{"id":554,"date":"2025-02-10T09:01:04","date_gmt":"2025-02-10T09:01:04","guid":{"rendered":"https:\/\/cn-hawe.com\/press-brake-safety-guidelines\/"},"modified":"2026-03-09T01:08:49","modified_gmt":"2026-03-09T01:08:49","slug":"press-brake-safety-guidelines","status":"publish","type":"post","link":"https:\/\/cn-hawe.com\/vi\/press-brake-safety-guidelines\/","title":{"rendered":"An To\u00e0n M\u00e1y \u00c9p Ch\u1ea5n Sau S\u1ef1 C\u1ed1 Su\u00fdt Tai N\u1ea1n: C\u00e1ch Gi\u1eef T\u1ed1c \u0110\u1ed9 S\u1ea3n Xu\u1ea5t Cao \u2014 V\u00e0 V\u1eabn Ng\u1ee7 Ngon V\u00e0o Ban \u0110\u00eam"},"content":{"rendered":"

\u00c2m Thanh C\u1ee7a M\u1ed9t C\u00e1i Xilanh R\u01a1i Qu\u00e1 Nhanh\u2014V\u00e0 Ph\u1ea3n \u1ee8ng D\u00e2y Chuy\u1ec1n N\u00f3 G\u00e2y Ra<\/h2>\n\n\n\n

Xilanh th\u1ee7y l\u1ef1c r\u01a1i nhanh h\u01a1n b\u00ecnh th\u01b0\u1eddng\u2014ch\u1ec9 ch\u1eadm m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a gi\u00e2y\u2014nh\u01b0ng \u00e2m thanh th\u00ec kh\u00f4ng th\u1ec3 nh\u1ea7m l\u1eabn: m\u1ed9t ti\u1ebfng n\u1ee9t kim lo\u1ea1i m\u1ea1nh khi\u1ebfn m\u1ecdi k\u1ef9 thu\u1eadt vi\u00ean tr\u00ean s\u00e0n \u0111\u00f4ng c\u1ee9ng l\u1ea1i.\u202fKhi n\u00e3o v\u1eeba k\u1ecbp ti\u1ebfp thu \u00e2m thanh \u0111\u00f3 th\u00ec chi ti\u1ebft \u0111\u00e3 v\u1ee1 tung kh\u1ecfi khu\u00f4n.\u202fAi \u0111\u00f3 \u1edf ph\u00eda b\u00ean kia d\u00e3y m\u00e1y \u0111\u1eadp n\u00fat d\u1eebng kh\u1ea9n c\u1ea5p.\u202fT\u1ea5m kim lo\u1ea1i t\u1eebng \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh gi\u1edd tr\u1edf th\u00e0nh m\u1ed9t v\u1eadt th\u1ec3 bay.\u202fTr\u00ean m\u00e1y ch\u1ea5n, \u201cqu\u00e1 nhanh\u201d kh\u00f4ng n\u00f3i v\u1ec1 t\u1ed1c \u0111\u1ed9\u2014m\u00e0 l\u00e0 m\u1ea5t ki\u1ec3m so\u00e1t m\u1ed9t h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 t\u1ea1o ra v\u00e0i t\u1ea5n l\u1ef1c trong t\u00edch t\u1eafc.<\/p>\n\n\n\n

\"\u00c2m<\/figure>\n\n\n\n

Nhi\u1ec1u k\u1ef9 thu\u1eadt vi\u00ean ngh\u0129 r\u1eb1ng v\u00f9ng nguy hi\u1ec3m duy nh\u1ea5t l\u00e0 ch\u1ed7 \u0111\u1ed9t ch\u1ea1m v\u00e0o khu\u00f4n\u2014\u0111i\u1ec3m k\u1eb9p.\u202fTh\u1ebf nh\u01b0ng g\u1ea7n m\u1ed9t n\u1eeda s\u1ed1 ch\u1ea5n th\u01b0\u01a1ng do u\u1ed1n x\u1ea3y ra ngay t\u1ea1i \u0111\u00f3, \u0111\u00fang l\u00fac m\u1ecdi ng\u01b0\u1eddi cho r\u1eb1ng m\u00e1y \u0111ang v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng.\u202fS\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa an to\u00e0n v\u00e0 th\u1ea3m h\u1ecda n\u1eb1m trong kho\u1ea3ng 14\u202fmilim\u00e9t\u2014qu\u00e3ng h\u00e0nh tr\u00ecnh th\u00eam m\u00e0 xilanh th\u1ee7y l\u1ef1c kh\u00f4ng \u0111\u1ea1t ti\u00eau chu\u1ea9n th\u1ef1c hi\u1ec7n sau khi m\u00e0n ch\u1eafn s\u00e1ng ph\u00e1t hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng.\u202fS\u1ef1 l\u1ec7ch nh\u1eb9 \u0111\u00f3 c\u00f3 th\u1ec3 bi\u1ebfn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u00e0nh m\u1ed1i nguy.\u202fN\u1ebfu b\u1ea1n ch\u01b0a t\u1eebng \u0111o l\u01b0\u1eddng th\u1ef1c t\u1ebf kho\u1ea3ng d\u1eebng c\u1ee7a phanh, b\u1ea1n ch\u01b0a th\u1eadt s\u1ef1 x\u00e1c nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ed9 an to\u00e0n c\u1ee7a m\u00e1y\u2014cho d\u00f9 n\u00f3 v\u1eadn h\u00e0nh tr\u01a1n tru \u0111\u1ebfn \u0111\u00e2u.<\/p>\n\n\n\n

N\u0103m 2023, m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean \u0111\u00e3 thi\u1ec7t m\u1ea1ng khi t\u1ea5m th\u00e9p ch\u1ecbu l\u1ef1c cao b\u1ecb n\u1ee9t gi\u1eefa l\u00fac u\u1ed1n v\u00e0 b\u1eafn l\u00ean tr\u1ea7n v\u1edbi l\u1ef1c \u0111\u1ee7 xuy\u00ean qua c\u00e1c t\u1ea5m tr\u1ea7n.\u202f\u0110\u00f3 l\u00e0 ki\u1ec3u th\u1ea5t b\u1ea1i th\u01b0\u1eddng l\u1eb7p l\u1ea1i khi t\u1ed1c \u0111\u1ed9 r\u01a1i c\u1ee7a xilanh v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu c\u1ee7a v\u1eadt li\u1ec7u\u2014m\u1ed9t c\u00fa \u201cb\u1eadt ng\u01b0\u1ee3c\u201d d\u1eef d\u1ed9i bi\u1ebfn n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef th\u00e0nh \u0111\u1ed9ng l\u1ef1c ch\u1ebft ng\u01b0\u1eddi.\u202fNgay c\u1ea3 trong u\u1ed1n gi\u00f3 th\u00f4ng th\u01b0\u1eddng, h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao c\u0169ng c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh \u201ct\u00ean l\u1eeda \u0111\u1ed9ng n\u0103ng\u201d n\u1ebfu t\u1ed1c \u0111\u1ed9 r\u01a1i ho\u1eb7c th\u1eddi gian d\u1eebng l\u1ec7ch kh\u1ecfi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n

M\u1ec7t m\u1ecfi l\u00e0m nguy hi\u1ec3m t\u0103ng l\u00ean.\u202fTh\u1eddi gian ph\u1ea3n \u1ee9ng c\u1ee7a k\u1ef9 thu\u1eadt vi\u00ean m\u1ec7t c\u00f3 th\u1ec3 gi\u1ea3m t\u1edbi 30\u202f%, khi\u1ebfn tay v\u1eabn n\u1eb1m d\u01b0\u1edbi khu\u00f4n n\u1eeda gi\u00e2y qu\u00e1 l\u00e2u ho\u1eb7c v\u1edbi tay v\u01b0\u1ee3t qua l\u1edbp b\u1ea3o v\u1ec7 \u0111\u1ec3 ch\u1ec9nh m\u1ed9t chi ti\u1ebft nh\u1ecf.\u202fV\u00e0 trong g\u1ea7n ch\u00edn tr\u00ean m\u01b0\u1eddi tr\u01b0\u1eddng h\u1ee3p vi ph\u1ea1m OSHA b\u1ecb tr\u00edch d\u1eabn, thi\u1ebft b\u1ecb an to\u00e0n b\u1ecb c\u1ed1 t\u00ecnh b\u1ecf qua v\u00ec sai l\u1ea7m r\u1eb1ng t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u00f3.\u202fT\u01b0 duy \u1ea5y b\u1ecf qua con s\u1ed1 th\u1eadt s\u1ef1 quan tr\u1ecdng: 368 v\u1ee5 c\u1eaft c\u1ee5t li\u00ean quan \u0111\u1ebfn m\u00e1y ch\u1ea5n \u0111\u01b0\u1ee3c B\u1ed9 Lao \u0111\u1ed9ng Hoa K\u1ef3 ghi nh\u1eadn h\u00e0ng n\u0103m\u2014m\u1ed9t con s\u1ed1 c\u00f3 th\u1ec3 c\u00f2n th\u1ea5p h\u01a1n th\u1ef1c t\u1ebf.<\/p>\n\n\n\n

