Burrs, plam prints, nraaj thiab cov ntawv dots...... Yuav ua li cas muaj hluav taws xob zoo li qub hauv kev luam ntawv yuav daws tau zoo?

Burrs, plam prints, nraaj thiab cov ntawv dots...... Yuav ua li cas muaj hluav taws xob zoo li qub hauv kev luam ntawv yuav daws tau zoo?

Nyob rau hauv kev lag luam niaj hnub luam ntawv, nrog kev txhim kho tsis tu ncua ntawm kev luam ntawv thev naus laus zis thiab ua kom nrawm nrawm dua, cov teeb meem hluav taws xob zoo li qub tau dhau los ua qhov tseem ceeb, ua rau muaj teeb meem ntau rau cov txheej txheem luam ntawv, cuam tshuam rau kev luam ntawv zoo thiab kev ua haujlwm ntau lawm, thiab txawm tias muaj kev hem thawj rau kev ruaj ntseg ntau lawm. Yog li ntawd, hauv - kev tshawb fawb tob txog qhov cuam tshuam ntawm hluav taws xob zoo li qub ntawm kev luam ntawv thiab kev tshawb nrhiav cov kev daws teeb meem zoo yog qhov tseem ceeb rau kev txhim kho kev lag luam luam ntawv.

Qhov cuam tshuam ntawm hluav taws xob zoo li qub ntawm kev luam ntawv

01/ cuam tshuam rau kev luam ntawv zoo

(1) Burr

Thaum luam tawm cov duab lossis cov ntawv sau, thaj chaw tiag tiag, lossis cov cim loj nrog cov kab tuab, cov hluav taws xob zoo li qub ua rau cov plaub hau txhuam kom tawg, ua rau cov xov-zoo li 'whisker-xws li ink splatter.' Qhov no yog vim hais tias thaum lub sij hawm luam ntawv, ink particles nqa hluav taws xob zoo li qub thiab sib sib zog nqus, tiv thaiv tus number case los ntawm tusyees hloov mus rau lub substrate, uas ua rau burrs tsim ntawm cov npoo ntawm cov ntawv nyeem thiab cov duab, cuam tshuam rau qhov pom tseeb thiab pom ntawm cov khoom luam tawm. Piv txwv li, nyob rau hauv ib co ntim tshuab luam ntawv, burrs tshwm nyob rau hauv cov ntawv nyeem thiab cov qauv ntawm cov khoom nto, uas txo cov khoom qib thiab kev ua lag luam kev sib tw.

(2) Tsis muaj stamp

Thaum lub sij hawm luam ntawv, qee cov duab thiab cov ntawv nyob ib puag ncig cov ntawv yuav tsis luam tawm lossis tsis raug vim hluav taws xob zoo li qub, ua rau cov ntawv luam tawm tsis raug; Thaum siv cov cwj mem dawb ua lub hauv paus, repulsion tshwm sim, tsim qhov khoob. Qhov no yog vim hais tias hluav taws xob zoo li qub ntawm lub substrate nto repels number case, cuam tshuam tus cwj mem hloov mus rau ib txwm thiab tiv thaiv kev luam ntawv tiav ntawm cov duab thiab cov ntawv. Piv txwv li, nyob rau hauv daim ntawv lo luam ntawv, yog tias tsis muaj cov ntawv luam tawm, nws tuaj yeem ua rau cov ntaub ntawv tsis tiav, cuam tshuam rau kev txheeb xyuas cov khoom thiab kev muag khoom.

(3) Cov duab thiab cov ntawv tseem ceeb

Cov hluav taws xob zoo li qub ua rau cov plua plav thiab impurities ua raws li cov yeeb yaj kiab thiab lwm cov substrates, ua rau muaj ntau qhov tsis sib xws ntawm cov duab thiab cov ntawv tom qab luam ntawv. Cov dots no tuaj yeem ua rau kev ncaj ncees thiab sib xws ntawm cov ntawv nyeem thiab cov duab, txo qhov zoo ntawm cov ntawv luam tawm. Hauv siab -kawg daim ntawv luam tawm, cov duab kos duab thiab cov duab zoo nkauj tuaj yeem cuam tshuam rau kev ntxhib los mos thiab kos duab ntawm daim duab.

