Ma Stepper Motor vs. Servo Motor Driven Linear Stages: Ndi Ziti Zomwe Zikugwirizana ndi Bajeti Yanu?

Muli ndi ntchito yolinganiza bwino zinthu. Bajeti ndi yochepa. Mumayamba kufufuza zinthu ndipo mwamsanga mumayamba kufunsa funso lalikulu:Kodi ndingasankhe bwanji injini yoyenera ya siteshoni ya injini poyesa mtengo woyamba wa siteshoni ya siteshoni ya stepper ndi ubwino wa nthawi yayitali wa siteshoni ya servo linear?Simuli nokha. Sabata iliyonse, timalandira mafoni kuchokera kwa mainjiniya ndi oyang'anira kugula omwe akukumana ndi vutoli. Pambuyo pa zaka zoposa 9 zopanga zinthu pogwiritsa ntchito manja ndi injini, taona ukadaulo wonse ukuwala - komanso ukukhumudwitsa. Nkhaniyi imakupatsani mawonekedwe osavuta komanso osavuta a zomwe zili zofunika kwambiri pa chikwama chanu ndi ntchito yanu.

Kumvetsetsa Osewera Awiri

Tisanalankhule za ndalama, tiyeni tikambirane mfundo zoyambira. Gawo la stepper motorized motor ndi servo linear siteji zonse zimagwira ntchito yofanana: zimasuntha katundu m'njira yolunjika bwino kwambiri. Koma momwe zimachitira izi ndi zosiyana kwambiri.

Gawo la injini ya stepper limagwiritsa ntchito mota yomwe imazungulira m'masitepe ang'onoang'ono okhazikika. Mukatumiza kugunda kwa mtima, motayo imayenda sitepe imodzi. Palibe mayankho omwe amafunikira pamapangidwe ambiri, kotero makina owongolera amakhala osavuta. Ganizirani ngati wotchi yodalirika ya digito - imawerengera masitepe ndipo imaganiza kuti ili pamalo oyenera.

Gawo la servo linear limagwiritsa ntchito servomotor yolumikizidwa ndi encoder. Encoder nthawi zonse imanena malo enieni kumbuyo kwa drive. Dongosolo lotsekedwa ili limasintha nthawi yeniyeni. Lili ngati galimoto yotsogozedwa ndi GPS yomwe imakonza njira yake pa millisecond iliyonse.

Zonsezi zili ndi malo awoawo. Chinsinsi chenicheni ndi kufananiza ukadaulo ndi zomwe mukufunadi - komanso zomwe mukufuna kugwiritsa ntchito.

Kusiyana Kwakukulu kwa Magwiridwe Antchito komwe Kumakhudza Bajeti Yanu

Mtengo si mtengo wogulira wokha. Ndi mtengo wonse wa umwini. Nthawi zonse timauza makasitomala athu kuti ayang'ane madera asanu: mtengo woyamba, khama logwirizanitsa, kugwiritsa ntchito mphamvu, kukonza, ndi chiopsezo cha nthawi yopuma. Tiyeni tigawane ndi tebulo loyerekeza lomwe timagwiritsa ntchito mkati kuti tithandize makasitomala kusankha injini yoyenera ya siteji.

Nthawi yomweyo, mutha kuwona chifukwa chake sitinena kuti chimodzi ndi "chabwino." Zimadalira.

Manambala Enieni: Mtengo wa Stepper ndi Servo Stages

Tiyeni tiike manambala enieni patebulo. Izi ndi ziwerengero za mpira zomwe zimatengera magawo wamba amanja ndi amagetsi omwe timapanga. Kukonza ma stroke, kukonza chipinda chotsukira, kapena makina ambiri ozungulira kudzasintha manambalawa, koma amakupatsani poyambira penipeni.

