<\/span><\/h3>\nHi\u1ec7n nay, trong c\u00f4ng ngh\u1ec7 m\u1ef1c in offset c\u00f3 c\u1ea3 in offset th\u01b0\u1eddng v\u00e0 in offset UV, ngo\u00e0i ra c\u00f2n c\u00f3 c\u1ea3 in offset n\u01b0\u1edbc v\u00e0 in offset kh\u00f4ng d\u00f9ng n\u01b0\u1edbc. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nh\u01b0 v\u0169 b\u00e3o c\u1ee7a c\u00f4ng ngh\u1ec7 in offset, n\u1ebfu kh\u00f4ng t\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 ch\u1ea5t li\u1ec7u m\u1edbi, quy tr\u00ecnh m\u1edbi k\u1ecbp th\u1eddi b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p kh\u00f4ng \u00edt r\u1eafc r\u1ed1i trong qu\u00e1 tr\u00ecnh in \u1ea5n.<\/span><\/p>\n\u0110\u1eb7c \u0111i\u1ec3m s\u1ea3n ph\u1ea9m, s\u1ef1 kh\u00e1c bi\u1ec7t trong c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u chi ti\u1ebft, mong c\u00e1c b\u1ea1n c\u00f9ng tham kh\u1ea3o. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV. M\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 nh\u1ef1a th\u00f4ng.<\/span><\/p>\nD\u1ea7u th\u1ef1c v\u1eadt, b\u1ed9t m\u00e0u, ch\u1ea5t \u0111\u1ed9n, ch\u1ea5t h\u00fat \u1ea9m oxy h\u00f3a, ch\u1ea5t tr\u1ee3\u2026t\u1ea1o n\u00ean s\u1ef1 c\u00e2n b\u1eb1ng c\u1ee7a m\u1ef1c v\u00e0 n\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh l\u00e0m kh\u00f4 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a qu\u00e1 tr\u00ecnh oxy h\u00f3a b\u1ec1 m\u1eb7t k\u1ebft m\u1ea1c, s\u1ef1 x\u00e2m nh\u1eadp c\u1ee7a ch\u1ea5t k\u1ebft d\u00ednh b\u00ean trong l\u1edbp m\u1ef1c v\u00e0 s\u1ef1 bay h\u01a1i c\u1ee7a dung m\u00f4i. Qu\u00e1 tr\u00ecnh l\u00e0m kh\u00f4 kh\u00f4ng nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9.<\/span><\/p>\n\u0110\u1ed3ng th\u1eddi, ngu\u1ed3n chi\u1ebfu s\u00e1ng h\u00e0ng ng\u00e0y \u00edt \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m kh\u00f4 m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng nh\u01b0ng c\u1ea7n tr\u00e1nh ti\u1ebfp x\u00fac l\u00e2u v\u1edbi oxy trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 s\u1eed d\u1ee5ng m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng. M\u1ef1c in offset UV c\u00f3 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu l\u00e0 nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a, prepolymer, photoinitiator.<\/span><\/p>\nQu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn l\u00e0 in gi\u00e1o d\u1ee5c d\u01b0\u1edbi s\u1ef1 chi\u1ebfu x\u1ea1 c\u1ee7a \u00e1nh s\u00e1ng c\u1ef1c t\u00edm. Ch\u1ea5t quang \u0111i\u1ec7n h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 c\u1ee7a \u00e1nh s\u00e1ng c\u1ef1c t\u00edm v\u00e0 sau \u0111\u00f3 ph\u00e2n t\u00e1ch th\u00e0nh c\u00e1c g\u1ed1c t\u1ef1 do, k\u00edch ho\u1ea1t ph\u1ea3n \u1ee9ng tr\u00f9ng h\u1ee3p v\u00e0 li\u00ean k\u1ebft ngang c\u1ee7a ph\u1ea3n \u1ee9ng, \u0111\u00f4ng \u0111\u1eb7c th\u00e0nh ba chi\u1ec1u m\u1ea1ng trong th\u1eddi gian ng\u1eafn v\u1eadt li\u1ec7u \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t m\u00e0ng c\u1ee9ng. <\/span><\/p>\nTrong qu\u00e1 tr\u00ecnh n\u00e0y, c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a tia UV quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 \u0111\u00f3ng r\u1eafn c\u1ee7a m\u1ef1c in offset UV in