Nnianim Asɛm a Ɛfa Rotogravure Nkyerɛwee Ho

Dɛn ne rotogravure tintim ?

Gravure tintim ne sɛ wɔbɛma wɔde ink akata tintim mprɛte no ani nyinaa so, na afei wɔde afiri titiriw bi a wɔde twitwiw nneɛma adi dwuma de ayi ink no afi ink no fã a ɛda hɔ kwa no mu, sɛnea ɛbɛyɛ a ink no bɛto mesh cavities a ɛwɔ ink no fã a ɛyɛ mfonini no mu nkutoo, na afei wɔ nhyɛso kɛse adeyɛ ase no, wɔde ink no bɛkɔ substrate no ani, na wɔanya ade a wɔatintim no. Gravure tintim yɛ nhoma tintim tẽẽ. Printing plate no fã a ɛyɛ mfonini no yɛ concave, na concavity dodow a ɛne mfonini no level no wɔ shades ahorow, printing plate no fã a ɛda hɔ kwa no kɔ soro, na ɛwɔ cylinder plane koro no ara mu.

Rotogravure kwan no yɛ ɔkwan a wɔfa so de nneɛma kɔ baabi foforo tẽẽ a wɔfa so tintim wɔ nnua-pulp fiber a egyina, synthetic, anaa laminated substrates so, a nea ɛka ho ne:

—Sini ahorow te sɛ PET, OPP, nylon, ne PE,PVC,Cellophane

—Nkrataa

—Carton board a wɔde kyerɛw nsɛm

—Aluminum a wɔde ayɛ krataa

Rotogravure tintim nhyehyɛe

Rotogravure tintim esiane automation a ɛkorɔn a ɛwɔ afiri a wɔde tintim nhoma no mu nti, mprɛte no su ye, na ɛnam so ma adeyɛ no adwumayɛ yɛ mmerɛw sen lithographic tintim, ɛnyɛ den sɛ wobɛyɛ no yiye, adeyɛ no nsu te sɛ nea edidi so yi:

Ahosiesie a wɔyɛ ansa na wɔatintim → wɔ cylinder mprɛte no so → sesa kɔla a wɔakyerɛw so → tintim a wɔahyɛ da ayɛ → tintim akyi dwumadie

Adeyɛ ho nkyerɛkyerɛmu

Wɔ gravure tintim adwuma no mu no, tintim cylinder no di akɔneaba wɔ ink pan no mu baabi a nkwammoaa a wɔakurukyerɛw no hyɛ ink ma. Bere a cylinder no di akɔneaba fi ink pan no ho no, oduruyɛfo no agyan no yi ink biara a ɛboro so no fi hɔ. Wɔ akyirikyiri no, wɔde cylinder no ba substrate no so, na wɔde impression roller a wɔde rɔba akata so no mia so.

Nhyɛso a ɛwɔ roller no mu, ne capillary draw a ɛwɔ substrate no mu no ma ink fi nkwammoaa a ɛwɔ printing cylinder no mu kɔ substrate no ani tẽẽ. Bere a nhoma tintim rola no san di akɔneaba kɔ ink kyɛnsee no mu no, baabi a wɔatintim wɔ substrate no so no fa dryer mu na ɛkɔ tintim afiri a edi hɔ no so, a mpɛn pii no ɛyɛ kɔla soronko anaasɛ ebetumi ayɛ varnish anaa ade a wɔde kata so.

Wɔnam automatic side ne length register control systems so na ɛma ɛyɛ yiye sɛ wɔbɛkyerɛw kɔla a ɛkɔ kɔla pɛpɛɛpɛ.

Wɔ afiri a wɔde tintim nhoma a wɔde wɛb di dwuma ho no, bere a wɔatintim kɔla biara na wɔde biribiara akata so akyi no, ‘wɔsan kyekyere’ wɛb no ma ɛyɛ nhoma mmobɔwee a wɔawie.

Afei yɛde yɛn adwene si tintim nhyehyɛe no so no betumi aka tintim su tẽẽ wɔ nkitahodi ahorow a ɛho hia sen biara no biako mu - kɔla dinkyerɛw

Mprempren, mfiri a wɔde tintim gravure dodow no ara de kɔla a wɔde kyerɛw nsɛm a ɛnyɛ adwuma bedi dwuma de akyerɛw nsusuwso, na ɛma sɛnea wɔkyerɛw din no yɛ adwuma yiye na tintim no tu mpɔn kɛse.

Wɔ wɛb gravure tintim afiri no so no, wɔde afiri bi a ɛtintim boro so a ɛyɛ adwuma ankasa ahyɛ mu. Afiri no yɛ scanning ti, pulse generator, electronic controller, adjusting motor, overprint adjusting roller ne nea ɛkeka ho.

Sɛ overprint agyiraehyɛde a ɛwɔ krataa a wɔatintim no so denam scanning ti no so a, wɔde pulse signal no bɛkɔ electronic controller no nkyɛn, sɛ overprint mark no kɔla a ɛto so abien no yɛ mfomso ansa na agyiraehyɛde no kɔla a edi kan no aba anaasɛ akyi a, pulse bere no a ɛba no bɛyɛ nea ɛnteɛ, enti electronic controller no fi ase hyehyɛ motor no, sɛnea ɛbɛyɛ a kɔla a edi kan ne kɔla a ɛto so abien a ɛwɔ overprint no ntam regulating rollers no benya kankyee ketewaa bi, to yi mfomso a ɛwɔ nhoma tintim a ɛboro so no fi hɔ.

