Pakati pezvinhu zvesimbi,aruminiyamuMachubhu ane hunhu hwesimba guru, chitarisiko chakanaka, huremu hwakareruka, haasvibisi, uye haana hwema. Anowanzo shandiswa mumaindasitiri ezvizoro nemishonga. Sezvinhu zvekudhinda, simbi ine mitsetse yakanaka yekugadzirisa uye magadzirirwo akasiyana-siyana ekugadzira. Kudhinda kunoita kuti pave nekubatana kwekushandiswa kwayo uye hunyanzvi hwayo.
kudhinda simbi
Kudhinda pazvinhu zvakaoma zvakaita semaplate esimbi, midziyo yesimbi (zvigadzirwa zvakaumbwa), uye mafoil esimbi. Kudhinda simbi kazhinji hakusi chinhu chekupedzisira, asi kunodawo kugadzirwa mumidziyo yakasiyana-siyana, mavharo, zvinhu zvekuvaka, nezvimwewo.
01Zvinhu
①Mavara akajeka, machira akapfuma, uye mhedzisiro yakanaka yekuona.
②Zvinhu zvinodhindwa zvinogona kugadziriswa zvakanaka uye zvakasiyana-siyana mukugadzira magadzirirwo. (Zvinogona kugadzira magadzirirwo matsva uye akasiyana ekugadzira magadzirirwo, kugadzira masirinda akasiyana-siyana ane chimiro chakasarudzika, magaba, mabhokisi nezvimwe zvinhu zvekurongedza, kushongedza zvigadzirwa uye kuvandudza kukwikwidzana kwechigadzirwa)
③Zvinobatsira pakuona kubatana kwekushandiswa kwechinhu uye hunyanzvi hwechigadzirwa. (Zvinhu zvesimbi zvinoshanda zvakanaka uye kuramba kupera kweinki uye kugara kwenguva refu kunoita kuti pave nedhizaini yakasiyana uye kudhindwa kwakanaka, kunatsiridza kugara kwenguva refu uye kuchengetedzeka kwezvigadzirwa, uye ndizvo zvinhu zvinobatanidza kukosha kwekushandiswa kwechigadzirwa uye hunyanzvi)
02 Sarudzo yenzira dzekudhinda
Zvichienderana nechimiro che substrate, vazhinji vavo vanoshandisa offset printing, nekuti offset printing ndeyekudhinda zvisina kunanga, zvichibva pa elastic rabber roller kuti ibate substrate yakaoma kuti ipedzise kutamiswa kweinki.
①Sheti rakatsetseka (tinplate ine zvidimbu zvitatu)- ...
②Zvigadzirwa zvakaumbwa (magaba ealuminium ane zvikamu zviviri akadhindwa) ------ kudhinda kwe letterpress offset (kudhinda kwe dry offset)
Zvekungwaririra
Chekutanga: Pakudhinda zvinhu zvesimbi, nzira yekudhinda zvakananga yekudhinda zvakananga ndiro yekudhinda yesimbi yakaoma uye substrate yakaoma haigone kushandiswa, uye kudhinda zvisina kunanga kunowanzo shandiswa.
Chechipiri: Inonyanya kudhindwa nekudhinda kwe-lithographic offset uye kudhinda kwe-letterpress dry offset.
2. Zvinhu zvekudhinda
Kudhinda pazvinhu zvakaoma zvakaita semaplate esimbi, midziyo yesimbi (zvigadzirwa zvakaumbwa), uye mafoil esimbi. Kudhinda simbi kazhinji hakusi chinhu chekupedzisira, asi kunodawo kugadzirwa mumidziyo yakasiyana-siyana, mavharo, zvinhu zvekuvaka, nezvimwewo.
01 tinplate
(Ndiro yesimbi yakaputirwa netini)
Chinhu chikuru chekudhinda chesimbi chakaputirwa netin padanda resimbi rakatetepa. Ukobvu hwacho hunowanzova 0.1-0.4mm.
