Tham txog qhov tseem ceeb tshaj plaws uas cuam tshuam txog kev ua haujlwm ntev ntawm PS version
Peb yog ib lub lag luam loj hauv Shenzhen Tuam Tshoj. Peb muaj cov phau ntawv luam tawm, phau ntawv nyuaj, 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.
Yog xav paub ntxiv, thov tuaj xyuas
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Lub PS version yog tam sim no feem ntau lug siv luam phaj nyob rau hauv luam tawm kev lag luam nyob rau hauv Suav teb. Thaum peb mus rau kev ua lag luam rau cov kev pab cuam, ntau cov manufacturers tau qhia tias cov PS version tsis tau ua kom luam ntawv.
Offset printing, muaj ntau heev ntawm cov khoom luam tawm hauv Suav teb, ib qho nyiaj loj ntawm luam ntawv. Piv txwv, lub teb chaws central xov xwm thiab cov ntawv xov xwm ntsig txog lub xeev thiab lub neej ntawv xov xwm ntawm cov chaw ua hauj lwm ntsig txog lub teb chaws muaj pua pua txhiab los sis tsheej lab ntawm cov ntawv luam txhua hnub; cov phau ntawv kawm, tshwj xeeb tshaj yog cov luam ntawv ntawm cov phau ntawv kawm rau cov thawj thiab theem nrab tsev kawm ntawv, vim cov pejxeem coob ntawm Suav, ntau cov menyuam muaj hnub nyoog kawm ntawv, cov moos Lub luam luam tawm yog ntau lab ntawm cov ntawv luam; kuj muaj qee cov luam tawm luam, xws li haus luam yeeb, wine, tshuaj ntim, qhov nyiaj ntawm luam ntawv loj heev. Cov luam ntawv xav tau lub phaj kom luam tau ntau li ntau tau. Qhov ntau dua ib daim ntawv luam tawm, tus nqi luam tawm tsawg dua. Tsis tas li ntawd, pes tsawg lub sij hawm hloov lub phaj yog txo. Cov hloov ntawm daim ntawv no yog siv sijhawm, siv zog, mob siab ntawm ntawv, khawm ntawm tus lej, thiab khib nyiab ntau yam khoom siv.
Lub caij ua tiav ntawm PS version yog qhov kev ntsuam xyuas ntawm ntau yam ntawm tag nrho cov txheej txheem ntawm kev luam ntawv. Ua ntej tshaj, nws yog lub xeev ntawm lub tshuab luam ntawv. Qhov sib txawv nruab nrab ntawm cov menyuam thiab cov menyuam thaum lub sij hawm luam ntawv yog tsawg heev. Yog tias qhov sib txawv me me, lub siab ntawm daim ntawv luam ntawv yog siab dhau. Nyob rau hauv cov ntaub ntawv no, lub caij ua tiav ntawm lub phaj printing yog obviously Tau zoo heev txo.
Offset printing relies on ink number case thiab water balance kom ua tiav luam ntawv. Cov dlej ntawm dampening kua nyhav nyias muaj nyias qhov teeb meem ntawm qhov txheej txheem ntawm daim duab ntawm daim duab, tshwj xeeb tshaj yog cov uas siv cawv dampening kua, uas muaj ib qho kev sib hloov ntawm cov txheej txheem.
Secondly, nws yog ib feem ntawm cov ntawv nyob rau hauv lub printing ntev ntawm lub luam ntawv phaj. Qhov zoo ntawm daim ntawv muaj ib lub zog zoo ntawm cov luam tawm kuj. Tom qab qhov zoo version ntawm PS version tau muab rau hauv ib lub phaj, yog luam tawm ntawm coated ntawv, nws muaj peev xwm luam tawm 10 lab impressions. Yog tias koj siv phau ntawv luam tawm los luam tawm, yog koj tsis siv cov ntawv ci, koj tsuas sau tau txog 50,000 luam ntawv. Yog tias koj sau rau ntawm daim ntawv luam tawm, ib lub phaj luam ntawv feem ntau sau tau 7 mus rau 80,000 kev tshau siab. Lub rougher saum npoo ntawm daim ntawv, tsawg dua prints lub phaj muaj.
Tseem muaj qhov zoo ntawm tus number case, tib lub phaj, kev siv tus cwj mem zoo zoo tshaj qhov kev siv tus qauv zoo tib yam.
Yog li, los tham txog cov ntawv luam ntawm lub PS version, qhov tseeb siv PS version ntawm lub phaj luam tawm tawv printing, yog tus qauv kev qhia ntawm tag nrho cov txheej txheem luam ntawv.
