{"id":28952,"date":"2026-03-18T10:01:47","date_gmt":"2026-03-18T02:01:47","guid":{"rendered":"https:\/\/www.ketegroup.com\/?p=28952"},"modified":"2026-03-18T10:01:49","modified_gmt":"2026-03-18T02:01:49","slug":"halftone-printing","status":"publish","type":"post","link":"https:\/\/www.ketegroup.com\/vn\/in-ban-sac\/","title":{"rendered":"In b\u00e1n s\u1eafc l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n d\u00e0nh cho ng\u00e0nh \u0111\u00f3ng g\u00f3i chuy\u00ean nghi\u1ec7p"},"content":{"rendered":"

Trong n\u1ec1n kinh t\u1ebf truy\u1ec1n th\u00f4ng th\u1ecb gi\u00e1c hi\u1ec7n \u0111\u1ea1i, bao b\u00ec in \u1ea5n l\u00e0 \u0111i\u1ec3m ti\u1ebfp x\u00fac ch\u00ednh gi\u1eefa b\u1ea3n s\u1eafc th\u01b0\u01a1ng hi\u1ec7u v\u00e0 nh\u1eadn th\u1ee9c c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng. Tuy nhi\u00ean, vi\u1ec7c t\u00e1i t\u1ea1o h\u00ecnh \u1ea3nh ch\u1ee5p \u1ea3nh v\u1edbi \u0111\u1ed9 trung th\u1ef1c cao th\u00f4ng qua in m\u00e0u tr\u00ean c\u00e1c ch\u1ea5t li\u1ec7u c\u00f4ng nghi\u1ec7p \u2013 t\u1eeb b\u00eca carton s\u00f3ng \u0111\u1ebfn c\u00e1c lo\u1ea1i m\u00e0ng polymer ti\u00ean ti\u1ebfn \u2013 \u0111\u1eb7t ra m\u1ed9t th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n. C\u00e1c m\u00e1y in c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng in flexo v\u00e0 in \u1ed1ng \u0111\u1ed3ng, v\u1ec1 b\u1ea3n ch\u1ea5t l\u00e0 nh\u1ecb ph\u00e2n; ch\u00fang ho\u1eb7c l\u00e0 in m\u1ed9t lo\u1ea1i m\u1ef1c nh\u1ea5t \u0111\u1ecbnh ho\u1eb7c l\u00e0 kh\u00f4ng in. Ch\u00fang kh\u00f4ng th\u1ec3 t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u0111\u1eadm nh\u1ea1t c\u1ee7a m\u1ed9t lo\u1ea1i m\u1ef1c \u0111\u01a1n s\u1eafc \u0111\u1ec3 t\u1ea1o ra \u0111\u1ed9 chuy\u1ec3n m\u00e0u. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi m\u1ed9t l\u1edbp trung gian ti\u00ean ti\u1ebfn: in b\u00e1n s\u1eafc.<\/p>\n\n\n\n

C\u1ea9m nang n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 c\u01a1 h\u1ecdc, quang h\u1ecdc v\u00e0 h\u1ec7 th\u1ed1ng c\u1ee7a k\u1ef9 thu\u1eadt in b\u00e1n s\u1eafc quan tr\u1ecdng n\u00e0y, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p m\u1ed9t khung tham chi\u1ebfu to\u00e0n di\u1ec7n cho c\u00e1c chuy\u00ean gia trong ng\u00e0nh in nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a n\u0103ng su\u1ea5t s\u1ea3n xu\u1ea5t. Trong l\u0129nh v\u1ef1c in th\u01b0\u01a1ng m\u1ea1i, vi\u1ec7c n\u1eafm v\u1eefng c\u00e1ch th\u1ee9c \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 in \u0111\u1ed3ng \u0111\u1ec1u v\u00e0 c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng.<\/p>\n\n\n

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\"in<\/figure><\/div>\n\n\n

In b\u00e1n s\u1eafc l\u00e0 g\u00ec?<\/h2>\n\n\n\n

V\u1ec1 b\u1ea3n ch\u1ea5t, k\u1ef9 thu\u1eadt in b\u00e1n s\u1eafc l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p in sao ch\u00e9p nh\u1eb1m t\u00e1i t\u1ea1o h\u00ecnh \u1ea3nh k\u1ef9 thu\u1eadt s\u1ed1 c\u00f3 t\u00f4ng m\u00e0u li\u00ean t\u1ee5c th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5m, v\u1edbi k\u00edch th\u01b0\u1edbc ho\u1eb7c kho\u1ea3ng c\u00e1ch kh\u00e1c nhau, t\u1eeb \u0111\u00f3 t\u1ea1o ra hi\u1ec7u \u1ee9ng chuy\u1ec3n m\u00e0u v\u00e0 th\u1ec3 hi\u1ec7n \u0111\u01b0\u1ee3c nh\u1eefng chi ti\u1ebft ph\u1ee9c t\u1ea1p. \u0110\u1ed1i v\u1edbi nh\u1eefng ng\u01b0\u1eddi kh\u00f4ng am hi\u1ec3u, m\u1ed9t h\u00ecnh \u1ea3nh in tr\u00ean t\u00fai m\u1ec1m l\u00e0 m\u1ed9t d\u00f2ng ch\u1ea3y m\u01b0\u1ee3t m\u00e0 c\u1ee7a m\u00e0u s\u1eafc v\u00e0 b\u00f3ng t\u1ed1i. \u0110\u1ed1i v\u1edbi c\u00e1c chuy\u00ean gia, c\u00f9ng m\u1ed9t h\u00ecnh \u1ea3nh \u0111\u00f3 l\u1ea1i l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n k\u1ef9 l\u01b0\u1ee1ng g\u1ed3m h\u00e0ng ngh\u00ecn \u0111\u01a1n v\u1ecb h\u00ecnh h\u1ecdc ri\u00eang bi\u1ec7t. Ch\u1ea5m halftone l\u00e0 \u0111\u01a1n v\u1ecb c\u01a1 b\u1ea3n c\u1ee7a ng\u00f4n ng\u1eef th\u1ecb gi\u00e1c tr\u00ean bao b\u00ec, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u \u00e1nh s\u00e1ng ph\u1ee9c t\u1ea1p th\u00e0nh m\u1ed9t ng\u00f4n ng\u1eef c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c thi b\u1edfi c\u00e1c m\u00e1y in c\u01a1 kh\u00ed.<\/p>\n\n\n\n

L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a k\u1ef9 thu\u1eadt in b\u00e1n s\u1eafc l\u00e0 l\u1eddi gi\u1ea3i \u0111\u00e1p cho s\u1ef1 \u201ct\u1ea5t c\u1ea3 ho\u1eb7c kh\u00f4ng g\u00ec c\u1ea3\u201d c\u1ee7a in typography v\u00e0 in th\u1ea1ch b\u1ea3n. Trong l\u0129nh v\u1ef1c \u0111\u00f3ng g\u00f3i chuy\u00ean nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, k\u1ef9 thu\u1eadt in n\u1eeda t\u00f4ng cho ph\u00e9p t\u00e1i t\u1ea1o c\u00e1c l\u1edbp ch\u1ed3ng m\u00e0u CMYK (Cyan, Magenta, Yellow v\u00e0 Black), m\u00e0 \u1edf kho\u1ea3ng c\u00e1ch quan s\u00e1t b\u00ecnh th\u01b0\u1eddng, m\u1eaft ng\u01b0\u1eddi s\u1ebd k\u1ebft h\u1ee3p ch\u00fang th\u00e0nh m\u1ed9t b\u1ea3ng m\u00e0u ho\u00e0n ch\u1ec9nh. \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9 m\u00e0 c\u00f2n l\u00e0 m\u1ed9t y\u00eau c\u1ea7u to\u00e1n h\u1ecdc nghi\u00eam ng\u1eb7t \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ed1c \u0111\u1ed9 cao n\u00e0o m\u00e0 m\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00e2n th\u1ef1c nh\u01b0 \u1ea3nh.<\/p>\n\n\n\n

Khoa h\u1ecdc v\u1ec1 c\u00e1c ch\u1ea5m: C\u00e1ch th\u1ee9c t\u1ea1o ra c\u00e1c s\u1eafc th\u00e1i li\u00ean t\u1ee5c th\u00f4ng qua k\u1ef9 thu\u1eadt in n\u1eeda t\u00f4ng<\/h2>\n\n\n\n

