Lub blockage ntawm anilox cov menyuam hlwb yog qhov tseeb tshaj plaws cov ntsiab lus uas tsis tuaj yeem zam hauv kev siv anilox rollers, Nws cov tsos mob tau muab faib ua ob qhov xwm txheej: qhov txhaws ntawm cov menyuam anilox (Daim duab.1) thiab cov blockage ntawm anilox roller cells (Daim duab. 2).
Daim duab .1
Daim duab .2
Ib tug raug flexo number case system muaj ib tug number case chamber (kaw tus number case pub system), anilox cov menyuam, phaj lub tog raj kheej thiab substrate, Nws yog tsim nyog los tsim ib tug ruaj khov hloov txheej txheem ntawm tus number case Chamber, anilox cov menyuam hlwb, nto ntawm luam ntawv. phaj dots thiab saum npoo ntawm substrate thiaj li tau txais cov ntawv luam tawm zoo. Nyob rau hauv txoj kev hloov tus cwj mem no, tus lej hloov pauv ntawm tus lej anilox rau lub phaj saum npoo yog kwv yees li 40%, Ink hloov ntawm phaj mus rau substrate yog kwv yees li 50%, Nws tuaj yeem pom tau tias kev hloov pauv tus cwj mem tsis yog qhov yooj yim hloov lub cev, tab sis cov txheej txheem nyuaj suav nrog kev hloov pauv tus lej, number case kom qhuav, thiab number case redissolving; Raws li kev luam ntawv ceev ntawm lub tshuab luam ntawv flexo tau nrawm dua thiab nrawm dua, cov txheej txheem nyuaj no yuav tsis tsuas yog ua ntau thiab nyuaj, tab sis kuj yog qhov zaus ntawm kev hloov pauv ntawm tus cwj mem txoj kev sib kis yuav nrawm dua thiab nrawm dua; Cov kev xav tau rau lub cev lub cev ntawm lub qhov yog tseem tau txais ntau dua thiab siab dua.
Polymers nrog kev sib txuas ntawm kev sib txuas yog siv dav hauv inks, xws li polyurethane, acrylic resin, thiab lwm yam., txhawm rau txhim kho qhov adhesion, abrasion tsis kam, dej tsis kam thiab tshuaj lom neeg ntawm txheej number case. Txij li thaum tus number case hloov pauv hauv lub hlwb anilox tsuas yog 40%, uas yog hais tias, feem ntau ntawm cov number case hauv lub hlwb yog nyob hauv qab ntawm cov hlwb thaum lub sijhawm luam ntawv tag nrho. Txawm hais tias ib feem ntawm tus number case hloov, nws yog ib qho yooj yim ua kom tus number case ua kom tiav hauv cov hlwb. Cov resin cross-linking yog ua tiav rau ntawm qhov chaw ntawm lub substrate, uas ua rau lub blockage ntawm lub hlwb ntawm anilox yob.
Nws yog ib qho yooj yim to taub tias qhov saum npoo ntawm anilox cov menyuam raug thaiv. Feem ntau, lub anilox roller yog siv tsis raug, yog li ntawd tus number case yog kho tau thiab cross-linked rau saum npoo ntawm anilox roller, uas ua rau muaj kev thaiv.
Rau anilox yob manufacturers, kev tshawb fawb thiab kev loj hlob ntawm ceramic txheej tshuab, kev txhim kho ntawm laser daim ntawv thov technology, thiab kev txhim kho ntawm ceramic nto kho tshuab tom qab engraving ntawm anilox yob tuaj yeem txo qhov clogging ntawm anilox yob hlwb. Tam sim no, cov kev siv feem ntau yog los txo qhov dav ntawm phab ntsa mesh, txhim kho qhov smoothness ntawm sab hauv phab ntsa ntawm lub mesh, thiab txhim kho cov compactness ntawm ceramic txheej. .
