Mutu wolunjika wa collimating umagwiritsa ntchito chipangizo chamakina ngati nsanja yothandizira, ndipo umayenda mmbuyo ndi mtsogolo kudzera mu chipangizo chamakina kuti ukwaniritse kuwotcherera kwa ma weld okhala ndi njira zosiyanasiyana. Kulondola kwa kuwotcherera kumadalira kulondola kwa actuator, kotero pali mavuto monga kulondola kochepa, liwiro loyankha pang'onopang'ono, ndi inertia yayikulu. Dongosolo losanthula la galvanometer limagwiritsa ntchito mota kuti litembenukire lenzi. Mota imayendetsedwa ndi mphamvu inayake ndipo ili ndi ubwino wolondola kwambiri, inertia yaying'ono, komanso kuyankha mwachangu. Pamene kuwala kwa kuwala kwawunikira pa lenzi ya galvanometer, kupotoka kwa galvanometer kumasintha ngodya yowunikira kwa kuwala kwa laser. Chifukwa chake, kuwala kwa laser kumatha kusanthula njira iliyonse yomwe ikuwonetsedwa mu galvanometer system. Mutu woyima womwe umagwiritsidwa ntchito mu robotic welding system ndi ntchito yochokera pa mfundo iyi.
Zigawo zazikulu zamakina ojambulira a galvanometerndi collimator yowonjezera beam, focusing lens, XY two-axis scanning galvanometer, control board ndi host computer software system. Scanning galvanometer imatanthauza mitu iwiri ya XY galvanometer scanning, yomwe imayendetsedwa ndi high-speed servo motors reciprocating. Dual-axis servo system imayendetsa XY dual-axis scanning galvanometer kuti ipatuke motsatira X-axis ndi Y-axis motsatana potumiza zizindikiro zolamula ku X ndi Y axis servo motors. Mwanjira imeneyi, kudzera mu kayendedwe kophatikizana kwa XY two-axis mirror mirror lens, control system imatha kusintha chizindikiro kudzera mu galvanometer board malinga ndi template ya zithunzi zokonzedweratu za host computer software ndi set path mode, ndikusuntha mwachangu pa workpiece kuti apange scanning trajectory.
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Malinga ndi ubale wa malo pakati pa lenzi yowunikira ndi galvanometer ya laser, njira yowunikira ya galvanometer ikhoza kugawidwa m'magulu awiri: kutsogolo kowunikira (chithunzi chakumanzere) ndi kumbuyo kowunikira (chithunzi chakumanja). Chifukwa cha kusiyana kwa njira yowunikira pamene kuwala kwa laser kumapatuka kupita kumalo osiyanasiyana (mtunda wotumizira kuwala ndi wosiyana), malo owunikira a laser mu njira yapitayi yowunikira ndi malo ozungulira, monga momwe zasonyezedwera pachithunzi chakumanzere. Njira yowunikira kumbuyo ikuwonetsedwa pachithunzi chakumanja, momwe lenzi yowunikira ndi lenzi yathyathyathya. Lenzi yathyathyathya ili ndi kapangidwe kapadera ka kuwala.
Dongosolo Lowotcherera la Robotic
Mwa kuyambitsa kukonza kwa kuwala, hemispherical focal plane ya laser beam ikhoza kusinthidwa kukhala plane. Kusanthula koyang'ana kumbuyo ndikofunikira kwambiri pa ntchito zomwe zimafunikira kulondola kwambiri pakukonza komanso zochepa zogwirira ntchito, monga kuyika chizindikiro cha laser, kuwotcherera kwa laser microstructure, ndi zina zotero. Pamene malo owunikira akuwonjezeka, kutsegula kwa lens kumawonjezekanso. Chifukwa cha zofooka zaukadaulo ndi zakuthupi, mtengo wa ma flense akuluakulu ndi okwera mtengo kwambiri, ndipo yankho ili silivomerezedwa. Kuphatikiza kwa galvanometer scanning system patsogolo pa lens yolinga ndi robot ya six-axis ndi yankho lotheka lomwe lingachepetse kudalira zida za galvanometer, ndipo lingakhale ndi kulondola kwakukulu kwa dongosolo komanso kugwirizana bwino. Yankho ili lagwiritsidwa ntchito ndi ambiri ophatikiza, omwe nthawi zambiri amatchedwa flying welding. Kuwotcherera kwa module busbar, kuphatikizapo kuyeretsa pole, kuli ndi ntchito zowuluka, zomwe zimatha kuwonjezera mosavuta komanso moyenera mawonekedwe ogwiritsira ntchito.
Kaya ndi kusanthula kutsogolo kapena kusanthula kumbuyo, kuyang'ana kwa kuwala kwa laser sikungathe kulamulidwa kuti kukhale koyang'ana kwambiri. Pa njira yowunikira kutsogolo, pamene ntchito yowunikira ili yaying'ono, lenzi yowunikira ili ndi mulingo winawake wakuya kwa focal, kotero imatha kuchita kusanthula kowunikira ndi mawonekedwe ang'onoang'ono. Komabe, pamene ndege yowunikira ili yayikulu, mfundo zomwe zili pafupi ndi mphepete sizidzakhala zolunjika ndipo sizingayang'ane pamwamba pa ntchito yowunikira chifukwa imapitirira malire apamwamba ndi otsika a kuya kwa laser. Chifukwa chake, pamene kuwala kwa laser kukufunika kuti kuyang'ane bwino pamalo aliwonse pa ndege yowunikira ndipo malo owonera ndi akulu, kugwiritsa ntchito lenzi yokhazikika ya kutalika kwa focal sikungakwaniritse zofunikira zowunikira.
Dongosolo loyang'ana mozama ndi dongosolo loyang'ana lomwe kutalika kwake kungasinthidwe ngati pakufunika. Chifukwa chake, pogwiritsa ntchito lenzi yoyang'ana mozama kuti igwirizane ndi kusiyana kwa njira yowunikira, lenzi yopingasa (beam expander) imayenda molunjika motsatira mzere wowunikira kuti ilamulire malo owunikira, motero imapangitsa kuti kusiyana kwa njira yowunikira pamwamba pa malo okonzedwa kukhale kosiyana. Poyerekeza ndi galvanometer ya 2D, kapangidwe ka galvanometer ya 3D makamaka kamawonjezera "Z-axis optical system", yomwe imalola galvanometer ya 3D kusintha momasuka malo owunikira panthawi yowunikira ndikuchita welding yokhotakhota pamwamba, popanda kufunikira kusintha malo owunikira posintha kutalika kwa chonyamulira monga chida chamakina kapena loboti monga galvanometer ya 2D.
Dongosolo loyang'ana kwambiri limatha kusintha kuchuluka kwa defocus, kusintha kukula kwa malo, kusintha kwa Z-axis focus, ndi kukonza magawo atatu.
Mtunda wogwirira ntchito umatanthauzidwa ngati mtunda wochokera ku m'mphepete mwa makina akutsogolo kwambiri a lenzi kupita ku focal plane kapena scan plane ya cholinga. Samalani kuti musasokoneze izi ndi effective focal length (EFL) ya cholinga. Izi zimayesedwa kuchokera ku principal plane, yomwe imaganiziridwa kuti dongosolo lonse la lenzi limabwereranso, kupita ku focal plane ya optical system.
Nthawi yotumizira: Juni-04-2024