①Chiratidzo cheplate yesimbi:
Basa refirimu remafuta nderekudzivirira kukwenya pamusoro kunokonzerwa nekukweshana panguva yekurongedza, kuputira kana kutakurwa kwemachira esimbi.
② Zvichienderana nemaitiro akasiyana ekuisa tin plating, yakakamurwa kuita: hot dip plate plate; electroplate tinplate
02Wuxi ndiro yesimbi yakatetepa
Ndiro yesimbi isingashandise tin zvachose. Rutivi rwekudzivirira rwakagadzirwa nesimbi yakatetepa zvikuru chromium ne chromium hydroxide:
①TFS maonero echikamu chakasiyana
Chigadziko chesimbi chechromium chinogona kuwedzera kusimba kwengura, uye chromium hydroxide inozadza maburi ari pachikamu chechromium kudzivirira ngura.
②Zvinyorwa:
Chekutanga: Kupenya kwesimbi yeTFS hakunyatsooneki zvakanaka. Kana ikadhindwa zvakananga, kujeka kwepatani kuchave kwakaderera.
Chechipiri: Paunenge uchishandisa, isa pendi kuti ifukidze pamusoro peplate yesimbi kuti iwane inki inonamira zvakanaka uye inodzivirira ngura.
03 ndiro yesimbi yezinki
Ndiro yesimbi inotonhorera inoputirwa ne zinc yakanyungudutswa kuti igadzire simbi ye zinc. Kuputira simbi ye zinc nependi ine mavara kunova simbi ine mavara, iyo inoshandiswa kugadzira mapaneru ekushongedza.
04 Pepa reAluminium (zvinhu zvearuminiyamu)
①Kupatsanura
Mapepa earuminiyamu ane hunhu hwakanaka kwazvo. Panguva imwe chete, kupenya kwepamusoro kweplate yearuminiyamu kwakanyanya, kugona kudhindwa kwakanaka, uye mhedzisiro yakanaka yekudhinda inogona kuwanikwa. Saka, mukudhindwa kwesimbi, mapepa earuminiyamu anoshandiswa zvakanyanya.
②Zvinhu zvikuru:
Kana tichienzanisa ne tinplate ne TFS steel plates, huremu hwacho hwakareruka ne 1/3;
Haiburitse ma oxides mushure mekupendwa semaplate esimbi;
Hapana hwema hwesimbi huchabuda nekuda kwekunaya kwemaion esimbi;
Kurapa pamusoro pechinhu kuri nyore, uye mavara akajeka anogona kuwanikwa mushure mekupenda;
Inoshanda zvakanaka pakufambisa kupisa uye kupenya kwechiedza, uye ine kugona kwakanaka kwekufukidza chiedza kana gasi.
③Manotsi
Mushure mekutenderedza maplate earuminiyamu kakawanda, zvinhu zvacho zvinotanga kupwanyika kana zvichioma, saka mapepa earuminiyamu anofanira kudzimwa uye kunyoroveswa.
Pakuputira kana kudhinda, kupfava kunoitika nekuda kwekupisa kuri kukwira. Chidimbu chearuminiyamu chinofanira kusarudzwa zvichienderana nechinangwa chekushandisa.
3. Inki yekudhinda simbi (pendi)
Pamusoro pesimbi yakatsetseka, yakaoma uye haina kupinza ingi zvakanaka, saka ingi yekuprinda inooma nekukurumidza inofanira kushandiswa. Sezvo kurongedza kune zvakawanda zvinodiwa uye kune matanho akawanda ekugadzirisa coating yemidziyo yesimbi isati yadhindwa uye mushure mekuprinda, kune mhando dzakawanda dzeinki dzekuprinda simbi.
01Pendi yemukati
Inki (coating) yakaputirwa pamadziro emukati mesimbi inonzi internal coating.
①Basa
Iva nechokwadi chekuti simbi yabviswa kubva muzvinhu zviri mukati kuti udzivirire chikafu;
Fukidza ruvara rweplate yesimbi pachayo.
Dzivirira simbi kubva mukuora nezviri mukati.