Rau kev lag luam luam ntawv, qhov ziab ceev ntawm tus number case, qhov resolubility, thiab qhov kev ncua deb ntawm qhov squeegee point mus rau qhov chaw luam ntawv kuj tuaj yeem hloov kho kom txo tau qhov blockage ntawm anilox roller cells.
Corrosion
Corrosion yog hais txog qhov tshwm sim ntawm qhov taw tes zoo li protrusions ntawm qhov chaw ntawm lub anilox cov menyuam, raws li qhia hauv daim duab 3. Corrosion yog tshwm sim los ntawm tus neeg saib xyuas kev nkag mus rau hauv qab txheej raws li qhov sib txawv ntawm cov ceramic, corroding cov hlau hauv qab cov menyuam, thiab tawg cov ceramic txheej los ntawm sab hauv, ua rau muaj kev puas tsuaj rau cov menyuam anilox (Daim duab 4, daim duab 5).
Daim duab 3
Daim duab 4
Daim duab 5 corrosion nyob rau hauv lub microscope
Yog vim li cas rau kev tsim ntawm corrosion yog raws li nram no:
① Lub qhov hws ntawm cov txheej yog loj, thiab cov kua muaj peev xwm ncav cuag lub hauv paus rau cov menyuam los ntawm lub qhov hws, ua rau corrosion ntawm lub hauv paus menyuam.
② Kev siv lub sijhawm ntev ntawm cov tshuaj ntxuav tu xws li cov kua qaub muaj zog thiab muaj zog alkalis, tsis tas sijhawm da dej thiab cua qhuav tom qab siv.
③ Txoj kev tu tsis raug, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv tu lub sijhawm ntev.
④ Cov txheej txheem khaws cia tsis raug, thiab nws khaws cia rau hauv qhov chaw ntub dej kom ntev.
⑤ Tus nqi pH ntawm number case los yog additives yog siab dhau lawm, tshwj xeeb tshaj yog cov dej-raws li number case.
⑥ Lub anilox cov menyuam raug cuam tshuam thaum lub sij hawm installation thiab disassembly txheej txheem, uas ua rau cov kev hloov ntawm cov ceramic txheej sib txawv.
Kev ua haujlwm thawj zaug feem ntau tsis saib xyuas vim yog lub sijhawm ntev ntawm qhov pib ntawm corrosion thiab qhov tshwm sim kev puas tsuaj rau anilox yob. Yog li ntawd, tom qab pom qhov tshwm sim ntawm lub hnab ntim khoom ntawm ceramic anilox roller, koj yuav tsum hu rau lub chaw muag khoom ceramic anilox rau lub sijhawm los tshawb xyuas qhov ua rau ntawm lub koov.
Circumferential khawb
Kev khawb ntawm anilox yob yog cov teeb meem feem ntau cuam tshuam rau lub neej ntawm anilox rolls.(siv 6)Nws yog vim hais tias cov khoom nruab nrab ntawm anilox cov menyuam thiab cov kws kho mob hniav, nyob rau hauv qhov kev txiav txim ntawm lub siab, ua txhaum lub nto ceramics ntawm lub anilox roller, thiab qhib tag nrho cov phab ntsa mesh nyob rau hauv lub luam ntawv khiav kev taw qhia los tsim ib tug zawj. Qhov kev ua tau zoo ntawm qhov luam tawm yog qhov pom ntawm cov kab tsaus.