Hi\u1ec7u qu\u1ea3 c\u1ee7a k\u1ef9 thu\u1eadt in b\u00e1n s\u1eafc ph\u1ee5 thu\u1ed9c v\u00e0o nh\u1eefng gi\u1edbi h\u1ea1n sinh l\u00fd c\u1ee7a h\u1ec7 th\u1ed1ng th\u1ecb gi\u00e1c con ng\u01b0\u1eddi, c\u1ee5 th\u1ec3 l\u00e0 hi\u1ec7u \u1ee9ng t\u00edch h\u1ee3p kh\u00f4ng gian. Khi c\u00e1c \u0111i\u1ec3m m\u00e0u ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c \u0111\u1eb7t qu\u00e1 g\u1ea7n nhau, v\u1ecf n\u00e3o th\u1ecb gi\u00e1c s\u01a1 c\u1ea5p kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c c\u00e1c ch\u1ea5m ri\u00eang l\u1ebb m\u00e0 thay v\u00e0o \u0111\u00f3 nh\u1eadn th\u1ee9c \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1 trung b\u00ecnh nh\u01b0 m\u1ed9t t\u00f4ng m\u00e0u \u0111\u1ed3ng nh\u1ea5t. Ch\u00ednh \u1ea3o gi\u00e1c quang h\u1ecdc n\u00e0y l\u00e0 \u0111\u1ed9ng l\u1ef1c th\u00fac \u0111\u1ea9y ng\u00e0nh c\u00f4ng nghi\u1ec7p bao b\u00ec tr\u1ecb gi\u00e1 h\u00e0ng t\u1ef7 \u0111\u00f4 la.<\/p>\n\n\n\n

K\u1ef9 thu\u1eadt in l\u01b0\u1edbi l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt \u0111\u00f2i h\u1ecfi s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 \u0111\u1ed9 s\u00e2u t\u00f4ng m\u00e0u. Khi c\u00e1c ch\u1ea5m qu\u00e1 l\u1edbn, h\u00ecnh \u1ea3nh s\u1ebd tr\u00f4ng b\u1ecb v\u1ee1 h\u1ea1t ho\u1eb7c th\u00f4 r\u00e1p; khi c\u00e1c ch\u1ea5m qu\u00e1 nh\u1ecf, ch\u1eb3ng h\u1ea1n nh\u01b0 trong tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ch\u1ea5m nh\u1ecf, c\u00e1c h\u1ea1n ch\u1ebf v\u1eadt l\u00fd c\u1ee7a b\u1ea3n in v\u00e0 s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt li\u1ec7u in c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c ch\u1ea5m bi\u1ebfn m\u1ea5t ho\u1eb7c b\u1ecb m\u1edd, d\u1eabn \u0111\u1ebfn vi\u1ec7c m\u1ea5t chi ti\u1ebft \u1edf c\u00e1c v\u00f9ng s\u00e1ng ho\u1eb7c v\u00f9ng t\u1ed1i.<\/p>\n\n\n\n

So s\u00e1nh s\u00e0ng l\u1ecdc AM v\u00e0 FM: L\u1ef1a ch\u1ecdn l\u01b0\u1edbi ph\u00f9 h\u1ee3p<\/h3>\n\n\n\n

Trong l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p, c\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 t\u1ea1o l\u01b0\u1edbi b\u00e1n s\u1eafc: \u0110i\u1ec1u ch\u1ebf bi\u00ean \u0111\u1ed9 (AM) v\u00e0 \u0110i\u1ec1u ch\u1ebf t\u1ea7n s\u1ed1 (FM).<\/p>\n\n\n\n

S\u00e0ng l\u1ecdc AM (Ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng): <\/strong>\u0110\u00e2y l\u00e0 k\u1ef9 thu\u1eadt ph\u1ed5 bi\u1ebfn nh\u1ea5t trong in flexo v\u00e0 in \u1ed1ng \u0111\u1ed3ng. C\u00e1c ch\u1ea5m trong k\u1ef9 thu\u1eadt raster AM \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed tr\u00ean m\u1ed9t l\u01b0\u1edbi c\u1ed1 \u0111\u1ecbnh. K\u00edch th\u01b0\u1edbc (\u0111\u1ed9 l\u1edbn) c\u1ee7a c\u00e1c ch\u1ea5m t\u0103ng l\u00ean \u0111\u1ec3 t\u1ea1o ra t\u00f4ng m\u00e0u \u0111\u1eadm h\u01a1n v\u00e0 thu nh\u1ecf l\u1ea1i \u0111\u1ec3 t\u1ea1o ra t\u00f4ng m\u00e0u nh\u1ea1t h\u01a1n. C\u00e1c t\u00e2m c\u1ee7a c\u00e1c ch\u1ea5m c\u00e1ch \u0111\u1ec1u nhau. K\u1ef9 thu\u1eadt raster AM \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1edd t\u00ednh d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n d\u1ec5 d\u00e0ng tr\u00ean c\u00e1c m\u00e1y in t\u1ed1c \u0111\u1ed9 cao, nh\u01b0ng n\u00f3 d\u1ec5 xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng moir\u00e9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n

FM<\/strong> L\u1ecdc (Ng\u1eabu nhi\u00ean): <\/strong>K\u1ef9 thu\u1eadt in FM s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5m c\u00f3 k\u00edch th\u01b0\u1edbc vi m\u00f4 v\u00e0 \u0111\u1ed3ng \u0111\u1ec1u. S\u1ef1 bi\u1ebfn \u0111\u1ed5i v\u1ec1 s\u1eafc th\u00e1i \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i s\u1ed1 l\u01b0\u1ee3ng ch\u1ea5m trong m\u1ed9t khu v\u1ef1c c\u1ee5 th\u1ec3 (t\u1ea7n s\u1ed1). Do c\u00e1c ch\u1ea5m \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ng\u1eabu nhi\u00ean ho\u1eb7c b\u00e1n ng\u1eabu nhi\u00ean, k\u1ef9 thu\u1eadt in FM tr\u00e1nh \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng moir\u00e9 v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 chi ti\u1ebft g\u1ea7n nh\u01b0 \u1ea3nh ch\u1ee5p. Tuy nhi\u00ean, k\u1ef9 thu\u1eadt in FM \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao trong qu\u00e1 tr\u00ecnh chuy\u1ec3n m\u1ef1c v\u00e0 l\u1eafp b\u1ea3n in, v\u00ec c\u00e1c ch\u1ea5m si\u00eau nh\u1ecf n\u00e0y r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 thay \u0111\u1ed5i \u00e1p l\u1ef1c.<\/p>\n\n\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a LPI (s\u1ed1 \u0111\u01b0\u1eddng k\u1ebb tr\u00ean inch) trong chi ti\u1ebft bao b\u00ec<\/h3>\n\n\n\n

H\u00ecnh \u1ea3nh b\u00e1n s\u1eafc \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng \u0111\u01a1n v\u1ecb \u0110\u01b0\u1eddng\/inch (LPI), hay c\u00f2n g\u1ecdi l\u00e0 m\u1eadt \u0111\u1ed9 l\u01b0\u1edbi. \u0110\u00e2y l\u00e0 s\u1ed1 l\u01b0\u1ee3ng \u0111\u01b0\u1eddng ho\u1eb7c s\u1ed1 l\u01b0\u1ee3ng h\u00e0ng ch\u1ea5m \u0111\u01b0\u1ee3c x\u1ebfp v\u00e0o m\u1ed7i inch b\u1ec1 m\u1eb7t in. Th\u00f4ng s\u1ed1 n\u00e0y quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u1ea7u ra v\u00e0 th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn v\u1edbi dpi (ch\u1ea5m\/inch) trong in k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n\n\n\n

Th\u1ea5p <\/strong>LPI<\/strong> (6585): <\/strong>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho c\u00e1c h\u1ed9p carton s\u00f3ng ho\u1eb7c c\u00e1c ch\u1ea5t n\u1ec1n c\u00f3 \u0111\u1ed9 th\u1ea5m h\u00fat cao, n\u01a1i c\u00e1c chi ti\u1ebft nh\u1ecf c\u00f3 th\u1ec3 b\u1ecb m\u1ea5t do m\u1ef1c b\u1ecb loang ra.<\/p>\n\n\n\n

Trung b\u00ecnh <\/strong>LPI<\/strong> (100-133): <\/strong>Ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng cho h\u1ea7u h\u1ebft c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng v\u00e0 bao b\u00ec l\u00e0m t\u1eeb gi\u1ea5y.<\/p>\n\n\n\n

Cao <\/strong>LPI<\/strong> (150-200+): <\/strong>S\u1ea3n ph\u1ea9m n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c lo\u1ea1i bao b\u00ec d\u1ebbo cao c\u1ea5p, nh\u00e3n m\u00e1c v\u00e0 h\u1ed9p \u0111\u1ef1ng m\u1ef9 ph\u1ea9m.<\/p>\n\n\n\n