Nghe c\u00f3 v\u1ebb tr\u00e1i ng\u01b0\u1ee3c, nh\u01b0ng c\u00e1c x\u01b0\u1edfng ch\u00fa tr\u1ecdng an to\u00e0n nh\u1ea5t l\u1ea1i u\u1ed1n chi ti\u1ebft nhanh h\u01a1n\u2014kh\u00f4ng ch\u1eadm h\u01a1n. Nh\u1eefng \u0111\u01a1n v\u1ecb d\u1eabn \u0111\u1ea7u lu\u00f4n ki\u1ec3m tra kho\u1ea3ng d\u1eebng, kh\u00f3a k\u00edn l\u1edbp b\u1ea3o v\u1ec7 b\u00ean h\u00f4ng v\u00e0 ph\u00eda sau, \u00e1p d\u1ee5ng nghi\u00eam quy t\u1eafc ch\u1ed1ng v\u00f4 hi\u1ec7u h\u00f3a h\u1ec7 th\u1ed1ng, \u0111\u1ea1t hi\u1ec7u qu\u1ea3 thi\u1ebft b\u1ecb t\u1ed5ng th\u1ec3 90% trong khi g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 c\u1ed1. Th\u00e0nh c\u00f4ng c\u1ee7a h\u1ecd kh\u00f4ng ph\u1ea3i do may m\u1eafn; \u0111\u00f3 l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c ki\u1ec3m so\u00e1t v\u1eadt l\u00fd c\u1ea9n tr\u1ecdng. Khi xilanh h\u1ea1 xu\u1ed1ng v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u00fang, \u00e2m thanh tr\u00ean s\u00e0n l\u00e0 ti\u1ebfng c\u1ee7a s\u1ef1 ch\u00ednh x\u00e1c\u2014kh\u00f4ng ph\u1ea3i c\u1ea3nh b\u00e1o. B\u1ea5t k\u1ef3 \u00e2m thanh n\u00e0o kh\u00e1c c\u00f3 th\u1ec3 l\u00e0 th\u1ee9 b\u1ea1n ch\u1ec9 \u0111\u01b0\u1ee3c nghe m\u1ed9t l\u1ea7n duy nh\u1ea5t.<\/p>\n\n\n\n

Ki\u1ec3m To\u00e1n \u201cS\u00e1ng Th\u1ee9 Ba\u201d: Ba C\u1ea3nh B\u00e1o \u0110\u1ecf C\u00f3 Th\u1ec3 Ngay L\u1eadp T\u1ee9c Khi\u1ebfn B\u1ea1n Thi\u1ec7t H\u1ea1i<\/h2>\n\n\n\n

\u0110i d\u1ea1o quanh x\u01b0\u1edfng v\u00e0o m\u1ed9t s\u00e1ng th\u1ee9 Ba, b\u1ea1n c\u00f3 th\u1ec3 th\u1ea5y ba vi ph\u1ea1m \u0111\u1ea7u ti\u00ean m\u00e0 m\u1ed9t thanh tra OSHA s\u1ebd ghi nh\u1eadn\u2014th\u01b0\u1eddng tr\u01b0\u1edbc c\u1ea3 khi h\u1ecd m\u1edf s\u1ed5 ki\u1ec3m tra. \u0110\u00e2y kh\u00f4ng ph\u1ea3i nh\u1eefng chi ti\u1ebft k\u1ef9 thu\u1eadt kh\u00f3 hi\u1ec3u; ch\u00fang hi\u1ec7n r\u00f5 trong v\u00e0i gi\u00e2y n\u1ebfu b\u1ea1n bi\u1ebft d\u1ea5u hi\u1ec7u. M\u1ed7i c\u1ea3nh b\u00e1o \u0111\u1ecf ch\u1ec9 ra th\u1ea5t b\u1ea1i trong chu\u1ed7i an to\u00e0n quan tr\u1ecdng: ki\u1ec3m so\u00e1t \u0111i\u1ec3m v\u1eadn h\u00e0nh, hi\u1ec7u n\u0103ng d\u1eebng \u0111\u00e1ng tin c\u1eady, v\u00e0 h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 kh\u00f4ng th\u1ec3 b\u1ecb can thi\u1ec7p.<\/p>\n\n\n\n

\"Ki\u1ec3m<\/figure>\n\n\n\n

C\u1ea3nh B\u00e1o \u0110\u1ecf #1: Thi\u1ebfu T\u1ea5m B\u1ea3o V\u1ec7 \u0110i\u1ec3m V\u1eadn H\u00e0nh<\/strong><\/p>\n\n\n\n

N\u1ebfu m\u00e0n ch\u1eafn s\u00e1ng, r\u00e0o ch\u1eafn an to\u00e0n ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n hai tay c\u1ee7a m\u00e1y ch\u1ea5n kh\u00f4ng ng\u0103n c\u1ea3n b\u1eb1ng c\u01a1 h\u1ecdc hay \u0111i\u1ec7n t\u1eed vi\u1ec7c \u0111\u01b0a tay v\u00e0o \u0111i\u1ec3m k\u1eb9p gi\u1eefa \u0111\u1ed9t v\u00e0 khu\u00f4n, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn tr\u00e1t vi ph\u1ea1m\u2014th\u01b0\u1eddng \u0111\u01b0\u1ee3c ban h\u00e0nh ngay l\u1eadp t\u1ee9c. D\u1eef li\u1ec7u B\u1ed9 Lao \u0111\u1ed9ng Hoa K\u1ef3 cho th\u1ea5y 49% c\u00e1c v\u1ee5 c\u1eaft c\u1ee5t do m\u00e1y ch\u1ea5n b\u1eaft ngu\u1ed3n t\u1eeb s\u01a1 su\u1ea5t duy nh\u1ea5t n\u00e0y. Thanh tra ki\u1ec3m tra nh\u01b0 c\u00e1ch b\u1ea1n n\u00ean l\u00e0m: ch\u1ea1y chu k\u1ef3 tr\u1ed1ng v\u1edbi tay \u0111\u1eb7t g\u1ea7n (nh\u01b0ng ngo\u00e0i) khu v\u1ef1c khu\u00f4n. N\u1ebfu xilanh kh\u00f4ng d\u1eebng t\u1ee9c th\u00ec, b\u1ea1n \u0111\u00e3 vi ph\u1ea1m. Kho\u1ea3n ph\u1ea1t tuy kh\u00f3 ch\u1ecbu, nh\u01b0ng m\u1ed1i nguy c\u00f2n t\u1ec7 h\u01a1n\u2014ch\u1ea5n th\u01b0\u01a1ng x\u1ea3y ra khi c\u1ea3m bi\u1ebfn b\u1ecb che, l\u1ec7ch, ho\u1eb7c b\u1ecb b\u1ecf qua cho ti\u1ec7n l\u1ee3i.<\/p>\n\n\n\n

C\u1ea3nh B\u00e1o \u0110\u1ecf #2: Xilanh Tr\u00f4i Qu\u00e1 14\u202fmm Sau Khi C\u00f3 T\u00edn Hi\u1ec7u D\u1eebng<\/strong><\/p>\n\n\n\n

ANSI\u202fB11.3 quy \u0111\u1ecbnh r\u00f5: khi m\u00e0n ch\u1eafn s\u00e1ng ho\u1eb7c ch\u1ed1t li\u00ean \u0111\u1ed9ng k\u00edch ho\u1ea1t, xilanh ph\u1ea3i d\u1eebng v\u1edbi h\u00e0nh tr\u00ecnh c\u00f2n l\u1ea1i kh\u00f4ng qu\u00e1 14\u202fmm. Nh\u1eefng m\u00e1y th\u1ee7y l\u1ef1c c\u0169, b\u1ecb k\u1eb9t van ho\u1eb7c linh ki\u1ec7n \u0111i\u1ec1u khi\u1ec3n m\u00f2n, th\u01b0\u1eddng th\u1ea5t b\u1ea1i \u1edf \u0111i\u1ec3m n\u00e0y. Ki\u1ec3m to\u00e1n vi\u00ean d\u00f9ng thi\u1ebft b\u1ecb \u0111o th\u1eddi gian d\u1eebng, v\u00e0 gi\u00e1m s\u00e1t c\u1ee7a b\u1ea1n c\u0169ng n\u00ean l\u00e0m v\u1eady. Ki\u1ec3m tra chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a xilanh m\u1ed7i tu\u1ea7n trong chu k\u1ef3 tr\u1ed1ng\u2014n\u1ebfu n\u00f3 t\u1ee5t h\u01a1n b\u1ec1 r\u1ed9ng m\u1ed9t ng\u00f3n tay sau t\u00edn hi\u1ec7u d\u1eebng, h\u00e3y ng\u1eebng m\u00e1y v\u00e0 b\u1ea3o tr\u00ec \u0111i\u1ec1u khi\u1ec3n. B\u1ecf qua vi\u1ec7c n\u00e0y kh\u00f4ng ch\u1ec9 d\u1eabn \u0111\u1ebfn m\u1ed9t gi\u1ea5y ph\u1ea1t \u201cnghi\u00eam tr\u1ecdng\u201d m\u00e0 c\u00f2n t\u1ea1o r\u1ee7i ro t\u1eed vong, v\u00ec xilanh tr\u00f4i ngh\u0129a l\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng m\u00e0 kh\u00f4ng ki\u1ec3m so\u00e1t.<\/p>\n\n\n\n

