1. Chii chinoitika kana ingi yanyanya kucheneswa?Pane dzidziso yekuti kana ingi ikaonekwa nechiedza cheultraviolet chakawandisa, icharamba ichiwedzera kuoma. Kana vanhu vakadhinda imwe ingi pafirimu reiyi ingi yakaoma voiomesa kechipiri, kubatana pakati pezvikamu zveinki zvepamusoro nepazasi kuchava kwakashata.
Imwe dzidziso ndeyekuti kuomesa zvakanyanya kunokonzera kuomesa kweinki pamusoro. Kuomesa kweinki kunoparadza mabhondi emakemikari ari pamusoro pefirimu reinki. Kana mabhondi emolecular ari pamusoro pefirimu reinki akaora kana kukuvara, kubatana pakati payo neimwe layer yeinki kuchaderera. Mafirimu einki akaomesa zvakanyanya haasi chete anochinjika zvishoma, asiwo anowanzo pwanyika pamusoro.
2. Sei mamwe ma UV inks achipora nekukurumidza kupfuura mamwe?Inki dzeUV dzinowanzo gadzirwa zvichienderana nehunhu hwezvimwe zvinhu uye zvinodiwa zvemamwe mashandisirwo. Kubva pamaonero emakemikari, inki inokurumidza kupora, kuchinjika kwayo kunowedzera kuipa mushure mekupora. Sezvaunogona kufungidzira, kana inki yapora, mamorekuru einki achasangana nemaitiro ekubatanidza. Kana mamorekuru aya akaumba huwandu hwakawanda hwemaketani emamorekuru ane matavi akawanda, inki ichapora nekukurumidza asi haizochinjiki zvakanyanya; kana mamorekuru aya akaumba huwandu hushoma hwemaketani emamorekuru asina matavi, inki inogona kupora zvishoma nezvishoma asi zvechokwadi ichave inochinjika zvikuru. Inki zhinji dzakagadzirirwa zvichienderana nezvinodiwa zvekushandisa. Semuenzaniso, kune inki dzakagadzirirwa kugadzirwa kwemasukirwo emembrane, firimu reinki rakagadziriswa rinofanira kunge rinoenderana nezvinonamatira zvakasanganiswa uye rive rinochinjika zvakakwana kuti rigone kugadziriswa zvinotevera senge kuchekwa kwedie uye embossing.
Zvakakosha kuziva kuti zvinhu zvinoshandiswa muinki hazvigone kushanda nepamusoro pe substrate, zvikasadaro zvinokonzeresa kutsemuka, kupwanyika kana kupatsanurwa. Inki dzakadaro dzinowanzo pora zvishoma nezvishoma. Inki dzakagadzirirwa kugadzira makadhi kana mabhodhi epurasitiki akaoma hadzidi kuchinjika kwakanyanya uye dzinooma nekukurumidza zvichienderana nezvinodiwa pakushandisa. Ingave inki inooma nekukurumidza kana zvishoma nezvishoma, tinofanira kutanga pakushandisa kwekupedzisira. Imwe nyaya inofanirwa kucherechedzwa ndeyemichina yekupisa. Mamwe mainki anogona kupora nekukurumidza, asi nekuda kwekushanda kwakaderera kwemichina yekupisa, kumhanya kwekupisa kweinki kunogona kuderedzwa kana kusapora zvakakwana.
3. Sei firimu re polycarbonate (PC) richishanduka kuita yero pandinoshandisa inki yeUV?Polycarbonate inonzwa kupenya kwemwaranzi ye ultraviolet ine wavelength iri pasi pe 320 nanometers. Kutsvuka kweganda pamusoro pefirimu kunokonzerwa nekutyoka kwecheni yemamorekuru kunokonzerwa ne photooxidation. Mapurasitiki emolekyuli anotora simba rechiedza che ultraviolet oburitsa ma free radicals. Aya ma free radicals anopindura neokisijeni mumhepo uye anochinja chitarisiko uye hunhu hwepurasitiki.
