Masiku ano, m'mahackers athu, ndizofala kwambiri kunyamula ma stepper motors omwe ali ndi axis ofanana ndi axis awo-makamaka tikawalumikiza ndi zomangira zotsogolera kapena magiya a nyongolotsi.Tsoka ilo, ma stepper motors sagwiritsidwa ntchito kwenikweni pamtundu woterewu, ndipo kuchita izi ndi mphamvu zambiri kumawononga mota.Koma musachite mantha.Ngati mukukumana ndi izi, [Voind Robot] imakupatsirani njira yosavuta koma yothandiza kwambiri yomwe imalola kuti stepper motor yanu igwire ntchito za axial popanda mavuto.
Pankhani ya [Voind Robot], adayamba ndi galimoto yoyendetsa nyongolotsi pa mkono wa robotic.Kwawo, mkono wosunthawo ungathe kuyika axial katundu wamkulu pamtengo wodutsa ndi nyongolotsi - mpaka 30 Newtons.Katundu woterowo amatha kuwononga ma mayendedwe amkati a stepper motor kwakanthawi kochepa, kotero adasankha kulimbitsa mbali ziwiri.Pofuna kuthetsa vutoli, anayambitsa ma thrust bearings awiri, mbali imodzi mbali zonse za shaft.Ntchito ya ma thrust bearings ndi kusamutsa mphamvu kuchokera ku shaft kupita ku nyumba yamoto, yomwe ndi malo amphamvu kwambiri ogwiritsira ntchito izi.
Njirayi ndi yophweka, makamaka pakhala zaka zoposa zisanu.Komabe, ndizofunikira kwambiri masiku ano kwa wopanga chosindikizira cha 3D poganizira kulumikiza wononga chotsogolera ku Z-axis stepper motor.Kumeneko, kugwedeza kumodzi kumatha kuthetsa kusewera kulikonse ndi kuchititsa kuti kumanga kukhale kolimba.Timakonda nzeru zamakina osavuta ngati izi.Ngati mukuyang'ana maupangiri ena osindikizira, onani [ya Moritz's] Workhorse Printer.
Inde, zaka zingapo zapitazo ndinapanga chosindikizira cha i3 chotchedwa i2 Samuel.Amapangidwa ndi thrust bearing pa z kuti athetse kupanikizika pa stepper
Kulemera kwa axial kovomerezeka kwa ma stepper motors ambiri sikudutsa misa *g.Ngati ndi zochulukirapo, kapangidwe kanu ndi kolakwika kapena kosangalatsa, ndipo ichi chimakhala choyamba.
lingaliro labwino.Mwa njira, kodi wina angandiuze komwe ndingagule ma bearing ang'onoang'ono?Ndili ndi mafani ochepa ochepa omwe ali ndi Doom™ rumble, koma amagwirabe ntchito.
"Chinyengochi ndi chosavuta, patha zaka zoposa zisanu."Inde, ndikuvomereza kuti kulimbikitsana kunapangidwa zaka zoposa zisanu zapitazo.
Ma motors a Stepper nthawi zambiri amawoneka kuti ali ndi gawo lina la axial yoyandama mu shaft ndipo amakhazikika ndi ochapira masika.Izi ndi kusunga katundu wa axial pazitsulo mkati mwa ndondomeko pamene galimoto ikuwotcha ndi kuwonjezereka kosiyanasiyana kwa kutentha.Makonzedwe asonyezedwa pano sapereka kuwonjezereka kwa matenthedwe, kotero pangakhalebe mavuto anthaŵi yaitali ndi mayendedwe a galimoto.Kukhalapo kapena kusakhalapo kudzadalira malo a shaft yomwe thrust bear imayikidwa.Momwemo, chipangizo chowongolera chidzapezeka kumapeto kwina, ndipo mbali inayo idzayandama momasuka pamene gawolo likukulirakulira.M'malo mwake, ndikwabwino kungoyika chopondereza pamapeto pake, pafupi kwambiri ndi zomwe zimatuluka, ndikudalira zotulutsa zoyambirira kuti ziwongolere kulowera kunja kwa mota.Kungoganiza (zowonetsera) 604 yokhala ndi 4mm shaft (m'malo mwa Nema23's 6mm shaft), ndiye kuti radial radial load ndi 360N ndipo chiwerengero cha axial chovomerezeka ndi nthawi 0.25 (nthawi 0.5 pazitsulo zazikulu).Chifukwa chake zotuluka zimathera Mpira wakuya wakuya uyenera kugwira ntchito, ndi axial katundu wa 90N.Muchitsanzo choperekedwa (30N), ponena za kubala moyo, sizikuwoneka ngati zodetsa nkhawa.Komabe, kuyandama kwa axial mu shaft motsutsana ndi kasupe wodzaza kale kungafunike kuwongolera, ndipo kukankhira kumodzi komwe kumatuluka kumatha kuchita izi.
