Kutsekeka kwa maselo ozungulira a anilox kwenikweni ndi nkhani yosapeŵeka kwambiri pakugwiritsa ntchito ma roller a anilox, Mawonekedwe ake amagawidwa m'magulu awiri: kutsekeka kwa pamwamba pa roller ya anilox (Chithunzi.1) ndi kutsekeka kwa maselo ozungulira a anilox (Chithunzi. 2).
Chithunzi .1
Chithunzi .2
Dongosolo la inki la flexo limakhala ndi chipinda cha inki (dongosolo lotsekera inki), chozungulira cha anilox, silinda ya mbale ndi substrate. Ndikofunikira kukhazikitsa njira yokhazikika yosamutsira inki pakati pa Chipinda cha inki, maselo ozungulira a anilox, pamwamba pa madontho a mbale yosindikizira ndi pamwamba pa substrate kuti mupeze zosindikiza zapamwamba. Mu njira iyi yosamutsira inki, kuchuluka kwa kusamutsa inki kuchokera pa mpukutu wa anilox kupita pamwamba pa mbale ndi pafupifupi 40%, kusamutsa inki kuchokera pa mbale kupita ku substrate ndi pafupifupi 50%, Zitha kuwoneka kuti kusamutsa njira ya inki sikophweka kusamutsa thupi, koma njira yovuta kuphatikiza kusamutsa inki, kuumitsa inki, ndi kusungunukanso inki; Pamene liwiro losindikiza la makina osindikizira a flexo likufulumira komanso mwachangu, njira yovutayi sidzakhala yovuta kwambiri, komanso kuchuluka kwa kusinthasintha kwa kutumiza njira ya inki kudzakhala mofulumira komanso mwachangu; Zofunikira za mawonekedwe enieni a mabowo zikukulirakuliranso.
Ma polima okhala ndi njira yolumikizirana amagwiritsidwa ntchito kwambiri mu inki, monga polyurethane, acrylic resin, ndi zina zotero, kuti akonze kumatirira, kukana kukwawa, kukana madzi ndi kukana mankhwala kwa inki. Popeza kuchuluka kwa inki m'maselo ozungulira a anilox ndi 40% yokha, kutanthauza kuti, inki yambiri m'maselo imakhala pansi pa maselo nthawi yonse yosindikiza. Ngakhale gawo la inki litasinthidwa, n'zosavuta kuti inkiyo ithe m'maselo. Kulumikizana kwa resin kumachitika pamwamba pa substrate, zomwe zimapangitsa kuti maselo a mpukutu wa anilox atsekeke.
N'zosavuta kumvetsetsa kuti pamwamba pa chozungulira cha anilox pali chotsekedwa. Kawirikawiri, chozungulira cha anilox chimagwiritsidwa ntchito molakwika, kotero kuti inki imatsukidwa ndikulumikizidwa pamwamba pa chozungulira cha anilox, zomwe zimapangitsa kuti chitsekeke.
Kwa opanga mipukutu ya anilox, kafukufuku ndi chitukuko cha ukadaulo wokutira ceramic, kusintha kwa ukadaulo wogwiritsa ntchito laser, komanso kusintha kwa ukadaulo wochizira pamwamba pa ceramic pambuyo polemba mipukutu ya anilox kungachepetse kutsekeka kwa maselo a mipukutu ya anilox. Pakadali pano, njira zomwe zimagwiritsidwa ntchito kwambiri ndi kuchepetsa m'lifupi mwa khoma la maukonde, kukonza kusalala kwa khoma lamkati la maukonde, ndikuwonjezera kupendekera kwa chophimba cha ceramic.
Kwa makampani osindikizira, liwiro louma la inki, kusungunuka kwa madzi, ndi mtunda kuchokera pamalo osindikizira mpaka pamalo osindikizira zingasinthidwenso kuti zichepetse kutsekeka kwa maselo ozungulira a anilox.
Kudzimbiritsa
Kuzimiririka kumatanthauza kuoneka kwa zinthu zooneka ngati nsonga pamwamba pa chozungulira cha anilox, monga momwe zasonyezedwera pa Chithunzi 3. Kuzimiririka kumachitika chifukwa cha chotsukira chomwe chimalowa pansi pa denga la ceramic, ndikuwononga chozungulira chachitsulo chapansi, ndikuswa denga la ceramic kuchokera mkati, zomwe zimapangitsa kuti chozungulira cha anilox chiwonongeke (Chithunzi 4, Chithunzi 5).
Chithunzi 3
Chithunzi 4
Chithunzi 5 cha dzimbiri pansi pa maikulosikopu
Zifukwa za dzimbiri ndi izi:
① Mabowo a chophimbacho ndi akuluakulu, ndipo madziwo amatha kufika pa base roller kudzera m'mabowo, zomwe zimapangitsa kuti base roller iwonongeke.
② Kugwiritsa ntchito zinthu zotsukira monga ma asidi amphamvu ndi ma alkali amphamvu kwa nthawi yayitali, popanda kusamba nthawi yake komanso kuumitsa mpweya mutagwiritsa ntchito.