(4) "Tear-zoo li" cov dej ntws

Thaum luam ntawv puv -daim ntawv, ntau xim overlays qhia cov tee dej zoo li ' kua muag,' qee lub teeb, qee qhov hnyav. Qhov no yog vim qhov hluav taws xob zoo li qub ua rau tsis sib npaug ntawm tus number case rau ntawm qhov chaw substrate, ua rau tus number case los mus rau hauv cov tee dej -zoo li cov duab uas cuam tshuam rau xim uniformity thiab saturation ntawm cov khoom luam tawm. Nyob rau hauv daim ntawv tshaj tawm luam ntawv, cov dej "kua kua muag" no cuam tshuam cov xim ntawm cov duab thiab tsis ua tiav cov txiaj ntsig kev tshaj tawm.

02/ cuam tshuam rau kev ruaj ntseg ntau lawm

Thaum lub sij hawm luam ntawv, vim yog siab - kev sib txhuam ceev thiab tev tawm, muaj zog hluav taws xob zoo li qub yog tsim. Thaum hluav taws xob zoo li qub sib sau ua ke mus rau ib theem, nws tuaj yeem ua rau huab cua tawm yooj yim, ua rau hluav taws xob poob lossis hluav taws. Piv txwv li, nyob rau hauv ib puag ncig uas tus number case thiab cov kuab tshuaj evaporating, inks los yog substrates yuav ua rau hluav taws kub, ua phem heev rau tus kheej kev nyab xeeb ntawm cov neeg ua hauj lwm thiab cov cuab yeej ntawm cov lag luam. Nyob rau tib lub sijhawm, cov hluav taws xob zoo li qub tuaj yeem ua rau cov neeg ua haujlwm ntshai, cuam tshuam rau kev ua haujlwm ntawm kev ua haujlwm, thiab tseem tuaj yeem ua rau kev ua haujlwm tsis raug thiab lwm yam teeb meem kev nyab xeeb.

03/ Kev cuam tshuam rau kev tsim khoom

Thaum daim ntawv yog electrostatically them, tsub nqi ntawm tib polarity repel ib leeg, ua rau cov ntaub ntawv tsis raug qhov chaw thiab cuam tshuam cov stacking ntawm daim ntawv ntawm kev hloov thiab sau cov rooj; Txawm li cas los xij, thaum cov nqi sib txawv nyiam ib leeg, cov ntawv thiab cov khoom siv luam ntawv nyiam ib leeg, ua rau muaj teeb meem hauv kev noj cov ntawv, sau ntawv tsis sib xws, thiab kev sau npe tsis raug, uas tuaj yeem ua rau muaj kev cuam tshuam ntau lawm thiab qeeb. Ntawm automated printing ntau lawm kab, cov teeb meem no tshwm sim ntau zaus, xav kom cov neeg ua hauj lwm lossi nres lub tshuab los kho, heev txo cov efficiency ntau lawm. Tsis tas li ntawd, hluav taws xob zoo li qub tuaj yeem ua rau cov ntaub ntawv lo rau tsav cov chais thiab coj cov chais, cuam tshuam rau kev luam ntawv thiab tuag- txiav kev sau npe thiab txo cov kev tsim khoom ntxiv.

Ua rau hluav taws xob zoo li qub

01/ Cov khoom siv

Lub conductivity ntawm cov ntaub ntawv muaj ib tug dual nyhuv ntawm static hluav taws xob. Yog tias cov khoom siv yog tus neeg xyuas pib, cov nqi txav mus los ntawm nws qhov chaw, ua rau tsuas yog qhov hluav taws xob tsawg, thiab cov khoom siv hluav taws xob tiv tauj hauv av kom hloov cov nqi mus rau saum npoo; Cov ntaub ntawv rwb thaiv tsev xws li ntawv thiab yas zaj duab xis tsim hluav taws xob zoo li qub thiab tsim cov hluav taws xob ntau dua, uas tsis tuaj yeem tshem tawm los ntawm kev siv av. Cov tshuaj lom neeg muaj pes tsawg leeg, cov qauv sab hauv, kev ntxhov siab- lim cov yam ntxwv ntawm cov khoom siv, thiab cov duab ntawm cov khoom kuj cuam tshuam rau kev tsim hluav taws xob zoo li qub. Piv txwv li, ntau hom ntawv tsim cov qib sib txawv ntawm cov hluav taws xob zoo li qub vim qhov sib txawv ntawm cov qauv fiber ntau thiab cov tshuaj muaj pes tsawg leeg. Piv txwv li, cov yeeb yaj kiab yas du yog qhov ua rau muaj hluav taws xob zoo li qub dua li cov tawv tawv.

