Kak chasto nuzhno menyat dempfery, lezviya vaypera i kapping-stantsii? | GNFEI
Kak chasto nuzhno menyat dempfery, lezviya vaypera i kapping-stantsii?
V sfehre tekstilnoy pryamoy DTG pechati vladeltsy tcekhov traditsionno trepetno sledyat za sostoyaniem pechatayushchey golovki. Pri tsene ot 800 do 1 800 dollarov za uzel Epson ili Ricoh MicroPiezo ona yavlyaetsya samoy dorogoy detalyu na perezhavemoy karetke.
Odnako opytnye inzhenery tekhnicheskoy podderzhki znayut zheleznoe pravilo: pechatayushchie golovki krayne redko umirayut sami po sebe; ikh ubivayut iznoshennye periferiynye raskhodniki. Zabitye dempfery, povrezhdennye nozhi vaypera i poteryavshie vakuum kapping-stantsii vinovny bolee chem v 85% smertelnykh zasorov i delaminatsiy. Nizhe priveden tochnyy inzhenernyy grafik zameny.
Realii DTG pechati: pochemu rashodnye uzly iznashivayutsya v razy bystree
Pechatniki, pereshedshie s UF ili ekosolyventa, chasto shokirovany tem, kak bystro nuzhno menyat uzly na DTG printere. Esli na UF printere dempfery spokoyno sluzhat 12-18 mesyatsev, to na DTG dempfer belogo tsveta mozhet isчерpat resurs uzhe cherez 3-6 mesyatsev.
Dva neotemlemykh faktora tekstilnogo proizvodstva uskoritayut etot iznos:
Fiziko-khimicheskie prichiny bystrogo iznosa uzlov DTG:
1. Plotnoe osazhdenie Dioksida Titana (TiO2)
Belye tekstilnye chernila soderzhat tyazhelyy pigment titana (plotnost ~4,2). Nesmotrya na tsirkulyatsiyu, chastitsy so vremenem uplotnyayutsya v 10-15 mikronnoy setke dempfera i v trubkakh sbrosa, obrazuya plotnye melopodobnye korki.
2. Zagryaznenie Khlopkovym Vorsom i Pyl'yu
Pri ustanovke i sushe futbolok v vozdukh podnimayutsya milliardy volokon tsellyulozy. Etot vors prilipaet k vlazhnomu lezviyu vaypera, prevrashchaya myagkuyu rezinu v nazhdachnyy b桿sok, carapayushchiy dyuznuyu plastinu.
3. Polimerizatsiya Akrilovogo Lateksa na Vozdukhe
Chernila DTG fiksiruyutsya na tkani pri nagreve blagodarya akrilu. Esli uplotnitel kappy nachinaet propuskat mikroskopicheskie potoki vozdukha, chernila v uplotneniyakh za sekundy svorachivayutsya v plotnuyu plastmassu.
Dempfery: Belye kanaly (3-6 Mesyatsev) vs Tsvet CMYK (6-12 Mesyatsev)
Dempfery vypolnyayut dve vazhneyshie funktsii: zaderzhivayut krupnye chastitsy pered vkhodom v dyuzy golovki i gasyat gidroudary (kolebaniya davleniya), voznikayushchie pri rezkikh razgonakh i tormozheniyakh karetki.
Dempfer — eto ne pustoy plastmassovyy korpus. On soderzhit tonchayshuyu filtruyushchuyu setku iz stali ili neylona (10-15 mikron) i gibkuyu polimernuyu membranu s pruzhinoy obratnogo khoda:
Mekhanizm chernilnogo golodaniya (Starvation)
Pri postoyannom prokhode tyazhelykh belykh chernil setka dempfera postepenno zailivaetsya pigmentom. Odnovremenno pod deystviem tsiklov podsosa tonkaya membrana teryaet uprugost i vtyagivaetsya vnutr. Kogda dlya plotnoy beloy podlozhki trebuetsya maksimalnyy rashod chernil, dempfer ne mozhet ego obespechit. Golovka nachinaet khvatat vozduh, pechatat polosami, a pezoelementy peregrevayutsya bez okhlazhdeniya potokom kraski.