③ Njira yoyeretsera si yolondola, makamaka pakuyeretsa zida kwa nthawi yayitali.
④ Njira yosungira si yolondola, ndipo imasungidwa pamalo ozizira kwa nthawi yayitali.
⑤ pH ya inki kapena zowonjezera ndi yokwera kwambiri, makamaka inki yochokera m'madzi.
⑥ Chozungulira cha anilox chimakhudzidwa panthawi yokhazikitsa ndi kumasula, zomwe zimapangitsa kuti pakhale kusintha kwa kusiyana kwa ceramic layer.
Ntchito yoyamba nthawi zambiri imanyalanyazidwa chifukwa cha nthawi yayitali pakati pa kuyamba kwa dzimbiri ndi kuwonongeka kwa mpukutu wa anilox. Chifukwa chake, mutapeza vuto la mpukutu wa anilox wa ceramic, muyenera kulankhulana ndi wogulitsa ma ceramic anilox roller nthawi yake kuti mufufuze chomwe chayambitsa mpukutuwo.
Kukwapula kozungulira
Kukwapula kwa ma roll a anilox ndi mavuto omwe amakhudza kwambiri moyo wa ma roll a anilox.(a)chithunzi 6）Chifukwa chakuti tinthu tating'onoting'ono pakati pa chopukutira cha anilox ndi tsamba la dokotala, pansi pa mphamvu, timaswa zoumba pamwamba pa chopukutira cha anilox, ndikutsegula makoma onse a maukonde mozungulira njira yosindikizira kuti apange mzere. Kuchita bwino pa chopukutiracho kumawoneka ngati mizere yakuda.
Chithunzi 6 Mpukutu wa Anilox wokhala ndi mikwingwirima
Vuto lalikulu la mikwingwirima ndi kusintha kwa kuthamanga pakati pa tsamba la dokotala ndi chopukutira cha anilox, kotero kuti kuthamanga koyambirira kwa maso ndi maso kumakhala kuthamanga kwapafupi; ndipo liwiro lalikulu losindikiza limapangitsa kuthamanga kukwera kwambiri, ndipo mphamvu yowononga ndi yodabwitsa. (Chithunzi 7)
Chithunzi 7: mikwingwirima yoopsa
Kukwapula konse
mikwingwirima yaying'ono
Kawirikawiri, kutengera liwiro losindikiza, mikwingwirima yomwe imakhudza kusindikiza imapangika mkati mwa mphindi 3 mpaka 10. Pali zinthu zambiri zomwe zimasintha kuthamanga kumeneku, makamaka kuchokera kuzinthu zingapo: anilox roller yokha, kuyeretsa ndi kusamalira makina a doctor blade, mtundu ndi kukhazikitsa ndi kugwiritsa ntchito doctor blade, komanso zolakwika pa kapangidwe ka zida.
1. chozungulira cha anilox chokha
(1) Kukonza pamwamba pa chopukutira cha anilox cha ceramic sikokwanira mukamaliza kuchilemba, ndipo pamwamba pake ndi povuta kukanda chopukutira ndi tsamba la chopukutiracho.
Malo olumikizirana ndi anilox roller asintha, kuonjezera kupanikizika, kuchulukitsa kupanikizika, ndikuswa ukonde pamene ukugwira ntchito mwachangu kwambiri.
Pamwamba pa chopukutira chojambulidwacho pamakhala mikwingwirima.
(2) Mzere wozama wopukuta umapangidwa panthawi yopukuta ndi kupukutira bwino. Izi zimachitika nthawi zambiri pamene mpukutu wa anilox waperekedwa, ndipo mzere wopukutidwa pang'ono sukhudza kusindikiza. Pankhaniyi, kutsimikizira kusindikiza kuyenera kuchitika pamakina.
2. kuyeretsa ndi kukonza dongosolo la tsamba la dokotala
(1) Kaya mulingo wa tsamba la dokotala wa chamber wakonzedwa, tsamba la dokotala wa chamber lomwe lili ndi mulingo woyipa lidzayambitsa kupanikizika kosagwirizana. (Chithunzi 8)
Chithunzi 8
(2) Kaya chipinda cha tsamba la dokotala chikhale choyimirira, chipinda cha inki chosayimirira chidzawonjezera pamwamba pa tsambalo. Ndithudi, chidzawononga mwachindunji chozungulira cha anilox. Chithunzi 9
Chithunzi 9
(3) kuyeretsa makina a chipinda cha dokotala ndikofunikira kwambiri, Kuteteza kuti zinyalala zisalowe mu makina a inki, zomwe zimamatira pakati pa tsamba la dokotala ndi chopukutira cha anilox. Izi zimapangitsa kuti mphamvu ya inki isinthe. Inki youma nayonso ndi yoopsa kwambiri.