Daim duab 6 Anilox yob nrog khawb
Qhov teeb meem tseem ceeb ntawm kev khawb yog qhov kev hloov ntawm lub siab ntawm tus kws kho mob hniav thiab cov anilox cov menyuam, kom lub ntsej muag ntawm lub ntsej muag thawj lub siab dhau los ua lub hauv paus taw tes rau lub ntsej muag siab; thiab kev luam ntawv siab ceev ua rau lub siab nce siab, thiab lub zog puas tsuaj yog qhov zoo heev. (Daim duab 7)
Daim duab 7 kev khawb hnyav heev
General khawb
khawb me me
Feem ntau, nyob ntawm qhov ceev luam ntawv, khawb uas cuam tshuam rau kev luam ntawv yuav raug tsim hauv 3 mus rau 10 feeb. Muaj ntau yam uas hloov lub siab no, feem ntau yog los ntawm ntau yam: lub anilox roller nws tus kheej, kev tu thiab tu ntawm tus kws kho hniav system, qhov zoo thiab kev teeb tsa thiab kev siv ntawm tus kws kho hniav, thiab kev tsim cov khoom tsis zoo.
1. lub anilox menyuam nws tus kheej
(1) Kev kho deg ntawm ceramic anilox cov menyuam tsis txaus tom qab kos duab, thiab qhov saum npoo yog ntxhib thiab yooj yim rau khawb cov scraper thiab cov hniav ntawm scraper.
Qhov chaw sib cuag nrog cov menyuam anilox tau hloov pauv, ua kom lub siab, sib npaug ntawm lub siab, thiab rhuav tshem cov mesh hauv lub xeev ntawm kev ua haujlwm siab.
Qhov saum npoo ntawm cov menyuam embossed daim ntawv khawb.
(2) Ib txoj kab sib sib zog nqus polishing yog tsim thaum lub sijhawm polishing thiab kev sib tsoo zoo. Qhov xwm txheej no feem ntau tshwm sim thaum lub anilox yob xa tuaj, thiab cov kab polished maj mam tsis cuam tshuam rau kev luam ntawv. Nyob rau hauv cov ntaub ntawv no, lub tshuab luam ntawv pov thawj yuav tsum tau nqa tawm ntawm lub tshuab.
2.kev tu thiab tu ntawm tus kws kho mob hniav system
(1) Txawm hais tias qib ntawm chamber kws kho mob hniav raug kho, lub chamber kws kho mob hniav nrog qib tsis zoo yuav ua rau tsis sib xws. (Daim duab 8)
Daim duab 8
(2) Txawm hais tias tus kws kho mob hniav chamber khaws cia ntsug, lub tshuab tsis yog ntsug yuav ua rau kom qhov chaw sib cuag ntawm cov hniav. Tiag tiag, nws yuav ua rau muaj kev puas tsuaj rau cov menyuam anilox. Daim duab 9
Daim duab 9
(3) chamber kws kho mob hniav system tu yog ib qho tseem ceeb heev, Tiv thaiv impurities los ntawm kev nkag mus rau tus number case system, daig nyob rau hauv nruab nrab ntawm tus kws kho hniav hniav thiab cov anilox cov menyuam. ua rau muaj kev hloov hauv siab. Qhuav number case kuj txaus ntshai heev.
3.Qhov kev teeb tsa thiab kev siv ntawm tus kws kho mob hniav
(1) Txhim kho lub chamber kws kho hniav hniav kom raug kom paub meej tias cov hniav tsis puas, cov hniav yog ncaj tsis muaj yoj, thiab zoo kawg nkaus ua ke nrog cov hniav, xws li
Raws li pom hauv daim duab 10, nco ntsoov khaws lub siab txawm tias nyob rau saum npoo ntawm cov menyuam anilox.
Daim duab 10
(2) Siv cov scrapers zoo. High-zoo scraper steel muaj ib tug nruj molecular qauv, raws li qhia nyob rau hauv daim duab 11 (a), tom qab hnav Cov hais me me thiab zoo li qub; cov qauv molecular ntawm cov hlau tsis zoo scraper tsis nruj txaus, thiab cov khoom yog loj tom qab hnav, raws li qhia hauv daim duab 11 (b) qhia.
