{"id":3585,"date":"2026-05-01T03:13:34","date_gmt":"2026-05-01T03:13:34","guid":{"rendered":"https:\/\/productionscrews.com\/bolts-and-screws\/"},"modified":"2026-05-01T03:13:45","modified_gmt":"2026-05-01T03:13:45","slug":"bolts-and-screws","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/bolts-and-screws\/","title":{"rendered":"\u1ed0c v\u00edt v\u00e0 bu l\u00f4ng: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00e1c lo\u1ea1i, s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 c\u00e1ch ch\u1ecdn \u0111\u00fang lo\u1ea1i \u1ed1c v\u00edt"},"content":{"rendered":"<h1>\u1ed0c v\u00edt v\u00e0 bu l\u00f4ng: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00e1c lo\u1ea1i, s\u1ef1 kh\u00e1c bi\u1ec7t v\u00e0 c\u00e1ch ch\u1ecdn \u0111\u00fang lo\u1ea1i \u1ed1c v\u00edt<\/h1>\n<p class=\"direct-answer\"><strong>\u1ed0c v\u00edt v\u00e0 bu l\u00f4ng l\u00e0 c\u00e1c lo\u1ea1i \u1ed1c v\u00edt c\u00f3 ren d\u00f9ng \u0111\u1ec3 gi\u1eef c\u00e1c v\u1eadt li\u1ec7u l\u1ea1i v\u1edbi nhau \u2014 bu l\u00f4ng \u0111i k\u00e8m v\u1edbi \u0111ai \u1ed1c v\u00e0 k\u1eb9p qua l\u1ed7 r\u1ed7ng, trong khi \u1ed1c v\u00edt ren tr\u1ef1c ti\u1ebfp v\u00e0o v\u1eadt li\u1ec7u ho\u1eb7c l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan, t\u1ea1o l\u1ef1c gi\u1eef b\u1eb1ng c\u00e1ch ti\u1ebfp x\u00fac ren \u0111\u01a1n thu\u1ea7n.<\/strong><\/p>\n<p>B\u01b0\u1edbc v\u00e0o b\u1ea5t k\u1ef3 c\u1eeda h\u00e0ng d\u1ee5ng c\u1ee5 n\u00e0o v\u00e0 l\u1ed1i \u0111i ch\u1ee9a \u1ed1c v\u00edt c\u00f3 th\u1ec3 l\u00e0m b\u1ea1n d\u1eebng l\u1ea1i. \u0110\u1ea7u l\u1ee5c gi\u00e1c, \u0111\u1ea7u Phillips, bu l\u00f4ng lag, bu l\u00f4ng xe, \u1ed1c v\u00edt g\u1ed7, \u1ed1c v\u00edt t\u1ef1 khoan \u2014 tr\u00f4ng nh\u01b0 h\u1ed7n \u0111\u1ed9n. Nh\u01b0ng \u0111\u1eb1ng sau t\u1ea5t c\u1ea3 \u0111\u1ec1u c\u00f3 m\u1ed9t logic r\u00f5 r\u00e0ng. Khi b\u1ea1n hi\u1ec3u r\u00f5 \u0111i\u1ec1u g\u00ec ph\u00e2n bi\u1ec7t bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt v\u1ec1 m\u1eb7t c\u01a1 kh\u00ed, m\u1ecdi l\u1ef1a ch\u1ecdn v\u1ec1 \u1ed1c v\u00edt s\u1ebd tr\u1edf n\u00ean r\u00f5 r\u00e0ng. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m to\u00e0n b\u1ed9 b\u1ee9c tranh: s\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 b\u1ea3n gi\u1eefa bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt, c\u00e1c lo\u1ea1i ch\u00ednh c\u1ee7a t\u1eebng lo\u1ea1i, c\u00e1ch ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t, v\u00e0 m\u1ed9t khung quy\u1ebft \u0111\u1ecbnh th\u1ef1c t\u1ebf \u0111\u1ec3 b\u1ea1n kh\u00f4ng bao gi\u1edd ch\u1ecdn nh\u1ea7m \u1ed1c v\u00edt n\u1eefa.<\/p>\n<p><img decoding=\"async\" alt=\"bu l\u00f4ng v\u00e0 v\u00edt \u2014 h\u00ecnh minh h\u1ecda anh h\u00f9ng hi\u1ec3n th\u1ecb m\u1ed9t gian h\u00e0ng ph\u1ea7n c\u1ee9ng chuy\u00ean nghi\u1ec7p v\u1edbi c\u00e1c lo\u1ea1i bu l\u00f4ng v\u00e0 v\u00edt kh\u00e1c nhau \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp theo danh m\u1ee5c\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/bolts-and-screws-hero.jpg\" \/><\/p>\n<hr \/>\n<h2>Bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt l\u00e0 g\u00ec? Gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<\/h2>\n<p><strong>Bu l\u00f4ng k\u1eb9p ch\u1eb7t hai ph\u1ea7n gi\u1eefa \u0111\u1ea7u v\u00e0 \u0111ai \u1ed1c; \u1ed1c v\u00edt t\u1ea1o l\u1ef1c gi\u1eef b\u1eb1ng c\u00e1ch ti\u1ebfp x\u00fac ren v\u1edbi ch\u00ednh v\u1eadt li\u1ec7u.<\/strong> S\u1ef1 kh\u00e1c bi\u1ec7t c\u01a1 kh\u00ed duy nh\u1ea5t n\u00e0y th\u00fac \u0111\u1ea9y m\u1ecdi quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf kh\u00e1c trong th\u1ebf gi\u1edbi \u1ed1c v\u00edt.<\/p>\n<p>\u0110\u00e2y l\u00e0 n\u01a1i h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi g\u1eb7p r\u1eafc r\u1ed1i: h\u1ecd cho r\u1eb1ng \u0111\u00f3 l\u00e0 v\u1ec1 lo\u1ea1i \u0111\u1ea7u (\u0111\u1ea7u l\u1ee5c gi\u00e1c = bu l\u00f4ng, Phillips = \u1ed1c v\u00edt) ho\u1eb7c k\u00edch th\u01b0\u1edbc. Kh\u00f4ng ph\u1ea3i v\u1eady. S\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y ho\u00e0n to\u00e0n v\u1ec1 ch\u1ee9c n\u0103ng, v\u00e0 theo <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bolt_(fastener)\" target=\"_blank\" rel=\"noopener\">tham kh\u1ea3o to\u00e0n di\u1ec7n v\u1ec1 \u1ed1c v\u00edt c\u1ee7a Wikipedia<\/a>, \u0111\u1eb7c \u0111i\u1ec3m nh\u1eadn d\u1ea1ng c\u1ee7a bu l\u00f4ng l\u00e0 n\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 si\u1ebft ch\u1eb7t b\u1eb1ng c\u00e1ch xoay \u0111ai \u1ed1c \u2014 kh\u00f4ng ph\u1ea3i \u0111\u1ea7u \u1ed1c v\u00edt.<\/p>\n<p>Trong th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0:<\/p>\n<ul>\n<li>A <strong>bu l\u00f4ng<\/strong> \u0111i qua c\u00e1c l\u1ed7 r\u1ed7ng trong c\u1ea3 hai ph\u1ea7n v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng \u0111ai \u1ed1c \u1edf ph\u00eda sau. Kh\u00f4ng bu l\u00f4ng c\u0169ng nh\u01b0 \u0111ai \u1ed1c \u201cc\u1eaft\u201d v\u00e0o v\u1eadt li\u1ec7u \u2014 l\u1ef1c k\u1eb9p l\u00e0 nhi\u1ec7m v\u1ee5 duy nh\u1ea5t c\u1ee7a \u1ed1c v\u00edt.