C\u1ea3nh B\u00e1o \u0110\u1ecf #3: Thi\u1ebft B\u1ecb An To\u00e0n B\u1ecb V\u00f4 Hi\u1ec7u H\u00f3a Ho\u1eb7c T\u1eaft<\/strong><\/p>\n\n\n\n

Trong 88% tr\u01b0\u1eddng h\u1ee3p b\u1ecb tr\u00edch d\u1eabn, r\u00e0o ch\u1eafn m\u00e1y b\u1ecb c\u1ed1 t\u00ecnh lo\u1ea1i b\u1ecf\u2014m\u00e0n ch\u1eafn s\u00e1ng b\u1ecb t\u1eaft, r\u00e0o hai b\u00ean \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean, b\u00e0n \u0111\u1ea1p ch\u00e2n \u0111\u1ec3 tr\u1ed1ng. Nh\u1eefng sai s\u00f3t n\u00e0y th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n gi\u1eefa tu\u1ea7n, khi m\u1ec7t m\u1ecfi v\u00e0 \u00e1p l\u1ef1c s\u1ea3n xu\u1ea5t \u0111\u1ea1t \u0111\u1ec9nh. Bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba \u0111\u01a1n gi\u1ea3n nh\u1ea5t: \u0111i d\u1ecdc chu vi m\u00e1y trong l\u00fac \u0111\u1ed5i ca, ghi l\u1ea1i b\u1ea5t k\u1ef3 r\u00e0o ch\u1eafn thi\u1ebfu ho\u1eb7c c\u1ea3m bi\u1ebfn b\u1ecb d\u00e1n k\u00edn n\u00e0o. K\u1ef9 thu\u1eadt vi\u00ean th\u01b0\u1eddng mu\u1ed1n hi\u1ec7u su\u1ea5t, kh\u00f4ng g\u00e2y h\u1ea1i, nh\u01b0ng OSHA s\u1ebd kh\u00f4ng ch\u1ea5p nh\u1eadn t\u1ed1c \u0111\u1ed9 l\u00e0m l\u00fd do. Nh\u1eadt k\u00fd ki\u1ec3m to\u00e1n hi\u1ec3n th\u1ecb vi\u1ec7c ghi \u0111\u00e8 h\u1ec7 th\u1ed1ng l\u00e0 \u0111\u1ee7 \u0111\u1ec3 b\u1ecb ph\u1ea1t ngay.<\/p>\n\n\n\n

M\u1ed9t cu\u1ed9c \u201cki\u1ec3m to\u00e1n s\u00e1ng th\u1ee9 Ba\u201d c\u00f3 c\u1ea5u tr\u00fac c\u00f3 th\u1ec3 bi\u1ebfn nguy c\u01a1 ph\u1ea1t th\u00e0nh vi\u1ec7c kh\u00f4ng v\u1ea5n \u0111\u1ec1. D\u00e0nh n\u0103m ph\u00fat m\u1ed7i m\u00e1y ch\u1ea5n, th\u1ef1c hi\u1ec7n ba ki\u1ec3m tra tr\u1ecdng \u0111i\u1ec3m, v\u00e0 tu\u00e2n theo m\u1ed9t nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i: m\u1ecdi h\u1ec7 th\u1ed1ng an to\u00e0n ph\u1ea3i ph\u1ea3n \u1ee9ng nhanh h\u01a1n s\u1ef1 m\u1ec7t m\u1ecfi c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ph\u00e1n \u0111o\u00e1n. Nh\u1eefng c\u01a1 s\u1edf h\u00e0ng \u0111\u1ea7u ch\u1ee9ng minh \u0111i\u1ec1u n\u00e0y b\u1eb1ng d\u1eef li\u1ec7u th\u1eadt\u2014c\u00e1c b\u00e0i ki\u1ec3m tra th\u1eddi gian d\u1eebng \u0111\u01b0\u1ee3c ghi, x\u00e1c minh r\u00e0o ch\u1eafn \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a, v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t ng\u1edd kh\u00f3 ch\u1ecbu khi thanh tra \u0111\u1ebfn.<\/p>\n\n\n\n

Ki\u1ec3m So\u00e1t \"C\u1ed7 M\u00e1y Th\u1ee7y L\u1ef1c\": N\u00e2ng C\u1ea5p T\u1ed1c \u0110\u1ed9 An To\u00e0n<\/h2>\n\n\n\n

M\u1ed9t trong nh\u1eefng quan ni\u1ec7m sai l\u1ea7m nguy hi\u1ec3m nh\u1ea5t trong v\u1eadn h\u00e0nh m\u00e1y ch\u1ea5n l\u00e0 tin r\u1eb1ng t\u0103ng t\u1ed1c \u0111\u1ed9\u2014\u0111\u1eb7c bi\u1ec7t tr\u00ean c\u00e1c thi\u1ebft b\u1ecb th\u1ee7y l\u1ef1c c\u0169\u2014l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u0103ng n\u0103ng su\u1ea5t. Th\u1ef1c t\u1ebf, n\u00f3 c\u00f3 th\u1ec3 t\u1ea1o nguy c\u01a1 nhanh h\u01a1n nhi\u1ec1u so v\u1edbi vi\u1ec7c r\u00fat ng\u1eafn th\u1eddi gian chu tr\u00ecnh. Theo d\u1eef li\u1ec7u c\u1ee7a B\u1ed9 Lao \u0111\u1ed9ng Hoa K\u1ef3, m\u1ed7i n\u0103m c\u00f3 368 v\u1ee5 c\u1eaft c\u1ee5t li\u00ean quan \u0111\u1ebfn m\u00e1y ch\u1ea5n, g\u1ea7n m\u1ed9t n\u1eeda x\u1ea3y ra khi k\u1ef9 thu\u1eadt vi\u00ean v\u1edbi tay v\u00e0o v\u00f9ng \u0111\u1ed9t-khu\u00f4n gi\u1eefa l\u00fac u\u1ed1n. B\u1ecf qua kho\u1ea3ng c\u00e1ch d\u1eebng c\u01a1 h\u1ecdc, v\u00e0 c\u00e1i g\u1ecdi l\u00e0 \u201cn\u00e2ng c\u1ea5p\u201d nhanh ch\u00f3ng tr\u1edf th\u00e0nh h\u00e0nh \u0111\u1ed9ng t\u1ef1 g\u00e2y h\u1ea1i.<\/p>\n\n\n\n

\"Ki\u1ec3m<\/figure>\n\n\n\n

C\u00e1c m\u00e1y th\u1ee7y l\u1ef1c s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc khi c\u00f3 ti\u00eau chu\u1ea9n th\u1eddi gian d\u1eebng hi\u1ec7n t\u1ea1i th\u01b0\u1eddng c\u1ea7n m\u00e0n ch\u1eafn s\u00e1ng ho\u1eb7c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 quang h\u1ecdc ch\u1ee7 \u0111\u1ed9ng (AOPD) \u0111\u1eb7t c\u00e1ch \u0111i\u1ec3m v\u1eadn h\u00e0nh t\u1eeb hai \u0111\u1ebfn ba feet. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00e0 qu\u00e1 m\u1ee9c\u2014m\u00e0 d\u1ef1a tr\u00ean t\u00ednh to\u00e1n. ANSI B11.3 v\u00e0 B11.19 x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch ti\u1ebfp c\u1eadn an to\u00e0n d\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9 gi\u1ea3m c\u1ee7a xilanh. N\u1ebfu th\u1eddi gian d\u1eebng qu\u00e1 ch\u1eadm, c\u1ea3m bi\u1ebfn ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t xa h\u01a1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng ai c\u00f3 th\u1ec3 x\u00e2m nh\u1eadp tr\u01b0\u1edbc khi xilanh d\u1eebng h\u1eb3n. Vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u1ea3i thi\u1ec7n th\u1eddi gian d\u1eebng bu\u1ed9c k\u1ef9 thu\u1eadt vi\u00ean ph\u1ea3i d\u00f9ng ch\u1ebf \u0111\u1ed9 t\u1eaft ho\u1eb7c che c\u1ea3m bi\u1ebfn \u0111\u1ec3 b\u1eaft k\u1ecbp, ph\u00e1 v\u1ee1 l\u1edbp b\u1ea3o v\u1ec7 an to\u00e0n v\u00e0 d\u1eabn \u0111\u1ebfn vi ph\u1ea1m OSHA. Trong 88% c\u00e1c l\u1ed7i b\u1ea3o v\u1ec7 nghi\u00eam tr\u1ecdng, thanh tra truy ra nguy\u00ean nh\u00e2n t\u1eeb vi\u1ec7c c\u1ed1 t\u00ecnh b\u1ecf qua nh\u1eb1m t\u0103ng s\u1ea3n l\u01b0\u1ee3ng.<\/p>\n\n\n\n

