in offset<\/a> <\/span>ho\u1eb7c in n\u1ed5i t\u1ea5m \u0111\u1ed3ng, sao ch\u00e9p b\u1ea3n th\u1ea3o \u1ea3nh \u0111\u01a1n s\u1eafc ho\u1eb7c \u1ea3nh m\u00e0u c\u00f3 \u01b0u \u0111i\u1ec3m l\u00e0 l\u1edbp m\u1ef1c d\u00e0y, l\u1edbp phong ph\u00fa, ch\u1ea5t l\u01b0\u1ee3ng in t\u1ed1t, t\u1ef7 l\u1ec7 gi\u1ea5y th\u1ea3i th\u1ea5p, b\u1ea3n in b\u1ec1n, b\u1ea3o qu\u1ea3n l\u00e2u d\u00e0i, \u0111\u1eb7c bi\u1ec7t l\u00e0 tr\u00ean gi\u1ea5y th\u00f4, gi\u1ea5y b\u00f3ng k\u00ednh, m\u00e0ng nh\u1ef1a, hi\u1ec7u \u1ee9ng in l\u00e1 kim lo\u1ea1i t\u1ed1t. Tuy nhi\u00ean, vi\u1ec7c l\u00e0m t\u1ea5m \u1ed1ng \u0111\u1ed3ng m\u1ea5t nhi\u1ec1u th\u1eddi gian v\u00e0 t\u1ed1n k\u00e9m n\u00ean ch\u1ec9 c\u00f3 tranh m\u00e0u, album tranh, t\u1ea1p ch\u00ed tranh, minh h\u1ecda s\u00e1ch, b\u01b0u thi\u1ebfp, nh\u00e3n hi\u1ec7u, bao b\u00ec v\u00e0 trang tr\u00ed, ch\u1ee9ng kho\u00e1n, v\u1eadt li\u1ec7u trang tr\u00ed x\u00e2y d\u1ef1ng, v.v. c\u00f3 y\u00eau c\u1ea7u ch\u1ea5t l\u01b0\u1ee3ng cao m\u1edbi ph\u00f9 h\u1ee3p. in \u1ed1ng \u0111\u1ed3ng. H\u01a1n n\u1eefa, s\u1ed1 l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m in nhi\u1ec1u n\u00ean s\u1eed d\u1ee5ng in \u1ed1ng \u0111\u1ed3ng s\u1ebd ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n. Ngo\u00e0i ra, do ch\u1ea5t l\u01b0\u1ee3ng in v\u0103n b\u1ea3n c\u1ee1 nh\u1ecf kh\u00f4ng t\u1ed1t n\u00ean in \u1ed1ng \u0111\u1ed3ng kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi c\u00e1c s\u00e1ch, t\u1ea1p ch\u00ed \u0111\u1ecbnh k\u1ef3 ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o v\u0103n b\u1ea3n.<\/span><\/p>\nM\u1ef1c \u1ed1ng \u0111\u1ed3ng ph\u1ea3i c\u00f3 t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00ec ph\u1ea3i d\u1ec5 d\u00e0ng \u0111i v\u00e0o c\u00e1c l\u1ed7 m\u1ef1c c\u1ee7a t\u1ea5m in v\u00e0 chuy\u1ec3n sang gi\u1ea5y, benzen d\u1ec5 bay h\u01a1i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m dung m\u00f4i. \u0110\u1ec3 ng\u0103n ch\u1eb7n dung m\u00f4i g\u00e2y \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed v\u00e0 ng\u0103n ng\u1eeba h\u1ecfa ho\u1ea1n, ph\u1ea3i ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c ni\u00eam phong c\u00e1c ngu\u1ed3n \u00f4 nhi\u1ec5m, t\u00e1i ch\u1ebf dung m\u00f4i v\u00e0 th\u00f4ng gi\u00f3 n\u01a1i l\u00e0m vi\u1ec7c. Vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng m\u1ef1c \u1ed1ng \u0111\u1ed3ng g\u1ed1c n\u01b0\u1edbc kh\u00f4ng l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng in \u1ea5n \u0111ang \u0111\u01b0\u1ee3c t\u00edch c\u1ef1c t\u00ecm hi\u1ec3u trong v\u00e0 ngo\u00e0i n\u01b0\u1edbc.