<\/li>\n<li>A <strong>v\u00edt<\/strong> \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1ef1c ti\u1ebfp v\u00e0o m\u1ed9t v\u1eadt li\u1ec7u (g\u1ed7, kim lo\u1ea1i, nh\u1ef1a, th\u1ea1ch cao). C\u00e1c ren c\u1eafn v\u00e0o n\u1ec1n m\u00f3ng, v\u00e0 l\u1ef1c gi\u1eef ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 s\u00e2u ti\u1ebfp x\u00fac ren v\u00e0 ma s\u00e1t gi\u1eefa ren v\u00e0 v\u1eadt li\u1ec7u.<\/li>\n<\/ul>\n<p>C\u00f3 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng: <strong>\u1ed1c v\u00edt m\u00e1y<\/strong> \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t mi\u1ebfng ch\u00e8n ren ho\u1eb7c \u0111ai \u1ed1c ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c nh\u01b0 bu l\u00f4ng. C\u00e1c ti\u00eau chu\u1ea9n ASME B18 quy \u0111\u1ecbnh h\u00ecnh d\u1ea1ng c\u1ee7a \u1ed1c v\u00edt th\u1eeba nh\u1eadn s\u1ef1 m\u1edd nh\u1ea1t n\u00e0y v\u00e0 x\u00e1c \u0111\u1ecbnh \u1ed1c v\u00edt d\u1ef1a tr\u00ean c\u01a1 ch\u1ebf si\u1ebft ch\u1eb7t h\u01a1n l\u00e0 t\u00ean in tr\u00ean bao b\u00ec.<\/p>\n<h3>Nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh nh\u00ecn qua<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>\u1ed0c v\u00edt<\/th>\n<th>V\u00edt<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u01a1 ch\u1ebf gi\u1eef ch\u1eb7t<\/td>\n<td>L\u1ef1c k\u1eb9p (\u0111\u1ea7u + \u0111ai \u1ed1c)<\/td>\n<td>Ti\u1ebfp x\u00fac ren trong v\u1eadt li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea7n \u0111ai \u1ed1c kh\u00f4ng?<\/td>\n<td>C\u00f3 (th\u01b0\u1eddng xuy\u00ean)<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ea1y ren<\/td>\n<td>Th\u01b0\u1eddng l\u00e0 ren m\u1ed9t ph\u1ea7n<\/td>\n<td>Ren \u0111\u1ea7y ho\u1eb7c g\u1ea7n \u0111\u1ea7y<\/td>\n<\/tr>\n<tr>\n<td>Th\u00e1o ra v\u00e0 t\u00e1i s\u1eed d\u1ee5ng<\/td>\n<td>Cao \u2014 \u0111ai \u1ed1c c\u00f3 th\u1ec3 n\u1edbi l\u1ecfng<\/td>\n<td>V\u1eeba ph\u1ea3i \u2014 ren trong v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 b\u1ecb tr\u01b0\u1ee3t<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td>\n<td>Li\u00ean k\u1ebft c\u1ea5u tr\u00fac, m\u00e1y m\u00f3c<\/td>\n<td>G\u1ed7, th\u1ea1ch cao, gia c\u00f4ng kim lo\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td>D\u1ee5ng c\u1ee5 si\u1ebft ch\u1eb7t<\/td>\n<td>C\u1edd l\u00ea (hai b\u00ean)<\/td>\n<td>D\u1ee5ng c\u1ee5 v\u1eb7n ch\u1ec9 m\u1ed9t b\u00ean<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>T\u1ea1i sao s\u1ef1 ph\u00e2n bi\u1ec7t l\u1ea1i quan tr\u1ecdng<\/h3>\n<p>K\u00e9o m\u1ed9t bu l\u00f4ng m\u00e0 kh\u00f4ng c\u00f3 \u0111ai \u1ed1c \u2014 b\u1ea1n ch\u1eb3ng c\u00f3 g\u00ec. Bu l\u00f4ng kh\u00f4ng th\u1ec3 gi\u1eef v\u1ecb tr\u00ed c\u1ee7a ch\u00ednh n\u00f3. Ng\u01b0\u1ee3c l\u1ea1i, v\u00edt \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o g\u1ed7 \u0111\u1eb7c y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn ng\u01b0\u1ee3c c\u00f3 ch\u1ee7 \u0111\u00edch \u0111\u1ec3 l\u1ea5y ra. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac c\u1ea7n th\u00e1o l\u1eafp \u0111\u1ecbnh k\u1ef3 (b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1, m\u1ed1i n\u1ed1i \u1ed1ng c\u00f3 flange, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb), bu l\u00f4ng l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i c\u1ed1 \u0111\u1ecbnh ho\u1eb7c b\u00e1n c\u1ed1 \u0111\u1ecbnh v\u00e0o n\u1ec1n m\u00f3ng m\u00e0 kh\u00f4ng th\u1ec3 truy c\u1eadp t\u1eeb ph\u00eda sau, v\u00edt th\u1eafng th\u1ebf.<\/p>\n<hr \/>\n<h2>C\u00e1c lo\u1ea1i bu l\u00f4ng: Ph\u00e2n lo\u1ea1i \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i<\/h2>\n<p><strong>S\u00e1u lo\u1ea1i bu l\u00f4ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 bu l\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c, bu l\u00f4ng xe, bu l\u00f4ng flange, bu l\u00f4ng m\u1eaft, bu l\u00f4ng m\u00f3c, v\u00e0 bu l\u00f4ng lag \u2014 m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u01b0\u1edbng t\u1ea3i tr\u1ecdng v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t c\u1ee5 th\u1ec3.<\/strong> Ch\u1ecdn sai lo\u1ea1i ngh\u0129a l\u00e0 ho\u1eb7c l\u1eafp \u0111\u1eb7t ph\u1ee9c t\u1ea1p kh\u00f4ng c\u1ea7n thi\u1ebft ho\u1eb7c m\u1ed1i n\u1ed1i b\u1ecb h\u1ecfng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng th\u1ef1c t\u1ebf.