02/ Mechanical teebmeem

Mechanical action muaj xws li hom, lub sij hawm, cheeb tsam, kev sib cais ceev, thiab cov khoom ntawm lub zog ua rau ob qho khoom siv. Feem ntau, qhov ze ntawm ob cov ntaub ntawv tuaj rau hauv kev sib cuag los yog qhov ceev ntawm kev sib cais, qhov ntau dua qhov hluav taws xob zoo li qub. Thaum lub sij hawm luam ntawv, daim ntawv nquag sib cuag thiab sib cais los ntawm qhov chaw xws li cov menyuam thiab cov kev taw qhia cov menyuam ntawm cov khoom siv luam ntawv, tshwj xeeb tshaj yog thaum lub sij hawm siab - luam ntawv ceev, qhov kev sib cais ceev ceev thiab cov hluav taws xob zoo li qub tau yooj yim tsim. Tsis tas li ntawd, kev luam ntawv tsis sib xws tuaj yeem ua rau muaj kev sib txhuam sib txawv thiab kev sib cuag ntawm cov ntaub ntawv, uas cuam tshuam rau kev tsim hluav taws xob zoo li qub.

03/ Ink yam ntxwv

Cov muaj pes tsawg leeg thiab cov khoom ntawm tus number case kuj muaj feem xyuam rau cov tsim hluav taws xob zoo li qub. Qee cov inks muaj cov kuab tshuaj volatile, uas evaporate thaum luam ntawv, hloov tus number case conductivity thiab ua rau hluav taws xob zoo li qub. Lub viscosity thiab flowability ntawm tus number case kuj muaj feem xyuam rau cov tsim hluav taws xob zoo li qub. Ink nrog ntau viscosity muaj kev sib txhuam muaj zog thaum hloov mus, ua rau nws muaj hluav taws xob zoo li qub; Ink nrog zoo flowability tuaj yeem tsim hluav taws xob zoo li qub thaum ntws los ntawm tus ciav dej thiab tus cwj mem, vim muaj kev sib txhuam nrog cov kav dej thiab cov khoom siv.

04/ Environmental factor

Kub thiab av noo muaj kev cuam tshuam ze rau hluav taws xob zoo li qub. Thaum cov ntawv khaws cia rau hauv cov ntaub ntawv warehouses thiab cov chaw ua haujlwm, cov dej noo hloov pauv loj vim qhov kub thiab av noo hloov pauv loj. Thaum tus txheeb ze av noo poob mus rau ib theem (qis dua 40%), hluav taws xob zoo li qub tau yooj yim tsim; Thaum lub ambient kub nce, daim ntawv yuav raug kev sib txhuam, thiab lub zog ntawm tus nqi accelerates, ua rau tsim thiab tsub zuj zuj ntawm static hluav taws xob. Nyob rau hauv qhov chaw qhuav thiab lub caij ntuj no txias, teeb meem hluav taws xob zoo li qub hauv kev cob qhia luam ntawv feem ntau yog qhov tseem ceeb. Tsis tas li ntawd, plua plav thiab impurities nyob rau hauv ib puag ncig kuj tuaj yeem cuam tshuam rau tiam thiab tsub zuj zuj ntawm hluav taws xob zoo li qub. Plua plav adsorbing ntawm qhov chaw ntawm lub substrate tuaj yeem hloov kho nws cov nqi xa tawm, yog li exacerbating hluav taws xob zoo li qub.

Kev daws teeb meem rau hluav taws xob zoo li qub

01/ Kev tshem tawm lub cev

(1) Hauv av

Los ntawm kev sib txuas cov cuab yeej luam ntawv thiab cov khoom siv hlau rau lub ntiaj teb, tsim kom muaj qhov sib txawv ntawm cov khoom thiab lub ntiaj teb, tus nqi tuaj yeem xau los ntawm lub ntiaj teb. Qhov no yog txoj hauv kev yooj yim tshaj plaws los tshem tawm cov hluav taws xob zoo li qub, tab sis nws yuav luag tsis cuam tshuam rau cov insulators. Nyob rau hauv lub rhiav luam ntawv, nws yog tsim nyog los xyuas kom meej zoo grounding ntawm cov cuab yeej, tsis tu ncua xyuas grounding circuits thiab grounding resistance, feem ntau yuav tsum tau tsis kam tsawg tshaj li 10Ω. Piv txwv li, cov thav duab hlau, tus ciav dej, thiab cov ntawv qhia cov menyuam ntawm lub tshuab luam ntawv tuaj yeem txuas rau hauv av los ntawm cov kab hauv av, tso cai rau cov hluav taws xob zoo li qub ntawm cov khoom siv kom xa mus rau hauv av sai sai.