Vi\u1ec7c \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt LPI gi\u00fap h\u00ecnh \u1ea3nh m\u1ecbn m\u00e0ng h\u01a1n nh\u01b0ng l\u1ea1i g\u00e2y ra t\u1ea3i tr\u1ecdng l\u1edbn cho m\u00e1y in. Qu\u00e1 tr\u00ecnh in \u0111\u00f2i h\u1ecfi m\u00f4i tr\u01b0\u1eddng m\u00e1y in ph\u1ea3i c\u1ef1c k\u1ef3 \u1ed5n \u0111\u1ecbnh, b\u1edfi v\u00ec ch\u1ec9 c\u1ea7n m\u1ed9t micron rung \u0111\u1ed9ng c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c ch\u1ea5m in n\u1eb1m s\u00e1t nhau b\u1ecb ch\u1ed3ng ch\u00e9o l\u00ean nhau v\u00e0 l\u00e0m m\u1ea5t \u0111i \u0111\u1ed9 s\u1eafc n\u00e9t c\u1ee7a thi\u1ebft k\u1ebf.<\/p>\n\n\n\n

C\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cho vi\u1ec7c t\u00e1i t\u1ea1o h\u00ecnh \u1ea3nh n\u1eeda t\u00f4ng \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao<\/h2>\n\n\n\n

Vi\u1ec7c t\u1ea1o ra h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc \u0111\u1ed9 n\u00e9t cao kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t quy tr\u00ecnh \u201cc\u00e0i \u0111\u1eb7t m\u1ed9t l\u1ea7n r\u1ed3i b\u1ecf m\u1eb7c\u201d. \u0110\u00e2y l\u00e0 m\u1ed9t b\u00e0i to\u00e1n t\u1ed1i \u01b0u h\u00f3a li\u00ean quan \u0111\u1ebfn nhi\u1ec1u y\u1ebfu t\u1ed1 v\u1eadt l\u00fd. M\u1ee5c ti\u00eau c\u1ee7a vi\u1ec7c thi\u1ebft l\u1eadp \u0111\u00f3ng g\u00f3i chuy\u00ean nghi\u1ec7p l\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ch\u1ea5m in v\u1eabn \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean v\u1eb9n t\u1eeb t\u1ec7p tin k\u1ef9 thu\u1eadt s\u1ed1 qua qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o b\u1ea3n in v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 tr\u00ean ch\u1ea5t li\u1ec7u in.<\/p>\n\n\n\n

Ki\u1ec3m so\u00e1t hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng \u0111i\u1ec3m \u0111\u1ec3 c\u00f3 h\u00ecnh \u1ea3nh s\u1eafc n\u00e9t<\/h3>\n\n\n\n

Hi\u1ec7n t\u01b0\u1ee3ng m\u1edf r\u1ed9ng ch\u1ea5m (Dot Gain) l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 kh\u00f3 gi\u1ea3i quy\u1ebft nh\u1ea5t trong ng\u00e0nh in c\u00f4ng nghi\u1ec7p. Khi t\u1ea5m in chuy\u1ec3n m\u1ef1c l\u00ean v\u1eadt li\u1ec7u in, l\u1ef1c t\u00e1c \u0111\u1ed9ng v\u1eadt l\u00fd khi\u1ebfn m\u1ef1c b\u1ecb lan r\u1ed9ng, d\u1eabn \u0111\u1ebfn ch\u1ea5m m\u1ef1c tr\u00ean s\u1ea3n ph\u1ea9m th\u00e0nh ph\u1ea9m c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n so v\u1edbi c\u00e1c ch\u1ea5m m\u1ef1c tr\u00ean t\u1ea5m in.<\/p>\n\n\n\n

\u0110\u1ed9 gi\u00e3n ch\u1ea5m ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1: \u0111\u1ed9 nh\u1edbt c\u1ee7a m\u1ef1c, \u0111\u1ed9 x\u1ed1p c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 quan tr\u1ecdng nh\u1ea5t l\u00e0 \u00e1p l\u1ef1c k\u1eb9p gi\u1eefa tr\u1ee5c b\u1ea3n in v\u00e0 tr\u1ee5c \u00e9p. N\u1ebfu kh\u00f4ng t\u00ednh to\u00e1n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 gi\u00e3n ch\u1ea5m \u1edf giai \u0111o\u1ea1n ti\u1ec1n in, c\u00e1c t\u00f4ng m\u00e0u trung b\u00ecnh c\u1ee7a h\u00ecnh \u1ea3nh s\u1ebd qu\u00e1 t\u1ed1i, c\u00f2n c\u00e1c v\u00f9ng b\u00f3ng s\u1ebd b\u1ecb b\u00edt k\u00edn, l\u00e0m m\u1ea5t h\u1ebft \u0111\u1ed9 s\u1eafc n\u00e9t. \u0110\u1ec3 ki\u1ec3m so\u00e1t bi\u1ebfn s\u1ed1 n\u00e0y, c\u1ea7n ph\u1ea3i c\u00f3 m\u1ed9t m\u00e1y in c\u00f3 kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c ch\u1ea5m v\u00e0 \u00e1p l\u1ef1c c\u1ee7a n\u00f3 \u1edf m\u1ee9c micromet \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u1ef1c \u00e9p c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c th\u1ea5p nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n\n\n\n

Tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng moir\u00e9 nh\u1edd g\u00f3c nghi\u00eang m\u00e0n h\u00ecnh ch\u00ednh x\u00e1c<\/h3>\n\n\n\n

C\u00e1c v\u1ebft in c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u00e1c hoa v\u0103n moir\u00e9. Nh\u1eefng hoa v\u0103n giao thoa kh\u00f4ng mong mu\u1ed1n n\u00e0y xu\u1ea5t hi\u1ec7n khi hai ho\u1eb7c nhi\u1ec1u l\u01b0\u1edbi b\u00e1n s\u1eafc \u0111\u01b0\u1ee3c ch\u1ed3ng l\u00ean nhau \u1edf c\u00e1c g\u00f3c kh\u00f4ng t\u01b0\u01a1ng th\u00edch. M\u1ed7i m\u00e0u trong quy tr\u00ecnh CMYK ti\u00eau chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c xoay theo m\u1ed9t g\u00f3c c\u1ee5 th\u1ec3, th\u01b0\u1eddng l\u00e0 15, 45, 75 v\u00e0 90 \u0111\u1ed9, \u0111\u1ec3 c\u00e1c ch\u1ea5m t\u1ea1o th\u00e0nh hoa v\u0103n h\u00ecnh hoa h\u1ed3ng thay v\u00ec m\u1ed9t l\u01b0\u1edbi h\u00ecnh h\u1ecdc g\u00e2y m\u1ea5t t\u1eadp trung.<\/p>\n\n\n\n

Trong in flexo, v\u1ea5n \u0111\u1ec1 c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n do s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a tr\u1ee5c Anilox, v\u1ed1n c\u0169ng c\u00f3 c\u1ea5u tr\u00fac \u00f4 v\u1edbi g\u00f3c nghi\u00eang ri\u00eang. Khi g\u00f3c c\u1ee7a l\u01b0\u1edbi b\u00e1n s\u1eafc tr\u00ean b\u1ea3n in xung \u0111\u1ed9t v\u1edbi g\u00f3c c\u1ee7a tr\u1ee5c Anilox, hi\u1ec7n t\u01b0\u1ee3ng moire c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n tr\u00ean to\u00e0n b\u1ed9 cu\u1ed9n gi\u1ea5y, \u0111\u1eb7c bi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng b\u1ea3n in b\u00e1n s\u1eafc. \u0110i\u1ec1u n\u00e0y ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1eb1ng c\u00e1ch c\u00f3 ki\u1ebfn th\u1ee9c s\u00e2u s\u1eafc v\u1ec1 s\u1ef1 t\u01b0\u01a1ng t\u00e1c h\u00ecnh h\u1ecdc gi\u1eefa ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y v\u00e0 qu\u00e1 tr\u00ecnh t\u1ea1o l\u01b0\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 tr\u00ean b\u1ea3n in.<\/p>\n\n\n

\n
\"in<\/figure><\/div>\n\n\n

S\u1ef1 ch\u00ednh x\u00e1c trong ch\u1ea9n \u0111o\u00e1n: X\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c l\u1ed7i trong h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc<\/h2>\n\n\n\n

