{"id":1171,"date":"2026-03-10T06:38:26","date_gmt":"2026-03-10T06:38:26","guid":{"rendered":"https:\/\/cn-hawe.com\/?p=1171"},"modified":"2026-03-09T06:44:16","modified_gmt":"2026-03-09T06:44:16","slug":"press-brake-laser-guards-vs-light-curtains","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/press-brake-laser-guards-vs-light-curtains\/","title":{"rendered":"T\u1ea5m ch\u1eafn laser cho m\u00e1y ch\u1ea5n so v\u1edbi m\u00e0n ch\u1eafn \u00e1nh s\u00e1ng: T\u1ea1i sao an to\u00e0n t\u0129nh l\u1ea1i khi\u1ebfn b\u1ea1n m\u1ea5t th\u1eddi gian chu k\u1ef3"},"content":{"rendered":"

Anh ta \u0111ang ch\u1ea1y m\u1ed9t chu tr\u00ecnh 6 gi\u00e2y tr\u00ean th\u00e9p m\u1ec1m 11-gauge. M\u1ed7i nh\u1ecbp, anh ta ph\u1ea3i k\u00e9o tay v\u00e0 th\u00e2n m\u00ecnh l\u00f9i l\u1ea1i 300mm \u0111\u1ec3 tr\u00e1nh m\u00e0n ch\u1eafn s\u00e1ng. N\u0103m tr\u0103m chi ti\u1ebft tr\u00ean \u0111\u01a1n h\u00e0ng. H\u00e3y l\u00e0m ph\u00e9p t\u00ednh: 2 gi\u00e2y l\u00f9i v\u00e0 quay l\u1ea1i m\u1ed7i chu tr\u00ecnh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng g\u1ea7n 17 ph\u00fat cho 500 nh\u1ecbp. Th\u00eam do d\u1ef1, chuy\u1ec3n \u0111\u1ed9ng th\u1ef1c t\u1ebf c\u1ee7a con ng\u01b0\u1eddi, v\u00e0 n\u00f3 d\u1ea7n ti\u1ebfn t\u1edbi g\u1ea7n m\u1ed9t gi\u1edd th\u1eddi gian ch\u1ebft trong m\u1ed9t ca l\u00e0m d\u00e0i.<\/p>\n\n\n\n

Kh\u00f4ng ai t\u00ednh ng\u00e2n s\u00e1ch cho gi\u1edd \u0111\u00f3.<\/p>\n\n\n\n

C\u00e1i b\u1eaby hi\u1ec7u su\u1ea5t: T\u1ea1i sao m\u00e0n ch\u1eafn s\u00e1ng \u201can to\u00e0n\u201d c\u1ee7a b\u1ea1n th\u1ef1c ra l\u1ea1i l\u00e0 n\u00fat c\u1ed5 chai s\u1ea3n xu\u1ea5t<\/h2>\n\n\n\n

M\u00e0n ch\u1eafn s\u00e1ng kh\u00f4ng d\u1eebng l\u1ea1i \u1edf tia s\u00e1ng. Ch\u00fang d\u1eebng l\u1ea1i \u1edf ch\u00ednh c\u00e1c \u0111\u1ecbnh lu\u1eadt v\u1eadt l\u00fd ph\u00eda sau n\u00f3.<\/p>\n\n\n\n

H\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb c\u00f3 th\u1eddi gian ph\u1ea3n h\u1ed3i b\u00ean trong kho\u1ea3ng 20\u201350 mili gi\u00e2y. C\u1ed9ng th\u00eam \u0111\u1ed9 tr\u1ec5 c\u1ee7a ly h\u1ee3p\u2011phanh \u2014 th\u00eam 15\u201330 mili gi\u00e2y \u2014 v\u00e0 r\u1ed3i l\u00e0 th\u1eddi gian d\u1eebng c\u01a1 h\u1ecdc th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y \u00e9p, v\u1ed1n thay \u0111\u1ed5i t\u00f9y theo t\u1ea3i tr\u1ecdng, tr\u1ecdng l\u01b0\u1ee3ng d\u1ee5ng c\u1ee5 v\u00e0 \u0111\u1ed9 m\u00f2n. Khi b\u1ea1n th\u1ef1c hi\u1ec7n b\u00e0i ki\u1ec3m tra tr\u1ee5c khu\u1ef7u 90 \u0111\u1ed9 \u0111\u00fang c\u00e1ch thay v\u00ec tin v\u00e0o t\u1edd gi\u1edbi thi\u1ec7u, b\u1ea1n th\u01b0\u1eddng ph\u00e1t hi\u1ec7n th\u1eddi gian d\u1eebng l\u00e2u h\u01a1n nh\u1eefng g\u00ec b\u1ea1n t\u01b0\u1edfng.<\/p>\n\n\n\n

Th\u1eddi gian d\u1eebng l\u00e2u h\u01a1n ngh\u0129a l\u00e0 kho\u1ea3ng c\u00e1ch an to\u00e0n t\u1ed1i thi\u1ec3u ph\u1ea3i l\u1edbn h\u01a1n. Kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n ngh\u0129a l\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i \u0111\u1ee9ng xa h\u01a1n kh\u1ecfi v\u00f9ng l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n

V\u00ec v\u1eady \u201cd\u1eebng nhanh\u201d tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 h\u00ecnh h\u1ecdc. V\u00e0 h\u00ecnh h\u1ecdc l\u1ea5y \u0111i t\u1eebng gi\u00e2y.<\/p>\n\n\n\n

M\u00e0n ch\u1eafn s\u00e1ng ho\u00e0n to\u00e0n cho ph\u00e9p ti\u1ebfp c\u1eadn m\u1edf cho vi\u1ec7c u\u1ed1n h\u1ed9p v\u00e0 c\u0103n ch\u1ec9nh ch\u1eb7t. T\u00f4i \u0111\u00e3 t\u1eebng v\u1eadn h\u00e0nh ch\u00fang. V\u1edbi c\u00e1c chi ti\u1ebft nh\u1ecf, l\u1eb7p l\u1ea1i, ch\u00fang c\u00f3 v\u1ebb nhanh v\u00ec kh\u00f4ng c\u00f3 v\u1eadt g\u00ec ch\u1eafn b\u1ea1n. Nh\u01b0ng t\u1ed1c \u0111\u1ed9 \u0111\u00f3 ch\u1ec9 gi\u1eef n\u1ebfu v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c t\u1ef1 nhi\u00ean c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 n\u1eb1m ngo\u00e0i v\u00f9ng an to\u00e0n \u0111\u01b0\u1ee3c t\u00ednh. Ngay khi c\u00f4ng vi\u1ec7c bu\u1ed9c anh ta v\u00e0o trong \u201ch\u00e0ng r\u00e0o v\u00f4 h\u00ecnh\u201d \u0111\u00f3, th\u1eddi gian chu tr\u00ecnh b\u1ecb k\u00e9o d\u00e0i.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi kh\u00f4ng ph\u1ea3i l\u00e0 li\u1ec7u ch\u00fang c\u00f3 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh hay kh\u00f4ng. M\u00e0 l\u00e0 li\u1ec7u ch\u00fang c\u00f3 khi\u1ebfn b\u1ea1n t\u1ed5n th\u1ea5t theo c\u00e1ch m\u00e0 b\u1ea1n \u0111\u00e3 th\u00f4i \u0111\u1ec3 \u00fd hay kh\u00f4ng.<\/p>\n\n\n\n

Vi\u1ec7c \u201cl\u00f9i b\u1eaft bu\u1ed9c\u201d c\u00f3 g\u00e2y m\u1ec7t m\u1ecfi th\u1ec3 ch\u1ea5t nhi\u1ec1u h\u01a1n l\u00e0 ng\u0103n ch\u1eb7n n\u00f3 kh\u00f4ng?<\/h3>\n\n\n\n
\"Li\u1ec7u<\/figure>\n\n\n\n

H\u00e3y quan s\u00e1t m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0o gi\u1edd th\u1ee9 b\u1ea3y.<\/p>\n\n\n\n

Anh ta nghi\u00eang v\u00e0o 220mm \u0111\u1ec3 c\u0103n m\u00e9p b\u00edch v\u00e0o c\u00e1c ng\u00f3n g\u00e1 ph\u00eda sau. Nh\u1ecbp. Anh ta d\u1ed3n tr\u1ecdng l\u01b0\u1ee3ng ra sau v\u01b0\u1ee3t qua \u0111\u01b0\u1eddng m\u00e0n ch\u1eafn. M\u00e1y \u00e9p \u0111\u1eb7t l\u1ea1i. Anh ta l\u1ea1i nghi\u00eang v\u00e0o.<\/p>\n\n\n\n

Chuy\u1ec3n \u0111\u1ed9ng l\u1eafc \u0111\u00f3 tr\u00f4ng c\u00f3 v\u1ebb nh\u1ecf. Qua 3.000 chu tr\u00ecnh, n\u00f3 tr\u1edf th\u00e0nh h\u00e0ng ngh\u00ecn c\u00fa n\u1eeda ng\u1ed3i xu\u1ed1ng v\u00e0 u\u1ed1n c\u1ed9t s\u1ed1ng vi m\u00f4.<\/p>\n\n\n\n

S\u1ef1 m\u1ec7t m\u1ecfi kh\u00f4ng xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng ch\u1ea5n th\u01b0\u01a1ng r\u00f5 r\u1ec7t. N\u00f3 xu\u1ea5t hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng \u0111\u1eb7t tay ch\u1eadm h\u01a1n, nhi\u1ec1u c\u00fa \u0111\u00e1nh l\u1ea1i h\u01a1n, nhi\u1ec1u l\u1ea7n n\u1ea1p sai h\u01a1n. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh b\u1eaft \u0111\u1ea7u c\u0103n th\u1eddi gian m\u00e1y thay v\u00ec t\u1eadp trung v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng chi ti\u1ebft. Th\u1eddi gian ph\u1ea3n \u1ee9ng gi\u1ea3m xu\u1ed1ng. Tr\u1edb tr\u00eau thay, h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m r\u1ee7i ro l\u1ea1i t\u1ea1o ra m\u1ed9t con ng\u01b0\u1eddi m\u1ec7t m\u1ecfi \u0111\u1ee9ng ngay ngo\u00e0i v\u00f9ng nguy hi\u1ec3m, ch\u1edd \u0111\u1ec3 lao l\u1ea1i v\u00e0o trong.<\/p>\n\n\n\n

V\u00e0 m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u1ec7t m\u1ecfi l\u00e0 m\u1ed9t ng\u01b0\u1eddi s\u00e1ng t\u1ea1o.<\/p>\n\n\n\n

Vi\u1ec7c l\u00e0m m\u1edd v\u00e0 v\u01b0\u1ee3t qua: C\u00e1c c\u00e1ch l\u00e1ch c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 khi\u1ebfn m\u00e0n ch\u1eafn t\u0129nh c\u1ee7a b\u1ea1n tr\u1edf n\u00ean v\u00f4 d\u1ee5ng kh\u00f4ng?<\/h3>\n\n\n\n
\"Vi\u1ec7c<\/figure>\n\n\n\n

T\u00f4i \u0111\u00e3 b\u01b0\u1edbc v\u00e0o nh\u1eefng x\u01b0\u1edfng n\u01a1i c\u00f3 m\u1ed9t s\u1ee3i d\u00e2y cao su gi\u1eef n\u00fat l\u00e0m m\u1edd lu\u00f4n \u1edf tr\u1ea1ng th\u00e1i b\u1eadt.<\/p>\n\n\n\n

Kh\u00f4ng ph\u1ea3i v\u00ec ch\u1ee7 x\u01b0\u1edfng kh\u00f4ng quan t\u00e2m. M\u00e0 v\u00ec c\u00f4ng vi\u1ec7c y\u00eau c\u1ea7u 150 chi ti\u1ebft m\u1ed7i gi\u1edd v\u00e0 m\u00e0n ch\u1eafn li\u00ean t\u1ee5c ng\u1eaft trong l\u00fac u\u1ed1n h\u1ed9p. Khi h\u1ec7 th\u1ed1ng c\u1ea3n tr\u1edf s\u1ea3n xu\u1ea5t, s\u1ea3n xu\u1ea5t s\u1ebd t\u00ecm \u0111\u01b0\u1eddng v\u00f2ng qua n\u00f3.<\/p>\n\n\n\n

V\u00f4 hi\u1ec7u tia. L\u00e0m m\u1edd m\u1ed9t ph\u1ea7n. \u201cT\u1ea1m th\u1eddi\u201d ghi \u0111\u00e8 m\u00e0 ch\u1eb3ng bao gi\u1edd \u0111\u01b0\u1ee3c g\u1ee1 b\u1ecf.<\/p>\n\n\n\n

Huy\u1ec1n tho\u1ea1i v\u1ec1 an to\u00e0n: \u201cN\u1ebfu \u0111\u00e3 l\u1eafp \u0111\u1eb7t th\u00ec n\u00f3 \u0111ang b\u1ea3o v\u1ec7 b\u1ea1n.\u201d<\/strong><\/em><\/p>\n\n\n\n

N\u1ebfu m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a n\u00f3 ch\u1ec9 b\u1eb1ng m\u1ed9t s\u1ee3i d\u00e2y cao su tr\u1ecb gi\u00e1 3 xu, th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 bi\u1ec7n ph\u00e1p ki\u1ec3m so\u00e1t \u2014 \u0111\u00f3 ch\u1ec9 l\u00e0 m\u1ed9t g\u1ee3i \u00fd.<\/p>\n\n\n\n

C\u00f4ng b\u1eb1ng m\u00e0 n\u00f3i, r\u00e8m \u00e1nh s\u00e1ng v\u00e0 h\u1ec7 th\u1ed1ng laser th\u01b0\u1eddng \u0111i \u0111\u00f4i v\u1edbi nhau. R\u00e8m \u00e1nh s\u00e1ng x\u1eed l\u00fd c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u00e0i \u0111\u1eb7t n\u01a1i thi\u1ebft b\u1ecb \u0111\u1ed9ng c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n qu\u00e1 m\u1ee9c. Nh\u01b0ng \u0111\u00e2y l\u00e0 s\u1ef1 th\u1eadt trong v\u1eadn h\u00e0nh: c\u00e0ng d\u1ef1a v\u00e0o vi\u1ec7c gi\u1eef ng\u01b0\u1eddi \u1edf kho\u1ea3ng c\u00e1ch c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n, th\u00ec c\u00e0ng c\u00f3 nhi\u1ec1u c\u00e1m d\u1ed7 \u0111\u1ec3 gian l\u1eadn khi kho\u1ea3ng c\u00e1ch \u0111\u00f3 c\u1ea3n tr\u1edf n\u0103ng su\u1ea5t.<\/p>\n\n\n\n

Khi an to\u00e0n v\u00e0 t\u1ed1c \u0111\u1ed9 \u0111\u1ed1i \u0111\u1ea7u, t\u1ed1c \u0111\u1ed9 th\u01b0\u1eddng th\u1eafng tr\u00ean s\u00e0n s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

\u0110i\u1ec1u \u0111\u00f3 n\u00f3i g\u00ec v\u1edbi b\u1ea1n v\u1ec1 m\u1ed9t h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean kho\u1ea3ng c\u00e1ch t\u0129nh?<\/p>\n\n\n\n

Chi ph\u00ed \u1ea9n khi bu\u1ed9c ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i \u0111\u1ee9ng ngo\u00e0i v\u00f9ng l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c c\u00f4ng vi\u1ec7c nhi\u1ec1u lo\u1ea1i h\u00ecnh<\/h3>\n\n\n\n
\"Chi<\/figure>\n\n\n\n

C\u00f4ng vi\u1ec7c c\u00f3 nhi\u1ec1u lo\u1ea1i h\u00ecnh l\u00e0 n\u01a1i v\u1ea5n \u0111\u1ec1 n\u00e0y th\u1ef1c s\u1ef1 ph\u00e1t sinh.<\/p>\n\n\n\n

M\u1ed9t ph\u00fat tr\u01b0\u1edbc l\u00e0 m\u1eb7t b\u00edch 40mm. Ti\u1ebfp theo l\u00e0 h\u1ed9p s\u00e2u c\u00f3 th\u00e0nh cao 120mm. Sau \u0111\u00f3 l\u00e0 m\u1eb7t b\u00edch g\u1eadp ng\u01b0\u1ee3c bu\u1ed9c b\u00e0n tay ph\u1ea3i ch\u1ed1ng b\u00ean trong khu\u00f4n cho \u0111\u1ebfn khi c\u00f2n 15mm h\u00e0nh tr\u00ecnh cu\u1ed1i c\u00f9ng. M\u1ed7i thay \u0111\u1ed5i v\u1ec1 h\u00ecnh d\u1ea1ng \u0111\u1ec1u l\u00e0m thay \u0111\u1ed5i v\u1ecb tr\u00ed \u0111\u1ee9ng t\u1ef1 nhi\u00ean c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

M\u1ed9t r\u00e8m \u00e1nh s\u00e1ng t\u0129nh kh\u00f4ng \u0111\u1ec3 \u00fd \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i c\u1ee7a chi ti\u1ebft. Tr\u01b0\u1eddng b\u1ea3o v\u1ec7 c\u1ee7a n\u00f3 v\u1eabn c\u1ed1 \u0111\u1ecbnh trong kh\u00f4ng gian.<\/p>\n\n\n\n

V\u00ec v\u1eady, ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u1ef1 \u0111i\u1ec1u ch\u1ec9nh \u2014 v\u01b0\u01a1n tay xa h\u01a1n, c\u1ed5 tay \u1edf g\u00f3c kh\u00f3, b\u01b0\u1edbc ngang 300mm \u0111\u1ec3 tr\u00e1nh l\u01b0\u1edbi tr\u01b0\u1edbc m\u1ed7i c\u00fa d\u1eadp. V\u1edbi m\u1ed9t gi\u00e1 \u0111\u1ee1 \u0111\u01a1n gi\u1ea3n, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n m\u1ea5t v\u00e0i gi\u00e2y. V\u1edbi m\u1ed9t h\u1ed9p ph\u1ee9c t\u1ea1p c\u00f3 n\u0103m l\u1ea7n u\u1ed1n, n\u00f3 s\u1ebd t\u00edch l\u0169y th\u1eddi gian \u1edf m\u1ed7i l\u1ea7n thay \u0111\u1ed5i v\u1ecb tr\u00ed.<\/p>\n\n\n\n

Nh\u00e2n \u0111i\u1ec1u \u0111\u00f3 l\u00ean v\u1edbi 40 l\u1ea7n \u0111\u1ed5i c\u00f4ng vi\u1ec7c m\u1ed7i tu\u1ea7n.<\/p>\n\n\n\n

B\u1ea1n b\u1eaft \u0111\u1ea7u th\u1ea5y nh\u1eefng l\u1ea7n kh\u00f4ng \u0111\u1ea1t th\u1eddi gian chu k\u1ef3 s\u1ea3n xu\u1ea5t kh\u00f4ng ph\u1ea3i v\u00ec m\u00e1y \u00e9p ch\u1eadm, m\u00e0 v\u00ec h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 c\u1ee7a b\u1ea1n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 m\u1ed9t h\u00e0ng r\u00e0o quanh m\u1ed9t m\u00e1y di \u0111\u1ed9ng. M\u00e1y th\u00ec di chuy\u1ec3n. H\u00e0ng r\u00e0o th\u00ec kh\u00f4ng.<\/p>\n\n\n\n

