Qhov sib txawv ntawm kev siv cov motors sib txawv hauv cov yeeb nkab dabtsi yog khoov tshuab

Qhov sib txawv ntawm kev siv cov motors sib txawv hauv cov yeeb nkab dabtsi yog khoov tshuab

Muaj ob hom motors siv nyob rau hauv cov yeeb nkab dabtsi yog khoov tshuab: stepper motors thiab AC servo motors. Rau CNC txiav tshuab, lub zog ntawm lub tshuab stepper tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm lub tshuab. Txawm li cas los xij, qee cov neeg siv khoom xaiv Panasonic AC servo motors los ntawm Nyiv. Vim li cas thiaj muaj qhov sib txawv? Niaj hnub no, cia kuv piav qhia qhov txawv ntawm ob hom motors hauv Plaub Seas Era CNC.

1. Kev sib piv ntawm stepper motors thiab AC servo motors

Stepper lub cev muaj zog yog ib qho khoom siv sib cais uas muaj feem cuam tshuam nrog cov cuab yeej digital tswj niaj hnub. Hauv kev tswj hwm digital tam sim no hauv Suav teb, stepper motors tau siv dav. Nrog rau qhov tshwm sim ntawm tag nrho cov digital AC servo systems, AC servo motors tau nce siv hauv cov tshuab tswj digital. Txhawm rau hloov mus rau txoj kev loj hlob ntawm kev tswj hwm digital, stepper motors lossis tag nrho cov digital AC servo motors feem ntau yog siv los ua cov thawj coj hauv kev tswj cov tshuab. Txawm hais tias ob qho tib si muaj cov kev tswj hwm zoo sib xws (miv lub tsheb ciav hlau thiab cov teeb liab taw qhia), muaj qhov sib txawv tseem ceeb hauv kev ua tau zoo thiab daim ntawv thov scenarios. Tam sim no cia peb piv qhov kev ua tau zoo ntawm ob.

2. Kev tswj qhov tseeb ntawm ob qhov sib txawv

Lub kaum sab xis ntawm ob-theem hybrid stepper lub cev muaj zog feem ntau yog 3.6 degree thiab 1.8 degree, thaum ntawm tsib theem hybrid stepper motor feem ntau yog 0.72 degree thiab 0.36 degree . Kuj tseem muaj qee qhov kev ua haujlwm siab stepper motors nrog cov kauj ruam me me. Stepper lub cev muaj zog tsim los ntawm Sitong tuam txhab rau qeeb hlau txiav tshuab cov cuab yeej, nrog rau lub kaum sab xis ntawm {{10}}.09 degree ; Peb-theem hybrid stepper lub cev muaj zog tsim los ntawm BERGER LAHR hauv lub teb chaws Yelemees muaj lub kaum sab xis uas tuaj yeem teem rau 1.8 degree, 0.9 degree, 0.72 degree, 0.36 degree , 0.18 degree , 0.09 degree , 0.072 degree , thiab 0.036 degree los ntawm kev hu xov tooj. Nws yog sib xws nrog cov kauj ruam kaum ntawm ob-theem thiab tsib theem hybrid stepper motors.

Kev tswj qhov tseeb ntawm AC servo lub cev muaj zog yog ua kom ntseeg tau los ntawm lub tshuab hluav taws xob teb ntawm qhov kawg ntawm lub tshuab tsav. Noj Panasonic's tag nrho cov AC servo lub cev muaj zog ua piv txwv, rau lub cev muaj zog nrog tus qauv 2500 kab encoder, vim yog siv plaub lub zaus siv tshuab hauv tus neeg tsav tsheb, nws cov mem tes sib npaug yog 360 degree /10000=0.036 degree . Rau lub cev muaj zog nrog 17 ntsis encoder, tus neeg tsav tsheb tau txais 217=131072 pulses ib lub cev muaj zog kiv puag ncig, uas txhais tau tias nws cov mem tes sib npaug yog 360 degree /131072=9.89 vib nas this. Nws yog 1/655 ntawm cov mem tes sib npaug ntawm lub cev muaj zog stepper nrog lub kaum sab xis ntawm 1.8 degree.

3. Cov yam ntxwv sib txawv tsawg zaus

Stepper motors yog nquag mus rau tsawg zaus kev vibration ntawm tsawg ceev. Lub vibration zaus muaj feem xyuam rau qhov teeb meem ntawm kev thauj khoom thiab kev ua haujlwm ntawm tus neeg tsav tsheb. Nws yog feem ntau ntseeg hais tias qhov kev vibration zaus yog ib nrab ntawm qhov tsis muaj-load dhia zaus ntawm lub cev muaj zog. Qhov tshwm sim tsis tshua muaj kev vibration uas txiav txim siab los ntawm lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm lub tshuab stepper yog qhov cuam tshuam rau kev ua haujlwm ntawm lub tshuab. Thaum lub stepper lub cev muaj zog ua haujlwm ntawm qhov qis qis, damping thev naus laus zis feem ntau yuav tsum tau siv los kov yeej qhov tshwm sim tsis tshua muaj kev vibration, xws li ntxiv dampers rau lub cev muaj zog lossis siv cov cuab yeej subdivision ntawm tus tsav tsheb.

Lub AC servo lub cev muaj zog ua haujlwm zoo heev, thiab tsis muaj kev vibration txawm tias qis qis. Lub AC servo system muaj resonance suppression muaj nuj nqi

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