Laser scanner, yomwe imatchedwanso laser galvanometer, imakhala ndi XY Optical scanning head, electronic drive amplifier ndi lens optical reflection. Chizindikiro choperekedwa ndi woyang'anira makompyuta amayendetsa mutu wowunikira kudzera pamayendedwe amplifier, potero amawongolera kupatuka kwa mtengo wa laser mu ndege ya XY. Mwachidule, galvanometer ndi sikani galvanometer yomwe imagwiritsidwa ntchito pamakampani a laser. Mawu ake akatswiri amatchedwa mkulu-liwiro kupanga sikani galvanometer Galvo sikani dongosolo. Zomwe zimatchedwa galvanometer zimatha kutchedwanso ammeter. Lingaliro lake lapangidwe limatsatira kwathunthu njira yopangira ammeter. Lens imalowa m'malo mwa singano, ndipo chizindikiro cha kafukufuku chimasinthidwa ndi makompyuta -5V-5V kapena -10V-+10V DC chizindikiro. , kuti amalize zomwe anakonzeratu. Monga makina ojambulira magalasi ozungulira, makina owongolera awa amagwiritsa ntchito magalasi obweza. Kusiyana kwake ndikuti stepper motor yomwe imayendetsa magalasi awa imasinthidwa ndi servo motor. M'dongosolo lino, sensa yamalo imagwiritsidwa ntchito Lingaliro la kapangidwe kake ndi kubwereza kobwerezabwereza kumatsimikiziranso kulondola kwadongosolo, ndipo kuthamanga kwa sikani ndi kulondola kobwerezabwereza kwa dongosolo lonse kumafika pamlingo watsopano. Mutu wojambulira wa galvanometer umapangidwa makamaka ndi galasi lojambulira la XY, mandala akumunda, galvanometer ndi pulogalamu yolemba zolembera pakompyuta. Sankhani magawo owoneka bwino olingana ndi mafunde osiyanasiyana a laser. Zosankha zofananira zikuphatikizanso zowonjezera laser, ma laser, ndi zina zambiri. M'zaka zaposachedwa, makina ojambulira othamanga kwambiri apangidwa, ndikuthamanga kwa scanning kufika pa 45,000 points / sekondi, zomwe zimapangitsa kuti ziwonetsere zojambula zovuta za laser.
5.1 laser galvanometer kuwotcherera olowa
5.1.1 Tanthauzo ndi kapangidwe ka galvanometer kuwotcherera olowa:
Mutu wolunjika wa collimation umagwiritsa ntchito chipangizo chamakina ngati nsanja yothandizira. Chipangizo chomakina chimayenda mmbuyo ndi mtsogolo kuti chikwaniritse kuwotcherera ma welds osiyanasiyana. Kulondola kwa kuwotcherera kumadalira kulondola kwa actuator, kotero pali mavuto monga kulondola kochepa, kuthamanga kwapang'onopang'ono, ndi inertia yaikulu. Makina ojambulira a galvanometer amagwiritsa ntchito mota kunyamula mandala kuti atembenuke. Galimoto imayendetsedwa ndi mphamvu inayake ndipo ili ndi maubwino olondola kwambiri, kutsika pang'ono, komanso kuyankha mwachangu. Pamene mtengowo ukuwunikiridwa pa galvanometer lens, kupatuka kwa galvanometer kumasintha mtengo wa laser. Chifukwa chake, mtengo wa laser ukhoza kuyang'ana njira iliyonse pazithunzi zowonera kudzera pa galvanometer system.
Zigawo zazikulu za dongosolo la sikani la galvanometer ndi collimator yowonjezera, yoyang'ana magalasi, XY-axis scanning galvanometer, board board ndi pulogalamu yamapulogalamu apakompyuta. Galvanometer yojambulira imatanthawuza mitu iwiri ya XY galvanometer, yomwe imayendetsedwa ndi ma servo motors othamanga kwambiri. Dongosolo la servo lapawiri-axis limayendetsa galvanometer yapawiri-axis ya XY kuti ipatuke motsatira X-axis ndi Y-axis motsatana potumiza ma siginecha amalamulo ku X ndi Y-axis servo motors. Mwa njira imeneyi, kudzera ophatikizana kayendedwe ka XY awiri olamulira galasi mandala, dongosolo ulamuliro akhoza kusintha chizindikiro kudzera galvanometer bolodi malinga ndi preset likutipatsa Chinsinsi cha khamu mapulogalamu apakompyuta malinga ndi njira anaika, ndipo mwamsanga kusuntha pa workpiece ndege kupanga sikani trajectory.