N\u1ebfu an to\u00e0n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1eb1ng vi\u1ec7c ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i \u0111\u1ee9ng c\u00e1ch xa m\u1ed1i nguy bao nhi\u00eau, th\u00ec \u0111i\u1ec1u g\u00ec x\u1ea3y ra khi ph\u01b0\u01a1ng \u00e1n th\u00f4ng minh h\u01a1n l\u00e0 b\u1ea3o v\u1ec7 anh ta \u1edf kho\u1ea3ng c\u00e1ch 14mm t\u1eeb dao d\u1eadp thay v\u00ec 300mm?<\/p>\n\n\n\n

L\u01b0\u1edbi t\u0129nh so v\u1edbi v\u00f9ng \u0111\u1ed9ng: V\u1eadt l\u00fd c\u1ee7a b\u1ea3o v\u1ec7 theo chuy\u1ec3n \u0111\u1ed9ng d\u1ee5ng c\u1ee5<\/h2>\n\n\n\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng \u0111\u1ea7u dao d\u1eadp c\u00e1ch t\u1ea5m kim lo\u1ea1i 14mm. Kh\u00f4ng ph\u1ea3i 300mm l\u00f9i v\u1ec1 \u0111\u01b0\u1eddng ng\u1ef1c c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh. M\u01b0\u1eddi b\u1ed1n! \u0110\u00f3 g\u1ea7n b\u1eb1ng \u0111\u1ed9 d\u00e0y c\u1ee7a n\u1eafp b\u00fat Sharpie. \u0110\u00f3 ch\u00ednh l\u00e0 n\u01a1i \u0111i\u1ec3m k\u1eb9p th\u1ef1c s\u1ef1 h\u00ecnh th\u00e0nh khi d\u1ee5ng c\u1ee5 tr\u00ean \u0111\u00f3ng l\u00ean khu\u00f4n V.<\/p>\n\n\n\n

M\u1ed9t r\u00e8m \u00e1nh s\u00e1ng t\u0129nh t\u1ea1o ra m\u1ed9t b\u1ee9c t\u01b0\u1eddng v\u00f4 h\u00ecnh \u1edf \u0111\u00e2u \u0111\u00f3 ph\u00eda tr\u01b0\u1edbc \u2014 \u0111\u01b0\u1ee3c t\u00ednh t\u1eeb t\u1ed5ng th\u1eddi gian d\u1eebng, \u0111\u1ed9 tr\u1ec5 ly h\u1ee3p, \u0111\u1ed9 v\u01b0\u1ee3t ch\u1ea1y th\u1ee7y l\u1ef1c, t\u1ea5t c\u1ea3 c\u1ed9ng l\u1ea1i. N\u00f3 b\u1ea3o v\u1ec7 b\u1eb1ng kho\u1ea3ng c\u00e1ch. H\u1ec7 th\u1ed1ng laser b\u1ea3o v\u1ec7 b\u1eb1ng \u0111\u1ed9 g\u1ea7n.<\/p>\n\n\n\n

S\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 nghe c\u00f3 v\u1ebb nh\u1ecf cho \u0111\u1ebfn khi b\u1ea1n theo d\u00f5i th\u1ee9 g\u00ec th\u1ef1c s\u1ef1 di chuy\u1ec3n trong m\u1ed7i c\u00fa d\u1eadp.<\/p>\n\n\n\n

M\u1ed9t r\u00e8m \u00e1nh s\u00e1ng t\u1ea1o ra m\u1ed9t l\u01b0\u1edbi h\u00ecnh ch\u1eef nh\u1eadt c\u1ed1 \u0111\u1ecbnh trong kh\u00f4ng gian. \u0110\u1ea7u \u00e9p di chuy\u1ec3n xuy\u00ean qua n\u00f3, nh\u01b0ng tr\u01b0\u1eddng b\u1ea3o v\u1ec7 kh\u00f4ng di chuy\u1ec3n c\u00f9ng \u0111\u1ea7u \u00e9p. V\u1eady n\u00ean khi dao d\u1eadp \u1edf c\u00e1ch khu\u00f4n 120mm, r\u00e8m \u0111\u00e3 th\u1ef1c thi c\u00f9ng m\u1ed9t ranh gi\u1edbi m\u00e0 n\u00f3 s\u1ebd th\u1ef1c thi \u1edf 2mm tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac. N\u00f3 kh\u00f4ng bi\u1ebft nguy hi\u1ec3m th\u1ef1c s\u1ef1 b\u1eaft \u0111\u1ea7u \u1edf \u0111\u00e2u; n\u00f3 ch\u1ec9 bi\u1ebft kho\u1ea3ng c\u00e1ch d\u1eebng trong tr\u01b0\u1eddng h\u1ee3p x\u1ea5u nh\u1ea5t.<\/p>\n\n\n\n

M\u1ed9t laser theo d\u1ee5ng c\u1ee5 \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean d\u1ea7m tr\u00ean v\u00e0 chi\u1ebfu m\u1ed9t tr\u01b0\u1eddng c\u1ea3m bi\u1ebfn n\u1eb1m ngang ngay d\u01b0\u1edbi \u0111\u1ea7u dao d\u1eadp. Khi \u0111\u1ea7u \u00e9p \u0111i xu\u1ed1ng, tr\u01b0\u1eddng c\u1ea3m bi\u1ebfn \u0111\u00f3 h\u1ea1 xu\u1ed1ng c\u00f9ng n\u00f3 \u2014 theo d\u00f5i d\u1ee5ng c\u1ee5 trong ph\u1ea1m vi kho\u1ea3ng 14mm t\u1eeb \u0111\u1ea7u tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c hi\u1ec7n \u0111\u1ea1i v\u1edbi kh\u1ea3 n\u0103ng d\u1eebng ch\u00ednh x\u00e1c cao. M\u1ed1i nguy di chuy\u1ec3n. B\u1ea3o v\u1ec7 c\u0169ng di chuy\u1ec3n theo.<\/p>\n\n\n\n

\u0110\u00f3 kh\u00f4ng c\u00f2n l\u00e0 h\u00e0ng r\u00e0o n\u1eefa. \u0110\u00f3 l\u00e0 ng\u01b0\u1eddi quan s\u00e1t \u0111i s\u00e1t vai v\u1edbi d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

Nh\u01b0ng vi\u1ec7c theo d\u00f5i dao d\u1eadp c\u00f3 th\u1ef1c s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec1u g\u00ec trong th\u1ebf gi\u1edbi th\u1ef1c, hay ch\u1ec9 l\u00e0 m\u1ed9t h\u00ecnh minh h\u1ecda \u0111\u1eb9p h\u01a1n tr\u00ean t\u1edd qu\u1ea3ng c\u00e1o?<\/p>\n\n\n\n

Ch\u1eb7n chu vi so v\u1edbi theo d\u00f5i t\u1ea1i \u0111i\u1ec3m v\u1eadn h\u00e0nh: Th\u1ef1c s\u1ef1 c\u00f3 g\u00ec thay \u0111\u1ed5i?<\/h3>\n\n\n\n

H\u00e3y ch\u1ea1y m\u1ed9t t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

Ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111ang c\u0103n ch\u1ec9nh m\u1ed9t h\u1ed9p s\u00e2u 120mm. Tay tr\u00e1i c\u1ee7a anh ta c\u00e1ch \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a c\u00fa \u0111\u1ea5m 18mm, c\u00e1c ng\u00f3n tay \u0111\u1ee1 m\u00e9p b\u00ean trong v\u00f9ng khu\u00f4n. V\u1edbi h\u1ec7 th\u1ed1ng r\u00e8m \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n \u1edf kho\u1ea3ng c\u00e1ch an to\u00e0n, ch\u1eb3ng h\u1ea1n 280mm d\u1ef1a tr\u00ean th\u1eddi gian d\u1eebng, anh ta ph\u1ea3i r\u00fat tay ho\u00e0n to\u00e0n tr\u01b0\u1edbc khi h\u00e0nh tr\u00ecnh xu\u1ed1ng b\u1eaft \u0111\u1ea7u. H\u1ec7 th\u1ed1ng kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa \u201ctay g\u1ea7n nh\u01b0ng an to\u00e0n\u201d v\u00e0 \u201ctay trong v\u00f9ng k\u1eb9p.\u201d N\u00f3 ch\u1ec9 nh\u1eadn th\u1ea5y vi ph\u1ea1m chu vi.<\/p>\n\n\n\n

V\u1edbi laser theo \u0111i\u1ec3m v\u1eadn h\u00e0nh, m\u00e1y ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 an to\u00e0n trong khi tay anh ta v\u1eabn \u1edf trong v\u00f9ng. T\u1ed1c \u0111\u1ed9 an to\u00e0n theo h\u1ea7u h\u1ebft quy \u0111\u1ecbnh v\u1ec1 thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 quang h\u1ecdc v\u00f9ng ngh\u0129a l\u00e0 d\u01b0\u1edbi 10mm m\u1ed7i gi\u00e2y cho \u0111\u1ebfn \u0111i\u1ec3m t\u1eaft ti\u1ebfng. \u0110\u00fang l\u00e0 ch\u1eadm, nh\u01b0ng n\u00f3 cho ph\u00e9p \u0111\u1ecbnh v\u1ecb tay b\u00ean trong m\u00e0 kh\u00f4ng l\u00e0m h\u1ec7 th\u1ed1ng b\u00e1o l\u1ed7i, v\u00ec tia laser gi\u00e1m s\u00e1t ch\u00ednh x\u00e1c \u0111\u01b0\u1eddng k\u1eb9p th\u1ef1c t\u1ebf n\u1eb1m 14mm d\u01b0\u1edbi c\u00fa \u0111\u1ea5m, kh\u00f4ng ph\u1ea3i kh\u00f4ng kh\u00ed tr\u1ed1ng c\u00e1ch \u0111\u00f3 300mm.<\/p>\n\n\n\n

S\u1ef1 thay \u0111\u1ed5i l\u00e0 v\u1ec1 h\u00ecnh h\u1ecdc.<\/p>\n\n\n\n

R\u00e8m t\u0129nh: an to\u00e0n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t kh\u1ed1i h\u1ed9p ch\u1eef nh\u1eadt ph\u00eda tr\u01b0\u1edbc m\u00e1y.<\/p>\n\n\n\n

Laser theo d\u1ee5ng c\u1ee5: an to\u00e0n \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 m\u1ed9t m\u1eb7t ph\u1eb3ng di \u0111\u1ed9ng ngay d\u01b0\u1edbi m\u00e9p d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

Khi v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c t\u1ef1 nhi\u00ean c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 n\u1eb1m ngo\u00e0i v\u00f9ng an to\u00e0n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, c\u1ea3 hai h\u1ec7 th\u1ed1ng \u0111\u1ec1u c\u1ea3m th\u1ea5y nhanh. Nh\u01b0ng ngay khi c\u00f4ng vi\u1ec7c y\u00eau c\u1ea7u \u0111\u1eb7t ng\u00f3n tay b\u00ean trong kh\u1ed1i h\u1ed9p \u0111\u00f3\u2014nh\u1eefng \u0111o\u1ea1n g\u1ea5p kh\u00edt, thi\u1ebft l\u1eadp m\u00e9p g\u1ea5p, ho\u1eb7c v\u1ecb tr\u00ed l\u1ec7ch kh\u00f3 x\u1eed\u2014r\u00e8m bu\u1ed9c ph\u1ea3i r\u00fat tay ho\u00e0n to\u00e0n. Laser cho ph\u00e9p s\u1ef1 hi\u1ec7n di\u1ec7n c\u00f3 ki\u1ec3m so\u00e1t cho \u0111\u1ebfn khi nguy hi\u1ec3m th\u1ef1c s\u1ef1 x\u1ea3y ra.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed9ng mang l\u1ea1i c\u1ea3m gi\u00e1c kh\u00e1c bi\u1ec7t trong c\u00f4ng vi\u1ec7c c\u00f3 \u0111\u1ed9 \u0111a d\u1ea1ng cao. Ch\u00fang thu nh\u1ecf th\u1ec3 t\u00edch b\u1ea3o v\u1ec7 t\u1eeb \u201ct\u1ea5t c\u1ea3 m\u1ecdi th\u1ee9 ph\u00eda tr\u01b0\u1edbc m\u00e1y u\u1ed1n\u201d th\u00e0nh \u201cch\u1ec9 ph\u1ea7n s\u1eafp b\u1ecb k\u1eb9p.\u201d<\/p>\n\n\n\n

C\u00f3 m\u1ed9t l\u01b0u \u00fd v\u1ec1 lo\u1ea1i m\u00e1y. M\u00e1y u\u1ed1n c\u01a1 h\u1ecdc v\u1edbi kho\u1ea3ng c\u00e1ch d\u1eebng c\u1ed1 \u0111\u1ecbnh d\u00e0i\u2014\u0111\u00f4i khi \u0111o b\u1eb1ng feet ch\u1ee9 kh\u00f4ng ph\u1ea3i milimet\u2014kh\u00f4ng th\u1ec3 h\u1ed7 tr\u1ee3 theo d\u00f5i ch\u00ednh x\u00e1c. \u0110\u1ed9 v\u01b0\u1ee3t qu\u00e1 c\u1ee7a ch\u00fang khi\u1ebfn vi\u1ec7c t\u1eaft ti\u1ebfng ch\u00ednh x\u00e1c tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin. V\u1edbi nh\u1eefng m\u00e1y \u0111\u00f3, b\u1ea1n ph\u1ea3i quay l\u1ea1i d\u00f9ng r\u00e0o ch\u1eafn v\u00e0 kho\u1ea3ng c\u00e1ch l\u1edbn v\u00ec v\u1eadt l\u00fd kh\u00f4ng cho ph\u00e9p. M\u00e1y th\u1ee7y l\u1ef1c v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng servo hi\u1ec7n \u0111\u1ea1i v\u1edbi th\u1eddi gian d\u1eebng \u1ed5n \u0111\u1ecbnh l\u00e0 n\u01a1i theo d\u00f5i theo d\u1ee5ng c\u1ee5 th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng.<\/p>\n\n\n\n

V\u00ec v\u1eady h\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n. Nh\u01b0ng ch\u1ec9 h\u00ecnh h\u1ecdc th\u00f4i s\u1ebd kh\u00f4ng gi\u00fap t\u0103ng t\u1ed1c chu k\u1ef3 tr\u1eeb khi m\u00e1y c\u00f3 th\u1ec3 d\u1eebng \u0111\u1ee7 nhanh \u0111\u1ec3 ch\u1ee9ng minh cho tuy\u00ean b\u1ed1 14mm \u0111\u00f3.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y \u0111\u01b0a ch\u00fang ta \u0111\u1ebfn \u0111\u01a1n v\u1ecb t\u00ednh b\u1eb1ng mili gi\u00e2y.<\/p>\n\n\n\n

Kh\u00eda c\u1ea1nh<\/th>Ch\u1eb7n Chu Vi (R\u00e8m \u00c1nh S\u00e1ng)<\/th>Theo D\u00f5i T\u1ea1i \u0110i\u1ec3m V\u1eadn H\u00e0nh (Laser Theo D\u1ee5ng C\u1ee5)<\/th><\/tr><\/thead>
Logic An To\u00e0n C\u01a1 B\u1ea3n<\/td>Ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp v\u00e0o v\u00f9ng chu vi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc<\/td>Gi\u00e1m s\u00e1t \u0111i\u1ec3m k\u1eb9p th\u1ef1c t\u1ebf ngay d\u01b0\u1edbi d\u1ee5ng c\u1ee5<\/td><\/tr>
H\u00ecnh H\u1ecdc An To\u00e0n<\/td>Kh\u1ed1i h\u1ed9p ch\u1eef nh\u1eadt c\u1ed1 \u0111\u1ecbnh ph\u00eda tr\u01b0\u1edbc m\u00e1y<\/td>M\u1eb7t ph\u1eb3ng di \u0111\u1ed9ng ngay d\u01b0\u1edbi m\u00e9p d\u1ee5ng c\u1ee5<\/td><\/tr>
K\u1ecbch b\u1ea3n v\u00ed d\u1ee5<\/td>Tay c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00e1ch \u0111\u01b0\u1eddng t\u00e2m ch\u00e0y 18mm v\u1eabn k\u00edch ho\u1ea1t h\u1ec7 th\u1ed1ng n\u1ebfu n\u1eb1m trong ph\u1ea1m vi<\/td>Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u1eb7t tay g\u1ea7n ch\u00e0y; h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t trong ph\u1ea1m vi 14mm b\u00ean d\u01b0\u1edbi ch\u00e0y<\/td><\/tr>
H\u00e0nh \u0111\u1ed9ng b\u1eaft bu\u1ed9c c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/td>R\u00fat tay ho\u00e0n to\u00e0n tr\u01b0\u1edbc khi h\u00e0nh tr\u00ecnh xu\u1ed1ng b\u1eaft \u0111\u1ea7u<\/td>Tay \u0111\u01b0\u1ee3c ph\u00e9p \u1edf trong v\u00f9ng \u1edf t\u1ed1c \u0111\u1ed9 an to\u00e0n cho \u0111\u1ebfn \u0111i\u1ec3m t\u1eaft c\u1ea3m bi\u1ebfn<\/td><\/tr>
V\u1eadn h\u00e0nh t\u1ed1c \u0111\u1ed9 an to\u00e0n<\/td>Kh\u00f4ng \u00e1p d\u1ee5ng; m\u00e1y s\u1ebd d\u1eebng n\u1ebfu v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi b\u1ea3o v\u1ec7<\/td>Ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 d\u01b0\u1edbi 10mm\/gi\u00e2y cho \u0111\u1ebfn \u0111i\u1ec3m t\u1eaft c\u1ea3m bi\u1ebfn khi ph\u00e1t hi\u1ec7n tay<\/td><\/tr>
\u0110\u1ed9 nh\u1ea1y v\u1edbi v\u1ecb tr\u00ed tay<\/td>Kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t gi\u1eefa \u201cg\u1ea7n nh\u01b0ng an to\u00e0n\u201d v\u00e0 \u201ctrong v\u00f9ng k\u1eb9p\u201d<\/td>Ph\u00e1t hi\u1ec7n nguy hi\u1ec3m th\u1ef1c t\u1ebf t\u1ea1i \u0111\u01b0\u1eddng k\u1eb9p<\/td><\/tr>
\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c c\u00f4ng vi\u1ec7c ch\u1eb7t ho\u1eb7c ph\u1ee9c t\u1ea1p<\/td>Bu\u1ed9c ph\u1ea3i r\u00fat tay ho\u00e0n to\u00e0n trong c\u00e1c chu tr\u00ecnh ng\u1eafn, \u00e9p g\u1eadp, b\u00f9 tr\u1eeb<\/td>Cho ph\u00e9p duy tr\u00ec ki\u1ec3m so\u00e1t cho \u0111\u1ebfn khi c\u00f3 nguy hi\u1ec3m th\u1eadt s\u1ef1<\/td><\/tr>
\u1ea2nh h\u01b0\u1edfng \u0111\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c \u0111a d\u1ea1ng cao<\/td>C\u1ea3m th\u1ea5y b\u1ecb h\u1ea1n ch\u1ebf khi c\u1ea7n \u0111\u1ecbnh v\u1ecb l\u1ea1i th\u01b0\u1eddng xuy\u00ean<\/td>C\u1ea3m th\u1ea5y hi\u1ec7u qu\u1ea3 h\u01a1n do v\u00f9ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c thu nh\u1ecf<\/td><\/tr>
V\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7<\/td>\u201cM\u1ecdi th\u1ee9 ph\u00eda tr\u01b0\u1edbc m\u00e1y phanh\u201d<\/td>\u201cCh\u1ec9 nh\u1eefng g\u00ec s\u1eafp b\u1ecb \u00e9p nghi\u1ec1n\u201d<\/td><\/tr>
T\u01b0\u01a1ng th\u00edch v\u1edbi m\u00e1y<\/td>Ho\u1ea1t \u0111\u1ed9ng tr\u00ean h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i m\u00e1y, bao g\u1ed3m c\u1ea3 lo\u1ea1i c\u01a1 kh\u00ed<\/td>Ph\u00f9 h\u1ee3p nh\u1ea5t cho h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c v\u00e0 servo hi\u1ec7n \u0111\u1ea1i v\u1edbi th\u1eddi gian d\u1eebng \u1ed5n \u0111\u1ecbnh<\/td><\/tr>
Gi\u1edbi h\u1ea1n tr\u00ean m\u00e1y ch\u1ea5n c\u01a1 kh\u00ed<\/td>Kho\u1ea3ng c\u00e1ch d\u1eebng l\u1edbn \u0111\u00f2i h\u1ecfi v\u00f9ng an to\u00e0n l\u1edbn h\u01a1n<\/td>Qu\u00e1n t\u00ednh v\u01b0\u1ee3t qu\u00e1 khi\u1ebfn vi\u1ec7c t\u1eaft t\u1ea1m th\u1eddi ch\u00ednh x\u00e1c tr\u1edf n\u00ean kh\u00f4ng \u0111\u00e1ng tin c\u1eady<\/td><\/tr>
Ph\u1ee5 thu\u1ed9c v\u00e0o th\u1eddi gian d\u1eebng<\/td>Kho\u1ea3ng c\u00e1ch an to\u00e0n t\u0103ng l\u00ean khi th\u1eddi gian d\u1eebng d\u00e0i h\u01a1n (v\u00ed d\u1ee5: 280mm)<\/td>Theo d\u00f5i s\u00e1t (v\u00ed d\u1ee5: 14mm) ch\u1ec9 h\u1ee3p l\u1ec7 n\u1ebfu m\u00e1y d\u1eebng nhanh<\/td><\/tr>
\u1ea2nh h\u01b0\u1edfng \u0111\u1ebfn th\u1eddi gian chu k\u1ef3<\/td>Hi\u1ec7u su\u1ea5t gi\u1ea3m khi ph\u1ea3i r\u00fat v\u1eadt li\u1ec7u th\u01b0\u1eddng xuy\u00ean<\/td>Hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n n\u1ebfu m\u00e1y c\u00f3 th\u1ec3 d\u1eebng \u0111\u1ee7 nhanh \u0111\u1ec3 cho ph\u00e9p theo d\u00f5i s\u00e1t<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