<\/p>\n<p><img decoding=\"async\" alt=\"bu l\u00f4ng v\u00e0 v\u00edt \u2014 h\u00ecnh minh h\u1ecda c\u00e1c lo\u1ea1i v\u1edbi s\u01a1 \u0111\u1ed3 c\u00f3 nh\u00e3n c\u1ee7a bu l\u00f4ng h\u00ecnh l\u1ee5c gi\u00e1c, bu l\u00f4ng xe, bu l\u00f4ng m\u1eaft, bu l\u00f4ng m\u1eb7t b\u00edch, bu l\u00f4ng lag, v\u00e0 bu l\u00f4ng neo \u0111\u1eb7t c\u1ea1nh nhau\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/bolts-and-screws-types.jpg\" \/><\/p>\n<h3>1. Bu l\u00f4ng \u0111\u1ea7u l\u1ee5c gi\u00e1c v\u00e0 bu l\u00f4ng l\u1ee5c gi\u00e1c<\/h3>\n<p>L\u00e0 ph\u1ea7n ch\u1ee7 l\u1ef1c trong l\u1eafp r\u00e1p c\u01a1 kh\u00ed. \u0110\u1ea7u h\u00ecnh s\u00e1u c\u1ea1nh cho ph\u00e9p d\u00f9ng c\u1edd l\u00ea c\u1ea3 hai b\u00ean c\u1ee7a bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c, gi\u00fap b\u1ea1n c\u00f3 th\u1ec3 v\u1eb7n m\u00f4-men ki\u1ec3m so\u00e1t m\u00e0 kh\u00f4ng l\u00e0m quay b\u00ean kia. Bu l\u00f4ng l\u1ee5c gi\u00e1c c\u00f3 c\u00e1c c\u1ea5p t\u1eeb C\u1ea5p 2 (\u0111a d\u1ee5ng, ch\u1ecbu l\u1ef1c k\u00e9o 60.000 psi) \u0111\u1ebfn C\u1ea5p 8 (c\u01b0\u1eddng \u0111\u1ed9 cao, ch\u1ecbu l\u1ef1c k\u00e9o 150.000 psi). \u0110\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng th\u00e9p c\u1ea5u tr\u00fac, m\u00e1y m\u00f3c ho\u1eb7c \u00f4 t\u00f4 n\u00e0o, bu l\u00f4ng l\u1ee5c gi\u00e1c c\u00f9ng \u0111ai \u1ed1c ph\u00f9 h\u1ee3p theo c\u1ea5p l\u00e0 ti\u00eau chu\u1ea9n.<\/p>\n<p><strong>C\u1ea5p 5 so v\u1edbi C\u1ea5p 8:<\/strong> M\u1ee9c \u0111\u1ed9 5 (3 v\u1ebft \u0111\u00e1nh radial tr\u00ean \u0111\u1ea7u) x\u1eed l\u00fd h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng trung b\u00ecnh \u2014 m\u00f3c k\u00e9o r\u01a1 mo\u00f3c, gi\u00e1 \u0111\u1ee1 khung, gi\u00e1 \u0111\u1ee1 thi\u1ebft b\u1ecb. M\u1ee9c \u0111\u1ed9 8 (6 v\u1ebft \u0111\u00e1nh) \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh khi c\u00f3 rung \u0111\u1ed9ng, va \u0111\u1eadp ho\u1eb7c t\u1ea3i tr\u1ecdng cao li\u00ean t\u1ee5c. Kh\u00f4ng tr\u1ed9n l\u1eabn c\u00e1c c\u1ea5p \u0111\u1ed9 \u2014 m\u1ed9t bu l\u00f4ng M\u1ee9c \u0111\u1ed9 8 si\u1ebft ch\u1eb7t v\u00e0o \u0111ai \u1ed1c M\u1ee9c \u0111\u1ed9 5 s\u1ebd l\u00e0m k\u00e9o d\u00e0i ren c\u1ee7a \u0111ai \u1ed1c tr\u01b0\u1edbc.<\/p>\n<h3>2. Bu l\u00f4ng xe k\u00e9o<\/h3>\n<p>Bu l\u00f4ng xe k\u00e9o c\u00f3 \u0111\u1ea7u h\u00ecnh m\u00e1i v\u00f2m, m\u1ecbn v\u00e0 ph\u1ea7n th\u00e2n vu\u00f4ng ngay d\u01b0\u1edbi \u0111\u00f3. Ph\u1ea7n vu\u00f4ng n\u00e0y b\u00e1m v\u00e0o g\u1ed7 ho\u1eb7c v\u1eadt li\u1ec7u m\u1ec1m khi b\u1ea1n si\u1ebft ch\u1eb7t \u0111ai \u1ed1c, ng\u0103n kh\u00f4ng cho bu l\u00f4ng quay trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t. B\u1ea1n ch\u1ec9 c\u1ea7n truy c\u1eadp b\u1eb1ng c\u1edd l\u00ea t\u1eeb m\u1ed9t ph\u00eda \u2014 \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng khi b\u1ea1n l\u1eafp \u0111\u1eb7t lan can s\u00e2n deck ho\u1eb7c c\u1ed9t h\u00e0ng r\u00e0o g\u1ed7 m\u00e0 kh\u00f4ng th\u1ec3 truy c\u1eadp t\u1eeb ph\u00eda sau.<\/p>\n<p>\u0110\u1ea7u tr\u00f2n c\u0169ng kh\u00f4ng c\u00f3 c\u1ea1nh s\u1eafc, \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng trong thi\u1ebft b\u1ecb ch\u01a1i playground, n\u1ed9i th\u1ea5t, v\u00e0 b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o ng\u01b0\u1eddi d\u00f9ng ti\u1ebfp x\u00fac v\u1edbi fastener.<\/p>\n<h3>3. Bu l\u00f4ng m\u1eb7t b\u00edch<\/h3>\n<p>M\u1ed9t lo\u1ea1i bu l\u00f4ng h\u00ecnh l\u1ee5c gi\u00e1c c\u00f3 m\u1eb7t b\u00edch t\u00edch h\u1ee3p nh\u01b0 \u0111\u0129a \u0111\u1ec7m d\u01b0\u1edbi \u0111\u1ea7u. M\u1eb7t b\u00edch ph\u00e2n ph\u1ed1i l\u1ef1c k\u1eb9p tr\u00ean di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn h\u01a1n, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft trong c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m (nh\u00f4m, nh\u1ef1a) n\u01a1i m\u00e0 \u0111\u1ea7u l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n s\u1ebd b\u1ecb l\u00fan v\u00e0 nghi\u1ec1n n\u00e1t b\u1ec1 m\u1eb7t. Bu l\u00f4ng m\u1eb7t b\u00edch c\u00f2n t\u1ef1 gi\u1eef trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p \u2014 m\u1eb7t b\u00edch gi\u1eef bu l\u00f4ng \u1edf v\u1ecb tr\u00ed trong khi b\u1ea1n c\u0103n ch\u1ec9nh c\u00e1c th\u00e0nh ph\u1ea7n, c\u1ea3 hai tay t\u1ef1 do \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n<p>C\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i bu l\u00f4ng m\u1eb7t b\u00edch: \u1ed1ng x\u1ea3, th\u00e0nh ph\u1ea7n treo, v\u00e0 gi\u00e1 \u0111\u1ee1 d\u01b0\u1edbi n\u1eafp \u0111\u1ed9ng c\u01a1 \u0111\u1ec1u h\u01b0\u1edfng l\u1ee3i t\u1eeb ph\u00e2n ph\u1ed1i t\u1ea3i t\u00edch h\u1ee3p n\u00e0y.<\/p>\n<h3>4. Bu l\u00f4ng m\u1eaft<\/h3>\n<p>\u0110\u1ea7u h\u00ecnh v\u00f2ng ho\u1eb7c h\u00ecnh v\u00f2ng \u0111\u1ec3 l\u00e0m \u0111i\u1ec3m g\u1eafn k\u1ebft. \u0110\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho t\u1ea3i tr\u1ecdng d\u1ecdc (tr\u1ee5c) khi l\u1eafp vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng t\u1ea3i; b\u1ecb gi\u1ea3m \u0111\u00e1ng k\u1ec3 \u2014 th\u01b0\u1eddng xu\u1ed1ng c\u00f2n 25% c\u1ee7a x\u1ebfp h\u1ea1ng d\u1ecdc \u2014 khi t\u1ea3i \u1edf g\u00f3c. Lu\u00f4n ki\u1ec3m tra bi\u1ec3u \u0111\u1ed3 t\u1ea3i g\u00f3c c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng bu l\u00f4ng m\u1eaft trong c\u00e1c c\u00f4ng vi\u1ec7c n\u00e2ng h\u1ea1 tr\u00ean cao.<\/p>\n<p>Bu l\u00f4ng m\u1eaft vai, c\u00f3 vai gia c\u00f4ng gi\u1eefa th\u00e2n v\u00e0 m\u1eaft, x\u1eed l\u00fd t\u1ea3i g\u00f3c t\u1ed1t h\u01a1n nhi\u1ec1u so v\u1edbi bu l\u00f4ng m\u1eaft ki\u1ec3u \u0111\u01a1n gi\u1ea3n v\u00e0 lu\u00f4n n\u00ean \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e2ng tr\u00ean cao.