A zamanin yau, a cikin hackers ɗinmu, ya zama ruwan dare don loda injinan stepper tare da axis iri ɗaya da axis-musamman idan muka haɗa su zuwa screws ko tsutsa.Abin takaici, ba a yi amfani da injinan stepper don irin wannan nauyin ba, kuma yin hakan da karfi zai lalata motar.Amma kada ku ji tsoro.Idan kun sami kanku a cikin wannan yanayin, [Voind Robot] yana ba ku mafita mai sauƙi amma ingantaccen inganci wanda ke ba da damar injin ku don ɗaukar nauyin axial ba tare da matsala ba.
A game da [Voind Robot's], sun fara da tuƙin tsutsotsi a hannun mutum-mutumi.A cikin yanayinsu, hannu mai motsi zai iya yin amfani da babban nauyin axial zuwa mashigin da ke tafiya ta cikin tsutsa-har zuwa Newtons 30.Irin wannan nau'in yana iya sauƙaƙe lalacewa na ciki na motar motsa jiki a cikin ɗan gajeren lokaci, don haka sun zaɓi wasu ƙarfafawa biyu.Don magance wannan matsala, an gabatar da nau'i biyu na turawa, ɗaya a kowane gefen ramin.Matsayin waɗannan ƙaddamarwar ƙaddamarwa shine don canja wurin ƙarfin daga shaft zuwa mahallin motar, wanda shine wuri mafi karfi don amfani da wannan kaya.
Wannan dabarar tana da sauqi qwarai, a haqiqa ta wuce shekaru biyar.Duk da haka, har yanzu yana da mahimmanci a yau ga kowane masana'anta na 3D suna la'akari da haɗa dunƙule gubar zuwa injin stepper na Z-axis.A can, matsananciyar matsawa guda ɗaya na iya kawar da duk wani wasan axial kuma ya haifar da ingantaccen gini gabaɗaya.Muna son hikimar ƙirar injin mai sauƙi kamar wannan.Idan kuna neman ƙarin shawarwarin ƙirar firinta, duba labarin [Moritz's] Workhorse Printer.
Ee, ƴan shekaru da suka gabata na yi i3 variant printer mai suna i2 Samuel.An ƙera shi tare da matsawa a kan z don kawar da matsa lamba akan stepper
Matsakaicin adadin axial da aka yarda da shi na yawancin injunan stepper baya wuce yawan adadin *g.Idan ya fi yawa, ƙirar ku ba ta da lahani ko mai son, kuma wannan yawanci shine farkon.
kyakkyawan tunani.Af, akwai wanda zai iya gaya mani inda zan iya saya kananan bearings?Ina da wasu 'yan manyan magoya baya tare da Doom™ rumble, amma har yanzu suna aiki.
"Wannan dabarar tana da sauƙi, a zahiri ta wuce shekaru biyar."Eh, na yarda cewa an ƙirƙiri ƙulli fiye da shekaru biyar da suka wuce.
Motocin Stepper gabaɗaya suna da alama suna da ɗanɗano na axial iyo a cikin shaft kuma an gyara su tare da masu wankin bazara.Wannan shi ne don kiyaye nauyin axial a kan ɗaukar hoto a cikin ƙayyadaddun lokacin da motar ta yi zafi kuma daban-daban na haɓakar zafi yana faruwa.Shirye-shiryen da aka nuna a nan baya samar da haɓakar thermal, don haka har yanzu ana iya samun matsaloli na dogon lokaci tare da ɗaukar motar.Kasancewa ko rashi zai dogara ne akan wurin da shaft ɗin da aka shigar dashi.Da kyau, na'urar tura duk za ta kasance a gefe ɗaya, ɗayan ƙarshen kuma zai yi iyo cikin yardar kaina yayin da ɓangaren ke faɗaɗa.A gaskiya ma, ya fi dacewa kawai shigar da ƙaddamar da ƙaddamarwa a ƙarshen fitarwa, kamar yadda zai yiwu a kusa da abin da aka fitar, kuma dogara ga ainihin abin da aka samo asali don sarrafa kullun a cikin hanyar waje da motar.Ana ɗauka (don zanga-zangar) nauyin 604 tare da shinge na 4mm (maimakon Nema23's 6mm shaft), to, nauyin radial radial shine 360N kuma nauyin axial wanda aka kiyasta shine sau 0.25 (sau 0.5 don manyan bearings).Don haka ƙarshen fitarwa na asali mai zurfi mai zurfi ya kamata yayi aiki, tare da nauyin axial na 90N.A cikin misalin da aka bayar (30N), ta fuskar ɗaukar rayuwa, a zahiri ba abin damuwa ba ne.Duk da haka, axial ta iyo a cikin shaft a kan tushen da aka riga aka ɗora shi na iya buƙatar yin magana da shi, kuma motsi guda ɗaya a kan ƙarshen fitarwa zai iya yin haka.