Rau PS version, muaj cov PS thiab PS tsis zoo, thiab PS tsis pom zoo los ntawm photopolymerizable cob. Thaum cov duab ntxoo crosslinked, nws ua ib qho loj molecule tom qab kev sib txuas. Luam rau 20 mus rau 300,000 kev pom zoo. Tom qab ib qho kev zoo ntawm PS version tau muab rau hauv ib lub luam ntawv phaj, nws tuaj yeem luam tawm li 7 txog 80,000 kev tshoov siab, thiab tuaj yeem luam tawm mus txog 11 mus rau 120,000 kev pom zoo. Vim nws siv lub photopegradable cob. Yog tias cov phom tuaj yeem siv, cov ntawv lo ci nrog cov ci ci ci yog ci li ntawm 250 ° C rau li 8 feeb, thiab lub tshuab luam ntawv ntawm cov ntawv luam yuav tsum muab sib ntxiv. Ntawm chav kawm, yog tias nws tsis yog ci, lub tshuab luam ntawv ntawm cov ntawv xov xwm yuav tsis nce ntau; Yog tias nws yog ci, tsis tas nws tuaj yeem tsis nce lub zog ntawm cov ntawv luam ntawm cov ntawv luam tawm, nws yuav ua haujlwm tsis zoo.
Cov nram qab no yog kev sib tham thiab kev ntsuam xyuas ntawm tus qauv ntawm PS version thiab nws cov ntau yam hauv cov phaj ua tus txheej txheem ntawm cov ntawv pov thawj ntawm lub phaj.
Ua ntej, kev cuam tshuam ntawm lub zog luam tawm ntawm PS version rau qhov zoo ntawm cov khoom luam tawm
Qhov zoo tshaj ntawm cov ntawv luam tawm kev ua haujlwm yog cov kev qhia txog kev daws teeb meem thiab luam cov qauv ntawm daim phiaj. Kev sib haum xeeb ntawm txoj kev daws teeb meem yuav tsum tau lees paub los ntawm cov ntawv pov thawj ntawm lub phaj. Kev sib raug zoo ntawm qhov zoo ntawm cov teeb meem luam tawm thiab lub tshuab ua kom ntev ntawm cov ntawv luam tawm yog ze heev.
1. Feem xyuam rau kev tshaj tawm
Cov teev yog qhov tsawg tshaj plaws ntawm kev qhia uas qhia txog kev daws teeb meem thiab kev tawm tsam rau kev luam ntawv. Thaum lub sij hawm luam ntawv, cov dots nyob rau hauv thawj phaj twb tag nrho thiab puag ncig, thiab cov txheej tau meej thiab meej. Nrog cov kev hloov maj mam hloov ntawm cov sij hawm luam, qhov tsis ua hauj lwm ntawm qhov teev yuav maj mam tshwm sim, luam tawm rau ib lub sij hawm, qhov kev sib tw me ntsis ntawm qhov kev teeb tsa yuav pib poob, thiab cov ntsiab lus qis dua yuav sib tshuam; piv nrog cov ntawv luam tawm, cov laus yuav nqaim thiab tus thawj yuav poob. Qhov tseeb reproducibility, qhov zoo ntawm cov khoom luam tawm yuav maj mam tsis kam.
2. Nyhuv rau ntawm tus zauv plaub hau
Hauv kev luam ntawv, vim muaj kev hloov ntawm qhov teev, tus number case xim ntawm cov ntawv luam kuj hloov pauv, uas ua rau tsis cuam tshuam cov ntawv luam xim xim.
3. Feem cuam tshuam rau overprinting
Cov phaj luam tawm ua rau lub cev tsis tshua muaj siab, uas ua rau muaj kev nce phaj ntau ntxiv. Txhua lub sij hawm lub phaj raug hloov, yam xws li sab hauv yuam kev, lub phaj luam tawm yuam kev, thiab qhov kev tso cai ntawm txoj cai yuav ua rau cov duab loj kom tsis ruaj tsis khov, uas ua rau lub zog tom ntej no tsis yooj yim.
4. Feem cuam tshuam rau cov ntawv sau
Vim tias cov ntaub ntawv tsis tshua muaj zog ntawm cov ntawv xov xwm, cov naj npawb hloov phaj ntau dua ntxiv, uas tsis yog tib lub sij hawm zoo tshaj plaws ntawm tib neeg cov xuab moos, tiam sis tseem cuam tshuam cov luam tawm ntau, thiab kuj ua rau qee cov khoom siv pov tseg.