T\u1ed1c \u0111\u1ed9 so v\u1edbi kho\u1ea3ng c\u00e1ch d\u1eebng: T\u1ea1i sao mili-gi\u00e2y l\u1ea1i quan tr\u1ecdng \u1edf \u0111i\u1ec3m k\u1eb9p cu\u1ed1i c\u00f9ng<\/h3>\n\n\n\n

L\u1ea5y v\u00ed d\u1ee5 m\u1ed9t phanh th\u1ee7y l\u1ef1c v\u1edbi th\u1eddi gian d\u1eebng \u0111\u00e3 ki\u1ec3m ch\u1ee9ng l\u00e0 60 mili-gi\u00e2y \u1edf t\u1ed1c \u0111\u1ed9 u\u1ed1n. \u1ede t\u1ed1c \u0111\u1ed9 an to\u00e0n 10mm m\u1ed7i gi\u00e2y, trong 60 mili-gi\u00e2y, tr\u1ee5c tr\u01b0\u1ee3t di chuy\u1ec3n 0,6mm. \u0110\u00f3 l\u00e0 ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd. \u0110\u00f3 l\u00e0 t\u00ednh to\u00e1n c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n.<\/p>\n\n\n\n

B\u00e2y gi\u1edd \u0111\u1ea9y m\u00e1y v\u00e0o ch\u1ebf \u0111\u1ed9 ti\u1ebfp c\u1eadn t\u1ed1c \u0111\u1ed9 cao\u2014gi\u1ea3 s\u1eed 200mm m\u1ed7i gi\u00e2y. Trong 60 mili-gi\u00e2y, tr\u1ee5c tr\u01b0\u1ee3t di chuy\u1ec3n 12mm. \u0110\u1ed9t nhi\u00ean bi\u00ean theo d\u00f5i 14mm c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f2n l\u00e0 l\u00fd thuy\u1ebft n\u1eefa; n\u00f3 g\u1ea7n nh\u01b0 b\u1ecb ti\u00eau th\u1ee5 ho\u00e0n to\u00e0n b\u1edfi chuy\u1ec3n \u0111\u1ed9ng khi d\u1eebng.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao ki\u1ec3m tra th\u1eddi gian d\u1eebng quan tr\u1ecdng h\u01a1n b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. T\u00f4i \u0111\u00e3 th\u1ea5y nh\u1eefng m\u00e1y ch\u1ea5n \u0111\u01b0\u1ee3c qu\u1ea3ng c\u00e1o v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn cao, nh\u01b0ng khi ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n ki\u1ec3m tra 90 \u0111\u1ed9 \u0111\u00fang chu\u1ea9n, kho\u1ea3ng c\u00e1ch d\u1eebng th\u1ef1c t\u1ebf bu\u1ed9c \u0111i\u1ec3m thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 ph\u1ea3i cao h\u01a1n nhi\u1ec1u\u2014\u0111\u00f4i khi h\u01a1n 20mm so v\u1edbi t\u1ea5m v\u1eadt li\u1ec7u. \u0110i\u1ec1u \u0111\u00f3 x\u00f3a s\u1ea1ch l\u1ee3i th\u1ebf. B\u1ea1n c\u01a1 b\u1ea3n \u0111ang b\u00f2 ch\u1eadm ch\u1ea1p 20mm cu\u1ed1i c\u00f9ng m\u1ed7i chu k\u1ef3.<\/p>\n\n\n\n

V\u00e0 th\u1eddi gian b\u00f2 ch\u1eadm s\u1ebd c\u1ed9ng d\u1ed3n.<\/p>\n\n\n\n

V\u1edbi m\u1ed9t chu k\u1ef3 6 gi\u00e2y, n\u1ebfu 20mm cu\u1ed1i b\u1ecb gi\u1edbi h\u1ea1n \u1edf 10mm m\u1ed7i gi\u00e2y, th\u00ec \u0111\u00f3 l\u00e0 th\u00eam 2 gi\u00e2y ch\u1ec9 trong ph\u1ea7n ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. Nh\u00e2n l\u00ean cho n\u0103m tr\u0103m chi ti\u1ebft tr\u00ean chuy\u1ec1n, b\u1ea1n \u0111\u00e3 m\u1ea5t h\u01a1n 16 ph\u00fat\u2014l\u1ea1i m\u1ed9t l\u1ea7n n\u1eefa. C\u00f9ng m\u1ed9t ph\u00e9p t\u00ednh nh\u01b0 v\u1ea5n \u0111\u1ec1 l\u00f9i b\u01b0\u1edbc, ch\u1ec9 l\u00e0 l\u1ea7n n\u00e0y \u1ea9n b\u00ean trong h\u00e0nh tr\u00ecnh thay v\u00ec \u1edf v\u1ecb tr\u00ed c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

C\u00e1c h\u1ec7 th\u1ed1ng ti\u00ean ti\u1ebfn thu h\u1eb9p \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch \u0111\u00f3. Ch\u00fang s\u1eed d\u1ee5ng logic t\u1eaft d\u1ea7n theo t\u1eebng b\u01b0\u1edbc\u2014chuy\u1ec3n t\u1eeb t\u1ed1c \u0111\u1ed9 an to\u00e0n sang t\u1ed1c \u0111\u1ed9 cao ch\u1ec9 khi tia laser x\u00e1c nh\u1eadn \u0111\u01b0\u1eddng k\u1eb9p \u0111\u00e3 tho\u00e1ng v\u00e0 v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n. \u0110\u00f3 l\u00e0 c\u00e1ch b\u1ea1n \u0111\u01b0a \u0111i\u1ec3m t\u1eaft xu\u1ed1ng g\u1ea7n 6mm thay v\u00ec h\u01a1n 20mm. Nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u201cb\u1ea3o v\u1ec7 laser\u201d \u0111\u1ec1u l\u00e0m \u0111\u01b0\u1ee3c nh\u01b0 v\u1eady. M\u1ed9t s\u1ed1 ch\u1ec9 l\u00e0 r\u00e8m \u00e1nh s\u00e1ng ch\u1eadm trong m\u1ed9t l\u1edbp v\u1ecf kh\u00e1c.<\/p>\n\n\n\n

M\u00e1y ch\u1ea5n \u0111i\u1ec7n l\u00e0m v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p h\u01a1n n\u1eefa. Ch\u00fang c\u00f3 th\u1ec3 d\u1eebng c\u1ef1c nhanh\u2014ph\u1ea3n \u1ee9ng \u1edf m\u1ee9c mili-gi\u00e2y v\u1edbi \u0111\u1ed9 tr\u00f4i th\u1ee7y l\u1ef1c t\u1ed1i thi\u1ec3u\u2014n\u00ean v\u1ec1 l\u00fd thuy\u1ebft r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi vi\u1ec7c theo d\u00f5i s\u00e1t. Nh\u01b0ng \u0111\u1ea9y ch\u00fang t\u1edbi gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng cao nh\u1ea5t th\u00ec \u0111\u1ed9 nh\u1ea5t qu\u00e1n khi d\u1eebng c\u00f3 th\u1ec3 thay \u0111\u1ed5i d\u01b0\u1edbi t\u1ea3i n\u1eb7ng, \u0111\u1eb7c bi\u1ec7t g\u1ea7n m\u1ee9c c\u00f4ng su\u1ea5t t\u1ed1i \u0111a. B\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c; nh\u01b0ng c\u00f3 th\u1ec3 ph\u1ea3i hy sinh \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u1edf m\u1ee9c c\u1ef1c h\u1ea1n.<\/p>\n\n\n\n

V\u00ec v\u1eady, mili gi\u00e2y kh\u00f4ng h\u1ec1 mang t\u00ednh h\u1ecdc thu\u1eadt. Ch\u00fang quy\u1ebft \u0111\u1ecbnh li\u1ec7u h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 c\u1ee7a b\u1ea1n \u00f4m s\u00e1t d\u1ee5ng c\u1ee5\u2026 hay bu\u1ed9c b\u1ea1n ph\u1ea3i b\u00f2 th\u00eam v\u00e0i milim\u00e9t cu\u1ed1i c\u00f9ng \u1edf m\u1ed7i g\u00f3c u\u1ed1n.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn ph\u1ea7n b\u1ecb hi\u1ec3u sai nhi\u1ec1u nh\u1ea5t c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

\u0110i\u1ec3m T\u1eaft 6mm: C\u00e1ch m\u00e0 laser t\u1eaft an to\u00e0n \u0111\u00fang l\u00fac \u0111\u1ec3 ho\u00e0n th\u00e0nh c\u00fa u\u1ed1n<\/h3>\n\n\n\n

H\u00e3y quan s\u00e1t 10mm cu\u1ed1i c\u00f9ng c\u1ee7a h\u00e0nh tr\u00ecnh tr\u00ean m\u1ed9t m\u00e1y u\u1ed1n th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c tinh ch\u1ec9nh t\u1ed1t c\u00f3 trang b\u1ecb b\u1ed9 b\u1ea3o v\u1ec7 laser hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

\u1ede kho\u1ea3ng 6mm ph\u00eda tr\u00ean b\u1ec1 m\u1eb7t t\u1ea5m kim lo\u1ea1i, h\u1ec7 th\u1ed1ng s\u1ebd ph\u00e1t hi\u1ec7n c\u00f3 v\u1eadt li\u1ec7u v\u00e0 x\u00e1c nh\u1eadn kh\u00f4ng c\u00f3 v\u1eadt c\u1ea3n trong m\u1eb7t ph\u1eb3ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. L\u00fac \u0111\u00f3 laser s\u1ebd \u201ct\u1eaft t\u1ea1m th\u1eddi\u201d\u2014ngh\u0129a l\u00e0 n\u00f3 ng\u01b0ng ph\u00e1t hi\u1ec7n trong ch\u1ed1c l\u00e1t\u2014v\u00ec d\u01b0\u1edbi \u0111i\u1ec3m n\u00e0y, ch\u00ednh ch\u00e0y v\u00e0 v\u1eadt li\u1ec7u \u0111\u00e3 che ch\u1eafn v\u00f9ng c\u1ea3m bi\u1ebfn. Khu v\u1ef1c nguy hi\u1ec3m gi\u1edd \u0111\u01b0\u1ee3c bao k\u00edn c\u01a1 h\u1ecdc b\u1edfi d\u1ee5ng c\u1ee5 v\u00e0 t\u1ea5m kim lo\u1ea1i.<\/p>\n\n\n\n

S\u00e1u milim\u00e9t kh\u00f4ng ph\u1ea3i l\u00e0 con s\u1ed1 t\u00f9y \u00fd. N\u00f3 \u0111\u01b0\u1ee3c \u0111\u1eb7t cao h\u01a1n v\u1eadt li\u1ec7u \u0111\u1ec3 b\u00f9 cho \u0111\u1ed9 v\u00f5ng, sai l\u1ec7ch \u0111\u1ed9 d\u00e0y t\u1ea5m, v\u00e0 kho\u1ea3ng c\u00e1ch d\u1eebng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c minh \u1edf t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn. G\u1ea7n \u0111\u1ee7 \u0111\u1ec3 b\u1ea3o v\u1ec7 \u0111i\u1ec3m k\u1eb9p th\u1eadt s\u1ef1. Cao \u0111\u1ee7 \u0111\u1ec3 m\u00e1y ho\u00e0n t\u1ea5t c\u00fa u\u1ed1n \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 kh\u00f4ng b\u1ecb d\u1eebng gi\u1ea3.<\/p>\n\n\n\n

So s\u00e1nh v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u0169 h\u01a1n ho\u1eb7c t\u00edch h\u1ee3p k\u00e9m, t\u1eaft laser \u1edf kho\u1ea3ng 20\u201323mm v\u00ec m\u00e1y kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eebng ch\u1eb7t h\u01a1n. Kho\u1ea3ng 14\u201317mm ti\u1ebfp c\u1eadn ch\u1eadm \u0111\u00f3 l\u00e0 th\u1eddi gian ch\u1ebft ho\u00e0n to\u00e0n. B\u1ea1n c\u1ea3m nh\u1eadn \u0111i\u1ec1u \u0111\u00f3 r\u00f5 nh\u1ea5t \u1edf c\u00e1c c\u00fa u\u1ed1n n\u00f4ng, n\u01a1i t\u1ed5ng h\u00e0nh tr\u00ecnh t\u1ea1o h\u00ecnh c\u00f3 th\u1ec3 ch\u1ec9 kho\u1ea3ng 25mm ngay t\u1eeb \u0111\u1ea7u.<\/p>\n\n\n\n

Laser kh\u00f4ng h\u1ec1 \u201ct\u1eaft s\u1edbm\u201d. N\u00f3 ch\u1ec9 \u0111ang chuy\u1ec3n giao b\u1ea3o v\u1ec7 t\u1eeb quang h\u1ecdc sang v\u1eadt l\u00fd \u0111\u00fang th\u1eddi \u0111i\u1ec3m khi \u0111i\u1ec3m k\u1eb9p \u0111\u01b0\u1ee3c bao k\u00edn b\u1edfi ch\u00ednh d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 s\u1ef1 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n\n\n\n

An to\u00e0n kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t ph\u1ea1m vi c\u1ed1 \u0111\u1ecbnh m\u00e0 b\u1ea1n ph\u1ea3i r\u00fat lui kh\u1ecfi, m\u00e0 tr\u1edf th\u00e0nh m\u1ed9t v\u00f9ng \u0111\u1ed9ng, thu h\u1eb9p d\u1ea7n \u0111\u1ebfn \u0111\u01b0\u1eddng nguy hi\u1ec3m th\u1eadt s\u1ef1\u201414mm, r\u1ed3i 6mm, r\u1ed3i b\u1eb1ng kh\u00f4ng khi d\u1ee5ng c\u1ee5 kh\u00e9p l\u1ea1i.<\/p>\n\n\n\n

Khi h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n ch\u00e0y \u0111\u1ebfn v\u1eady m\u00e0 kh\u00f4ng bu\u1ed9c b\u1ea1n ph\u1ea3i l\u00f9i 300mm m\u1ed7i chu k\u1ef3, \u0111i\u1ec1u \u0111\u00f3 m\u1edf ra \u0111i\u1ec1u g\u00ec cho vi\u1ec7c c\u0103n ch\u1ec9nh b\u1eb1ng tay v\u00e0 c\u00e1c c\u00fa u\u1ed1n ph\u1ee9c t\u1ea1p m\u00e0 b\u1ea1n t\u1eebng ng\u1ea1i?<\/p>\n\n\n\n

L\u1ee3i Th\u1ebf \u201cHands-In\u201d: Cho Ph\u00e9p U\u1ed1n G\u1ea7n M\u00e0 Kh\u00f4ng G\u1eb7p R\u1ee7i Ro<\/h2>\n\n\n\n

Khi h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 \u1edf 14mm so v\u1edbi ch\u00e0y thay v\u00ec 300mm tr\u01b0\u1edbc m\u00e1y, ng\u01b0\u1eddi v\u1eadn h\u00e0nh kh\u00f4ng c\u00f2n ph\u1ea3i l\u00f9i b\u01b0\u1edbc, m\u00e0 b\u1eaft \u0111\u1ea7u l\u00e0m vi\u1ec7c ngay trong v\u00f9ng u\u1ed1n.<\/p>\n\n\n\n

\u0110\u00f3 l\u00e0 s\u1ef1 thay \u0111\u1ed5i b\u1ea1n th\u1ef1c s\u1ef1 c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c tr\u00ean s\u00e0n x\u01b0\u1edfng. Kh\u00f4ng ph\u1ea3i trong b\u1ea3ng th\u00f4ng s\u1ed1. M\u00e0 \u1edf c\u1ed5 tay b\u1ea1n.<\/p>\n\n\n\n