Zvinodiwa
Pendi yacho inosangana zvakananga nezviri mukati, saka pendi inofanirwa kunge isina chepfu uye isina hwema. Inofanira kuomeswa muomesa mushure mekuputirwa mukati.
③Rudzi
Pendi yemhando yemichero
Zvikurukuru mafuta resin inobatanidza zvinhu.
Kuputira kwakagadzirwa nechibage uye zviyo
Chinonyanya kushandiswa sechinobatanidza mhando ye oleoresin, chine zvidimbu zvidiki zve zinc oxide zvakawedzerwa.
kupfeka kwemhando yenyama
Kudzivirira ngura, zvinhu zvinobatanidza zve phenolic resin uye epoxy resin zvinonyanya kushandiswa, uye mamwe mavara earuminiyamu anowanzo wedzerwa kudzivirira kusvibiswa kwesarufa.
Pendi yakajairika
Inonyanya kushandiswa se oleoresin type binder, ine phenolic resin yakawedzerwa.
02 Kupfeka kwekunze
Inki (coating) inoshandiswa kudhinda pamusoro pekunze kwemidziyo yesimbi inoputirwa nesimbi, iyo inoshandiswa kuwedzera chitarisiko uye kugara kwenguva refu.
① Pendi yekutanga
Inoshandiswa sechinotangira usati wadhinda kuti ive nechokwadi chekuti inki chena iri kubatana zvakanaka nesimbi uye kuti inki irambe yakabatana zvakanaka.
Zvinodiwa zvehunyanzvi: Iyo primer inofanira kunge yakabatana zvakanaka nesimbi neinki, kuyerera kwakanaka, ruvara rwakajeka, kuramba mvura zvakanaka, uye ukobvu hwekufukidza hunosvika 10 μm.
②Inki chena - inoshandiswa kugadzira hwaro chena
Inoshandiswa seruvara rwekumashure pakudhinda mifananidzo nemagwaro akazara. Pendi yacho inofanira kunge yakanamatira zvakanaka uye yakachena, uye haifanirwe kuita yero kana kupera simba kana yabikwa pakupisa kwakanyanya, uye haifanirwe kubvaruka kana kubvaruka panguva yekugadzira kani.
Basa nderekuita kuti inki ine ruvara yakadhindwa pairi inyatsojeka. Kazhinji majasi maviri kana matatu anoiswa neroller kuti awane kuchena kwaunoda. Kuti inki chena isatsvedze panguva yekubika, mamwe mapigment, anonzi matoners, anogona kuwedzerwa.
③Inki ine ruvara
Pamusoro pehunhu hweinki yekudhinda ye lithographic, ine hunhu hwakanaka hwekudzivirira kubheka, kubika uye solvent inodziya zvakanyanya. Mazhinji acho iinki yekudhinda yesimbi yeUV. Hunhu hwayo hwe rheological hwakafanana nehweinki ye lithographic, uye viscosity yayo ndeye 10 ~ 15s (coating: Nhamba 4 cup/20℃)
4. Kudhinda nepaipi yesimbi
Hosipaipi yesimbi mudziyo wekurongedza wakaumbwa nesimbi. Unonyanya kushandiswa pakurongedza zvinhu zvakaita sepaste, zvakaita semidziyo yakakosha yemazino, polish yeshangu uye mafuta ekuzora ekurapa. Kudhinda hosipaipi yesimbi kudhinda pamusoro wakakombama. Purati yekudhinda ipurati yemhangura nepurati yeresin inopenya, uchishandisa nzira yekudhinda ye letterpress offset: hosipaipi yesimbi inonyanya kureva machubhu earuminiyamu. Kugadzirwa nekudhindwa kwemachubhu earuminiyamu kunopedzwa pamutsetse wekugadzira otomatiki unoramba uchienderera mberi. Mushure mekudhinda nekupwanya, aluminium billet inotanga kupinda mudhirati.