3. Kukhazikitsa ndi kugwiritsa ntchito tsamba la dokotala
(1) Ikani tsamba la dokotala wa chamber molondola kuti muwonetsetse kuti tsambalo silikuwonongeka, tsambalo ndi lolunjika popanda mafunde, ndipo limagwirizanitsidwa bwino ndi chogwirira tsamba, monga
Monga momwe zasonyezedwera pa Chithunzi 10, onetsetsani kuti kuthamanga kwa mpweya kuli kofanana ndi pamwamba pa chopukutira cha anilox.
Chithunzi 10
(2) Gwiritsani ntchito zokokera zapamwamba kwambiri. Chitsulo chokokera chapamwamba kwambiri chili ndi kapangidwe kolimba ka mamolekyulu, monga momwe zasonyezedwera pa Chithunzi 11 (a), mutagwiritsa ntchito zinthuzo. Tinthu tating'onoting'ono ndi tofanana; kapangidwe ka mamolekyulu ka chitsulo chokokera chapamwamba kwambiri sikokwanira, ndipo tinthu tating'onoting'ono timakhala tambiri mutagwiritsa ntchito zinthuzo, monga momwe zasonyezedwera pa Chithunzi 11 (b) chomwe chawonetsedwa.
Chithunzi 11
(3) Sinthani mpeni wa tsamba munthawi yake. Mukasintha, samalani kuti muteteze m'mphepete mwa mpeni kuti usagwedezeke. Mukasintha nambala yosiyana ya mzere wa anilox, muyenera kusintha mpeni wa tsamba. Mlingo wowonongeka wa anilox roller yokhala ndi manambala osiyanasiyana a mzere siwofanana, monga momwe zasonyezedwera pa Chithunzi 12, chithunzi chakumanzere ndi chithunzi cha nambala yotsika Kupukuta mpeni wa tsamba pa mpeni wa tsamba Mkhalidwe wa nkhope yowonongeka ya kumapeto, chithunzi chomwe chili kumanja chikuwonetsa momwe nkhope yowonongeka ya mzere wapamwamba wa anilox roller imagwirira ntchito ndi mpeni wa tsamba. Malo olumikizirana pakati pa tsamba la dokotala ndi anilox roller yokhala ndi milingo yosiyana yovalira amasintha, zomwe zimapangitsa kusintha kwa kuthamanga ndi kukanda.
Chithunzi 12
(4) Kupanikizika kwa squeegee kuyenera kukhala kopepuka, ndipo kupanikizika kwakukulu kwa squeegee kudzasintha malo olumikizirana ndi ngodya ya squeegee ndi anilox roller, monga momwe zasonyezedwera pa Chithunzi 13. N'zosavuta kulowetsa zinyalala, ndipo zinyalala zomwe zalowetsedwamo zidzayambitsa mikwingwirima mutasintha kupanikizika. Ngati kupanikizika kosafunikira kukugwiritsidwa ntchito, padzakhala michira yachitsulo yosweka pa gawo la scraper yomwe yasinthidwa Chithunzi 14. Ikagwa, imagwidwa pakati pa scraper ndi anilox roller, zomwe zingayambitse mikwingwirima pa anilox roller.
Chithunzi 13
Chithunzi 14
4. zolakwika pa kapangidwe ka zida
Zolakwika pa kapangidwe kake zingayambitsenso kukanda mosavuta, monga kusagwirizana pakati pa kapangidwe ka inki ndi kukula kwa mpukutu wa anilox. Kapangidwe kosayenera ka ngodya yotsekeka, kusagwirizana pakati pa kukula ndi kutalika kwa mpukutu wa anilox, ndi zina zotero, kudzabweretsa zinthu zosatsimikizika. Zitha kuwoneka kuti vuto la kukanda mozungulira mpukutu wa anilox ndi lovuta kwambiri. Kusamala kusintha kwa kuthamanga, kuyeretsa ndi kukonza pa nthawi yake, kusankha chokanda choyenera, ndi zizolowezi zabwino komanso zolongosoka zogwirira ntchito kungathandize kwambiri kuchepetsa vuto la kukanda.
Kugundana
Ngakhale kuti kuuma kwa zoumbaumba kumakhala kwakukulu, ndi zinthu zosweka. Chifukwa cha mphamvu yakunja, zoumbaumba zimakhala zosavuta kugwa ndikupanga mabowo (Chithunzi 15). Kawirikawiri, ziphuphu zimachitika potsegula ndi kutulutsa zoumbaumba za anilox, kapena zida zachitsulo zimagwera pamwamba pa zoumbaumba. Yesetsani kusunga malo osindikizira ali oyera, ndipo pewani kuyika zinthu zazing'ono mozungulira makina osindikizira, makamaka pafupi ndi thireyi ya inki ndi roller ya anilox. Ndikofunikira kuchita bwino ntchito ya anilox. Chitetezo choyenera cha roller kuti zinthu zazing'ono zisagwe ndi kugundana ndi roller ya anilox. Mukatsegula ndi kutulutsa roller ya anilox, ndikofunikira kuikulunga ndi chivundikiro choteteza chosinthasintha musanagwiritse ntchito.
Chithunzi 15
Nthawi yotumizira: Feb-23-2022