Ink thiab number case tshuav tswj ntawm lithographic offset luam ntawv (4)
Peb yog ib lub tuam txhab luam ntawv loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv xov xwm luam ntawv, phau ntawv luam ntawv, phau ntawv nyuaj, phau ntawv luam tawm, phau ntawv luam tawm, phau ntawv luam tawm, lub thawv ntim, daim qhia ntawv, txhua yam ntawm PVC, cov khoom ntawv, cov ntawv me, cov ntawv nplaum, tag nrho hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
Yog xav paub ntxiv, thov mus saib
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Plaub, ua "ink number". Thaum lub tshuab ua lag luam teb tau hloov tus xoom number case, nws muaj ib tug lej nyias ntawm tus lej ntawm tag nrho number case ciav tus menyuam. Vim hais tias luam tawm ntawm txawv layout (dav) khoom, txawm tias tus lej ntawm tus cartridges tau txais xoom qhov chaw ntawm ob hnub, muaj ib tug cwj mem tsawg. Hlauv pauv mus rau hauv cov quav rau cov tub ntxhais kawm ntawv, kuv xav tias qhov kev sib hloov ntawm qhov kev sib hloov yog ceev heev, qhov number case hloov tseem ceev heev (tib lub tshuab tsis muaj koob npe), tus number case ntawm ob sab ntawm daim duab duab tsis yooj yim yuav tsum tau coj tawm, nws yuav ua rau ntau dua thiab hla dhau Ntawm qhov kawg ntawm cov dej-proof kua nplaum, vim tias muaj ntau cov dej ntawm cov dej gel, dej-hauv-roj hom emulsification yog yooj yim kom tshwm sim rau ob hnub ntawm dej gel, thiab tus qauv roj hauv-dej-hauv cov dej hauv dej yuav muab xauv npo los ntawm kev kub ceev ntawm lub tshuab. Nyob rau ntawm daim txiag phaj, lub npog ntawm ob qho tag nrho ntawm cov ntawv luam tawm yog qias neeg. Lub sij hawm no, dej npaum li cas, thiab qhov teeb meem daws tsis tau. Raws li qhov no, peb tuaj yeem kawm tau los ntawm cov neeg ua lag luam, uas yog, ntawm ob qho kawg ntawm cov ntawv xov xwm luam tawm (tuaj yeem luam tawm ob sab ntawm daim ntawv, thiab sab nraud ntawm txoj kab) kom ua 70 txoj kab, 50 % ntawm qhov dots, 2 mus rau 4 cm qhov dav. Qhov no yog, tus lej ntawm ob sab ntawm lub phaj ntawv yuav tso cai rau tus "number case strip" (tag nrho ob hnub ntawm daim ntawv) kom tau muab tseg, xwv li tias tus number case tsis zwm , thiab nws yog qhov yooj yim mus cuag tus number case tshuav ntawm tag nrho qhov teeb meem.
Thib tsib, tus number case tshuav tracking nkhaus. Txij li cov kev lag luam ntawm kev lag luam luam tawm feem ntau muaj kev hloov los ntawm qeeb qeeb mus rau kev kub ceev los yog kev kub ceev kom qis qis, nws yuav tsum compensate cov dej ntau los sis xaj lej raws li kev hloov ceev, yog li, tus number case tracking tiav. Rau lub tshuab luam ntawv dav dav, tus number case tracking curve yog teem tom qab tawm hauv lub Hoobkas, tiam sis peb cov tswv lag luam yuav tsum tshawb xyuas tus cwj mem thiab dej tshuav nyiaj txiag thaum ua raws li kev hloov ceev ntawm lub tshuab raws li kev tshawb nrhiav mus ntev thiab qhov teeb meem tiag tiag. Yog hais tias lub tshuab tsis muaj zog (80000 rov / h), tom qab optimistic txog tus number case xim, nws yuav accelerate rau 40,000 rpm 2 teev ib zaug, ces nws tus number case thiab dej tshuav yuav tsum muaj ib yam hloov, koj yuav tsum los kho cov feem pua ntawm tus number case thiab dej tshuav, qhov chaw uas tus number case yog loj. Ntxiv cov cwj mem ntxiv, tsawg dua tus cwj mem ntawm qhov chaw me me, tsis ntxiv tus nqi ntawm tus lej ntawm qhov nruab nrab, thiab tsuas muaj cov ntsiab lus zoo, kom tswj tau tus cwj mem zoo thiab dej kom zoo.