Poskolku v belykh chernilakh soderzhitsya v 4-6 raz bolshe tverdykh chastits, chem v CMYK, belye dempfery neobkhodimo menyat kazhdye 3-6 mesyatsev. Tsvetnye dempfery ispytyvayut menshuyu nagruzku i nadezhno sluzhat ot 6 do 12 mesyatsev.
Grafik iznosa i dinamika razvitiya polomok
Tekhnicheskaya skhema naglyadno illyustriruet fazy iznosa dempferov, vaypera i kappinga ot sostoyaniya novogo oborudovaniya do kriticheskoy poteri rabochego vakuuma:
Vaypery (1-3 Mesyatsa) i Kapping-stantsiya (3-6 Mesyatsev): Vakuumnyy shchit
V to vremya kak dempfery stoyat na strazhe golovki sverkhu, lezvie vaypera i kapping zashchishchayut nizhnyuyu ploskost dyuz ot peresykhaniya.
Kharakternye printsipy iznosa uplotnitelnykh i kontaktnykh elementov:
Lezvie Vaypera: Mikrortsarapiny na Ftorpolimere
Srok sluzhby: ot 1 do 3 MesyatsevPoverkhnost dyuznoy plastiny pokryta tonchayshim (0,1 mikrona) gidrofobnym sloem, zadayushchim pryamuyu traektoriyu kapli. Kogda vayper poluchaet zazubriny ili obrastet vorsom, on prevrashchaetsya v shkurku, sdiraya pokrytie i vyzyvaya kosostruy.
Rezina Kappinga: Poterya Germetichnosti Vakuuma
Srok sluzhby: ot 3 do 6 MesyatsevAvtomaticheskaya prochistka trebuet uderzhaniya glubokogo vakuuma (-30 do -50 kPa). Rastvory dlya chistki i nazhim karetki privodyat k ustallosti silikona: kray teryaet formu. Pri podsase vozdukha nasos perestaet vytyagivat chernila iz dyuz.
Poristaya Gubka Kappinga: Kristallizatsiya Polimerov
Risk mekhanicheskogo udaraGubka v chashe kappy uderzhivaet slituyu krasku. So vremenem lateks tverdeet v porakh gubki. Myagkaya podushka prevrashchaetsya v monolitnyy kamen, kotoryy pri parkovke pryamo soderet po dyuzam.
Trubka Peristalticheskogo Nasosa: Polzuchest Silikona
Snizhenie moschnosti otsosaTrubka pod kappoy postoyanno davitsya vrashchayushchimisya rolikami. Cherez 6-12 mesyatsev ona polnostyu deformiruetsya (splushchivaetsya) i teryaet silu vsasyvaniya bolee chem napolovinu.
Svodnaya tablitsa zameny raskhodnykh uzlov DTG
Inzhenernyy analiz periodichesnosti zameny, trevozhnykh simptomov i posledstviy ignorirovaniya:
Planshetnyy Tekstilnyy Printer A3 DTG GNFEI (Golovka Epson XP600 / L1800)
Komplektuetsya bystrosyemnymi dempferami dlya belogo, aktivnoy tsirkulyatsiey WIMS, nadezhnoy germetichnoy kapping-stantsiey i spetsialnym vayperom s zashchitoy ot vorsinok. Garantiruet yarkuyu, plotnuyu i stoykuyu k stirke pechat po temnym tkanyam.
Standartnyy reglament SOP: Kak bezopasno menyat raskhodniki
Pri obsluzhivanii i zamene uzlov na DTG printere strogo soblyudayte tri inzhenernykh pravila:
Obyazatelno zapolnyayte novye dempfery chernilami do montazha
Nikogda ne nadevayte sukhoy dempfer na shtutser golovki! Cherez 10-ml shprits Luer-Lock akkuratno prokachayte chernila cherez trubku, poka dempfer ne zapolnitsya na 60-70 %, i tolko zatem nadevayte ego.
Smachivayte kraya vaypera i kappy promyvochnoy zhidkostyu
Ustanavlivaya novyy vayper ili kappu, smazhte ikh rezinovye kraya glikolevoy zhidkostyu DTG. Trenie sukhoy reziny po sukhoy poverkhnosti mozhet srezat zashchitnyy sloy dyuz pri pervom zhe dvizhenii.