Qhov ob, qhov tseem ceeb tshaj plaws uas cuam tshuam txog lub zog ntawm PS version
Feem ntau lub phaj tsis tuaj yeem siv vim qhov qauv, paste, thiab av. Muaj ntau ntau yam rau cov phenomena, thiab muaj teeb meem zoo ntawm qhov version. Qhov teeb meem no tsis yog nyob rau hauv lub Hoobkas niaj hnub no nrog kev tswj zoo. Vim hais tias nws muaj cov kev sim zoo meej, yuav muaj teeb meem nyob hauv kev lag luam. . Ntawm chav kawm, qhov teeb meem tseem ceeb yog tseem siv. Rau cov kev cuam tshuam ntawm PS version ntawm cov qauv ua haujlwm, peb ua tiav cov hauv qab no:
1. Feem cuam hauv PS cov khoom
(1) Cov phaj pib
Thaum ua qhov PS phaj, lub qhov hluav taws xob txheej txheem ntawm lub plhom txhuas yog kho thawj zaug. Lub hom phiaj yog tsim cov xuab zeb txheej ntawm lub phaj ntws, kom lub nrig sab nraud muaj lub hauv paus zoo, thiab qhov seem tsis zoo rau khaws cia ib qho ntawm cov dej noo hauv kev luam. Nws tuaj yeem ntub qhov teeb tsa. Yog hais tias xuab zeb yog dhau ntiav, qhov dej cia yog neeg pluag, thiab tus number case tshuav thaum luam ntawv tsis yooj yim rau kev tswj, thiab nws yog ib qho yooj yim uas yuav ua rau kom tsis muaj qhov tsis zoo. Yog hais tias xuab zeb yog sib sib zog nqus, photoresist tsis yoojyim rau qhov ntsuas. Txawm hais tias muaj cov txheej txheem txaus los ua kom nws npog, nws yuav tsum tau sib zog thaum lub sij hawm ua tus txheej txheem, ua rau lub phaj paj.
Qhov hlau ion impurities nyob rau hauv lub electrolyte kuj muaj cov nyhuv ntawm cov ntawv pov thawj ntawm cov ntawv PS. Hauv cov txheej txheem ntawm PS plates, hlau ions uas yog qhov zoo tshaj rau txhuas hauv cov khoom ua rau lub xuab zeb tej zaum yuav ua rau cov xuab zeb, uas yuav ua rau muaj qhov tsis muaj qhov muag pom, thiab cov txheej txheem oxidation tsis npog cov teeb meem no. Cov teeb meem no yooj yim rau corrode qhov layout thaum lub sij hawm luam ntawv, uas yog ib qho tseem ceeb tshaj uas cuam tshuam txog kev ua kom ntev ntawm PS daim. Cov phaj pib tom qab electrolytic roughening xav tau oxidized. Yog hais tias cov concentration ntawm cov roj ntsha, qhov kub thiab qhov nyiaj ntawm cov additive yog tsis zoo tswj, oxide zaj duab xis ua thin thiab xoob thiab nkig, thiab kev hnav kev hnyav yog pluag. Tshwj xeeb cov qib qis PS phaj ntau lawm, vim cov cuab yeej yooj yooj yim thiab tsis muaj kev tswj xyuas tsis zoo, nws yooj yim ua rau lub xeev electrolytic oxidation ntawm lub phaj xuab zeb txheej tsis zoo.
Muaj ob qho hauv qhov chaw sealing los ntawm lub sealing: Ua ntej, yog hais tias cov ntsev cov ntsev ntsev ntawm cov kua dej ntim ntau dhau lawm, calcium ion reacts nrog cov ntsev los tsim cov calcium silicate precipitate, uas hloov pauv ntawm cov sealing kua, thiab lub qhov hws ntawm oxide zaj duab xis Nws yooj yim absorbs calcium ntsev, uas raug rhuav lub hydrophilic thaj chaw ntawm lub phaj thiab ua rau lub phaj yuav tsis huv. Thib ob, lub sij hawm sib khi yog luv luv, cov nyiaj colloid tso rau ntawm lub phaj yog me me, thiab lub micropore sealing yog tsis txaus, yog li ntawd lub peev xwm adsorption ntawm lub phaj yog nce, yog li ntawd cov ntaub ntawv teeb meem uas nyob hauv cov micropores tsis tuaj yeem txaus thaum lub sij hawm txoj kev loj hlob, li rhuav tshem qhov seem ntawm seem. Lub hydrophilicity ua rau cov ntawv luam tawm yuav khib ntawm lub phaj.
(2) Cov kua yeeb tshuaj
Lub PS version ntawm cov kua hluav taws xob feem ntau yog tsim los ntawm ib lub vas sab, ua yeeb yaj kiab, thiab lwm yam ntaub ntawv. Cov ntsiab lus ntawm lub sensitizer yog siab heev, thiab cov teeb meem loj heev yog muaj zog hauv alkali tiv thaiv, thiab tsis tuaj yeem pwm tau thaum lub sij hawm raug lub sij hawm, thiab nyob hauv cov xuab zeb txheej tom qab txoj kev loj hlob, yog li ntawd qhov seem tsis muaj zog hauv lipophilicity thiab ua rau viscera.
2. Ua rau hauv phaj txiav txim siab
Qhov zoo ntawm cov phaj luam ntawv ncaj qha cuam tshuam cov luam ntawv zoo ntawm cov ntawv luam tawm ntawv, thiab tseem muaj cov cwj pwm zoo rau cov luam ntawm daim ntawv luam ntawm cov ntawv luam.