Komabe, ndikwabwino kukonzekeretsa nyongolotsiyo ndi seti yosiyana ya mayendedwe opondereza ndikulola mota yonse kuyandama axially ndi chipangizo choyenera cha torque.Uwu ndi dongosolo wamba pomwe mota imayendetsa wononga mpira ndi cholumikizira chake cholumikizira chomwe chimayikidwa kudzera pa Lovejoy kapena kulumikizana kofananira.Komabe, izi zimawonjezera kutalika kowonjezera.
Andy, ndikulemba zomwezo: Akuwoneka kuti wawonjezera ma bere popanda mipata, ndikungoyembekeza kuti mayendedwe olondola amatha kupirira katunduyo.
Ndi ndime yomaliza.Pokhapokha ngati ma fani odzigudubuza opindika kapena mayendedwe a mpira olumikizana kapena mayendedwe osiyana akagwiritsidwa ntchito, mota siyenera kunyamula katundu waukulu wa axial patsinde lake.
Galimoto iyenera kuyendetsa shaft kudzera pa lamba, giya, zolumikizira zotanuka kapena zolumikizana ndi spline.Kuchuluka kwa kulimba kwa kugwirizana, kumapangitsa kuti injini ikhale yolondola kwambiri kuti igwirizane ndi shaft.
Gwirizanani, makonzedwe asankhidwa apa angakhale ovulaza moyo wautumiki wa injini.Mipira ya injini yokhayo imatha kunyamula katundu wambiri.Chithunzicho chikuwoneka kuti chikuwonetsa malo okwanira othandizira nyongolotsi.Kusankha kuthandizira nyongolotsiyo ndi ma 2 ang'ono olumikizana nawo mbali zonse ziwiri ndikuyiyendetsa kudzera pa spline shaft kapena shaft key ndiye chisankho chabwinoko, IMHO.Kulumikizana kosinthika pakati ndikuwongolera kwina kwa izo.
Musanakhudze chotsukira chakumapeto pansi, ime stepper sichidzanyamula katundu wa axial, shaft ndi zonyamula zili bwino.
Zimatengera stepper.Ndawonanso kuti ngati ma washers a kasupe atapanikizidwa kwambiri, imodzi kapena ma bere awo onse amanyamula katundu wa axial.
Chifukwa chake monga ndidanenera, bola ngati simukutsitsa chochapira chakumapeto, sipadzakhalanso kuchuluka kwa axial pamayendedwe.
Inde, koma ma washers a kasupewa nthawi zambiri amakhala osalimba kwambiri, kotero mumapulogalamu otere, mutha kuwatsitsa mosavuta.
@ThisGuy Uwu ndiye chinsinsi chowongolera, amatseka rotor pakati, kuti ochapira masika asagwire ntchito.
Ndikudziwa kuti zonse ndi zachibale, koma sindingachitire mwina koma kupeza kukokomeza pano kosangalatsa pang'ono-mugawo lachikhalidwe, "katundu wamkulu wa axial woposa mapaundi asanu ndi limodzi"
Ichi ndi chisankho choipa.Zodzigudubuza zimagwira ntchito bwino chifukwa zimachepetsa kukangana pogubuduza m'malo mokoka-vuto lomwe limakhalapo ndi mayendedwe a singano ndiloti mapeto a singano pa o / d amayenda mofulumira kuposa i / d (pokhapokha ngati gawo la singano silimangika) Inde, chifukwa mapulogalamu ambiri, palibe amene amawaganizira).Zoonadi pali mayendedwe a singano odzigudubuza, koma munthu uyu ndi bwino kugwiritsa ntchito zitsulo zozungulira zozungulira m'malo mwake-iye alibe malire pa katundu wa axial mpaka kuphulika kuphulika kapena gasket ndi indented, kapena izi zidzadutsa mapaundi 6.
Kuphatikiza apo, atatha kuyika preload yoyenera pamayendedwe ozungulira, alibe kukana kwa radial.Lingaliro labwino, malingaliro ena akadakhala akugwiritsidwa ntchito.
Zachabechabe zanga, malingaliro anga ndikuti adagwiritsa ntchito masingano owongoka, koma mipikisano yapakati imawoneka ngati magawo.
Ndimakonda kukambirana masinthidwe ndi makonzedwe osiyanasiyana osiyanasiyana, ndipo ndimakonda zolemba zambiri zomwe zimaphimba zodzigudubuza ndi ma tapered thrust mu zitsanzo zenizeni zamapangidwe.Zimandikumbutsa lathe yomwe ndimapanga.