Choyambira chimodzi chokhasiteji ya injini ya stepperNdi 100 mm travel, standard ball screw, ndi NEMA 17 stepper nthawi zambiri imafika pakati pa $800 ndi $1,500. Ngati mukufuna mtunda wautali, mwachitsanzo 300 mm, ndi mota yayikulu ya NEMA 23, mtengo wake ukhoza kukwera kufika pa $2,200–$2,800. Stepper drive yofanana nayo ingakuwonongereni $150–$350 ina.

Tsopano yang'anani chofananachogawo lolunjika la servo. Chida choyendera chimodzi chokhala ndi 100 mm travel, ground ball screw, ndi 100W AC servomotor yokhala ndi encoder nthawi zambiri imayamba pafupifupi $1,800 ndipo imatha kufika $4,000 mukaganizira za linear guide yapamwamba. Paulendo wa 300 mm ndi 200W servo, yembekezerani $3,500 mpaka $6,500. Servo drive imawonjezera $400–900 pa axis iliyonse.

Pa nthawi yogula, makina a servo amatha kukwera mtengo ndi 1.8 mpaka katatu kuposa stepper equivalent. Ndi chiwerengero chachikulu kwambiri mukamanga siteshoni yolumikizira ya 4-axis kapena 6-axis yaautomation yolinganiza molondola yomwe imaganizira bajeti.

Koma nambala yoyamba si nkhani yonse. Gawo loyendetsedwa ndi injini ya stepper limakupulumutsirani ndalama musanapite, koma ngati muyamba kuphonya masitepe chifukwa katundu wanu wasintha, "kusunga" kumeneko kumatha m'zigawo zotayidwa. Gawo lolunjika la servo limawononga chikwama tsopano, koma mayankho otsekedwa amatanthauza kuti simupeza zolakwika zosayembekezereka pakuyika. Ngati mzere wanu wolumikizira ukuyenda maola 24 pa sabata, kusiyana kodalirika kumeneko kumabwezera mwachangu.

Kumene Kusankha Kwagalimoto Yoyendetsedwa ndi Galimoto Kumawala

Tiyeni tichoke pa mfundo za chiphunzitso kupita ku malo ogulitsira. Nazi njira zenizeni zomwe taona kwa zaka pafupifupi khumi popereka magawo oyendetsera magalimoto ndi mawotchi kuti agwirizane.

Ngati siteji yoyendetsedwa ndi stepper ndi yanzeru kugula:

Katundu wanu ndi wodziwikiratu ndipo sasintha kwambiri.

Liwiro la ulendo limakhala pansi pa 400 mm/s.

Mukhoza kulandira kulekerera kwa malo a ±10 µm kapena kumasuka.

Mbiri ya kayendedwe ndi yosavuta: sunthani, khazikikani, chitani ntchitoyo, bwererani mmbuyo.

Mukufuna dongosolo loti "likhazikitseni ndipo muiwale" popanda kusintha.

Mukupanga chitsanzo kapena mukupanga chipangizo choyesera chotsika mtengo.

Chitsanzo chenicheni: labu ku yunivesite inkafunika gawo la XY kuti igwirizane ndi zolinga za maikulosikopu. Katunduyo sanasinthe. Liwiro silinali lofunika kwambiri. Anasankha gawo loyendetsedwa ndi injini ya stepper yokhala ndi microstepping, adapeza 5 µm yobwerezabwereza, ndipo anasunga ndalama zokwanira kugula chipangizo china.

Pamene muyenera kuwonjezera bajeti yanu pa gawo la servo linear:

Katundu akhoza kusiyana, mwachitsanzo, akatenga ziwalo zosiyanasiyana.

Liwiro ndi lofunika kwambiri - mumafunika 600 mm/s kapena kuposerapo kuti mufike nthawi yogwira ntchito.

Simungathe kulipira sitepe yotayika; ngati siteji yasokonekera, njirayo imalephera nthawi yomweyo.

Kuyendako kumakhala kosinthasintha, komwe kumayamba, kuyimitsa, ndi kusintha kwa mphamvu zambiri.

