{"id":4989,"date":"2025-05-05T09:00:17","date_gmt":"2025-05-05T02:00:17","guid":{"rendered":"https:\/\/mayxaydunghanoi.com\/?p=4989"},"modified":"2025-12-13T03:18:22","modified_gmt":"2025-12-12T20:18:22","slug":"cac-loai-bu-long-bua-thuy-luc-va-nguy-co-gay-khi-siet-sai-ky-thuat","status":"publish","type":"post","link":"https:\/\/mayxaydunghanoi.com\/vi\/cac-loai-bu-long-bua-thuy-luc-va-nguy-co-gay-khi-siet-sai-ky-thuat\/","title":{"rendered":"C\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c v\u00e0 nguy c\u01a1 g\u00e3y khi si\u1ebft sai k\u1ef9 thu\u1eadt"},"content":{"rendered":"<h2>T\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c th\u01b0\u1eddng d\u00f9ng v\u00e0 c\u1ea3nh b\u00e1o nguy c\u01a1 g\u00e3y, cong n\u1ebfu si\u1ebft kh\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt.<\/h2>\n<p>Trong h\u1ec7 th\u1ed1ng <a href=\"https:\/\/mayxaydunghanoi.com\/vi\/phu-tung-bua-dap-thuy-luc-chinh-hang-hanoi-vietnam\/\">ph\u1ee5 t\u00f9ng b\u00faa th\u1ee7y l\u1ef1c<\/a> d\u00f9ng cho m\u00e1y c\u00f4ng tr\u00ecnh, bu l\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 ph\u1eadn gi\u1eef vai tr\u00f2 quan tr\u1ecdng \u0111\u1ec3 li\u00ean k\u1ebft ch\u1eafc ch\u1eafn c\u00e1c chi ti\u1ebft chuy\u1ec3n \u0111\u1ed9ng. Tuy nhi\u00ean, th\u1ef1c t\u1ebf thi c\u00f4ng cho th\u1ea5y t\u00ecnh tr\u1ea1ng bu l\u00f4ng b\u1ecb g\u00e3y, cong ho\u1eb7c tu\u1ed9t ren do si\u1ebft sai k\u1ef9 thu\u1eadt v\u1eabn di\u1ec5n ra kh\u00e1 ph\u1ed5 bi\u1ebfn. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch c\u1ee5 th\u1ec3 t\u1eebng lo\u1ea1i bu l\u00f4ng d\u00f9ng trong b\u00faa th\u1ee7y l\u1ef1c, c\u1ea5u t\u1ea1o \u2013 ch\u1ee9c n\u0103ng, v\u00e0 h\u01b0\u1edbng d\u1eabn c\u00e1ch si\u1ebft \u0111\u00fang k\u1ef9 thu\u1eadt \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n<h3>C\u1ea5u t\u1ea1o v\u00e0 vai tr\u00f2 c\u1ee7a bu l\u00f4ng trong b\u00faa th\u1ee7y l\u1ef1c<\/h3>\n<p>Bu l\u00f4ng trong b\u00faa th\u1ee7y l\u1ef1c kh\u00f4ng ch\u1ec9 l\u00e0 chi ti\u1ebft c\u01a1 kh\u00ed \u0111\u01a1n thu\u1ea7n, m\u00e0 l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ecbu l\u1ef1c va \u0111\u1eadp, rung l\u1eafc v\u00e0 \u00e1p su\u1ea5t c\u1ef1c cao trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh. T\u00f9y v\u00e0o t\u1eebng v\u1ecb tr\u00ed l\u1eafp r\u00e1p, bu l\u00f4ng c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn m\u1ed9t ho\u1eb7c nhi\u1ec1u vai tr\u00f2 nh\u01b0:<\/p>\n<ul>\n<li>Li\u00ean k\u1ebft th\u00e2n b\u00faa v\u1edbi ph\u1ea7n \u0111\u1ebf ho\u1eb7c gi\u00e1 treo<\/li>\n<li>Gi\u1eef c\u1ed1 \u0111\u1ecbnh xy lanh, pittong, \u1ed1ng l\u00f3t<\/li>\n<li>\u0110\u1ecbnh v\u1ecb \u0111inh b\u00faa trong l\u00f2ng v\u1ecf b\u00faa<\/li>\n<\/ul>\n<p>V\u1eadt li\u1ec7u ch\u1ebf t\u1ea1o bu l\u00f4ng