N\u1ed7 l\u1ef1c \u0111\u1ea1t \u0111\u01b0\u1ee3c s\u1ef1 ho\u00e0n h\u1ea3o trong in b\u00e1n s\u1eafc th\u01b0\u1eddng b\u1ecb c\u1ea3n tr\u1edf b\u1edfi c\u00e1c sai l\u1ec7ch v\u1eadt l\u00fd ph\u00e1t sinh trong qu\u00e1 tr\u00ecnh truy\u1ec1n m\u1ef1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u1ed1 g\u1eafng t\u00e1i t\u1ea1o c\u00e1c s\u1eafc th\u00e1i m\u00e0u kh\u00e1c nhau. Kh\u1ea3 n\u0103ng ch\u1ea9n \u0111o\u00e1n c\u00e1c khuy\u1ebft t\u1eadt n\u00e0y trong th\u1eddi gian ng\u1eafn l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t trong m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p t\u1ed1c \u0111\u1ed9 cao nh\u1eb1m gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed nguy\u00ean li\u1ec7u. Hi\u1ec7n t\u01b0\u1ee3ng nh\u00f2e l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t, trong \u0111\u00f3 c\u00e1c ch\u1ea5m b\u00e1n s\u1eafc kh\u00f4ng ph\u1ea3i l\u00e0 h\u00ecnh tr\u00f2n m\u00e0 b\u1ecb k\u00e9o d\u00e0i. \u0110\u00e2y h\u1ea7u nh\u01b0 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i k\u1ef9 thu\u1eadt s\u1ed1; \u0111\u00e2y l\u00e0 bi\u1ec3u hi\u1ec7n c\u01a1 h\u1ecdc c\u1ee7a s\u1ef1 ch\u00eanh l\u1ec7ch t\u1ed1c \u0111\u1ed9 gi\u1eefa ch\u1ea5t n\u1ec1n v\u00e0 tr\u1ee5c l\u0103n b\u1ea3n in. Ch\u1ea5m b\u1ecb k\u00e9o tr\u00ean ch\u1ea5t n\u1ec1n khi t\u1ed1c \u0111\u1ed9 b\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 ho\u00e0n h\u1ea3o, v\u00e0 \u0111i\u1ec1u n\u00e0y l\u00e0m h\u1ecfng \u0111\u1ed9 ph\u00e2n gi\u1ea3i h\u00ecnh \u1ea3nh.<\/p>\n\n\n\n

L\u1ed7i c\u00f2n l\u1ea1i l\u00e0 m\u1ed9t l\u1ed7i nghi\u00eam tr\u1ecdng kh\u00e1c, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201cBridging\u201d, trong \u0111\u00f3 m\u1ef1c l\u1ea5p \u0111\u1ea7y c\u00e1c khe h\u1edf gi\u1eefa c\u00e1c ch\u1ea5m ri\u00eang l\u1ebb, t\u1ea1o th\u00e0nh m\u1ed9t kh\u1ed1i m\u00e0u \u0111\u1ed3ng nh\u1ea5t \u1edf v\u1ecb tr\u00ed l\u1ebd ra ph\u1ea3i c\u00f3 hi\u1ec7u \u1ee9ng chuy\u1ec3n m\u00e0u. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng do s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u00e1p l\u1ef1c k\u1eb9p cao v\u00e0 m\u1ef1c in c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p g\u00e2y ra. T\u01b0\u01a1ng t\u1ef1, \u201cHi\u1ec7u \u1ee9ng Halo\u201d ho\u1eb7c v\u00f2ng tr\u00f2n m\u1ef1c t\u1ed1i xung quanh vi\u1ec1n c\u00e1c ch\u1ea5m l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a t\u00ecnh tr\u1ea1ng in qu\u00e1 m\u1ee9c, trong \u0111\u00f3 l\u1ef1c \u00e9p c\u01a1 h\u1ecdc \u0111\u1ea9y m\u1ef1c ra c\u00e1c c\u1ea1nh c\u1ee7a b\u1ea3n in n\u1ed5i. Th\u00f4ng qua m\u00f4 h\u00ecnh ch\u1ea9n \u0111o\u00e1n c\u00f3 h\u1ec7 th\u1ed1ng, ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u00e1y in c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh xem l\u1ed7i n\u1eb1m \u1edf th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc c\u1ee7a m\u1ef1c, vi\u1ec7c l\u1eafp b\u1ea3n in hay hi\u1ec7u chu\u1ea9n c\u01a1 h\u1ecdc.<\/p>\n\n\n\n

L\u1ed7i in b\u00e1n s\u1eafc<\/strong><\/td>Tri\u1ec7u ch\u1ee9ng v\u1ec1 th\u1ecb gi\u00e1c <\/strong>Ch\u1ea5t n\u1ec1n<\/strong><\/td>C\u1ea5p 1<\/strong> Nguy\u00ean nh\u00e2n c\u01a1 kh\u00ed\/k\u1ef9 thu\u1eadt<\/strong><\/td>Bi\u1ec7n ph\u00e1p kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/strong><\/td><\/tr>
N\u00f3i l\u1eafp<\/strong><\/td>C\u00e1c ch\u1ea5m c\u00f3 h\u00ecnh d\u1ea1ng k\u00e9o d\u00e0i ho\u1eb7c h\u00ecnh b\u1ea7u d\u1ee5c<\/td>S\u1ef1 ch\u00eanh l\u1ec7ch t\u1ed1c \u0111\u1ed9 b\u1ec1 m\u1eb7t gi\u1eefa t\u1ea5m v\u00e0 d\u1ea3i<\/td>\u0110i\u1ec1u ch\u1ec9nh \u0111\u1ed3ng b\u1ed9 h\u00f3a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n servo<\/td><\/tr>
Hi\u1ec7u \u1ee9ng h\u00ecnh \u1ea3nh<\/strong>K\u1ebft n\u1ed1i<\/strong><\/td>C\u00e1c ch\u1ea5m h\u1ee3p nh\u1ea5t\/n\u1ed1i li\u1ec1n v\u1edbi nhau \u1edf c\u00e1c v\u00f9ng t\u00f4ng m\u00e0u trung b\u00ecnh<\/td>\u00c1p l\u1ef1c k\u1eb9p qu\u00e1 cao ho\u1eb7c \u0111\u1ed9 nh\u1edbt m\u1ef1c in qu\u00e1 th\u1ea5p<\/td>Gi\u1ea3m \u0111\u1ed9 b\u00e1m d\u00ednh; t\u1ed1i \u01b0u h\u00f3a \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a m\u1ef1c<\/td><\/tr>
Hi\u1ec7u \u1ee9ng Halo<\/strong><\/td>V\u00f2ng tr\u00f2n m\u1ef1c \u0111en bao quanh vi\u1ec1n ch\u1ea5m<\/td>\u00c1p l\u1ef1c qu\u00e1 m\u1ee9c (\u00c1p l\u1ef1c c\u01a1 h\u1ecdc)<\/td>\u0110i\u1ec1u ch\u1ec9nh l\u1ea1i \u00e1p su\u1ea5t v\u1ec1 m\u1ee9c \u201ct\u1ed1i \u01b0u\u201d<\/td><\/tr>
Hi\u1ec7u \u1ee9ng moir\u00e9<\/strong><\/td>C\u00e1c m\u1eabu h\u00ecnh h\u1ecdc\/g\u00e2y nhi\u1ec5u g\u00e2y m\u1ea5t t\u1eadp trung<\/td>G\u00f3c m\u00e0n h\u00ecnh kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c LPI c\u1ee7a Anilox<\/td>T\u00ednh l\u1ea1i c\u00e1c g\u00f3c; ki\u1ec3m tra h\u00ecnh h\u1ecdc c\u1ee7a tr\u1ee5c Anilox<\/td><\/tr>
B\u1ecf r\u01a1i<\/strong><\/td>C\u00e1c h\u00ecnh \u1ea3nh b\u00f3ng m\u1edd \u1edf c\u00e1c v\u00f9ng \u0111\u1eb7c<\/td>M\u1ef1c ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ec1u ho\u1eb7c rung \u0111\u1ed9ng c\u01a1 h\u1ecdc<\/td>Ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a l\u01b0\u1ee1i g\u1ea1t m\u1ef1c v\u00e0 s\u1ed1 \u0111i\u1ec3m tr\u00ean inch (LPI) c\u1ee7a tr\u1ee5c Anilox<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

T\u1ea1i sao t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc l\u1ea1i l\u00e0 ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng m\u00e1y in<\/h2>\n\n\n\n