Mufunika kuwongolera liwiro losalala pazinthu monga kuyika chizindikiro cha laser kapena kugawa.

M'modzi mwa makasitomala athu omwe amapangira zida zachipatala amagawa zinthu mwachangu kwambiri pagawo losuntha. Amagwiritsa ntchito gawo lolunjika la servo chifukwa liwiro lililonse lingawononge kukula kwa mkanda. Ndalama zambiri zomwe amawononga poyamba zimawathandiza kuti asamavutike kuzigwiritsanso ntchito mwezi uliwonse.

Ichi ndi chomwechiautomation yolinganiza molondola yomwe imaganizira bajetizikutanthauza: mumayesa mtengo wa chiopsezo poyerekeza ndi mtengo wa zida. Nthawi zina, gawo lotsika mtengo ndiye wopambana weniweni wotsika mtengo. Nthawi zina, ndi kutchova juga kokwera mtengo.

Buku Losankha Gawo Loyendetsa Ma Stepper ndi Servo Linear Stage

Tinalonjeza thandizo lothandiza. Nayi njira yosavuta yopangira zisankho yomwe mungagwiritse ntchito ngati yanuBuku Losankha Gawo Loyendetsa Ma Stepper ndi Servo Linear Stage.

Fotokozani zomwe mukufuna kuchita pa liwiro lalikulu.
Ngati ili pansi pa 450 mm/s ndipo simukusowa kuthamanga kwambiri → Stepper imagwira ntchito.
Ngati ili pamwamba pa 500 mm/s kapena mukufuna kukwera mofulumira → Servo ndi yotetezeka.

Yang'anani kulekerera kwanu malo.
Ngati ±15 µm ili bwino → Gawo labwino loyendetsedwa ndi injini ya stepper lidzagwira ntchitoyo.
Ngati mukufuna ±5 µm kapena yolimba kwambiri pansi pa mikhalidwe yosinthasintha → Servo linear stage, palibe kukayika.

Yesani kusinthasintha kwa katundu.
Katundu wokhazikika, kulemera kodziwika → Wokwera stepper amatha kupirira.
Kusintha kwa katundu panthawi yogwira ntchito → Servo, chifukwa kuzungulira kotsekedwa kumasintha mphamvu nthawi yomweyo.

Werengani mtengo wa kulephera kwa malo.
Ngati sitepe yotayika imangotanthauza kubwerera kunyumba mwachangu komanso popanda zinthu zotsalira → Chiwopsezo cha stepper ndi chovomerezeka.
Ngati sitepe yomwe yaphonya yawononga gawo la $200 kapena kuyimitsa mzere kwa ola limodzi → Ikani ndalama mu gawo la servo linear.

Yang'anani luso la mainjiniya anu lokonza zinthu.
Makina a stepper nthawi zambiri amakhala ndi ma plug-and-play. Ma servo drive amafunika kukonzedwa. Ngati mulibe luso loyendetsa galimoto mkati mwa nyumba, kuphweka kwa stepper motor stepper kungakupulumutseni mavuto ambiri okhudzana ndi kuphatikizana. Koma nthawi zonse tingakuthandizeni ndi zimenezo - zambiri zidzabwera pambuyo pake.

Werengani nkhwangwa.
Kusiyana kwa mtengo kumawonjezeka. Kukhazikitsa ma stepper a 4-axis poyerekeza ndi kukhazikitsa ma servo a 4-axis kungakhale kusiyana kwa $8,000. Ngati ma axes onse anayi angoyika malo osavuta, ndalama zowonjezerazo zitha kugwiritsidwa ntchito popanga zida zabwino.

IziBuku Losankha Gawo Loyendetsa Ma Stepper ndi Servo Linear StageSikuti ndi nkhani yogwiritsa ntchito ukadaulo umodzi. Ndi nkhani yodziwa komwe mungagwiritse ntchito ndalama komanso komwe mungasunge ndalama. Ndipo nthawi zonse mutha kutidziwitsa kuti tiwone bwino momwe mukugwiritsira ntchito.