V\u1ee5 tai n\u1ea1n ch\u1ebft ng\u01b0\u1eddi th\u00e1ng Ba n\u0103m 2023 l\u00e0 l\u1eddi nh\u1eafc nh\u1edf r\u00f5 r\u00e0ng r\u1eb1ng vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 c\u1ea7n k\u1ef9 thu\u1eadt nghi\u00eam ng\u1eb7t, kh\u00f4ng ch\u1ec9 v\u00e0i d\u00f2ng m\u00e3 m\u1edbi. Trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, m\u1ed9t t\u1ea5m th\u00e9p ch\u1ecbu k\u00e9o cao d\u00e0y 10\u202fmm b\u1ecb g\u00e3y gi\u1eefa l\u00fac u\u1ed1n trong chu k\u1ef3 t\u0103ng t\u1ed1c v\u00e0 b\u1eafn ra v\u1edbi v\u1eadn t\u1ed1c g\u00e2y t\u1eed vong\u2014g\u1ee3i l\u1ea1i th\u1ea3m k\u1ecbch t\u01b0\u01a1ng t\u1ef1 n\u0103m 2005 do v\u1eadt th\u1ec3 b\u1eafn ra. \u0110\u00e2y kh\u00f4ng ph\u1ea3i s\u1ef1 c\u1ed1 \u201chi h\u1eefu\u201d ng\u1eabu nhi\u00ean. T\u0103ng t\u1ed1c h\u00e0nh tr\u00ecnh khu\u1ebfch \u0111\u1ea1i n\u0103ng l\u01b0\u1ee3ng \u0111\u1ed9ng h\u1ecdc t\u00edch tr\u1eef trong v\u1eadt li\u1ec7u gi\u00f2n ho\u1eb7c si\u00eau c\u1ee9ng, bi\u1ebfn tr\u1ea1m u\u1ed1n th\u00e0nh c\u01a1 ch\u1ebf ph\u00f3ng. Nguy c\u01a1 t\u1eeb m\u1ea3nh v\u0103ng l\u00e0 ri\u00eang bi\u1ec7t so v\u1edbi r\u1ee7i ro \u00e9p nghi\u1ec1n v\u00e0 \u0111\u00f2i h\u1ecfi gi\u1ea3i ph\u00e1p bao ch\u1ee9a\u2014nh\u01b0 r\u00e0o ch\u1eafn h\u1ee9ng, r\u00e0o b\u00ean, v\u00e0 gi\u00e1m s\u00e1t h\u00e0nh tr\u00ecnh qu\u00e1 m\u1ee9c\u2014v\u01b0\u1ee3t xa bi\u1ec7n ph\u00e1p an to\u00e0n ti\u00eau chu\u1ea9n m\u00e0 h\u1ea7u h\u1ebft nh\u00e0 m\u00e1y trang b\u1ecb cho thao t\u00e1c u\u1ed1n th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

C\u00e1c c\u01a1 s\u1edf ti\u00ean ti\u1ebfn cho th\u1ea5y m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn an to\u00e0n, \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh: k\u1ebft h\u1ee3p r\u00e0o v\u1eadt l\u00fd theo k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh b\u1edfi b\u1ea3ng khe m\u1edf r\u00e0o OSHA v\u00e0 ANSI c\u00f9ng AOPD theo d\u00f5i chuy\u1ec3n \u0111\u1ed9ng xilanh theo th\u1eddi gian th\u1ef1c. H\u1ec7 th\u1ed1ng d\u1eebng h\u00e0nh tr\u00ecnh t\u1ef1 \u0111\u1ed9ng t\u00edch h\u1ee3p\u2014nh\u01b0 n\u1ec1n t\u1ea3ng Sentinel Plus\u2014d\u1eebng m\u00e1y t\u1ee9c th\u1eddi khi x\u1ea3y ra v\u01b0\u1ee3t h\u00e0nh tr\u00ecnh th\u1ee7y l\u1ef1c, ng\u0103n r\u1ee7i ro v\u1eadt th\u1ec3 b\u1eafn trong khi v\u1eabn cho ph\u00e9p k\u1ef9 thu\u1eadt vi\u00ean l\u00e0m vi\u1ec7c \u1edf kho\u1ea3ng c\u00e1ch tho\u1ea3i m\u00e1i. Nh\u1eefng con s\u1ed1 n\u00f3i l\u00ean t\u1ea5t c\u1ea3: c\u00e1c nh\u00e0 m\u00e1y thu\u1ed9c nh\u00f3m hi\u1ec7u su\u1ea5t h\u00e0ng \u0111\u1ea7u \u0111\u1ea1t kho\u1ea3ng 90% hi\u1ec7u qu\u1ea3 thi\u1ebft b\u1ecb t\u1ed5ng th\u1ec3 (OEE) m\u00e0 g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 s\u1ef1 c\u1ed1 an to\u00e0n, ch\u1ec9 hy sinh 2% c\u00f4ng su\u1ea5t cho c\u00e1c l\u1ea7n t\u1ea1m d\u1eebng v\u00ec an to\u00e0n. Trong khi \u0111\u00f3, c\u00e1c c\u01a1 s\u1edf kh\u00f4ng c\u00f3 nh\u1eefng ki\u1ec3m so\u00e1t n\u00e0y ch\u1ecbu kho\u1ea3ng 14% th\u1eddi gian ng\u1eebng v\u00e0 t\u1ef7 l\u1ec7 th\u01b0\u01a1ng t\u00edch g\u1ea5p ba l\u1ea7n.<\/p>\n\n\n\n

S\u1ef1 m\u1ec7t m\u1ecfi l\u00e0m t\u0103ng th\u00eam nguy hi\u1ec3m. Nh\u1eefng ng\u01b0\u1eddi v\u1eadn h\u00e0nh l\u00e0m vi\u1ec7c ca k\u00e9o d\u00e0i c\u00f3 th\u1ec3 ch\u1ecbu gi\u1ea3m \u0111\u1ebfn 30% hi\u1ec7u su\u1ea5t nh\u1eadn th\u1ee9c, khi\u1ebfn th\u1eddi gian ph\u1ea3n \u1ee9ng y\u1ebfu \u0111i \u0111\u00fang l\u00fac vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c l\u00e0 t\u1ed1i quan tr\u1ecdng \u2013 \u0111\u1eb7c bi\u1ec7t \u1edf g\u1ea7n c\u00e1c \u0111i\u1ec3m k\u1eb9p ho\u1eb7c b\u1ed9 ch\u1eb7n sau di chuy\u1ec3n nhanh. Vi\u1ec7c t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u00f3 bi\u1ec7n ph\u00e1p \u0111\u1ed1i ph\u00f3 \u2014 nh\u01b0 t\u0103ng c\u01b0\u1eddng b\u1ea3o v\u1ec7, d\u1eebng kh\u1ea9n c\u1ea5p t\u1ef1 \u0111\u1ed9ng v\u00e0 thi\u1ebft k\u1ebf ca l\u00e0m gi\u1ea3m m\u1ec7t m\u1ecfi \u2014 s\u1ebd bi\u1ebfn kh\u1ea3 n\u0103ng t\u0103ng n\u0103ng su\u1ea5t ti\u1ec1m n\u0103ng th\u00e0nh y\u1ebfu t\u1ed1 khu\u1ebfch \u0111\u1ea1i r\u1ee7i ro.<\/p>\n\n\n\n

\u0110i\u1ec1u r\u00fat ra l\u00e0 r\u00f5 r\u00e0ng: t\u1ed1c \u0111\u1ed9 v\u00e0 an to\u00e0n kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i lo\u1ea1i tr\u1eeb nhau \u2014 mi\u1ec5n l\u00e0 c\u00e1c n\u00e2ng c\u1ea5p d\u1ef1a tr\u00ean ph\u00e9p \u0111o th\u1eddi gian d\u1eebng ch\u00ednh x\u00e1c, h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n \u0111\u1ed3ng b\u1ed9 v\u00e0 chi\u1ebfn l\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eafc ch\u1eafn. B\u1ea5t k\u1ef3 \u0111i\u1ec1u g\u00ec k\u00e9m h\u01a1n \u0111\u1ec1u khi\u1ebfn b\u1ea1n ch\u1eb3ng ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c g\u00ec; b\u1ea1n ch\u1ec9 \u0111\u01a1n gi\u1ea3n t\u1ea1o ra m\u1ed9t m\u1ed1i nguy th\u1ee7y l\u1ef1c nhanh h\u01a1n v\u00e0 kh\u1eafc nghi\u1ec7t h\u01a1n.<\/p>\n\n\n\n

C\u00e1c ph\u00e9p t\u00ednh b\u1ea3o v\u1ec7 \u0111\u00f4i tay: Kho\u1ea3ng c\u00e1ch an to\u00e0n v\u00e0 \u0111\u1ed9 tr\u00f4i c\u1ee7a tr\u1ee5c \u00e9p<\/h2>\n\n\n\n

Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ed9i v\u00e0ng l\u1eafp \u0111\u1eb7t t\u1ea5m ch\u1eafn, r\u00e8m s\u00e1ng ho\u1eb7c c\u00e1c Thi\u1ebft b\u1ecb B\u1ea3o v\u1ec7 Quang \u0111i\u1ec7n Ch\u1ee7 \u0111\u1ed9ng (AOPD), tin r\u1eb1ng ch\u1ec9 ri\u00eang nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111\u00e3 khi\u1ebfn m\u00e1y ch\u1ea5n an to\u00e0n. Tuy nhi\u00ean, \u0111i\u1ec3m thi\u1ebfu s\u00f3t nghi\u00eam tr\u1ecdng l\u00e0: n\u1ebfu hi\u1ec7u su\u1ea5t d\u1eebng c\u1ee7a m\u00e1y kh\u00f4ng \u0111\u1ee7 nhanh, c\u00e1c thi\u1ebft b\u1ecb n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf kho\u1ea3ng c\u00e1ch qu\u00e1 xa khu\u00f4n, khi\u1ebfn ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i l\u00e1ch qua ho\u1eb7c t\u1eaft ch\u00fang \u0111i. An to\u00e0n th\u1ef1c s\u1ef1 t\u1ea1i \u0111i\u1ec3m v\u1eadn h\u00e0nh b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c x\u00e1c nh\u1eadn qu\u00e3ng \u0111\u01b0\u1eddng d\u1eebng sau khi c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t<\/em> trong \u0111\u00fang c\u1ea5u h\u00ecnh d\u1ee5ng c\u1ee5, t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng v\u00e0 ph\u01b0\u01a1ng \u00e1n b\u1ea3o v\u1ec7 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n

Con s\u1ed1 quan tr\u1ecdng c\u1ea7n ghi nh\u1edb l\u00e0 14 mm h\u00e0nh tr\u00ecnh d\u01b0<\/strong>. \u0110\u00e2y l\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng tr\u1ee5c \u00e9p di chuy\u1ec3n \u2014 t\u1eeb th\u1eddi \u0111i\u1ec3m b\u1ed9 ph\u1eadn b\u1ea3o v\u1ec7 an to\u00e0n \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t cho \u0111\u1ebfn khi m\u1ecdi chuy\u1ec3n \u0111\u1ed9ng \u0111i xu\u1ed1ng c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y nghi\u1ec1n ho\u00e0n to\u00e0n d\u1eebng l\u1ea1i. N\u1ebfu qu\u00e3ng \u0111\u01b0\u1eddng \u0111\u00f3 v\u01b0\u1ee3t qu\u00e1 14 mm, thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n khu\u00f4n m\u1ed9t c\u00e1ch h\u1ee3p ph\u00e1p ho\u1eb7c hi\u1ec7u qu\u1ea3. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, b\u1ea1n c\u1ea7n ho\u1eb7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t d\u1eebng c\u1ee7a m\u00e1y, ho\u1eb7c \u00e1p d\u1ee5ng ph\u01b0\u01a1ng \u00e1n b\u1ea3o v\u1ec7 an to\u00e0n kh\u00e1c.<\/p>\n\n\n\n

C\u00e1ch \u0111o l\u01b0\u1eddng:<\/strong><\/p>\n\n\n\n

    \n
  1. L\u1eafp \u0111\u1eb7t \u0111\u00fang t\u1ed5 h\u1ee3p khu\u00f4n v\u00e0 dao \u0111\u1ed9t d\u1ef1 ki\u1ebfn d\u00f9ng trong s\u1ea3n xu\u1ea5t \u2014 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a d\u1ee5ng c\u1ee5 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1n t\u00ednh h\u1ec7 th\u1ed1ng v\u00e0 qu\u00e3ng \u0111\u01b0\u1eddng d\u1eebng.<\/li>\n\n\n\n
  2. V\u1eadn h\u00e0nh m\u00e1y ch\u1ea5n \u1edf t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t b\u00ecnh th\u01b0\u1eddng trong \u0111i\u1ec1u ki\u1ec7n ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n
  3. C\u1ed1 \u00fd l\u00e0m gi\u00e1n \u0111o\u1ea1n v\u00f9ng c\u1ea3m bi\u1ebfn b\u1eb1ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p nh\u1ea5t qu\u00e1n, c\u00f3 ki\u1ec3m so\u00e1t.<\/li>\n\n\n\n
  4. \u0110o qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n xu\u1ed1ng c\u1ee7a tr\u1ee5c \u00e9p t\u1eeb \u0111i\u1ec3m k\u00edch ho\u1ea1t \u0111\u1ebfn khi d\u1eebng ho\u00e0n to\u00e0n b\u1eb1ng d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c \u2014 v\u00ed d\u1ee5, ph\u00e2n t\u00edch khung h\u00ecnh video t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c c\u1ea3m bi\u1ebfn d\u1ecbch chuy\u1ec3n tuy\u1ebfn t\u00ednh \u0111\u00e3 hi\u1ec7u chu\u1ea9n.<\/li>\n\n\n\n
  5. Th\u1ef1c hi\u1ec7n nhi\u1ec1u l\u1ea7n th\u1eed v\u00e0 ghi l\u1ea1i tr\u01b0\u1eddng h\u1ee3p x\u1ea5u nh\u1ea5t<\/em> v\u1ec1 kho\u1ea3ng c\u00e1ch d\u1eebng.<\/li>\n<\/ol>\n\n\n\n

    N\u1ebfu kho\u1ea3ng c\u00e1ch d\u1eebng v\u01b0\u1ee3t qu\u00e1 14 mm<\/strong>, th\u00ec kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n \u1edf kho\u1ea3ng c\u00e1ch g\u1ea7n tr\u1eeb khi c\u00f3 \u0111i\u1ec1u ch\u1ec9nh. Sau \u0111\u00e2y l\u00e0 th\u1ee9 b\u1eadc h\u00e0nh \u0111\u1ed9ng kh\u1eafc ph\u1ee5c:<\/p>\n\n\n\n

      \n
    • N\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng phanh ho\u1eb7c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 r\u00fat ng\u1eafn th\u1eddi gian d\u1eebng \u2014 c\u00e1c b\u1ed9 chuy\u1ec3n \u0111\u1ed5i servo ho\u1eb7c h\u1ec7 th\u1ed1ng van th\u1ee7y l\u1ef1c nhanh h\u01a1n c\u00f3 th\u1ec3 mang l\u1ea1i c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3.<\/li>\n\n\n\n
    • Tri\u1ec3n khai h\u1ec7 th\u1ed1ng AOPD c\u1ea3m bi\u1ebfn di chuy\u1ec3n \u0111\u1ed3ng b\u1ed9 v\u1edbi h\u00e0nh tr\u00ecnh c\u1ee7a b\u00e0n tr\u01b0\u1ee3t (ram) \u0111\u1ec3 theo d\u00f5i qu\u00e1 tr\u00ecnh h\u1ea1 xu\u1ed1ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p v\u1eadn h\u00e0nh an to\u00e0n, \u1edf c\u1ef1 ly g\u1ea7n ngay c\u1ea3 khi m\u00e1y c\u00f3 \u0111\u1eb7c t\u00ednh d\u1eebng ch\u1eadm h\u01a1n.<\/li>\n\n\n\n
    • N\u1ebfu vi\u1ec7c n\u00e2ng c\u1ea5p kh\u00f4ng kh\u1ea3 thi, h\u00e3y t\u0103ng kho\u1ea3ng c\u00e1ch an to\u00e0n v\u00e0 b\u1ed5 sung c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ecbnh v\u1ecb v\u1eadt l\u00fd \u0111\u1ec3 gi\u1edbi h\u1ea1n t\u1ea7m v\u1edbi c\u1ee7a ng\u01b0\u1eddi v\u1eadn h\u00e0nh. Cu\u1ed1i c\u00f9ng, s\u1eed d\u1ee5ng \u0111i\u1ec1u khi\u1ec3n hai tay ho\u1eb7c d\u00e2y \u0111ai c\u1ed1 \u0111\u1ecbnh ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/li>\n\n\n\n
    • Trong qu\u00e1 tr\u00ecnh c\u00e0i \u0111\u1eb7t ho\u1eb7c b\u1ea3o tr\u00ec, lu\u00f4n \u00e1p d\u1ee5ng \u0111\u1ea7y \u0111\u1ee7 quy tr\u00ecnh kh\u00f3a\/treo th\u1ebb (LOTO) \u2014 kh\u00f4ng bao gi\u1edd ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft b\u1ecb ph\u00e1t hi\u1ec7n hi\u1ec7n di\u1ec7n khi thay \u0111\u1ed5i d\u1ee5ng c\u1ee5.<\/li>\n<\/ul>\n\n\n\n

      B\u1ecf qua vi\u1ec7c \u0111o kho\u1ea3ng c\u00e1ch d\u1eebng g\u00e2y ra chi ph\u00ed th\u1ef1c t\u1ebf. C\u00e1c m\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c c\u0169 th\u01b0\u1eddng c\u1ea7n kho\u1ea3ng c\u00e1ch an to\u00e0n t\u1eeb 60\u202fcm \u0111\u1ebfn g\u1ea7n 1\u202fm khi s\u1eed d\u1ee5ng h\u00e0ng r\u00e0o quang h\u1ecdc c\u1ed1 \u0111\u1ecbnh \u2014 c\u00e1c kho\u1ea3ng c\u00e1ch n\u00e0y l\u00e0m ch\u1eadm quy tr\u00ecnh v\u00e0 khi\u1ebfn ng\u01b0\u1eddi v\u1eadn h\u00e0nh d\u1ec5 b\u1ecf qua bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7. C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng d\u1eebng kh\u00f4ng ch\u1ec9 ng\u0103n ng\u1eeba ch\u1ea5n th\u01b0\u01a1ng m\u00e0 c\u00f2n gi\u1ea3m kho\u1ea3ng c\u00e1ch b\u1ea3o v\u1ec7, gi\u00fap c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n hi\u1ec7n \u0111\u1ea1i t\u01b0\u01a1ng th\u00edch v\u1edbi s\u1ea3n xu\u1ea5t nhanh v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n