Trong s\u1ea3n xu\u1ea5t quy m\u00f4 l\u1edbn, m\u1ed9t b\u1ea3n in th\u00e0nh c\u00f4ng l\u00e0 ch\u01b0a \u0111\u1ee7. Gi\u00e1 tr\u1ecb kinh t\u1ebf th\u1ef1c s\u1ef1 n\u1eb1m \u1edf t\u00ednh nh\u1ea5t qu\u00e1n, t\u1ee9c l\u00e0 kh\u1ea3 n\u0103ng duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc \u0111\u1ed3ng \u0111\u1ec1u trong su\u1ed1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t 50.000 m\u00e9t v\u00e0 qua nhi\u1ec1u \u0111\u1ee3t s\u1ea3n xu\u1ea5t trong v\u00e0i th\u00e1ng.<\/p>\n\n\n\n

Th\u1eed nghi\u1ec7m ch\u1ecbu t\u1ea3i cu\u1ed1i c\u00f9ng \u0111\u1ed1i v\u1edbi m\u1ed9t m\u00e1y in l\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc. C\u00e1c ch\u1ea5m b\u00e1n s\u1eafc l\u00e0 y\u1ebfu t\u1ed1 \u0111\u1ea7u ti\u00ean b\u1ed9c l\u1ed9 s\u1ef1 b\u1ea5t \u1ed5n trong h\u1ec7 th\u1ed1ng do k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang r\u1ea5t nh\u1ecf. Khi \u0111\u1ed9 c\u0103ng c\u1ee7a m\u00e1y thay \u0111\u1ed5i, c\u00e1c ch\u1ea5m s\u1ebd d\u1ecbch chuy\u1ec3n v\u00e0 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng l\u1ec7ch m\u00e0u. Khi h\u1ec7 th\u1ed1ng s\u1ea5y kh\u00f4 kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, m\u1ef1c s\u1ebd kh\u00f4ng lan t\u1ecfa \u0111\u1ec1u v\u00e0 \u0111\u1ed9 t\u0103ng ch\u1ea5m s\u1ebd thay \u0111\u1ed5i. Do \u0111\u00f3, khi m\u1ed9t chuy\u00ean gia \u0111\u00f3ng g\u00f3i xem x\u00e9t m\u1ed9t m\u00e1y in, h\u1ecd kh\u00f4ng ch\u1ec9 xem x\u00e9t t\u1ed1c \u0111\u1ed9; h\u1ecd c\u00f2n xem x\u00e9t kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y trong vi\u1ec7c ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m \u1ed5n \u0111\u1ecbnh trong vi\u1ec7c t\u00e1i t\u1ea1o c\u00e1c ch\u1ea5m si\u00eau nh\u1ecf. Y\u1ebfu t\u1ed1 quan tr\u1ecdng g\u1eafn k\u1ebft to\u00e0n b\u1ed9 h\u1ec7 sinh th\u00e1i s\u1ea3n xu\u1ea5t ch\u00ednh l\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n, \u0111\u1ec3 m\u00e0u s\u1eafc c\u1ee7a th\u01b0\u01a1ng hi\u1ec7u tr\u00ean k\u1ec7 h\u00e0ng \u1edf New York gi\u1ed1ng h\u1ec7t m\u00e0u s\u1eafc tr\u00ean k\u1ec7 h\u00e0ng \u1edf Tokyo.<\/p>\n\n\n\n

C\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a s\u1ef1 ho\u00e0n h\u1ea3o: Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111o l\u01b0\u1eddng ti\u00eau chu\u1ea9n<\/h2>\n\n\n\n

S\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb \u0111\u00e1nh gi\u00e1 th\u1ecb gi\u00e1c ch\u1ee7 quan sang \u0111o l\u01b0\u1eddng kh\u00e1ch quan, d\u1ef1a tr\u00ean th\u1ef1c nghi\u1ec7m l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a s\u1ef1 tr\u01b0\u1edfng th\u00e0nh chuy\u00ean nghi\u1ec7p trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t c\u1ee7a s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p. M\u1ed9t x\u01b0\u1edfng in kh\u00f4ng ch\u1ec9 n\u00ean bi\u1ebfn ph\u00f2ng in th\u00e0nh m\u1ed9t d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t, m\u00e0 c\u00f2n ph\u1ea3i bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t ph\u00f2ng th\u00ed nghi\u1ec7m v\u1eadt l\u00fd quang h\u1ecdc \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao. \u201c\u0110i\u1ec3m ho\u00e0n h\u1ea3o\u201d kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t quan \u0111i\u1ec3m ch\u1ee7 quan; \u0111\u00f3 l\u00e0 m\u1ed9t ti\u00eau ch\u00ed c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c, \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh th\u00f4ng qua c\u00e1c ph\u00e9p \u0111o k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

Vai tr\u00f2 c\u1ee7a ph\u00e9p \u0111o m\u1eadt \u0111\u1ed9 v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh Murray-Davies<\/h3>\n\n\n\n

M\u00e1y \u0111o \u0111\u1ed9 \u0111\u1eadm l\u00e0 thi\u1ebft b\u1ecb ch\u00ednh trong b\u1ed9 c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch n\u00e0y. Hai bi\u1ebfn s\u1ed1 quan tr\u1ecdng m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong in b\u00e1n s\u1eafc l\u00e0 \u0110\u1ed9 \u0111\u1eadm m\u1ef1c (SID) v\u00e0 Di\u1ec7n t\u00edch ch\u1ea5m. Bi\u1ebfn s\u1ed1 \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m so\u00e1t \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp m\u1ef1c \u0111\u1ebfn m\u1ee9c mang l\u1ea1i \u0111\u1ed9 b\u00e3o h\u00f2a m\u00e0u mong mu\u1ed1n, c\u00f2n bi\u1ebfn s\u1ed1 th\u1ee9 hai \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o s\u1ef1 ph\u00e1t tri\u1ec3n v\u1eadt l\u00fd c\u1ee7a c\u00e1c ch\u1ea5m n\u1eeda t\u00f4ng. C\u00e1c k\u1ef9 s\u01b0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng tr\u00ecnh Murray-Davies \u0111\u1ec3 t\u00ednh to\u00e1n t\u00ecnh tr\u1ea1ng k\u1ef9 thu\u1eadt c\u1ee7a m\u1ed9t \u0111\u1ee3t in, trong \u0111\u00f3 di\u1ec7n t\u00edch ch\u1ea5m hi\u1ec7u qu\u1ea3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch chia m\u1eadt \u0111\u1ed9 t\u00edch h\u1ee3p c\u1ee7a s\u1eafc th\u00e1i n\u1eeda t\u00f4ng cho m\u1eadt \u0111\u1ed9 m\u1ef1c \u0111\u1eb7c.<\/p>\n\n\n\n

Khi ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u00e1y in ph\u00e1t hi\u1ec7n s\u1ef1 ch\u00eanh l\u1ec7ch v\u1ec1 di\u1ec7n t\u00edch ch\u1ea5m, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u00f4ng m\u00e0u 50% l\u1ea1i hi\u1ec3n th\u1ecb th\u00e0nh 68%, h\u1ecd nh\u1eadn th\u1ea5y s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c trong vi\u1ec7c ki\u1ec3m so\u00e1t \u00e1p su\u1ea5t ho\u1eb7c \u0111\u1ed9 nh\u1edbt c\u1ee7a m\u1ef1c. Nh\u00e0 m\u00e1y c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00f2ng k\u00edn, trong \u0111\u00f3 c\u00e1c \u0111i\u1ec1u ch\u1ec9nh c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean d\u1eef li\u1ec7u ch\u1ee9 kh\u00f4ng ph\u1ea3i theo tr\u1ef1c gi\u00e1c, b\u1eb1ng c\u00e1ch thi\u1ebft l\u1eadp m\u1ee9c c\u01a1 s\u1edf cho ch\u1ec9 s\u1ed1 Target Dot Gain.<\/p>\n\n\n\n

Ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 v\u00e0 Ti\u00eau chu\u1ea9n Delta E<\/h3>\n\n\n\n