<\/p>\n<h3>5. Bu l\u00f4ng m\u00f3c v\u00e0 bu l\u00f4ng J<\/h3>\n<p>Thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00fac v\u00e0o b\u00ea t\u00f4ng ho\u1eb7c \u0111\u00f3ng v\u00e0o masonry. Bu l\u00f4ng J \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o b\u00ea t\u00f4ng \u01b0\u1edbt v\u1edbi v\u00f2ng J \u1edf ph\u00eda d\u01b0\u1edbi \u2014 khi b\u00ea t\u00f4ng c\u1ee9ng l\u1ea1i, v\u00f2ng t\u1ea1o ra kh\u00f3a c\u01a1 h\u1ecdc. Bu l\u00f4ng L ho\u1ea1t \u0111\u1ed9ng t\u01b0\u01a1ng t\u1ef1. Th\u00e2n ren n\u1ed5i tr\u00ean b\u1ec1 m\u1eb7t b\u00ea t\u00f4ng v\u00e0 nh\u1eadn \u0111ai \u1ed1c \u0111\u1ec3 c\u1ed1 \u0111\u1ecbnh c\u00e1c c\u1ed9t c\u1ea5u tr\u00fac, \u0111\u1ebf s\u00e0n ho\u1eb7c n\u1ec1n thi\u1ebft b\u1ecb.<\/p>\n<p>C\u00e1c lo\u1ea1i m\u00f3c c\u1ed1 \u0111\u1ecbnh sau khi \u0111\u00e3 l\u1eafp \u0111\u1eb7t (m\u00f3c wedge, m\u00f3c \u1ed1ng) l\u00e0 m\u1ed9t lo\u1ea1i li\u00ean quan \u2014 ch\u00fang \u0111\u01b0\u1ee3c \u0111\u00f3ng v\u00e0o b\u00ea t\u00f4ng \u0111\u00e3 c\u1ee9ng b\u1eb1ng c\u00e1ch m\u1edf r\u1ed9ng thay v\u00ec \u0111\u00fac c\u1ed1 \u0111\u1ecbnh. \u0110\u00e2y v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt l\u00e0 fastener d\u1ea1ng m\u00f3c thay v\u00ec bu l\u00f4ng, nh\u01b0ng ch\u00fang \u0111\u1ea3m nh\u1eadn vai tr\u00f2 ch\u1ee9c n\u0103ng t\u01b0\u01a1ng t\u1ef1 v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ea7u l\u1ee5c gi\u00e1c ki\u1ec3u bu l\u00f4ng.<\/p>\n<h3>6. Bu l\u00f4ng lag (\u1ed1c v\u00edt lag)<\/h3>\n<p>\u1ede \u0111\u00e2y t\u00ean g\u1ecdi tr\u1edf n\u00ean g\u00e2y nh\u1ea7m l\u1eabn: bu l\u00f4ng lag v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt l\u00e0 \u1ed1c v\u00edt. Ch\u00fang l\u00e0 c\u00e1c fastener \u0111\u01b0\u1eddng k\u00ednh l\u1edbn, ren th\u00f4, c\u00f3 \u0111\u1ea7u l\u1ee5c gi\u00e1c, b\u1eaft tr\u1ef1c ti\u1ebfp v\u00e0o g\u1ed7 m\u00e0 kh\u00f4ng c\u1ea7n \u0111ai \u1ed1c. T\u00ean g\u1ecdi \u201cbu l\u00f4ng\u201d l\u00e0 mang t\u00ednh l\u1ecbch s\u1eed. \u1ed0c v\u00edt lag ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i c\u1ea5u tr\u00fac g\u1ed7-g\u1ed7 ho\u1eb7c g\u1ed7-kh\u00e1c n\u01a1i kh\u00f4ng th\u1ec3 d\u00f9ng bu l\u00f4ng xuy\u00ean qua \u2014 c\u00e1c thanh s\u00e0n, k\u1ebft n\u1ed1i khung g\u1ed7, v\u00e0 l\u1eafp \u0111\u1eb7t ph\u1ea7n c\u1ee9ng n\u1eb7ng \u0111\u1ec1u c\u1ea7n d\u00f9ng lag.<\/p>\n<p>C\u00e1c l\u1ed7 khoan \u0111\u1ecbnh h\u01b0\u1edbng l\u00e0 b\u1eaft bu\u1ed9c cho \u1ed1c v\u00edt lag. Kh\u00f4ng khoan l\u1ed7 tr\u01b0\u1edbc khi b\u1eaft s\u1ebd l\u00e0m g\u00e3y g\u1ed7 v\u00e0 gi\u1ea3m kh\u1ea3 n\u0103ng gi\u1eef ch\u1eb7t so v\u1edbi l\u1eafp \u0111\u1eb7t khoan l\u1ed7 \u0111\u00fang c\u00e1ch.<\/p>\n<hr \/>\n<h2>C\u00e1c lo\u1ea1i \u1ed1c v\u00edt: M\u1ecdi danh m\u1ee5c b\u1ea1n s\u1ebd g\u1eb7p<\/h2>\n<p><strong>\u1ed0c v\u00edt chia th\u00e0nh \u1ed1c v\u00edt g\u1ed7, \u1ed1c v\u00edt m\u00e1y, \u1ed1c v\u00edt t\u1ef1 khoan, v\u00e0 c\u00e1c lo\u1ea1i \u0111\u1eb7c bi\u1ec7t \u2014 v\u1eadt li\u1ec7u n\u1ec1n quy\u1ebft \u0111\u1ecbnh lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p.<\/strong> S\u1eed d\u1ee5ng \u1ed1c v\u00edt g\u1ed7 trong kim lo\u1ea1i t\u1ea5m ho\u1eb7c \u1ed1c v\u00edt kim lo\u1ea1i t\u1ea5m trong th\u1ea1ch cao g\u00e2y ra v\u1ea5n \u0111\u1ec1 ngay l\u1eadp t\u1ee9c v\u1ec1 kh\u1ea3 n\u0103ng gi\u1eef ch\u1eb7t v\u00e0 l\u00e0m tr\u01b0\u1ee3t ren.<\/p>\n<h3>\u1ed0c v\u00edt g\u1ed7<\/h3>\n<p>Ph\u1ea7n ren n\u1eeda (ph\u1ea7n th\u00e2n g\u1ea7n \u0111\u1ea7u m\u1ecbn) \u0111\u1ec3 ph\u1ea7n kh\u00f4ng ren \u1edf ph\u1ea7n tr\u00ean c\u1ee7a t\u1ea5m v\u00e1n kh\u00f4ng ch\u1ed1ng l\u1ea1i vi\u1ec7c k\u00e9o ch\u1eb7t kh\u1edbp. Ren th\u00f4, m\u1ea1nh m\u1ebd, thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng r\u00fat cao trong g\u1ed7 m\u1ec1m v\u00e0 g\u1ed7 c\u1ee9ng. Th\u01b0\u1eddng c\u00f3 d\u1ea1ng tapered \u1edf \u0111\u1ea7u \u0111\u1ec3 t\u1ef1 b\u1eaft v\u00e0o l\u1ed7 khoan \u0111\u1ecbnh h\u01b0\u1edbng tr\u01b0\u1edbc.<\/p>\n<p>\u1ed0c v\u00edt g\u1ed7 hi\u1ec7n \u0111\u1ea1i \u2014 \u1ed1c v\u00edt s\u00e0n, \u1ed1c v\u00edt x\u00e2y d\u1ef1ng \u2014 th\u01b0\u1eddng c\u00f3 \u0111\u1ea7u m\u0169i khoan lo\u1ea1i 17 v\u00e0 ren r\u0103ng c\u01b0a lo\u1ea1i r\u0103ng c\u01b0a lo\u1ea1i 17 gi\u00fap lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n vi\u1ec7c khoan l\u1ed7 d\u1eabn trong g\u1ed7 k\u00edch th\u01b0\u1edbc. \u0110\u1ed1i v\u1edbi m\u1ed9c ho\u00e0n thi\u1ec7n, \u1ed1c v\u00edt \u0111\u1ea7u trang tr\u00ed gi\u1ea3m thi\u1ec3u ph\u1ea7n \u0111\u1ea7u v\u00edt hi\u1ec3n th\u1ecb g\u1ea7n nh\u01b0 v\u00f4 h\u00ecnh v\u1edbi \u00edt c\u1ea7n tr\u00e9t putty.