theo y\u00eau c\u1ea7u, ngo\u00e0i ra nhi\u1ec7t \u0111\u1ed9 c\u0169ng c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc trong m\u1ef1c in offset UV. Do \u0111\u00f3, m\u1ef1c in offset UV c\u1ea7n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 kh\u1ecfi \u00e1nh s\u00e1ng, nhi\u1ec7t \u0111\u1ed9 th\u01b0\u1eddng ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 th\u1ea5p v\u1eadn chuy\u1ec3n, b\u1ea3o qu\u1ea3n v\u00e0 s\u1eed d\u1ee5ng. Sau \u0111\u00e2y s\u1ebd gi\u1edbi thi\u1ec7u m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV trong qu\u00e1 tr\u00ecnh in \u1ea5n.<\/span><\/p>\nIn t\u1edd offset<\/span><\/figcaption><\/figure>\nS\u1ef1 kh\u00e1c nhau gi\u1eefa c\u00e1c lo\u1ea1i m\u00e1y in offset ph\u00f9 h\u1ee3p<\/strong><\/em><\/span><\/p>\nC\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 m\u00e1y \u00e9p offset ti\u00eau chu\u1ea9n. Hi\u1ec7n nay, c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t m\u00e1y in offset th\u00f4ng th\u01b0\u1eddng \u0111\u00e3 kh\u00e1 tr\u01b0\u1edfng th\u00e0nh, v\u00ed d\u1ee5 nh\u01b0 m\u00e1y in offset th\u00f4ng th\u01b0\u1eddng c\u1ee7a c\u00e1c h\u00e3ng n\u1ed5i ti\u1ebfng nh\u01b0 Heidelberg, Manroland, KBA, Komori v\u00e0 Mitsubishi \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i \u1edf Vi\u1ec7t Nam.<\/span><\/p>\nThi\u1ebft b\u1ecb l\u00e0m kh\u00f4 v\u00e0 thi\u1ebft b\u1ecb phun b\u1ed9t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o l\u00e0m kh\u00f4 m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 tr\u00e1nh b\u1ecb nh\u00f2e. C\u00f3 kho\u1ea3ng hai lo\u1ea1i m\u00e1y in offset th\u00edch h\u1ee3p cho m\u1ef1c in offset UV. C\u00e1c ho\u1ea1t \u0111\u1ed9ng:<\/span><\/p>\n\n(1)<\/strong> M\u00e1y in offset UV \u0111\u1eb7c bi\u1ec7t, c\u00f3 ngh\u0129a l\u00e0, v\u1edbi \u0111\u00e8n UV \u0111\u1eb1ng sau m\u1ed7i nh\u00f3m m\u00e0u ho\u1eb7c v\u1edbi \u0111\u00e8n UV c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t v\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00f3ng r\u1eafn b\u1eb1ng tia c\u1ef1c t\u00edm \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t khi giao h\u00e0ng. <\/span><\/li>\n(2)<\/strong> M\u00e1y in offset UV chuy\u1ec3n \u0111\u1ed5i t\u1eeb m\u00e1y in offset th\u00f4ng th\u01b0\u1eddng. Lo\u1ea1i m\u00e1y in offset UV n\u00e0y thay th\u1ebf tr\u1ee5c cao su c\u1ee7a m\u00e1y in offset th\u00f4ng th\u01b0\u1eddng b\u1eb1ng c\u00e1c s\u1ea3n ph\u1ea9m cao su th\u00edch h\u1ee3p cho in offset UV, v\u00e0 th\u01b0\u1eddng b\u1ed5 sung th\u00eam 3 b\u1ed9 \u0111\u00e8n UV trong ph\u1ea7n giao h\u00e0ng<\/span> \nthi\u1ebft b\u1ecb h\u00f3a ch\u1ea5t. Tuy nhi\u00ean, do kh\u00f4ng c\u00f3 \u0111\u00e8n UV gi\u1eefa c\u00e1c nh\u00f3m m\u00e0u c\u1ee7a lo\u1ea1i m\u00e1y in offset n\u00e0y n\u00ean t\u00ecnh tr\u1ea1ng \u0111\u00f3ng r\u1eafn k\u00e9m th\u01b0\u1eddng x\u1ea3y ra khi l\u1edbp m\u1ef1c d\u00e0y, \u0111\u00e8n UV l\u1eafp \u1edf b\u1ed9 ph\u1eadn giao h\u00e0ng s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb tia c\u1ef1c t\u00edm r\u00f2 r\u1ec9 ra ngo\u00e0i.