5.1.2 Gulu la zolumikizira zowotcherera za galvanometer:
1. Kutsogolo molunjika sikani mandala
Malinga ndi ubale wapakati pa mandala omwe akuwunikira kwambiri ndi galvanometer ya laser, masinthidwe a galvanometer amatha kugawidwa kukhala kusanthula koyang'ana kutsogolo (Chithunzi 1 pansipa) ndikuwunika chakumbuyo (Chithunzi 2 pansipa). Chifukwa cha kusiyana kwa njira ya kuwala pamene mtanda wa laser umapatutsidwa m'malo osiyanasiyana (kutalika kwa mtengo wotumizira ndi kosiyana), malo opangira laser panthawi yapitayi ndi mawonekedwe a hemispherical, monga momwe tawonetsera kumanzere. Njira yowunikira positi ikuwonetsedwa pachithunzi chakumanja. Cholinga cha lens ndi lens ya F-plan. Kalilore wa F- plan ali ndi mawonekedwe apadera a kuwala. Poyambitsa kuwongolera kwa kuwala, gawo la hemispherical focal pamtengo wa laser limatha kusinthidwa kukhala lathyathyathya. Kusanthula kwa post-focus kumakhala koyenera kugwiritsa ntchito zomwe zimafunikira kulondola kwapamwamba komanso kagawo kakang'ono kakukonza, monga chizindikiro cha laser, kuwotcherera kwa laser microstructure, etc.
2.Magalasi owunikira kumbuyo
Pamene malo ojambulira akuchulukirachulukira, kabowo ka lens ya f-theta kumawonjezekanso. Chifukwa cha zoperewera zaukadaulo ndi zakuthupi, magalasi akuluakulu a f-theta ndi okwera mtengo kwambiri ndipo yankho ili silivomerezedwa. The cholinga mandala kutsogolo galvanometer kupanga sikani dongosolo pamodzi ndi asanu olamulira loboti ndi njira zotheka, amene angathe kuchepetsa kudalira galvanometer zida, ali ndi digiri ndithu dongosolo lolondola, ndipo ali ngakhale wabwino. Yankho ili lavomerezedwa ndi ambiri ophatikiza. Adopt, yomwe nthawi zambiri imatchedwa kuwotcherera ndege. Kuwotcherera kwa module busbar, kuphatikizapo kuyeretsa mzati, kumakhala ndi ntchito zoyendetsa ndege, zomwe zingapangitse kukula kwake kosinthika mosavuta komanso moyenera.
3.3D galvanometer:
Mosasamala kanthu kuti ndikusanthula koyang'ana kutsogolo kapena kuyang'ana kumbuyo, kuyang'ana kwa mtengo wa laser sikungawongoleredwe kuti muyang'ane kwambiri. Pakuwunika koyang'ana kutsogolo, chogwirira ntchito chikakhala chaching'ono, lens yoyang'ana kwambiri imakhala ndi kuya kwakuya, kotero imatha kusanthula molunjika ndi kawonekedwe kakang'ono. Komabe, ndege yoti sikanidwe ikakhala yayikulu, mfundo zomwe zili pafupi ndi m'mphepete mwake sizingayang'ane kwambiri ndipo sizingayang'ane pamwamba pa chogwirira ntchito kuti chisinthidwe chifukwa chimaposa kuchuluka kwa kuzama kwa laser. Choncho, pamene mtengo wa laser uyenera kuyang'ana bwino pamalo aliwonse pa ndege yojambulira ndipo malo owonetserako ndi aakulu, kugwiritsa ntchito lens yokhazikika yokhazikika sikungakwaniritse zofunikira zowunikira. Dongosolo loyang'ana mwamphamvu ndi gulu la mawonekedwe owoneka bwino omwe kutalika kwake kumatha kusintha ngati pakufunika. Chifukwa chake, ofufuza akuganiza kuti agwiritse ntchito mandala osunthika kuti athe kubweza kusiyana kwa njira ya kuwala, ndikugwiritsa ntchito mandala a concave (beam expander) kuti aziyenda motsatira mbali ya optical axis kuti ayang'anire malo omwe akuyang'ana ndikukwaniritsa Pamwamba pake kuti asinthidwe mwamphamvu amalipira kuwala. kusiyana kwa njira pamaudindo osiyanasiyana. Poyerekeza ndi 2D galvanometer, zikuchokera 3D galvanometer makamaka anawonjezera "Z-olamulira kuwala dongosolo", kuti 3D galvanometer akhoza momasuka kusintha maganizo pa ndondomeko kuwotcherera ndi kuchita malo yokhotakhota padziko kuwotcherera, popanda kufunika kusintha. chonyamulira monga chida makina, etc. monga 2D galvanometer. Kutalika kwa loboti kumagwiritsidwa ntchito posintha malo omwe amawotchera.
Nthawi yotumiza: May-23-2024