Trong khi ph\u01b0\u01a1ng ph\u00e1p \u0111o m\u1eadt \u0111\u1ed9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng \u00e1nh s\u00e1ng ph\u1ea3n x\u1ea1, th\u00ec ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng \u00e1nh s\u00e1ng trong quang ph\u1ed5 nh\u00ecn th\u1ea5y. \u0110\u1ed9 ch\u00ednh x\u00e1c m\u00e0u s\u1eafc trong th\u1ebf gi\u1edbi ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c b\u1ea3n in n\u1eeda t\u00f4ng CMYK v\u00e0 D\u1ea3i m\u00e0u m\u1edf r\u1ed9ng (ECG) \u2014 n\u01a1i m\u00e0u s\u1eafc \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch ch\u1ed3ng m\u00e0u quang h\u1ecdc c\u00e1c ch\u1ea5m trong su\u1ed1t \u2014 \u0111\u01b0\u1ee3c \u0111\u1ecbnh l\u01b0\u1ee3ng b\u1eb1ng ch\u1ec9 s\u1ed1 Delta E. Ch\u1ec9 s\u1ed1 n\u00e0y l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch to\u00e1n h\u1ecdc gi\u1eefa m\u00e0u mong mu\u1ed1n v\u00e0 k\u1ebft qu\u1ea3 in ra trong L*a*b*<\/strong><\/em> kh\u00f4ng gian m\u00e0u. \u0110\u1ed1i v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u to\u00e0n c\u1ea7u, ch\u1ec9 s\u1ed1 Delta E d\u01b0\u1edbi 2,0 th\u01b0\u1eddng l\u00e0 ti\u00eau chu\u1ea9n ch\u1ea5p nh\u1eadn kh\u00f4ng th\u1ec3 th\u1ecfa hi\u1ec7p. M\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c n\u00e0y \u0111\u00f2i h\u1ecfi m\u00e1y in ph\u1ea3i c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh tuy\u1ec7t \u0111\u1ed1i trong vi\u1ec7c c\u0103n ch\u1ec9nh; b\u1ea5t k\u1ef3 s\u1ef1 d\u1ecbch chuy\u1ec3n n\u00e0o c\u1ee7a c\u00e1c ch\u1ea5m b\u00e1n s\u1eafc d\u00f9 ch\u1ec9 m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a milimet c\u0169ng s\u1ebd l\u00e0m thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n quang ph\u1ed5 c\u1ee7a m\u00e0u, d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng \u0111\u1ed9t bi\u1ebfn c\u1ee7a ch\u1ec9 s\u1ed1 Delta E, v\u00e0 l\u00f4 s\u1ea3n ph\u1ea9m s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf.<\/p>\n\n\n\n

Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf: ISO 12647-6 v\u00e0 hi\u1ec7u chu\u1ea9n G7<\/h3>\n\n\n\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0y tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nghi\u00eam ng\u1eb7t nh\u1eb1m thi\u1ebft l\u1eadp m\u1ed9t ng\u00f4n ng\u1eef chung v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng. Ti\u00eau chu\u1ea9n ISO 12647-6 quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi in flexo, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 \u0111\u01b0\u1eddng cong t\u0103ng \u0111i\u1ec3m v\u00e0 d\u1ea3i m\u00e0u m\u1ef1c. T\u01b0\u01a1ng t\u1ef1, ph\u01b0\u01a1ng ph\u00e1p G7 t\u1eadp trung v\u00e0o c\u00e2n b\u1eb1ng x\u00e1m v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a t\u00f4ng m\u00e0u trung b\u00ecnh, \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc s\u1ebd tr\u00f4ng gi\u1ed1ng nhau b\u1ea5t k\u1ec3 ch\u1ea5t li\u1ec7u in hay m\u00e1y in n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00e1c ch\u1ec9 s\u1ed1 ti\u00eau chu\u1ea9n h\u00f3a l\u00e0 c\u01a1 s\u1edf kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i trong x\u01b0\u1edfng in, cung c\u1ea5p m\u1ed9t b\u1ea3n b\u00e1o c\u00e1o minh b\u1ea1ch v\u1ec1 hi\u1ec7u su\u1ea5t, t\u1eeb \u0111\u00f3 t\u1ea1o d\u1ef1ng ni\u1ec1m tin gi\u1eefa nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 ch\u1ee7 s\u1edf h\u1eefu th\u01b0\u01a1ng hi\u1ec7u. Trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a KETE, nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf c\u01a1 kh\u00ed t\u1ed1i thi\u1ec3u c\u1ee7a ch\u00fang t\u00f4i l\u00e0 thi\u1ebft k\u1ebf c\u00e1c m\u00e1y m\u00f3c c\u00f3 th\u1ec3 lu\u00f4n \u0111\u1ea1t v\u00e0 v\u01b0\u1ee3t qua c\u00e1c ti\u00eau chu\u1ea9n ISO n\u00e0y.<\/p>\n\n\n\n

\u0110\u1ea1t \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng in \u1ea5n xu\u1ea5t s\u1eafc c\u00f9ng KETE Precision Engineering<\/h2>\n\n\n\n

V\u1edbi g\u1ea7n 40 n\u0103m kinh nghi\u1ec7m chuy\u00ean s\u00e2u trong l\u0129nh v\u1ef1c in \u1ea5n bao b\u00ec, KETE ho\u1ea1t \u0111\u1ed9ng t\u1ea1i \u0111i\u1ec3m giao thoa then ch\u1ed1t gi\u1eefa l\u00fd thuy\u1ebft in \u1ea5n v\u00e0 t\u00ednh ch\u00ednh x\u00e1c k\u1ef9 thu\u1eadt. Ch\u00fang t\u00f4i nh\u1eadn th\u1ee9c r\u00f5 r\u1eb1ng \u201c\u0110i\u1ec3m in ho\u00e0n h\u1ea3o\u201d l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch c\u00f3 h\u1ec7 th\u1ed1ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 ng\u1eabu nhi\u00ean. C\u00f4ng ngh\u1ec7 in t\u1ed1c \u0111\u1ed9 cao c\u1ee7a ch\u00fang t\u00f4i m\u00e1y in flexo<\/a> s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 truy\u1ec1n \u0111\u1ed9ng servo ti\u00ean ti\u1ebfn t\u1ea1i m\u1ed7i tr\u1ea1m, cho ph\u00e9p \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9c l\u1eadp, v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng micromet \u0111\u1ed1i v\u1edbi tr\u1ee5c t\u1ea5m v\u00e0 tr\u1ee5c anilox. \u0110\u1ed9 ch\u00ednh x\u00e1c n\u00e0y gi\u00fap tri\u1ec7t ti\u00eau hi\u1ec7u qu\u1ea3 c\u00e1c rung \u0111\u1ed9ng c\u01a1 h\u1ecdc g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ch\u1ea5m m\u1edd ho\u1eb7c b\u00f3ng m\u1edd trong c\u00e1c b\u1ea3n in c\u00f3 m\u1eadt \u0111\u1ed9 \u0111i\u1ec3m cao (LPI).<\/p>\n\n\n\n

rotogra\u0110\u1ed1i v\u1edbi c\u00e1c chuy\u00ean gia mong mu\u1ed1n m\u1edf r\u1ed9ng quy m\u00f4 ho\u1ea1t \u0111\u1ed9ng, KETE mang \u0111\u1ebfn m\u1ed9t m\u1ed1i quan h\u1ec7 h\u1ee3p t\u00e1c chi\u1ebfn l\u01b0\u1ee3c thay v\u00ec ch\u1ec9 l\u00e0 m\u1ed9t giao d\u1ecbch \u0111\u01a1n thu\u1ea7n. \u0110\u1ed9i ng\u0169 chuy\u00ean gia c\u1ee7a ch\u00fang t\u00f4i k\u1ebft h\u1ee3p c\u00e1c thi\u1ebft b\u1ecb m\u00e1y m\u00f3c hi\u1ec7n \u0111\u1ea1i \u2014 t\u1eeb c\u00e1c d\u00f2ng s\u1ea3n xu\u1ea5t c\u00f4ng su\u1ea5t l\u1edbn in \u1ed1ng \u0111\u1ed3ng <\/a>t\u1eeb c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng sang c\u00f4ng ngh\u1ec7 in flexo linh ho\u1ea1t, thi\u1ebft l\u1eadp nhanh ch\u00f3ng \u2014 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c ti\u00eau v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3 c\u1ee7a qu\u00fd kh\u00e1ch. V\u1edbi m\u1ea1ng l\u01b0\u1edbi ho\u1ea1t \u0111\u1ed9ng to\u00e0n c\u1ea7u tr\u1ea3i r\u1ed9ng tr\u00ean 80 qu\u1ed1c gia v\u00e0 ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh to\u00e0n di\u1ec7n trong m\u1ed9t n\u0103m, ch\u00fang t\u00f4i \u0111\u1ea3m b\u1ea3o r\u1eb1ng kho\u1ea3n \u0111\u1ea7u t\u01b0 c\u1ee7a qu\u00fd kh\u00e1ch \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean n\u1ec1n t\u1ea3ng \u0111\u00e1ng tin c\u1eady. Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb; ch\u00fang t\u00f4i cung c\u1ea5p n\u1ec1n t\u1ea3ng \u1ed5n \u0111\u1ecbnh c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f4ng ngh\u1ec7 in n\u1eeda t\u00f4ng ph\u00e1t huy hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a m\u00e0 kh\u00f4ng h\u1ec1 th\u1ecfa hi\u1ec7p, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u1ee7a qu\u00fd kh\u00e1ch lu\u00f4n nh\u1ea5t qu\u00e1n t\u1eeb m\u00e9t \u0111\u1ea7u ti\u00ean \u0111\u1ebfn m\u00e9t cu\u1ed1i c\u00f9ng.<\/p>\n\n\n

