib txuas lus, puas yog?
Yog lawm, nws yog qhov ua tau thiab yooj yim. Nws tsuas yog teeb meem ntawm kev nrawm, rau cov ntawv thov uas tsis tas yuav dhau ib qho kev teb nrawm. Yog tias koj xav tau teb nrawm rau cov tswj tsis pub muaj, nws yog qhov zoo tshaj plaws los siv Daim Ntawv Moos Lug thiab cov kev ntsuas siab ceev thiab nrawm nrawm. Xws li SIAB kev, Ntau-Axis Interpolation, thiab lwm yam ..
09 Puas yog nws zoo siv hloov fais fab tuag rau lub zog hluav taws xob ruam thiab DC lub cev muaj zog?
Feem ntau nws yog qhov zoo dua tsis yog rau, tshwj xeeb tshaj yog rau cov khoom siv hluav taws xob loj, tshwj tsis yog koj xaiv lub tshuab hloov hluav taws xob uas yog ntau dua ob npaug rau lub zog. Vim tias, thaum lub cev muaj zog ua haujlwm, nws yog lub thauj khoom loj hauv paus, uas yuav ua ib qho hluav taws xob ntau ntawm lub zog hluav taws xob sab. Cov khoom siv hluav taws xob ntau dhau yog qhov hloov hluav taws xob tsis zoo, nws yuav tiv thaiv lub kaw, qee zaum yuav ua rau kev puas tsuaj rau hloov fais fab tuag thiab tsav tsheb. Koj tuaj yeem siv lub torysalal lossis R-hom Transformer los hloov DC cov khoom siv fais fab.
10 Kuv xav siv ± 10V lossis 4 ~ 20MA DC voltage kom tswj lub tsheb loj stepper, kuv puas tuaj yeem?
Yog lawm, tab sis lwm qhov hloov pauv hloov pauv.
11 Muaj lub cev muaj zog servo nrog cov lus tawm tswv yim encoder, nws puas tuaj yeem tswj tau los ntawm tus neeg tsav tsheb servo nrog Tacho chaw nres nkoj nkaus xwb?
Yog lawm, ib qho encoder rau Tacho teeb liab module yuav tsum muaj.
12 Puas tuaj yeem Code Disk ntawm Servo Tsav Raug Rho Tawm?
Nws yog txwv tsis pub ua kom tau dismantle nws, vim hais tias quartz daim sab hauv qhov chaws disk yooj yim tawg, thiab tom qab nkag mus rau plua plav, thiab tom qab cov neeg ua haujlwm tshaj lij xav tau los kho nws.
13 Puas tuaj yeem nkag mus thiab Servo Motors puas tau rhuav tshem rau kev kho dua tshiab lossis hloov kho?
Tsis txhob ua, nws yog qhov zoo tshaj plaws kom cov chaw tsim khoom ua, rhuav tsis tau yooj yim rau nruab rov qab mus rau qhov qub, lub cev muaj zog tsis tuaj yeem lav cov ntsiab lus ntawm lub rotor stator. Cov khoom siv ntawm cov hlau nplaum steel khoom yog rhuav tshem, thiab txawm ua rau demagnetization, lub cev muaj zog torque tau zoo heev.
14 Tau qhov servo maub los kev nkag siab txog kev thauj khoom sab nraud?
Xws li nres, rov qab los yog tswj hwm qee yam thrust ua raws li thaum ntsib cov teeb tsis kam.
15 Tau cov tsav tsheb lossis lub cev muaj zog thiab lub cev txawv teb chaws zoo lossis tsav tsheb nrog?
Hauv txoj ntsiab cai, nws yog ua tau, tab sis nws yog ib qho tsim nyog los nrhiav tawm cov kev ntsuas ntawm lub cev muaj zog, tsis yog nws yuav cuam tshuam lub sijhawm ua haujlwm ntev thiab muaj sia. Nws yog qhov zoo dua los sab laj nrog tus xa khoom ua ntej txiav txim siab.
16 Puas yog nws muaj kev nyab xeeb siv DC cov kev pab hluav taws xob ntau dua li cov nqi ntsuas kom tsav lub cev muaj zog?
Feem ntau qhov no tsis yog teeb meem, ntev npaum li lub cev muaj zog sau hauv kev teeb tsa nrawm thiab txwv tsis pub tshaj. Txij li thaum lub cev muaj zog nrawm yog sib npaug rau lub cev muaj zog cov kab hluav taws xob, xaiv ib qho khoom siv hluav taws xob yuav tsis ua rau muaj qhov ua tsis tiav, tab sis ua tsis tiav xws li tsav tsheb swb yuav tshwm sim.