Kuchokera pachithunzichi, ngati n'kotheka, ndikadayika chothandizira kumapeto kwa shaft ya stepper.Mphamvu zambiri zonyamula katundu ndi zolemetsa zimatha kuyendetsedwa bwino ndi chithandizo pamalo omwe amatha kupatuka kwambiri.
Pogwirizana ndi ndemanga za mayendedwe a tapered roller, spindle ya lathe imawagwiritsa ntchito awiriawiri omwe amadzaza kutsogolo chifukwa adapangidwa kuti athe kupirira katundu wa axial ndi lateral, monga momwe zida za nyongolotsi zimapangidwira pano.
Kodi angagwiritse ntchito cholumikizira cha servo flexible, cholumikiza kangaude, kapena cholumikizira maula kuti alekanitse shaft ya chopondapo ndi mtengo womwe umayendetsa zida za nyongolotsi?Sindikudziwa za torsional katundu omwe akukumana nawo.Kapena mwina giya 1: 1?
Kenako amatha kuwongolera mphamvu mu chimango choyikira ma mota popanda mphamvu iliyonse kupita ku shaft ya stepper.
Muyenera kugwiritsa ntchito ma bearings omwe amatha kuvomereza zolemetsa zomwe zimayembekezeredwa (kukhudzana ndi ngodya, taper, thrust, ndi zina), ndi mipira kapena zomangira za trapezoidal mulimonse.Zonyamula magalimoto nthawi zambiri sizitha kupirira katundu wotere, ndipo kulephera kuchirikiza zomangirazo kumakhala ndi zotsatira zoyipa pakulondola.Momwemo, msonkhano wa screw positioning ndi 100% wodzithandizira, palibe chifukwa cholumikizira ku mota, mota imangopereka torque.Ndiwo Makina Opanga 101. Ngati katunduyo ali mkati mwachidziwitso, mutha kusiya kukakamiza, koma nthawi zambiri kumakhala koyipa kuchita izi, chifukwa kukwera kwamphamvu kungapangitse kuti zigawo zamkati za injiniyo zisagwirizane bwino, motero zimasokoneza magwiridwe antchito. .Ingoyang'anani mpira uliwonse wamba ndikuyang'ana kukwera kovomerezeka, mutha kudabwa kuti kachulukidwe kake kamakhala kakang'ono bwanji nthawi zambiri.
Popeza palibe batani losintha, ndidawonjezeranso kuti nthawi zambiri, kutengera kuchuluka kwa kulondola komwe mukufuna, zida za nyongolotsi zomwe zimagwiritsidwa ntchito pazolinga zonse zimatha kuonedwa ngati mipira kapena zomangira za conical, chifukwa mphamvu zili pafupifupi mbali imodzi. .
Katundu pa giya nyongolotsi ndi wosiyana kwambiri ndi katundu pa Acme kapena mpira screw.Popeza zomangira za Acme ndi mpira zimagwiritsidwa ntchito ndi mtedza wathunthu, katunduyo amakhala pafupifupi axial.Nyongolotsi imangogwira pa gear mbali imodzi, kotero pali katundu wa radial.
Ndipita njira ina, ndipo anthu ambiri adzadabwa kuona kukula kwake kwa axial katundu wonyamula mpira.Osachepera 25% katundu wa radial, 50% wolemera gawo / lalikulu.
Mulimonse momwe zingakhalire, ngati simusamala kufupikitsa kwambiri moyo wobereka komanso zolephera zomwe zingachitike, chonde pitilizani kugwiritsa ntchito ma bearing a mpira kuti muthe kunyamula katundu!FWIW, pomwe mpira wokhazikika umanyamula katundu, malo olumikizirana amachepetsedwa kwambiri.Ngati kukula kwake kuli kokwanira, simungawone chilichonse chowopsa kapena chowopsa, koma izi sizowoneka, makamaka ngati mbali zanu ndi "zotsika mtengo".
Tsopano inu mwangosiyana.Ngati wopanga akuti ndiyoyenera kunyamula ma radial a x Newton, ndiye mafotokozedwe ake.
Ziwerengero zanga zimatengera kalozera wapaintaneti wa SKF.Akhoza kudziwa bwino malo awo kuposa inu.Ngati mumakonda mikangano yosadziwika bwino: mayendedwe a njinga yamoto ndi mipira yakuya, amawona mphamvu kumbali zonse mosintha, ndipo amatha kugwiritsidwa ntchito kwa nthawi yayitali.Ndinayendetsa osachepera 120,000 mailosi pamayeso anga.
Zosasintha za "mpira" ndi mpira wakuya.Ngati si chinanso, ndi mpira wakuya.Onani magulu apa.https://simplybearings.co.uk/shop/Products-All-Bearings/c4747_4514/index.html
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