(2) Kev tswj hwm av noo

Qhov saum npoo tsis kam ntawm cov ntaub ntawv luam tawm txo qis thaum cov av noo ntawm huab cua nce; nce tus txheeb ze av noo ntawm huab cua tuaj yeem txhim kho cov conductivity ntawm daim ntawv nto thiab ua kom tus nqi xau. Feem ntau, cov av noo nyob rau hauv lub rhiav luam ntawv yuav tsum tau tswj ntawm 40% ~ 60%. Cov av noo hauv lub rhiav tuaj yeem hloov kho los ntawm kev txhim kho humidifiers lossis dehumidifiers. Nyob rau lub caij qhuav, siv cov humidifiers kom cov av noo ntau ntxiv; Thaum lub caij ntuj sov, siv lub tshuab dehumidifier kom txo cov huab cua noo thiab tswj kom muaj qhov chaw luam ntawv tsim nyog.

(3) Static tshem tawm

Lub induction-type static eliminator, tseem hu ua induction- hom static elimination txhuam, ua haujlwm los ntawm lub hauv paus ntsiab lus tias thaum lub taub hau ntawm lub suppressor mus txog lub cev them, nws tuaj yeem ua rau hluav taws xob nrog polarity opposite rau ntawm lub cev them, tsim kom muaj zog hluav taws xob nyob ze ntawm lub taub. Tom qab ionizing huab cua, cov generated zoo thiab tsis zoo ions txav mus rau lub tswv yim ntawm lub cev them nyiaj thiab lub suppressor, yog li neutralizing hluav taws xob zoo li qub. Thaum lub sij hawm luam ntawv, kev sib xyaw ua ke ntawm induction thiab siab -voltage discharge electrostatic txoj kev yuav siv tau. Lub static eliminator tuaj yeem ntsia tau rau hauv cov cheeb tsam uas muaj hluav taws xob zoo li qub xws li cov ntawv pub zaub mov, tshuab luam ntawv, thiab cov ntawv sau ntawm lub tshuab luam ntawv, uas tuaj yeem tshem tawm cov hluav taws xob zoo li qub.

02/ Tshuaj tshem tawm txoj kev

Kev tshem tawm tshuaj feem ntau yog siv cov tshuaj antistatic rau saum npoo ntawm substrate kom nws ua tau. Txawm li cas los xij, vim tias cov khoom siv tshuaj raug ntxiv rau hauv daim ntawv thaum lub sijhawm ua ntawv, nws tuaj yeem cuam tshuam tsis zoo rau nws qhov zoo, xws li txo cov ntawv lub zog, adhesion, nruj, thiab tensile lub zog, yog li nws feem ntau tsis siv. Rau cov ntaub ntawv luam tawm xws li cov yeeb yaj kiab yas, cov tshuaj tiv thaiv zoo tuaj yeem raug xaiv rau kev kho mob. Thaum xaiv cov tshuaj antistatic, txiav txim siab hom thiab tus nqi ntawm tus neeg sawv cev antistatic raws li cov khoom siv thiab cov kev cai luam ntawv, kom tsis txhob cuam tshuam lwm yam khoom ntawm cov khoom.

03/ Txhim kho cov txheej txheem ntau lawm thiab kev tswj xyuas

Teem cov txheej txheem ntws kom tsim nyog kom tsis txhob muaj cov khoom siv ntev ntev thiab kev sib txhuam, txo cov hluav taws xob zoo li qub. Piv txwv li, kev tswj cov dej noo yog siv rau daim ntawv ua ntej luam ntawv kom ntseeg tau tias cov ntsiab lus tsis sib xws thiab ruaj khov; Thaum lub sij hawm luam ntawv, tswj cov luam ntawv ceev thiab siab kom tsis txhob muaj hluav taws xob zoo li qub tsim los ntawm kev ceev thiab siab ntau dhau; Muab cov neeg ua haujlwm nrog kev cob qhia kev tiv thaiv hluav taws xob zoo li qub los txhim kho lawv txoj kev paub txog kev phom sij zoo li qub thiab kev ua haujlwm nyab xeeb; Tsim kom muaj cov txheej txheem kev khiav hauj lwm kom paub meej cov neeg ua hauj lwm tus cwj pwm thaum lub sij hawm luam ntawv, xws li tsis txhob sib cuag ncaj qha nrog substrates thiab number case los tiv thaiv hluav taws xob zoo li qub los ntawm kev sib txhuam; Kev tshuaj xyuas thiab tswj cov cuab yeej tsis tu ncua kom ntseeg tau tias kev ua haujlwm ib txwm muaj thiab tsis txhob muaj hluav taws xob zoo li qub los ntawm cov khoom siv tsis ua haujlwm.

