Tshaj ntawv cov txheej txheem teeb meem teeb meem
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 ntawv luam tawm, ntawv sau cia, hom tshwj xeeb ntawv xim luam tawm khoom, kev ua si cardand li ntawd.
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Hauv kev sib tw luam tawm, vim muaj cov qauv hauv qhov ntsej, lub qhov dej, qhov muag, viscoelasticity, thiab lwm yam. Ntawm daim ntawv, lub muab tub lim, lub hnab roj hmab thiab cov xim muaj xim yog ntxim rau cov txheej txheem papermaking, thiab qhov zoo li daim ntawv yog plua plav, phom, fiber ntau pawg, xuab zeb nplej, thiab lwm yam zoo tsis zoo, feem ntau ua rau heap failures. Muaj ntau ntau yam rau qhov teebmeem. Tsab xov xwm no tsuas yog tham txog: daim ntawv tshem tawm ntawm cov plaub hau, daim ntawv hmoov tshem tawm, daim ntawv tawv nqaij ntawm daim pam, daim ntawv tshauv. Vim li cas cov ntawv tshooj ntawv sib txawv thiab cov tshuaj sib txawv txawv.
1 daim ntawv txiav plaub hau
Cov tsis ua hauj lwm ntawm cov ntawv cov ntawv hauv qhov offset luam ntawv yog vim los ntawm cov ntawv tshem tawm cov plaub hau los ntawm txoj hlua fiber ntau rau ntawm daim ntawv. Qhov tshwm sim no tsuas yog tshwm sim los ntawm cov neeg pluag luam ntawv zoo ntawm daim ntawv, thiab qhov tsis ua hauj lwm los ntawm daim ntawv saum npoo ntawm tus kab txa los ntawm luam los ntawm kev ruam. Xws li tshwm sim, daim ntawv plaub hau poob ua rau ntawm lub phaj luam tawm thiab daim pam yuav tsum them nrog cov ntaub plaub. Thaum mob hnyav, nws yuav tsum tau so cov ntawv xov xwm thiab rubber ib zaug rau txhua 1000 nplooj ntawv luam tawm, uas ua rau muaj teeb meem txog kev luam ntawv zoo thiab ncua sij hawm tsim cov caij nyoog thiab lub sijhawm.
Cov plaub hau tshem tawm ntawm sab xub ntiag thiab sab nraum qab ntawm daim ntawv yog qhov teeb meem ntawm kev siv cov ntaub ntawv raw thiab cov txheej txheem papermaking. Offset printing yog ib qho luam tawm tsis pub siv lub tshuab luam yeeb uas siv tus kheej lub cev kheej. Cov phaj luam hloov cov duab rau daim pam lub tog raj kheej. Lub poom poom pauv mus rau cov ntawv luam tawm los ntawm lub tswv yim kheej. Daim ntawv luam tawm thaum luam ntawv txoj kev luam tawm. Nws yuav raug pauv los ntawm qhov chaw ntawm daim pam rau lub phaj luam ntawv. Raws li tus xov tooj ntawm cov luam ntxiv, daim ntawv plaub hau tshuav nyob rau ntawm lub phaj luam ntawv yuav noog ntau dua, ua rau cov ntawv tsis ua haujlwm thiab daim ntawv plaub yuav lo rau nws. Lub phaj ntawv luam tawm nyob rau saum npoo, yog li cuam tshuam rau qhov zoo ntawm cov ntawv luam tawm.
Cov ntawv xov xwm fiber ntau thiab cov ntawv tshauv ntawm daim ntawv muaj ob lub dej nqus thiab roj nqus dej. Thaum daim ntawv ntim rau hauv lub phaj ntawv, raws li lub phom lub tog raj kheej pauv, nws ua ntej hits dej rau cov menyuam thiab ntub dej, thaum cov dej rau cov tub rog Yog Muaj Ib lub siab ntsaws rau ntawm cov ntawv phaj. Tom qab daim ntaub plaub wetted thiab pressurized los ntawm cov dej rau cov tub rog, feem ntau ntawm nws yog txuas rau ntawm daim txiag phaj thiab ces inked los ntawm tus number case number. Nyob rau lub sij hawm no, wetted wooled paper yog cov roj-repellent, thiab txawm hais tias tus number case yog tsis absorbed ntawm plaub lub khob cij caj dab, cov kev tshwm sim dawb tshwm sim thaum hloov mus rau pam.
Tshuaj:
(1) Qhib tus cwj mem thiab dej tshuav thaum muab ntawv luam tawm, txo cov ya raws ntawm qhov tsim teeb thiab txo qhov siab ntawm cov dej rau ntawm cov ntawv xov xwm tsis muaj daim ntawv qias neeg. Lub hom phiaj yog txo cov ntawv ntawm daim ntawv nyob rau ntawm lub phaj luam ntawv, ua li cas txo cov roj tsis ua hauj lwm ntawm daim ntawv thiab ua rau ntawm cov ntawv yuam kom muaj zog, thiab sim tsis txhob lo rau lub phaj.
