Linear Stepper Actuator

Linear stepper actuator buɗaɗɗen na'urar tuƙi ce mai sarrafa madaidaiciya madaidaiciya wacce ke haɗa ma'aunin motsi kai tsaye tare da injin watsa layin layi, kuma yana samun madaidaicin motsi ta hanyar sarrafa siginar bugun jini. Mai aikin motsa jiki na linzamin kwamfuta na'urar lantarki ce wacce ke juyar da siginonin bugun jini na lantarki zuwa madaidaiciyar matsuguni na madaidaiciya, yana haɗa halayen tuƙi na injin stepper tare da ikon fitar da motsi na madaidaiciya. Ana amfani dashi ko'ina a cikin yanayin da ke buƙatar madaidaicin matsayi amma baya buƙatar babban rufaffiyar - sarrafa madauki.

Mahimman siffofi na Linear stepper actuator sune tsari mai sauƙi, ƙananan farashi, da matsayi ba tare da amsawa ba, dace da yanayin aiki na atomatik tare da ƙananan matsakaici zuwa matsakaici da ƙananan matsakaici, kamar bugu na 3D, kayan aikin likita, marufi mai sarrafa kansa, da dai sauransu.

Theka'idar aikinaLinear stepper actuator yana dogara ne akan mataki -ta{1}} halayen jujjuyawa mataki na stepper Motors:

mai sarrafawa yana aika siginar bugun jini don fitar da motar stepper don juyawa mataki zuwa mataki a kafaffen kusurwa (kamar 1.8 digiri / mataki), sa'an nan kuma ya canza motsin juyawa zuwa motsi na layi ta hanyar hanyoyin watsawa kamar su skru da gears. Ga kowane bugun jini na shigarwa, mai kunnawa yana motsa tazarar tsayayyen mataki (yawanci a cikin micrometers), kuma ƙaura ya yi daidai da adadin bugun jini. Zai iya cimma buɗaɗɗen sarrafawar madaidaici ba tare da firikwensin amsa ba kuma yana da tsari mai sauƙi.

A tsari, mai aiki da linzamin kwamfuta stepper yawanci ya ƙunshi sassa uku:

na'ura mai tuƙi (motar mai motsi da kewayar tuƙi), sashin watsawa (ƙugiyar ƙwallon ƙwallon ƙafa ko trapezoidal screw, alhakin jujjuya juyi zuwa motsi na layi), da tsarin jagora (biyoyin layi ko hanyoyin jagora, tabbatar da motsi mai santsi). Wasu samfura suna haɗa maɓallan iyaka don hana aikin wuce gona da iri da sauƙaƙe ƙirar tsarin.

Aikace-aikacen yana mai da hankali kan yanayin daidaita ƙananan ƙananan zuwa matsakaici:

nozzle feed for 3D printers, worktable drive for small CNC inji kayan aikin, samfurin canja wuri ga dakin gwaje-gwaje aiki da kai kayan aiki, kashi kula da kiwon lafiya na'urorin (kamar jiko farashinsa), ruwan tabarau mayar da hankali ga tsaro kayan aiki, da dai sauransu Its abũbuwan amfãni kwance a cikin ƙananan kudin idan aka kwatanta da servo tsarin, sauki iko, babu bukatar hadaddun rufaffiyar - madauki circuits, kuma babu vibration} a lokacin low {{{. Linear stepper actuator ya dace da yanayin motsi na tsaka-tsaki tare da nauyin haske da babban maimaitawa. Daidaiton matakin yawanci zai iya kaiwa ± 0.01mm, yana biyan buƙatun mafi ƙanana da matsakaita{7}} na'ura mai girman kai.

Anan mun gabatar da Jagoran Rail Rail -a cikin Module na layi, TMTH8 gare ku kamar haka:

Kuna marhabin da kallon ƙarin ayyuka ko ziyarci gidan yanar gizon mu ta Youtube: https://www.youtube.com/@tallmanrobotics

Akwai bambance-bambance masu mahimmanci tsakanin masu kunna injin stepper na linzamin kwamfuta da masu kunna motar servo na linzamin kwamfuta dangane da hanyoyin sarrafawa, halayen aiki, da yanayin da suka dace. Musamman bambance-bambancen su ne kamar haka:

1. Ka'idodin kulawa daban-daban

Motar motsa jiki na linzamin kwamfuta: yana ɗaukar buɗaɗɗen sarrafa madauki, yana motsa motar don juyawa (ko motsawa a madaidaiciyar layi) a ƙayyadaddun nisan mataki ta hanyar karɓar siginar bugun jini, kuma ƙaura ta yi daidai da adadin bugun jini, ba tare da buƙatar na'urorin ra'ayoyin matsayi ba. Muddin siginar bugun jini daidai ne, za a iya cimma motsin saiti, amma ba za a iya gane ko ainihin matsayin ya kauce wa koyarwar ba.

Motar servo mai linzamin kwamfuta: yana ɗaukar rufaffiyar - sarrafa madauki, yana haɗa na'urorin firikwensin matsayi (kamar grating ruler, encoder), da mayar da ainihin matsayi da sauri ga mai sarrafawa a cikin ainihin lokaci. Mai sarrafawa yana kwatanta ƙimar umarni tare da ƙimar amsawa, yana daidaita fitarwa cikin ƙarfi don tabbatar da daidaiton motsi, kuma yana iya gyara ɓarna da canje-canjen kaya da kurakuran injina suka haifar.