Duk da haka, yana da kyau a ba da tsutsa tare da nau'in nau'i daban-daban na ƙwanƙwasa bearings kuma ba da damar dukan motar ta yi iyo axially tare da na'urar amsawa mai dacewa.Wannan tsari ne na gama-gari wanda motar ke tafiyar da dunƙule ƙwallon ƙwallon ƙafa tare da maƙallan lamba na kusurwa wanda aka saita ta hanyar Lovejoy ko makamancin haka.Koyaya, wannan yana ƙara ƙarin tsayi mai yawa.
Andy, zan rubuta abu ɗaya: Da alama ya ƙara ɗakuna ba tare da wani gibi ba, kawai yana fatan cewa madaidaiciyar bearings na iya jure wa nauyin.
Ita ce sakin layi na ƙarshe.Sai dai idan an yi amfani da nadi mai ɗorewa ko ƙwal ɗin tuntuɓar angular ko an yi amfani da nau'ikan ƙugiya daban-daban, kada motar ta ɗauki babban kaya mai axial a kan ramin sa.
Motar ya kamata ta fitar da sandar ta hanyar bel, kayan aiki, haɗaɗɗen roba ko haɗaɗɗen spline.Mafi girman ƙarfin haɗin gwiwa, mafi girman daidaitattun buƙatun injin don daidaitawar shaft.
Yarda, tsarin da aka zaɓa a nan yana iya zama cutarwa ga rayuwar sabis na motar.Ƙwallon ƙwallon motar kanta yana iya ɗaukar nauyi mai yawa har yanzu.Hoton yana da alama yana nuna isasshen sarari don tallafawa tsutsa.Zaɓin goyan bayan tsutsa tare da ɗigon tuntuɓar kusurwoyi 2 a ƙarshen duka biyu da tuƙi ta hanyar shinge ko maɓalli ya riga ya zama mafi kyawun zaɓi, IMHO.Haɗin kai mai sassauƙa a tsakiya shine ƙarin haɓakawa gare shi.
Kafin ka taɓa mai wankin bazara zuwa ƙasa, ime stepper ba zai ɗauki nauyin axial da gaske ba, shaft da ɗaukar hoto suna cikin zamiya.
Ya dogara da stepper.Na kuma ga cewa idan an matsa masu wankin bazara da nisa, ɗaya ko ma duka biyun nasu zai ɗauki nauyin axial.
Don haka kamar yadda na ce, muddin ba a kasa mai wanki na bazara ba, ba za a sami nauyin axial da ya wuce kima a kan abin hawa ba.
Ee, amma waɗannan wankin bazara yawanci suna da rauni sosai, don haka a cikin irin waɗannan aikace-aikacen, zaku iya saukar da su cikin sauƙi.
@Wannan Guy Wannan shine mabuɗin tura bearings, suna kulle rotor a tsakiya, don haka masu wankin bazara ba zasu taɓa yin aiki ba.
Na san duk abin da yake dangi ne, amma ba zan iya taimakawa ba sai dai in sami karin gishiri a nan a ɗan ban sha'awa-a cikin ƙarin al'ada na al'ada, "babban nauyin axial fiye da fam shida"
Wannan zaɓi mara kyau ne.Nadi bearings yana aiki da kyau saboda suna rage juzu'i ta hanyar mirgina maimakon ja-matsalar da ke tattare da allura na tura bearings ita ce ƙarshen allurar akan o/d yana tafiya da sauri fiye da i/d (sai dai idan an naɗa ɓangaren allura) Ee, don yawancin aikace-aikacen, babu wanda yayi la'akari).Tabbas akwai ƙwanƙwasa allurar abin nadi, amma wannan mutumin ya fi kyau a yi amfani da ƙwanƙwasa mai ɗaukar hoto maimakon-ainihin ba shi da iyaka akan nauyin axial har sai abin da ya lalace ko gasket ɗin ya shiga, ko wannan zai wuce fam 6.
Bugu da kari, bayan saita madaidaicin saiti akan madaurin juzu'i, kusan ba shi da juriya na radial.Kyakkyawan ra'ayi, da an yi amfani da wasu ra'ayoyin masana.
Banza na, ra'ayi na shine ya yi amfani da madaidaiciyar abin nadi na allura, amma waɗancan tseren na tsakiya ba sa kama da sassa.
Ina so in tattauna duk nau'ikan saiti da saituna daban-daban, kuma ina son jerin labaran da ke rufe abin nadi da ƙwanƙwasa ƙwanƙwasa a ainihin misalan ƙira.Tunatar da ni da lattin da nake zana.
Kawai daga hoton, idan zai yiwu, zan sanya goyon baya a ƙarshen shaft na stepper.Yawancin rundunonin sawa da ɗaukar nauyi na gefe za a iya samun su da kyau ta hanyar goyan baya a matsayi mafi girman jujjuyawar gefe.