<\/p>\n<h3>\u1ed0c v\u00edt m\u00e1y<\/h3>\n<p>D\u00e0i to\u00e0n b\u1ed9 v\u1edbi th\u00e2n \u0111\u1ed3ng \u0111\u1ec1u, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ren v\u00e0o l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan s\u1eb5n ho\u1eb7c \u0111ai \u1ed1c. C\u00f3 s\u1eb5n h\u00e0ng ch\u1ee5c ki\u1ec3u \u0111\u1ea7u (m\u1eb7t ph\u1eb3ng, ch\u1ea3o, tr\u00f2n, oval, truss, l\u1ee5c gi\u00e1c, \u0111\u1ea7u socket) v\u00e0 m\u1ecdi lo\u1ea1i ki\u1ec3u d\u1eabn \u0111\u1ed9ng. The <a href=\"https:\/\/en.wikipedia.org\/wiki\/Screw\" target=\"_blank\" rel=\"noopener\">h\u1ec7 m\u00e9t cho \u1ed1c v\u00edt m\u00e1y m\u00f3c<\/a> s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u M (M4, M6, M8) cho \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a; h\u1ec7 inch s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u s\u1ed1 cho \u1ed1c v\u00edt nh\u1ecf (#4, #6, #8, #10) v\u00e0 inch ph\u00e2n s\u1ed1 cho c\u00e1c lo\u1ea1i l\u1edbn h\u01a1n.<\/p>\n<p>\u1ed0c v\u00edt \u0111\u1ea7u socket x\u1ee9ng \u0111\u00e1ng \u0111\u01b0\u1ee3c nh\u1ea5n m\u1ea1nh \u0111\u1eb7c bi\u1ec7t: d\u1eabn \u0111\u1ed9ng l\u1ee5c gi\u00e1c (Allen) truy\u1ec1n t\u1ea3i m\u00f4-men xo\u1eafn cao h\u01a1n nhi\u1ec1u so v\u1edbi d\u1eabn \u0111\u1ed9ng Phillips ho\u1eb7c r\u00e3nh d\u1ecdc, v\u00e0 h\u00ecnh d\u1ea1ng \u0111\u1ea7u tr\u1ee5 tr\u00f2n ph\u00f9 h\u1ee3p trong c\u00e1c l\u1ed7 khoan s\u00e2u n\u01a1i \u0111\u1ea7u l\u1ee5c gi\u00e1c kh\u00f4ng v\u1eeba. \u0110\u00e2y l\u00e0 ti\u00eau chu\u1ea9n cho l\u1eafp r\u00e1p ch\u00ednh x\u00e1c c\u01a1 kh\u00ed.<\/p>\n<h3>V\u00edt t\u1ef1 khoan<\/h3>\n<p>T\u1ef1 t\u1ea1o ren khi \u0111\u01b0\u1ee3c v\u1eb7n, lo\u1ea1i b\u1ecf nhu c\u1ea7u khoan l\u1ed7 tr\u01b0\u1edbc. Hai lo\u1ea1i ph\u1ee5:<\/p>\n<ul>\n<li><strong>T\u1ea1o ren (t\u1ef1 t\u1ea1o ren):<\/strong> Di chuy\u1ec3n v\u1eadt li\u1ec7u thay v\u00ec c\u1eaft n\u00f3. Ho\u1ea1t \u0111\u1ed9ng trong nh\u1ef1a nhi\u1ec7t d\u1ebbo v\u00e0 kim lo\u1ea1i m\u1ec1m n\u01a1i c\u00f3 th\u1ec3 d\u00f2ng ch\u1ea3y v\u1eadt li\u1ec7u. T\u1ea1o ra ren m\u1ea1nh h\u01a1n so v\u1edbi ren c\u1eaft v\u00ec v\u1eadt li\u1ec7u b\u1ecb \u0111\u1ea9y ra c\u1ee9ng l\u1ea1i quanh h\u00ecnh d\u1ea1ng.<\/li>\n<li><strong>C\u1eaft ren (t\u1ef1 khoan):<\/strong> Lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u nh\u01b0 m\u1ed9t m\u0169i khoan. C\u1ea7n thi\u1ebft trong nh\u1ef1a c\u1ee9ng, gang \u0111\u00fac, v\u00e0 kim lo\u1ea1i c\u1ee9ng h\u01a1n n\u01a1i d\u00f2ng ch\u1ea3y kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n.<\/li>\n<\/ul>\n<p><strong>\u1ed0c v\u00edt t\u1ea5m kim lo\u1ea1i<\/strong> l\u00e0 lo\u1ea1i t\u1ef1 khoan c\u1eaft ren v\u1edbi \u0111\u1ea7u m\u0169i \u0111\u00e3 t\u00f4i luy\u1ec7n, thi\u1ebft k\u1ebf cho th\u00e9p m\u1ecfng, nh\u00f4m, v\u00e0 \u1ed1ng d\u1eabn HVAC. M\u0169i nh\u1ecdn s\u1eafc b\u00e9n xuy\u00ean qua kim lo\u1ea1i, v\u00e0 c\u00e1c ren \u0111\u00e3 t\u00f4i luy\u1ec7n c\u1eaft s\u1ef1 \u0103n kh\u1edbp s\u1ea1ch s\u1ebd.<\/p>\n<h3>\u1ed0c v\u00edt cho V\u00e1n th\u1ea1ch cao<\/h3>\n<p>\u0110\u1ea7u bugle (kh\u00f4ng l\u00e0m r\u00e1ch m\u1eb7t gi\u1ea5y khi khoan l\u1ed7), m\u1eabu ren cao-th\u1ea5p, v\u00e0 th\u00e2n \u0111\u00e3 t\u00f4i luy\u1ec7n, gi\u00f2n, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 g\u00e3y s\u1ea1ch n\u1ebfu v\u1eb7n qu\u00e1 m\u1ee9c. Phi\u00ean b\u1ea3n ren th\u00f4 d\u00e0nh cho khung g\u1ed7; ren m\u1ecbn d\u00e0nh cho khung kim lo\u1ea1i. \u1ed0c v\u00edt th\u1ea1ch cao kh\u00f4ng mang t\u00ednh c\u1ea5u tr\u00fac \u2014 ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu l\u1ef1c ho\u1eb7c r\u00fat ra ngo\u00e0i vi\u1ec7c treo c\u00e1c t\u1ea5m th\u1ea1ch cao. Thay th\u1ebf \u1ed1c v\u00edt th\u1ea1ch cao b\u1eb1ng \u1ed1c v\u00edt c\u1ea5u tr\u00fac g\u1ed7 ho\u1eb7c \u1ed1c v\u00edt lag l\u00e0 m\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u00f3 h\u1eadu qu\u1ea3 th\u1ef1c trong c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i.<\/p>\n<h3>\u1ed0c v\u00edt s\u00e0n v\u00e0 x\u00e2y d\u1ef1ng<\/h3>\n<p>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac ngo\u00e0i tr\u1eddi. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u1ee7 l\u1edbp ho\u00e0n thi\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi ACQ (ch\u1ea5t ch\u1ed1ng m\u1ee5c n\u00e1t) (nh\u1ef1a ho\u1eb7c m\u1ea1 k\u1ebdm n\u00f3ng ch\u1ea3y) v\u00ec c\u00e1c ch\u1ea5t b\u1ea3o qu\u1ea3n trong g\u1ed7 \u0111\u00e3 x\u1eed l\u00fd b\u1eb1ng ACQ s\u1ebd \u0103n m\u00f2n l\u1edbp m\u1ea1 k\u1ebdm kh\u00f4ng b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c. M\u1ed9t \u1ed1c v\u00edt s\u00e0n ch\u1ea5t l\u01b0\u1ee3ng \u2014 th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316 ho\u1eb7c ph\u1ee7 polymer \u2014 s\u1ebd t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n ch\u00ednh g\u1ed7.