<\/span><\/p>\n<\/span> Nguy\u00ean l\u00fd in \u1ed1ng \u0111\u1ed3ng<\/span><\/figcaption><\/figure>\n<\/span>Ph\u00e2n lo\u1ea1i c\u00e1c d\u1ea1ng in \u1ed1ng \u0111\u1ed3ng<\/strong><\/em><\/span><\/span><\/h3>\nC\u00e1c lo\u1ea1i in \u1ed1ng \u0111\u1ed3ng \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i theo ph\u01b0\u01a1ng ph\u00e1p l\u00e0m t\u1ea5m: \u1ed1ng \u0111\u1ed3ng kh\u1eafc b\u1eb1ng tay v\u00e0 \u1ed1ng \u0111\u1ed3ng kh\u1eafc c\u01a1 kh\u00ed, \u1ed1ng \u0111\u1ed3ng \u0111i\u1ec7n t\u1eed.<\/span><\/p>\nKh\u1eafc ch\u00ecm l\u00e0 s\u1eed d\u1ee5ng dao kh\u1eafc \u0111\u1ec3 kh\u1eafc tr\u1ef1c ti\u1ebfp c\u00e1c h\u1ed1 t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111\u1ed3 h\u1ecda v\u00e0 v\u0103n b\u1ea3n g\u1ed1c tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a tr\u1ee5 t\u1ea5m in. Theo ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u khi\u1ec3n c\u1ee7a dao kh\u1eafc, c\u00f3 th\u1ec3 chia th\u00e0nh kh\u1eafc ch\u00ecm th\u1ee7 c\u00f4ng, kh\u1eafc ch\u00ecm c\u01a1 h\u1ecdc v\u00e0 kh\u1eafc ch\u00ecm \u0111i\u1ec7n t\u1eed.<\/span><\/p>\n\u1ed0ng \u0111\u1ed3ng ch\u1ea1m kh\u1eafc b\u1eb1ng tay: \u1ed0ng \u0111\u1ed3ng kh\u1eafc tay \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean s\u1eed d\u1ee5ng dao kh\u1eafc \u0111\u1ec3 kh\u1eafc th\u1ee7 c\u00f4ng b\u1ec1 m\u1eb7t tr\u1ee5 t\u1ea5m in theo \u0111\u1ed3 h\u1ecda v\u00e0 v\u0103n b\u1ea3n g\u1ed1c, v\u1eadt li\u1ec7u t\u1ea5m in c\u00f3 th\u1ec3 l\u00e0 t\u1ea5m \u0111\u1ed3ng ho\u1eb7c t\u1ea5m th\u00e9p. Lao \u0111\u1ed9ng th\u1ee7 c\u00f4ng n\u1eb7ng nh\u1ecdc, chi ph\u00ed ch\u1ebf t\u1ea1o t\u1ea5m cao v\u00e0 chu tr\u00ecnh d\u00e0i. Tuy nhi\u00ean, \u1ed1ng \u0111\u1ed3ng \u0111\u01b0\u1ee3c ch\u1ea1m kh\u1eafc b\u1eb1ng tay c\u00f3 \u0111\u01b0\u1eddng n\u00e9t r\u00f5 r\u00e0ng v\u00e0 c\u1ea3m gi\u00e1c ph\u00e2n l\u1edbp m\u1ea1nh n\u00ean kh\u00f3 r\u00e8n. Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t t\u1ea5m in \u1ed1ng \u0111\u1ed3ng cho ch\u1ee9ng kho\u00e1n v\u00e0 t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt ch\u1ea5t l\u01b0\u1ee3ng cao.