Daim duab 11
(3) Hloov cov hniav riam rau lub sijhawm. Thaum hloov, ua tib zoo saib xyuas kom tiv thaiv riam ntug kom tsis txhob raug tsoo. Thaum hloov cov kab sib txawv ntawm cov menyuam anilox, koj yuav tsum hloov cov hniav riam. Qhov hnav degree ntawm anilox cov menyuam nrog cov kab sib txawv tsis sib xws, raws li qhia hauv daim duab 12, daim duab sab laug yog cov kab qis qis screen Sib tsoo ntawm cov hniav riam ntawm cov hniav riam Cov xwm txheej ntawm lub ntsej muag puas, daim duab ntawm lub txoj cai qhia tau hais tias tus mob ntawm lub ntsej muag hnav kawg ntawm cov kab siab suav anilox cov menyuam rau cov hniav riam. Qhov chaw sib cuag ntawm tus kws kho mob hniav thiab cov menyuam anilox nrog cov qib hnav tsis sib xws, ua rau muaj kev hloov siab thiab khawb.
Daim duab 12
(4) Lub siab ntawm lub squeegee yuav tsum yog lub teeb, thiab lub siab dhau ntawm lub squeegee yuav hloov qhov chaw sib cuag thiab lub kaum sab xis ntawm lub squeegee thiab anilox roller, raws li pom hauv daim duab 13. Nws yog ib qho yooj yim rau entrain impurities, thiab cov entrained. impurities yuav ua rau khawb tom qab hloov lub siab. Thaum tsis tsim nyog siv, yuav tsum hnav hlau tails ntawm tus ntoo khaub lig seem ntawm lub scraper hloov daim duab 14. Thaum nws ntog, nws tau ntes tau ntawm cov scraper thiab cov anilox roller, uas yuav ua rau khawb ntawm lub anilox roller.
Daim duab 13
Daim duab 14
4. qhov tsim tsis xws luag ntawm cov khoom siv
Kev tsim tsis zoo kuj tuaj yeem ua rau khawb tau yooj yim, xws li kev tsis sib haum xeeb ntawm tus qauv tsim ntawm tus number case block thiab txoj kab uas hla ntawm anilox yob. Qhov tsis tsim nyog tsim ntawm lub kaum sab xis, qhov tsis sib haum xeeb ntawm txoj kab uas hla thiab qhov ntev ntawm cov menyuam anilox, thiab lwm yam, yuav ua rau muaj qhov tsis paub tseeb. Nws tuaj yeem pom tau tias qhov teeb meem ntawm khawb nyob rau hauv lub voj voog ncig ntawm anilox yob yog qhov nyuaj heev. Ua tib zoo saib xyuas cov kev hloov hauv siab, tu thiab tu raws sij hawm, xaiv qhov zoo scraper, thiab kev ua haujlwm zoo thiab kev coj ua zoo tuaj yeem txo qhov teeb meem khawb.
Kev sib tsoo
Txawm hais tias hardness ntawm ceramics yog siab, lawv yog cov ntaub ntawv nkig. Nyob rau hauv kev cuam tshuam ntawm sab nraud quab yuam, cov ceramics yog ib qho yooj yim mus poob thiab tsim pits (Daim duab 15). Feem ntau, pob tshwm sim thaum thauj khoom thiab tshem tawm cov khoom siv anilox, lossis cov cuab yeej hlau poob ntawm cov menyuam nto. Sim ua kom qhov chaw luam ntawv huv si, thiab tsis txhob muab cov khoom me me nyob ib ncig ntawm lub tshuab luam ntawv, tshwj xeeb tshaj yog nyob ze ntawm lub tais tais thiab anilox roller. Nws raug nquahu kom ua haujlwm zoo ntawm anilox. Kev tiv thaiv zoo ntawm cov menyuam los tiv thaiv cov khoom me me los ntawm kev poob thiab sib tsoo nrog cov menyuam anilox. Thaum loading thiab unloading lub anilox cov menyuam, nws raug nquahu kom qhwv nws nrog ib tug saj zawg zog tiv thaiv npog ua ntej ua hauj lwm.
Daim duab 15
Post lub sij hawm: Feb-23-2022