Rau, qhov muag liab qab pom. Nyob rau hauv dav dav, lub saum npoo ntawm lub phaj yog me ntsis diffuse, tiam sis tsis dhau ci, thiab tsis muaj dej poob rau ntawm boomper nruab nrab ntawm ob rollers. Txawm li cas los xij, hauv cov ntawv luam, cov dej ntim ntawm lub tshuab yuav tsum yog me ntsis loj dua cov dej ntim ntawm cov tshuab flattening, vim hais tias kev sib hloov ceev yog ceev, dej tsawg dhau lawm, tus cwj mem yog ntau dua rau cov pam, thiab cov tshuab ua teb yog sau nrog tus number case thermosetting. Tus cwj mem tsis tau yooj yim ntawm daim ntawv, thiab tsis ntev nws yuav muab cov thicker thiab tuav cov pam. Tsis tas li ntawd xwb, thaum lub phaj luam ntawv luam tawm txog 200,000 kev pom zoo, qee qhov dots ntawm qhov layout yog npog tawm, thiab nws tsis yog yooj yim los thov tau tus number case. Yog tias daim version tsis noj mis, yuav muaj dej loj thiab loj dua tus cwj mem. Cov cwj mem yuav pib emulsifie thiab rho tawm, los yog zoo rau ib tus lej sauv zoo ib yam li tus xaws ntawv lo yuav tshwm, ua rau khib nyiab. Hauv qhov no, nws yog ib qhov tsim nyog los sau cov dej me me thiab ces txo qee cov cwj pwm. Ntawm chav kawm, qhov no yuav cuam tshuam rau cov xim saturation. Qhov zoo tshaj plaws yog los hloov daim npog qhov muag. Cov no yuav tsum ua raws li cov lus tseeb.
Xya, qhov lej ntawm tus cwj mem thiab ntxuav muag tseem muaj feem xyuam nrog hmoov av ntawm daim ntawv siv luam ntawv, lub zog ntawm dej nqus dej, pH, thiab lwm yam. Qhov no yuav tsum tau xa ntawv muab cov ntaub ntawv tseem ceeb, peb tuaj yeem xa nws cov nqi, thiab ua ib txoj haujlwm zoo ntawm dampening dej. Cov kev faib ua feem ntawm qhov khoom yog zoo dua los tswj tus nqi dej thiab ua kom tau qhov zoo tshaj plaws ntawm tus number case thiab dej tshuav nyiaj.
Xya, cov number case thiab ntxuav seem hauv cov luam tawm ntawm cov ntawv xov xwm xim
Nyob rau hauv cov txheej txheem ntawm cov xim luam, tag nrho kev tswj ntawm tus lej nyiaj tshuav xiav number case, liab number case, daj number case thiab dub number case yuav ncaj qha rau cov luam ntawv zoo ntawm cov ntawv xov xwm xim. Cov ntawv xov xwm kuj yog ib qho tuab thiab nws txoj kev nqhis dej yog qhov muaj zog tshaj li daim ntawv. Feem ntau, tus number case-to-ink tus nqi rau hauv ntawv xov xwm luam tawm ntau tshaj tus lej-rau-number case tshuav ntawm cov ntawv sau-ntawv pov tseg. Hauv kev luam ntawv ntawm cov ntawv xov xwm, raws li cov kev luam ntawv tseem nce ntxiv, lub sijhawm sib cuag ntawm daim ntawv thiab daim pam lub tog raj kheej yog luv thiab luv dua, thiab dej haus ntawm daim ntawv yog tsawg dua. Lub sij hawm no, cov dej haus yog siv los sib npaug ntawm cov ntawv sau txog lub plhaub ntawv. Vim li no, tag nrho cov dej yuav muaj peev xwm txo qis dua qhov kev nce qeeb, nws thiaj li ncav tus nqi tseem ceeb. Tsis tas li ntawd xwb, vim tias daim ntawv qhia xim tsuas yog ib daim duab lossis lub npe me me muaj xim, feem ntau ntawm cov ntawv nyeem thiab lub npe yog tseem dub, yog li tus nqi dej ntawm lub dub chav luam ntawv luam tawm yog ib txwm loj dua li ntawm cov xim luam ntawv thaum lub sij hawm luam ntawv, tab sis dej ntim yuav tsum tsis txhob loj heev, yuav tsum Daim ntawv no tsis raug rau cov tom qab deformation. Cov ntawv xov xwm luam tawm thaum dej ntau dhau lawm muaj qhov zoo nkaus ntawm ntub txhais tes. Yog li ntawd, nws yog qhov yuav tsum tau tswj kom muaj peev xwm tswj tus yees number case-and-wash hauv txoj kev luam ntawv.