2. Daban-daban daidaici da iya sarrafa kuskure

Mai kunna motar motsa jiki na linzamin kwamfuta: daidaito ya dogara da daidaiton kusurwar mataki (ko matakin madaidaiciya), ba tare da damar gyara kuskure ba. Idan nauyin ya yi girma da yawa kuma mitar bugun jini ya yi yawa, za a iya samun asarar mataki (maurawar gaske bai wuce ƙauran da aka umarta ba), kuma kurakurai za su taru. Daidaiton matakin yawanci ± 0.01mm 0.1mm.

Motar servo mai linzamin layi: Gyara kuskuren ainihin lokaci ta hanyar rufaffiyar amsa ta hanyar rufaffiyar - amsawar madauki, ƙarfin tsoma baki mai ƙarfi, ingantaccen maimaitawa (har zuwa ± 0.001mm 0.01mm), koda kuwa akwai jujjuyawar lodi ko tsangwama na waje, ana iya mayar da shi zuwa matsayin da aka umarta ta hanyar daidaitawa ba tare da kuskuren tarawa ba.

3. Gudun daban-daban da amsa mai ƙarfi

Motar motsa jiki na linzamin linzamin kwamfuta: ƙaƙƙarfan aiki mai ƙarfi-, amma mai saurin girgizawa da asarar mataki yayin aiki mai girma{1}}, kuma ƙarfin fitarwa yana raguwa tare da ƙara saurin gudu (akwai haɗarin “asara mataki”), dace da ƙananan - sauri da yanayin motsi na tsaka-tsaki.

Motar servo mai linzamin kwamfuta mai kunnawa: Tare da amsa mai sauri{0}} da kuma rufe{1}} sarrafa madauki, yana iya kiyaye ingantaccen fitarwa akan kewayon saurin gudu. Hanyoyin hanzari da raguwa sun fi santsi, suna sa ya dace da yanayin yanayin da ke buƙatar farawa da sauri ko ci gaba mai girma - motsi na sauri.

4. Daban-daban iya aiki da karfin juyi halaye

Mai kunna motar motsa jiki na linzamin kwamfuta: Ƙarfin fitarwa (ko turawa) yana raguwa tare da ƙara saurin gudu. A cikin ƙananan gudu, karfin juyi ya fi girma, amma a cikin babban gudu, yana da wuya a yi nauyi a karkashin nauyi mai nauyi. Ya dace da nauyin nauyi (yawanci ƙasa da 500N) da ƙananan yanayin inertia.

Mai kunna injin servo na layi: Ta hanyar rufaffiyar - sarrafa madauki, ana iya daidaita ƙarfin fitarwa bisa ga canje-canjen kaya. Yana da ƙarfi mai ƙarfi -gudu da nauyi{3}} iyakoki, kuma yana iya kiyaye ƙaƙƙarfan tuƙi a cikin manyan gudu. Ya dace da al'amuran tare da matsakaici zuwa manyan lodi (har zuwa dubban newtons) da babban inertia.

5. Kuɗi daban-daban da rikitarwa

Mai kunna motar motsa jiki na layin linzamin kwamfuta: tsari mai sauƙi, babu buƙatar na'urori masu auna firikwensin ra'ayi, sauƙaƙe sarrafawa, ƙarancin farashi (yawanci 1/3 ~ 1/2 na tsarin servo), ƙarancin kuskure, dacewa da ƙanana da matsakaici- kayan aiki masu girma tare da iyakacin kasafin kuɗi.

Mai kunna injin servo na linzamin kwamfuta: yana buƙatar haɗa na'urori masu auna firikwensin da hadaddun rufaffiyar -madaidaicin madaidaicin algorithms, wanda ke da tsada, kuma gyara kurakurai mai sarrafawa (kamar daidaita ma'auni) ya fi rikitarwa, yana sa ya dace da ainihin kayan aiki tare da manyan buƙatun aiki.

6. Daban-daban m al'amura

Motar motsa jiki na linzamin linzamin kwamfuta: dace da ƙananan daidaito, nauyi mai sauƙi, ƙananan - yanayin maimaituwar motsi, irin su 3D bututun bututun bututun abinci, ƙananan kayan jigilar kaya, matakin matakin gwajin dakin gwaje-gwaje, sarrafa bawul ɗin kayan gida, da sauransu.

Motar servo na linzamin kwamfuta mai kunnawa: dace da tsayin -madaidaici, babban nauyi, babban{1}} yanayin martani mai tsauri, kamar sarrafa wafer semiconductor, yankan Laser, daidaitaccen mutummutumin taro, kayan aikin tiyata, da sauransu.

Takaitawa da Teburin Kwatanta

Lokacin zaɓe, ya zama dole a yi cikakken hukunci dangane da buƙatun aikace-aikacen don daidaito, saurin gudu, kaya, da kasafin kuɗi: don yanayi masu sauƙi da sauƙi, an fi son matakin hawa, yayin da maɗaukaki - madaidaici da babban yanayin yanayi, ana buƙatar servo.