<\/p>\n<h3>\u1ed0c v\u00edt c\u1ed1 \u0111\u1ecbnh (\u1ed0c v\u00edt gi\u1eef ch\u1eb7t)<\/h3>\n<p>Kh\u00f4ng \u0111\u1ea7u, d\u00e0i to\u00e0n b\u1ed9, c\u00f3 \u1ed5 d\u1eabn \u0111\u1ed9ng \u1edf m\u1ed9t \u0111\u1ea7u. Si\u1ebft ch\u1eb7t cho \u0111\u1ebfn khi \u0111i\u1ec3m ch\u00e9n ho\u1eb7c \u0111i\u1ec3m n\u00f3n c\u1eafn v\u00e0o tr\u1ee5c \u0111\u1ec3 gi\u1eef v\u00f2ng \u0111\u1ec7m, b\u00e1nh r\u0103ng ho\u1eb7c trung t\u00e2m \u1edf v\u1ecb tr\u00ed. Th\u01b0\u1eddng d\u00f9ng trong c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, l\u1eafp r\u00e1p pulley, v\u00e0 v\u00f2ng \u0111\u1ec7m tr\u1ee5c. Thi\u1ebft k\u1ebf l\u1ed3i l\u00f5m n\u1eb1m ph\u1eb3ng v\u1edbi b\u1ec1 m\u1eb7t b\u1ed9 ph\u1eadn \u0111\u1ec3 kh\u00f4ng g\u00e2y c\u1ea3n tr\u1edf ho\u1eb7c nguy c\u01a1 m\u1eafc k\u1eb9t.<\/p>\n<hr \/>\n<h2>V\u1eadt li\u1ec7u, c\u1ea5p \u0111\u1ed9, v\u00e0 l\u1edbp ph\u1ee7 c\u1ee7a Bul\u00f4ng v\u00e0 \u1ed1c v\u00edt<\/h2>\n<p><strong>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 quy\u1ebft \u0111\u1ecbnh m\u1ed9t chi\u1ebfc \u1ed1c v\u00edt t\u1ed3n t\u1ea1i \u0111\u01b0\u1ee3c 5 n\u0103m hay 50 n\u0103m \u2014 sai l\u1ea7m n\u00e0y l\u00e0 sai l\u1ea7m \u0111\u1eaft nh\u1ea5t trong b\u1ea5t k\u1ef3 d\u1ef1 \u00e1n \u1ed1c v\u00edt n\u00e0o.<\/strong> M\u1ed9t chi\u1ebfc bul\u00f4ng m\u1ea1 k\u1ebdm trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n mu\u1ed1i s\u1ebd b\u1ecb \u0103n m\u00f2n trong ch\u01b0a \u0111\u1ea7y m\u1ed9t n\u0103m; th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316 trong c\u00f9ng \u1ee9ng d\u1ee5ng s\u1ebd t\u1ed3n t\u1ea1i l\u00e2u h\u01a1n c\u1ea5u tr\u00fac.<\/p>\n<h3>C\u1ea5p \u0111\u1ed9 \u0111\u1ed9 b\u1ec1n<\/h3>\n<p>\u0110\u1ed1i v\u1edbi bul\u00f4ng lo\u1ea1i inch, ti\u00eau chu\u1ea9n SAE l\u00e0:<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5p \u0111\u1ed9<\/th>\n<th>D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft<\/th>\n<th>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/th>\n<th>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>C\u1ea5p 2<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>60.000\u201374.000 psi<\/td>\n<td>D\u00f9ng nh\u1eb9, kh\u00f4ng c\u1ea5u tr\u00fac<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p 5<\/td>\n<td>3 \u0111\u01b0\u1eddng k\u00ednh t\u00e2m<\/td>\n<td>120.000 psi<\/td>\n<td>C\u01a1 kh\u00ed chung, \u00f4 t\u00f4<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea5p 8<\/td>\n<td>6 \u0111\u01b0\u1eddng k\u00ednh t\u00e2m<\/td>\n<td>150.000 psi<\/td>\n<td>C\u1ea5u tr\u00fac ch\u1ecbu l\u1ef1c cao, gi\u1ea3m x\u00f3c<\/td>\n<\/tr>\n<tr>\n<td>Lo\u1ea1i A325<\/td>\n<td>A325<\/td>\n<td>120.000 psi<\/td>\n<td>K\u1ebft n\u1ed1i th\u00e9p c\u1ea5u tr\u00fac<\/td>\n<\/tr>\n<tr>\n<td>Lo\u1ea1i A490<\/td>\n<td>A490<\/td>\n<td>150.000 psi<\/td>\n<td>Th\u00e9p c\u1ea5u tr\u00fac c\u01b0\u1eddng \u0111\u1ed9 cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bu l\u00f4ng m\u00e9t s\u1eed d\u1ee5ng k\u00fd hi\u1ec7u l\u1edbp t\u00ednh ch\u1ea5t (8.8, 10.9, 12.9). S\u1ed1 \u0111\u1ea7u nh\u00e2n 100 = \u0111\u1ed9 b\u1ec1n k\u00e9o t\u00ednh b\u1eb1ng MPa; hai s\u1ed1 nh\u00e2n 10 = \u0111\u1ed9 d\u1ebbo u\u1ed1n t\u00ednh b\u1eb1ng MPa. M\u1ed9t bu l\u00f4ng 10.9 c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o 1000 MPa v\u00e0 \u0111\u1ed9 d\u1ebbo u\u1ed1n 900 MPa \u2014 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng SAE Lo\u1ea1i 8.<\/p>\n<h3>T\u00f9y ch\u1ecdn v\u1eadt li\u1ec7u<\/h3>\n<p><strong>Th\u00e9p carbon th\u1ea5p<\/strong> l\u00e0 m\u1eb7c \u0111\u1ecbnh cho h\u1ea7u h\u1ebft c\u00e1c bu l\u00f4ng v\u00e0 v\u00edt \u2014 ti\u1ebft ki\u1ec7m chi ph\u00ed, gia c\u00f4ng d\u1ec5 d\u00e0ng, ph\u00f9 h\u1ee3p cho h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng trong nh\u00e0, m\u00f4i tr\u01b0\u1eddng kh\u00f4 r\u00e1o. \u0110i\u1ec3m tr\u1eeb: d\u1ec5 b\u1ecb \u0103n m\u00f2n n\u1ebfu kh\u00f4ng c\u00f3 l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7.<\/p>\n<p><strong>Th\u00e9p kh\u00f4ng g\u1ec9<\/strong> (18-8 \/ Lo\u1ea1i 304) ch\u1ed1ng \u0103n m\u00f2n trong h\u1ea7u h\u1ebft c\u00e1c m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc ng\u1ecdt v\u00e0 ho\u00e1 ch\u1ea5t nh\u1eb9. Lo\u1ea1i 316 b\u1ed5 sung molybdenum \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng chloride (mu\u1ed1i bi\u1ec3n) \u2014 ph\u00f9 h\u1ee3p cho thi\u1ebft b\u1ecb h\u00e0ng h\u1ea3i, x\u00e2y d\u1ef1ng ven bi\u1ec3n v\u00e0 thi\u1ebft b\u1ecb ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m.<\/p>\n<p><strong>H\u1ee3p kim \u0111\u1ed3ng Silicon<\/strong> l\u00e0 lo\u1ea1i \u1ed1c v\u00edt c\u1ee7a th\u1ee3 m\u1ed9c h\u00e0ng h\u1ea3i: ch\u1ed1ng \u0103n m\u00f2n trong n\u01b0\u1edbc mu\u1ed1i, t\u01b0\u01a1ng th\u00edch v\u1edbi g\u1ed7 \u0111\u00e3 x\u1eed l\u00fd, v\u00e0 \u0111\u1ee7 kh\u1ea3 n\u0103ng l\u00e0m vi\u1ec7c v\u00e0o g\u1ed7 c\u1ee9ng m\u00e0 kh\u00f4ng c\u1ea7n khoan tr\u01b0\u1edbc. \u0110\u1eaft h\u01a1n th\u00e9p kh\u00f4ng g\u1ec9, nh\u01b0ng ph\u00f9 h\u1ee3p \u0111\u1ec3 x\u00e2y d\u1ef1ng t\u00e0u g\u1ed7.<\/p>\n<p><strong>Titan<\/strong> xu\u1ea5t hi\u1ec7n trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u00e0 \u0111\u1ea1p xe hi\u1ec7u su\u1ea5t cao: t\u1ef7 l\u1ec7 s\u1ee9c m\u1ea1nh tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng c\u1ef1c cao, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, v\u00e0 nh\u1eb9 h\u01a1n th\u00e9p \u0111\u00e1ng k\u1ec3. Gi\u00e1 c\u1ea3 ph\u1ea3n \u00e1nh t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y.