{"id":5558,"date":"2026-07-17T10:00:39","date_gmt":"2026-07-17T01:00:39","guid":{"rendered":"https:\/\/ohtavn.com\/?post_type=media&p=5558"},"modified":"2026-07-08T18:33:30","modified_gmt":"2026-07-08T09:33:30","slug":"5-ways-to-prevent-screws-from-loosening-that-you-should-know-at-the-manufacturing-site","status":"publish","type":"media","link":"https:\/\/ohtavn.com\/vi\/media\/5-ways-to-prevent-screws-from-loosening-that-you-should-know-at-the-manufacturing-site\/","title":{"rendered":"5 bi\u1ec7n ph\u00e1p ch\u1ed1ng n\u1edbi l\u1ecfng \u1ed1c v\u00edt c\u1ea7n bi\u1ebft t\u1ea1i n\u01a1i s\u1ea3n xu\u1ea5t"},"content":{"rendered":"
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L\u1eddi m\u1edf \u0111\u1ea7u<\/h3>\n<\/div>\n
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Trong ng\u00e0nh s\u1ea3n xu\u1ea5t, ch\u1ec9 m\u1ed9t \u201c\u1ed1c v\u00edt b\u1ecb n\u1edbi l\u1ecfng\u201d c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn tai n\u1ea1n nghi\u00eam tr\u1ecdng ho\u1eb7c ph\u00e1t sinh r\u1ee7i ro thu h\u1ed3i s\u1ea3n ph\u1ea9m. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 m\u00e0 ban l\u00e3nh \u0111\u1ea1o v\u00e0 ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch hi\u1ec7n tr\u01b0\u1eddng c\u1ea7n \u0111\u1eb7c bi\u1ec7t c\u1ea3nh gi\u00e1c. Tr\u00ean th\u1ef1c t\u1ebf, theo m\u1ed9t cu\u1ed9c kh\u1ea3o s\u00e1t t\u1ea1i Nh\u1eadt B\u1ea3n v\u00e0o n\u0103m 1977 v\u1ec1 nguy\u00ean nh\u00e2n c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn li\u00ean k\u1ebft b\u1eb1ng \u1ed1c v\u00edt, l\u1ed7i si\u1ebft kh\u00f4ng \u0111\u00fang chi\u1ebfm kho\u1ea3ng 43%, trong khi n\u1edbi l\u1ecfng chi\u1ebfm kho\u1ea3ng 20%<\/strong>. \u0110\u00e2y \u0111\u1ec1u l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 c\u00f3 kh\u1ea3 n\u0103ng ph\u00f2ng tr\u00e1nh cao n\u1ebfu \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1eb1ng ki\u1ebfn th\u1ee9c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p.<\/p>\n<\/div>\n

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\u0110\u1eb7c bi\u1ec7t, t\u1ea1i c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t \u1edf n\u01b0\u1edbc ngo\u00e0i nh\u01b0 Vi\u1ec7t Nam, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng kh\u00e1c v\u1edbi Nh\u1eadt B\u1ea3n nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, rung \u0111\u1ed9ng, c\u00f9ng v\u1edbi s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng linh ki\u1ec7n thu mua, c\u00f3 th\u1ec3 l\u00e0m gia t\u0103ng nguy c\u01a1 n\u1edbi l\u1ecfng v\u00edt. Vi\u1ec7c ch\u1ee7 quan r\u1eb1ng \u201c\u0111\u00e3 si\u1ebft theo m\u00f4-men nh\u01b0 m\u1ecdi khi n\u00ean ch\u1eafc ch\u1eafn kh\u00f4ng c\u00f3 v\u1ea5n \u0111\u1ec1\u201d c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng d\u1eebng d\u00e2y chuy\u1ec1n ngo\u00e0i d\u1ef1 ki\u1ebfn ho\u1eb7c l\u00e0m t\u0103ng chi ph\u00ed v\u1eadn h\u00e0nh.<\/p>\n

