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Xov xwm

Stepping Tsav thiab Servo Tsav Qhov txawv

stepper motors

Nrog rau txoj kev loj hlob ntawm kev tswj cov thev naus laus zis, feem ntau ntawm cov tshuab tswj kev txav tau sivstepper motorslos yog servo motors li execution motors. Txawm hais tias ob qho tib si hauv kev tswj hwm yog qhov zoo sib xws (pulse hlua thiab kev taw qhia teeb liab), tab sis nyob rau hauv kev siv cov kev ua tau zoo thiab kev siv lub sijhawm muaj qhov sib txawv loj.

Stepping motor & Servo motor

Tnws tswj txoj kev sib txawv

Stepping lub cev muaj zog (lub kaum sab xis ntawm lub mem tes, qhib-voj tswj): hluav taws xob pulse teeb liab yog hloov mus rau hauv lub angular txav los yog kab khiav ntawm qhov qhib-voj tswj, nyob rau hauv cov ntaub ntawv ntawm tsis-overload, lub cev muaj zog ceev, txoj hauj lwm ntawm qhov nres tsuas yog nyob ntawm qhov zaus ntawm lub teeb liab pulse thiab tus naj npawb ntawm pulses, tsis muaj kev cuam tshuam ntawm kev hloov pauv.

Stepper motors feem ntau yog cais raws li tus naj npawb ntawm theem, thiab ob-theem thiab tsib-theem stepper motors tau dav siv hauv kev ua lag luam. Ob-theem stepping lub cev muaj zog tuaj yeem muab faib ua 400 qhov sib npaug ntawm ib lub kiv puag ncig, thiab tsib-theem tuaj yeem muab faib ua 1000 qhov sib npaug, yog li cov yam ntxwv ntawm tsib-theem stepping motor zoo dua, luv dua acceleration thiab deceleration lub sij hawm, thiab qis dua. dynamic inertia. Lub kaum sab xis ntawm ob-theem hybrid stepping lub cev muaj zog feem ntau yog 3.6 °, 1.8 °, thiab lub kaum sab xis ntawm tsib-theem hybrid stepping motor feem ntau yog 0.72 °, 0.36 °.

servo lub cev muaj zog (lub kaum sab xis ntawm ntau lub pulses, kaw-voj tswj): servo lub cev muaj zog kuj yog los ntawm kev tswj cov naj npawb ntawm pulses, servo lub cev muaj zog tig lub kaum sab xis, yuav xa tawm cov xov tooj ntawm cov pulses, thaum tus neeg tsav tsheb kuj tau txais cov lus qhia. teeb liab rov qab, thiab lub servo lub cev muaj zog los tsim ib qho kev sib piv ntawm cov pulses, kom lub system yuav paub cov naj npawb ntawm pulses xa mus rau lub servo lub cev muaj zog, thiab nyob rau tib lub sij hawm muaj pes tsawg pulses tau txais rov qab, yuav muaj peev xwm tswj tau qhov kev sib hloov ntawm cov pulses. lub cev muaj zog heev. Lub precision ntawm lub servo lub cev yog txiav txim los ntawm qhov tseeb ntawm lub encoder (ntau kab), uas yog hais tias, lub servo lub cev muaj zog nws tus kheej muaj nuj nqi ntawm xa tawm pulses, thiab nws xa tawm cov xov tooj ntawm pulses rau txhua lub kaum ntse ntse. Kev sib hloov, kom lub servo tsav thiab lub servo lub cev muaj zog encoder pulses tsim ib qho ncha, yog li nws yog lub kaw-voj tswj, thiab lub kauj ruam lub cev muaj zog yog qhib-voj tswj.