<\/span><\/li>\n<\/ul>\n Do \u0111\u00f3, c\u00e1c c\u00f4ng ty s\u1eed d\u1ee5ng m\u00e1y \u00e9p offset UV nh\u01b0 v\u1eady c\u1ea7n ph\u1ea3i \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn kh\u1ea3 n\u0103ng \u0111\u00f3ng r\u1eafn c\u1ee7a n\u00f3 khi s\u1eed d\u1ee5ng lo\u1ea1i m\u1ef1c in offset UV. Ngo\u00e0i c\u00e1c lo\u1ea1i m\u00e1y in offset tr\u00ean, c\u00f2n c\u00f3 m\u00e1y in offset \u0111a n\u0103ng \/ UV th\u00f4ng d\u1ee5ng \u0111\u1ec3 in \u0111\u1ed9 trung th\u1ef1c cao. Con l\u0103n cao su c\u1ee7a n\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 in hai lo\u1ea1i m\u1ef1c. M\u00e1y in offset \u0111\u01b0\u1ee3c trang b\u1ecb tia h\u1ed3ng ngo\u1ea1i, phun b\u1ed9t v\u00e0 UV c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3ng r\u1eafn.<\/span><\/p>\nNh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb l\u00e0 t\u00ednh ph\u00f9 h\u1ee3p khi in c\u1ee7a m\u1ef1c in offset UV t\u01b0\u01a1ng \u0111\u1ed1i cao, \u0111\u1eb7c bi\u1ec7t trong giai \u0111o\u1ea1n \u0111\u1ea7u chuy\u1ec3n \u0111\u1ed5i l\u1eabn nhau gi\u1eefa m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV th\u00ec hi\u1ec7u qu\u1ea3 in s\u1ebd k\u00e9m, \u0111\u00f2i h\u1ecfi m\u1ef1c in l\u00e2u, qu\u00e1 tr\u00ecnh th\u00edch \u1ee9ng. Ngo\u00e0i c\u00e1c ch\u00ednh s\u00e1ch v\u00e0 quy \u0111\u1ecbnh, con l\u0103n cao su \u00e9p offset nh\u01b0 th\u1eddi gian s\u1eed d\u1ee5ng c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i ng\u1eafn.<\/span><\/p>\nM\u1ef1c UV<\/figcaption><\/figure>\nS\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a chu\u1ed7i m\u00e0u in d\u00e3y m\u00e0u chung c\u1ee7a m\u1ef1c in offset b\u1ed1n m\u00e0u th\u00f4ng th\u01b0\u1eddng l\u00e0: \u0111en-l\u1ee5c lam-\u0111\u1ecf t\u01b0\u01a1i-v\u00e0ng.<\/strong><\/em><\/span><\/p>\n\n\u261e<\/strong><\/em><\/span>V\u00e0 in offset UV ph\u00e1 v\u1ee1 gi\u1edbi h\u1ea1n c\u1ee7a c\u00e1c lo\u1ea1i m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng trong tr\u00ecnh t\u1ef1 m\u00e0u, n\u00f3 c\u00f3 th\u1ec3 thay \u0111\u1ed5i tr\u00ecnh t\u1ef1 m\u00e0u theo \u00fd mu\u1ed1n. L\u00fd do l\u00e0: Tr\u01b0\u1edbc h\u1ebft, v\u1ec1 nguy\u00ean t\u1eafc, in UV c\u1ea7n trang b\u1ecb thi\u1ebft b\u1ecb \u0111\u00f3ng r\u1eafn UV ph\u00eda sau m\u1ed7i nh\u00f3m m\u00e0u (t\u1ed1i thi\u1ec3u 2 nh\u00f3m m\u00e0u c\u1ea7n 1 thi\u1ebft b\u1ecb \u0111\u00f3ng r\u1eafn) th\u00ec s\u1ebd nhanh h\u01a1n. <\/span>Ho\u1eb7c c\u00e1c m\u00e0u \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd v\u1ec1 c\u01a1 b\u1ea3n, kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1ec1 m\u00e0u ch\u00e9o v\u00e0 ch\u1ed1ng d\u00ednh.<\/span><\/li>\n\u261e<\/strong><\/em><\/span>Th\u1ee9 hai, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u1ef1c in offset UV \u0111\u00e3 th\u1ed1ng nh\u1ea5t \u0111\u1ed9 nh\u1edbt c\u1ee7a m\u1ef1c UV \u0111\u1ecf t\u01b0\u01a1i, v\u00e0ng, l\u1ee5c lam v\u00e0 \u0111en xem x\u00e9t c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a in offset UV c\u00f3 ki\u1ec3m so\u00e1t, kh\u00f4ng theo thi\u1ebft k\u1ebf cho nh\u1eefng nhu c\u1ea7u \u0111\u1eb7c bi\u1ec7t c\u1ee7a b\u1ea3n in. Tuy nhi\u00ean, kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 th\u00eam h\u1ee3p l\u00fd ch\u1ea5t gi\u1ea3m \u0111\u1ed9 nh\u1edbt ho\u1eb7c vecni \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 nh\u1edbt c\u1ee7a m\u1ef1c trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf. Do \u0111\u00f3, tr\u00ecnh t\u1ef1 m\u00e0u in c\u1ee7a in offset UV c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp h\u1ee3p l\u00fd theo y\u00eau c\u1ea7u.