      Danh s\u00e1ch ki\u1ec3m tra \u201cB\u0103ng an to\u00e0n hai ph\u00fat\u201d:<\/strong><\/p>\n\n\n\n

        \n
      • \u2714 \u0110o kho\u1ea3ng c\u00e1ch d\u1eebng trong \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf \u2014 ghi l\u1ea1i gi\u00e1 tr\u1ecb x\u1ea5u nh\u1ea5t t\u00ednh b\u1eb1ng milim\u00e9t.<\/li>\n\n\n\n
      • \u2714 \u226414\u202fmm \u2192 c\u1ea3m bi\u1ebfn hi\u1ec7n di\u1ec7n an to\u00e0n cho v\u1eadn h\u00e0nh c\u1ef1 ly g\u1ea7n (x\u00e1c minh theo ti\u00eau chu\u1ea9n an to\u00e0n).<\/li>\n\n\n\n
      • \u2714 >14 mm \u2192 n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng phanh\/ki\u1ec3m so\u00e1t ho\u1eb7c thay \u0111\u1ed5i ph\u01b0\u01a1ng ph\u00e1p b\u1ea3o v\u1ec7 c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi cho ph\u00e9p ti\u1ebfp c\u1eadn g\u1ea7n.<\/li>\n\n\n\n
      • \u2714 Lu\u00f4n s\u1eed d\u1ee5ng quy tr\u00ecnh LOTO trong khi c\u00e0i \u0111\u1eb7t ho\u1eb7c b\u1ea3o tr\u00ec.<\/li>\n<\/ul>\n\n\n\n

        H\u00e3y ngh\u0129 \u0111\u01a1n gi\u1ea3n th\u1ebf n\u00e0y: phanh ph\u1ea3i c\u00f3 tr\u01b0\u1edbc t\u00fai kh\u00ed \u2014 n\u1ebfu kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng d\u1eebng nhanh v\u00e0 \u0111\u00e1ng tin c\u1eady, ngay c\u1ea3 c\u1ea3m bi\u1ebfn ti\u00ean ti\u1ebfn nh\u1ea5t c\u0169ng kh\u00f4ng th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u00f4i tay b\u1ea1n.<\/p>\n\n\n\n

        X\u1eed l\u00fd ph\u00f4i: Ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u201ch\u1ea5t ng\u01b0\u1ee3c\u201d m\u00e0 v\u1eabn gi\u1eef cho quy tr\u00ecnh tr\u01a1n tru<\/h2>\n\n\n\n

        L\u00e0m vi\u1ec7c t\u1ea1i m\u00e1y ch\u1ea5n kh\u00f4ng ch\u1ec9 l\u00e0 ki\u1ec3m so\u00e1t kim lo\u1ea1i \u2014 \u0111\u00f3 c\u00f2n l\u00e0 vi\u1ec7c canh th\u1eddi gian, ph\u1ed1i h\u1ee3p v\u00e0 hi\u1ec3u c\u00e1ch th\u00e9p ph\u1ea3n \u1ee9ng d\u01b0\u1edbi \u00e1p l\u1ef1c. M\u1ed1i nguy \u201ch\u1ea5t ng\u01b0\u1ee3c\u201d (whip\u2011up) xu\u1ea5t hi\u1ec7n khi t\u1ea5m d\u00e0i ho\u1eb7c n\u1eb7ng \u0111\u1ed9t ng\u1ed9t b\u1eadt ng\u01b0\u1ee3c l\u00ean khi \u0111\u01b0\u1eddng g\u1eadp si\u1ebft ch\u1eb7t, gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i t\u00edch tr\u1eef trong m\u1ed9t chuy\u1ec3n \u0111\u1ed9ng m\u1ea1nh v\u00e0 b\u1ea5t ng\u1edd. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 tai n\u1ea1n ng\u1eabu nhi\u00ean m\u00e0 l\u00e0 h\u1eadu qu\u1ea3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n khi c\u01b0\u1eddng \u0111\u1ed9 k\u00e9o, l\u1ef1a ch\u1ecdn khu\u00f4n v\u00e0 vi\u1ec7c h\u1ed7 tr\u1ee3 t\u1ea5m kh\u00f4ng \u0111\u1ed3ng b\u1ed9. N\u1ebfu ph\u00f4i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ee1 \u0111\u1ea7y \u0111\u1ee7 d\u1ecdc chi\u1ec1u d\u00e0i, ho\u1eb7c g\u00f3c g\u1eadp v\u01b0\u1ee3t gi\u1edbi h\u1ea1n an to\u00e0n c\u1ee7a v\u1eadt li\u1ec7u, hi\u1ec7n t\u01b0\u1ee3ng h\u1ea5t ng\u01b0\u1ee3c g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn x\u1ea3y ra.<\/p>\n\n\n\n

        Trong m\u1ed9t s\u1ef1 c\u1ed1 \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn, t\u1ea5m th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao d\u00e0y 10\u202fmm b\u1ecb n\u1ee9t trong qu\u00e1 tr\u00ecnh u\u1ed1n t\u1ef1 do v\u00e0 b\u1eafn th\u1eb3ng v\u1ec1 ph\u00eda th\u00e2n ng\u01b0\u1eddi v\u1eadn h\u00e0nh. Cu\u1ed9c \u0111i\u1ec1u tra ph\u00e1t hi\u1ec7n ba l\u1ed7i li\u00ean quan: ph\u00f4i kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ee1 \u0111\u1ec1u, c\u00f3 \u0111\u1ed9 tr\u1ec5 nh\u1eb9 trong ph\u1ea3n \u1ee9ng d\u1eebng th\u1ee7y l\u1ef1c, v\u00e0 gi\u1ea3 \u0111\u1ecbnh sai r\u1eb1ng \u0111\u1ed9 v\u00f5ng s\u1ebd tuy\u1ebfn t\u00ednh. Tay v\u00e0 th\u00e2n ng\u01b0\u1eddi v\u1eadn h\u00e0nh n\u1eb1m trong b\u00e1n k\u00ednh vung c\u1ee7a t\u1ea5m \u2014 m\u1ed9t th\u00f3i quen h\u00ecnh th\u00e0nh do l\u1eb7p l\u1ea1i v\u00e0 b\u1ea3n n\u0103ng gi\u1eef quy tr\u00ecnh v\u1eadn h\u00e0nh nh\u1ecbp nh\u00e0ng.<\/p>\n\n\n\n

        \u0110\u1ec3 ng\u0103n h\u1ea5t ng\u01b0\u1ee3c m\u00e0 kh\u00f4ng m\u1ea5t nh\u1ecbp c\u00f4ng vi\u1ec7c, c\u1ea7n \u0111\u1ea3m b\u1ea3o \u1ed5n \u0111\u1ecbnh v\u00e0 li\u00ean k\u1ebft theo d\u00f5i. Gi\u00e1 \u0111\u1ee1 tr\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c th\u01b0\u1edbc ch\u1eb7n ph\u00eda sau \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng servo gi\u1eef ph\u00f4i \u1ed5n \u0111\u1ecbnh trong c\u00f9ng m\u1ed9t m\u1eb7t ph\u1eb3ng, gi\u1ea3m xo\u1eafn g\u00e2y ra chuy\u1ec3n \u0111\u1ed9ng b\u1eadt l\u00ean. V\u1edbi ph\u00f4i d\u00e0i, vi\u1ec7c s\u1eed d\u1ee5ng th\u00eam ng\u01b0\u1eddi h\u1ed7 tr\u1ee3 ho\u1eb7c tay n\u00e2ng c\u00f3 \u0111\u1ed9ng c\u01a1 gi\u00fap h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng b\u1eadt l\u1ea1i, b\u1ea3o v\u1ec7 c\u1ed5 tay v\u00e0 lo\u1ea1i b\u1ecf ph\u1ea3n x\u1ea1 \u0111\u01b0a tay v\u00e0o trong. C\u00e1c b\u1ed9 ph\u1eadn h\u1ed7 tr\u1ee3 n\u00e0y n\u00ean di chuy\u1ec3n \u0111\u1ed3ng b\u1ed9 v\u1edbi b\u00e0n tr\u01b0\u1ee3t thay v\u00ec c\u1ed1 \u0111\u1ecbnh, n\u1ebfu kh\u00f4ng l\u1ef1c s\u1ebd truy\u1ec1n ng\u01b0\u1ee3c l\u1ea1i ng\u01b0\u1eddi v\u1eadn h\u00e0nh \u0111\u00fang v\u00e0o th\u1eddi \u0111i\u1ec3m t\u1ea5m linh ho\u1ea1t nh\u1ea5t.<\/p>\n\n\n\n