(1) Raug
Feem ntau ntawm cov neeg xav tau siv hauv PS-positive txoj haujlwm yog diazo lossis azide tebchaw, thiab feem ntau yog siv diazonium hom sensitizers. Tom qab kis tas lawm, lub tsho pom tau tuaj yeem raug tshem tawm hauv kev txhim kho kom pom lub txheej txheem ntawm alumina hydrophilic los ua ib qho ntawm ib daim ntawv ntawm daim ntawv luam; thaum lub sijhawm uas tsis muaj qhov pom kev pom, feem ntau cov txheej txheem tsis hloov, tsis siv tshuaj tua kua alkali, thiab khaws cia. Ua daim duab nrig ntawm lub phaj ntawm qhov kev teeb tsa. Yog hais tias lub sijhawm tsis tshua zoo los yog qhov tsis zoo txaus thaum lub sijhawm luam ntawv, cov ntaub ntawv ntim cov duab tsis tag yuav tsum tsis txhob muab pov tseg, yog li ntawd cov ntawv xov xwm tsis tiav, thiab sab hauv qab ntawm lub phaj yuav tshwm.
(2) Kev Loj Hlob
Kev loj hlob yog ib qho tseem ceeb ntawm txoj kev txiav txim siab ntawm PS daim. Vim hais tias tus tsim tawm concentration dhau los muaj zog los yog tsis muaj zog, nws yuav ua rau seem ntawm lub phaj ua neeg qias neeg. Raws li ib txwm muaj, tus tsim kev lag luam loj yog loj, qhov kev loj hlob ceev ceev, thiab lwm tus tiag tiag; tus neeg tsim kev kub siab yog siab, qhov kev tsim muaj peev xwm muaj zog, thiab vice versa. Txawm li cas los xij, thaum lub ntsiab lus ntawm kev tsim cov kua dej yog cov nplua nuj heev los yog cov kev kub ntxhov siab dhau lawm, cov teeb ci ntsa iab tsis muaj teeb meem, cov phaj duav raug txo kom tsawg dua, thiab lub plhaub lossis cov phaj yog qhov loj puas. Yog hais tias tus tsim tawm concentration tsis muaj zog los yog qhov kev kub ntxhov hlob tsis dhau, lub sijhawm kev txhim kho yuav tsis tsim kom txaus. Txoj kev loj hlob zoo tsis txaus siab, thiab qee qhov pom ntawm cov duab yuav tsis tuaj yeem ua tiav thiab nyob twj ywm ntawm lub phaj ntws, thiab phaj ntws yog nws cov teeb meem qias neeg tom qab muab tso rau hauv lub tshuab.
Tsis tas li ntawd, kev sim tau pom tias tom qab kis tau thiab kev loj hlob ntawm PS phaj, tus tsim tawm tuaj yeem dhau los ntawm cov teeb meem loj tuaj mus rau ntawm cov txheej oxide thiab yaj ib feem ntawm oxide txheej. Txawm hais tias nws tau ntxuav nrog dej, nws tuaj yeem ntxuav lub qhov ntu ntawm PS daim xwb. Kev tsim kho ntawm cov duab nraaj, thaum tsim cov kua hauv cov duab ci tuaj yeem tsis yooj yim. Thaum lub sijhawm los ntawm kev loj hlob los ntawm kev luam tawm ntawm lub tshuab, tus nqi me me ntawm tus neeg tsim tawm tseem tshuav nyob rau hauv cov teeb ci ntsa iab tseem tuaj yeem nrog cov teeb ci thiab cov txheej oxide, uas yog txo cov adhesion ntawm cov duab ci tuaj rau lub substrate, uas ua rau cov txheej txheem luam ntawv. Cov txheej txheem ntawm daim duab yog yooj yim kom poob tawm. Yog li ntawd, qhov kev tu ntawm PS phaj tom qab txoj kev loj hlob tiav lossis tsis, thiab muaj kev cuam tshuam zoo ntawm cov qauv ua haujlwm.
(3) ziab tsuaj chaw
Muaj cov qias neeg ntawm lub tshuab luam ntawv, thiab cov av ntawm cov thawj cov duab tsis zoo yuav tawm tsam cov teeb ntawm lub teeb phom, uas yuav ua rau cov ntawv xov xwm tuaj yeem ua qias neeg tom qab nyob hauv lub tshuab. Thaum lub sijhawm ua tus PS daim ntawv (xws li ua ntej qhov kev tsim), yog lub teeb nyob sab hauv tsev muaj zog heev, PS daim ntawv tuaj yeem ua rau ntuj kaj, uas yuav ua rau cov tshuaj tua qeeb qeeb thiab ua "rov qab mus rau qhov" tshwm sim, thiaj li hais tias qhov seem ntawm seem yog rhiab roj, ua rau tag nrho txoj kev loj hlob. Ua qhov tsim teebmeem.
Qhov zoo tsim PS version yuav tsum muaj kev tiv thaiv nrog PS version ntawm cov kua nplaum tiv thaiv. Cov kua nplaum yuav tsum "nyias nyias thiab txawm tias". Yog tsis muaj cov hlua roj hmab ntawm lub nplhaib. Cov khoom siv rau cov kua nplaum yuav tsum huv thiab muag. Yuav tsum tsis muaj "hnyav" suede hauv kua nplaum kom tsis txhob khawb qhov chaw. Yog hais tias lub kua nplaum yog tuab heev, lub kua nplaum saum lub hau yuav tuab heev. Tom qab cov kua nplaum tiv thaiv kom qhuav tas lawm, yuav muaj qhov tshwm sim ntawm "tawm", yog tias, cov duab yuav tsum tau tawm ntawm lub tshuab tom qab siv tas lawm, thiab yuav tsis muaj cov cwj mem los ntawm ib daim duab los sis ib feem ntawm daim duab. Qeeb tshwm sim tshwm sim.
