Rotogravure Printing tih hi eng nge ni?
Gravure Printing chu printing plate-a ink hmanga khuh vek tur a ni a, chutah chuan ink blank aanga ink chu la chhuakin scraping mechanism bik hmangin, chutiang chuan ink chu ink-a graphic part mesh cavities-ah chauh dah a ni ang a, chutah chuan pressure nasa zawk action hnuaiah chuan ink chu substrate chunglamah dah a ni ang. Gravure printing hi direct printing a ni. Printing plate-a graphic part chu concave a ni a, chu image level nena concavity degree chu shade hrang hrang a nei a, printing plate-a blank part chu a sang a, cylinder plane khatah a awm bawk.
Rotogravure process hi wood-pulp fiber based, synthetic, emaw laminated substrate-a print theihna tur direct transfer dan a ni a, chung zingah chuan:
—Film hrang hrang PET, OPP, Nylon, leh Pe,Pvc,Cellophane te .
—Paper te .
—Carton Board 100 a ni.
—Aluminum foil a ni.
Rotogravure print dan tur .
Rotogravure Printing Printing machine automation degree sang tak avang hian plate quality a tha a, chuvangin process operation chu lithographic printing aiin a awlsam zawk a, master awlsam a ni a, process flow chu hetiang hi a ni:
Pre-printing buatsaih → Cylinder plate-ah → A rawng registration chu siamrem rawh → Formal printing → Post-press processing
Process sawifiahna .
Gravure printing process chhung hian printing cylinder chu ink pan-ah a inher a, chutah chuan engraved cells chu ink-in a khat a. Cylinder chu ink pan atanga a chhuah chuan ink tam lutuk chu doctor blade hmangin a paih chhuak thin. A chhehvelah chuan cylinder chu substrate nen an inzawm a, chu chu rubber covered impression roller hmangin a chungah an press a ni.
Roller pressure bakah hian substrate capillary draw nen hian printing cylinder chhunga cell atanga ink chu substrate chung lamah direct a transfer a ni. Printing roller chu ink pan-ah a inher leh chuan, substrate-a printed area chu dryer hmangin leh a hnuaia printing unit-ah a kal zel a, chu chu a tlangpuiin a rawng danglam emaw, varnish emaw, coating emaw a ni thei.
Promise color to color registration chu automatic side leh length register control system hmangin a awm thei a ni.
Web-fed printing press tan chuan color tin print a nih hnuah leh coating eng pawh apply a nih hnuah, web chu finished roll-ah ‘rewound’ a ni.
Tunah chuan printing process-ah kan focus thei a, chu chuan link pawimawh ber pakhat - color registration 1 - 1-a printing quality a nghawng nghal thei a ni.
Tunah chuan gravure printing machine tam zawk chuan pattern registration atan automatic color registration system an hmang dawn a, hei hian registration efficiency leh printing quality nasa takin a ti tha hle.
Web Gravure Printing Machine-ah chuan automatic overprinting device dah a ni a. He device hi scanning head, pulse generator, electronic controller, adjusting motor, overprint adjusting roller leh a dangte a ni.
Scanning head kal tlanga printed sheet-a overprint mark chu electronic controller-ah a thawn ang a, chu chu mark rawng hmasa ber emaw, a hnua a rawng hmasa ber hnua overprint mark dik lo pahnihna a nih chuan, pulse hun lai a lo awm dan chu a inang lo ang a, chuvangin, motor-a colour hmasa ber leh a pahnihna chuan roller-te inkara thil tihsual (regulate) te chu a ti tlem a, chu chuan a ti leh a, a rilru a hah lutuk a ni.
Chu bakah, a hnuaia thilte pawh a awm a, chu chuan printing quality leh efficiency a nghawng thei a, mahse, solutions dik tak kan nei ang .
a) T he ink hi a rawng a inang lo .
Printed materials-a periodic ink color inthlak danglamna phenomenon. Thil tih dan tur hrang hrangte chu: printing plate cylinder roundness siamthat, squeegee angle leh pressure siam that emaw, squeegee chu a thara thlak emaw a ni.
b) Fuzzy leh Linty Print te .
Printed image level leh level, paste, image kil khata burrs phenomenon. Elimination methods te chu: substrate chunglam atanga static electricity lakchhuah te, ink-a polar solvent dah te, printing pressure tihpun te, leh squeegee awmna tur te leh a dangte.
c) Blocked version .
Printing plate mesh-a ink drying emaw, printing plate mesh hole-ah chuan paper sam, paper powder phenomenon, blocking an tih chu a khat a ni. Elimination methods chu: Ink chhunga solvent awm zat tihpun, ink drying speed tihtlem, surface strength paper printing sang tak hman.
d) Ink a luang chhuak .
Print-a field part-a spot lo langte phenomenon chu. Elimination hman dan tur chu: hard ink blending oil dah belh, ink viscosity tihchangtlun. Squeegee angle siam la, printing speed tihsan la, deep-cavity printing plate chu shallow-cavity printing plate hmangin thlak leh rawh.
e) Scratch .
Print-ah hian squeegee hnuhma a awm a. Elimination methods chu: Printing-a thil dang mix lovin ink thianghlim hmang rawh. Ink-a viscosity, dryness leh adhesion te chu siamrem rawh. Squeegee quality sang tak hmang la, squeegee leh printing plate inkar angle siam la.
Oyang-a design engineer-te chuan printing process-a harsatna hrang hrang awmin, machine structure chu an zirchiang a, an optimize a, Sereis els Rotog Ravure Printing Machine chu an design a ni.a hmangtute leh industry-te pain point chinfel dan thlirna aṭangin chawimawina
Rotogravure process thatna leh hman dan tur .
He process hian ink transfer chhunzawm zel theihna a pe a, density hrang hrangah, leh speed sang takah a awm a, chu chuan image quality sang tak, publishing, packaging, label, security print, leh decorative printing mamawh application atan a tha hle.
Printing cylinder hmante chu a chhe thei lo (Durable nature) Gravure printing hian run rei tak tak emaw, repeating repeating runs-a quality sang tak print theihna tur process tha tak a siam a, process dang aiin cost advantage a pe chhuak a ni.
Oyang thiamna leh hriatna .
Thil thar siamtu hlauhawm tak, a client-te tana hlutna siam, Oyang Rotogravure Press Making atanga thil siam, kum thum chhung chauh Oyang rotogravure press chuan China ramah hmingthanna tha leh hming tha tak a din a, khawvel hmun hrang hrangah ram leh bial tam tak a awm a, chutah chuan customer factory-te chuan kan Honor Series electronic shaft rotogravure printing press an nei a, an tlan chak hle a ni.
Thil thar siamtu ngaihnawm tak, Oyang hian Web-film Gravure Printing-ah hian a nen flexible packaging ang chi hmun harsa tak takah standard thar a siam a ni Honor® series rotogravure press-te . High-end laminated flexible packaging-a print result ropui tak tak neih theihna chuan gravure printing process atan harsatna thar a siam a, mahse technology lama hmasawnna, hman awlsamna, turnaround time chak leh Oyang press-a hmanral tihtlem a nih avangin China leh khawvel hmun hrang hranga customer-te tana duhthlanna ṭha ber pawl a ni.