        An to\u00e0n nh\u1ea5t qu\u00e1n kh\u00f4ng c\u1ea7n l\u00e0m gi\u00e1n \u0111o\u1ea1n quy tr\u00ecnh \u2014 ch\u1ec9 c\u1ea7n s\u1ef1 ch\u00ednh x\u00e1c. M\u00e1y ch\u1ea5n th\u1ee7y l\u1ef1c c\u00f3 c\u1ea3m bi\u1ebfn v\u1ecb tr\u00ed b\u00e0n tr\u01b0\u1ee3t theo th\u1eddi gian th\u1ef1c c\u00f3 th\u1ec3 d\u1eebng chuy\u1ec3n \u0111\u1ed9ng trong v\u00f2ng v\u00e0i ph\u1ea7n ngh\u00ecn gi\u00e2y n\u1ebfu l\u1ef1c c\u1ea3n l\u1ec7ch kh\u1ecfi gi\u00e1 tr\u1ecb mong \u0111\u1ee3i. Kh\u00f4ng nh\u01b0 h\u00e0ng r\u00e0o quang h\u1ecdc truy\u1ec1n th\u1ed1ng \u2014 th\u01b0\u1eddng \u0111\u1eb7t c\u00e1ch v\u00e0i feet khi\u1ebfn vi\u1ec7c thao t\u00e1c tr\u1edf n\u00ean g\u00f2 b\u00f3 \u2014 c\u00e1c h\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh duy tr\u00ec nh\u1ecbp thao t\u00e1c t\u1ef1 nhi\u00ean v\u00e0 kho\u1ea3ng c\u00e1ch g\u1ea7n, \u0111\u1ed3ng th\u1eddi d\u1eebng ngay l\u1eadp t\u1ee9c n\u1ebfu ph\u00e1t hi\u1ec7n d\u1ea5u hi\u1ec7u g\u00e3y cho th\u1ea5y nguy c\u01a1 h\u1ea5t ng\u01b0\u1ee3c s\u1eafp x\u1ea3y ra.<\/p>\n\n\n\n

        Nh\u1eefng x\u01b0\u1edfng l\u00e0m vi\u1ec7c hi\u1ec7u qu\u1ea3 nh\u1ea5t k\u1ebft h\u1ee3p an to\u00e0n c\u01a1 kh\u00ed v\u1edbi tinh th\u1ea7n ph\u1ed1i h\u1ee3p r\u00f5 r\u00e0ng, th\u1ed1ng nh\u1ea5t. M\u1ed9t ng\u01b0\u1eddi v\u1eadn h\u00e0nh ch\u00ednh d\u1eabn nh\u1ecbp cho c\u00e1c thao t\u00e1c u\u1ed1n nhi\u1ec1u ng\u01b0\u1eddi, ra hi\u1ec7u nh\u1ea5c v\u00e0 \u0111\u1eb7t l\u1ea1i \u0111\u1ed3ng b\u1ed9 trong khi m\u1ecdi ng\u01b0\u1eddi \u0111\u1ec1u t\u1eadp trung v\u00e0o \u0111i\u1ec3m k\u1eb9p. Nh\u1ecbp l\u00e0m vi\u1ec7c k\u1ef7 lu\u1eadt n\u00e0y gi\u1ea3m m\u1ec7t m\u1ecfi v\u00e0 ph\u1ea3n \u1ee9ng tr\u1ec5 \u2014 y\u1ebfu t\u1ed1 ti\u1ec1m \u1ea9n chi\u1ebfm g\u1ea7n 20\u202f% c\u00e1c s\u1ef1 c\u1ed1 m\u00e1y ch\u1ea5n \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o.<\/p>\n\n\n\n

        B\u00e0i h\u1ecdc r\u1ea5t r\u00f5 r\u00e0ng: nh\u1ecbp \u0111\u1ed9 kh\u00f4ng l\u00e0m gi\u1ea3m an to\u00e0n \u2014 n\u00f3 th\u1ec3 hi\u1ec7n r\u1eb1ng quy tr\u00ecnh \u0111ang \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Khi m\u00e1y, ph\u00f4i v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh di chuy\u1ec3n \u0111\u1ed3ng b\u1ed9, \u0111\u1ec1u \u0111\u1eb7n v\u00e0 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n, c\u00e1c \u0111\u01b0\u1eddng g\u1eadp lu\u00f4n ch\u00ednh x\u00e1c, c\u1ea3m bi\u1ebfn kh\u00f4ng k\u00edch ho\u1ea1t, v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng h\u1ea5t ng\u01b0\u1ee3c kh\u00f4ng c\u00f3 c\u01a1 h\u1ed9i xu\u1ea5t hi\u1ec7n.<\/p>\n\n\n\n

        72\u202fGi\u1edd Ti\u1ebfp Theo: Tr\u00ecnh T\u1ef1 \u01afu Ti\u00ean<\/h2>\n\n\n\n

        Ba ng\u00e0y k\u1ebf ti\u1ebfp s\u1ebd quy\u1ebft \u0111\u1ecbnh xem an to\u00e0n c\u00f3 tr\u1edf th\u00e0nh h\u1ec7 th\u1ed1ng th\u1ef1c t\u1ebf hay ch\u1ec9 l\u00e0 kh\u1ea9u hi\u1ec7u. M\u1ed7i khu v\u1ef1c m\u00e1y ch\u1ea5n \u0111\u1ec1u ti\u1ec1m \u1ea9n r\u1ee7i ro \u2014 388 ca c\u1eaft c\u1ee5t trong n\u0103m ngo\u00e1i l\u00e0 minh ch\u1ee9ng \u2014 nh\u01b0ng k\u1ebf ho\u1ea1ch h\u00e0nh \u0111\u1ed9ng 72\u202fgi\u1edd c\u1ee7a b\u1ea1n s\u1ebd thay \u0111\u1ed5i th\u00f3i quen tr\u01b0\u1edbc khi x\u01b0\u01a1ng c\u1ed1t ph\u1ea3i tr\u1ea3 gi\u00e1.<\/p>\n\n\n\n

        Gi\u1edd 0\u20138: \u0110\u00f3ng b\u0103ng b\u00e0n \u0111\u1ea1p ch\u00e2n.<\/strong> B\u1eaft \u0111\u1ea7u t\u1eeb ngu\u1ed3n chuy\u1ec3n \u0111\u1ed9ng. Ki\u1ec3m tra t\u1eebng b\u00e0n \u0111\u1ea1p ch\u00e2n \u0111\u1ec3 ph\u00e1t hi\u1ec7n t\u1ea5m ch\u1eafn b\u1ecb thi\u1ebfu. G\u1eafn th\u1ebb v\u00e0 v\u00f4 hi\u1ec7u h\u00f3a b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o \u0111\u00e1ng ng\u1edd \u2014 kh\u00f4ng c\u00f3 ngo\u1ea1i l\u1ec7. M\u1ed9t c\u00f4ng nh\u00e2n \u0111\u00e3 m\u1ea5t c\u1ea3 hai tay ch\u1ec9 v\u00ec kh\u00f4ng ai d\u1eebng l\u1ea1i \u0111\u1ec3 l\u1eafp t\u1ea5m ch\u1eafn tr\u1ecb gi\u00e1 hai m\u01b0\u01a1i \u0111\u00f4 la. H\u00e3y \u0111\u1eb7t ra quy t\u1eafc: kh\u00f4ng c\u00f3 t\u1ea5m ch\u1eafn, kh\u00f4ng \u0111\u01b0\u1ee3c v\u1eadn h\u00e0nh. Ch\u1ee5p \u1ea3nh v\u00ed d\u1ee5 t\u1ed1t v\u00e0 x\u1ea5u r\u1ed3i d\u00e1n g\u1ea7n \u0111\u1ed3ng h\u1ed3 ch\u1ea5m c\u00f4ng. B\u1eb1ng ch\u1ee9ng tr\u1ef1c quan t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n b\u1ea5t k\u1ef3 bu\u1ed5i h\u1ecdp an to\u00e0n n\u00e0o.<\/p>\n\n\n\n

        Gi\u1edd 8\u201324: \u0110o th\u1eddi gian d\u1eebng c\u1ee7a b\u1ea1n.<\/strong> Ti\u00eau chu\u1ea9n ANSI B11.3 y\u00eau c\u1ea7u h\u00e0nh tr\u00ecnh ram kh\u00f4ng \u0111\u01b0\u1ee3c v\u01b0\u1ee3t qu\u00e1 14 milim\u00e9t sau khi k\u00edch ho\u1ea1t thi\u1ebft b\u1ecb an to\u00e0n. B\u1ea5t k\u1ef3 t\u1ed1c \u0111\u1ed9 d\u1eebng n\u00e0o ch\u1eadm h\u01a1n s\u1ebd bu\u1ed9c ph\u1ea3i gi\u00e3n kho\u1ea3ng c\u00e1ch m\u00e0n ch\u1eafn s\u00e1ng \u2014 m\u1ed9t l\u1eddi m\u1eddi m\u1edf \u0111\u1ec3 b\u1ecb v\u01b0\u1ee3t qua. H\u00e3y s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111o th\u1eddi gian d\u1eebng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn v\u00e0 ghi l\u1ea1i k\u1ebft qu\u1ea3 cho t\u1eebng phanh. N\u1ebfu m\u1ed9t b\u1ed9 ph\u1eadn kh\u00f4ng th\u1ec3 d\u1eebng \u0111\u1ee7 nhanh, b\u1ea1n v\u1eeba ph\u00e1t hi\u1ec7n \u201cl\u1ed7i \u00e2m th\u1ea7m\u201d m\u00e0 OSHA ph\u00e2n lo\u1ea1i l\u00e0 vi ph\u1ea1m nghi\u00eam tr\u1ecdng trong 88% th\u1eddi gian. Bi\u1ebft \u0111\u01b0\u1ee3c kho\u1ea3ng c\u00e1ch d\u1eebng th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n gi\u00fap thay th\u1ebf s\u1ef1 hy v\u1ecdng b\u1eb1ng d\u1eef li\u1ec7u ch\u00ednh x\u00e1c.<\/p>\n\n\n\n