4. Nzira yekudzivirira kana kubvisa sei kutsvuka kwenzvimbo yepolycarbonate?Kana inki yeUV ikashandiswa kudhinda pafirimu repolycarbonate, ruvara rweyero pamusoro payo runogona kuderedzwa, asi harugone kubviswa zvachose. Kushandisa mababu anochenesa ane iron yakawedzerwa kana gallium kunogona kuderedza kuitika kweruvara urwu rweyero. Mababu aya anoderedza kubuda kwemwaranzi ye ultraviolet inokurumidza kudonha kuti isakuvadzwe ne polycarbonate. Pamusoro pezvo, kugadzirisa ruvara rweyinki zvakanaka kuchabatsirawo kuderedza nguva yekuratidzwa kwe substrate kuchiedza che ultraviolet uye kuderedza mukana wekuti polycarbonate film ishanduke ruvara.
5. Chii chiri hukama huripo pakati pema setting parameters (watts per inch) pa UV curing lamp uye ma readings atinoona pa radiometer (watts per square centimeter kana milliwatts per square centimeter)?
Watts pa inch ndiyo simba remwenje wekupisa, iro rinobva kuOhm's law volts (voltage) x amps (current) = watts (simba); nepo watts pa square centimeter kana milliwatts pa square centimeter zvichimiririra peak illuminance (UV energy) pa unit area kana radiometer ichipfuura pasi pemwenje wekupisa. Peak illuminance inoenderana zvikuru nesimba remwenje wekupisa. Chikonzero nei tichishandisa watts kuyera peak illuminance ndechekuti inomiririra simba remagetsi rinoshandiswa nerambi rekupisa. Kuwedzera pahuwandu hwemagetsi anogamuchirwa nechikamu chekupisa, zvimwe zvinhu zvinokanganisa peak illuminance zvinosanganisira mamiriro uye geometry ye reflector, zera rerambi rekupisa, uye daro riri pakati perambi rekupisa nepamusoro pekupisa.
6. Musiyano uripo pakati pemamillijoules nemamilliwatts ndeupi?Simba rose rinopfurwa nemwaranzi panzvimbo yakati wandei kwenguva yakati rinowanzo ratidzwa mumajoules pa sendimita imwe neimwe kana ma millijoules pa sendimita imwe neimwe. Rinonyanya kuenderana nekumhanya kwebhandi rekufambisa, simba, nhamba, zera, mamiriro emwenje inopfurwa, uye chimiro nemamiriro ezviratidziri zviri musystem inopfurwa. Simba resimba reUV kana simba remwaranzi rinopfurwa kune imwe nzvimbo rinonyanya kuratidzwa mu watts/sendimita imwe chete kana ma milliwatts/sendimita imwe chete. Simba reUV rinopfurwa nemwaranzi pamusoro pe substrate, simba rakawanda rinopinda mufirimu reinki. Ingava ma milliwatts kana ma millijoules, rinogona kuyerwa chete kana kunzwisiswa kwewavelength kweradiometer kuchizadzisa zvinodiwa.
7. Tingaita sei kuti inki yeUV irambe yakapfava?Kugadzika kwefirimu reinki kana richipfuura nepakati pechikamu chekupisa kekutanga kwakakosha zvikuru. Kugadzika kwakakodzera kunogona kuderedza kugadzika kwesubstrate, kugadzika zvakanyanya, kunyorovesa zvakare uye kusagadzika zvakanyanya, uye kugadzirisa kunamira pakati peinki nekunhuhwirira kana pakati pemachira. Mafekitori ekudhinda escreen anofanira kuona maparamita ekugadzira usati watanga kugadzira. Kuti tiedze kushanda kweinki yeUV, tinogona kutanga kudhinda nekukurumidza kwakaderera kunobvumirwa nesubstrate uye kuchenesa masampuli akadhindwa kare. Zvadaro, isa simba rerambi rekupisa kusvika pakukosha kwakataurwa nemugadziri weinki. Patinenge tichibata nemavara asiri nyore kuporesa, akadai sedema nechena, tinogonawo kuwedzera maparamita erambi rekupisa. Mushure mekunge pepa rakadhindwa ratonhora, tinogona kushandisa nzira yemumvuri wedivi rimwe chete kuti tione kunamira kwefirimu reinki. Kana sampuro ikakwanisa kupasa bvunzo zvakanaka, kumhanya kwepepa rekutumira kunogona kuwedzerwa nemamita gumi paminiti, uye kudhinda nekuyedza kunogona kuitwa kusvika firimu reinki rarasikirwa nekunamira kune substrate, uye kumhanya kwebhandi rekutumira uye maparamita erambi rekuporesa panguva ino zvanyorwa. Zvadaro, kumhanya kwebhandi rekufambisa zvinhu kunogona kuderedzwa ne20-30% zvichienderana nehunhu hwesystem yeinki kana kurudziro yemutengesi weinki.