Nea ɛka ho no, nneɛma a edidi so yi nso wɔ hɔ a ebetumi aka sɛnea nhoma tintim no yɛ papa na ɛyɛ adwuma yiye, nanso yebenya ano aduru a ɛfata

a) T he ink no kɔla nyɛ pɛ

Adeyɛ a ɛne sɛ ink kɔla sesa bere ne bere mu wɔ nneɛma a wɔatintim no so. Akwan a wɔfa so yi fi hɔ no bi ne: siesie tintim mprɛte cylinder no kurukuruwa, sesa squeegee no anim ne ne nhyɛso anaasɛ wɔde foforo besi squeegee no ananmu.

b) Fuzzy ne linty nkyerɛwee

Printed mfonini levels ne level, paste, adeyɛ a ɛyɛ burrs wɔ mfonini no ano. Akwan a wɔfa so yi fi hɔ no bi ne: woyi anyinam ahoɔden a ɛnyɛ adwuma fi substrate no ani, wɔde polar solvents bɛka ink no ho, wɔbɛma nhyɛso a wɔde tintim nhoma no akɔ soro sɛnea ɛfata, na wɔayɛ nsakrae wɔ baabi a squeegee no wɔ ne nea ɛkeka ho.

c) nkyerɛase a wɔasiw ano

Ink drying wɔ printing mprɛte mesh, anaasɛ printing mprɛte mesh tokuru no yɛ ma krataa nhwi, krataa powder adeyɛ, a wɔfrɛ no blocking. Akwan a wɔfa so yi fi hɔ ne: ma solvents a ɛwɔ ink no mu no kɔ soro, ɛtew ahoɔhare a ink no dry so, krataa a wɔde tintim a ahoɔden kɛse a ɛwɔ soro di dwuma.

d) Ink a ɛhwie gu

Adeyɛ a ɛne sɛ nsensanee pue wɔ afuw no fã a ɛwɔ nhoma a wɔatintim no so. Akwan a wɔfa so yi fi hɔ no bi ne: wɔde ngo a wɔde fra ink a ɛyɛ den ka ho, ma ink no mu nsu a ɛyɛ den no tu mpɔn. Sesa squeegee no anim, ma ahoɔhare a wɔde tintim no nkɔ soro, na fa tintim mprɛte a emu dɔ si tintim mprɛte a emu dɔ no ananmu.

e) Nsεmfua a εbεhwε

Squeegee kakraa bi wɔ nea wɔatintim no so. Akwan a wɔfa so yi fi hɔ ne: fa ink a ɛho tew a ahɔho nneɛma nfrafra wɔ nhoma tintim no mu di dwuma. Sesa ink no viscosity, dryness ne adhesion. Fa squeegee a ɛyɛ papa di dwuma, sesa anim a ɛda squeegee ne printing plate ntam.

OYANG adwini ho mfiridwumayɛfoɔ no yɛɛ afiri no nhyehyɛeɛ mu nhwehwɛmu na wɔyɛɛ no ​​yie sɛdeɛ ɔhaw ahodoɔ a ɛwɔ tintim adwuma no mu teɛ, na wɔyɛɛ Honor Sereis ELS Rotog ravure Printing Machine no ho nhyehyɛeɛ firii adwene a ɛne sɛ wɔbɛdi ɛyaw a ɛwɔ wɔn a wɔde di dwuma ne nnwuma no mu no ho dwuma.

Rotogravure Process mfaso ne dwumadie

Adeyɛ no ma wotumi de ink kɔ baabi foforo daa, wɔ densities ahorow pii mu, ne ahoɔhare kɛse mu, na ɛma ɛfata ma dwumadie a ɛhia mfonini a ɛkorɔn, te sɛ tintim, nneɛma a wɔde kyekyere, nkyerɛwdeɛ, ahobanbɔ tintim, ne ahosiesie tintim.

Sɛnea tintim nsuhina a wɔde di dwuma no kyɛ no ma gravure tintim yɛ ɔkwan pa a wɔfa so tintim nhoma a ɛkorɔn wɔ mmirikatu a ɛware yiye anaasɛ wɔsan yɛ no daa mu, na ɛde ɛka so mfaso ba sen akwan afoforo.

OYANG nimdeɛ ne nimdeɛ

A formidable innovator, focused on creating value for its clients, products from the OYANG Rotogravure press making, Wɔ mfeɛ mmiɛnsa pɛ mu no OYANG Rotogravure press anya din pa ne din pa wɔ China, na aman ne mpɔtam pii wɔ wiase nyinaa a adetɔfoɔ adwumayɛbea wɔ yɛn Honor series electronic shaft rotogravure printing press, na wɔtu mmirika denneennen.

Ɔyɛ ade foforo a ɔyɛ nwonwa saa ara, OYANG de gyinapɛn foforo asi hɔ wɔ wɛb-sini gravure tintim mu wɔ mmeae a ɛhwehwɛ te sɛ nneɛma a wɔde kyekyere nneɛma a ɛyɛ mmerɛw denam ne Honor® series rotogravure press ahorow so . Sɛ wonya tintim a ɛda nsow wɔ laminated flexible packaging a ɛkorɔn so a, ɛde nsɛnnennen foforo ba gravure tintim nhyehyɛe no so, nanso mfiridwuma mu nkɔso, ɛnyɛ den sɛ wɔde bedi dwuma, bere a wɔde dannan nneɛma ntɛmntɛm ne OYANG mfiri a wɔsɛe no a ɛso atew no ma ɛyɛ nea adetɔfo a wɔwɔ China ne wiase nyinaa paw no mu biako.