Kuyang'ana Kwambiri Kusankha kwa Motorized Stage Motor

Kusankha mota yoyenera siteji yanu yolunjika sikusiyana kwambiri. Mumasankhanso drive, leadscrew, ndi guide system. Nthawi zambiri timafunsa makasitomala mafunso atatu owonjezera kuti atsimikizire kuti ali ndi mphamvu.kusankha injini ya siteji ya injini.

Kodi ntchito yoyendetsa galimoto ndi yotani?
Woyendetsa ma stepper amakoka ma current kuti agwire ntchito. Mu makina omwe amakhala opanda mphamvu koma amphamvu, mphamvu imeneyo ndi yotayika. Ngati mupita ku stepper, ganizirani za drive yomwe imachepetsa ma current mukayima opanda mphamvu. Ma servo ndi ogwira ntchito bwino pano.

Kodi mukufuna malo enieni pakuyatsa magetsi?
Makina ambiri oyendera amadzuka ndipo amafunika njira yoyendera kunyumba. Makina ena a servo okhala ndi ma absolute encoders amakumbukira komwe ali. Ngati kulowera kunyumba kuli vuto pa ndondomeko yanu, mawonekedwe amenewo okha angathandize kuti servo linear stage ikhale yolondola.

Kodi chilengedwe chili choyera?
Ma stepper ndi olimba. Amalekerera fumbi pang'ono ndipo alibe cholembera cha kuwala chomwe chingaipitsidwe. Mu malo osakwanira bwino a fakitale, gawo la injini ya stepper nthawi zambiri limakhala lolimba kuposa servo unit yotsekedwa bwino. Timapanga mitundu yonse iwiri yokhala ndi zophimba ndi zomatira, koma fizikisi imakhalabe: palibe cholembera, chimodzi chochepa.

Mukukumbukira funso lalitali lomwe tidayamba nalo?Kodi ndingasankhe bwanji injini yoyenera ya siteshoni ya injini poyesa mtengo woyamba wa siteshoni ya siteshoni ya stepper ndi ubwino wa nthawi yayitali wa siteshoni ya servo linear?Yankho lake lili pa zinthu zitatu izi: nthawi yogwira ntchito, zosowa za anthu obwerera, ndi malo okhala. Inu nokha ndiye muli ndi chidziwitso chimenecho.

Kukonza Makhalidwe Oyenera Pogwiritsa Ntchito Ndalama Moyenera

Nthawi zambiri timapanga mapulatifomu oikira zinthu kuti tigwire ntchito zodziyimira tokha: LCD bonding, lens centering, wafer probing, ndi PCB drilling. Ntchito izi ndi zitsanzo zazikulu zaautomation yolinganiza molondola yomwe imaganizira bajetiAkufunika zotsatira za micron, koma si siteshoni iliyonse yomwe ingakwanitse kugula gawo la servo lokhala ndi mpweya la $15,000.

Chimodzi mwa njira zathu zodziwika bwino pa niche iyi chimagwirizanitsa gawo la injini yoyendera ya stepper kuti iyende bwino ya XY yokhala ndi gawo lowongolera bwino lamanja pamwamba. Gawo la injiniyo limakufikitsani mkati mwa 20 µm mwachangu komanso motchipa, kenako woyendetsa kapena chinthu cha piezo chimayimba mu ma microns ochepa omaliza. Njira yosakanikirana iyi yapulumutsa makasitomala athu ambiri 40–60% poyerekeza ndi dongosolo lonse la servo multi-axis.