<\/span><\/p>\n\u1ed0ng \u0111\u1ed3ng kh\u1eafc c\u01a1 kh\u00ed: \u1ed0ng \u0111\u1ed3ng kh\u1eafc c\u01a1 h\u1ecdc \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng dao kh\u1eafc \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng c\u01a1 h\u1ecdc \u0111\u1ec3 kh\u1eafc tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a tr\u1ee5 in, gi\u00fap gi\u1ea3m b\u1edbt s\u1ee9c lao \u0111\u1ed9ng n\u1eb7ng nh\u1ecdc c\u1ee7a vi\u1ec7c kh\u1eafc th\u1ee7 c\u00f4ng, t\u1ed1c \u0111\u1ed9 l\u00e0m t\u1ea5m nhanh, chu k\u1ef3 ng\u1eafn v\u00e0 chi ph\u00ed ch\u1ebf t\u1ea1o t\u1ea5m th\u1ea5p. N\u00f3 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t t\u1ea5m in \u1ed1ng \u0111\u1ed3ng cho ch\u1ee9ng kho\u00e1n. Do chi ph\u00ed kh\u1eafc v\u00e0 l\u00e0m t\u1ea5m \u1edf tr\u00ean cao v\u00e0 chu k\u1ef3 l\u00e0m t\u1ea5m d\u00e0i n\u00ean ph\u1ea1m vi s\u1eed d\u1ee5ng b\u1ecb h\u1ea1n ch\u1ebf.<\/span><\/p>\n Nh\u01b0ng m\u1ecdi th\u1ee9 \u0111\u1ec1u \u0111\u01b0\u1ee3c chia l\u00e0m hai, li\u00ean quan \u0111\u1ebfn bao b\u00ec ch\u1ed1ng h\u00e0ng gi\u1ea3, \u1ed1ng \u0111\u1ed3ng kh\u1eafc b\u1eb1ng tay c\u00f3 th\u1ec3 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m \u0111\u0129a t\u1ed1t nh\u1ea5t. B\u1edfi v\u00ec ch\u1ed1ng h\u00e0ng gi\u1ea3 b\u00ed m\u1eadt l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng c\u1ee7a bao b\u00ec ch\u1ed1ng h\u00e0ng gi\u1ea3 n\u00ean k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau \u0111\u1ec3 kh\u1eafc m\u1ed9t s\u1ed1 d\u1ea5u b\u00ed m\u1eadt trong qu\u00e1 tr\u00ecnh kh\u1eafc b\u1eb1ng tay. Nh\u1eefng d\u1ea5u b\u00ed m\u1eadt n\u00e0y tr\u00ean \u1ed1ng \u0111\u1ed3ng kh\u1eafc b\u1eb1ng tay kh\u00f4ng d\u1ec5 t\u00ecm th\u1ea5y v\u00e0 c\u00e0ng kh\u00f3 ph\u00e2n bi\u1ec7t tr\u00ean gi\u1ea5y in, v\u1ed1n l\u00e0 b\u00ed quy\u1ebft ch\u1ed1ng h\u00e0ng gi\u1ea3.<\/span><\/p>\n\u1ed0ng \u0111\u1ed3ng kh\u1eafc \u0111i\u1ec7n t\u1eed: Lo\u1ea1i t\u1ea5m n\u00e0y \u0111\u01b0\u1ee3c kh\u1eafc tr\u00ean b\u1ec1 m\u1eb7t tr\u1ee5 t\u1ea5m in b\u1eb1ng thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed \u0111i\u1ec1u khi\u1ec3n dao kh\u1eafc. M\u1ed9t m\u00e1y kh\u1eafc \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n dao kh\u1eafc theo nguy\u00ean l\u00fd quang \u0111i\u1ec7n \u0111\u1ec3 kh\u1eafc c\u00e1c t\u1ebf b\u00e0o tr\u00ean b\u1ec1 m\u1eb7t tr\u1ed1ng, \u0111\u1ed3ng th\u1eddi thay \u0111\u1ed5i di\u1ec7n t\u00edch v\u00e0 \u0111\u1ed9 s\u00e2u c\u1ee7a n\u00f3.