\n
\"in<\/figure><\/div>\n\n\n

\u0110i\u1ec1u ch\u1ec9nh c\u00e1c chi\u1ebfn l\u01b0\u1ee3c in b\u00e1n s\u1eafc cho c\u00e1c ch\u1ea5t li\u1ec7u bao b\u00ec kh\u00e1c nhau<\/h2>\n\n\n\n

M\u00f4i tr\u01b0\u1eddng xung quanh ch\u1ea5m b\u00e1n s\u1eafc ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh h\u00e0nh vi c\u1ee7a n\u00f3. C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u n\u1ec1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh \u0111\u00f3ng g\u00f3i chuy\u00ean nghi\u1ec7p v\u00f4 c\u00f9ng \u0111a d\u1ea1ng, v\u00e0 m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 n\u0103ng l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ecba h\u00ecnh b\u1ec1 m\u1eb7t kh\u00e1c nhau.<\/p>\n\n\n\n

Gi\u1ea5y v\u00e0 gi\u1ea5y Kraft:<\/strong> \u0110\u00e2y l\u00e0 nh\u1eefng v\u1eadt li\u1ec7u x\u1ed1p v\u00e0 d\u1ec5 th\u1ea5m h\u00fat. Ch\u00fang c\u00f3 xu h\u01b0\u1edbng h\u00fat m\u1ef1c s\u00e2u v\u00e0o b\u00ean trong s\u1ee3i v\u1ea3i, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng k\u00edch th\u01b0\u1edbc ch\u1ea5m in cao. \u0110\u1ec3 kh\u1eafc ph\u1ee5c \u0111i\u1ec1u n\u00e0y, c\u00e1c chuy\u00ean gia th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u1eadt \u0111\u1ed9 ch\u1ea5m in (LPI) th\u1ea5p h\u01a1n (85\u2013110) v\u00e0 h\u00ecnh d\u1ea1ng ch\u1ea5m in s\u1eafc n\u00e9t h\u01a1n nh\u1eb1m duy tr\u00ec \u0111\u1ed9 r\u00f5 n\u00e9t.<\/p>\n\n\n\n

M\u00e0ng BOPP v\u00e0 PE: <\/strong>\u0110\u00e2y l\u00e0 c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng th\u1ea5m n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nh\u00e3n m\u00e1c th\u1ef1c ph\u1ea9m nh\u1eb9 v\u00e0 \u0111\u1ed3 u\u1ed1ng. M\u1ef1c \u0111\u01b0\u1ee3c in l\u00ean b\u1ec1 m\u1eb7t. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, v\u1ea5n \u0111\u1ec1 n\u1eb1m \u1edf \u0111\u1ed9 b\u00e1m d\u00ednh c\u1ee7a m\u1ef1c v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng l\u1ed7 kim. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed9 ph\u00e2n gi\u1ea3i LPI cao (150+), nh\u01b0ng c\u1ea7n ph\u1ea3i c\u00f3 m\u00e1y in c\u00f3 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t \u0111\u1ed9 c\u0103ng t\u1ed1t h\u01a1n \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng m\u00e0ng b\u1ecb k\u00e9o gi\u00e3n v\u00e0 l\u00e0m bi\u1ebfn d\u1ea1ng l\u01b0\u1edbi ch\u1ea5m.<\/p>\n\n\n\n

Gi\u1ea5y b\u1ea1c nh\u00f4m v\u00e0 m\u00e0ng kim lo\u1ea1i h\u00f3a: <\/strong>\u0110\u00e2y l\u00e0 nh\u1eefng b\u1ec1 m\u1eb7t c\u00f3 \u0111\u1ed9 ph\u1ea3n chi\u1ebfu cao, l\u00e0m n\u1ed5i b\u1eadt b\u1ea5t k\u1ef3 khuy\u1ebft \u0111i\u1ec3m n\u00e0o trong h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc. B\u1ea5t k\u1ef3 s\u1ef1 kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t n\u00e0o trong c\u1ea5u tr\u00fac ch\u1ea5m \u0111\u1ec1u s\u1ebd g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng xu\u1ea5t hi\u1ec7n c\u00e1c v\u1ec7t s\u1ecdc.<\/p>\n\n\n\n

Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c t\u01b0\u01a1ng t\u00e1c n\u00e0y gi\u00fap ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u00e1y in l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c th\u1ec3 t\u00edch Anilox v\u00e0 \u0111\u1ed9 c\u1ee9ng b\u1ea3n in ph\u00f9 h\u1ee3p, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u h\u00f3a chi\u1ebfn l\u01b0\u1ee3c in b\u00e1n s\u1eafc cho lo\u1ea1i v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3 \u0111\u00f3.<\/p>\n\n\n\n

Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai: Ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng v\u00e0 h\u00ecnh \u1ea3nh b\u00e1n s\u1eafc \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao<\/h2>\n\n\n
\n
\"In<\/figure><\/div>\n\n\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p bao b\u00ec \u0111ang trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i c\u01a1 c\u1ea5u h\u01b0\u1edbng t\u1edbi s\u1ef1 b\u1ec1n v\u1eefng. Xu h\u01b0\u1edbng n\u00e0y \u0111ang t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u00f4ng ngh\u1ec7 in b\u00e1n s\u1eafc theo hai h\u01b0\u1edbng ch\u00ednh.<\/p>\n\n\n\n

Th\u1ee9 nh\u1ea5t, xu h\u01b0\u1edbng in d\u1ea3i m\u00e0u m\u1edf r\u1ed9ng (EGP) \u0111ang ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n. C\u00e1c nh\u00e0 in c\u00f3 th\u1ec3 t\u00e1i t\u1ea1o 90% m\u00e0u Pantone ch\u1ec9 b\u1eb1ng c\u00e1ch ch\u1ed3ng l\u1edbp b\u00e1n s\u1eafc, th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 7 m\u00e0u ti\u00eau chu\u1ea9n (CMYK + Cam, Xanh l\u00e1, T\u00edm). Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m m\u1ef1c in, lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec7 sinh m\u00e1y in gi\u1eefa c\u00e1c c\u00f4ng vi\u1ec7c v\u00e0 ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u1ea5m b\u00e1n s\u1eafc \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00e0u \u0111\u1eb7c tr\u01b0ng.<\/p>\n\n\n\n

Th\u1ee9 hai, xu h\u01b0\u1edbng chuy\u1ec3n sang s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i m\u00e0ng \u0111\u01a1n ch\u1ea5t li\u1ec7u m\u1ecfng h\u01a1n, c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf v\u00e0 c\u00e1c l\u1edbp ng\u0103n c\u00e1ch l\u00e0m t\u1eeb gi\u1ea5y \u0111\u00f2i h\u1ecfi vi\u1ec7c ki\u1ec3m so\u00e1t \u00e1p l\u1ef1c ph\u1ea3i ch\u00ednh x\u00e1c h\u01a1n n\u1eefa. V\u1eadt li\u1ec7u c\u00e0ng th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng th\u00ec vi\u1ec7c in \u1ea5n tr\u00ean \u0111\u00f3 c\u00e0ng kh\u00f3 kh\u0103n. K\u1ef7 nguy\u00ean m\u1edbi c\u1ee7a Bao b\u00ec Xanh l\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p in n\u1eeda t\u00f4ng \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u00f4ng ngh\u1ec7 s\u1ea5y LED-UV ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 m\u1ef1c in g\u1ed1c n\u01b0\u1edbc. Kh\u1ea3 n\u0103ng t\u1ea1o ra v\u1ebb ngo\u00e0i cao c\u1ea5p b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u00edt m\u1ef1c h\u01a1n v\u00e0 gi\u1ea5y m\u1ecfng h\u01a1n kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t \u0111i\u1ec1u xa x\u1ec9, m\u00e0 l\u00e0 m\u1ed9t y\u00eau c\u1ea7u c\u1ea1nh tranh.<\/p>\n\n\n\n