(2) Ua kom lub cev muaj zog thiab viscosity ntawm tus cwj pwm, ntxiv ib qho kua roj tsawg, muab cov khoom muag nrog tsawg dua tus cwj mem, thiab sib txuas ntxiv rau siab ntawm cov quav cuav quav rau saum npoo ntawv, qhov laj thawj uas yog kom dhau daim ntawv rau ntawm daim phaj luam ntawv. Thaum cov tub ntxhais uas muab khi dub tso, daim ntawv plaub hau tau rub tawm thiab muab xa mus rau hauv cov quav cuav quav, uas yog tsim los rau ntawm cov quav cuav quav.
Tsis tas li ntawd, kho cov ntawv sau txog tus cwj pwm, ntxiv cov kua roj vanish thiab cov ntaub ntawv pov thawj ntau dua thiab sib npaug. Nws tseem tuaj yeem ua rau kom muaj tus cwj mem ntxiv rau hauv tus cwj mem xaj los daws qhov teeb meem.
2 daim ntawv hmoov tawm tawm
Cov dej ntws los ntawm cov hmoov tshem tawm ntawm daim ntawv nthuav tawm ib lub hnub qub zoo li lub hnub qub. Nws yog tshwm sim los ntawm kev poob ntawm ntau lub hnab, roj hmab, pigments thiab lwm yam ntaub ntawv, uas cuam tshuam qhov zoo ntawm cov khoom luam tawm. Nws yuav tsum tau muab xau tag ib zaug tom qab luam txog 1000 txhiab. Yog vim li cas rau tus tsim yog zoo li ntawd ntawm cov ntawv pawg, tab sis kev daws yog txawv. Qhov kev faib khoom ntawm cov ntaub ntawv thiab cov hmoov sib txawv yog qhov txawv ntawm daim ntawv cov ntaub ntawv yog qhov loj thiab lub teeb, thiab hmoov zoo heev thiab hnyav.
Tshuaj:
Ua rau tus cwj pwm xaj kua nplaum, ntxiv rau cov kua roj khov rau hauv tus cwj pwm, ntxiv cov viscosity thiab number case ntim ntawm tus cwj mem ntxiv rau, muab tus number case cia rau hauv cov quav cuav quav, thiab tob rau ntawm tus cwj mem xim ntawm tus cwj mem. Tsis tas li ntawd, lub ncoo tau ntxiv rau hauv phaj luam ntawv. Lub thickness ntawm daim ntawv ua rau kom siab printing.
3 daim ntawv ntawm cov ntaub plaub thiab cov ntawv tshauv ntawm daim pam
Feem ntau ntawm cov txheej txheem tsim ntawm daim ntawv, daim ntawv yuav loosened thiab fluffed thaum lub sij hawm luam ntawv, thiab tau sau rau ntawm daim pam, uas cuam tshuam tus number case dot ntawm tus inkinted number case, qhov tseeb kis ntawm cov ntawv nyeem, thiab daim ntawv tshauv thiab ntawv hmoov rau ntawm daim ntawv. Nws yuav dhau ntawm rubber thiab phom lub tog raj kheej thiab kis tau los ntawm tus cwj mem xaws rau sab hauv ntawm tus ciav qhov ciav pliav, yog li cuam tshuam cov kis ntawm txoj kab kev xoom. Thaum daim ntawv loj heev lawm, daim ntawv luam tawm nyob rau hauv qhov kawg ntawm tus ciav ciam, uas yog ntawv tshauv, daim ntaub plaub thiab ntawv hmoov. Nyob rau lub sij hawm no, tus nqi ntawm tus cwj pwm yog qhib rau qhov siab kawg nkaus, thiab tus cwj pwm ntawm cov kab ntawm cov duab kuj yog teeb thiab pom. Thaum 1 000 nplooj ntawm daim ntawv luam tawm ntawm daim pam, nws yog ib qho tsim nyog los txhuam daim pam.
Tshuaj
(1) Ntxuav daim pam nrog kev mob siab.
(2) Ua ntej luam daim ntawv, siv cov roj dawb thiab dej tuaj yeem ua rau tsis muaj hmoov rho tawm. Cov roj dawb yog txhais tau ib cov xim dawb. Nws tuaj yeem dilute number case, txo cov viscosity ntawm tus number case, thiab tusyees piv rau xim. Nws yog tsim los ntawm magnesium carbonate, stearic acid, dej, cov zaub roj hauv av, thiab lwm yam. Nws yog siv los tua cov roj dawb kom txo tau qhov tshwm sim ntawm hmoov rho tawm thiab rub tawm ntawv.
(3) Ntxiv ib qho me me ntawm tus neeg saib xyuas kev deb rau tus number case. Tsis txhob ntxiv daim ntawv nrog tus zoo smoothness. Tsis txhob sib zog. Cov tshuaj noj yuav tsum tsis pub tshaj 3%.
(4) Ntxiv daim ntawv 0.05 hli tuab daim npog rau lub thawv poom, los yog kho qhov nruab nrab ntawm qhov chaw kom ua rau siab ceev printing.