V\u1edbi r\u00e8m t\u0129nh, tay ph\u1ea3i v\u01b0\u1ee3t qua \u201cb\u1ee9c t\u01b0\u1eddng v\u00f4 h\u00ecnh\u201d \u1edf m\u1ed7i chu k\u1ef3. V\u1edbi c\u00e1c chi ti\u1ebft \u0111\u01a1n gi\u1ea3n th\u00ec \u1ed5n. Nh\u01b0ng \u1edf c\u00e1c c\u00f4ng vi\u1ec7c \u0111a d\u1ea1ng\u2014c\u00e1c m\u00e9p u\u1ed1n h\u1eb9p, m\u00e9p g\u1ea5p l\u1ec7ch, m\u00e9p g\u1ea5p n\u00f4ng\u2014b\u1ea1n li\u00ean t\u1ee5c v\u01b0\u1ee3t qua v\u00f9ng qu\u00e9t, ph\u1ea3i thi\u1ebft l\u1eadp l\u1ea1i v\u00e0 ti\u1ebfp c\u1eadn l\u1ea1i. M\u00e1y \u00e9p \u0111i\u1ec1u khi\u1ec3n t\u01b0 th\u1ebf c\u1ee7a c\u01a1 th\u1ec3 b\u1ea1n. Nh\u01b0ng khi v\u00f9ng b\u1ea3o v\u1ec7 thu h\u1eb9p l\u1ea1i \u0111\u1ebfn \u0111\u00fang \u0111\u01b0\u1eddng k\u1eb9p th\u1eadt s\u1ef1, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 gi\u1eef ph\u00f4i c\u00e1ch m\u00e9p u\u1ed1n 22mm, c\u00e1ch ng\u00f3n c\u0103n sau 18mm, v\u00e0 v\u1eabn \u0111\u1ec3 tr\u1ee5c \u00e9p ti\u1ebfn g\u1ea7n \u1edf t\u1ed1c \u0111\u1ed9 cao v\u00ec h\u1ec7 th\u1ed1ng ch\u1ec9 quan t\u00e2m \u0111\u1ebfn 14mm ngay d\u01b0\u1edbi d\u1ee5ng c\u1ee5.<\/p>\n\n\n\n

\u0110\u00f3 ch\u00ednh l\u00e0 l\u00fac \u201chands-in\u201d tr\u1edf th\u00e0nh hi\u1ec7n th\u1ef1c.<\/p>\n\n\n\n

C\u00e2u h\u1ecfi kh\u00f4ng ph\u1ea3i l\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh gi\u1eef ng\u00f3n tay b\u00ean trong su\u1ed1t h\u00e0nh tr\u00ecnh\u2014h\u1ecd kh\u00f4ng l\u00e0m v\u1eady. V\u1eadt l\u00fd v\u1eabn th\u1eafng. C\u00e2u h\u1ecfi l\u00e0 h\u1ecd c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t trong bao l\u00e2u tr\u01b0\u1edbc khi ph\u1ea3i r\u00fat tay ra, v\u00e0 h\u1ecd ph\u1ea3i r\u00fat ra bao xa.<\/p>\n\n\n\n

V\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00f3 th\u1ec3 hi\u1ec7n r\u1ea5t r\u00f5 khi l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c chi ti\u1ebft d\u1ea1ng h\u1ed9p.<\/p>\n\n\n\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi u\u1ed1n h\u1ed9p, l\u00e0m vi\u1ec7c v\u1edbi m\u00e9p nh\u1ecf v\u00e0 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p?<\/h3>\n\n\n\n

H\u00e3y l\u1ea5y m\u1ed9t h\u1ed9p s\u00e2u 120mm v\u1edbi c\u00e1c m\u00e9p b\u00ean 25mm \u0111\u00e3 \u0111\u01b0\u1ee3c u\u1ed1n s\u1eb5n.<\/p>\n\n\n\n

V\u1edbi r\u00e8m b\u1ea3o v\u1ec7, c\u00e1c m\u00e9p b\u00ean \u0111ang d\u1ef1ng l\u00ean s\u1ebd li\u00ean t\u1ee5c c\u1eaft tia laser tr\u1eeb khi b\u1ea1n b\u1eaft \u0111\u1ea7u ch\u1eb7n tia to\u00e0n ph\u1ea7n. N\u1ebfu ch\u1eb7n qu\u00e1 nhi\u1ec1u, b\u1ea1n \u0111\u00e3 t\u1ea1o ra m\u1ed9t c\u1eeda s\u1ed5 \u0111\u1ee7 l\u1edbn cho b\u00e0n tay l\u1ecdt qua. N\u1ebfu ch\u1eb7n qu\u00e1 \u00edt, m\u00e1y s\u1ebd ng\u1eaft m\u1ed7i l\u1ea7n \u00e9p. V\u00ec v\u1eady ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i th\u00edch nghi: n\u00e2ng ph\u00f4i s\u1eb5n, ng\u1ea3 ng\u01b0\u1eddi v\u1ec1 sau, c\u00e2n ch\u1ec9nh l\u1ea1i khi ph\u00f4i c\u00f2n tr\u00ean kh\u00f4ng, r\u1ed3i nhanh ch\u00f3ng r\u00fat tay ra tr\u01b0\u1edbc khi ti\u1ebfp c\u1eadn cu\u1ed1i c\u00f9ng. C\u00e1ch n\u00e0y c\u00f3 t\u00e1c d\u1ee5ng. Nh\u01b0ng r\u1ea5t ch\u1eadm.<\/p>\n\n\n\n

Gi\u1edd h\u00e3y thu h\u1eb9p v\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 th\u00e0nh m\u1ed9t m\u1eb7t ph\u1eb3ng theo d\u00f5i \u1edf v\u1ecb tr\u00ed th\u1ea5p h\u01a1n \u0111\u1ea7u ch\u00e0y 14mm.<\/p>\n\n\n\n

G\u1edd b\u00ean c\u00f3 th\u1ec3 di chuy\u1ec3n l\u00ean tr\u00ean v\u00ec n\u00f3 n\u1eb1m ngo\u00e0i \u0111\u01b0\u1eddng \u00e9p cho \u0111\u1ebfn khi k\u1ebft th\u00fac qu\u00e1 tr\u00ecnh \u0111\u00f3ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 h\u01b0\u1edbng d\u1eabn c\u00e1c v\u00e1ch c\u1ee7a h\u1ed9p b\u1eb1ng \u0111\u1ea7u ng\u00f3n tay c\u00e1ch m\u00e9p t\u1ea1o h\u00ecnh 30mm trong khi \u0111\u1ea7u ch\u00e0y \u0111i xu\u1ed1ng v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn. Vi\u1ec7c r\u00fat tay x\u1ea3y ra sau\u2014g\u1ea7n v\u1edbi v\u00f9ng nguy hi\u1ec3m th\u1ef1c t\u1ebf h\u01a1n\u2014v\u00ec v\u00f9ng nguy hi\u1ec3m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u1ea5t ch\u1eb7t ch\u1ebd.<\/p>\n\n\n\n

C\u00e1c g\u1edd nh\u1ecf l\u00e0m t\u0103ng m\u1ee9c \u0111\u1ed9 n\u00e0y. M\u1ed9t g\u1edd h\u1ed3i 12mm kh\u00f4ng cho b\u1ea1n nhi\u1ec1u kh\u00f4ng gian \u0111\u1ec3 gi\u1eef. V\u1edbi r\u00e0o ch\u1eafn t\u0129nh, ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u01b0\u1eddng ph\u1ea3i h\u1ed7 tr\u1ee3 t\u1eeb ph\u00eda xa ho\u1eb7c d\u00f9ng c\u00e1ch n\u1eafm kh\u00f3 \u0111\u1ec3 tr\u00e1nh ph\u1ea1m v\u00e0o v\u00f9ng m\u00e0n ch\u1eafn. V\u1edbi h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 b\u00e1m theo d\u1ee5ng c\u1ee5, h\u1ecd c\u00f3 th\u1ec3 c\u1ed1 \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp s\u00e1t \u0111\u01b0\u1eddng u\u1ed1n cho \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m ki\u1ec3m so\u00e1t cu\u1ed1i c\u00f9ng.<\/p>\n\n\n\n

\u00cdt ph\u1ea3i ph\u1ed1i h\u1ee3p \u0111\u1ed9ng t\u00e1c h\u01a1n. Ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n.<\/p>\n\n\n\n

Nh\u01b0ng \u0111i\u1ec1u \u0111\u00f3 ch\u1ec9 hi\u1ec7u qu\u1ea3 n\u1ebfu h\u1ec7 th\u1ed1ng bi\u1ebft ph\u00e2n bi\u1ec7t gi\u1eefa th\u00e9p \u0111ang chuy\u1ec3n \u0111\u1ed9ng l\u00ean v\u00e0 ph\u1ea7n th\u1ecbt ng\u01b0\u1eddi \u0111ang di chuy\u1ec3n ngang.<\/p>\n\n\n\n

Li\u1ec7u ch\u1ee9c n\u0103ng che \u0111\u1ed9ng c\u00f3 th\u1eadt s\u1ef1 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c gi\u1eefa m\u1ed9t g\u1edd b\u00ean \u0111ang n\u00e2ng l\u00ean v\u00e0 m\u1ed9t b\u00e0n tay \u0111\u1eb7t sai v\u1ecb tr\u00ed kh\u00f4ng?<\/h3>\n\n\n\n

B\u1eaft bu\u1ed9c ph\u1ea3i ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

N\u1ebfu n\u00f3 kh\u00f4ng th\u1ec3 d\u1eebng \u0111\u00e1ng tin c\u1eady tr\u01b0\u1edbc khi ch\u1ea1m, th\u00ec s\u1ebd kh\u00f4ng v\u01b0\u1ee3t qua ki\u1ec3m \u0111\u1ecbnh. H\u1ebft. T\u00f4i \u0111\u00e3 t\u1eebng ng\u1ed3i \u0111\u1ed1i di\u1ec7n c\u00e1c thanh tra, h\u1ecd kh\u00f4ng quan t\u00e2m t\u1edd gi\u1edbi thi\u1ec7u hi\u1ec7n \u0111\u1ea1i \u0111\u1ebfn m\u1ee9c n\u00e0o\u2014h\u1ecd ch\u1ec9 quan t\u00e2m li\u1ec7u \u0111\u1ea7u ch\u00e0y c\u00f3 d\u1eebng l\u1ea1i tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o ng\u00f3n tay hay kh\u00f4ng. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 th\u1eddi gian d\u1eebng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, th\u1ee7y l\u1ef1c \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i ph\u00e1t hi\u1ec7n \u0111\u1ee7 ch\u1eb7t \u0111\u1ec3 th\u1ea5y s\u1ef1 x\u00e2m nh\u1eadp trong v\u00f9ng gi\u1edbi h\u1ea1n 14mm \u0111\u00f3.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 c\u01a1 ch\u1ebf.<\/p>\n\n\n\n

Tia laser chi\u1ebfu m\u1ed9t m\u1eb7t ph\u1eb3ng li\u00ean t\u1ee5c ngay d\u01b0\u1edbi ch\u00e0y. Khi v\u1eadt li\u1ec7u n\u00e2ng l\u00ean trong qu\u00e1 tr\u00ecnh u\u1ed1n th\u00e0nh h\u1ed9p, h\u1ec7 th\u1ed1ng d\u1ef1 \u0111o\u00e1n s\u1ef1 c\u1ea3n tr\u1edf th\u1eb3ng h\u00e0ng v\u1edbi \u0111\u01b0\u1eddng u\u1ed1n \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh v\u00e0 h\u00ecnh h\u1ecdc c\u1ee7a d\u1ee5ng c\u1ee5. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. M\u1ed9t b\u00e0n tay \u0111\u01b0a v\u00e0o t\u1eeb b\u00ean s\u1ebd c\u1eaft \u0111\u1ee9t m\u1eb7t ph\u1eb3ng \u1edf h\u01b0\u1edbng v\u00e0 v\u1ecb tr\u00ed kh\u00e1c\u2014n\u1eb1m ngo\u00e0i h\u00ecnh d\u1ea1ng v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c cho ph\u00e9p\u2014v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n s\u1ebd ph\u1ea3n \u1ee9ng trong kho\u1ea3ng th\u1eddi gian d\u1eebng \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m nghi\u1ec7m.<\/p>\n\n\n\n

C\u00f3 ph\u1ea3i l\u00e0 ph\u00e9p thu\u1eadt? Kh\u00f4ng. \u0110\u00f3 l\u00e0 h\u00ecnh h\u1ecdc c\u1ed9ng v\u1edbi v\u00e0i ph\u1ea7n ngh\u00ecn gi\u00e2y.<\/p>\n\n\n\n

V\u00e0 \u0111\u00fang l\u00e0 c\u00f3 gi\u1edbi h\u1ea1n. C\u00e1c m\u00e1y \u00e9p c\u01a1 v\u1edbi qu\u00e3ng d\u1eebng d\u00e0i kh\u00f4ng th\u1ec3 h\u1ed7 tr\u1ee3 \u0111i\u1ec1u n\u00e0y v\u00ec kho\u1ea3ng d\u1eebng c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 t\u1edbi 20mm \u1edf t\u1ed1c \u0111\u1ed9 l\u00e0m vi\u1ec7c. B\u1ea1n kh\u00f4ng th\u1ec3 h\u1ee9a h\u1eb9n b\u1ea3o v\u1ec7 \u1edf 14mm n\u1ebfu m\u00e1y v\u1eabn tr\u01b0\u1ee3t qu\u00e1 m\u1ee9c \u0111\u00f3. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao \u0111i\u1ec1u n\u00e0y thu\u1ed9c v\u1ec1 ch\u1ee7 \u0111\u1ec1 m\u00e1y th\u1ee7y l\u1ef1c v\u00e0 servo hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n

B\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf r\u1ea5t \u0111\u01a1n gi\u1ea3n: ch\u1ea1y m\u1ed9t c\u00f4ng vi\u1ec7c t\u1ea1o h\u1ed9p ph\u1ee9c t\u1ea1p v\u00e0 xem li\u1ec7u h\u1ec7 th\u1ed1ng c\u00f3 ng\u1eaft \u1edf m\u1ecdi g\u1edd n\u00e2ng l\u00ean hay kh\u00f4ng. N\u1ebfu c\u00f3, ng\u01b0\u1eddi v\u1eadn h\u00e0nh s\u1ebd m\u1ea5t ni\u1ec1m tin. N\u1ebfu kh\u00f4ng\u2014m\u00e0 v\u1eabn d\u1eebng ngay t\u1ee9c kh\u1eafc khi m\u1ed9t thanh g\u1ed7 ch\u1ea1m v\u00e0o n\u01a1i b\u00e0n tay kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p c\u00f3 m\u1eb7t\u2014th\u00ec b\u1ea1n s\u1ebd ng\u1eebng ph\u1ea3i \u0111\u1ea5u tranh v\u1edbi m\u00e1y.<\/p>\n\n\n\n

Ni\u1ec1m tin \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb t\u1eebng nh\u1ecbp m\u00e1y, kh\u00f4ng ph\u1ea3i t\u1eeb nh\u1eefng t\u1edd gi\u1edbi thi\u1ec7u.<\/p>\n\n\n\n

\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn \u0111i\u1ec1u m\u00e0 h\u1ea7u h\u1ebft ch\u1ee7 m\u00e1y \u0111\u1ec1u b\u1ecf qua.<\/p>\n\n\n\n

T\u1ea1i sao vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c l\u1ea7n d\u1eebng phi\u1ec1n nhi\u1ec5u l\u1ea1i l\u00e0 m\u1ed9t t\u00ednh n\u0103ng an to\u00e0n, kh\u00f4ng ch\u1ec9 l\u00e0 m\u1eb9o \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t.<\/h3>\n\n\n\n

M\u1ed7i l\u1ea7n d\u1eebng phi\u1ec1n nhi\u1ec5u \u0111\u1ec1u d\u1ea1y ng\u01b0\u1eddi v\u1eadn h\u00e0nh r\u1eb1ng m\u00e1y \u0111ang sai.<\/p>\n\n\n\n

L\u1eb7p l\u1ea1i \u0111i\u1ec1u \u0111\u00f3 n\u0103m m\u01b0\u01a1i l\u1ea7n trong m\u1ed9t ca l\u00e0m vi\u1ec7c v\u00e0 s\u1ebd c\u00f3 ng\u01b0\u1eddi t\u00ecm c\u00e1ch v\u01b0\u1ee3t qua. T\u00f4i \u0111\u00e3 th\u1ea5y c\u00f4ng t\u1eafc t\u1eaft ti\u1ebfng b\u1ecb gi\u1eef b\u1eb1ng b\u0103ng d\u00ednh. T\u00f4i \u0111\u00e3 th\u1ea5y v\u00f9ng che \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ebfn m\u1ee9c b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a m\u1ed9t \u1ed5 c\u1eafm 30mm qua. V\u00e0 t\u00f4i s\u1ebd n\u00f3i l\u1ea1i \u0111\u00fang nh\u01b0 c\u00e1ch t\u00f4i n\u00f3i trong c\u00e1c cu\u1ed9c ki\u1ec3m tra: \u201dN\u1ebfu m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u n\u00f3 b\u1eb1ng m\u1ed9t s\u1ee3i d\u00e2y thun gi\u00e1 3 xu, th\u00ec n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 c\u1ea5u ki\u1ec3m so\u00e1t\u2014m\u00e0 ch\u1ec9 l\u00e0 m\u1ed9t l\u1eddi g\u1ee3i \u00fd.<\/strong><\/em>\u201d<\/p>\n\n\n\n

Khi ch\u1ee9c n\u0103ng che \u0111\u1ed9ng cho ph\u00e9p v\u1eadt li\u1ec7u di chuy\u1ec3n h\u1ee3p l\u1ec7 m\u00e0 kh\u00f4ng g\u00e2y ng\u1eaft gi\u1ea3 li\u00ean t\u1ee5c, b\u1ea1n lo\u1ea1i b\u1ecf \u0111\u1ed9ng c\u01a1 khi\u1ebfn ng\u01b0\u1eddi ta mu\u1ed1n gian l\u1eadn h\u1ec7 th\u1ed1ng. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh gi\u1eef c\u1ea3 hai tay tham gia v\u00e0o vi\u1ec7c \u0111\u1ecbnh v\u1ecb \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t cho \u0111\u1ebfn khi v\u1eadt l\u00fd\u2014ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1ef1 b\u1ef1c b\u1ed9i\u2014bu\u1ed9c h\u1ecd ph\u1ea3i r\u00fat tay.<\/p>\n\n\n\n

Nh\u01b0 v\u1eady an to\u00e0n h\u01a1n.<\/p>\n\n\n\n

V\u00e0 n\u00f3 nhanh h\u01a1n, v\u00ec b\u1ea1n kh\u00f4ng c\u00f2n l\u00e3ng ph\u00ed hai gi\u00e2y cho m\u1ed7i l\u1ea7n nh\u1ea5n \u0111\u1ec3 ch\u1edd \u0111\u1eb7t l\u1ea1i v\u00e0 di chuy\u1ec3n l\u1ea1i ch\u1eadm r\u00e3i. V\u1edbi h\u01a1n n\u0103m tr\u0103m chi ti\u1ebft trong \u0111\u01a1n h\u00e0ng, \u0111\u00f3 l\u00e0 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa vi\u1ec7c ho\u00e0n th\u00e0nh tr\u01b0\u1edbc ca hai ho\u1eb7c ph\u1ea3i gi\u1ea3i th\u00edch v\u1edbi kh\u00e1ch h\u00e0ng t\u1ea1i sao \u0111\u01a1n h\u00e0ng \u0111a d\u1ea1ng c\u1ee7a h\u1ecd b\u1ecb tr\u1ec5 m\u1ed9t ng\u00e0y.<\/p>\n\n\n\n