Yarda da maganganun game da abin nadi da aka ɗora, sandal ɗin lathe yana amfani da su bibbiyu da aka riga aka ɗora su a gaba saboda an ƙirƙira su don jure duka nauyin axial da na gefe, kamar yadda kayan tsutsotsi ke samarwa a nan.
Za su iya amfani da servo m coupling, gizo-gizo coupling, ko plum coupling don raba shaft na stepper motor daga shaft cewa koran tsutsotsi?Ba a tabbatar da nauyin torsional ɗin da suke mu'amala da su ba.Ko watakila 1: 1 gear?
Sa'an nan kuma za su iya jagorantar ƙarfin zuwa cikin firam ɗin hawan motar ba tare da kusan wani ƙarfi ba zuwa mashigin stepper.
Ya kamata ku yi amfani da bearings waɗanda za su iya karɓar nauyin abin da ake sa ran turawa (lamba na kusurwa, taper, turawa, da dai sauransu), tare da kwallaye ko trapezoidal screws a kowane hali.Motoci yawanci ba za su iya jure wa irin waɗannan lodi ba, kuma gazawar tallafawa da kyau da dunƙule zai yi mummunan tasiri akan daidaito.Da kyau, taron sakawa na dunƙule yana da 100% mai goyan bayan kai, babu buƙatar haɗawa da motar, motar kawai tana ba da juzu'i.Wannan shine Injin Design 101. Idan nauyin yana cikin ƙayyadaddun ƙayyadaddun bayanai, zaku iya watsar da ƙaddamarwar turawa, amma yawanci yin hakan mummunan aiki ne, saboda nauyin turawa na iya haifar da ɓarna na cikin injin ɗin da ba daidai ba, wanda hakan ke shafar aikin. .Dubi kowane nau'in wasan ƙwallon ƙafa na yau da kullun kuma duba nauyin abin da aka yarda da shi, ƙila za ku yi mamakin yadda ƙananan nauyin ƙaddamarwa yake a mafi yawan lokuta.
Tun da babu maɓallin gyarawa, Na kuma ƙara da cewa a mafi yawan lokuta, dangane da matakin daidaiton da kuke buƙata, kayan aikin tsutsotsi da ake amfani da su don kowane dalili ana iya ɗaukar su azaman ƙwallo ko screws na conical, saboda sojojin suna kusan a cikin hanya ɗaya. .
Kayan da ke kan kayan tsutsa ya bambanta sosai da nauyin da ke kan Acme ko dunƙule ball.Tun da Acme da ball sukurori ana amfani da cikakken kwayoyi, da lodi ne kusan zalla axial.Tsutsa yana aiki ne kawai akan kayan aiki a gefe ɗaya, don haka akwai nauyin radial.
Zan bi ta wata hanya, kuma mutane da yawa za su yi mamakin ganin girman girman nauyin axial na ɗaukar ƙwallon ƙafa.Akalla nauyin radial 25%, 50% mafi nauyi sashi/mafi girma.
A kowane hali, idan ba ku damu da rage girman rayuwa ba da yuwuwar gazawar bala'i, da fatan za a ci gaba da amfani da daidaitattun ƙwallon ƙwallon ƙafa don ɗaukar nauyin turawa!FWIW, lokacin da madaidaicin ƙwallon ƙwallon yana ɗaukar nauyin turawa, yankin lamba yana raguwa sosai.Idan girman girman girman ya isa, ƙila ba za ku iya ganin wani abu mai tsanani ko haɗari ba, amma wannan ba na al'ada ba ne, musamman ma lokacin da sassanku suna "mai arha".
Yanzu kai kawai akasin haka.Idan masana'anta sun ce ya dace da nauyin radial na x Newton, wannan shine ƙayyadaddun bayanai.
Adadina sun dogara ne akan jagorar kan layi na SKF.Wataƙila sun fi ku sanin wurin su.Idan kun fi son bazuwar anecdotal bazuwar: ƙafafun babur guda biyu ne na ƙwallaye masu zurfi, suna ganin ƙarfi a duk kwatance kusan bazuwar, kuma ana iya amfani da su na dogon lokaci.Na yi tuƙi aƙalla mil 120,000 a gwaji na.
Tsohuwar “ɗaukar ƙwallo” ita ce ƙwallon tsagi mai zurfi.Idan ba wani abu ba, ball ne mai zurfi mai zurfi.Duba nau'ikan a nan.https://simplybearings.co.uk/shop/Products-All-Bearings/c4747_4514/index.html
Ta amfani da gidan yanar gizon mu da sabis ɗinmu, kun yarda a sarari ga sanya ayyukanmu, ayyuka da kukis ɗin talla.Ƙara koyo
Lokacin aikawa: Juni-02-2021