8. Kana mavara acho asingapindirane, ndinofanira kunetseka here nezvekunyanya kupora?Kupisa zvakanyanya kunoitika kana pamusoro pefirimu reinki painotora chiedza cheUV chakawandisa. Kana dambudziko iri rikasawanikwa uye rikasagadziriswa nenguva, pamusoro pefirimu reinki pachawedzera kuoma. Ehe, chero bedzi tisingashandise mavara zvakanyanya, hatifaniri kunetseka zvakanyanya nezvedambudziko iri. Zvisinei, tinofanira kufunga nezvechimwe chinhu chakakosha, icho chiri firimu kana substrate iri kudhindwa. Mwenje weUV unogona kukanganisa nzvimbo zhinji dzesubstrate uye mamwe mapurasitiki anonzwa chiedza cheUV chewavelength yakati. Kunzwa uku kwema wavelength chaiwo pamwe chete neokisijeni mumhepo kunogona kukonzera kuora kwepurasitiki. Mabhondi emolecular pamusoro pesubstrate anogona kutyoka uye kukonzera kubatana pakati peinki yeUV nesubstrate kutadza. Kuora kwebasa repamusoro pesubstrate inzira inoitika zvishoma nezvishoma uye ine chekuita zvakananga nesimba remwenje weUV raanogamuchira.
9. Inki yeUV inki yegirini here? Sei?Kana tichienzanisa neinki dzinoshandiswa muzvinhu zvinonyungudutsa mvura, inki dzeUV dzinochengetedza nharaunda zvakanyanya. Inki dzinorapika neUV dzinogona kuva dzakasimba zvakakwana, zvichireva kuti zvikamu zvese zveinki zvichava firimu reinki rekupedzisira.
Inki dzinoshandiswa pakunyungudutsa mvura, kune rumwe rutivi, dzinoburitsa zvinonyungudutsa mumhepo sezvo firimu reinki rinooma. Sezvo zvinonyungudutsa zviri zvinhu zvinoshanduka kuita organic, zvinokuvadza nharaunda.
10. Chii chinonzi chiyero chekuyera data rehuwandu hwehuwandu hunoratidzwa padensitometer?Kuwanda kwechiedza hakune mayuniti. Densitometer inoyera huwandu hwechiedza chinoratidzwa kana chinotumirwa kubva panzvimbo yakadhindwa. Ziso remagetsi rinoshandisa mwenje rakabatana nedensitometer rinogona kushandura chikamu chechiedza chinoratidzwa kana chinotumirwa kuita chiyero chehuremu.
11. Ndezvipi zvinhu zvinokanganisa kuwanda kwehuwandu hwevanhu?Mukudhinda pachikirini, zvinhu zvinokanganisa density values zvinonyanya kukanganisa inki firimu ukobvu, ruvara, saizi uye huwandu hwepigment particles, uye ruvara rwe substrate. Optical density inonyanya kutsanangurwa nekusaonekwa uye ukobvu hwe inki firimu, izvo zvinokanganiswa nehukuru nehuwandu hwepigment particles uye light absorption yavo uye streaming properties.
12. Chii chinonzi dyne level?Dyne/cm chinhu chinoshandiswa kuyera kushushikana kwepadenga. Kushushikana uku kunokonzerwa nekukwezvwa kwemvura yakati (kushushikana kwepadenga) kana yakasimba (simba repadenga). Panyaya dzinoshanda, tinowanzodaidza parameter iyi kuti dyne level. Dyne level kana simba repadenga rechinhu chakati rinomiririra kunyorova kwayo uye kunamatira kweinki. Simba repadenga chinhu chinowanikwa muchinhu. Mafirimu mazhinji nemidziyo inoshandiswa mukudhinda ine mazinga akaderera ekudhinda, akadai se31 dyne/cm polyethylene uye 29 dyne/cm polypropylene, uye nekudaro inoda kurapwa kwakakosha. Kurapa kwakakodzera kunogona kuwedzera mazinga edyne emamwe midziyo, asi kwenguva pfupi chete. Paunenge wagadzirira kudhinda, kune zvimwe zvinhu zvinokanganisa mazinga edyne echinhu chakati, zvakaita se: nguva nenhamba yekurapa, mamiriro ekuchengetedza, hunyoro hwemhepo uye mazinga eguruva. Sezvo mazinga edyne achigona kuchinja nekufamba kwenguva, vazhinji vanodhinda vanofunga kuti zvakakosha kugadzirisa kana kugadzirisazve mafirimu aya vasati vadhinda.