Thaum khaws cov ntawv npaj tseg, tsis txhob cia lawv nyob rau hauv ib qho chaw siab lossis siab siab puag ncig ntev ntev, thiab cia lawv nyob deb ntawm lub teeb kom tsis txhob muaj txheej txheem rov los oxidize.
(4) Ci version
Yuav kom txhim kho cov ntawv pov thawj ntawm PS daim phaj, nws yog qhov tsim nyog los ua cov txheej txheem ci. Lub hom phiaj yog los txhim kho txoj kev ua haujlwm tsis txaus siab thiab kev txuas ntawm cov duab sab nrauv, tab sis yog tias nws tsis yog los zoo, nws yuav ua rau lub seem dawb tsis zoo. Muaj peb yam tseem ceeb rau qhov no: Ua ntej tshaj, cov av tsis tuaj yeem tsis muab tshem tawm ua ntej yuav ci, thiab cov av muab tso rau hauv phaj tom qab ci. Qhov ob, cov khoom siv hauv daim ntawv thov ntawm cov kua nplaum tiv thaiv tsis ntxuav muag; qhov zoo ntawm cov kua nplaum tiv thaiv thaum lub sij hawm cia cov txheej txheem, thiab qhov tsim teeb meem. Qhov peb, qhov ntsuas kub ntawm lub phom ci yog siab dhau lawm, thiab cov txheej txheem ntawm daim phaj ua "carbonized". Lub ntsuas qhov cub ntsuas yuav tsum nyob ze li ntawm 250 ° C.
Tus qauv ntawm lub tshuab ci kuj tseem muaj feem xyuam rau cov nyhuv ci. Qee lub khw tau teeb lub longitudinally teeb (uas yog, tib qho kev taw qhia raws li khiav kev coj ua) thiaj li yuav pab tau cov kev hloov ntawm lub teeb lub raj, yog li ntawd qhov ci version tau yooj yim tsim rau hauv ib tus qauv zoo. Vim li no, lub teeb yuav tsum tau ntsia lub horizontally thiaj li hais tias lub phaj yog tusyees heated thaum lub sij hawm ci.
3. Qhov cuam tshuam ntawm cov tshuab luam ntawv
Cov lej ntawm daim ntawv luam tawm tau muab xa mus rau substrate nyob rau hauv lub siab. Vim tias lub tshuab luam ntawv siab, cov phaj luam yuav ua rau hnyav ntawm lub phaj luam ntawv thaum lub txheej txheem, thiab cov ntawv xov xwm ntiv taw yog hnav tom qab lub phaj luam tawm. Kev luam tawm kuj yuav muaj kev cuam tshuam ncaj qha.
Ua ntej, seem ntawm lub phaj, uas muaj qhov dej ruaj khov thiab oleophobic ruaj khov, yog ib txheej xuab zeb uas yog nyob ntawm tus seem hauv seem. Cov xuab zeb txheej yog maj mam npau taws thaum lub sij hawm luam, thiab lub cheeb tsam ntawm qhov chaw khaus yog txo, uas tsis tuaj yeem them nyiaj rau lub sijhawm luam ntawv. Vim yog siv cov xuab zeb txheej, dej cia lub peev xwm ntawm cov phaj ntawv luam, txo cov hydrophilic inorganic ntsev txheej thiab txheej hydrophilic colloid txheej, thiab cov seem tsis tshua muaj siab khov thiab khov, uas cuam tshuam rau kev pab cuam lub neej ntawm daim txiag phaj. Rau cov duab nraaj ntawm daim ntawv luam tawm, yog tias muaj tib txoj kev sib txhuam, qhov txheej txheem ntawm cov ntawv xov xwm tseem raug hnav, kom lub lipophilic hydrophobicity ntawm cov duab nraaj maj mam hloov. Cov theem nruab nrab ntawm qhov nruab nrab muaj qhov sib txawv ntawm cov khoom luam tawm, thiab cov qauv no yog tsim nyob rau hauv high-profile qhov ntawm lub phaj luam ntawv, thiab qhov tseem ceeb qis yog muab pov tseg. Vim li ntawd, kev siv "ntxuav tus neeg saib xyuas" mus so qhov teeb tsa, txawm tias muaj kev puas tsuaj ntxiv rau cov qauv ntawm qhov tsim tawm thiab lub peev xwm adsorption ntawm qhov tsim, ua cov phaj siv tsis tau.
