Yuav ua li cas xaiv stepper tsav thiab servo lub cav rau luam ntawv machinery
Cov qauv siv ntawm cov tshuab luam ntawv muaj xws li ib txoj hlua ncaj nraim, ib lub cav qeeb, muaj lub cev qeeb, thiab lwm yam. Ntawm lawv, linear motor tswj tsav phaj, keeb kwm hloov thiab sib nqus sawb, nyeem taub hau thiab encoder. Taws txoj cai tswj nres nres nres, cov cim encoders, cov laug cam, thiab lwm yam.
Raws li kev kho vaj tse, kev siv hluav taws xob thiab kev siv hluav taws xob ntawm txoj kev tsim cov kab ntau lawm, tseem muaj ntau hom kev lag luam. Txoj cai ua hauj lwm ntawm cov motors no feem ntau yog tib yam li cov pa hluav taws xob asynchronous thiab DC motors. Cov ntsiab lus yooj yim zoo sib xws, tiam sis lawv muaj lawv tus cwj pwm tshwj xeeb hauv kev ua tau zoo, kev ua tus qauv thiab kev tsim tawm, thiab feem ntau yog siv cov txheej txheem kev tswj. Feem ntau, lub zog ntawm cov motors no tsis loj, tsuas yog me me feem ntawm ib lub watt, thiab ib lub loj tsuas yog ob peb lub kaum ntawm watts lossis pua pua watts, uas yog ntau ntawm micromotors. Qee leej muaj rau theem ntawm cov cavtswj, thiab qee leej muaj rau cov qeb ntawm cov kev pabcuam (servo motors). Niaj hnub no, tsab xov xwm no tawm tswv yim txog kev loj hlob sai ntawm cov tshuab luam ntawv automation, yuav tsum luam ntawv xaiv cov cav ntoo lossis kev pabcuam cav?
Vim muaj kev loj hlob sai ntawm automation, kev tsim qauv thiab kev siv cov tshuab luam ntawv, muaj ntau qhov kev thov rau micromotors hauv tshuab luam ntawv. Tam sim no, ntau cov cav ntoo thiab cov servos uas siv rau hauv cov khoom siv luam ntawv.
Peb lub cav, hluav taws xob thiab lub tshuab hluav taws xob. Cov lus qhia no muaj cov ncauj lus txhawb zog thiab cov kev pab cuam servo.
Stepper tsav
Feem ntau, lub cev muaj zog tas li, thiab lub kauj ruam ntawm lub kauj ruam yog hloov kauj ruam ntawm kauj ruam, yog li ntawd nws yog hu ua kauj ruam tsav. Txhua lub sij hawm muaj cov teeb meem mem tes, lub tshuab qog tig los ntawm qee lub kaum sab xis (qee lub kauj vab khiav ncaj qha tawm ncaj tawm ncaj qha, hu ua linear motor). Vim li no, tus tsav tsheb yog tus neeg ua haujlwm uas hloov cov mem tes mus rau ib qho kev xa tawm ntawm sab nraud (los yog kev xa tawm).
Lub rotor ntawm kev ua lub kauj vab qis muaj ntau tus qauv xa tawm. Tus stator yog kos nrog ib lub hnub sib txuas nrog lub hnub qub uas muaj kab sib txuas hnub qub. Cov teeb meem hluav taws xob fais fab yog lub tswv yim los ntawm tshwj xeeb lub hwj chim. Txhua lub suab paj nruag teebmeem yog tswv yim, thiab cov kauj ruam ua haujlwm rotor txav ib kauj ruam ntxiv. Vim tias cov tswv yim yog lub teeb mem tes, qhov kev xaav ntawm cov zis yog sib quas ntus, yog li nws tseem hu ua pulse motor.
Nrog rau cov kev tswj cov tshuab digital, daim ntawv thov ntawm cov cav tov hauv tshuab luam ntawv yuav maj mam nthuav. Piv txwv, hauv CPCI tswj tsev nyob rau hauv Heidelberg offset nias nyob hauv lub teb chaws Yelemees, plaub teev ntawm 36 cov kauj ruam yog siv los hloov tus thawj tus cwj pwm ntawm lub viav vias.
Servo tsav
Lub cav servo kuj hu ua cav qis, lossis tswj kev tsav tsheb. Hauv kev tswj tsis siv neeg, lub cav servo yog ib qho actuator uas ua kom hloov lub teeb liab (tswj qhov hluav taws xob los yog theem) rau txhua qhov chaw tawm, uas yog, hloov cov hluav taws xob tau txais los ntawm qee qhov kev sib nraus los yog kev hloov ntawm lub cev. Lub peev xwm feem ntau yog 0.1-100W, thiab feem ntau siv yog 30W los yog tsawg dua. Servo motor muaj DC thiab AC khiav ntawm qhov tam sim no, nyob rau hauv cov tshuab luam ntawv AC thiab DC servo motor muaj kev siv, feem ntau yog siv DC servo electric.
AC servo tsav
Tus qauv ntawm AC servo lub cev muaj zog stator yog zoo ib yam li uas muaj peev xwm phom sij ib zaug ib zaug asynchronous lub cev. Tus stator yog nruab nrog ob txoj hlua uas muaj qhov sib txawv ntawm 90 °, thiab ib qho yog qhov kev ua cua nrawm Rf, uas yog ib txwm txuas nrog AC voltage Uf; tus tod yog tus tswj winding L, coupled rau cov teeb liab tswj qhov teeb meem UC. Yog li, AC servo tsav kuj hu ua ob servo motors.