<\/p>\n<p><strong>\u0110\u1ed3ng thau<\/strong> kh\u00f4ng b\u1ecb \u0103n m\u00f2n, kh\u00f4ng g\u00e2y tia l\u1eeda, v\u00e0 d\u1eabn \u0111i\u1ec7n \u2014 d\u00f9ng trong c\u00e1c k\u1ebft n\u1ed1i \u0111i\u1ec7n, trang tr\u00ed h\u00e0ng h\u1ea3i, v\u00e0 b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o m\u00e0 nguy c\u01a1 tia l\u1eeda t\u1eeb th\u00e9p kh\u00f4ng g\u1ec9 quan tr\u1ecdng.<\/p>\n<h3>L\u1edbp ph\u1ee7 v\u00e0 ho\u00e0n thi\u1ec7n<\/h3>\n<ul>\n<li><strong>L\u1edbp m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n:<\/strong> B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n kinh t\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng trong nh\u00e0. \u0110\u01b0\u1ee3c x\u1ebfp h\u1ea1ng kho\u1ea3ng 100\u2013200 gi\u1edd phun mu\u1ed1i \u2014 kh\u00f4ng ph\u00f9 h\u1ee3p cho ngo\u00e0i tr\u1eddi.<\/li>\n<li><strong>L\u00e0m m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng:<\/strong> L\u1edbp ph\u1ee7 k\u1ebdm d\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng b\u1eb1ng c\u00e1ch nh\u00fang v\u00e0o k\u1ebdm n\u00f3ng ch\u1ea3y. Cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng x\u1ecbt mu\u1ed1i t\u1eeb 500\u20131000+ gi\u1edd. Ti\u00eau chu\u1ea9n cho c\u00e1c k\u1ebft n\u1ed1i c\u1ea5u tr\u00fac ngo\u00e0i tr\u1eddi, nh\u01b0ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi g\u1ed7 x\u1eed l\u00fd b\u1eb1ng h\u1ee3p ch\u1ea5t \u0111\u1ed3ng c\u1ee7a ACQ (s\u1eed d\u1ee5ng polymer ph\u1ee7 ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 thay th\u1ebf).<\/li>\n<li><strong>L\u00e0m m\u1ea1 k\u1ebdm c\u01a1 h\u1ecdc:<\/strong> L\u1edbp ph\u1ee7 k\u1ebdm quy tr\u00ecnh l\u1ea1nh; t\u01b0\u01a1ng t\u1ef1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n so v\u1edbi nh\u00fang n\u00f3ng nh\u01b0ng kh\u00f4ng g\u1eb7p r\u1ee7i ro gi\u00f2n do hydro g\u00e2y ra, \u0111i\u1ec1u n\u00e0y l\u00e0m cho nh\u00fang n\u00f3ng g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao (Lo\u1ea1i 8, A490).<\/li>\n<li><strong>Oxide \u0111en:<\/strong> Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1i thi\u1ec3u; ch\u1ee7 y\u1ebfu \u0111\u1ec3 v\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9 v\u00e0 gi\u1eef d\u1ea7u nh\u1eb9. Bu l\u00f4ng \u0111\u1ea7u ch\u1ee5p d\u1ee5ng c\u1ee5 th\u01b0\u1eddng l\u00e0 oxide \u0111en.<\/li>\n<li><strong>Dacromet \/ Geomet:<\/strong> L\u1edbp ph\u1ee7 \u0111a l\u1edbp ti\u00ean ti\u1ebfn g\u1ed3m k\u1ebdm v\u00e0 nh\u00f4m v\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi v\u00e0 kh\u00f4ng g\u00e2y gi\u00f2n do hydro. Ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong \u00f4 t\u00f4 v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ven bi\u1ec3n.<\/li>\n<\/ul>\n<hr \/>\n<h2>C\u00e1ch ch\u1ecdn bu l\u00f4ng ho\u1eb7c v\u00edt ph\u00f9 h\u1ee3p cho m\u1ecdi d\u1ef1 \u00e1n<\/h2>\n<p><strong>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u1ebfu t\u1ed1 c\u1ee7a b\u1ea1n theo th\u1ee9 t\u1ef1: n\u1ec1n, lo\u1ea1i t\u1ea3i, m\u00f4i tr\u01b0\u1eddng v\u00e0 nhu c\u1ea7u th\u00e1o l\u1eafp.<\/strong> Ch\u1ecdn \u0111\u00fang c\u1ea3 b\u1ed1n y\u1ebfu t\u1ed1 gi\u00fap lo\u1ea1i b\u1ecf 95% c\u00e1c l\u1ed7i c\u1ee7a fastener.<\/p>\n<p><img decoding=\"async\" alt=\"bu l\u00f4ng v\u00e0 v\u00edt \u2014 s\u01a1 \u0111\u1ed3 quy\u1ebft \u0111\u1ecbnh d\u1ea1ng lu\u1ed3ng th\u1ec3 hi\u1ec7n v\u1eadt li\u1ec7u n\u1ec1n t\u1ea3ng ph\u00e2n nh\u00e1nh th\u00e0nh c\u00e1c \u0111\u01b0\u1eddng ch\u1ecdn l\u1ef1a bu l\u00f4ng ho\u1eb7c v\u00edt v\u1edbi ch\u00fa th\u00edch v\u1ec1 m\u00f4i tr\u01b0\u1eddng v\u00e0 t\u1ea3i tr\u1ecdng\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/bolts-and-screws-howto.jpg\" \/><\/p>\n<h3>B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh n\u1ec1n c\u1ee7a b\u1ea1n<\/h3>\n<p>N\u1ec1n c\u1ee7a b\u1ea1n \u2014 n\u01a1i b\u1ea1n c\u1ed1 \u0111\u1ecbnh \u2014 quy\u1ebft \u0111\u1ecbnh lo\u1ea1i ren, thi\u1ebft k\u1ebf \u0111\u1ea7u m\u0169i, v\u00e0 th\u01b0\u1eddng c\u1ea3 ph\u1ea1m vi \u0111\u01b0\u1eddng k\u00ednh.<\/p>\n<ul>\n<li><strong>G\u1ed7 m\u1ec1m \/ g\u1ed7 c\u1ee9ng:<\/strong> V\u00edt g\u1ed7, v\u00edt lag ho\u1eb7c bu l\u00f4ng xe t\u1ea3i c\u00f3 l\u1ed7 d\u1eabn h\u01b0\u1edbng.<\/li>\n<li><strong>Kim lo\u1ea1i (t\u1ea5m, \u1ed1ng, t\u1ea5m kim lo\u1ea1i):<\/strong> V\u00edt m\u00e1y v\u00e0o c\u00e1c l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan ren, ho\u1eb7c v\u00edt t\u1ef1 khoan cho kim lo\u1ea1i t\u1ea5m. Bu l\u00f4ng c\u1ea5u tr\u00fac cho c\u00e1c k\u1ebft n\u1ed1i c\u1ea5u tr\u00fac n\u1eb7ng.<\/li>\n<li><strong>B\u00ea t\u00f4ng \/ g\u1ea1ch \u0111\u00e1:<\/strong> Bu l\u00f4ng m\u00f3c (\u0111\u00fac s\u1eb5n ho\u1eb7c m\u1edf r\u1ed9ng), v\u00edt b\u00ea t\u00f4ng (ki\u1ec3u Tapcon), ho\u1eb7c thanh ren epoxy c\u1ed1 \u0111\u1ecbnh.