UV tekinoroji inoonekwa nevakawanda se "yepamusoro-uye-inouya" tekinoroji yekurapa machira emaindasitiri. Kunyangwe zvingave zvitsva kune vakawanda muindasitiri yekugadzira maindasitiri nemotokari, yanga iripo kweanopfuura makumi matatu emakore mune mamwe maindasitiri…
UV tekinoroji inoonekwa nevakawanda se "yepamusoro-uye-inouya" tekinoroji yekurapa machira emaindasitiri. Kunyangwe ingave nyowani kune vakawanda mumaindasitiri uye emotokari yekukoira indasitiri, yanga iripo kweanopfuura makumi matatu emakore mune mamwe maindasitiri. Vanhu vanofamba paUV-yakavharidzirwa vinyl pasi zvigadzirwa mazuva ese, uye vazhinji vedu tinazvo mudzimba dzedu. UV yekurapa tekinoroji inoitawo basa rakakura muindasitiri yemagetsi evatengi. Semuenzaniso, kana iri nharembozha, tekinoroji yeUV inoshandiswa mukuputira dzimba dzepurasitiki, machira ekudzivirira emagetsi emukati, UV adhesive bonded zvikamu uye kunyangwe mukugadzirwa kwemavara emavara anowanikwa pane mamwe mafoni. Saizvozvo, iyo optical fiber uye maDVD / maCD maindasitiri anoshandisa UV majaidhi uye anonamira chete uye angadai asiripo sezvatinoziva nhasi kudai UV tekinoroji isina kugonesa budiriro yavo.
Saka chii chinonzi UV kurapa? Zvakanyanya nyore, inzira yekuyambuka-inobatanidza (kurapa) machira nemakemikari maitiro akatangwa uye anotsigirwa neUV simba. Musingasviki miniti yekuputira inoshandurwa kubva pamvura kuenda kune yakasimba. Pane misiyano yakakosha mune zvimwe zvezvakagadzirwa uye kushanda pane resin mujasi, asi izvi zviri pachena kune mushandisi wekupfeka.
Zvishandiso zvechinyakare zvekushandisa senge air-atomized spray pfuti, HVLP, mabhero anotenderera, inoyerera coating, roll coating uye zvimwe zvishandiso zvinoisa UV mabhanhire. Nekudaro, pachinzvimbo chekupinda muovheni inopisa mushure mekuputira uye kunyungudutsa flash, iko kupfekedza kunorapwa neUV simba rinogadzirwa neUV rambi masisitimu akarongwa nenzira inovhenekera iyo yekupfekedza nehushoma huwandu hwesimba rinodiwa kuwana kurapwa.
Makambani nemaindasitiri anoshandisa hunhu hweUV tekinoroji akaunza kukosha kwakanyanya nekupa hunyanzvi hwekugadzira uye chigadzirwa chepamusoro uku uchivandudza purofiti.
Kushandisa UV's Attributes
Ndeapi maitiro akakosha anogona kushandiswa? Chekutanga, sezvambotaurwa, kurapa kunokurumidza uye kunogona kuitwa pakamuri tembiricha. Izvi zvinobvumira kurapa kwakanaka kwekupisa-sensitive substrates, uye machira ese anogona kurapwa nekukurumidza. Kurapa kweUV ndiyo kiyi yekubudirira kana iyo inomanikidza (bhodhoro-mutsipa) mukuita kwako inguva refu yekurapa. Zvakare, kumhanya kunobvumira maitiro ane diki tsoka. Kana tichienzanisa, jasi rakajairwa rinoda kubikwa kwemaminetsi makumi matatu pamutsetse wekumhanya we15 fpm rinoda 450 ft ye conveyor muovheni, nepo UV yakapopa yekupfeka ingangoda makumi maviri neshanu ft (kana pasi) ye conveyor.
Iyo UV cross-linking reaction inogona kuguma nekupfeka nekusimba kwakanyanya kwemuviri. Kunyangwe machira anogona kugadzirwa kuti ave akaoma kune maapplication akaita senge pasi, anogona zvakare kuitwa kuti anyatso kuchinjika. Marudzi ese ari maviri ekuputira, akaoma uye anochinjika, anoshandiswa mumotokari application.
Aya hunhu ndiwo madhiraivha ekuenderera mberi nekusimudzira uye kupinda kweUV tekinoroji yekupfeka mota. Ehe, kune matambudziko ane chekuita neUV kurapa kwemaindasitiri majasi. Chinhu chinonyanya kunetseka kumuridzi wemaitiro kugona kuburitsa pachena nzvimbo dzese dzezvikamu zvakaoma kune UV simba. Iyo yakazara pamusoro peiyo coating inofanirwa kuoneswa kune shoma UV simba rinodiwa kurapa coating. Izvi zvinoda kunyatsoongororwa kwechikamu, racking yezvikamu, uye kurongeka kwemarambi kubvisa nzvimbo dzemumvuri. Nekudaro, kwave nekuvandudzwa kwakakosha mumarambi, zvigadzirwa uye zvigadzirwa zvakagadzirirwa zvinokunda zvizhinji zvezvipingaidzo izvi.