th\u01b0\u1eddng l\u00e0 th\u00e9p h\u1ee3p kim c\u01b0\u1eddng \u0111\u1ed9 cao nh\u01b0 40Cr, SCM435 ho\u1eb7c 42CrMo. C\u00e1c lo\u1ea1i th\u00e9p n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c v\u00e0 ch\u1ed1ng bi\u1ebfn d\u1ea1ng. \u0110\u1ed9 c\u1ee9ng bu l\u00f4ng th\u01b0\u1eddng \u0111\u1ea1t t\u1eeb HRC 35\u201342, t\u01b0\u01a1ng \u1ee9ng c\u1ea5p b\u1ec1n 10.9 ho\u1eb7c 12.9 theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf.<\/p>\n<h3>Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c ph\u1ed5 bi\u1ebfn<\/h3>\n<p>Vi\u1ec7c ph\u00e2n lo\u1ea1i bu l\u00f4ng d\u1ef1a tr\u00ean c\u1ea3 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng lo\u1ea1i bu l\u00f4ng ph\u1ed5 bi\u1ebfn:<\/p>\n<h4>Bu l\u00f4ng m\u1eb7t b\u00edch (Side Bolt)<\/h4>\n<p>\u0110\u00e2y l\u00e0 lo\u1ea1i bu l\u00f4ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1eaft ngang qua th\u00e2n b\u00faa, c\u00f3 nhi\u1ec7m v\u1ee5 li\u00ean k\u1ebft hai m\u00e1 b\u00faa l\u1ea1i v\u1edbi nhau \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u1ee5m \u0111\u1eadp b\u00ean trong. Bu l\u00f4ng m\u1eb7t b\u00edch c\u1ea7n ch\u1ecbu \u0111\u01b0\u1ee3c rung \u0111\u1ed9ng ngang l\u1edbn v\u00e0 c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao khi gia c\u00f4ng \u0111\u1ec3 kh\u00f4ng g\u00e2y l\u1ec7ch tr\u1ee5c. \u0110\u00e2y l\u00e0 lo\u1ea1i bu l\u00f4ng th\u01b0\u1eddng xuy\u00ean b\u1ecb thay th\u1ebf do l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng li\u00ean t\u1ee5c.<\/p>\n<h4>Bu l\u00f4ng \u0111\u1ebf (Bottom Bolt)<\/h4>\n<p>Bu l\u00f4ng \u0111\u1ebf n\u1eb1m \u1edf ph\u1ea7n \u0111\u00e1y c\u1ee7a b\u00faa th\u1ee7y l\u1ef1c, k\u1ebft n\u1ed1i c\u1ee5m b\u00faa v\u1edbi ch\u00e2n \u0111\u1ebf ho\u1eb7c gi\u00e1 \u0111\u1ee1. \u0110\u00e2y l\u00e0 \u0111i\u1ec3m ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi g\u1ea7m m\u00e1y, do \u0111\u00f3 lo\u1ea1i bu l\u00f4ng n\u00e0y ph\u1ea3i c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu va \u0111\u1eadp t\u1ed1t, \u0111\u1ed3ng th\u1eddi ch\u1ed1ng m\u00e0i m\u00f2n cao. Vi\u1ec7c l\u1ef1a ch\u1ecdn bu l\u00f4ng \u0111\u1ebf kh\u00f4ng \u0111\u00fang ti\u00eau chu\u1ea9n d\u1ec5 d\u1eabn \u0111\u1ebfn tu\u1ed9t ren ho\u1eb7c g\u00e3y ngang khi m\u00e1y v\u1eadn h\u00e0nh l\u00e2u d\u00e0i.<\/p>\n<h4>Bu l\u00f4ng \u0111\u1ea7u b\u00faa (Top Bolt)<\/h4>\n<p>Bu l\u00f4ng n\u00e0y gi\u1eef ph\u1ea7n \u0111\u1ea7u b\u00faa \u2013 n\u1eafp tr\u00ean, k\u1ebft n\u1ed1i th\u00e2n b\u00faa v\u1edbi h\u1ec7 th\u1ed1ng d\u1eabn \u0111\u1ed9ng. N\u00f3 ch\u1ecbu l\u1ef1c k\u00e9o v\u00e0 l\u1ef1c n\u00e9n d\u1ecdc tr\u1ee5c r\u1ea5t l\u1edbn. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft \u0111\u1ec1u ho\u1eb7c l\u1ef1c si\u1ebft kh\u00f4ng \u0111\u1ea1t, bu l\u00f4ng d\u1ec5 b\u1ecb g\u00e3y ho\u1eb7c b\u1eadt ren trong qu\u00e1 tr\u00ecnh b\u00faa ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n<h4>Bu l\u00f4ng gi\u1eef \u0111inh (Tool Bolt ho\u1eb7c Pin Bolt)<\/h4>\n<p>Bu l\u00f4ng lo\u1ea1i n\u00e0y c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n nh\u01b0ng y\u00eau c\u1ea7u r\u1ea5t cao v\u1ec1 \u0111\u1ed9 c\u1ee9ng. \u0110\u00e2y l\u00e0 lo\u1ea1i bu l\u00f4ng gi\u1eef ch\u1eb7t \u0111inh b\u00faa \u2013 b\u1ed9 ph\u1eadn ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi v\u1eadt li\u1ec7u \u0111\u1eadp. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft \u0111\u00fang l\u1ef1c, bu l\u00f4ng gi\u1eef \u0111inh r\u1ea5t d\u1ec5 b\u1ecb bung ra ho\u1eb7c g\u00e3y khi g\u1eb7p t\u1ea3i tr\u1ecdng l\u1edbn b\u1ea5t ng\u1edd.<\/p>\n<h3>Nguy c\u01a1 g\u00e3y bu l\u00f4ng khi si\u1ebft sai k\u1ef9 thu\u1eadt<\/h3>\n<p>Sai k\u1ef9 thu\u1eadt trong qu\u00e1 tr\u00ecnh si\u1ebft bu l\u00f4ng l\u00e0 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y g\u00e3y ho\u1eb7c h\u01b0 h\u1ecfng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c nguy c\u01a1 ph\u1ed5 bi\u1ebfn:<\/p>\n<h4>Si\u1ebft qu\u00e1 l\u1ef1c (over-torque)<\/h4>\n<p>S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 si\u1ebft qu\u00e1 m\u1ea1nh \u2013 \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u00fang b\u1eafn bu l\u00f4ng kh\u00f4ng ki\u1ec3m so\u00e1t l\u1ef1c \u2013 c\u00f3 th\u1ec3 l\u00e0m bu l\u00f4ng b\u1ecb k\u00e9o gi\u00e3n v\u01b0\u1ee3t m\u1ee9c cho ph\u00e9p. H\u1eadu qu\u1ea3 l\u00e0 n\u1ee9t l\u1ed7 ren, g\u00e3y th\u00e2n ho\u1eb7c bi\u1ebfn d\u1ea1ng ren. Nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf ghi nh\u1eadn bu l\u00f4ng b\u1ecb g\u00e3y ngay l\u1ea7n v\u1eadn h\u00e0nh \u0111\u1ea7u ti\u00ean do si\u1ebft qu\u00e1 l\u1ef1c trong l\u1eafp \u0111\u1eb7t.<\/p>\n<h4>Si\u1ebft kh\u00f4ng \u0111\u1ec1u ho\u1eb7c sai tr\u00ecnh t\u1ef1<\/h4>\n<p>Khi c\u00e1c bu l\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u ho\u1eb7c kh\u00f4ng theo tr\u00ecnh t\u1ef1 ch\u00e9o, l\u1ef1c k\u1eb9p s\u1ebd ph\u00e2n b\u1ed1 kh\u00f4ng \u0111\u1ec1u tr\u00ean to\u00e0n b\u1ed9 c\u1ee5m b\u00faa. \u0110i\u1ec1u n\u00e0y g\u00e2y ra v\u00eanh m\u1eb7t ti\u1ebfp x\u00fac, d\u1eabn \u0111\u1ebfn m\u1ed9t s\u1ed1 bu l\u00f4ng ch\u1ecbu t\u1ea3i nhi\u1ec1u h\u01a1n b\u00ecnh th\u01b0\u1eddng v\u00e0 d\u1ec5 b\u1ecb g\u00e3y ngang khi ch\u1ecbu l\u1ef1c va \u0111\u1eadp l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n<h4>Kh\u00f4ng d\u00f9ng c\u1edd l\u00ea l\u1ef1c (torque wrench)<\/h4>\n<p>Trong c\u00e1c c\u00f4ng tr\u01b0\u1eddng, vi\u1ec7c b\u1ecf qua c\u1edd l\u00ea l\u1ef1c l\u00e0 kh\u00e1 ph\u1ed5 bi\u1ebfn. H\u1eadu qu\u1ea3 l\u00e0 ng\u01b0\u1eddi th\u1ee3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c bu l\u00f4ng \u0111\u00e3 si\u1ebft \u0111\u1ea1t l\u1ef1c khuy\u1ebfn ngh\u1ecb hay ch\u01b0a. Khi v\u1eadn h\u00e0nh m\u00e1y, c\u00e1c bu l\u00f4ng ch\u01b0a \u0111\u1ee7 l\u1ef1c si\u1ebft s\u1ebd t\u1eeb t\u1eeb l\u1ecfng ra, g\u00e2y h\u01b0 h\u1ecfng do rung l\u1eafc ho\u1eb7c va \u0111\u1eadp l\u1ec7ch t\u00e2m.