<\/span><\/li>\n<\/ul>\nM\u00e0u m\u1ef1c in<\/figcaption><\/figure>\nS\u1ef1 kh\u00e1c bi\u1ec7t trong vi\u1ec7c kh\u1edbp c\u00e1c v\u1eadt t\u01b0 ti\u00eau hao in \u1ea5n <\/strong><\/em><\/span><\/p>\n(1) In<\/strong><\/em><\/span><\/p>\n\u1ede c\u00e1c n\u01b0\u1edbc c\u00f3 n\u1ec1n c\u00f4ng nghi\u1ec7p in ph\u00e1t tri\u1ec3n, ph\u1ea1m vi ch\u1ea5t n\u1ec1n li\u00ean quan \u0111\u1ebfn m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf, ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o ch\u1ea5t n\u1ec1n c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 (gi\u1ea5y); trong khi m\u1ef1c in offset UV \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gi\u1ea5y, c\u00e1c t\u1ea5m nh\u1ef1a kh\u00e1c nhau, th\u1ebb v\u00e0ng v\u00e0 b\u1ea1c. tr\u00ean c\u00e1c ch\u1ea5t n\u1ec1n kh\u00e1c nhau nh\u01b0 gi\u1ea5y. Ng\u01b0\u1ee3c l\u1ea1i do \u1ea3nh h\u01b0\u1edfng c\u1ee7a chi ph\u00ed thi\u1ebft b\u1ecb, chi ph\u00ed m\u1ef1c in, nh\u00e0 m\u00e1y in v\u00e0 th\u00f3i quen in \u1ea5n, m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c in \u1ea5n c\u00e1c lo\u1ea1i gi\u1ea5y c\u00f3 kh\u1ea3 n\u0103ng th\u1ea5m h\u00fat nh\u01b0 t\u1ea1p ch\u00ed, s\u00e1ch, h\u00f3a \u0111\u01a1n, v.v., trong khi m\u1ef1c in offset UV l\u00e0 ch\u1ee7 y\u1ebfu. \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u00f4ng v\u00e0ng v\u00e0 b\u1ea1c, c\u1ea3i ti\u1ebfn R & D ph\u00f9 h\u1ee3p v\u1edbi m\u00e0u s\u1eafc m\u1edbi s\u1ef1 k\u1ebft h\u1ee3p m\u00e0u s\u1eafc m\u1edbi.<\/span><\/p>\n\u0110\u1ed1i v\u1edbi vi\u1ec7c in tr\u00ean n\u1ec1n kh\u00f4ng th\u1ea5m n\u01b0\u1edbc, ph\u1ea7n giao nhau gi\u1eefa hai ch\u1ea5t li\u1ec7u n\u00e0y l\u00e0 r\u1ea5t nh\u1ecf. M\u1eb7c d\u00f9 t\u00ecnh h\u00ecnh n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00e0nh in trong n\u01b0\u1edbc, nh\u01b0ng v\u1ec1 m\u1eb7t kh\u00e1ch quan, n\u00f3 c\u1ea3n tr\u1edf s\u1ef1 h\u1ee3p t\u00e1c gi\u1eefa c\u00f4ng ngh\u1ec7 in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 c\u00f4ng ngh\u1ec7 in offset UV. <\/span><\/p>\n(2) T\u1ea5m PS, con l\u0103n cao su, gi\u1ea3i ph\u00e1p \u0111\u00e0i phun n\u01b0\u1edbc v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n kh\u00e1c. <\/strong><\/em><\/span><\/p>\nDo ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc m\u1ea1nh c\u1ee7a m\u1ef1c in offset UV cho bao b\u00ec m\u1ef9 ph\u1ea9m v\u00e0 c\u00f3 t\u00ednh \u0103n m\u00f2n cao, n\u00ean ph\u1ea3i trang b\u1ecb v\u1eadt t\u01b0 ti\u00eau hao in \u1ea5n \u0111\u1eb7c bi\u1ec7t cho in offset UV. Tr\u01b0\u1edbc h\u1ebft, c\u1ea7n ph\u1ea3i c\u00f3 phi\u00ean b\u1ea3n PS ph\u00f9 h\u1ee3p cho in offset UV, c\u1ee5 th\u1ec3 l\u00e0 phi\u00ean b\u1ea3n PS truy\u1ec1n th\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c nung \u0111\u1ec3 in th\u01b0\u01a1ng m\u1ea1i \u0111\u1ed9 b\u1ec1n b\u1ec1 m\u1eb7t v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n. Th\u1ee9 hai, ph\u1ea3i s\u1eed d\u1ee5ng c\u0169i UV \u0111\u1eb7c bi\u1ec7t ho\u1eb7c c\u0169i \u0111a n\u0103ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn c\u0169i h\u1ee3p l\u00fd c\u00f3 t\u00e1c \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ebfn vi\u1ec7c truy\u1ec1n m\u1ef1c v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i t\u1ea1o m\u00e0u c\u1ee7a b\u1ea3n in: \u0111\u1ed9 c\u1ee9ng c\u1ee7a c\u0169i kh\u00e1c nhau l\u00e0 kh\u00e1c nhau, v\u00e0 m\u1ee9c \u0111\u1ed9 ch\u1ed1ng l\u00e3o h\u00f3a c\u0169ng kh\u00e1c nhau.<\/span><\/p>\nTu\u1ed5i th\u1ecd kh\u00e1c nhau, kh\u1ea3 n\u0103ng truy\u1ec1n m\u1ef1c v\u00e0 kh\u1ea3 n\u0103ng ph\u00e2n ph\u1ed1i m\u1ef1c c\u0169ng kh\u00e1c nhau, v\u00e0 hi\u1ec7u qu\u1ea3 in c\u0169ng kh\u00e1c nhau. M\u1ed9t l\u1ea7n n\u1eefa, gi\u1ea3i ph\u00e1p \u0111\u00e0i phun n\u01b0\u1edbc s\u1eed d\u1ee5ng m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV c\u0169ng kh\u00e1c nhau. C\u00e1c th\u00f4ng s\u1ed1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a dung d\u1ecbch \u0111\u00e0i phun n\u01b0\u1edbc nh\u01b0 gi\u00e1 tr\u1ecb pH, s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t…<\/span><\/p>\nVi\u1ec7c c\u00e2n b\u1eb1ng m\u1ef1c v\u00e0 l\u1ef1a ch\u1ecdn dung d\u1ecbch \u0111\u00e0i phun ph\u00f9 h\u1ee3p c\u00f3 t\u00e1c \u0111\u1ed9ng quan tr\u1ecdng \u0111\u1ebfn vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m in v\u00e0 vi\u1ec7c s\u1eed d\u1ee5ng t\u1ea5m PS, t\u1ea5m m\u1ec1n v\u00e0 con l\u0103n cao su. Trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u00ecnh th\u01b0\u1eddng \u0111\u1ed1i v\u1edbi xu\u1ea5t b\u1ea3n k\u1ef9 thu\u1eadt s\u1ed1, gi\u00e1 tr\u1ecb pH c\u1ee7a dung d\u1ecbch l\u00e0m \u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf m\u1ee9c 4,5 \u0111\u1ebfn 5,5 v\u00e0 dung d\u1ecbch l\u00e0m \u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ef1c in offset UV \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf 4,5 \u0111\u1ebfn 5,5.<\/span><\/p>\nGi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u1edf m\u1ee9c 4,5 \u0111\u1ebfn 5,0; s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u1ee7a dung d\u1ecbch \u0111\u00e0i phun \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong in offset UV ph\u1ea3i nh\u1ecf h\u01a1n s\u1ee9c c\u0103ng c\u1ee7a dung d\u1ecbch \u0111\u00e0i phun th\u00f4ng th\u01b0\u1eddng. Sau Koray, in offset UV c\u00f2n ph\u1ea3i s\u1eed d\u1ee5ng ph\u1ee5 gia m\u1ef1c \u0111\u1eb7c bi\u1ec7t, ch\u1ea5t ph\u1ee5 gia, ch\u1ea5t t\u1ea9y r\u1eeda, v.v. Ngo\u00e0i ra, \u0111i\u1ec1u \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng l\u00e0 ch\u1ec9 ra r\u1eb1ng uv tri\u1ec3n l\u00e3m kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn c\u00e1c d\u00f2ng m\u1ef1c in offset UV kh\u00e1c nhau. In offset UV ph\u1ea3i s\u1eed d\u1ee5ng ph\u1ee5 li\u1ec7u theo khuy\u1ebfn c\u00e1o c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, t\u1ed1t h\u01a1n h\u1ebft l\u00e0 s\u1eed d\u1ee5ng c\u00e1c s\u1ea3n ph\u1ea9m c\u00f9ng th\u01b0\u01a1ng hi\u1ec7u, v\u00ec s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p v\u00e0 s\u1eed d\u1ee5ng linh tinh c\u00f3 th\u1ec3 khi\u1ebfn m\u1ef1c in offset UV b\u1ecb gel.<\/span> \nth\u1ea5y tr\u01b0\u1edbc m\u1ea5t m\u00e1t.