Automotive Forward Lighting
Iyo chaiyo yemotokari application uko UV yave yakajairwa tekinoroji iri mumotokari yemberi yekuvhenekesa indasitiri, uko UV machira akashandiswa kweanopfuura makore gumi nemashanu uye ikozvino anoraira makumi masere muzana emusika. Marambi emumusoro anoumbwa nezvikamu zviviri zvakakosha zvinoda kuvharwa - polycarbonate lens uye reflector imba. Iyo lenzi inoda yakaomesesa, isingakwenye-inopotera kudzivirira iyo polycarbonate kubva kuzvinhu uye kushungurudzwa kwemuviri. Iyo inoratidzira imba ine UV basecoat (primer) inosimbisa iyo substrate uye inopa yakanyanya-yakapfava pamusoro pesimbi. Iyo reflector basecoat musika ikozvino yakanyatso 100% UV yakarapwa. Zvikonzero zvekutanga zvekugamuchirwa zvakavandudzwa kugadzirwa, diki process tsoka uye yepamusoro yekubatisa-kuita zvivakwa.
Kunyangwe machira anoshandiswa ari UV akarapwa, ane zvinonyungudutsa. Nekudaro, mazhinji eiyo overspray inodzoserwa uye kudzokororwa kudzoka mukuita, ichiwana padyo ne100% kutamisa kushanda zvakanaka. Chinangwa chekusimudzira mune ramangwana ndechekuwedzera maodhi kusvika ku100% uye kubvisa kudiwa kweiyo oxidizer.
Kunze kwePlastiki Zvikamu
Chimwe chezvishoma zvinozivikanwa maapplication ndiko kushandiswa kweUV inorapika clearcoat pamusoro pekuumbwa-mu-ruvara rwemuviri weparutivi. Pakutanga, uku kupfekedza kwakagadzirwa kuti kuderedze kutsvuka kwekunze kuratidzwa kwevinyl body side moldings. Iyo yekupfekedza yaifanirwa kuve yakasimba uye inochinjika kuchengetedza kunamatira pasina kutsemuka kubva kune zvinhu zvinorova kuumbwa. Iwo madhiraivha ekushandiswa kweUV mabhanhire muchishandiso ichi kumhanya kwekurapa (diki process tsoka) uye yepamusoro kuita zvivakwa.
SMC Body Panels
Sheet molding compound (SMC) chinhu chakaumbwa chakashandiswa seimwe nzira kune simbi kweanopfuura makore makumi matatu. SMC ine girazi-fiber-yakazadzwa polyester resin yakakandwa mumashiti. Aya mapepa anobva aiswa muforoma yekumanikidza uye anoumbwa kuita mapaneru emuviri. SMC inogona kusarudzwa nekuti inodzikisira mutengo wekushandisa kune madiki ekugadzira, inoderedza huremu, inopa dent uye corrosion kuramba, uye inopa yakakura latitude kune stylists. Nekudaro, rimwe rematambudziko mukushandisa SMC kupedzisa kwechikamu muchirimwa chegungano. SMC is porous substrate. Kana pani yemuviri, ikozvino pamotokari, ichipinda muovheni yependi yakajeka, chirema chependi chinozivikanwa se "porosity pop" chinogona kuitika. Izvi zvinoda kugadziridzwa kwemavara, kana kana paine akakwana "mapopu," pendi yakazara yeganda remuviri.
Makore matatu apfuura, mukuedza kubvisa kukanganisa uku, BASF Coatings yakatengesa UV / thermal hybrid sealer. Chikonzero chekushandisa mushonga wehybrid ndechekuti iyo overspray inorapwa pane zvisiri zvakakosha. Nhanho yakakosha yekubvisa "porosity pops" ndeyekuratidzwa kune UV simba, zvakanyanya kuwedzera kuchinjika-kwepakati density yeakafumura coating pane yakaoma nzvimbo. Kana iyo sealer isingagamuchire iyo shoma UV simba, iyo coating ichiri kupfuura zvimwe zvese zvinodiwa kuita.
Iko kushandiswa kwehuviri-kurapa tekinoroji mune ino chiitiko kunopa hutsva hwekuputira zvivakwa nekushandisa UV kurapa uku uchipa chekuchengetedza chinhu chekupotera mune yakakwirira-kukosha application. Ichi chishandiso hachingoratidzi chete kuti UV tekinoroji inogona kupa sei yakasarudzika yekupfekedza zvivakwa, inoratidza zvakare kuti UV-yakarapwa coating system inoshanda pane yakakwirira-kukosha, yakakwirira-vhoriyamu, hombe uye yakaoma mota zvikamu. Ichi chivharo chakashandiswa pamapanera emuviri anosvika miriyoni.