\u201cHands-in\u201d (l\u00e0m vi\u1ec7c \u0111\u01b0a tay v\u00e0o) kh\u00f4ng ph\u1ea3i l\u00e0 th\u1ec3 hi\u1ec7n s\u1ef1 li\u1ec1u l\u0129nh. \u0110\u00f3 l\u00e0 vi\u1ec7c cho ph\u00e9p nh\u1eefng ng\u01b0\u1eddi c\u00f3 tay ngh\u1ec1 l\u00e0m vi\u1ec7c m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean trong v\u00f9ng nguy hi\u1ec3m \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u1eb7t ch\u1ebd, thay v\u00ec ph\u1ea3i tr\u00e1nh xa m\u1ed9t v\u00f9ng b\u1ea3o v\u1ec7 qu\u00e1 r\u1ed9ng.<\/p>\n\n\n\n

V\u00ec v\u1eady, n\u1ebfu thao t\u00e1c u\u1ed1n cong \u1edf c\u1ef1 ly g\u1ea7n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 tu\u00e2n th\u1ee7 khi m\u00e1y th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 d\u1eebng \u0111\u00fang l\u00fac, th\u00ec c\u00e2u h\u1ecfi ti\u1ebfp theo kh\u00f4ng c\u00f2n l\u00e0 v\u1ec1 t\u1ed1c \u0111\u1ed9 n\u1eefa.<\/p>\n\n\n\n

M\u00e0 l\u00e0 li\u1ec7u m\u00e1y \u00e9p hi\u1ec7n t\u1ea1i c\u1ee7a b\u1ea1n \u2014 v\u00e0 l\u1ea7n ki\u1ec3m to\u00e1n ti\u1ebfp theo \u2014 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111i\u1ec1u \u0111\u00f3 hay kh\u00f4ng.<\/p>\n\n\n\n

V\u01b0\u1ee3t qua Cu\u1ed9c Ki\u1ec3m To\u00e1n v\u00e0 Th\u1ef1c T\u1ebf C\u1ee7a Vi\u1ec7c C\u1ea3i T\u1ea1o<\/h2>\n\n\n\n

T\u00f4i \u0111ang \u0111\u1ee9ng c\u1ea1nh m\u1ed9t m\u00e1y \u00e9p th\u1ee7y l\u1ef1c 135 t\u1ea5n s\u1ea3n xu\u1ea5t n\u0103m 1992 khi ch\u00fang t\u00f4i th\u1ef1c hi\u1ec7n b\u00e0i ki\u1ec3m tra th\u1eddi gian d\u1eebng. T\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn t\u1ed1i \u0111a. K\u00edch ho\u1ea1t \u1edf \u0111\u1ed9 cao 12mm tr\u00ean kh\u1ed1i th\u1eed nghi\u1ec7m. C\u00e1nh tr\u01b0\u1ee3t v\u01b0\u1ee3t qu\u00e1 th\u00eam 9mm sau khi c\u00f3 t\u00edn hi\u1ec7u d\u1eebng. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00fd thuy\u1ebft. \u0110\u01b0\u1ee3c \u0111o b\u1eb1ng th\u01b0\u1edbc \u0111\u00e3 hi\u1ec7u chu\u1ea9n, c\u1ed1 \u0111\u1ecbnh c\u00e1ch \u0111\u01b0\u1eddng t\u00e2m c\u1ee7a khu\u00f4n \u0111\u1ee5c 14mm.<\/p>\n\n\n\n

Ch\u1ee7 m\u00e1y nh\u00ecn v\u00e0o b\u1ea3ng th\u00f4ng s\u1ed1 c\u1ee7a h\u1ec7 th\u1ed1ng laser \u2014 th\u1eddi gian ph\u1ea3n \u1ee9ng trong ph\u1ea1m vi v\u00e0i mili-gi\u00e2y \u2014 v\u00e0 n\u00f3i: \u201cV\u1eady l\u00e0 \u1ed5n r\u1ed3i, \u0111\u00fang ch\u1ee9?\u201d<\/p>\n\n\n\n

Kh\u00f4ng. V\u00ec laser kh\u00f4ng l\u00e0m c\u00e1nh tr\u01b0\u1ee3t d\u1eebng l\u1ea1i. H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c m\u1edbi l\u00e0 th\u1ee9 d\u1eebng n\u00f3.<\/p>\n\n\n\n

Ph\u00e1t hi\u1ec7n trong mili-gi\u00e2y kh\u00f4ng c\u00f3 \u00fd ngh\u0129a g\u00ec n\u1ebfu van t\u1ef7 l\u1ec7 v\u00e0 b\u01a1m c\u1ee7a b\u1ea1n ph\u1ea3i m\u1ea5t 40 mili-gi\u00e2y m\u1edbi t\u1ea1o \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c ng\u01b0\u1ee3c. Qu\u00e3ng \u0111\u01b0\u1eddng d\u1eebng l\u00e0 v\u1eadt l\u00fd: t\u1ed1c \u0111\u1ed9 \u00d7 t\u1ed5ng th\u1eddi gian ph\u1ea3n \u1ee9ng. T\u1ed5ng n\u00e0y bao g\u1ed3m th\u1eddi gian ph\u1ea3n \u1ee9ng c\u1ee7a c\u1ea3m bi\u1ebfn, x\u1eed l\u00fd \u0111i\u1ec1u khi\u1ec3n, d\u1ecbch chuy\u1ec3n van, v\u00e0 gi\u1ea3m t\u1ed1c do ch\u1ea5t l\u1ecfng. N\u1ebfu t\u1ed5ng \u0111\u00f3 l\u00e0 70 mili-gi\u00e2y \u1edf t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn 200mm\/gi\u00e2y, th\u00ec b\u1ea1n \u0111\u00e3 di chuy\u1ec3n 14mm tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u gi\u1ea3m t\u1ed1c. B\u1ea1n kh\u00f4ng th\u1ec3 tuy\u00ean b\u1ed1 b\u1ea3o v\u1ec7 \u1edf kho\u1ea3ng c\u00e1ch 14mm khi m\u00e1y c\u1ee7a b\u1ea1n \u201cnu\u1ed1t ch\u1eedng\u201d to\u00e0n b\u1ed9 kho\u1ea3ng \u0111\u00f3 ch\u1ec9 v\u00ec \u0111\u1ed9 tr\u1ec5 ph\u1ea3n \u1ee9ng.<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 n\u01a1i m\u00e0 c\u00e1c cu\u1ed9c ki\u1ec3m to\u00e1n \u0111\u01b0\u1ee3c th\u1eafng ho\u1eb7c thua. Kh\u00f4ng ph\u1ea3i tr\u00ean t\u1edd qu\u1ea3ng c\u00e1o. M\u00e0 tr\u00ean k\u1ebft qu\u1ea3 v\u01b0\u1ee3t qu\u00e1 sau khi \u0111o.<\/p>\n\n\n\n

N\u1ebfu bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 \u1edf c\u1ef1 ly g\u1ea7n thu h\u1eb9p v\u00f9ng b\u1ea3o v\u1ec7 t\u1edbi t\u1eadn \u0111\u01b0\u1eddng k\u1eb9p th\u1ef1c t\u1ebf, th\u00ec m\u00e1y v\u00e0 h\u1ec7 th\u1ed1ng an to\u00e0n ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 m\u1ed9t kh\u1ed1i th\u1ed1ng nh\u1ea5t. N\u1ebfu kh\u00f4ng, b\u1ea1n ch\u1ec9 \u0111ang qu\u1ea3ng b\u00e1 gia t\u1ed1c tr\u00ean m\u1ed9t h\u1ec7 th\u1ed1ng phanh kh\u00f4ng th\u1ec3 d\u1eebng l\u1ea1i.<\/p>\n\n\n\n

V\u1eady \u0111i\u1ec1u \u0111\u00f3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0o khi m\u1ed9t ki\u1ec3m to\u00e1n vi\u00ean b\u01b0\u1edbc v\u00e0o v\u00e0 trong \u0111\u1ea7u h\u1ecd ch\u1ec9 c\u00f3 h\u00ecnh \u1ea3nh c\u00e1c r\u00e8m s\u00e1ng?<\/p>\n\n\n\n

CE EN 12622 so v\u1edbi OSHA 1910.212: Ch\u1ee9ng minh tu\u00e2n th\u1ee7 v\u1edbi m\u1ed9t ki\u1ec3m to\u00e1n vi\u00ean quen thu\u1ed9c v\u1edbi r\u00e8m s\u00e1ng<\/h3>\n\n\n\n

T\u00f4i t\u1eebng tham d\u1ef1 m\u1ed9t bu\u1ed5i \u0111\u00e1nh gi\u00e1 CE m\u00e0 c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean r\u1ea5t \u0111\u01a1n gi\u1ea3n: \u201cH\u00e3y cho t\u00f4i xem ph\u00e9p t\u00ednh th\u1eddi gian d\u1eebng c\u1ee7a anh.\u201d Kh\u00f4ng ai quan t\u00e2m \u0111\u00f3 l\u00e0 r\u00e8m s\u00e1ng hay laser. H\u1ecd quan t\u00e2m li\u1ec7u c\u00f4ng th\u1ee9c t\u00ednh kho\u1ea3ng c\u00e1ch an to\u00e0n c\u00f3 kh\u1edbp v\u1edbi hi\u1ec7u su\u1ea5t \u0111o th\u1ef1c t\u1ebf theo ti\u00eau chu\u1ea9n EN 12622 hay kh\u00f4ng.<\/p>\n\n\n\n

Theo CE, nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y (ho\u1eb7c \u0111\u01a1n v\u1ecb c\u1ea3i t\u1ea1o) ph\u1ea3i ch\u1ee9ng minh r\u1eb1ng thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7, lo\u1ea1i h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n, v\u00e0 hi\u1ec7u su\u1ea5t d\u1eebng \u0111\u00e1p \u1ee9ng m\u1ee9c hi\u1ec7u su\u1ea5t y\u00eau c\u1ea7u. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 ph\u1ea3i c\u00f3 c\u00e1c b\u00e0i ki\u1ec3m tra th\u1eddi gian d\u1eebng \u0111\u01b0\u1ee3c ghi nh\u1eadn \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a, t\u1ea3i tr\u1ecdng t\u1ec7 nh\u1ea5t, v\u00e0 kho\u1ea3ng c\u00e1ch an to\u00e0n \u0111\u01b0\u1ee3c x\u00e1c minh. \u0110\u00f3 l\u00e0 to\u00e1n h\u1ecdc g\u1eafn li\u1ec1n v\u1edbi kim lo\u1ea1i.<\/p>\n\n\n\n

OSHA 1910.212 \u1edf Hoa K\u1ef3 \u00edt quy \u0111\u1ecbnh c\u1ee9ng nh\u1eafc v\u1ec1 c\u00f4ng th\u1ee9c h\u01a1n, nh\u01b0ng l\u1ea1i r\u00f5 r\u00e0ng v\u1ec1 k\u1ebft qu\u1ea3: \u0111i\u1ec3m t\u00e1c \u0111\u1ed9ng ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 \u0111\u1ec3 ng\u0103n ti\u1ebfp x\u00fac. Trong m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra, h\u1ecd kh\u00f4ng tranh c\u00e3i v\u1ec1 th\u01b0\u01a1ng hi\u1ec7u. H\u1ecd h\u1ecfi: li\u1ec7u ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 ch\u1ea1m v\u00e0o v\u00f9ng nguy hi\u1ec3m tr\u01b0\u1edbc khi m\u00e1y d\u1eebng l\u1ea1i hay kh\u00f4ng?<\/p>\n\n\n\n

\u0110\u00e2y l\u00e0 ph\u1ea7n m\u00e0 c\u00e1c ch\u1ee7 x\u01b0\u1edfng th\u01b0\u1eddng th\u1ea5y lo l\u1eafng. R\u00e8m s\u00e1ng quen thu\u1ed9c r\u1ed3i. Ki\u1ec3m to\u00e1n vi\u00ean \u0111\u00e3 th\u1ea5y ch\u00fang su\u1ed1t 20 n\u0103m. Laser th\u00ec c\u00f3 v\u1ebb m\u1edbi, d\u00f9 th\u1ef1c t\u1ebf \u0111\u00e3 c\u00f3 m\u1eb7t tr\u00ean th\u1ecb tr\u01b0\u1eddng c\u1ea3 th\u1eadp k\u1ef7.<\/p>\n\n\n\n

V\u00ec v\u1eady, b\u1ea1n c\u1ea7n \u0111\u1eb7t tr\u1ecdng t\u00e2m c\u1ee7a cu\u1ed9c tr\u00f2 chuy\u1ec7n v\u00e0o c\u01a1 ch\u1ebf, ch\u1ee9 kh\u00f4ng ph\u1ea3i v\u00e0o t\u00ednh m\u1edbi l\u1ea1.<\/p>\n\n\n\n

M\u1ed9t r\u00e8m s\u00e1ng t\u0129nh t\u1ea1o ra m\u1ed9t m\u1eb7t ph\u1eb3ng d\u1ecdc c\u00e1ch khu\u00f4n v\u00e0i tr\u0103m milim\u00e9t ph\u00eda tr\u01b0\u1edbc. Kho\u1ea3ng c\u00e1ch an to\u00e0n \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean th\u1eddi gian d\u1eebng, n\u00ean m\u00e1y c\u00e0ng d\u1eebng nhanh th\u00ec m\u1eb7t ph\u1eb3ng \u0111\u00f3 c\u00e0ng g\u1ea7n \u0111\u01b0\u1ee3c. Nh\u01b0ng n\u00f3 v\u1eabn l\u00e0 m\u1ed9t h\u00e0ng r\u00e0o quanh m\u1eb7t tr\u01b0\u1edbc c\u1ee7a m\u00e1y.<\/p>\n\n\n\n

M\u1ed9t t\u1ea5m ch\u1eafn laser chi\u1ebfu m\u1ed9t m\u1eb7t ph\u1eb3ng ngang tr\u1ef1c ti\u1ebfp d\u01b0\u1edbi \u0111\u1ea7u \u0111\u1ea5m, th\u01b0\u1eddng n\u1eb1m c\u00e1ch \u0111\u1ea7u \u0111\u1ea5m 10\u201320 mm t\u00f9y c\u1ea5u h\u00ecnh. N\u00f3 di chuy\u1ec3n theo d\u1ee5ng c\u1ee5. Kho\u1ea3ng c\u00e1ch an to\u00e0n gi\u1edd \u0111\u00e2y l\u00e0 theo chi\u1ec1u d\u1ecdc, g\u1eafn li\u1ec1n v\u1edbi t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn v\u00e0 kh\u1ea3 n\u0103ng d\u1eebng c\u1ee7a c\u1ea7n \u00e9p. H\u00ecnh h\u1ecdc kh\u00e1c. C\u00f9ng logic tu\u00e2n th\u1ee7: ph\u00e1t hi\u1ec7n x\u00e2m nh\u1eadp, d\u1eebng tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac.<\/p>\n\n\n\n

M\u1ed1i lo th\u1ef1c s\u1ef1 c\u1ee7a ki\u1ec3m to\u00e1n vi\u00ean kh\u00f4ng ph\u1ea3i l\u00e0 c\u00f4ng ngh\u1ec7. \u0110\u00f3 l\u00e0 kh\u1ea3 n\u0103ng b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a.<\/p>\n\n\n\n

H\u00e3y nh\u1edb chi\u1ebfc phanh 36 t\u1ea5n n\u01a1i 75\u2013100 mm c\u1ee7a r\u00e8m \u00e1nh s\u00e1ng b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a cho m\u1ed9t c\u00f4ng vi\u1ec7c tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c? Ba \u0111\u1ea7u ng\u00f3n tay b\u1ecb m\u1ea5t ch\u1ec9 v\u00ec m\u1ed9t v\u00f9ng t\u0129nh b\u1ecb m\u1edf r\u1ed9ng th\u1ee7 c\u00f4ng v\u00e0 \u0111\u1ec3 nguy\u00ean nh\u01b0 v\u1eady.<\/p>\n\n\n\n

H\u1ec7 th\u1ed1ng \u0111\u1ed9ng thay \u0111\u1ed5i ki\u1ec3u h\u1ecfng \u0111\u00f3. T\u1ea5m ch\u1eafn laser \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch kh\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c v\u00f4 hi\u1ec7u h\u00f3a v\u0129nh vi\u1ec5n tr\u00ean to\u00e0n b\u1ed9 khe m\u1edf. Ch\u00fang gi\u00e1m s\u00e1t trong m\u1ed9t v\u00f9ng bao quanh \u0111\u1ea7u \u0111\u1ea5m v\u00e0 s\u1eed d\u1ee5ng h\u00ecnh h\u1ecdc d\u1ee5ng c\u1ee5 \u0111\u00e3 l\u1eadp tr\u00ecnh. B\u1ea1n v\u1eabn c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh sai ch\u00fang\u2014b\u1ea5t k\u1ef3 h\u1ec7 th\u1ed1ng n\u00e0o c\u0169ng c\u00f3 th\u1ec3 b\u1ecb l\u1ea1m d\u1ee5ng\u2014nh\u01b0ng b\u1ea1n s\u1ebd kh\u00f4ng \u0111\u1ec3 l\u1ea1i m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m 100 mm v\u00f4 h\u00ecnh xuy\u00ean su\u1ed1t ph\u00eda tr\u01b0\u1edbc m\u00e1y.<\/p>\n\n\n\n

V\u00e0 t\u00f4i n\u00f3i v\u1edbi c\u00e1c ch\u1ee7 m\u00e1y m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng: an to\u00e0n kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u201cch\u01b0a ai b\u1ecb th\u01b0\u01a1ng.\u201d N\u00f3 c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee9ng minh, b\u1eb1ng d\u1eef li\u1ec7u, r\u1eb1ng m\u00e1y d\u1eebng tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac trong \u0111i\u1ec1u ki\u1ec7n x\u1ea5u nh\u1ea5t.<\/strong><\/em> N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u01b0a ra b\u00e1o c\u00e1o th\u1eddi gian d\u1eebng, m\u1ee9c hi\u1ec7u su\u1ea5t v\u00e0 lo\u1ea1i d\u00e2y n\u1ed1i, b\u1ea1n s\u1ebd kh\u00f4ng v\u01b0\u1ee3t qua m\u1ed9t cu\u1ed9c ki\u1ec3m to\u00e1n nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n

Nh\u01b0ng tu\u00e2n th\u1ee7 tr\u00ean gi\u1ea5y l\u00e0 m\u1ed9t chuy\u1ec7n. T\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c 30 n\u0103m tu\u1ed5i l\u1ea1i l\u00e0 chuy\u1ec7n kh\u00e1c.<\/p>\n\n\n\n

C\u00e1i b\u1eaby m\u00e1y m\u00f3c c\u0169: N\u1ebfu phanh c\u0169 c\u1ee7a b\u1ea1n c\u00f3 th\u1ee7y l\u1ef1c ch\u1eadm, ph\u1ea3n \u1ee9ng laser mili gi\u00e2y li\u1ec7u c\u00f3 \u00fd ngh\u0129a g\u00ec kh\u00f4ng?<\/h3>\n\n\n\n