<\/span><\/p>\nS\u1ef1 kh\u00e1c bi\u1ec7t trong ki\u1ec3m so\u00e1t quy tr\u00ecnh<\/strong><\/em><\/span><\/p>\n (1) \u0110\u1ed9 c\u1ee9ng c\u1ee7a tr\u1ee5c l\u0103n in offset UV t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, v\u00ec v\u1eady n\u00f3 \u0111\u00f2i h\u1ecfi \u00e1p l\u1ef1c in l\u1edbn h\u01a1n trong qu\u00e1 tr\u00ecnh in. \u0110\u1ed3ng th\u1eddi, trong qu\u00e1 tr\u00ecnh in b\u00e1o, nhi\u1ec7t \u0111\u1ed9 gi\u1eefa c\u00e1c tr\u1ee5c c\u00e1n in offset UV cao h\u01a1n in offset th\u00f4ng th\u01b0\u1eddng n\u00ean UV. N\u01b0\u1edbc l\u00e0m m\u00e1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong n\u1ed9i th\u1ea5t, \u0111\u1ed1i v\u1edbi m\u00e1y in kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb l\u00e0m m\u00e1t b\u1eb1ng n\u01b0\u1edbc, c\u1ea7n tr\u00e1nh \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh in l\u00e2u d\u00e0i \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ef1c in offset UV. Khi in tr\u00ean ch\u1ea5t n\u1ec1n kh\u00f4ng th\u1ea5m n\u01b0\u1edbc b\u1eb1ng m\u1ef1c in offset UV, c\u0169ng c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng t\u0129nh \u0111i\u1ec7n.<\/span><\/p>\n (2) L\u01b0\u1ee3ng m\u1ef1c. So v\u1edbi in offset th\u00f4ng th\u01b0\u1eddng, in offset UV n\u00ean tr\u00e1nh \u0111\u1ed5 qu\u00e1 nhi\u1ec1u m\u1ef1c v\u00e0o m\u1ed9t l\u00fac trong in offset khi \u0111\u1ed5 th\u00eam m\u1ef1c v\u00e0o \u1ed1ng m\u1ef1c. <\/span><\/p>\n(3) Khi in offset UV, c\u1ea7n ph\u1ea3i c\u00e1c c\u1eeda s\u1ed5 xung quanh n\u00ean \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac v\u1edbi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi, trong x\u01b0\u1edfng n\u00ean ch\u1ecdn c\u00e1c lo\u1ea1i \u0111\u00e8n hu\u1ef3nh quang \u0111\u1eb7c bi\u1ec7t kh\u00f4ng c\u00f3 tia t\u1eed ngo\u1ea1i.<\/span><\/p>\n (4) Khi in th\u1ea1ch b\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c s\u1ea3n ph\u1ea9m in offset th\u00f4ng th\u01b0\u1eddng, c\u1ea7n x\u00e1c nh\u1eadn r\u1eb1ng m\u00e0u s\u1eafc, \u0111i\u1ec3m ch\u1ea5m v\u00e0 h\u00ecnh \u1ea3nh r\u00f5 r\u00e0ng c\u1ee7a m\u1ef1c tr\u00ean gi\u1ea5y c\u00f3 th\u1ec3 kh\u00f4 ho\u00e0n to\u00e0n tr\u01b0\u1edbc v\u00e0 sau \u0111\u00f3. <\/span><\/p>\n\n\u261e<\/strong><\/em><\/span>V\u1ea5n \u0111\u1ec1 m\u1ed9t ph\u1ea7n, hi\u1ec7u su\u1ea5t l\u00e0m kh\u00f4 v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 x\u1ea3y ra ch\u1ed1ng d\u00ednh, x\u1ebfp ch\u1ed3ng l\u00ean nhau, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 x\u1eed l\u00fd sau \u00e9p nh\u01b0 d\u1eadp n\u00f3ng, tr\u00e1ng men, c\u00e1n m\u1ecfng v\u00e0 c\u00e1c quy tr\u00ecnh kh\u00e1c. In s\u00e1ch \u0111\u1ec3 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m in offset UV, tr\u01b0\u1edbc ti\u00ean c\u1ea7n x\u00e1c nh\u1eadn v\u1ea5n \u0111\u1ec1 x\u1eed l\u00fd c\u1ee7a m\u1ef1c in offset UV c\u00f4ng su\u1ea5t \u0111\u00e8n c\u1ee7a m\u00e1y c\u00f3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u00f3ng r\u1eafn c\u1ee7a m\u1ef1c in offset UV hay kh\u00f4ng. <\/span><\/li>\n\u261e<\/strong><\/em><\/span>Th\u1ee9 hai, c\u1ea7n x\u00e1c nh\u1eadn m\u1ef1c in offset UV c\u00f3 \u0111\u1ee7 \u0111\u1ed9 b\u1ec1n b\u00e1m