<\/span><\/p>\n\n\u2713<\/strong><\/em><\/span>T\u1ea5m \u1ed1ng \u0111\u1ed3ng kh\u1eafc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch kh\u1eafc c\u00e1c h\u1ed1 m\u1ef1c tr\u00ean b\u1ec1 m\u1eb7t tr\u1ee5 in b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p kh\u1eafc h\u00f3a h\u1ecdc theo h\u00ecnh \u1ea3nh v\u00e0 v\u0103n b\u1ea3n g\u1ed1c. Theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p chuy\u1ec3n \u0111\u1ed5i h\u00ecnh \u1ea3nh v\u00e0 v\u0103n b\u1ea3n g\u1ed1c kh\u00e1c nhau, \u1ed1ng \u0111\u1ed3ng kh\u1eafc c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh \u1ed1ng \u0111\u1ed3ng kh\u1eafc, \u1ed1ng \u0111\u1ed3ng \u1ea3nh v\u00e0 \u1ed1ng \u0111\u1ed3ng ch\u1ea5m.<\/span><\/li>\n\u2713<\/strong><\/em><\/span>C\u00e1c t\u1ea5m \u1ed1ng \u0111\u1ed3ng kh\u1eafc \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ch\u1ebf t\u1ea1o t\u1ea5m k\u1ebft h\u1ee3p kh\u1eafc. Ngh\u0129a l\u00e0, h\u00ecnh d\u1ea1ng c\u1ee7a h\u00ecnh \u1ea3nh v\u00e0 v\u0103n b\u1ea3n g\u1ed1c tr\u01b0\u1edbc ti\u00ean \u0111\u01b0\u1ee3c ch\u1ea1m kh\u1eafc b\u1eb1ng tay, sau \u0111\u00f3 h\u00ecnh kh\u1eafc \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch kh\u1eafc.<\/span><\/li>\n\u2713<\/strong><\/em><\/span>\u1ed0ng \u0111\u1ed3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 l\u00e0 t\u1ea5m in \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t trong in \u1ed1ng \u0111\u1ed3ng, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 in c\u00e1c t\u1ea5m tranh, v.v.<\/span><\/li>\n\u2713<\/strong><\/em><\/span>\u1ed0ng \u0111\u1ed3ng ch\u1ea5m ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00f3ng g\u00f3i, in trang tr\u00ed v\u00e0 in v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng.<\/span><\/li>\n<\/ul>\n<\/span> L\u00f4 tr\u1ee5c in \u1ed1ng \u0111\u1ed3ng<\/span><\/figcaption><\/figure>\n<\/span>C\u00e1c y\u1ebfu t\u1ed1 s\u1ea3n xu\u1ea5t<\/strong><\/em><\/span><\/span><\/h3>\n\n\u2713<\/strong><\/span>B\u1ea3n th\u1ea3o g\u1ed1c: C\u00e1c b\u1ea3n g\u1ed1c in \u1ed1ng \u0111\u1ed3ng h\u1ea7u h\u1ebft \u0111\u1ec1u \u1edf d\u1ea1ng li\u00ean t\u1ee5c.<\/span><\/li>\n\u2713<\/strong><\/span>M\u1ef1c: M\u1ef1c \u1ed1ng \u0111\u1ed3ng bao g\u1ed3m nh\u1ef1a r\u1eafn, dung m\u00f4i d\u1ec5 bay h\u01a1i, ch\u1ea5t m\u00e0u, ch\u1ea5t \u0111\u1ed9n v\u00e0 ph\u1ee5 gia. N\u00f3 kh\u00f4ng ch\u1ee9a d\u1ea7u th\u1ef1c v\u1eadt v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u00e0m kh\u00f4 c\u1ee7a n\u00f3 h\u1ea7u nh\u01b0 d\u1ec5 bay h\u01a1i. M\u1ef1c \u1ed1ng \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh ba lo\u1ea1i: m\u1ef1c \u1ed1ng \u0111\u1ed3ng b\u00f3ng; m\u1ef1c \u1ed1ng \u0111\u1ed3ng nh\u1ef1a; m\u1ef1c \u1ed1ng \u0111\u1ed3ng h\u00f2a tan trong