13. Kurapa moto kunoitwa sei?Mapurasitiki haana maburi uye ane pamusoro usina simba (simba shoma pamusoro). Kurapa moto inzira yekugadzirira mapurasitiki kuti awedzere simba repamusoro pe substrate. Kuwedzera kune kudhinda mabhodhoro epurasitiki, nzira iyi inoshandiswawo zvakanyanya mumaindasitiri emotokari nekugadzira mafirimu. Kurapa moto hakungowedzeri simba repamusoro chete, asiwo kunobvisa kusvibiswa kwepamusoro. Kurapa moto kunosanganisira maitiro akasiyana-siyana akaomarara emuviri nemakemikari. Maitiro emuviri ekurapa moto ndeekuti moto wepamusoro unotamisa simba kuenda kumafuta netsvina iri pamusoro pe substrate, zvichiita kuti zvitsvuke pasi pekupisa uye zvinoita basa rekuchenesa; uye mashandiro awo emakemikari ndeekuti moto une huwandu hwakawanda hwemaion, ane hunhu hwakasimba hwe oxidizing. Kana kupisa kwakanyanya, unosangana nepamusoro pechinhu chakarapwa kuti ugadzire jira remapoka anoshanda e polar pamusoro pechinhu chakarapwa, izvo zvinowedzera simba rayo pamusoro uye nokudaro zvinowedzera kugona kwayo kupinza mvura.
14. Chii chinonzi kurapwa kwekorona?Kubuda kweCorona inzira imwe yekuwedzera dyne level. Nekushandisa voltage yakakwira pa media roller, mhepo yakapoteredza inogona kuiswa ion. Kana substrate ikapfuura nepakati penzvimbo iyi ine ion, mamorekuru ari pamusoro pechinhu chinotyoka. Nzira iyi inowanzo shandiswa mukudhinda zvinhu zvitete zvefirimu.
15. Plastiki inokanganisa sei kunamira kweinki paPVC?Plasticizer ikemikari inoita kuti zvinhu zvakadhindwa zvinyorove uye zvive nyore kuchinjika. Inoshandiswa zvakanyanya muPVC (polyvinyl chloride). Rudzi nehuwandu hweplasticizer inowedzerwa kuPVC inochinjika kana mamwe mapurasitiki zvinonyanya kuenderana nezvinodiwa nevanhu zvemakanika, kupisa uye hunhu hwemagetsi hwezvinhu zvakadhindwa. Mapurasitiki ane mukana wekufamba achienda pamusoro pesubstrate uye kukanganisa kunamira kweinki. Mapurasitiki anoramba ari pamusoro pesubstrate anosvibisa simba repamusoro pesubstrate. Kana zvinhu zvakasvibiswa zvakawanda pamusoro, simba repamusoro rinoderera uye inki inonamira zvishoma. Kuti udzivise izvi, munhu anogona kuchenesa substrate ne soft cleaning solvent asati adhinda kuti avandudze kudhindwa kwawo.
16. Marambi mangani andinofanira kushandisa kuti ndikwanise kuadzima?Kunyangwe sisitimu yeinki nerudzi rwesubstrate zvichisiyana, kazhinji, sisitimu imwe chete yekupisa rambi yakakwana. Ehe, kana uine bhajeti yakakwana, unogona zvakare kusarudza unit yekupisa rambi mbiri kuti uwedzere kumhanya kwekupisa. Chikonzero nei rambi mbiri dzekupisa dziri nani pane rimwe ndechekuti sisitimu yemwenje miviri inogona kupa simba rakawanda kusubstrate nekumhanya kumwe chete kwekutumira uye magadzirirwo eparameter. Chimwe chezvinhu zvakakosha zvatinofanira kufunga nezvazvo ndechekuti unit yekupisa inogona here kuomesa inki yakadhindwa nekumhanya kwakajairika.