Kev hnav thiab rhuav tshem ntawm lub phaj luam ntawv thaum lub sij hawm luam ntawv yog cov hauv qab no:
(1) Kev sib txhuam ntawm caj dab
Lub tshuab luam ntawv ntawm lub tshuab luam ntawv siv tus qauv ntawm kev hloov thiab hloov, vim tias nws tsis yooj yim los ua kom tsis muaj qhov yuam kev ntawm txoj kab nruab nrab ntawm txoj kab nruab nrab, thiab qhov sib txawv thiab kev sib txhuam yuav tsum yog thaum lub tshuab khiav. Daim pam kheej lub plhaub yog lub cev tsis sib thooj uas feem ntau tau sib txuas nrog lub phom lub tog raj kheej. Nyob rau hauv txoj cai, txoj kab khiav ceev ntawm qhov chaw ntawm ob lub thawv yuav tsum yog tib yam, tab sis txij thaum daim pam tawm ywj siab, thaum muaj ib lub siab thaum lub sij hawm luam tawm, qhov kev tawm ncaj ntawm qhov sib npaug yuav yog qhov txawv me ntsis hais tias ob lub thawv ua tawm kev sib tsoo thiab ua ke thaum rov dov. Lub siab ntau dua, qhov loj dua qhov txhuam tawm. Raws li lub sij hawm mus, zaum kawg cov phaj thiab qhov dawb paug yuav hnav ib yam. Lub phaj raug puas ntsoog.
(2) Txawj los ntawm tus number case yob
Thaum cov roj hmab raws li dov ntim qaub ncaug ntawm daim ntawv luam tawm, nyob rau hauv qhov kev txiav txim siab ntawm qhov siab, muaj ob lub siab ua rog ntawm kev sib txhuam kev sib tw thiab axial series txhuam. Hauv cov hlua radial, cov phaj rau cov menyuam thiab cov quav rau cov tub ntxhais kawm ntawv yuav tsum muaj tib qho kev tawm ncaj tshaj tawm hauv ib lub siab. Txawm li cas los xij, cov khoob muag rau cov mos lwj yog cov tsav los ntawm cov neeg tsis paub qab hau thiab cov ntawv xov xwm los ua ib qho kev rhuav tshem tawm. Muaj ib qho kev sib raug zoo ntawm lub siab, qhov coefficient ntawm kev sib txhuam thiab txoj kab tawm, uas yog ib qho ntawm cov laj thawj sib txawv thiab kev puas tsuaj rau lub phaj ntawv.
Axial series txhuam yog qhov sib txawv nruab nrab ntawm cov menyuam qhov quav ntawm tus cwj mem xees thiab cov kabmob, thiab tus cwj mem xaws npau ntawv los ntawm kev zawv zawg sib txhuam nrog tus number case rau ntawm lub phaj ntog. Cov koob ntu kev sib txhuam no yog qhov teeb meem loj tshaj plaws hauv kev luam ntawv.
(3) Txawj los ntawm cov phaw dej dej
Cov phom dej rau hauv plag yog dov rau ntawm lub phaj los ntawm kev siab ntawm kev sib txhuam ntawm lub phaj thiab lub tsheb ciav hlau. Vim li no, nyob rau hauv kev ua haujlwm ntawm cov phaj dej phaj, ntxiv rau tib qho kev sib tw kev sib txhuam thiab axial striking kev puas tsuaj rau lub phaj luam ntawv los ntawm cov phaj rau cov menyuam, kev hnav cov ris dej ntawm cov phaj luam tawm tsis yog kev cuam tshuam los ntawm kev siv tshuab , tab sis kuj raug kev nyuaj Corrosion kev puas tsuaj rau tshuaj.
4. Kev cuam tshuam ntawm kev luam ntawv
(1) Qhov sib txawv ntawm cov ciav dej
Txawm hais tias qhov feem pua ntawm cov tshuaj dampening yog tsim nyog los tsis, nws muaj ntau feem xyuam rau kev txhim kho cov qauv ua kom tiav ntawm cov ntawv xov xwm. Lub acidity ntawm qhov ciav kua yog tsis tshua muaj zog, thiab hydrophilic colloid txheej yog generated maj mam, thiab tsim muaj cov inorganic ntsev txheej hauv seem uas tsis muaj peev xwm muab tau thiab ntxiv rau hauv lub sij hawm, yog li ntawd cov hydrophilic thiab oleophobicity ntawm qhov tsis muaj dab tsi yog lowered. Lub acidity ntawm dampening kua yog ib yam nkaus thiab muaj zog, nws muaj ntxim muaj corrosive rau ntawm txheej xuab zeb ntawm lub phaj luam, thiab hydrophilic ntsev txheej yog puas lawm. Nyob rau hauv lub siab ceev txhuam, lub phaj luam ntawv yog ci ntsa iab, cov kua txuag yaig yog txo, thiab lub phaj luam ntawv yog lo av thiab ua paj. Version phenomenon. Yog hais tias cov pH ntawm dampening kua yog siab heev (weakly alkaline), daim duab ib feem ntawm PS daim ntawv yuav raug cov yaj, thiab cov ploj lawm ntau phaj thiab qauv yuav tshwm, kom lub phaj tsis tuaj yeem luam tawm. Nws tuaj yeem pom tau hais tias qhov pH ntawm dampening tov yog siab dhau heev lawm los yog tsawg heev, nws yuav cuam tshuam qhov kev siv ntawm daim duab nrawm thiab cov xuab zeb ib feem ntawm cov ntawv phaj, uas yog ncaj qha rau cuam tshuam cov qauv ntawm cov ntawv luam . Yog li, nco ntsoov tswj cov pH ntawm cov tshuaj siv dampening.