c\u1ed3n. Ch\u1ee9c n\u0103ng c\u1ee7a dung m\u00f4i trong m\u1ef1c bao g\u1ed3m: h\u00f2a tan ho\u1eb7c ph\u00e2n t\u00e1n t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n r\u1eafn c\u00f3 trong m\u1ef1c; l\u00e0m \u1ea9m b\u1ec1 m\u1eb7t n\u1ec1n in; \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 kh\u00f4 c\u1ee7a m\u1ef1c; \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 \u0111\u1eb7c c\u1ee7a m\u1ef1c sao cho ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u m\u1ef1c c\u1ee7a ng\u00e0nh in. \u0111\u0129a in.<\/span><\/li>\n\u2713<\/strong><\/span>\u0110\u0129a in: \u0110i\u1ec3m kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 gi\u1eefa t\u1ea5m \u1ed1ng \u0111\u1ed3ng v\u00e0 c\u00e1c t\u1ea5m kh\u00e1c l\u00e0 ph\u1ea7n h\u00ecnh \u1ea3nh v\u00e0 v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c l\u1ed7 l\u00f5m th\u1ea5p h\u01a1n ph\u1ea7n kh\u00f4ng ph\u1ea3i h\u00ecnh \u1ea3nh v\u00e0 ph\u1ea7n v\u0103n b\u1ea3n, t\u1ea5m in \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u kim lo\u1ea1i v\u00e0 \u0111\u01b0\u1ee3c m\u1ea1 crom v\u00e0 \u0111\u1ed3ng \u1edf b\u00ean ngo\u00e0i.<\/span><\/li>\n\u2713<\/strong><\/span>C\u01a1 ch\u1ea5t: In \u1ed1ng \u0111\u1ed3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u, nh\u01b0ng n\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 in gi\u1ea5y v\u00e0 m\u00e0ng nh\u1ef1a cao c\u1ea5p.<\/span><\/li>\n\u2713<\/strong><\/span>M\u00e1y in: M\u1ed9t m\u00e1y in \u1ed1ng \u0111\u1ed3ng th\u01b0\u1eddng bao g\u1ed3m t\u00e1m b\u1ed9 ph\u1eadn ch\u00ednh, bao g\u1ed3m b\u1ed9 ph\u1eadn th\u00e1o cu\u1ed9n, con l\u0103n d\u1eabn h\u01b0\u1edbng, con l\u0103n \u00e1p l\u1ef1c, con l\u0103n in, b\u1ed9 ph\u1eadn \u0111\u1ed5 m\u1ef1c, l\u01b0\u1ee1i dao b\u00e1c s\u0129, m\u00e1y s\u1ea5y v\u00e0 b\u1ed9 ph\u1eadn cu\u1ed9n d\u00e2y. M\u1ed9t s\u1ed1 m\u00e1y in \u1ed1ng \u0111\u1ed3ng c\u0169ng bao g\u1ed3m h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, h\u1ec7 th\u1ed1ng hi\u1ec7u chu\u1ea9n v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/span><\/li>\n<\/ul>\n<\/span> In \u1ed1ng \u0111\u1ed3ng \u0111i\u1ec7n t\u1eed<\/span><\/figcaption><\/figure>\n<\/span>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/strong><\/em><\/span><\/span><\/h3>\nDo m\u00e1y in c\u00f3 m\u1ee9c \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng h\u00f3a cao v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng ch\u1ebf t\u1ea1o b\u1ea3n in t\u1ed1t n\u00ean quy tr\u00ecnh v\u1eadn h\u00e0nh in \u1ed1ng \u0111\u1ed3ng \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 l\u00e0m ch\u1ee7 h\u01a1n so v\u1edbi in offset. Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi in \u2192 Xu\u1ea5t b\u1ea3n \u2192 Quy t\u1eafc \u0111i\u1ec1u ch\u1ec9nh \u2192 In ch\u00ednh th\u1ee9c \u2192 X\u1eed l\u00fd sau in<\/span><\/p>\n<\/span>Prepress: <\/strong><\/em><\/span><\/span><\/h4>\nC\u00f4ng vi\u1ec7c chu\u1ea9n b\u1ecb cho in \u1ed1ng \u0111\u1ed3ng bao g\u1ed3m: chu\u1ea9n b\u1ecb n\u1ec1n, m\u1ef1c, ch\u1ed5i cao su,\u2026 theo y\u00eau c\u1ea7u c\u1ee7a tr\u00ecnh t\u1ef1 thi c\u00f4ng v\u00e0 b\u00f4i tr\u01a1n m\u00e1y in.<\/span><\/p>\nM\u00e0ng nh\u1ef1a l\u00e0 ch\u1ea5t n\u1ec1n ch\u00ednh \u0111\u1ec3 in \u1ed1ng \u0111\u1ed3ng. M\u00e0ng nh\u1ef1a th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m polyetylen, polypropylen, polyvinyl clorua, v.v. Do b\u1ec1 m\u1eb7t m\u00e0ng nh\u1ef1a m\u1ecbn v\u00e0 \u0111\u1ed9 b\u00e1m m\u1ef1c k\u00e9m n\u00ean b\u1ec1 m\u1eb7t m\u00e0ng ph\u1ea3i \u0111\u01b0\u1ee3c x\u1eed l\u00fd tr\u01b0\u1edbc khi in. Ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd Corona th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 cho m\u1ed9t m\u00e0ng nh\u1ef1a \u0111i qua hai \u0111i\u1ec7n c\u1ef1c v\u00e0 s\u1eed d\u1ee5ng c\u00e1c xung dao \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao \u0111\u1ec3 bu\u1ed9c kh\u00f4ng kh\u00ed ion h\u00f3a t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n t\u1ea1o th\u00e0nh v\u1ea7ng h\u00e0o quang. C\u00e1c nguy\u00ean t\u1eed oxy t\u1ef1 do k\u1ebft h\u1ee3p v\u1edbi c\u00e1c ph\u00e2n t\u1eed oxy \u0111\u1ec3 t\u1ea1o th\u00e0nh t\u1ea1o ra ozone, khi\u1ebfn b\u1ec1 m\u1eb7t m\u00e0ng h\u00ecnh th\u00e0nh. M\u1ed9t s\u1ed1 nh\u00f3m m\u1ea1nh v\u00e0 c\u00e1c \u201cv\u1edd\u201d m\u00e0 m\u1eaft th\u01b0\u1eddng kh\u00f4ng nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c l\u00e0m t\u0103ng s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 nh\u00e1m c\u1ee7a m\u00e0ng, c\u00f3 l\u1ee3i cho kh\u1ea3 n\u0103ng b\u00e1m d\u00ednh c\u1ee7a m\u1ef1c v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh.<\/span><\/p>\nIn \u1ed1ng \u0111\u1ed3ng s\u1eed d\u1ee5ng lo\u1ea1i m\u1ef1c dung m\u00f4i d\u1ec5 bay h\u01a1i c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p, t\u00ednh l\u01b0u \u0111\u1ed9ng t\u1ed1t v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh cao. C\u00e1c dung m\u00f4i th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng bao g\u1ed3m toluene, xylene, x\u0103ng, r\u01b0\u1ee3u, v.v. Th\u00eam m\u1ed9t l\u01b0\u1ee3ng dung m\u00f4i th\u00edch h\u1ee3p v\u00e0o m\u1ef1c tr\u01b0\u1edbc khi in, t\u1ed1t nh\u1ea5t n\u00ean l\u1ecdc tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/span><\/p>\nT\u00ednh n\u0103ng ch\u00ednh c\u1ee7a m\u00e1y in \u1ed1ng \u0111\u1ed3ng l\u00e0 s\u1eed d\u1ee5ng dao c\u1ea1o \u0111\u1ec3 c\u1ea1o s\u1ea1ch m\u1ef1c \u1edf nh\u1eefng ph\u1ea7n tr\u1ed1ng c\u1ee7a t\u1ea5m in. L\u01b0\u1ee1i dao b\u00e1c s\u0129 l\u00e0 m\u1ed9t t\u1ea5m th\u00e9p \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1eb7c bi\u1ec7t c\u00f3 chi\u1ec1u r\u1ed9ng t\u1eeb 60mm \u0111\u1ebfn 80mm v\u00e0 chi\u1ec1u d\u00e0i t\u1eeb 1000mm \u0111\u1ebfn 1500mm (t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc c\u1ee7a tr\u1ee5 t\u1ea5m in). L\u01b0\u1ee1i c\u1ea1o m\u1ef1c ph\u1ea3i th\u1eb3ng h\u00e0ng, n\u1ebfu c\u00f3 v\u1ebft s\u1eb9o h\u00ecnh \u201cl\u01b0\u1ee1i li\u1ec1m nh\u1ecf\u201d, tr\u00ean t\u1edd in s\u1ebd xu\u1ea5t hi\u1ec7n c\u00e1c d\u1ea3i ch\u00e9o r\u1ed9ng, t\u1ee9c l\u00e0 s\u1ebd xu\u1ea5t hi\u1ec7n c\u00e1c d\u1ea3i tr\u1ed1ng.<\/span><\/p>\nT\u1ea5m in l\u00e0 c\u01a1 s\u1edf c\u1ee7a vi\u1ec7c in \u1ea5n v\u00e0 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng in, t\u1ea5m in c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t tr\u01b0\u1edbc khi in. Ki\u1ec3m tra xem c\u00e1c d\u1ea5u ch\u1ea5m c\u00f3 g\u1ecdn g\u00e0ng, \u0111\u1ea7y \u0111\u1ee7 hay kh\u00f4ng, t\u1ea5m in m\u1ea1 crom c\u00f3 \u200b\u200bb\u1ecb m\u1ea5t m\u00e0u hay kh\u00f4ng, t\u1ea5m in v\u0103n b\u1ea3n y\u00eau c\u1ea7u \u0111\u01b0\u1eddng n\u00e9t nguy\u00ean v\u1eb9n, kh\u00f4ng b\u1ecb \u0111\u1ee9t n\u00e9t. T\u1ea5m in ch\u1ec9 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean m\u00e1y in sau khi ki\u1ec3m tra chi ti\u1ebft.<\/span><\/p>\n<\/span>Phi\u00ean b\u1ea3n tr\u01b0\u1edbc<\/strong><\/em><\/span><\/span><\/h4>\nTrong qu\u00e1 tr\u00ecnh n\u1ea1p t\u1ea5m, c\u1ea7n \u0111\u1eb7c bi\u1ec7t ch\u00fa \u00fd \u0111\u1ebfn vi\u1ec7c b\u1ea3o v\u1ec7 t\u1ea5m kh\u1ecfi b\u1ecb d\u1eadp, c\u0103n ch\u1ec9nh c\u00e1c quy t\u1eafc \u1edf mi\u1ec7ng v\u00e0 c\u00e1c quy t\u1eafc k\u00e9o \u0111\u1ea9y, \u0111\u1ed3ng th\u1eddi si\u1ebft ch\u1eb7t xi lanh t\u1ea5m tr\u00ean m\u00e1y in \u0111\u1ec3 ng\u0103n xi lanh t\u1ea5m b\u1ecb l\u1ecfng trong qu\u00e1 tr\u00ecnh ch\u00ednh th\u1ee9c in \u1ea5n.