B\u00e0i vi\u1ebft n\u00e0y d\u00e0nh cho k\u1ef9 s\u01b0 hi\u1ec7n tr\u01b0\u1eddng v\u00e0 ng\u01b0\u1eddi ph\u1ee5 tr\u00e1ch thu mua trong ng\u00e0nh s\u1ea3n xu\u1ea5t. N\u1ed9i dung s\u1ebd gi\u1ea3i th\u00edch m\u1ed9t c\u00e1ch khoa h\u1ecdc c\u01a1 ch\u1ebf khi\u1ebfn v\u00edt b\u1ecb n\u1edbi l\u1ecfng, \u0111\u1ed3ng th\u1eddi gi\u1edbi thi\u1ec7u 5 bi\u1ec7n ph\u00e1p ch\u1ed1ng n\u1edbi l\u1ecfng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ngay t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.
\nNgo\u00e0i ra, b\u00e0i vi\u1ebft c\u0169ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c thu mua \u1ed5n \u0111\u1ecbnh t\u1ea1i Vi\u1ec7t Nam v\u00e0 ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd l\u1ef1c d\u1ecdc tr\u1ee5c hi\u1ec7n \u0111\u1ea1i \u1ee9ng d\u1ee5ng IoT, qua \u0111\u00f3 \u0111\u01b0a ra c\u00e1c h\u00e0nh \u0111\u1ed9ng c\u1ee5 th\u1ec3 nh\u1eb1m b\u1ea3o v\u1ec7 an to\u00e0n v\u00e0 n\u0103ng su\u1ea5t c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n<\/div>\n

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C\u01a1 ch\u1ebf v\u00e0 r\u1ee7i ro khi \u1ed1c v\u00edt b\u1ecb l\u1ecfng<\/h3>\n<\/div>\n
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B\u1ea3n ch\u1ea5t c\u1ee7a n\u1edbi l\u1ecfng ban \u0111\u1ea7u, hay n\u1edbi l\u1ecfng kh\u00f4ng do xoay<\/h4>\n<\/div>\n
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Hi\u1ec7n t\u01b0\u1ee3ng n\u1edbi l\u1ecfng \u1ed1c v\u00edt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m l\u1edbn: n\u1edbi l\u1ecfng c\u00f3 k\u00e8m chuy\u1ec3n \u0111\u1ed9ng xoay v\u00e0 n\u1edbi l\u1ecfng kh\u00f4ng k\u00e8m chuy\u1ec3n \u0111\u1ed9ng xoay. Trong th\u1ef1c t\u1ebf t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng b\u1ecb b\u1ecf s\u00f3t l\u00e0 \u201cn\u1edbi l\u1ecfng ban \u0111\u1ea7u\u201d, c\u00f2n g\u1ecdi l\u00e0 \u201c\u0111\u1ed9 l\u00fan ban \u0111\u1ea7u\u201d, thu\u1ed9c nh\u00f3m n\u1edbi l\u1ecfng kh\u00f4ng k\u00e8m chuy\u1ec3n \u0111\u1ed9ng xoay.<\/p>\n

Ngay sau khi \u1ed1c v\u00edt \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t, c\u00e1c \u0111i\u1ec3m g\u1ed3 gh\u1ec1 r\u1ea5t nh\u1ecf tr\u00ean b\u1ec1 m\u1eb7t t\u1ef1a c\u1ee7a bul\u00f4ng, tr\u00ean ren v\u00edt v\u00e0 tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a chi ti\u1ebft \u0111\u01b0\u1ee3c li\u00ean k\u1ebft s\u1ebd b\u1ecb \u00e9p xu\u1ed1ng v\u00e0 tr\u1edf n\u00ean ph\u1eb3ng h\u01a1n d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1ea3i tr\u1ecdng b\u00ean ngo\u00e0i. K\u1ebft qu\u1ea3 l\u00e0 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac b\u1ecb l\u00fan xu\u1ed1ng \u1edf c\u1ea5p \u0111\u1ed9 vi m\u00f4, t\u1ee9c x\u1ea3y ra bi\u1ebfn d\u1ea1ng d\u1ebbo, khi\u1ebfn l\u1ef1c c\u0103ng c\u1ee7a bul\u00f4ng, hay c\u00f2n g\u1ecdi l\u00e0 l\u1ef1c d\u1ecdc tr\u1ee5c, b\u1ecb suy gi\u1ea3m.<\/p>\n