Otrechente vysotu dosadki kappy i proverite vakuum
Posle ustanovki kappy ubedites, chto rezina ravnomerno prozhimayetsya na 1,0-1,5 mm pri parkovke karetki. Naleyte 3 ml promyvki v chashu i zapustite chistku dlya kontrolya mgnovennogo vsasyvaniya.
Chasto Zadavaemye Voprosy (FAQ) po Raskhodnikam DTG
Q1. Kak ponyat, chto pora menyat dempfer belogo tsveta?
Tri yavnykh priznaka: (1) Pechat nachinaetsya plotnym belym, no k nizu risunka poyavlyayutsya polosy; (2) Tonkaya prozrachnaya membrana dempfera postoyanno vtyanuta; (3) Na dne setki dempfera viden plotnyy osadok belogo pigmenta.
Q2. Mozhno li promyt zabityy dempfer shpritsem i postavit obratno?
Kategoriчески ne rekomenduetsya. Dempfer stoit krayne deshevo. Otkachka pod davleniem pochti vsegda rvet 10-mikronnuyu setku libo vygolyaet krupnye chastitsy pryamo v pechatayushchuyu golovku. Vsegda stavte tolko novye detali.
Q3. Pochemu vayper DTG nuzhno menyat kazhdye 1-3 mesyatsa, a na UF dolshe?
Khlopkovye futbolki postoyanno vybrosyvayut vors v vozduh. V sochetanii s abrazivnym dioksidom titana rezina vaypera pokryvaetsya mikrozazubrinami za 60-90 dney i nachinaet rabotat kak pila.
Q4. Chto proiskhodit, kogda kapping teryaet germetichnost?
Nasos ne mozhet sozdat nuzhnoe razrezhenie (-30 do -50 kPa) dlya protyazhki chernil cherez dyuzy. V itoge podsokhshie probki ne vykhodyat, a golovka bystro peresyhaet za noch.
Q5. Menyat li srazu vse dempfery ili tolko belye?
Belye dempfery iznashivayutsya v dva raza bystree. Standartnaya praktika — menyat belye dempfery kazhdye 3-4 mesyatsa, a polnyy nabor (Belyy + CMYK) obnovlyat kazhdye 6-9 mesyatsev.
Q6. Kak proverit, rabotaet li eshche vakuumnyy nasos kappy?
Zaparkuyte karetku, naleyte 3-5 ml vody ili promyvki v kappu i zapustite prochistku. Zhidkost dolzhna uyti za 2-3 sekundy. Esli ona stoit ili ukhodit medlenno — kapa ili trubka podsasyvayut vozduh.
Q7. Kakie instrumenty nuzhny dlya zameny dempferov na golovkakh Epson?
Krestovaya otvertka, bezvorsovye salfetki, 10-ml shprits Luer-Lock s silikonovoy trubkoy dlya zapolneniya, nitrilovye perchatki i fonarik. Obyazatelno otklyuchite printer ot seti pered rabotoy.
Q8. Isklyuchaet li tsirkulyatsiya WIMS neobkhodimost zameny dempferov?
Net. WIMS dvigaet chernila po osnovnym traktam, no chernila vnutri samogo dempfera stoyat mezhdu zadaniyami. Krome togo, setka dempfera prodolzhaet lovit mikrokhlopya i zabivaetsya.
Q9. Mozhet li gryaznyy ili krivoy vayper smeshivat tsveta pri pechati?
Da! Iskrivlennyy nozh ne snimaet krasku, a razmazyvaet izlishki belogo po sosednim tsvetnym ryadam dyuz, iz-za chego tsveta poluchayutsya gryaznymi i serymi.
Q10. Skolko sluzhit peristalticheskaya trubka nasosa na DTG?
Ona sluzhit v srednem ot 6 do 12 mesyatsev. Postoyannyy nazhim rolikov privodit k ustalosti silikona, trubka ostayetsya ploskoy i teryaet bolee 50% sily vsasyvaniya.