<\/span><\/p>\n<\/span>\u0110i\u1ec1u ch\u1ec9nh c\u00e1c quy t\u1eafc<\/strong><\/em><\/span><\/span><\/h4>\nSau khi c\u00f4ng vi\u1ec7c chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi in ho\u00e0n t\u1ea5t, h\u00e3y hi\u1ec7u ch\u1ec9nh c\u1ea9n th\u1eadn t\u1ea5m in, ki\u1ec3m tra vi\u1ec7c n\u1ea1p gi\u1ea5y, n\u1ea1p gi\u1ea5y, ph\u00e2n ph\u1ed1i gi\u1ea5y v\u00e0 c\u00e1c quy t\u1eafc \u0111\u1ea9y v\u00e0 k\u00e9o, \u0111\u1ed3ng th\u1eddi th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p, \u0111i\u1ec1u ch\u1ec9nh \u00e1p su\u1ea5t, \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee3ng m\u1ef1c cung c\u1ea5p v\u00e0 \u0111i\u1ec1u ch\u1ec9nh l\u01b0\u1ee1i c\u1ea1o.<\/span><\/p>\nVi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh ch\u1ed5i cao su ch\u1ee7 y\u1ebfu li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u1ed5i cao su v\u1edbi t\u1ea5m in v\u00e0 g\u00f3c c\u1ee7a ch\u1ed5i cao su sao cho \u00e1p l\u1ef1c c\u1ee7a ch\u1ed5i cao su l\u00ean t\u1ea5m in \u0111\u1ed3ng \u0111\u1ec1u m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng t\u1ea5m in.<\/span><\/p>\n<\/span>Ch\u00ednh th\u1ee9c in<\/strong><\/em><\/span><\/span><\/h4>\nTrong qu\u00e1 tr\u00ecnh in ch\u00ednh th\u1ee9c, c\u1ea7n ki\u1ec3m tra m\u1eabu th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 xem c\u00e1c ch\u1ea5m \u0111\u00e3 \u0111\u1ea7y \u0111\u1ee7 ch\u01b0a, in ch\u1ed3ng c\u00f3 ch\u00ednh x\u00e1c hay kh\u00f4ng, m\u00e0u m\u1ef1c c\u00f3 s\u00e1ng hay kh\u00f4ng, \u0111\u1ed9 nh\u1edbt v\u00e0 \u0111\u1ed9 kh\u00f4 c\u1ee7a m\u1ef1c c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi t\u1ed1c \u0111\u1ed9 in hay kh\u00f4ng. tr\u00ean b\u1ea3n in c\u00f3 nh\u1eefng v\u1ec7t do l\u01b0\u1ee1i dao c\u1ea1o kh\u00f4ng \u0111\u1ec1u, \u0111\u01b0\u1eddng dao, m\u00e9p dao b\u1ecb g\u00e3y,\u2026<\/span><\/p>\nN\u01a1i l\u00e0m vi\u1ec7c in \u1ed1ng \u0111\u1ed3ng ph\u1ea3i c\u00f3 thi\u1ebft b\u1ecb th\u00f4ng gi\u00f3 t\u1ed1t \u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00ed \u0111\u1ed9c h\u1ea1i v\u00e0 s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb thu h\u1ed3i dung m\u00f4i. C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n tr\u00ean m\u00e1y in ph\u1ea3i \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y n\u1ed5 v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra, b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ph\u00f2ng ng\u1eeba ch\u00e1y n\u1ed5.<\/span><\/p>\n<\/span>T\u00ednh n\u0103ng<\/strong><\/em><\/span>