(2) Cawv ntawm kev ua luam siab
Thaum koj saib zoo nyob rau hauv PS version ntawm lub tshuab nyob rau hauv qhov teeb meem, koj yuav pom tau tias qhov chaw uas ploj lawm lub phaj thiab tus qauv yog ci iab. Feem ntau, qhov siab ntawm cov phom khawm thiab khawm pam pwm loj dhau lawm, thiab cov xuab zeb txheej ntawm qhov layout yog compressed thiab deformed, thiab cov duab thiab cov dot yog worn, ua rau qhov phenomenon ntawm lub phaj thiab cov phaj.
Vim li cas thiaj li muaj kev nyuaj siab ntau tshaj li hauv qab no:
a. Thaum cov txheej txheem luam ntawv, vim muaj ntawv, kua cwj mem thiab lwm yam khoom, cov khoom tsim los ntawm cov hmoov ntawv thiab tus cwj mem yog tsim ntawm daim pam, uas ua rau siab ntawm cov ntawv xov xwm thiab daim pam. Yog hais tias nws tsis raug muab tshem tawm hauv lub sij hawm, lub thickness ntawm lub tso nyiaj yuav ntxiv zuj zus, txoj kev txhuam ntawm lub phaj yuav maj nce, qhov layout yuav puas ntsoog, thiab lub phaj-disappearing thiab patterning yuav yooj yim generated.
b. Cov pam pob lub thawv ntim quav tsis yog. Hauv kev luam ntawv, feem ntau ntawm cov phom yog muag. Thiaj li yuav ua rau kom lub siab ntxiv, tsuas yog tuab ntawm lub qhov quav ntxiv. Raws li qhov tshwm sim, cov kab tawm ntawm cov phom khawm thiab cov khawm pam pwm txawv zoo heev, thiab cov kev sib txhuam tawm yog loj. Nws tseem yuav ua rau kev ua kom ntev ntawm cov ntawv xov xwm luam tawm.
c. Cov phev no siv tam sim no feem ntau yog hydrophobic colloids uas muaj pigments, solvents thiab qee cov ntaub ntawv pov thawj. Cov xim hauv tus cwj mem muaj qhov cwj pwm zoo rau kev ua hauj lwm lub neej ntawm PS daim. Dej (dampening solution) thiab number case coexist hauv cov txheej txheem luam ntawv. Los ntawm cov tshuab luam ntawv, dej thiab tus cwj pwm tsis sib thooj, tab sis nyob hauv cov ntawv luam tawm, ib qho me me ntawm dampening kua penetrates rau hauv cov cwj mem xwv kom emulsify tus number case, ua rau lub phaj luam ntawv rau ntab thiab tus number case yog tsis pauv. , nws yuav ua rau tshwm sim phenomenon. Thaum lub plhaub taum ntawm cov phaj luam tawm yog tuab heev, lub txheej txheem ntawm cov phom luam tawm puas lawm, kom lub dampening solution tuaj yeem tsis ncaj qha rau cov yeeb yaj duab oxide ntawm cov ntawv luam tawm, thiab cov seem tsis huv. Yog tias cov roj ntsha qhuav hauv cov cwj pwm ntau dhau lawm, tus cwj mem yuav qhuav heev, uas yuav ua rau muab tshuaj txhuam. Tus voj voos ntawm tus cwj pwm yog loj dhau, uas yooj yim ua rau luam ntawv dot los nthuav thiab deform; tus number case fluidity yog tsawg, thiab lub phaj luam ntawv yog nws cov qauv tshwm sim.
Pigment particles nyob rau hauv tus number case yog tuab heev, thiab thaum lub sij hawm luam ntawv, qhov saum npoo ntawm lub phaj luam ntawv yog nquag ua "tsaus pob", uas cuam tshuam rau kev siv.
d. Cov pH ntawm daim ntawv luam tawm feem ntau tsis nruab nrab, tab sis qee cov ntaub ntawv muaj roj ntau heev. Thaum lub sij hawm luam ntawv, alkaline cov khoom ntawm daim ntawv no tau muab cais tawm los ntawm cov kua qaub ncaug rau hauv daim ntawv pov thawj ntawm cov ntawv xov xwm, yog li ntawd qhov dawb ntawm cov txheej txheem ntawm cov kua nplaum tsis ua kom tsis muaj zog, thiab hydrophilicity txo qis kom ua qis tshaj . Daim ntawv yog ntxhib thiab muaj ntau cov xuab zeb, uas yuav ua rau kom hnav rau ntawm cov ntawv phaj, ua rau oxide zaj duab xis ntawm cov ntawv luam tawm, thiab ua rau lub phaj luam ntawv qias neeg.