OEM Clearcoat
Sezvineiwo, chikamu chemusika weUV tekinoroji ine yakanyanya kuoneka ndiyo mota yekunze muviri wepaneru Kirasi A machira. Ford Motor Company yakaratidza tekinoroji yeUV pamotokari yemhando, iyo Concept U mota, paNorth American International Auto Show muna 2003. Tekinoroji yekupotera yakaratidzwa yaive clearcoat yakapodzwa neUV, yakagadzirwa uye yakapihwa neAkzo Nobel Coatings. Ichi chipfeko chakaiswa uye chakaporeswa pamusoro pemapanera emuviri ega ega akagadzirwa kubva kune akasiyana zvinhu.
KuSurcar, musangano wekutanga wepasi rose wezvekupfeka mota wakaitwa gore rega rega muFrance, vese DuPont Performance Coatings neBASF vakapa mharidzo muna 2001 uye 2003 paUV-kurapa tekinoroji yemotokari clearcoats. Mutyairi weiyi budiriro ndeyekuvandudza yekutanga kugutsikana kwevatengi nyaya yependi-kukwenya uye mar kuramba. Makambani ese ari maviri akagadzira hybrid-cure (UV & thermal) coatings. Chinangwa chekutsvaga iyo hybrid tekinoroji nzira ndeyekudzikisa iyo UV yekurapa system kuoma uku uchizadzisa chinangwa chekuita zvivakwa.
Vese DuPont neBASF vakaisa mitsara yekutyaira panzvimbo dzavo. Mutsetse weDuPont muWuppertal unokwanisa kurapa miviri yakazara. Hakusi chete kuti makambani ekuputira anofanirwa kuratidza kuita kwakanaka kwekuputira, ivo vanofanirwawo kuratidza pendi-mutsara mhinduro. Imwe yemamwe mabhenefiti eUV / thermal kurapa yakataurwa neDuPont ndeyekuti kureba kweiyo clearcoat chikamu chetambo yekupedzisa inogona kudzikiswa ne50% nekungodzikisa kureba kwehovheni inopisa.
Kubva kudivi reinjiniya, Dürr System GmbH yakapa mharidzo pamusangano wekudyara pfungwa yekurapa UV. Imwe yeakakosha akasiyana mune aya pfungwa yaive nzvimbo yeUV yekurapa maitiro mumutsara wekupedzisa. Engineered solutions yaisanganisira kutsvaga mwenje weUV pamberi, mukati kana mushure mehovhoni inopisa. Dürr anonzwa kuti kune zvigadziriso zveinjiniya kune mazhinji esarudzo sarudzo dzinosanganisira maumbirwo azvino ari kugadzirwa. Fusion UV Systems yakaunzawo chishandiso chitsva - komputa simulation yeUV-kurapa maitiro emitumbi yemotokari. Iyi budiriro yakaitirwa kutsigira uye kukurumidzira kutorwa kweUV-kurapa tekinoroji muzvirimwa zvemagungano.
Mamwe Maapplication
Basa rekusimudzira rinoenderera mberi remachira epurasitiki anoshandiswa pamotokari dzemukati, machira emavhiri alloy uye mavhiri evhavha, clearcoats pamusoro pezvikamu zvakakura zvakaumbwa-mu-ruvara uye zvepasi-hood. Iyo UV maitiro inoramba ichisimbiswa seyakagadzika kurapa chikuva. Zvese zviri kunyatso chinja ndezvekuti maUV majasi ari kufamba achikwira kune mamwe akaomarara, epamusoro-kukosha zvikamu. Iko kugadzikana uye kushanda kwenguva refu kwemaitiro kwakaratidzwa nekushanda kwechiedza chemberi. Yakatanga makore anopfuura makumi maviri apfuura uye ikozvino ndiyo chiyero cheindasitiri.
Kunyangwe tekinoroji yeUV iine izvo vamwe vanofunga kuti "inotonhorera" chinhu, izvo indasitiri inoda kuita neiyi tekinoroji kupa mhinduro dzakanakisa kumatambudziko evapedzi. Hapana anoshandisa tekinoroji nekuda kwehunyanzvi. Inofanira kuendesa kukosha. Iko kukosha kunogona kuuya nenzira yekuvandudza chibereko chine chekuita nekukasira kwekurapa. Kana kuti inogona kubva kune yakagadziridzwa kana nyowani zvivakwa zvausina kukwanisa kuwana neazvino matekinoroji. Inogona kubva kumusoro-yekutanga-yemhando-yemhando nekuti iyo yekupfeka yakavhurika kune tsvina kwenguva shoma. Inogona kupa nzira yekudzikisa kana kubvisa VOC panzvimbo yako. Iyo tekinoroji inogona kuunza kukosha. Indasitiri yeUV nevapedzi vanofanirwa kuenderera mberi nekushanda pamwechete kugadzira zvigadziriso zvinovandudza mutsetse wepasi.
Nguva yekutumira: Mar-14-2023