01Zvinhu
Paste iyi ine viscosity yakati, iri nyore kunamira uye kuchinja chimiro, uye iri nyore kurongedza nemapombi esimbi. Hunhu hwayo ndehwekuti: yakavharwa zvachose, inogona kuparadzanisa chiedza chekunze, mhepo, hunyoro, nezvimwewo, kuchengetwa kwakanaka kwekutsva uye kunaka, kugadziriswa kwezvinhu zviri nyore, kushanda zvakanaka, kuzadza. Zvigadzirwa zvinokurumidza, zvakarurama uye zvakachipa, uye zvinofarirwa zvikuru nevatengi.
Nzira yekugadzirisa 02
Kutanga, simbi inogadzirwa kuita pombi yemvura, uye zvino kudhinda nekugadzirisa mushure mekudhinda kunoitwa. Maitiro ese kubva pakupukuta machubhu, kufukidza kwemukati, primer kusvika pakudhinda nekuvharira anopedzwa pamutsetse wekugadzira machubhu otomatiki.
Rudzi rwe03
Zvichienderana nezvinhu zvinogadzira hosipaipi, kune mhando nhatu:
①Hosipaipi yesimbi
Mutengo wacho wakakwira uye hauwanzo shandiswa. Mishonga yakasiyana chete ndiyo inoshandiswa nekuda kwerudzi rwechigadzirwa chacho.
②Hosipaipi yemutobvu
Lead ine chepfu uye inokuvadza muviri wemunhu. Iye zvino haichanyanyi kushandiswa (inenge yarambidzwa) uye inoshandiswa chete muzvigadzirwa zvine fluoride.
③Hosipaipi yeAluminum (inonyanya kushandiswa)
Simba guru, chitarisiko chakanaka, huremu hwakareruka, hahuna chepfu, hahuna kunaka uye mutengo wakaderera. Inoshandiswa zvakanyanya mukupakata zvizoro, mushonga wemazino wepamusoro-soro, mishonga, chikafu, zvigadzirwa zvemumba, pigments, nezvimwewo.
04unyanzvi hwekudhinda
Mafambiro ebasa iri ndeekuti: kudhinda ruvara rwekumashure nekuomesa - kudhinda mifananidzo nemagwaro nekuomesa.
Chikamu chekudhinda chinoshandisa chimiro chesatellite uye chine mudziyo wekuvanza ruvara rwekutanga newokuomesa. Muchina wekuvanza ruvara rwekutanga wakaparadzaniswa nedzimwe nzira, uye mudziyo wekuomesa we infrared wakaiswa pakati.
①Prinda ruvara rwekumashure
Shandisa primer chena kudhinda ruvara rwekutanga, pendi yacho yakakora, uye pamusoro payo pakaita sandara uye pakanyatsotsvedzerera. Kuti zvive nemhedzisiro yakakosha, ruvara rwekumashure runogona kugadziriswa kuti ruve nemavara akasiyana, akadai sepingi kana bhuruu rakareruka.
②Kuomesa ruvara rwekumashure
Isa muovheni inopisa zvakanyanya kuti ubike. Pombi haizoshanduke yero mushure mekuoma asi inofanira kunge ine kunamira pamusoro.
③Kudhinda mifananidzo nemagwaro
Mudziyo wekutamisa inki unotamisa inki kuenda kuplate relief, uye inki yemifananidzo nemagwaro eplate yega yega yekudhinda inotamiswa kugumbeze. Roller yerabha inodhinda mufananidzo nemagwaro ari pamadziro ekunze epaipi panguva imwe chete.
Mifananidzo yemupombi nemagwaro zvinowanzova zvakasimba, uye maprinta ane mavara akawanda haapindirani. Roller yerabha inotenderera kamwe chete kuti ipedzise kudhinda mapombi akawanda. Hosi inoiswa pa mandrel yedhisiki rinotenderera uye haitendereri yoga. Inotenderera chete kuburikidza nekukweshana mushure mekusangana neroller yerabha.
④Kudhinda nekuomesa
Pombi yakadhindwa inofanira kuomeswa muovheni, uye tembiricha yekuomesa nenguva zvinofanira kusarudzwa zvichienderana nehunhu hweinki hune antioxidant.
Nguva yekutumira: Chivabvu-15-2024