d\u00ednh tr\u00ean n\u1ec1n hay kh\u00f4ng. N\u1ebfu \u0111\u1ed9 b\u1ec1n b\u00e1m d\u00ednh c\u1ee7a m\u1ef1c in offset UV kh\u00f4ng t\u1ed1t trong qu\u00e1 tr\u00ecnh in, s\u1ea3n ph\u1ea9m in s\u1ebd b\u1ecb h\u1ecfng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng sau \u00e9p. <\/span>C\u00f3 c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 m\u1ea5t m\u1ef1c, n\u1ed5 m\u00e0u. <\/span><\/li>\n\u261e<\/strong><\/em><\/span>Th\u1ee9 ba, c\u0169ng c\u1ea7n kh\u1eb3ng \u0111\u1ecbnh \u0111\u1ed9 trong su\u1ed1t, \u0111\u1ed9 m\u1ec1m d\u1ebbo, m\u00e0u s\u1eafc, \u0111\u1ed9 b\u00f3ng v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh kh\u00e1c c\u1ee7a s\u1ea3n ph\u1ea9m in theo y\u00eau c\u1ea7u thi\u1ebft k\u1ebf ri\u00eang c\u1ee7a s\u1ea3n ph\u1ea9m in.<\/span><\/li>\n<\/ul>\n (5) S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng v\u00e0 b\u1ea3o v\u1ec7 an to\u00e0n. H\u1ea7u h\u1ebft c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng t\u01b0\u01a1ng \u0111\u1ed1i tr\u01a1. Qu\u00e1 tr\u00ecnh kh\u00f4 di\u1ec5n ra t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eadm n\u00ean ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc c\u1ee7a m\u1ef1c nh\u1ecf, t\u00ednh s\u00e1t th\u01b0\u01a1ng v\u00e0 \u0103n m\u00f2n tr\u1ef1c ti\u1ebfp \u0111\u1ed1i v\u1edbi c\u01a1 th\u1ec3 con ng\u01b0\u1eddi t\u01b0\u01a1ng \u0111\u1ed1i y\u1ebfu, tuy nhi\u00ean m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng c\u00f3 \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p trong qu\u00e1 tr\u00ecnh in, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y thi\u1ec7t h\u1ea1i cho con ng\u01b0\u1eddi s\u1ee9c kh\u1ecfe. C\u00e1c nh\u1eafc nh\u1edf r\u1ee7i ro n\u00ean \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo nhu c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m in. <\/span><\/p>\nM\u1ef1c in offset UV c\u00f3 th\u00e0nh ph\u1ea7n l\u00e0 nh\u1ef1a kh\u00f4ng b\u00e3o h\u00f2a, monome v\u00e0 quang t\u1eed c\u00f3 ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc c\u1ef1c cao, qu\u00e1 tr\u00ecnh \u0111\u00f3ng r\u1eafn l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc, do \u0111\u00f3 n\u1ebfu m\u1ef1c in offset<\/a><\/span> UV tr\u01b0\u1edbc khi \u0111\u00f3ng r\u1eafn ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi c\u01a1 th\u1ec3 con ng\u01b0\u1eddi. N\u00f3 s\u1ebd g\u00e2y k\u00edch \u1ee9ng v\u00e0 \u0103n m\u00f2n m\u1ea1nh cho da v\u00e0 \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p c\u1ee7a con ng\u01b0\u1eddi. \u0110\u1eb7c bi\u1ec7t, \u0111\u1ec3 gi\u1ea3m gi\u00e1 th\u00e0nh c\u1ee7a m\u1ef1c in UV offset, m\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t m\u1ef1c in offset UV s\u1ebd th\u00eam ch\u1ea5t quang g\u00e2y ung th\u01b0 nh\u01b0 benzophenone v\u00e0 ITX v\u00e0o m\u1ef1c in UV offset.<\/span><\/p>\nHo\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 c\u1ee7a c\u00e1c nh\u00e0 khai th\u00e1c in t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi ng\u1ed9 \u0111\u1ed9c m\u00e3n t\u00ednh. Tuy nhi\u00ean, sau khi m\u1ef1c in offset UV \u0111\u01b0\u1ee3c in th\u00e0nh th\u00e0nh ph\u1ea9m, do c\u00e1c th\u00e0nh ph\u1ea7n h\u00f3a h\u1ecdc trong m\u1ef1c ph\u1ea3n \u00e1nh \u0111\u1ea7y \u0111\u1ee7 RIP n\u00ean s\u1ebd ch\u1ec9 c\u00f3 m\u1ed9t l\u01b0\u1ee3ng r\u1ea5t nh\u1ecf d\u01b0 l\u01b0\u1ee3ng ch\u1ea5t \u0111\u1ed9c h\u1ea1i v\u00e0 kh\u1ea3 n\u0103ng di chuy\u1ec3n h\u00f3a h\u1ecdc trong s\u1ea3n ph\u1ea9m in l\u00e0 r\u1ea5t nh\u1ecf.