Ph\u1ea7n k\u1ebft lu\u1eadn<\/h2>\n\n\n\n

Vi\u1ec7c n\u1eafm v\u1eefng ngh\u1ec7 thu\u1eadt in b\u00e1n s\u1eafc, h\u00ecnh h\u1ecdc c\u1ee7a c\u00e1c g\u00f3c l\u01b0\u1edbi v\u00e0 c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng m\u1edf r\u1ed9ng ch\u1ea5m ch\u00ednh l\u00e0 y\u1ebfu t\u1ed1 t\u1ea1o n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t nh\u00e0 cung c\u1ea5p bao b\u00ec th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t to\u00e0n c\u1ea7u. \u0110\u00e2y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e0 s\u1ef1 ch\u00ednh x\u00e1c \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4 s\u1ebd mang l\u1ea1i th\u00e0nh c\u00f4ng r\u1ef1c r\u1ee1 cho th\u01b0\u01a1ng hi\u1ec7u \u1edf c\u1ea5p \u0111\u1ed9 v\u0129 m\u00f4. V\u1edbi ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 bi\u1ebfn \u0111\u1ed5i \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y trong h\u01b0\u1edbng d\u1eabn n\u00e0y c\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, c\u00e1c chuy\u00ean gia trong l\u0129nh v\u1ef1c bao b\u00ec c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng gi\u1edbi h\u1ea1n c\u1ee7a nh\u1eefng g\u00ec c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n tr\u00ean k\u1ec7 h\u00e0ng.<\/p>\n\n\n\n

S\u1ee9 m\u1ec7nh c\u1ee7a KETE l\u00e0 cung c\u1ea5p n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt v\u1eefng ch\u1eafc cho s\u1ef1 xu\u1ea5t s\u1eafc \u0111\u00f3. C\u00f3 th\u1ec3 qu\u00fd v\u1ecb \u0111ang trong qu\u00e1 tr\u00ecnh chuy\u1ec3n sang s\u1eed d\u1ee5ng bao b\u00ec d\u1ebbo c\u00f3 m\u1eadt \u0111\u1ed9 \u0111i\u1ec3m in (LPI) cao, ho\u1eb7c \u0111ang n\u1ed7 l\u1ef1c \u1ed5n \u0111\u1ecbnh quy tr\u00ecnh s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t. Kinh nghi\u1ec7m k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i trong l\u0129nh v\u1ef1c in flexo v\u00e0 in \u1ed1ng \u0111\u1ed3ng lu\u00f4n s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 qu\u00fd v\u1ecb. Ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a t\u1eebng chi ti\u1ebft quy\u1ebft \u0111\u1ecbnh t\u01b0\u01a1ng lai c\u1ee7a ng\u00e0nh bao b\u00ec, v\u00e0 ch\u00ednh nh\u1eefng ch\u1ea5m in nh\u1ecf b\u00e9 \u1ea5y l\u1ea1i quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a t\u1eebng chi ti\u1ebft. Ch\u00fang t\u00f4i mong mu\u1ed1n qu\u00fd v\u1ecb c\u00f9ng ch\u00fang t\u00f4i tr\u00ean h\u00e0nh tr\u00ecnh t\u00ecm ki\u1ebfm b\u1ea3n in ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n

C\u00e2u h\u1ecfi: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra m\u1ed9t b\u1ea3n in b\u00e1n s\u1eafc?<\/strong><\/p>\n\n\n\n

\u0110\u1ec3 t\u1ea1o ra m\u1ed9t b\u1ea3n in b\u00e1n s\u1eafc, b\u1ea1n ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i m\u1ed9t h\u00ecnh \u1ea3nh c\u00f3 t\u00f4ng m\u00e0u li\u00ean t\u1ee5c (nh\u01b0 \u1ea3nh ch\u1ee5p) th\u00e0nh m\u1ed9t m\u1eabu g\u1ed3m c\u00e1c ch\u1ea5m ri\u00eang bi\u1ec7t c\u00f3 k\u00edch th\u01b0\u1edbc ho\u1eb7c kho\u1ea3ng c\u00e1ch kh\u00e1c nhau.<\/p>\n\n\n\n

D\u1ea1ng s\u1ed1:<\/strong> Trong c\u00e1c ph\u1ea7n m\u1ec1m nh\u01b0 Adobe Photoshop, b\u1ea1n c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh sang ch\u1ebf \u0111\u1ed9 \u201cThang x\u00e1m\u201d, sau \u0111\u00f3 sang ch\u1ebf \u0111\u1ed9 \u201cBitmap\u201d, ch\u1ecdn \u201cL\u01b0\u1edbi b\u00e1n s\u1eafc\u201d \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ea7n s\u1ed1 (LPI) v\u00e0 g\u00f3c.<\/p>\n\n\n\n

V\u1ec1 m\u1eb7t th\u1ec3 ch\u1ea5t:<\/strong> M\u1eabu ch\u1ea5m thu \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c chuy\u1ec3n l\u00ean ph\u01b0\u01a1ng ti\u1ec7n in \u2014 ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea5m photopolymer d\u00f9ng trong in flexo, tr\u1ee5c kim lo\u1ea1i d\u00f9ng trong in \u1ed1ng \u0111\u1ed3ng ho\u1eb7c l\u01b0\u1edbi in d\u00f9ng trong in l\u1ee5a \u2014 t\u1eeb \u0111\u00f3 quy\u1ebft \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 l\u01b0\u1ee3ng m\u1ef1c \u0111\u01b0\u1ee3c in l\u00ean v\u1eadt li\u1ec7u in.<\/p>\n\n\n\n

H\u1ecfi: K\u1ef9 thu\u1eadt in n\u1eeda t\u00f4ng c\u00f3 c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh in \u1ea5n hi\u1ec7n \u0111\u1ea1i kh\u00f4ng?<\/strong><\/p>\n\n\n\n

Ch\u1eafc ch\u1eafn r\u1ed3i. \u0110\u00e2y v\u1eabn l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a ng\u00e0nh in th\u01b0\u01a1ng m\u1ea1i to\u00e0n c\u1ea7u. M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 k\u1ef9 thu\u1eadt s\u1ed1 \u0111\u00e3 thay \u0111\u1ed5i c\u00e1ch t\u1ea1o ra c\u00e1c ch\u1ea5m, quy tr\u00ecnh in b\u00e1n s\u1eafc v\u1eabn l\u00e0 y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu trong:<\/p>\n\n\n\n

Bao b\u00ec th\u01b0\u01a1ng m\u1ea1i:<\/strong> M\u00e1y in flexo v\u00e0 m\u00e1y in \u1ed1ng \u0111\u1ed3ng s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt in n\u1eeda t\u00f4ng \u0111\u1ec3 in h\u00ecnh \u1ea3nh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao l\u00ean m\u00e0ng nh\u1ef1a v\u00e0 b\u00eca c\u1ee9ng.<\/p>\n\n\n\n

C\u00e1c \u1ea5n ph\u1ea9m:<\/strong> C\u00e1c t\u1ea1p ch\u00ed v\u00e0 b\u00e1o in s\u1eed d\u1ee5ng c\u00e1c ch\u1ea5m b\u00e1n s\u1eafc CMYK \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh \u0111\u1ea7y \u0111\u1ee7 m\u00e0u s\u1eafc.<\/p>\n\n\n\n

M\u00e1y in k\u1ef9 thu\u1eadt s\u1ed1:<\/strong> M\u00e1y in laser ho\u1eb7c m\u00e1y in phun t\u1ea1i v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a k\u1ef9 thu\u1eadt t\u1ea1o hi\u1ec7u \u1ee9ng n\u1eeda t\u00f4ng (th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 dithering) \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c hi\u1ec7u \u1ee9ng chuy\u1ec3n m\u00e0u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng nh\u1eefng gi\u1ecdt m\u1ef1c c\u1ef1c nh\u1ecf.<\/p>","protected":false},"excerpt":{"rendered":"

The printed package is the main point of contact between the identity of a brand and the perception of the consumer in the modern economy of visual communication. But the replication of high-fidelity, photographic images through color printing on industrial media, such as corrugated cardboard to advanced polymer films, poses a basic technical challenge. Industrial […]<\/p>","protected":false},"author":1,"featured_media":28953,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"67","_seopress_titles_title":"Halftone Printing Explained: Essential Insights for Pros","_seopress_titles_desc":"Curious about halftone printing? Discover what is halftone printing and how it transforms professional packaging in our complete guide.","_seopress_robots_index":"","footnotes":""},"categories":[67],"tags":[],"class_list":["post-28952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/posts\/28952","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/comments?post=28952"}],"version-history":[{"count":2,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/posts\/28952\/revisions"}],"predecessor-version":[{"id":28996,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/posts\/28952\/revisions\/28996"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/media\/28953"}],"wp:attachment":[{"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/media?parent=28952"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/categories?post=28952"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ketegroup.com\/vn\/wp-json\/wp\/v2\/tags?post=28952"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}