Ntxiv rau, nws yog ib qho tseem ceeb kom ntseeg tau tias lub cev muaj zog ua tau raws li kev tsav yam tsawg kawg nkaus, thiab tseem muaj kev txwv tam sim no los yog sib npaug ntawm qhov kev ntaus nqi tam sim no ntawm lub cev muaj zog.
Qhov tseeb, yog tias koj tuaj yeem tau txais lub cev muaj zog kom khiav qeeb qeeb (hauv qab no ntaus voltage) hauv kev teeb tsa koj tau tsim, qhov no zoo.
Khiav ntawm qhov qis dua voltage (thiab yog li ntawd qis dua ceev) yuav ua rau cov txhuam yau dua) yuav ua rau cov txhuam yau dua thiab tsis muaj kev hnav khaub ncaws, qis dua lub neej.
Ntawm qhov tod tes, yog tias muaj lub cev muaj zog txwv thiab kev ua tau zoo xav tau cov khoom siv ntxiv thiab nrawm, nthuav tawm cov khoom lag luam tau, tab sis ntawm cov nuj nqis ntawm lub neej.
17 Kuv yuav xaiv lub zog hluav taws xob kom tsim nyog rau kuv daim ntawv thov?
Nws raug nquahu kom xaiv cov khoom siv hluav taws xob muaj nuj nqis 10% -50% siab dua qhov xav tau ntau tshaj plaws. Qhov feem pua no txawv nyob ntawm kt, ke, thiab cov hluav taws xob poob qis hauv cov kab ke. Tus nqi tam sim no ntawm tus neeg tsav tsheb yuav tsum tau txaus kom xa lub zog uas yuav tsum tau los ntawm daim ntawv thov. Nco ntsoov tias cov zis hluav taws xob ntawm tus tsav tsheb tsis zoo ib yam li cov khoom siv hluav taws xob, yog li cov zis tam sim no tsis yog tib yam li cov tswv yim tam sim no. Txhawm rau txiav txim siab cov khoom siv kom tau tam sim no, laij txhua lub zog uas yuav tsum muaj rau daim ntawv thov thiab ntxiv 5%. Qhov kuv {{{= p / v mis yuav muab rau koj tus nqi tam sim no.
Nws raug nquahu kom xaiv cov khoom siv hluav taws xob muaj nuj nqis 10% -50% siab dua qhov xav tau ntau tshaj plaws. Qhov feem pua no txawv nyob ntawm kt, ke, thiab cov hluav taws xob poob qis hauv cov kab ke. Tus nqi tam sim no ntawm tus neeg tsav tsheb yuav tsum tau txaus kom xa lub zog uas yuav tsum tau los ntawm daim ntawv thov. Nco ntsoov tias cov zis hluav taws xob ntawm tus tsav tsheb tsis zoo ib yam li cov khoom siv hluav taws xob, yog li cov zis tam sim no tsis yog tib yam li cov tswv yim tam sim no. Txhawm rau txiav txim siab cov khoom siv kom tau tam sim no, laij txhua lub zog uas yuav tsum muaj rau daim ntawv thov thiab ntxiv 5%. Qhov kuv {{{= p / v mis yuav muab rau koj tus nqi tam sim no.
18 Lub sijhawm ua haujlwm twg kuv tuaj yeem xaiv rau lub servo tsav?
Cov qauv sib txawv tsis yog txhua tus nyob hauv txhua qhov tsav tsav.
19 Yuav ua li cas tsav thiab system ua kas?
a. Tsis txhob nyob hauv av tsis cais ntawm DC npav lossis cov cim tsis muaj menyuam yaus rau lub ntiaj teb DC (piv txwv li, hloov pauv), raws li qhov no yuav ua rau hauv kev puas tsuaj rau cov khoom siv thiab kev raug mob rau cov neeg ua haujlwm. Vim tias AC cov kev feem ntau tsis yog rau lub ntiaj teb, tej zaum yuav muaj qhov hluav taws xob ntau ntawm DC chaw tos npe DC thiab lub ntiaj teb.
b. Hauv feem ntau servo systems, tag nrho cov nquag thiab lub ntiaj teb thaj chaw tau txuas ua ke ntawm lub teeb liab kawg. Cov loople av tsim los ntawm ntau txoj kev sib txuas rau lub ntiaj teb yog qhov ua rau lub suab nrov uas tuaj yeem tsim cov ntsiab lus sib txawv.
c. Txhawm rau kom cov lus txib voltage tas li, txuas lub teeb liab teeb liab rau lub teeb liab teeb liab. Nws tseem yuav txuas nrog hauv av ntawm ib qho hluav taws xob muab hluav taws xob sab nraud, uas yuav cuam tshuam rau kev ua haujlwm ntawm tus tswj thiab tus tsav tsheb (piv txwv li 5v fais fab mov rau ib qho encoder).