Case Study

Lub tuam txhab luam ntawv loj, thaum tsim cov khoom ntim khoom noj siab tshaj - kawg, tau ntsib teeb meem zoo nrog cov khoom luam tawm vim muaj teeb meem hluav taws xob zoo li qub, xws li burrs, tsis luam tawm, thiab cov dots hauv cov ntawv nyeem, ua rau ntau cov khoom raug muab pov tseg thiab ua rau muaj kev puas tsuaj loj. Tib lub sijhawm, hluav taws xob zoo li qub tau ua rau ntau qhov hluav taws kub me me -. Txawm hais tias lawv raug tua nyob rau lub sijhawm, lawv ua rau muaj kev nyab xeeb tseem ceeb rau lub tuam txhab tsim khoom.

Tom qab kev tshawb nrhiav thiab kev tshuaj xyuas, nws tau pom tias lub tuam txhab luam ntawv rhiav muaj cov av noo tsawg, nrog rau qhov nruab nrab cov av noo nyob ib ncig ntawm 30%, thiab muaj teeb meem nrog cov av ntawm cov khoom siv luam ntawv, nrog rau qee cov cuab yeej muaj cov av tiv thaiv ntau dhau. Tsis tas li ntawd, qhov zoo ntawm daim ntawv thiab tus cwj mem siv tsis ruaj khov thiab tuaj yeem tsim hluav taws xob zoo li qub.

Txhawm rau daws cov teeb meem no, lub tuam txhab tau siv ntau yam kev ntsuas:

Ua ntej, lub tshuab humidifier tau teeb tsa los tsa cov txheeb ze av noo hauv kev cob qhia txog li 50%;

Qhov thib ob, kev tshuaj xyuas thiab kev saib xyuas ntawm cov av hauv av ntawm cov khoom siv luam ntawv tau ua los xyuas kom cov av tiv thaiv tau raws li qhov yuav tsum tau ua;

Tsis tas li ntawd, daim ntawv thiab tus cwj mem uas muaj qhov ruaj khov dua tau hloov pauv, thiab cov neeg ua haujlwm tau kawm txog kev paub txog kev tiv thaiv zoo li qub kom ua raws li cov txheej txheem ua haujlwm.

Los ntawm kev siv cov kev ntsuas no, lub tuam txhab qhov teeb meem hluav taws xob zoo li qub tau daws tau zoo, kev luam ntawv tau zoo dua qub, kev ruaj ntseg ntau lawm tau lees paub, cov nqi seem tau txo qis, thiab kev tsim khoom tau zoo dua qub.

Cov hluav taws xob zoo li qub muaj ntau yam cuam tshuam rau kev lag luam luam ntawv; nws tsis tsuas yog txo cov luam ntawv zoo thiab cuam tshuam cov khoom lag luam kev sib tw, tab sis kuj tseem cuam tshuam kev nyab xeeb ntawm kev tsim khoom thiab txo qis kev tsim khoom. Kev nkag siab txog qhov ua rau hluav taws xob zoo li qub- xws li cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov yam ntxwv ntawm tus cwj mem, thiab ib puag ncig yam tseem ceeb- yog qhov tseem ceeb rau kev siv cov kev daws teeb meem zoo. Los ntawm kev siv cov txheej txheem tshem tawm lub cev, cov txheej txheem tshem tawm cov tshuaj lom neeg, thiab txhim kho cov txheej txheem ntau lawm thiab kev tswj xyuas, kev tsim hluav taws xob zoo li qub thiab kev phom sij tuaj yeem txo qis, ua kom cov luam ntawv du thiab txhim kho cov khoom zoo thiab cov txiaj ntsig kev lag luam. Nyob rau yav tom ntej luam ntawv ntau lawm, raws li thev naus laus zis txuas ntxiv mus, cov tuam txhab luam ntawv yuav tsum tau tshawb nrhiav thiab siv cov thev naus laus zis tiv thaiv hluav taws xob ntau ntxiv kom tau raws li qhov chaw luam ntawv ntau dua thiab cov kev xav tau zoo dua.