Phanh c\u01a1 kh\u00ed \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o tr\u01b0\u1edbc gi\u1eefa nh\u1eefng n\u0103m 80 c\u00f3 th\u1eddi gian d\u1eebng d\u00e0i v\u00ec qu\u00e1n t\u00ednh ly h\u1ee3p v\u00e0 b\u00e1nh \u0111\u00e0. \u0110\u00f3 l\u00e0 l\u00fd do r\u00e8m \u00e1nh s\u00e1ng th\u01b0\u1eddng kh\u00f4ng th\u1ef1c t\u1ebf\u2014b\u1ea1n c\u1ea7n kho\u1ea3ng c\u00e1ch an to\u00e0n l\u1edbn \u0111\u1ebfn m\u1ee9c gi\u1ebft ch\u1ebft t\u00ednh kh\u1ea3 d\u1ee5ng.<\/p>\n\n\n\n

Th\u1ee7y l\u1ef1c \u0111\u00e3 c\u1ea3i thi\u1ec7n \u0111i\u1ec1u \u0111\u00f3. Van ph\u1ea3n \u1ee9ng nhanh h\u01a1n, ki\u1ec3m so\u00e1t gi\u1ea3m t\u1ed1c t\u1ed1t h\u01a1n. \u0110\u00f3 l\u00e0 \u0111i\u1ec1u l\u00e0m cho b\u1ea3o v\u1ec7 g\u1ea7n h\u01a1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

Nh\u01b0ng kh\u00f4ng ph\u1ea3i m\u1ecdi h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c \u0111\u1ec1u nh\u01b0 nhau.<\/p>\n\n\n\n

Gi\u1ea3 s\u1eed phanh c\u1ee7a b\u1ea1n ti\u1ebfp c\u1eadn \u1edf t\u1ed1c \u0111\u1ed9 180 mm m\u1ed7i gi\u00e2y. B\u1ea1n ch\u1ea1y th\u1eed \u0111o th\u1eddi gian d\u1eebng t\u1ed5ng c\u1ed9ng 85 mili gi\u00e2y \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a. \u0110\u00f3 l\u00e0 15,3 mm h\u00e0nh tr\u00ecnh tr\u01b0\u1edbc khi d\u1eebng ho\u00e0n to\u00e0n, ch\u01b0a t\u00ednh \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u01a1 h\u1ecdc ho\u1eb7c thay \u0111\u1ed5i t\u1ea3i. N\u1ebfu m\u1eb7t ph\u1eb3ng laser c\u00e1ch \u0111\u1ea7u \u0111\u1ea5m 14 mm, b\u1ea1n \u0111\u00e3 vi ph\u1ea1m ch\u00ednh h\u00ecnh h\u1ecdc c\u1ee7a m\u00ecnh. B\u1ea1n \u0111ang h\u1ee9a h\u1eb9n b\u1ea3o v\u1ec7 trong m\u1ed9t kho\u1ea3ng c\u00e1ch m\u00e0 m\u00e1y v\u1ec1 m\u1eb7t v\u1eadt l\u00fd kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o.<\/p>\n\n\n\n

B\u1ea1n c\u00f3 ba l\u1ef1a ch\u1ecdn:<\/p>\n\n\n\n

    \n
  1. Gi\u1ea3m t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn trong v\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/li>\n\n\n\n
  2. N\u00e2ng c\u1ea5p van v\u00e0 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 gi\u1ea3m th\u1eddi gian ph\u1ea3n \u1ee9ng.<\/li>\n\n\n\n
  3. Ch\u1ea5p nh\u1eadn kho\u1ea3ng c\u00e1ch b\u1ea3o v\u1ec7 l\u1edbn h\u01a1n, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m l\u1ee3i th\u1ebf \u201c\u0111\u01b0a tay v\u00e0o\u201d c\u1ee7a b\u1ea1n.<\/li>\n<\/ol>\n\n\n\n

    \u0110\u00f3 l\u00e0 l\u00fd do t\u00f4i n\u00f3i laser v\u00e0 phanh nh\u01b0 m\u1ed9t c\u1eb7p v\u1ee3 ch\u1ed3ng. B\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1i n\u00e0y m\u00e0 b\u1ecf qua c\u00e1i kia.<\/p>\n\n\n\n

    V\u00e0 \u0111\u00e2y l\u00e0 ph\u1ea7n kh\u00f3 ch\u1ecbu: \u0111\u00f4i khi m\u1ed9t c\u00e1nh c\u1eeda ch\u1eafn v\u1eadt l\u00fd l\u00e0 ph\u01b0\u01a1ng \u00e1n c\u1ea3i ti\u1ebfn th\u00f4ng minh h\u01a1n. T\u1ea5m ch\u1eafn d\u1ea1ng c\u1eeda ch\u1ee9a c\u00e1c m\u1ed1i nguy th\u1ee9 c\u1ea5p\u2014m\u1ea3nh kim lo\u1ea1i bay, tia l\u1eeda t\u1eeb qu\u00e1 tr\u00ecnh b\u00ean c\u1ea1nh\u2014m\u00e0 r\u00e8m \u00e1nh s\u00e1ng hay laser \u0111\u1ec1u kh\u00f4ng x\u1eed l\u00fd. Trong b\u1ed1 tr\u00ed s\u00e0n ch\u1eadt h\u1eb9p, m\u1ed9t c\u1eeda ch\u1eafn c\u00f3 th\u1ec3 cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u1ee9ng g\u1ea7n h\u01a1n v\u00ec n\u00f3 ch\u1ee9a m\u1ed1i nguy thay v\u00ec t\u00ednh kho\u1ea3ng c\u00e1ch t\u1eeb n\u00f3.<\/p>\n\n\n\n

    T\u1ea5m ch\u1eafn laser l\u00e0 c\u00f4ng c\u1ee5 t\u0103ng t\u1ed1c s\u1ea3n xu\u1ea5t khi n\u00fat c\u1ed5 chai l\u00e0 c\u00e1c d\u1eebng phi\u1ec1n ph\u1ee9c v\u00e0 v\u00f9ng an to\u00e0n qu\u00e1 l\u1edbn. Ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 l\u00e1 ch\u1eafn ma thu\u1eadt ch\u1ed1ng l\u1ea1i m\u1ea3nh v\u0103ng, kh\u00f3i, ho\u1eb7c h\u1ec7 th\u1ee7y l\u1ef1c k\u00e9m.<\/p>\n\n\n\n

    V\u00ec v\u1eady, tr\u01b0\u1edbc khi b\u1ea1n k\u00fd m\u1ed9t \u0111\u01a1n \u0111\u1eb7t h\u00e0ng, b\u1ea1n h\u00e3y \u0111\u1eb7t m\u1ed9t c\u00e2u h\u1ecfi kh\u00f3: kho\u1ea3ng c\u00e1ch d\u1eebng \u0111o \u0111\u01b0\u1ee3c c\u1ee7a t\u00f4i \u1edf t\u1ed1c \u0111\u1ed9 ti\u1ebfp c\u1eadn t\u1ed1i \u0111a l\u00e0 bao nhi\u00eau, v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u00f3 qua c\u00e1c ca l\u00e0m vi\u1ec7c v\u00e0 t\u1ea3i tr\u1ecdng ra sao?<\/p>\n\n\n\n

    B\u1edfi v\u00ec r\u1ee7i ro ti\u1ebfp theo kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 kh\u00ed. N\u00f3 l\u00e0 con ng\u01b0\u1eddi.<\/p>\n\n\n\n

    C\u1ef1u binh vs. Laser: Ng\u0103n ch\u1eb7n c\u00e1c th\u1ee3 v\u1eadn h\u00e0nh gi\u00e0u kinh nghi\u1ec7m v\u00f4 hi\u1ec7u h\u00f3a h\u1ec7 th\u1ed1ng m\u1edbi<\/h3>\n\n\n\n

    T\u00f4i \u0111\u00e3 t\u1eebng th\u1ea5y m\u1ed9t th\u1ee3 v\u1eadn h\u00e0nh v\u1edbi 25 n\u0103m kinh nghi\u1ec7m th\u1eed m\u1ed9t bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 m\u1edbi gi\u1ed1ng nh\u01b0 c\u00e1ch m\u1ed9t th\u1ee3 m\u00e1y th\u1eed k\u1eb9p\u2014b\u1eb1ng c\u00e1ch \u0111\u1ea9y v\u00e0o n\u00f3.<\/p>\n\n\n\n

    \u00d4ng \u1ea5y tr\u01b0\u1ee3t m\u1ed9t ch\u1ed1t 10mm v\u00e0o v\u00f9ng ph\u00e1t hi\u1ec7n t\u1eeb b\u00ean c\u1ea1nh trong khi m\u00e1y \u0111ang ti\u1ebfp c\u1eadn. C\u1eef ch\u1eb7n d\u1eebng l\u1ea1i ngay l\u1eadp t\u1ee9c. \u00d4ng g\u1eadt \u0111\u1ea7u.<\/p>\n\n\n\n

    Sau \u0111\u00f3 \u00f4ng th\u1eed \u201cc\u01b0\u1ee1i\u201d v\u1eadt li\u1ec7u l\u00ean tr\u00ean khi u\u1ed1n h\u1ed9p, mong \u0111\u1ee3i nh\u1eefng l\u1ea7n d\u1eebng phi\u1ec1n to\u00e1i. Kh\u00f4ng c\u00f3 l\u1ea7n n\u00e0o. H\u1ec7 th\u1ed1ng ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c m\u00e9p \u0111\u1ee9ng l\u00ean kh\u1ecfi s\u1ef1 x\u00e2m nh\u1eadp ngang. \u00d4ng l\u1ea1i g\u1eadt \u0111\u1ea7u.<\/p>\n\n\n\n

    Ni\u1ec1m tin \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng theo t\u1eebng c\u00fa v\u1eadn h\u00e0nh, kh\u00f4ng ph\u1ea3i trong c\u00e1c cu\u1ed9c h\u1ecdp.<\/p>\n\n\n\n

    Nh\u01b0ng c\u00e1c c\u1ef1u binh c\u0169ng c\u00f3 tr\u00ed nh\u1edb c\u01a1 b\u1eafp. N\u1ebfu m\u00e0n ch\u1eafn c\u0169 d\u1eebng m\u1ed7i ba chu k\u1ef3, h\u1ecd \u0111\u00e3 h\u1ecdc c\u00e1ch l\u01a1 l\u1eedng, n\u00e2ng tr\u01b0\u1edbc, ho\u1eb7c \u2014 t\u1ec7 h\u01a1n \u2014 t\u1eaft ch\u1ebf \u0111\u1ed9. Mang h\u1ec7 th\u1ed1ng m\u1edbi v\u00e0o v\u00e0 h\u1ecd s\u1ebd t\u00ecm nh\u1eefng m\u00f4 th\u1ee9c l\u00e1ch lu\u1eadt t\u01b0\u01a1ng t\u1ef1.<\/p>\n\n\n\n

    \u0110\u00e2y l\u00e0 n\u01a1i c\u1ea5u h\u00ecnh v\u00e0 gi\u00e1m s\u00e1t tr\u1edf n\u00ean quan tr\u1ecdng.<\/p>\n\n\n\n

    N\u1ebfu h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u ch\u1eb7n th\u1ee7 c\u00f4ng li\u00ean t\u1ee5c ho\u1eb7c c\u00f3 ch\u1ebf \u0111\u1ed9 ghi \u0111\u00e8 d\u1ec5 truy c\u1eadp, th\u00ec b\u1ea1n l\u1ea1i quay v\u1ec1 v\u1ea5n \u0111\u1ec1 d\u00e2y thun. V\u00e0 t\u00f4i s\u1ebd nh\u1eafc l\u1ea1i gi\u1ed1ng nh\u01b0 t\u00f4i n\u00f3i tr\u00ean s\u00e0n: \u201dN\u1ebfu m\u1ed9t th\u1ee3 v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u h\u00f3a n\u00f3 ch\u1ec9 v\u1edbi m\u1ed9t s\u1ee3i d\u00e2y thun tr\u1ecb gi\u00e1 3 xu, th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ki\u1ec3m so\u00e1t \u2014 m\u00e0 ch\u1ec9 l\u00e0 g\u1ee3i \u00fd\u201d.\u201d<\/p>\n\n\n\n

    C\u00e1c h\u1ec7 th\u1ed1ng laser hi\u1ec7n \u0111\u1ea1i k\u1ebft n\u1ed1i v\u1edbi PLC (b\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u1eadp tr\u00ecnh) an to\u00e0n c\u1ee7a m\u00e1y c\u00f3 th\u1ec3 kh\u00f3a ch\u1ebf \u0111\u1ed9 ghi \u0111\u00e8 m\u00e0 kh\u00f4ng c\u1ea7n \u1ee7y quy\u1ec1n b\u1eb1ng ch\u00eca kh\u00f3a v\u00e0 ghi l\u1ea1i c\u00e1c s\u1ef1 ki\u1ec7n x\u00e2m nh\u1eadp. Nh\u1eadt k\u00fd ki\u1ec3m tra n\u00e0y thay \u0111\u1ed5i h\u00e0nh vi. Khi th\u1ee3 v\u1eadn h\u00e0nh bi\u1ebft m\u1ed7i l\u1ea7n t\u1eaft, m\u1ed7i l\u1ea7n \u0111\u1eb7t l\u1ea1i, m\u1ed7i l\u1ed7i \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi c\u00f9ng d\u1ea5u th\u1eddi gian, vi\u1ec7c l\u00e1ch lu\u1eadt t\u00f9y ti\u1ec7n gi\u1ea3m nhanh ch\u00f3ng.<\/p>\n\n\n\n

    Nh\u01b0ng \u0111\u00e2y m\u1edbi l\u00e0 thay \u0111\u1ed5i l\u1edbn h\u01a1n.<\/p>\n\n\n\n

    Khi c\u00e1c l\u1ea7n d\u1eebng phi\u1ec1n to\u00e1i bi\u1ebfn m\u1ea5t, \u0111\u1ed9ng l\u1ef1c \u0111\u1ec3 gian l\u1eadn c\u0169ng bi\u1ebfn m\u1ea5t theo. Th\u1ee3 v\u1eadn h\u00e0nh gi\u1eef \u0111\u1ea7u ng\u00f3n tay c\u00e1ch m\u00e9p t\u1ea1o h\u00ecnh 30mm cho \u0111\u1ebfn khi v\u1eadt l\u00fd \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i s\u1ef1 b\u1ef1c b\u1ed9i \u2014 bu\u1ed9c ph\u1ea3i r\u00fat tay. \u0110i\u1ec1u \u0111\u00f3 gi\u1eef c\u1ea3 ki\u1ec3m so\u00e1t v\u00e0 th\u1eddi gian chu k\u1ef3. V\u1edbi h\u01a1n n\u0103m tr\u0103m chi ti\u1ebft tr\u00ean th\u1ebb s\u1ea3n xu\u1ea5t, lo\u1ea1i b\u1ecf ch\u1ec9 1,5 gi\u00e2y \u0111\u1eb7t l\u1ea1i m\u1ed7i c\u00fa v\u1eadn h\u00e0nh gi\u00fap b\u1ea1n l\u1ea5y l\u1ea1i h\u01a1n 12 ph\u00fat trong ng\u00e0y.<\/p>\n\n\n\n

    C\u00e2u h\u1ecfi s\u1ed1ng c\u00f2n khi ki\u1ec3m to\u00e1n kh\u00f4ng ph\u1ea3i l\u00e0 \u201cLaser t\u1ed1t h\u01a1n m\u00e0n ch\u1eafn?\u201d<\/p>\n\n\n\n

    M\u00e0 l\u00e0: m\u00e1y \u00e9p c\u1ee7a b\u1ea1n, v\u1edbi hi\u1ec7u su\u1ea5t d\u1eebng \u0111\u01b0\u1ee3c ghi ch\u00e9p, \u0111i\u1ec1u khi\u1ec3n t\u00edch h\u1ee3p, v\u00e0 c\u1ea5u h\u00ecnh k\u1ef7 lu\u1eadt, c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 b\u1ea3o v\u1ec7 \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n m\u00e0 kh\u00f4ng g\u00e2y ra t\u00ecnh tr\u1ea1ng v\u01b0\u1ee3t th\u1ee7y l\u1ef1c hay l\u00e1ch lu\u1eadt c\u1ee7a con ng\u01b0\u1eddi kh\u00f4ng?<\/p>\n\n\n\n

    Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi \u0111\u00f3 b\u1eb1ng s\u1ed1 \u0111o v\u00e0 h\u00e0nh vi \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i ti\u1ebfp th\u1ecb \u2014 v\u00e0 b\u1ea1n kh\u00f4ng ch\u1ec9 s\u1ed1ng s\u00f3t qua b\u00e0i ki\u1ec3m tra th\u1ef1c t\u1ebf c\u1ee7a vi\u1ec7c c\u1ea3i t\u1ea1o.<\/p>\n\n\n\n

    B\u1ea1n c\u00f2n gi\u00e0nh quy\u1ec1n v\u1eadn h\u00e0nh g\u1ea7n h\u01a1n, nhanh h\u01a1n, v\u00e0 v\u1eabn ng\u1ee7 ngon v\u00e0o ban \u0111\u00eam.<\/p>\n\n\n\n

    \u0110i\u1ec1u n\u00e0y \u0111\u1eb7t ra c\u00e2u h\u1ecfi kh\u00f3 h\u01a1n.<\/p>\n\n\n\n

    \u1ede \u0111\u00e2u c\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y ho\u00e0n to\u00e0n kh\u00f4ng h\u1ee3p l\u00fd?<\/p>\n\n\n\n

    N\u01a1i m\u00e0 H\u1ec7 th\u1ed1ng Laser kh\u00f4ng ph\u1ea3i l\u00e0 gi\u1ea3i ph\u00e1p th\u1ea7n k\u1ef3<\/h2>\n\n\n\n

    B\u1ea1n mu\u1ed1n c\u00e2u tr\u1ea3 l\u1eddi th\u1eb3ng th\u1eafn? Vi\u1ec7c b\u1ea3o v\u1ec7 b\u1eb1ng laser \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n kh\u00f4ng<\/strong> c\u00f3 \u00fd ngh\u0129a khi m\u00f4i tr\u01b0\u1eddng \u0111\u00e1nh l\u1eeba quang h\u1ecdc ho\u1eb7c khi k\u00edch th\u01b0\u1edbc c\u00f4ng vi\u1ec7c v\u01b0\u1ee3t qu\u00e1 v\u00f9ng b\u1ea3o v\u1ec7.<\/p>\n\n\n\n

    T\u00f4i y\u00eau nh\u1eefng g\u00ec m\u1ed9t h\u1ec7 th\u1ed1ng laser \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ed1t c\u00f3 th\u1ec3 l\u00e0m. T\u00f4i \u0111\u00e3 th\u1ea5y n\u00f3 ch\u1ea1y c\u00e1ch 14mm d\u01b0\u1edbi c\u00fa ch\u1ea5n, t\u1eaft \u1edf 6mm tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac, cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh gi\u1eef c\u00e1c \u0111\u1ea7u ng\u00f3n tay ch\u00ednh x\u00e1c \u1edf v\u1ecb tr\u00ed m\u00e0 tr\u00ed nh\u1edb c\u01a1 b\u1eafp mong mu\u1ed1n. N\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n \u0111i s\u00e1t vai v\u1edbi c\u00f4ng c\u1ee5 thay v\u00ec m\u1ed9t h\u00e0ng r\u00e0o \u0111\u1eb7t c\u00e1ch 800mm ph\u00eda sau.<\/p>\n\n\n\n