<\/p>\n<h4>D\u00f9ng bu l\u00f4ng sai c\u1ea5p b\u1ec1n<\/h4>\n<p>M\u1ed9t l\u1ed7i nghi\u00eam tr\u1ecdng n\u1eefa l\u00e0 d\u00f9ng bu l\u00f4ng ph\u1ed5 th\u00f4ng \u0111\u1ec3 thay th\u1ebf cho bu l\u00f4ng \u0111\u1eb7c ch\u1ee7ng. C\u00e1c lo\u1ea1i bu l\u00f4ng kh\u00f4ng \u0111\u1ea1t c\u1ea5p b\u1ec1n s\u1ebd kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c v\u00e0 rung \u0111\u1ed9ng \u0111\u1eb7c tr\u01b0ng c\u1ee7a b\u00faa th\u1ee7y l\u1ef1c. Ch\u00fang r\u1ea5t d\u1ec5 b\u1ecb \u0111\u1ee9t ho\u1eb7c n\u1ee9t th\u00e2n ch\u1ec9 sau v\u00e0i ca l\u00e0m vi\u1ec7c.<\/p>\n<h3>C\u00e1ch si\u1ebft bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c \u0111\u00fang k\u1ef9 thu\u1eadt<\/h3>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd cho thi\u1ebft b\u1ecb, vi\u1ec7c si\u1ebft bu l\u00f4ng c\u1ea7n tu\u00e2n theo quy tr\u00ecnh k\u1ef9 thu\u1eadt chu\u1ea9n:<\/p>\n<ul>\n<li>L\u00e0m s\u1ea1ch l\u1ed7 ren v\u00e0 th\u00e2n bu l\u00f4ng b\u1eb1ng kh\u00ed n\u00e9n, tr\u00e1nh \u0111\u1ec3 b\u1ee5i b\u1ea9n ho\u1eb7c c\u1eb7n d\u1ea7u m\u1ee1 b\u00e1m d\u00ednh.<\/li>\n<li>Tra m\u1ee1 b\u00f4i tr\u01a1n ch\u1ecbu nhi\u1ec7t v\u00e0o ph\u1ea7n ren \u0111\u1ec3 ch\u1ed1ng k\u1eb9t v\u00e0 gi\u1ea3m ma s\u00e1t.<\/li>\n<li>S\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n, c\u00e0i \u0111\u00fang m\u1ee9c l\u1ef1c m\u00f4-men theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n<li>Si\u1ebft theo tr\u00ecnh t\u1ef1 h\u00ecnh sao ho\u1eb7c ch\u00e9o, t\u0103ng l\u1ef1c si\u1ebft theo t\u1eebng l\u01b0\u1ee3t \u0111\u1ec3 tr\u00e1nh ph\u00e2n b\u1ed1 l\u1ef1c kh\u00f4ng \u0111\u1ec1u.<\/li>\n<li>Sau khi l\u1eafp \u0111\u1eb7t, n\u00ean ki\u1ec3m tra l\u1ea1i to\u00e0n b\u1ed9 bu l\u00f4ng sau 2\u20134 gi\u1edd v\u1eadn h\u00e0nh v\u00e0 si\u1ebft l\u1ea1i n\u1ebfu c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<h3>B\u1ea3ng m\u00f4-men xo\u1eafn khuy\u1ebfn ngh\u1ecb cho bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i bu l\u00f4ng<\/th>\n<th>C\u1ea5p b\u1ec1n<\/th>\n<th>\u0110\u01b0\u1eddng k\u00ednh (mm)<\/th>\n<th>M\u00f4-men xo\u1eafn (Nm)<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M16<\/td>\n<td>10.9<\/td>\n<td>16<\/td>\n<td>210\u2013250<\/td>\n<td>Bu l\u00f4ng m\u1eb7t b\u00edch, si\u1ebft h\u00ecnh sao<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>12.9<\/td>\n<td>20<\/td>\n<td>400\u2013480<\/td>\n<td>Bu l\u00f4ng \u0111\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>M24<\/td>\n<td>10.9<\/td>\n<td>24<\/td>\n<td>660\u2013720<\/td>\n<td>Bu l\u00f4ng \u0111\u1ea7u b\u00faa, c\u1ea7n tra m\u1ee1 ren<\/td>\n<\/tr>\n<tr>\n<td>M30<\/td>\n<td>12.9<\/td>\n<td>30<\/td>\n<td>1200\u20131350<\/td>\n<td>Bu l\u00f4ng gi\u1eef khung b\u00faa c\u00f4ng su\u1ea5t l\u1edbn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c c\u1ea7n \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u0111\u00fang lo\u1ea1i, \u0111\u00fang c\u1ea5p b\u1ec1n \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb.<\/li>\n<li>Vi\u1ec7c si\u1ebft sai k\u1ef9 thu\u1eadt l\u00e0 nguy\u00ean nh\u00e2n ch\u1ee7 y\u1ebfu g\u00e2y g\u00e3y bu l\u00f4ng trong qu\u00e1 tr\u00ecnh thi c\u00f4ng.<\/li>\n<li>S\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c v\u00e0 tu\u00e2n th\u1ee7 tr\u00ecnh t\u1ef1 si\u1ebft \u0111\u00fang k\u1ef9 thu\u1eadt s\u1ebd gi\u00fap t\u0103ng tu\u1ed5i th\u1ecd cho c\u1ee5m b\u00faa.<\/li>\n<\/ul>\n<hr \/>\n<p><strong>Li\u00ean h\u1ec7:<\/strong><\/p>\n<ul>\n<li><strong>Hotline:<\/strong> 0988.601.755<\/li>\n<li><strong>Kho b\u00e3i:<\/strong> Th\u00f4n Ph\u00f9 D\u1ef1c 1, x\u00e3 Ph\u00f9 \u0110\u1ed5ng, huy\u1ec7n Gia L\u00e2m, H\u00e0 N\u1ed9i<\/li>\n<li><strong>Website:<\/strong> <a href=\"https:\/\/mayxaydunghanoi.com\/\">https:\/\/mayxaydunghanoi.com<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c th\u01b0\u1eddng d\u00f9ng v\u00e0 c\u1ea3nh b\u00e1o nguy c\u01a1 g\u00e3y, cong n\u1ebfu si\u1ebft kh\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt. Trong h\u1ec7 th\u1ed1ng ph\u1ee5 t\u00f9ng b\u00faa th\u1ee7y l\u1ef1c d\u00f9ng cho m\u00e1y c\u00f4ng tr\u00ecnh, bu l\u00f4ng l\u00e0 m\u1ed9t trong nh\u1eefng b\u1ed9 ph\u1eadn gi\u1eef vai tr\u00f2 quan tr\u1ecdng \u0111\u1ec3 li\u00ean k\u1ebft ch\u1eafc ch\u1eafn c\u00e1c chi ti\u1ebft chuy\u1ec3n \u0111\u1ed9ng. Tuy nhi\u00ean, th\u1ef1c t\u1ebf thi c\u00f4ng cho th\u1ea5y t\u00ecnh tr\u1ea1ng&#8230;<\/p>\n","protected":false},"author":1,"featured_media":4749,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-4989","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c v\u00e0 nguy c\u01a1 g\u00e3y khi si\u1ebft sai k\u1ef9 thu\u1eadt - Hanoi Vietnam Co., Ltd<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mayxaydunghanoi.com\/vi\/cac-loai-bu-long-bua-thuy-luc-va-nguy-co-gay-khi-siet-sai-ky-thuat\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c v\u00e0 nguy c\u01a1 g\u00e3y khi si\u1ebft sai k\u1ef9 thu\u1eadt\" \/>\n<meta property=\"og:description\" content=\"T\u00ecm hi\u1ec3u c\u00e1c lo\u1ea1i bu l\u00f4ng b\u00faa th\u1ee7y l\u1ef1c th\u01b0\u1eddng d\u00f9ng v\u00e0 c\u1ea3nh b\u00e1o nguy c\u01a1 g\u00e3y, cong n\u1ebfu si\u1ebft kh\u00f4ng \u0111\u00fang k\u1ef9 thu\u1eadt. 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