Mu pulojekiti yaposachedwa, wopanga ma solar panel anafunika kulumikiza ma stringers. Anali okonzeka kugula servo linear siteshoni iliyonse. Atalankhula nafe, anayesa stepper motorized stage pa feed axis yosafunikira kwenikweni ndipo anasunga servo linear siteshoniyo pa placement placement head. Zotsatira zake: kutsika kwa 33% pa ​​mtengo wa siteshoni iliyonse komanso kutayika konse kwa throughput. Ndicho chinthu chanzeru.kusankha injini ya siteji ya injinizonse ndi za.

Mawu Achidule Pa Magawo Oyendetsera Manja

Sikuti ntchito iliyonse imafunika injini. Takhala tikupanga magawo olunjika amanja ndi magawo ozungulira kwa zaka 9. Nthawi zina, kuphatikiza gawo lamanja kuti likhazikitsidwe ndi mzere umodzi wamagetsi kumapereka chiŵerengero chabwino kwambiri cha bajeti ndi magwiridwe antchito. Ngati muli mu labu kapena mukupanga zinthu zochepa, musagwiritse ntchito makina mopitirira muyeso. Gawo lolondola lamanja lokhala ndi mutu wa micrometer limatha kugwira kubwerezabwereza kwa 3 µm ndipo limawononga ndalama zochepa kuposa chilichonse.siteji ya injini ya stepperkapena gawo la servo linear. Akatswiri athu a mapulogalamu angakuthandizeni kujambula mzerewo.

Chifukwa Chake Zomwe Takumana Nazo Ndi Zofunika Pachisankho Chanu

Ndi zaka pafupifupi khumi zopangira magawo olunjika oyendetsedwa ndi manja ndi injini, taphunzira kuti mapepala apadera safotokoza nkhani yonse. Kuyesa kwenikweni kumatero. Tikukupemphani kuti mutitumizire zambiri za pulogalamu yanu - katundu, liwiro, kulondola, malo, ndi bajeti yofunikira. Tikupangira kasinthidwe kokhazikika ka magawo, osati chinthu wamba chokha.

Sindikudziwabe za inukusankha injini ya siteji ya injiniTiyeni tikambirane. Mutha kulumikizana ndi thandizo lathu la uinjiniya mwachindunji kudzera pa fomu yolumikizirana patsamba lino, kapena mutitumizire imelo pa [imelo yanu yogulitsa]. Timayankha mkati mwa tsiku limodzi lantchito, ndipo nthawi zambiri timagawana mafayilo a CAD kuti muwone momwe athu amagwirira ntchito.siteji ya injini ya stepperkapenagawo lolunjika la servozidzakwanira mu makina anu.

Tawuni Yosavuta Yofotokozera Khoma Lanu

Sindikizani izi. Ziikeni m'bokosi. Zikuwonetsa kusiyana kwa m'mimba mwanuautomation yolinganiza molondola yomwe imaganizira bajeti.

Tiyeni Tipange Gawo Loyenera la Magalimoto Pamodzi

Tapanga blog iyi kuti tikupatseni chidaliro chopanga yanuBuku Losankha Gawo Loyendetsa Ma Stepper ndi Servo Linear Stagechisankho. Koma pulogalamu iliyonse imakhala ndi zinthu zinazake zomwe sizili bwino. Apa ndi pomwe kuyimba foni kwa mphindi 10 ndi gulu lathu kungakupulumutseni ndalama zambiri komanso milungu ingapo yamavuto. Kaya mwasankha njira yovutasiteji ya injini ya stepper, ntchito yabwino kwambirigawo lolunjika la servo, kapena kuphatikiza zonse mwanzeru, timapanga zonse mkati mwa kampani ndipo timayima kumbuyo kwa chipangizo chilichonse.

Lumikizanani nafe tsopano. Tiuzeni za polojekiti yanu yoyendetsa galimoto. Tikuthandizani kukwaniritsa cholinga chanu.kusankha injini ya siteji ya injinikotero mumapeza kulondola komwe mukufunikira - osati ndalama zoposa zomwe muyenera kuwononga.