Mbadwo watsopano wa ma silicone ndi ma epoxies ochiritsa UV ukugwiritsidwa ntchito kwambiri m'magalimoto ndi zamagetsi.
Chochita chilichonse m'moyo chimaphatikizapo kusinthana: Kupeza phindu limodzi powononga lina, kuti likwaniritse bwino zosowa za mkhalidwe womwe ulipo. Pamene vutoli likukhudza kulumikiza kwakukulu, kutseka kapena kutseka gasket, opanga amadalira zomatira zotsukira UV chifukwa zimalola kuti ziume msanga pamene zikufunidwa (masekondi 1 mpaka 5 pambuyo powunikira).
Komabe, kusiyana kwake n’kwakuti zomatira izi (acrylic, silicone ndi epoxy) zimafuna kuti zikhale zowonekera bwino kuti zigwirizane bwino, ndipo zimadula kwambiri kuposa zomatira zomwe zimachira m’njira zina. Komabe, opanga ambiri m’mafakitale ambiri akhala akuchita izi mosangalala kwa zaka zambiri. Makampani ambiri adzachita zimenezi mtsogolomu. Komabe, kusiyana kwake n’kwakuti mainjiniya adzakhala ndi mwayi wogwiritsa ntchito zomatira za silicone kapena epoxy UV, monga zomwe zimakhala ndi acrylic.
“Ngakhale kuti takhala tikupanga ma silicone oyeretsera UV kwa zaka khumi zapitazi, m'zaka zitatu zapitazi takhala tikuyesetsa kwambiri kugulitsa kuti tikwaniritse kufunikira kwa msika,” akutero Doug McKinzie, wachiwiri kwa purezidenti wa zinthu zapadera ku Novagard Solutions. “Malonda athu a silicone oyeretsera UV awonjezeka ndi 50 peresenti m'zaka zingapo zapitazi. Izi zichepetsa zina, koma tikuyembekezerabe kukula kwabwino kwa zaka zingapo zikubwerazi.”
Pakati pa ogwiritsa ntchito kwambiri ma silicone opangidwa ndi UV-cure ndi magalimoto a OEM, ndi ogulitsa a Tier 1 ndi Tier 2. Wogulitsa wa Tier 2 mmodzi amagwiritsa ntchito Loctite SI 5031 sealant kuchokera ku Henkel Corp. kuti aike ma terminals m'nyumba zama modules zamagetsi zowongolera mabuleki ndi masensa opanikizika ndi matayala. Kampaniyo imagwiritsanso ntchito Loctite SI 5039 kupanga gasket ya silicone yokonzedwa ndi UV kuzungulira gawo lililonse. Bill Brown, manejala wa uinjiniya wa mapulogalamu ku Henkel, akunena kuti zinthu zonse ziwiri zili ndi utoto wa fluorescent kuti zitsimikizire kupezeka kwa guluu panthawi yowunikira komaliza.
Kenako gawo laling'onoli limatumizidwa kwa wogulitsa wa Tier 1 yemwe amaika zinthu zina zamkati ndikulumikiza PCB ku ma terminal. Chivundikiro chimayikidwa pamwamba pa gasket yozungulira kuti apange chisindikizo cholimba pa gulu lomaliza.
Ma epoxy glue opangidwa ndi UV amagwiritsidwanso ntchito nthawi zambiri pakugwiritsa ntchito magalimoto ndi zamagetsi. Chifukwa chimodzi ndichakuti ma glue awa, monga ma silicone, amapangidwa mwapadera kuti agwirizane ndi kutalika kwa magwero a kuwala kwa LED (320 mpaka 550 nanometers), kotero opanga amapeza zabwino zonse za kuwala kwa LED, monga kukhala nthawi yayitali, kutentha kochepa komanso mawonekedwe osinthasintha. Chifukwa china ndichakuti mtengo wotsika wa UV client, motero zimapangitsa kuti makampani azitha kugulitsana pogwiritsa ntchito ukadaulo uwu.
Nthawi yotumizira: Ogasiti-04-2024