<\/span><\/p>\nS\u1ef1 ho\u00e0n ch\u1ec9nh \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u1ea5t nhi\u1ec1u. Do \u0111\u00f3, kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 an to\u00e0n c\u1ee7a in offset UV ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh trong c\u00e1c li\u00ean k\u1ebft tr\u01b0\u1edbc khi \u00e9p v\u00e0 trong in, v\u00e0 v\u1ec1 c\u01a1 b\u1ea3n s\u1ebd kh\u00f4ng c\u00f3 \u00f4 nhi\u1ec5m th\u1ee9 c\u1ea5p sau khi in. M\u00e1y in offset s\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV. N\u00f3 ph\u00f9 h\u1ee3p \u0111\u1ec3 in m\u1ef1c c\u00f3 \u0111\u1ed9 cao, gam m\u00e0u r\u1ed9ng, s\u1eed d\u1ee5ng d\u1ea7u th\u1ef1c v\u1eadt t\u00e1i t\u1ea1o nh\u01b0 d\u1ea7u \u0111\u1eadu n\u00e0nh v\u00e0 d\u1ea7u c\u00e1m g\u1ea1o thay v\u00ec d\u1ea7u kho\u00e1ng, v\u00e0 m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng th\u00edch h\u1ee3p cho in ng\u1eafn h\u1ea1n. \u0110\u1ed1i v\u1edbi m\u1ef1c in offset UV, vi\u1ec7c gi\u1ea3m gi\u00e1 m\u1ef1c v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi s\u1eed d\u1ee5ng l\u00e0 nh\u1eefng b\u00e1o c\u00e1o quan tr\u1ecdng c\u1ee7a khu v\u1ef1c \u0111\u1ec3 nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai.<\/span><\/p>\nM\u1ef1c in UV offset v\u1edbi c\u00e1c hi\u1ec7u \u1ee9ng \u0111\u1eb7c bi\u1ec7t, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ef1c UV c\u00f3 m\u00f9i th\u01a1m vi nang, m\u1ef1c UV c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u \u1ee9ng d\u1eadp ngu\u1ed9i tr\u1ef1c tuy\u1ebfn v\u00e0 m\u1ef1c in offset UV c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c hi\u1ec7u \u1ee9ng in \u1ea5n t\u01b0\u01a1ng t\u1ef1. Cho d\u00f9 \u0111\u00f3 l\u00e0 m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng hay m\u1ef1c in offset UV, h\u00e3y cung c\u1ea5p th\u00eam b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 t\u00ednh n\u0103ng \u0111\u1eb7c bi\u1ec7t h\u01a1n s\u1ebd tr\u1edf th\u00e0nh m\u1ed9t xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n r\u00f5 r\u00e0ng.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"M\u1ee5c l\u1ee5c K\u1ef9 thu\u1eadt in offsetC\u00e1c t\u00ednh n\u0103ng c\u1ee7a quy tr\u00ecnh k\u1ef9 thu\u1eadt in ofset:S\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai c\u1ee7a m\u1ef1c in offset th\u00f4ng th\u01b0\u1eddng v\u00e0 m\u1ef1c in offset UV K\u1ef9 thu\u1eadt in offset In offset l\u00e0 m\u1ed9t lo\u1ea1i h\u00ecnh in th\u1ea1ch b\u1ea3n, n\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n th\u00ec in … <\/p>\n
\u0110\u1ecdc ti\u1ebfp “K\u1ef9 thu\u1eadt in offset”<\/span><\/a><\/p>\n","protected":false},"featured_media":3322,"comment_status":"open","ping_status":"closed","template":"","meta":[],"yoast_head":"\nK\u1ef9 thu\u1eadt in offset - C\u00f4ng Ty TNHH Qu\u1ed1c T\u1ebf BiNa Vi\u1ec7t Nam<\/title>\n \n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n \n \n\t \n\t \n\t \n