17. Kusimba kweinki kunokanganisa sei kudhindwa kwayo?Inki zhinji dzine thixotropic, zvinoreva kuti viscosity yavo inochinja nekucheka, nguva netembiricha. Pamusoro pezvo, kana shear rate yakakwira, viscosity yeinki inodzikira; kana tembiricha yemhepo yakakwira, viscosity yegore negore yeinki inodzikira. Inki dzekudhinda pachikirini dzinowanzo budirira zvakanaka pamuchina wekudhinda, asi dzimwe nguva pachava nematambudziko ekudhindwa zvichienderana nemagadzirirwo emuchina wekudhinda uye kugadziriswa kwepre-press. Viscosity yeinki pamuchina wekudhinda yakasiyanawo nekupenya kwayo mu cartridge yeinki. Vagadziri veinki vanoisa huwandu hwakati hwe viscosity yezvigadzirwa zvavo. Kune inki dzakatetepa kana dzine viscosity yakaderera, vashandisi vanogonawo kuwedzera zvinogozha zvakakodzera; kune inki dzakakora kana dzine viscosity yakawanda, vashandisi vanogonawo kuwedzera diluents. Pamusoro pezvo, unogona zvakare kubata mutengesi weinki kuti uwane ruzivo nezvechigadzirwa.
18. Ndezvipi zvinhu zvinokanganisa kugadzikana kana hupenyu hwemasherufu einki dzeUV?Chinhu chakakosha chinokanganisa kugadzikana kweinki ndiko kuchengetwa kweinki. Inki dzeUV dzinowanzo chengetwa mumakatriji einki epurasitiki pane makatriji einki esimbi nekuti magaba epurasitiki ane mwero wekupinda kweokisijeni, izvo zvinogona kuve nechokwadi chekuti pane mukaha wemhepo pakati pepamusoro peinki nechivharo chemudziyo. Mukaha uyu wemhepo - kunyanya okisijeni mumhepo - unobatsira kuderedza kubatana kweinki nguva isati yakwana. Kuwedzera pakurongedza, tembiricha yemudziyo weinki inokoshawo kuti irambe yakasimba. Kupisa kwakanyanya kunogona kukonzera kusawirirana nguva isati yakwana uye kubatana kweinki. Kugadziriswa kwekugadzirwa kweinki yekutanga kunogonawo kukanganisa kugadzikana kweinki pasherufu. Zvimwe zvinowedzera, kunyanya macatalyst nemaphotoinitiators, zvinogona kupfupisa hupenyu hwesherufu yeinki.
19. Ndeupi musiyano uripo pakati pekunyorwa kwechinyorwa (IML) nekushongedza chinyorwa (IMD)?Kunyora muchimiro uye kushongedzwa muchimiro zvinoreva chinhu chimwe chete, kureva kuti, label kana firimu rekushongedza (rakagadzirwa kare kana kuti risiri) rinoiswa muchimiro uye purasitiki yakanyungudutswa inoritsigira chikamu chacho chinenge chaumbwa. Malabel anoshandiswa muchimiro chekutanga anogadzirwa achishandisa matekinoroji akasiyana ekudhinda, akadai segravure, offset, flexographic kana screen printing. Malabel aya anowanzo dhindwa chete pamusoro pechinhu chacho, nepo divi risina kudhindwa rakabatana ne injection mold. Kushongedza muchimiro kunonyanya kushandiswa kugadzira zvikamu zvakasimba uye kunowanzo dhindwa pamusoro wechipiri wefirimu rinoonekera. Kushongedza muchimiro kunowanzo dhindwa uchishandisa screen printer, uye mafirimu neUV inks zvinoshandiswa zvinofanirwa kunge zvichienderana ne injection mold.
20. Chii chinoitika kana mudziyo wekugadzirisa nitrogen ukashandiswa kurapa inki dzeUV dzine mavara?Masisitimu ekugadzirisa anoshandisa nitrogen kuporesa zvigadzirwa zvakadhindwa ave aripo kwemakore anopfuura gumi. Masisitimu aya anonyanya kushandiswa mukugadzirisa machira ne membrane switches. Nitrogen inoshandiswa pachinzvimbo cheokisijeni nekuti okisijeni inodzivirira kugayiwa kweinki. Zvisinei, sezvo chiedza chinobva mumabarabhu ari mumasisitimu aya chiri chidiki kwazvo, haashande zvakanyanya mukugadzirisa pigments kana inki dzine mavara.
Nguva yekutumira: Gumiguru-24-2024