Th\u00f4ng th\u01b0\u1eddng, l\u1ef1c d\u1ecdc tr\u1ee5c sau khi si\u1ebft c\u00f3 th\u1ec3 gi\u1ea3m kho\u1ea3ng v\u00e0i ph\u1ea7n tr\u0103m \u0111\u1ebfn 10% trong v\u00f2ng v\u00e0i gi\u1edd \u0111\u1ebfn v\u00e0i ng\u00e0y. V\u00ec v\u1eady, khi thi\u1ebft k\u1ebf li\u00ean k\u1ebft ho\u1eb7c th\u1ef1c hi\u1ec7n si\u1ebft b\u1ed5 sung, c\u1ea7n t\u00ednh \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n<\/div>\n

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S\u1ef1 t\u1ef1 xoay ng\u01b0\u1ee3c do rung \u0111\u1ed9ng (L\u1ecfng do xoay)<\/h4>\n<\/div>\n
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Nghi\u00eam tr\u1ecdng h\u01a1n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201cxoay ng\u01b0\u1ee3c\u201d do rung \u0111\u1ed9ng ho\u1eb7c va \u0111\u1eadp.
\nKhi l\u1ef1c ma s\u00e1t gi\u1eefa bul\u00f4ng v\u00e0 \u0111ai \u1ed1c b\u1ecb m\u1ea5t \u0111i trong kho\u1ea3nh kh\u1eafc b\u1edfi t\u1ea3i tr\u1ecdng l\u1eb7p l\u1ea1i theo ph\u01b0\u01a1ng ngang, ch\u1eb3ng h\u1ea1n nh\u01b0 rung \u0111\u1ed9ng ki\u1ec3u Junker, \u1ed1c v\u00edt s\u1ebd b\u1eaft \u0111\u1ea7u t\u1ef1 xoay theo h\u01b0\u1edbng n\u1edbi l\u1ecfng d\u1ecdc theo g\u00f3c n\u00e2ng ren v\u1ed1n c\u00f3 c\u1ee7a n\u00f3.
\nM\u1ed9t khi chuy\u1ec3n \u0111\u1ed9ng xoay \u0111\u00e3 b\u1eaft \u0111\u1ea7u, l\u1ef1c d\u1ecdc tr\u1ee5c s\u1ebd nhanh ch\u00f3ng gi\u1ea3m v\u1ec1 g\u1ea7n b\u1eb1ng 0. Trong tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng, \u1ed1c v\u00edt c\u00f3 th\u1ec3 b\u1ecb r\u01a1i ra, ho\u1eb7c chi ti\u1ebft li\u00ean k\u1ebft c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng, g\u00e3y v\u1ee1.<\/p>\n<\/div>\n

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5 bi\u1ec7n ph\u00e1p ch\u1ed1ng n\u1edbi l\u1ecfng n\u00ean \u00e1p d\u1ee5ng t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng<\/h3>\n<\/div>\n
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D\u01b0\u1edbi \u0111\u00e2y l\u00e0 5 bi\u1ec7n ph\u00e1p c\u1ee5 th\u1ec3 m\u00e0 c\u00e1c nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t n\u00ean c\u00e2n nh\u1eafc d\u1ef1a tr\u00ean ba y\u1ebfu t\u1ed1: chi ph\u00ed, kh\u1ea3 n\u0103ng thao t\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n<\/div>\n

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1. Th\u1ef1c hi\u1ec7n tri\u1ec7t \u0111\u1ec3 vi\u1ec7c \u201cqu\u1ea3n l\u00fd l\u1ef1c d\u1ecdc tr\u1ee5c\u201d ch\u00ednh x\u00e1c<\/h4>\n<\/div>\n
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N\u1ec1n t\u1ea3ng v\u00e0 c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i c\u1ee7a bi\u1ec7n ph\u00e1p ch\u1ed1ng n\u1edbi l\u1ecfng l\u00e0 t\u1ea1o ra \u201cl\u1ef1c d\u1ecdc tr\u1ee5c (l\u1ef1c c\u0103ng tr\u01b0\u1edbc)\u201d ph\u00f9 h\u1ee3p.<\/p>\n<\/div>\n

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