        Gi\u1edd 24\u201348: Theo d\u00f5i c\u00e1c l\u1ea7n v\u01b0\u1ee3t kh\u00f3a nh\u01b0 ch\u1ec9 s\u1ed1 \u0111o l\u01b0\u1eddng.<\/strong> Ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u01b0\u1eddng v\u00f4 hi\u1ec7u h\u00f3a c\u1ea3m bi\u1ebfn \u0111\u1ec3 ch\u1ea1y k\u1ecbp ti\u1ebfn \u0111\u1ed9 \u2014 g\u1ea7n m\u1ed9t tr\u00ean n\u0103m chu k\u1ef3 c\u00f3 h\u00e0nh vi v\u01b0\u1ee3t kh\u00f3a. H\u00e3y \u0111\u01b0a \u0111i\u1ec1u \u0111\u00f3 ra \u00e1nh s\u00e1ng. M\u1ed7i \u0111\u1ed9i t\u1ed5 ch\u1ee9c h\u1ecdp ng\u1eafn cu\u1ed1i ca: \u201cH\u00f4m nay c\u00f3 t\u1eaft c\u1ea3m bi\u1ebfn n\u00e0o kh\u00f4ng?\u201d M\u1ed7i l\u1ea7n v\u01b0\u1ee3t kh\u00f3a \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 m\u1ed9t ch\u1ec9 b\u00e1o s\u1edbm<\/em>, kh\u00f4ng ph\u1ea3i l\u1eddi th\u00fa t\u1ed9i. B\u1eaft \u0111\u1ea7u l\u1eadp bi\u1ec3u \u0111\u1ed3 c\u00e1c s\u1ef1 ki\u1ec7n n\u00e0y tr\u00ean m\u1ed7i 1.000 gi\u1edd v\u1eadn h\u00e0nh. Gi\u00e1m s\u00e1t t\u1ef7 l\u1ec7 \u0111\u00f3 gi\u1ed1ng nh\u01b0 c\u00e1ch b\u1ea1n gi\u00e1m s\u00e1t l\u01b0\u1ee3ng ph\u1ebf ph\u1ea9m. Khi s\u1ed1 l\u1ea7n v\u01b0\u1ee3t kh\u00f3a gi\u1ea3m, th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng th\u01b0\u1eddng t\u0103ng trong v\u00f2ng hai tu\u1ea7n \u2014 nh\u1eefng nh\u00f3m \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao nh\u1ea5t ch\u1ee9ng minh ngh\u1ecbch l\u00fd n\u00e0y h\u1eb1ng ng\u00e0y: an to\u00e0n th\u00fac \u0111\u1ea9y t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n

        Gi\u1edd 48\u201372: Ch\u1ec9 \u0111\u1ecbnh c\u1eb7p l\u00e0m vi\u1ec7c vi m\u00f4.<\/strong> C\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf khi\u1ebfn ng\u00f3n tay ti\u1ebfn g\u1ea7n khu\u00f4n d\u1eadp m\u1ed9t c\u00e1ch nguy hi\u1ec3m. H\u00e3y ph\u00e2n c\u00f4ng m\u1ed9t \u0111\u00f4i c\u00f4ng nh\u00e2n cho m\u1ed7i c\u00f4ng vi\u1ec7c ng\u1eafn h\u1ea1n \u2014 m\u1ed9t ng\u01b0\u1eddi x\u1eed l\u00fd chi ti\u1ebft, ng\u01b0\u1eddi kia \u0111i\u1ec1u khi\u1ec3n b\u00e0n \u0111\u1ea1p. Lu\u00e2n phi\u00ean gi\u00fap tr\u00e1nh m\u1ec7t m\u1ecfi, v\u00e0 ph\u1ed1i h\u1ee3p gi\u00fap tr\u00e1nh h\u1ed7n lo\u1ea1n. Ghi r\u00f5 ai ch\u1ecbu tr\u00e1ch nhi\u1ec7m gi\u00e1m s\u00e1t c\u00e1c b\u1ed9 ph\u1eadn nh\u1ecf tr\u01b0\u1edbc khi k\u1ebft th\u00fac ca ng\u00e0y th\u1ee9 S\u00e1u.<\/p>\n\n\n\n

        \u0110\u1ebfn h\u1ebft 72 gi\u1edd, b\u1ea1n s\u1ebd c\u00f3 \u0111\u1ee7 b\u1ed1n y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu: m\u1ecdi b\u00e0n \u0111\u1ea1p \u0111\u1ec1u c\u00f3 t\u1ea5m ch\u1eafn, m\u1ecdi th\u1eddi gian d\u1eebng \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn, m\u1ecdi l\u1ea7n v\u01b0\u1ee3t kh\u00f3a \u0111\u1ec1u \u0111\u01b0\u1ee3c ghi l\u1ea1i, v\u00e0 m\u1ecdi c\u00f4ng vi\u1ec7c c\u00f3 b\u1ed9 ph\u1eadn nh\u1ecf \u0111\u1ec1u \u0111\u01b0\u1ee3c ph\u00e2n c\u00f4ng r\u00f5 r\u00e0ng. Kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb m\u1edbi \u2014 ch\u1ec9 c\u1ea7n cam k\u1ebft th\u1ef1c hi\u1ec7n.<\/p>\n\n\n\n

        B\u1ea1n b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh n\u00e0y v\u1edbi hy v\u1ecdng duy tr\u00ec n\u0103ng su\u1ea5t m\u00e0 kh\u00f4ng b\u1ecb \u0111\u00ecnh tr\u1ec7. Gi\u1edd th\u00ec r\u00f5 r\u00e0ng: h\u1ec7 th\u1ed1ng kh\u00f4ng an to\u00e0n v\u00ec<\/em> n\u00f3 l\u00e0m ch\u1eadm c\u00f4ng vi\u1ec7c \u2014 m\u00e0 an to\u00e0n v\u00ec m\u1ecdi chuy\u1ec3n \u0111\u1ed9ng, m\u1ecdi d\u1eef li\u1ec7u, m\u1ecdi l\u1ea7n d\u1eebng ng\u1eafn \u0111\u1ec1u \u0111\u01b0\u1ee3c theo d\u00f5i v\u00e0 hi\u1ec3u r\u00f5. Trong 14 milim\u00e9t t\u1ea1m d\u1eebng l\u1eb7ng l\u1ebd \u0111\u00f3, s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 th\u1eadn tr\u1ecdng cu\u1ed1i c\u00f9ng h\u00f2a c\u00f9ng m\u1ed9t nh\u1ecbp \u0111i\u1ec7u.<\/p>\n\n\n\n

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

        \u00c2m thanh c\u1ee7a m\u1ed9t chi\u1ebfc b\u00faa th\u1ee7y l\u1ef1c r\u01a1i qu\u00e1 nhanh \u2014 v\u00e0 ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n n\u00f3 g\u00e2y ra \nChi\u1ebfc b\u00faa th\u1ee7y l\u1ef1c r\u01a1i nhanh h\u01a1n b\u00ecnh th\u01b0\u1eddng \u2014 ch\u1ec9 nhanh h\u01a1n m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a gi\u00e2y \u2014 nh\u01b0ng \u00e2m thanh th\u00ec kh\u00f4ng th\u1ec3 nh\u1ea7m l\u1eabn: m\u1ed9t ti\u1ebfng n\u1ed5 kim lo\u1ea1i m\u1ea1nh m\u1ebd khi\u1ebfn m\u1ecdi ng\u01b0\u1eddi v\u1eadn h\u00e0nh tr\u00ean s\u00e0n \u0111\u1ec1u s\u1eefng l\u1ea1i.\u202fKhi n\u00e3o k\u1ecbp x\u1eed l\u00fd nh\u1eefng g\u00ec tai v\u1eeba nghe th\u1ea5y, [\u2026]<\/p>","protected":false},"author":1,"featured_media":215,"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-554","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\/554","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=554"}],"version-history":[{"count":3,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/554\/revisions"}],"predecessor-version":[{"id":1122,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/posts\/554\/revisions\/1122"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media\/215"}],"wp:attachment":[{"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/media?parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/categories?post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn-hawe.com\/vi\/wp-json\/wp\/v2\/tags?post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}