Qhov peb, peb yuav ua li cas kom ntseeg tau tias cov ntawv luam tawm muaj kev ua haujlwm loj?
Los xyuas kom meej tias cov ntawv xov xwm luam tawm ntawm PS phaj muaj qhov kev ua tiav siab ntev, hauv cov ntsiab lus, peb ntseeg tias cov ntsiab lus tseem ceeb yuav tsum tau muab sau tseg:
1. Kom tau lub sijhawm raug phom sij (raug), tsis txhob sab nraud. Raws li ib txwm muaj, plaub-xim zaj duab xis yuav tsum muaj 3% ntawm qhov chaw me me kom tsis txhob muaj sunk, 98% ntawm qhov loj loj tsis tuaj yeem muab tshuaj, cov kab, cov ntawv nyeem meej, thaub me me tsis poob qhov nuj, tag nrho version ntawm qhov tiag ntawm ntug tus zoo, hollow version Tsis paste version.
2. Thaum tsim cov ntawv PS, tus concentrate ratio ntawm tus tsim tawm yuav tsum yog ncaj qha raws li tus txheej txheem. Tsis txhob siv cov hmoov txhim kho (hmoov), thiab tsis txhob cia siab rau, ua rau muaj kev ywj siab tsim los sis ua kom tus neeg tsim tawm. Nco ntsoov ntxuav qhov qhov tsim tawm tom qab kev txhim kho.
3. Ua kom zoo phaj los yog sau phaj uas raug cuam tshuam, tab sis yuav tsum tau tseg rau rov qab siv dua. Ib daim ntawv tsho tiv thaiv PS tiv thaiv yuav tsum muab so ntawm lub phaj ntawm lub phaj kom raws sij hawm thiab kom zoo. Nyob rau hauv qhov qub cia, lub phaj yuav tsum muab khaws cia hauv maub los tiv thaiv cov phaj los ntawm kev mus rau oxidize. Khaws ntawm qhov chaw kom tsis txhob muaj qhov kub siab, siab ceev, tab sis kuj xyuam xim rau cov kua qaub thiab kua qaub, thiab khaws lub phaj kom qhuav. Rau ntev lub sij hawm poob, nws yog qhov zoo tshaj plaws kom tsis txhob fim tus neeg yaug dej nrog nrog dampening kua.
4. Tiv thaiv kev puas tsuaj rau lub phaj thaum sijhawm luam ntawv. Feem ntau, cov phaj luam ntawv lub tshuab luam ntawv ua rau muaj kev ua haujlwm ntawm lub tshuab. Cov laj thawj tseem ceeb yog: kev sib txawv ceev thiab kev sib txhuam; Qhov thib ob, kev nyuaj siab; qhov thib peb, qhov txhuam ntawm cov tshuaj tsis haum; Qhov thib plaub, tsim rau number case thiab ntawv. Kev sib deev thiab lwm yam.
Li ntawd, kuj them nyiaj rau:
1 Kho qhov siab ntawm lub tshuab, uas yog, qhov siab ntawm qhov dej ntawm lub taub hau, tus cuav quav rau tus kheej thiab lub phaj khawm.
2 Xaiv qhov lining thiab xaiv cov tub ntxhais uas tsim nyog rau sab hauv. Kom sai li sai tau, qhov kev tshaj tawm ntawm tus angular thiab cov kab tawm ntawm peb lub log yog qhov qub thaum lub sijhawm ua haujlwm kom txo cov kev sib txhuam ntawm cov nplais ntawm cov ntawv xov xwm.
3 Sim tshem tawm cov axial lub zog ntawm cov dej hauv dej thiab tus cuav quav rau tus kheej kom tsis txhob tsim hnav rau qhov tsim.
4 Ua tib zoo tuav cov ntsiab lus thiab cov tshuaj tsis haum, kom lub pH ntawm cov tshuaj tsis haum yog tswj tsis pub dhau lub zog qaug zog.
5 los tswj tus kheej, qhov tsis txaus thiab lwm yam tsis txog ntawm tus cwj mem. Thaum lub sij hawm luam ntawv, kev ua kom tau los xyuas kom meej tias cov duab luam tawm tau muaj cov seem txaus ntim quav los tiv thaiv lub phaj.
Hauv ntej, luam tawm yog ib txoj hauv kev uas ntau yam ua haujlwm ua ke thiab cov teeb meem no yog sib cuam tshuam. Yog li ntawd, lub caij ua tiav ntawm PS version yog txiav txim siab los ntawm ntau yam, thiab txhua yam tsis muaj peev xwm tsis quav ntsej. Tsuas yog los ntawm kev ua txhua yam ntawm txoj haujlwm peb tuaj yeem saib xyuas tias cov ntawv ua los ntawm PS daim phaj muaj kev ua haujlwm ntev.