    Nh\u01b0ng m\u1ed9t ng\u01b0\u1eddi h\u1ed7 tr\u1ee3 v\u1eabn c\u1ea7n \u0111\u00f4i m\u1eaft s\u00e1ng.<\/p>\n\n\n\n

    Khi kh\u00f4ng kh\u00ed tr\u1edf n\u00ean m\u1edd \u0111\u1ee5c, ho\u1eb7c khi chi ti\u1ebft ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t t\u1ea5m g\u01b0\u01a1ng, th\u00ec v\u1eadt l\u00fd v\u1ed1n l\u00e0m cho b\u1ea3o v\u1ec7 g\u1ea7n tr\u1edf n\u00ean tinh t\u1ebf b\u1eaft \u0111\u1ea7u ch\u1ed1ng l\u1ea1i b\u1ea1n. V\u00e0 khi b\u1ea1n \u0111ang v\u1eadt l\u1ed9n v\u1edbi m\u1ed9t t\u1ea5m kim lo\u1ea1i d\u00e0i 4 m\u00e9t n\u1eb7ng nh\u01b0 m\u1ed9t chi\u1ebfc xe h\u01a1i nh\u1ecf, kho\u1ea3ng c\u00e1ch g\u1ea7n kh\u00f4ng c\u00f2n l\u00e0 bi\u1ebfn s\u1ed1 r\u1ee7i ro duy nh\u1ea5t c\u1ee7a b\u1ea1n n\u1eefa.<\/p>\n\n\n\n

    V\u1eady n\u00f3 th\u1ef1c s\u1ef1 ph\u00e1 v\u1ee1 \u1edf \u0111\u00e2u?<\/p>\n\n\n\n

    Gi\u1edbi h\u1ea1n m\u00f4i tr\u01b0\u1eddng: C\u00e1ch m\u00e0 b\u1ee5i, l\u1edbp oxit v\u00e0 v\u1eadt li\u1ec7u ph\u1ea3n chi\u1ebfu cao khi\u1ebfn quang h\u1ecdc b\u1ecb r\u1ed1i lo\u1ea1n<\/h3>\n\n\n\n

    H\u1ec7 th\u1ed1ng quang h\u1ecdc gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng \u00e1nh s\u00e1ng truy\u1ec1n theo \u0111\u01b0\u1eddng th\u1eb3ng, c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n. Gi\u1ea3 \u0111\u1ecbnh \u0111\u00f3 r\u1ea5t mong manh.<\/p>\n\n\n\n

    H\u00e3y l\u1ea5y v\u00ed d\u1ee5 u\u1ed1n t\u1ea5m d\u00e0y sau khi c\u1eaft plasma ho\u1eb7c oxy-nhi\u00ean li\u1ec7u. B\u1ea1n c\u00f3 l\u1edbp oxit m\u1ecbn bay l\u01a1 l\u1eedng trong kh\u00f4ng kh\u00ed, \u0111\u00f4i khi th\u1ea5y r\u00f5 d\u01b0\u1edbi ch\u00f9m \u00e1nh s\u00e1ng t\u1eeb \u0111\u00e8n tr\u1ea7n. C\u00e1c h\u1ea1t n\u00e0y kh\u00f4ng quan t\u00e2m \u0111\u1ebfn m\u1ee9c \u0111\u00e1nh gi\u00e1 h\u1ea1ng m\u1ee5c an to\u00e0n c\u1ee7a b\u1ea1n. Ch\u00fang t\u00e1n x\u1ea1 v\u00e0 l\u00e0m suy y\u1ebfu t\u00edn hi\u1ec7u laser. B\u1ed9 thu nh\u1eadn th\u1ea5y nhi\u1ec5u. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u1ea5y s\u1ef1 gi\u00e1n \u0111o\u1ea1n. B\u1ea1n th\u1ea5y c\u00e1c l\u1ea7n d\u1eebng phi\u1ec1n to\u00e1i.<\/p>\n\n\n\n

    Hai l\u1ea7n d\u1eebng cho m\u1ed7i t\u1ea5m trong chu k\u1ef3 6 ph\u00fat nghe c\u00f3 v\u1ebb t\u1ea7m th\u01b0\u1eddng cho \u0111\u1ebfn khi b\u1ea1n c\u1ed9ng d\u1ed3n qua n\u0103m tr\u0103m chi ti\u1ebft tr\u00ean danh s\u00e1ch c\u00f4ng vi\u1ec7c. \u0110\u00e2y kh\u00f4ng c\u00f2n l\u00e0 cu\u1ed9c tranh lu\u1eadn v\u1ec1 an to\u00e0n n\u1eefa. \u0110\u00e2y l\u00e0 m\u1ed9t n\u00fat th\u1eaft c\u1ed5 chai \u1edf c\u00f4ng \u0111o\u1ea1n t\u1ea1o h\u00ecnh g\u00e2y thi\u1ebfu h\u1ee5t cho h\u00e0n.<\/p>\n\n\n\n

    Th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u01b0\u1ee3c \u0111\u00e1nh b\u00f3ng cao mang \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 kh\u00e1c. Thay v\u00ec t\u00e1n x\u1ea1 ch\u00f9m tia, n\u00f3 c\u00f3 th\u1ec3 ph\u1ea3n x\u1ea1. Gi\u1edd b\u1ea1n \u0111\u1ed1i m\u1eb7t v\u1edbi kh\u1ea3 n\u0103ng \u0111\u1ecdc sai t\u00edn hi\u1ec7u ho\u1eb7c t\u00edn hi\u1ec7u kh\u00f4ng \u1ed5n \u0111\u1ecbnh n\u1ebfu c\u0103n ch\u1ec9nh kh\u00f4ng ch\u00ednh x\u00e1c trong v\u00e0i milim\u00e9t. R\u00e0o s\u00e1ng\u2014m\u00e1y ph\u00e1t v\u00e0 m\u00e1y thu t\u0129nh tr\u1ea3i d\u00e0i tr\u00ean m\u1ed9t m\u1eb7t ph\u1eb3ng c\u1ed1 \u0111\u1ecbnh\u2014th\u01b0\u1eddng ch\u1ecbu \u0111\u1ef1ng t\u1ed1t h\u01a1n s\u1ef1 h\u1ed7n lo\u1ea1n m\u00f4i tr\u01b0\u1eddng v\u00ec n\u00f3 b\u1ea3o v\u1ec7 c\u1ea3 kh\u00f4ng gian, kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1eddng k\u1eb9p.<\/p>\n\n\n\n

    V\u00e0 kh\u00f4ng h\u1ec7 th\u1ed1ng quang h\u1ecdc n\u00e0o ch\u1ee9a \u0111\u01b0\u1ee3c m\u1ea3nh v\u1ee5n.<\/p>\n\n\n\n

    N\u1ebfu b\u1ea1n \u0111ang u\u1ed1n c\u1ea1nh m\u1ed9t \u00f4 h\u00e0n b\u1eafn ra tia l\u1eeda ho\u1eb7c c\u00f3 m\u1ea3nh v\u1ee5n th\u1ec9nh tho\u1ea3ng b\u1eadt ra t\u1eeb m\u1ed9t m\u00e1y \u0111\u1ed9t b\u1ea3o tr\u00ec k\u00e9m, laser s\u1ebd kh\u00f4ng d\u1eebng c\u00e1c m\u1ea3nh kim lo\u1ea1i. C\u1eeda ch\u1eafn v\u1eadt l\u00fd th\u00ec c\u00f3. T\u00f4i \u0111\u00e3 ch\u1ec9 \u0111\u1ecbnh c\u00e1c h\u00e0ng r\u00e0o ch\u1eafn trong nh\u1eefng \u00f4 m\u00e0 c\u1ea3 r\u00e0o s\u00e1ng v\u00e0 laser \u0111\u1ec1u \u0111\u1ea1t ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt nh\u01b0ng v\u1ec1 v\u1eadn h\u00e0nh th\u00ec m\u00f9 v\u1edbi c\u00e1c nguy c\u01a1 ph\u1ee5.<\/p>\n\n\n\n

    \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 ch\u00ea laser. \u0110\u00f3 l\u00e0 l\u1eddi nh\u1eafc r\u1eb1ng ch\u00fang gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c\u2014\u0111i\u1ec3m t\u00e1c \u0111\u1ed9ng\u2014v\u00e0 kh\u00f4ng g\u00ec kh\u00e1c.<\/p>\n\n\n\n

    \u0110i\u1ec1u n\u00e0y khi\u1ebfn b\u1ea1n t\u1ef1 h\u1ecfi: chuy\u1ec7n g\u00ec x\u1ea3y ra khi v\u1ea5n \u0111\u1ec1 kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf \u0111i\u1ec3m t\u00e1c \u0111\u1ed9ng?<\/p>\n\n\n\n

    U\u1ed1n kh\u1ed5 l\u1edbn v\u00e0 d\u1ee5ng c\u1ee5 s\u00e2u: Nh\u1eefng k\u1ecbch b\u1ea3n m\u00e0 r\u00e0o s\u00e1ng v\u1eabn l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh h\u01a1n<\/h3>\n\n\n\n

    Gi\u1edd h\u00e3y h\u00ecnh dung m\u1ed9t m\u00e1y \u00e9p 320 t\u1ea5n v\u1edbi b\u00e0n d\u00e0i 4.000mm ch\u1ea1y c\u00e1c t\u1ea5m th\u00e9p th\u01b0\u1eddng 8mm. Hai ng\u01b0\u1eddi v\u1eadn h\u00e0nh. \u0110\u00f4i khi ba. T\u1ea5m th\u00e9p cong 20mm d\u01b0\u1edbi tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u00ednh n\u00f3 tr\u01b0\u1edbc khi ch\u1ea1m v\u00e0o vai khu\u00f4n.<\/p>\n\n\n\n

    V\u00f9ng r\u1ee7i ro c\u1ee7a b\u1ea1n v\u1eeba m\u1edf r\u1ed9ng v\u01b0\u1ee3t qu\u00e1 14mm d\u01b0\u1edbi c\u00fa ch\u1ea5n.<\/p>\n\n\n\n

    Trong c\u00f4ng vi\u1ec7c kh\u1ed5 l\u1edbn, tay kh\u00f4ng ch\u1ec9 l\u01a1 l\u1eedng g\u1ea7n m\u1ed9t \u0111\u01b0\u1eddng k\u1eb9p duy nh\u1ea5t. Ch\u00fang \u0111ang gi\u1eef \u1ed5n \u0111\u1ecbnh, d\u1eabn h\u01b0\u1edbng, ch\u1ed1ng l\u1ea1i s\u1ef1 ch\u00f9ng xu\u1ed1ng tr\u00ean h\u00e0ng m\u00e9t v\u1eadt li\u1ec7u. Laser theo d\u1ee5ng c\u1ee5 b\u1ea3o v\u1ec7 v\u00f9ng t\u1ea1o h\u00ecnh ngay l\u1eadp t\u1ee9c r\u1ea5t t\u1ed1t. N\u00f3 kh\u00f4ng t\u1ea1o ra chu vi xung quanh ph\u1ea7n c\u00f2n l\u1ea1i c\u1ee7a kh\u1ed1i v\u1eadt di chuy\u1ec3n \u0111\u00f3.<\/p>\n\n\n\n

    R\u00e0o s\u00e1ng, \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf kho\u1ea3ng c\u00e1ch an to\u00e0n t\u00ednh to\u00e1n d\u1ef1a tr\u00ean th\u1eddi gian d\u1eebng \u0111o \u0111\u01b0\u1ee3c, t\u1ea1o ra ranh gi\u1edbi r\u00f5 r\u00e0ng. B\u01b0\u1edbc v\u00e0o trong khi m\u00e1y \u0111ang ti\u1ebfn, m\u00e1y s\u1ebd kh\u00f4ng v\u1eadn h\u00e0nh. H\u00ecnh h\u1ecdc \u0111\u01a1n gi\u1ea3n. \u00cdt bi\u1ebfn s\u1ed1 h\u01a1n. Trong c\u00e1c k\u1ecbch b\u1ea3n u\u1ed1n nh\u00f3m, s\u1ef1 \u0111\u01a1n gi\u1ea3n \u0111\u00f3 quan tr\u1ecdng h\u01a1n kho\u1ea3ng c\u00e1ch g\u1ea7n.<\/p>\n\n\n\n

    B\u1ed9 d\u1ee5ng c\u1ee5 \u00e9p s\u00e2u c\u0169ng c\u00f3 th\u1ec3 \u0111\u1ea9y b\u1ea1n \u0111\u1ebfn \u0111\u00f3.<\/p>\n\n\n\n

    N\u1ebfu b\u1ea1n \u0111ang v\u1eadn h\u00e0nh c\u00e1c chi ti\u1ebft c\u00f3 th\u00e0nh cao c\u1ea7n ch\u1eb7n r\u00e3nh ho\u1eb7c chi\u1ebfn l\u01b0\u1ee3c t\u1eaft \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 x\u1eed l\u00fd m\u00e9p g\u1ea5p, b\u1ea1n \u0111ang t\u0103ng th\u00eam \u0111\u1ed9 ph\u1ee9c t\u1ea1p trong c\u1ea5u h\u00ecnh. \u0110\u1ed9 ph\u1ee9c t\u1ea1p d\u1eabn \u0111\u1ebfn sai c\u1ea5u h\u00ecnh. V\u00e0 sai c\u1ea5u h\u00ecnh l\u1ea1i d\u1eabn \u0111\u1ebfn c\u00f9ng m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u0169: b\u1ea3o v\u1ec7 tr\u00ean gi\u1ea5y t\u1edd, nh\u01b0ng c\u00f3 kho\u1ea3ng tr\u1ed1ng trong th\u1ef1c t\u1ebf. T\u00f4i \u0111\u00e3 th\u1ea5y nh\u1eefng thi\u1ebft l\u1eadp m\u00e0 v\u00f9ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 v\u00e0 v\u00f9ng nguy hi\u1ec3m th\u1ef1c t\u1ebf kh\u00f4ng tr\u00f9ng kh\u1edbp ho\u00e0n to\u00e0n v\u00ec h\u00ecnh h\u1ecdc c\u1ee7a chi ti\u1ebft bu\u1ed9c ph\u1ea3i th\u1ecfa hi\u1ec7p.<\/p>\n\n\n\n

    T\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3, c\u00e2u h\u1ecfi chuy\u1ec3n h\u01b0\u1edbng.<\/p>\n\n\n\n

    Kh\u00f4ng c\u00f2n l\u00e0 \u201cThi\u1ebft b\u1ecb n\u00e0o ti\u00ean ti\u1ebfn h\u01a1n?\u201d m\u00e0 l\u00e0 \u201cThi\u1ebft b\u1ecb n\u00e0o b\u1ea3o v\u1ec7 ph\u1ea1m vi r\u1ee7i ro th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng vi\u1ec7c n\u00e0y v\u1edbi \u00edt thao t\u00e1c kh\u00f3 kh\u0103n nh\u1ea5t cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh?\u201d<\/p>\n\n\n\n

    B\u1edfi v\u00ec \u0111\u00f4i khi h\u00e0ng r\u00e0o c\u1ed1 \u0111\u1ecbnh quanh m\u00e1y ch\u00ednh l\u00e0 th\u1ee9 c\u00f4ng vi\u1ec7c c\u1ea7n \u2014 v\u00e0 c\u1ed1 g\u1eafng \u00e9p th\u00eam m\u1ed9t ng\u01b0\u1eddi quan s\u00e1t \u0111\u1ee9ng k\u1ec1 vai v\u00e0o t\u00ecnh hu\u1ed1ng \u0111\u00f3 ch\u1ec9 t\u1ea1o th\u00eam c\u00e1c b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng m\u00e0 b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n

    V\u00e0 \u0111\u00f3 l\u00e0 l\u00fac v\u1ea5n \u0111\u1ec1 kh\u00f4ng c\u00f2n l\u00e0 s\u1edf th\u00edch c\u00f4ng ngh\u1ec7 n\u1eefa, m\u00e0 l\u00e0 m\u1ee5c ti\u00eau v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

    Ng\u1eebng Mua R\u00e0o C\u1ea3n, H\u00e3y B\u1eaft \u0110\u1ea7u Mua T\u1ed1c \u0110\u1ed9 U\u1ed1n<\/h2>\n\n\n\n

    B\u1ea1n kh\u00f4ng ch\u1ecdn gi\u1eefa \u201claser\u201d v\u00e0 \u201cr\u00e8m s\u00e1ng.\u201d B\u1ea1n \u0111ang ch\u1ecdn xem c\u00f3 bao nhi\u00eau chi ti\u1ebft ho\u00e0n thi\u1ec7n r\u1eddi kh\u1ecfi nh\u00e0 x\u01b0\u1edfng tr\u01b0\u1edbc khi ca hai k\u1ebft th\u00fac.<\/p>\n\n\n\n

    \u0110\u00f3 l\u00e0 ph\u1ea7n kh\u00f3 nh\u1eadn ra. H\u1ea7u h\u1ebft c\u00e1c ch\u1ee7 doanh nghi\u1ec7p v\u1eabn \u0111\u1eb7t quy\u1ebft \u0111\u1ecbnh quanh t\u1ec9 l\u1ec7 s\u1ef1 c\u1ed1 v\u00e0 ng\u00f4n ng\u1eef \u0111\u00e1nh gi\u00e1 ki\u1ec3m to\u00e1n. T\u00f4i l\u1ea1i nh\u00ecn theo n\u0103ng su\u1ea5t th\u1ef1c t\u1ebf trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c: th\u1eddi gian d\u1eebng, h\u00ecnh h\u1ecdc chi ti\u1ebft, h\u00e0nh vi ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 t\u1ea7n su\u1ea5t m\u00e1y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t l\u1ea1i v\u00ec chuy\u1ec3n \u0111\u1ed9ng t\u1ef1 nhi\u00ean c\u1ee7a ai \u0111\u00f3 v\u01b0\u1ee3t qua m\u1ed9t \u0111\u01b0\u1eddng v\u00f4 h\u00ecnh.<\/p>\n\n\n\n

    R\u00e8m s\u00e1ng t\u0129nh l\u00e0 h\u00e0ng r\u00e0o c\u1ed1 \u0111\u1ecbnh bao quanh m\u1ed9t quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed9ng. H\u00e0ng r\u00e0o laser l\u00e0 c\u1ea3m bi\u1ebfn di chuy\u1ec3n c\u00e1ch \u0111\u1ea7u ch\u00e0y 14\u202fmm, t\u1eaft \u1edf 6\u202fmm tr\u01b0\u1edbc khi ti\u1ebfp x\u00fac, thu h\u1eb9p v\u00f9ng b\u1ea3o v\u1ec7 v\u1ec1 \u0111\u00fang \u0111i\u1ec3m k\u1eb9p. M\u1ed9t c\u00e1i b\u1ea3o v\u1ec7 kh\u00f4ng gian. C\u00e1i kia b\u1ea3o v\u1ec7 chuy\u1ec3n \u0111\u1ed9ng. Ch\u1ec9 m\u1ed9t trong hai c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo t\u1ed1c \u0111\u1ed9 chu k\u1ef3.<\/p>\n\n\n\n