Cov nram qab no theoretical tsom xam cov kev cuam tshuam ntawm number case tshuav ntawm qhov zoo ntawm cov ntawv xov xwm luam tawm.
Qhov kev sib tshaw hauv qab no yog hu ua ink-and-wash txhais tau hais tias kom muaj kev zoo ntawm cov ntawv luam ntawm cov ntawv xov xwm thiab cov khoom siv li qub, cov nqi khoom ntawm qhov chaw txhim kho yog kho tom ib qho kev ceev ceev thiab luam ntawv siab, dampening kua uas muaj nyob rau hauv cov xaim mem kua hluav taws xob muaj tsawg dua 26%. Ib hom mem tes W / O hom emulsion yog tsim los sib tw nrog tus number case nyob hauv lub phaj nrog tsawg kawg ntawm cov dej ua kua.
Hauv kev tsim cov txheej txheem, thaum npaj PS daim ntawv sau rau ntawm lub tshuab, nws daim duab nrawm khiab, ncaj qha mus rau lub thawv poom, thiab daim duab yog xa rau daim ntawv los ntawm ob lub thawv chais, thiab tib lub sij hawm, cov luam ntawv blank Ib feem ntawm cov dej yog siv los tiv thaiv tus cwj mem los ntawm adhering mus rau qhov chaw dawb. Nws tuaj yeem pom tau hais tias muaj teeb meem ntawm qhov dej thiab xaj kua xaj rau ntawm qhov chaw luam tawm. Yog tias tus lej xaj tso rau qhov teeb tsa ntau tshaj qhov sib npaug (muab piv rau> dej), tus number case yuav nthuav dav rau qhov seem tom qab muab cov khoom seem pov tseg, cuam tshuam rau qhov seem, ua rau saum av; ntawm qhov tsis sib thooj, yog hais tias cov dej txaus rau qhov tsim tawm ntau tshaj qhov seem (dej) Ink) yuav tawm ntau cov dej rau ntawm lub phaj ntawv. Tom qab qhov muaj zog rhuav tshem ntawm cov menyuam dej thiab cov quav cuav quav, tus number case uas txuas rau daim duab yuav raug sib zog nqus emulsified, ua rau lub tswv yim dull.
Nyob rau hauv lub siab, tsuas yog thaum cov dej dej nyob ntawm qhov chaw seem ntawm tus nplaig thiab cov cwj mem kob ntawm daim duab muaj ib txoj kab nruj nruj heev, nws yog qhov ua kom pom tseeb tias cov dej tsis muaj dab tsi nyob hauv cheeb tsam thiab cov duab kos duab kos tsis sib haum tsis txhob sib tov nrog lwm tus. Tsuas yog thaum tus number case tshuav raug mus txog, qhov tseeb, kev tsis haum yog tsis yooj yim sua, thiab cov mem tes rau ntawm tus cwj pwm txawv yog tsis pom nriav. Yog li no, number case thiab dej tshuav nyiaj li cas tsuas yog ib qho kev txheeb ze.
Nws tseem ceeb teev cia tias thaum lub tshuab luam ntawv ceev ceev ceev ceev thiab ua haujlwm ruaj khov rau ib lub sijhawm, cov dej tsis txaus yuav tsis zoo li tsawg tau. Nyob rau hauv cov ntaub ntawv ntau lawm, vim muaj kev kub ceev ntawm cov teb chaws tuaj teb chaws luam tawm, ib qho loj npaum li cas ntawm cov hluav taws xob yog tsim nyob rau hauv high-speed luam ntawv, thiab dej yuav tsum tau dissipate tshav kub thiab txias cia. Yog li, cov nyhuv ntawm dampening kua yog tsis tsuas yog tus number case tshuav, tab sis kuj yuav txo ntawm cov phaj luam thiab qhov kub ntawm daim pam kuj plays lub luag hauj lwm tseem ceeb.
Tsis tas li ntawd, mis hlais emulsification tsis yog ib qho phem tshaj plaws. Qhov tseeb, qhov W / O hom emulsification yog qhov zoo rau kev luam ntawv, uas yog txo cov viscosity ntawm tus cwj pwm, pabcuam kev siv tus number case hloov, thiab tiv thaiv tus cwj mem los ntawm qhov ua kom khov heev kom rub daim nplaum ntau dhau rau cov roj hmab. Hauv qhov pom ntawm cov nqe lus saum toj no, cov dej nyob hauv cov khoom tsim muaj me ntsis siab tshaj qhov tseem ceeb hauv lub xeev.