Low-frequency yam ntxwv txawv

Stepping motor: low-frequency vibration yog ib qho yooj yim uas tshwm sim ntawm tsawg speeds. Thaum lub stepping lub cev muaj zog ua hauj lwm nyob rau hauv qis ceev, feem ntau yuav tsum tau siv damping technology kom kov yeej qhov tsawg-frequency vibration tshwm sim, xws li ntxiv ib tug damper ntawm lub cev muaj zog, los yog tsav tsheb siv subdivision technology.

Servo lub cev muaj zog: kev ua haujlwm du heev, txawm tias qhov nrawm nrawm yuav tsis tshwm sim tshwm sim.

Tnws lub sij hawm-zaus yam ntxwv ntawm txawv

Stepping lub cev muaj zog: cov zis torque txo nrog kev nce ceev, thiab nws txo qis ntawm qhov nrawm dua, yog li nws qhov siab tshaj plaws ua haujlwm ceev feem ntau yog 300-600r / min.

Servo lub cev muaj zog: tsis tu ncua torque tso zis, uas yog, nyob rau hauv nws rated ceev (feem ntau 2000 los yog 3000 r / min), cov zis rated torque, nyob rau hauv lub rated ceev tshaj lub zog tas li tso zis.

Different overload muaj peev xwm

Stepping motor: feem ntau tsis muaj peev xwm overload. Stepping lub cev muaj zog vim tias tsis muaj lub peev xwm dhau los, txhawm rau txhawm rau kov yeej kev xaiv ntawm lub sijhawm no ntawm inertia, feem ntau yuav tsum xaiv lub zog loj ntawm lub cev muaj zog, thiab lub tshuab tsis xav tau ntau lub zog thaum lub sijhawm ua haujlwm ib txwm muaj. yuav ib tug pov tseg ntawm torque phenomenon.

Servo motors: muaj peev xwm overload. Nws muaj peev xwm overload thiab torque overload. Nws qhov siab tshaj plaws torque yog peb npaug ntawm qhov ntsuas torque, uas tuaj yeem siv los kov yeej lub sijhawm ntawm inertia ntawm inertial loads hauv lub sijhawm pib ntawm inertia.

Dyog tias muaj kev ua haujlwm zoo

Stepping motor: stepping motor control for open-loop control, start zaus yog siab dhau lawm los yog loj heev load yog nquag plam cov kauj ruam los yog thaiv cov phenomenon ntawm stopping siab heev ceev yog prone rau qhov tshwm sim ntawm overshooting, thiaj li yuav xyuas kom meej. qhov tseeb ntawm nws txoj kev tswj hwm, yuav tsum tau daws qhov teeb meem ntawm kev nce thiab poob ceev.

servo lub cev muaj zog: AC servo tsav system rau kaw-voj tswj, tus neeg tsav tsheb tuaj yeem ncaj qha rau ntawm lub cev muaj zog encoder tawm tswv yim teeb liab, qhov muaj pes tsawg leeg ntawm txoj haujlwm voj thiab lub voj nrawm, feem ntau tsis tshwm sim hauv cov kauj ruam ntawm kauj ruam lossis cov kauj ruam. phenomenon ntawm overshooting, kev tswj kev ua tau zoo yog ntau txhim khu kev qha.

Speed teb kev ua tau zoo sib txawv

Stepping lub cev muaj zog: ceev los ntawm standstill mus rau kev ua hauj lwm ceev (feem ntau ob peb puas revolutions ib feeb) yuav tsum tau 200 ~ 400ms.

Servo lub cev muaj zog: AC servo system acceleration kev ua tau zoo dua, los ntawm standstill nrawm rau nws cov ntsuas ceev ntawm 3000 r / min, tsuas yog ob peb milliseconds, tuaj yeem siv rau cov kev xav tau ntawm kev pib-nres nrawm thiab qhov chaw raug qhov yuav tsum tau muaj ntawm kev tswj ntawm qhov siab. teb.

Cov lus pom zoo: https://www.kggfa.com/stepper-motor/


Lub sij hawm xa tuaj: Plaub Hlis-28-2024