    V\u1eady b\u1ea1n quy\u1ebft \u0111\u1ecbnh m\u00e0 kh\u00f4ng ph\u1ea3i \u0111o\u00e1n b\u1eb1ng c\u00e1ch n\u00e0o?<\/p>\n\n\n\n

    H\u00e3y b\u1eaft \u0111\u1ea7u t\u1eeb quy tr\u00ecnh, kh\u00f4ng ph\u1ea3i thi\u1ebft b\u1ecb: B\u1ea1n th\u1ef1c s\u1ef1 \u0111ang c\u1ed1 b\u1ea3o v\u1ec7 \u0111i\u1ec1u g\u00ec?<\/h3>\n\n\n\n

    B\u01b0\u1edbc \u0111\u1ebfn m\u00e1y ch\u1ea5n. \u0110\u1eebng nh\u00ecn v\u00e0o thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 tr\u01b0\u1edbc. H\u00e3y nh\u00ecn v\u00e0o \u0111\u00f4i tay.<\/p>\n\n\n\n

    Ch\u00fang c\u00f3 \u0111ang gi\u1eef \u1ed5n \u0111\u1ecbnh m\u1ed9t t\u1ea5m th\u00e9p d\u00e0i 4.000\u202fmm b\u1ecb cong 20\u202fmm do tr\u1ecdng l\u01b0\u1ee3ng b\u1ea3n th\u00e2n kh\u00f4ng? C\u00f3 hai ng\u01b0\u1eddi v\u1eadn h\u00e0nh di chuy\u1ec3n l\u1eabn v\u00e0o v\u00f9ng c\u1ee7a nhau kh\u00f4ng? Hay ch\u1ec9 c\u00f3 m\u1ed9t ng\u01b0\u1eddi \u0111ang ch\u1ea1y l\u1eb7p l\u1ea1i c\u00e1c gi\u00e1 \u0111\u1ee1, ng\u00f3n tay lu\u00f4n trong ph\u1ea1m vi 30\u202fmm t\u1eeb vai khu\u00f4n su\u1ed1t c\u1ea3 ng\u00e0y?<\/p>\n\n\n\n

    B\u1ea1n kh\u00f4ng b\u1ea3o v\u1ec7 \u201cm\u1ed9t m\u00e1y ch\u1ea5n.\u201d B\u1ea1n \u0111ang b\u1ea3o v\u1ec7 m\u1ed9t m\u1eabu chuy\u1ec3n \u0111\u1ed9ng con ng\u01b0\u1eddi c\u1ee5 th\u1ec3 trong m\u1ed9t ph\u1ea1m vi r\u1ee7i ro c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

    N\u1ebfu nguy c\u01a1 th\u1ef1c s\u1ef1 l\u00e0 \u0111\u01b0\u1eddng k\u1eb9p 14\u202fmm d\u01b0\u1edbi \u0111\u1ea7u ch\u00e0y khi u\u1ed1n l\u00f4 nh\u1ecf, th\u00ec laser \u0111\u1ed9ng b\u00e1m theo d\u1ee5ng c\u1ee5 l\u00e0 h\u1ee3p l\u00fd. N\u00f3 thu nh\u1ecf v\u00f9ng b\u1ea3o v\u1ec7 \u0111\u1ec3 kh\u1edbp v\u1edbi v\u00f9ng nguy hi\u1ec3m. Ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u00e0m vi\u1ec7c t\u1ef1 nhi\u00ean. Kh\u00f4ng c\u1ea7n l\u00f9i 800\u202fmm \u0111\u1ec3 v\u01b0\u1ee3t qua m\u1eb7t ph\u1eb3ng r\u00e8m s\u00e1ng.<\/p>\n\n\n\n

    N\u1ebfu nguy c\u01a1 bao g\u1ed3m v\u1ea3y kim lo\u1ea1i b\u1eafn ra t\u1eeb t\u1ea5m c\u1eaft plasma ho\u1eb7c ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u1ee9 hai \u0111i l\u1ea1c v\u00e0o v\u00f9ng l\u00e0m vi\u1ec7c, th\u00ec \u0111\u00f3 kh\u00f4ng ph\u1ea3i v\u1ea5n \u0111\u1ec1 c\u1ee7a \u0111\u01b0\u1eddng k\u1eb9p. \u0110\u00f3 l\u00e0 v\u1ea5n \u0111\u1ec1 chu vi. M\u1ed9t r\u00e0o ch\u1eafn v\u1eadt l\u00fd ho\u1eb7c r\u00e8m s\u00e1ng \u0111\u1eb7t c\u00e1ch h\u1ee3p l\u00fd s\u1ebd b\u1ea3o v\u1ec7 h\u00ecnh h\u1ecdc l\u1edbn h\u01a1n.<\/p>\n\n\n\n

    \u0110\u00e2y l\u00e0 b\u1ed9 l\u1ecdc t\u00f4i s\u1eed d\u1ee5ng: v\u1ebd s\u01a1 \u0111\u1ed3 v\u1ecb tr\u00ed tay c\u00f3 ch\u1ee7 \u0111\u00edch g\u1ea7n nh\u1ea5t t\u00ednh b\u1eb1ng milim\u00e9t t\u1eeb \u0111\u1ea7u ch\u00e0y t\u1ea1i th\u1eddi \u0111i\u1ec3m r\u1ee7i ro cao nh\u1ea5t. Sau \u0111\u00f3 v\u1ebd s\u01a1 \u0111\u1ed3 \u0111i\u1ec3m ph\u01a1i nhi\u1ec5m ngo\u00e0i \u00fd mu\u1ed1n xa nh\u1ea5t \u2014 khi l\u00e0m vi\u1ec7c nh\u00f3m, khi v\u1eadt li\u1ec7u b\u1eadt ng\u01b0\u1ee3c, khi c\u00f3 m\u1ea3nh v\u1ee5n. Ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 ph\u1ea3i bao ph\u1ee7 c\u1ea3 hai. N\u1ebfu m\u1ed9t thi\u1ebft b\u1ecb bu\u1ed9c b\u1ea1n ph\u1ea3i thay \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng ch\u1ec9 \u0111\u1ec3 tu\u00e2n th\u1ee7, th\u00ec \u0111\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn sai.<\/p>\n\n\n\n

    B\u1edfi v\u00ec h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 \u0111i ng\u01b0\u1ee3c l\u1ea1i c\u00e1ch con ng\u01b0\u1eddi th\u1ef1c s\u1ef1 l\u00e0m vi\u1ec7c s\u1ebd b\u1ecb b\u1ecf qua.<\/p>\n\n\n\n

    Ph\u00e9p t\u00ednh ROI quan tr\u1ecdng (g\u1ee3i \u00fd: \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng th\u1eddi gian chu k\u1ef3, kh\u00f4ng ch\u1ec9 t\u1ec9 l\u1ec7 s\u1ef1 c\u1ed1)<\/h3>\n\n\n\n

    H\u00e3y n\u00f3i v\u1ec1 ti\u1ec1n b\u1ea1c, kh\u00f4ng ph\u1ea3i h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng.<\/p>\n\n\n\n

    H\u00e3y l\u1ea5y m\u1ed9t c\u00f4ng vi\u1ec7c gi\u1ea3 \u0111\u1ecbnh nh\u01b0ng th\u1ef1c t\u1ebf: chu k\u1ef3 6 gi\u00e2y, 500 chi ti\u1ebft tr\u00ean th\u1ebb theo d\u00f5i. \u0110\u00f3 l\u00e0 3.000 gi\u00e2y th\u1eddi gian h\u00e0nh tr\u00ecnh thu\u1ea7n t\u00fay\u201450 ph\u00fat. B\u00e2y gi\u1edd th\u00eam 0,5 gi\u00e2y m\u1ed7i chu k\u1ef3 v\u00ec ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i b\u01b0\u1edbc l\u00f9i l\u1ea1i \u0111\u1ec3 tr\u00e1nh r\u00e8m b\u1ea3o v\u1ec7 r\u1ed3i b\u01b0\u1edbc v\u00e0o l\u1ea1i. \u0110\u00f3 l\u00e0 th\u00eam 250 gi\u00e2y. H\u01a1n 4 ph\u00fat bi\u1ebfn m\u1ea5t.<\/p>\n\n\n\n

    Nghe c\u00f3 v\u1ebb kh\u00f4ng nghi\u00eam tr\u1ecdng.<\/p>\n\n\n\n

    Gi\u1edd h\u00e3y nh\u00e2n \u0111i\u1ec1u \u0111\u00f3 l\u00ean v\u1edbi b\u1ed1n th\u1ebb theo d\u00f5i m\u1ed7i ng\u00e0y tr\u00ean c\u00f9ng m\u1ed9t m\u00e1y u\u1ed1n. M\u01b0\u1eddi s\u00e1u ph\u00fat. Qua m\u1ed9t th\u00e1ng, b\u1ea1n \u0111\u00e3 ch\u00f4n v\u00f9i h\u00e0ng gi\u1edd th\u1eddi gian tr\u1ee5c ch\u00ednh ch\u1ec9 v\u00ec h\u00ecnh h\u1ecdc. H\u00e0n ch\u1edd. V\u1eadn chuy\u1ec3n ch\u1edd. L\u00e0m th\u00eam gi\u1edd len l\u1ecfi v\u00e0o.<\/p>\n\n\n\n

    H\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 b\u1eb1ng tia laser kh\u00f4ng th\u1ea7n k\u1ef3 khi\u1ebfn tr\u1ee5c ram nhanh h\u01a1n. Ch\u00fang lo\u1ea1i b\u1ecf c\u00e1c \u0111\u1ed9ng t\u00e1c b\u1eaft bu\u1ed9c xung quanh m\u1ed9t m\u1eb7t ph\u1eb3ng an to\u00e0n t\u0129nh. N\u1ebfu v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c t\u1ef1 nhi\u00ean c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00e3 n\u1eb1m ngo\u00e0i v\u00f9ng an to\u00e0n t\u00ednh to\u00e1n, b\u1ea1n kh\u00f4ng \u0111\u01b0\u1ee3c g\u00ec th\u00eam. Nh\u01b0ng t\u1ed1c \u0111\u1ed9 \u0111\u00f3 ch\u1ec9 gi\u1eef n\u1ebfu v\u1ecb tr\u00ed l\u00e0m vi\u1ec7c t\u1ef1 nhi\u00ean \u0111\u00e3 n\u1eb1m ngo\u00e0i v\u00f9ng an to\u00e0n t\u00ednh to\u00e1n. Khi kh\u00f4ng, b\u1ea3o v\u1ec7 \u0111\u1ed9ng s\u1ebd tr\u1ea3 l\u1ea1i nh\u1eefng gi\u00e2y qu\u00fd \u0111\u00f3.<\/p>\n\n\n\n

    V\u00e0 \u0111\u00e2y l\u00e0 s\u1ef1 th\u1eadt kh\u00f3 ch\u1ea5p nh\u1eadn: c\u1ea3 m\u00e0n ch\u1eafn \u00e1nh s\u00e1ng v\u00e0 laser \u0111\u1ec1u l\u00e0 thi\u1ebft b\u1ecb c\u1ea3m nh\u1eadn hi\u1ec7n di\u1ec7n. N\u1ebfu phanh c\u1ee7a b\u1ea1n kh\u00f4ng th\u1ec3 d\u1eebng trong c\u00e1c th\u00f4ng s\u1ed1 \u0111\u01b0\u1ee3c x\u00e1c minh, th\u00ec kh\u00f4ng c\u00e1i n\u00e0o c\u1ee9u \u0111\u01b0\u1ee3c b\u1ea1n. Hi\u1ec7u su\u1ea5t d\u1eebng c\u1ee7a h\u1ec7 th\u1ed1ng\u2014\u0111\u01b0\u1ee3c ki\u1ec3m tra, ghi nh\u1eadn, l\u1eb7p l\u1ea1i\u2014l\u00e0 n\u1ec1n t\u1ea3ng. Kh\u00f4ng c\u00f3 n\u00f3, b\u1ea1n ch\u1ec9 \u0111ang tranh lu\u1eadn v\u1ec1 m\u00e0u s\u01a1n tr\u00ean m\u1ed9t khung b\u1ecb n\u1ee9t.<\/p>\n\n\n\n

    C\u00e2u h\u1ecfi ROI th\u1ef1c s\u1ef1 kh\u00f4ng ph\u1ea3i l\u00e0 \u201cLo\u1ea1i n\u00e0o \u00edt s\u1ef1 c\u1ed1 h\u01a1n?\u201d m\u00e0 l\u00e0 \u201cLo\u1ea1i n\u00e0o cho ph\u00e9p t\u00f4i v\u1eadn h\u00e0nh g\u1ea7n nguy c\u01a1 nh\u1ea5t, an to\u00e0n nh\u1ea5t, v\u1edbi \u00edt chuy\u1ec3n \u0111\u1ed9ng kh\u00f4ng c\u1ea7n thi\u1ebft nh\u1ea5t tr\u00ean m\u1ed7i h\u00e0nh tr\u00ecnh?\u201d<\/p>\n\n\n\n

    C\u00e2u tr\u1ea3 l\u1eddi xu\u1ea5t hi\u1ec7n trong th\u1eddi gian chu k\u1ef3, kh\u00f4ng ph\u1ea3i trong s\u1ed5 ghi ch\u00e9p tai n\u1ea1n.<\/p>\n\n\n\n

    Suy ngh\u0129 l\u1ea1i ti\u00eau chu\u1ea9n: T\u1eeb vi\u1ec7c ng\u0103n ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u1ebfn vi\u1ec7c h\u1ed7 tr\u1ee3 h\u1ecd<\/h3>\n\n\n\n

    H\u1ea7u h\u1ebft c\u00e1c b\u1ea3n n\u00e2ng c\u1ea5p an to\u00e0n \u0111\u01b0\u1ee3c b\u00e1n nh\u01b0 nh\u1eefng r\u00e0ng bu\u1ed9c. Kho\u1ea3ng c\u00e1ch l\u1edbn h\u01a1n. V\u00f9ng \u0111\u1ec7m l\u1edbn h\u01a1n. H\u1ed9p b\u1ea3o v\u1ec7 l\u1edbn h\u01a1n xung quanh m\u00e1y.<\/p>\n\n\n\n

    T\u01b0 duy \u0111\u00f3 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n \u0111\u01b0\u1ee3c c\u00e1ch ly.<\/p>\n\n\n\n

    B\u1ea3o v\u1ec7 \u0111\u1ed9ng, b\u00e1m theo d\u1ee5ng c\u1ee5 \u0111\u1ea3o ng\u01b0\u1ee3c \u0111i\u1ec1u \u0111\u00f3. N\u00f3 gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a quy tr\u00ecnh v\u00e0 gi\u1eef h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00e1ch m\u0169i \u0111\u1ed9t 14mm thay v\u00ec 800mm t\u1eeb b\u0103ng s\u00e0n. N\u00f3 kh\u00f4ng ch\u1eb7n quy\u1ec1n ti\u1ebfp c\u1eadn; n\u00f3 di chuy\u1ec3n c\u00f9ng nguy c\u01a1.<\/p>\n\n\n\n

    C\u00f3 m\u1ed9t y\u1ebfu t\u1ed1 h\u00e0nh vi m\u00e0 ch\u1ee7 s\u1edf h\u1eefu th\u01b0\u1eddng b\u1ecf qua. Khi b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1ch c\u00f4ng vi\u1ec7c th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n, c\u00e1c gi\u1ea3i ph\u00e1p t\u1ea1m b\u1ee3 bi\u1ebfn m\u1ea5t. Khi kh\u00f4ng, ai \u0111\u00f3 s\u1ebd t\u00ecm ra c\u00e1ch quanh co. \u201cN\u1ebfu m\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 v\u00f4 hi\u1ec7u n\u00f3 b\u1eb1ng m\u1ed9t s\u1ee3i d\u00e2y thun gi\u00e1 3 xu, th\u00ec n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 c\u01a1 c\u1ea5u ki\u1ec3m so\u00e1t\u2014m\u00e0 ch\u1ec9 l\u00e0 m\u1ed9t l\u1eddi g\u1ee3i \u00fd.<\/strong><\/em>.\u201d<\/p>\n\n\n\n

    \u201cH\u1ed7 tr\u1ee3\u201d kh\u00f4ng c\u00f3 ngh\u0129a l\u00e0 \u201ccho ph\u00e9p t\u00f9y ti\u1ec7n\u201d. N\u00f3 c\u00f3 ngh\u0129a l\u00e0 \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh. Th\u1eddi gian d\u1eebng \u0111\u01b0\u1ee3c x\u00e1c minh. T\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch an to\u00e0n ch\u00ednh x\u00e1c. B\u1ea3o v\u1ec7 kh\u1edbp v\u1edbi v\u00f9ng r\u1ee7i ro th\u1ef1c t\u1ebf. Sau \u0111\u00f3 b\u1ea1n \u0111\u1ec3 ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u00e0m vi\u1ec7c v\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ef1 nhi\u00ean, \u0111\u1ea7y \u0111\u1ee7 trong v\u00f9ng \u0111\u00f3.<\/p>\n\n\n\n

    Ng\u1eebng mua thi\u1ebft b\u1ecb v\u00ec v\u1ebb ngo\u00e0i hi\u1ec7n \u0111\u1ea1i hay truy\u1ec1n th\u1ed1ng h\u01a1n. H\u00e3y b\u1eaft \u0111\u1ea7u mua c\u1ea5u h\u00ecnh cho ph\u00e9p b\u1ea1n v\u1eadn h\u00e0nh g\u1ea7n nguy c\u01a1 th\u1ef1c nh\u1ea5t\u2014kh\u00f4ng g\u1ea7n h\u01a1n, kh\u00f4ng xa h\u01a1n\u2014v\u1edbi \u00edt milim\u00e9t chuy\u1ec3n \u0111\u1ed9ng l\u00e3ng ph\u00ed nh\u1ea5t cho m\u1ed7i h\u00e0nh tr\u00ecnh.<\/p>\n\n\n\n

    Khi b\u1ea1n nh\u00ecn nh\u1eadn an to\u00e0n nh\u01b0 m\u1ed9t bi\u1ebfn trong th\u1eddi gian chu k\u1ef3 thay v\u00ec m\u1ed9t \u00f4 \u0111\u00e1nh d\u1ea5u tu\u00e2n th\u1ee7, quy\u1ebft \u0111\u1ecbnh s\u1ebd kh\u00f4ng c\u00f2n mang t\u00ednh c\u1ea3m x\u00fac.<\/p>\n\n\n\n

    N\u00f3 tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    He\u2019s running a 6\u2011second cycle on 11-gauge mild steel. Every stroke, he has to pull his hands and torso back 300mm to clear the light curtain. Five hundred parts on the traveler. Do the math: 2 seconds of step\u2011back and re\u2011entry per cycle is nearly 17 minutes per 500 strokes. Add hesitation, real human movement, […]<\/p>\n","protected":false},"author":1,"featured_media":1172,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1171","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1171","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/comments?post=1171"}],"version-history":[{"count":1,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1171\/revisions"}],"predecessor-version":[{"id":1176,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/1171\/revisions\/1176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/1172"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=1171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=1171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=1171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}