<\/li>\n<li><strong>Nh\u1ef1a:<\/strong> \u1ed0c v\u00edt t\u1ef1 \u0111\u00e2m t\u1ea1o ren (cho nh\u1ef1a nhi\u1ec7t d\u1ebbo) ho\u1eb7c \u1ed1c v\u00edt m\u00e1y v\u00e0o ch\u00e8n \u0111\u1ed3ng thau (cho c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea7n th\u00e1o l\u1eafp l\u1eb7p l\u1ea1i).<\/li>\n<li><strong>V\u1eadt li\u1ec7u th\u1ea1ch cao \/ nh\u1eb9:<\/strong> \u1ed0c v\u00edt th\u1ea1ch cao \u0111\u1ec3 \u0111\u00f3ng t\u1ea5m; m\u00f3c treo ho\u1eb7c ch\u1ed1t gi\u1eef \u0111\u1ec3 treo t\u1ea3i tr\u1ecdng.<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh T\u1ea3i tr\u1ecdng<\/h3>\n<p>Lo\u1ea1i t\u1ea3i tr\u1ecdng x\u00e1c \u0111\u1ecbnh xem b\u1ea1n c\u1ea7n m\u1ed9t bu l\u00f4ng (k\u1ebft n\u1ed1i k\u1eb9p ch\u1eb7t) hay m\u1ed9t \u1ed1c v\u00edt (tham gia ren), v\u00e0 b\u1ea1n c\u1ea7n lo\u1ea1i ho\u1eb7c k\u00edch c\u1ee1 n\u00e0o.<\/p>\n<ul>\n<li><strong>T\u1ea3i k\u00e9o (r\u00fat ra):<\/strong> \u0110\u1ed9 s\u00e2u tham gia ren quan tr\u1ecdng nh\u1ea5t. \u1ed0c v\u00edt d\u00e0i h\u01a1n v\u1edbi nhi\u1ec1u ren trong v\u1eadt li\u1ec7u, ho\u1eb7c bu l\u00f4ng c\u00f3 \u0111ai \u1ed1c ch\u1ed1ng l\u1ecfng cho m\u00f4i tr\u01b0\u1eddng rung l\u1eafc.<\/li>\n<li><strong>T\u1ea3i c\u1eaft:<\/strong> Bu l\u00f4ng xuy\u00ean qua ch\u1ecbu l\u1ef1c c\u1eaft v\u01b0\u1ee3t tr\u1ed9i h\u01a1n \u1ed1c v\u00edt \u2014 th\u00e2n bu l\u00f4ng (kh\u00f4ng ph\u1ea3i ren) ch\u1ecbu l\u1ef1c c\u1eaft trong c\u00e1c m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang c\u00e1ch.<\/li>\n<li><strong>Rung l\u1eafc:<\/strong> \u0110ai \u1ed1c kh\u00f3a nylon (Nylock), \u0111ai \u1ed1c gi\u1eef ch\u1eb7t m\u00f4-men xo\u1eafn, ho\u1eb7c h\u1ee3p ch\u1ea5t kh\u00f3a ren (Loctite 243 cho \u0111\u1ed9 b\u1ec1n trung b\u00ecnh) tr\u00ean c\u00e1c k\u1ebft n\u1ed1i bu l\u00f4ng.<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 3: Xem x\u00e9t M\u00f4i tr\u01b0\u1eddng<\/h3>\n<ul>\n<li>Trong nh\u00e0, kh\u00f4 r\u00e1o: M\u1ea1 k\u1ebdm ti\u00eau chu\u1ea9n l\u00e0 \u0111\u1ee7.<\/li>\n<li>Ngo\u00e0i tr\u1eddi, kh\u00f4ng g\u1ea7n bi\u1ec3n: M\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 304.<\/li>\n<li>G\u1ea7n bi\u1ec3n ho\u1eb7c m\u00f4i tr\u01b0\u1eddng bi\u1ec3n: Th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316 ho\u1eb7c \u0111\u1ed3ng silicon.<\/li>\n<li>G\u1ed7 x\u1eed l\u00fd ACQ: Th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316, ph\u1ee7 polymer, ho\u1eb7c m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (kh\u00f4ng m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n).<\/li>\n<li>M\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t ho\u1eb7c c\u00f4ng nghi\u1ec7p: Ki\u1ec3m tra b\u1ea3ng t\u01b0\u01a1ng th\u00edch h\u00f3a ch\u1ea5t \u2014 m\u1ed9t s\u1ed1 axit \u0103n m\u00f2n th\u00e9p kh\u00f4ng g\u1ec9, c\u1ea7n h\u1ee3p kim \u0111\u1eb7c bi\u1ec7t (Hastelloy, Monel).<\/li>\n<\/ul>\n<h3>B\u01b0\u1edbc 4: Quy\u1ebft \u0111\u1ecbnh th\u00e1o l\u1eafp<\/h3>\n<p>N\u1ebfu m\u1ed1i n\u1ed1i kh\u00f4ng bao gi\u1edd m\u1edf ra, \u1ed1c v\u00edt ho\u1eb7c bu l\u00f4ng c\u1ed1 \u0111\u1ecbnh b\u1eb1ng keo d\u00ednh v\u0129nh vi\u1ec5n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. N\u1ebfu b\u1ea1n th\u01b0\u1eddng xuy\u00ean b\u1ea3o tr\u00ec thi\u1ebft b\u1ecb, c\u00e1c k\u1ebft n\u1ed1i b\u1eb1ng bu l\u00f4ng v\u1edbi th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn ph\u00f9 h\u1ee3p v\u00e0 ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a ren c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng (\u0111\u1ec7m washer Nord-Lock, \u0111ai \u1ed1c gi\u1eef ch\u1eb7t m\u00f4-men xo\u1eafn) l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang. N\u1ebfu th\u00e1o l\u1eafp kh\u00f4ng th\u01b0\u1eddng xuy\u00ean nh\u01b0ng quan tr\u1ecdng (c\u1eeda s\u1ed5 ki\u1ec3m tra b\u00ecnh \u00e1p l\u1ef1c), ghi l\u1ea1i th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn v\u00e0 s\u1eed d\u1ee5ng c\u1edd l\u00ea \u0111o m\u00f4-men xo\u1eafn \u0111\u00e3 hi\u1ec7u chu\u1ea9n m\u1ed7i l\u1ea7n.<\/p>\n<h3>Tham kh\u1ea3o m\u00f4-men xo\u1eafn: \u0110\u1eebng \u0111o\u00e1n m\u00f2<\/h3>\n<p>C\u00e1c m\u1ed1i n\u1ed1i b\u1eaft ch\u1eb7t th\u01b0\u1eddng th\u1ea5t b\u1ea1i nh\u1ea5t do torque kh\u00f4ng ch\u00ednh x\u00e1c \u2014 ho\u1eb7c si\u1ebft qu\u00e1 ch\u1eb7t (t\u1ea3i k\u1eb9p kh\u00f4ng \u0111\u1ee7, m\u1ed1i n\u1ed1i l\u1ecfng l\u1ebbo) ho\u1eb7c si\u1ebft qu\u00e1 ch\u1eb7t (\u1ed1c v\u00edt b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c g\u00e3y). Theo <a href=\"https:\/\/www.engineeringtoolbox.com\/\" target=\"_blank\" rel=\"noopener\">d\u1eef li\u1ec7u tham kh\u1ea3o k\u1ef9 thu\u1eadt t\u1eeb C\u00f4ng c\u1ee5 K\u1ef9 thu\u1eadt<\/a>, torque si\u1ebft \u1ed1c ph\u00f9 h\u1ee3p kho\u1ea3ng:<\/p>\n<p><strong>T = K \u00d7 D \u00d7 F<\/strong><\/p>\n<p>Trong \u0111\u00f3 T = m\u00f4-men xo\u1eafn (lb-ft), K = h\u1ec7 s\u1ed1 \u0111ai \u1ed1c (~0.20 cho kh\u00f4, ~0.15 cho b\u00f4i tr\u01a1n), D = \u0111\u01b0\u1eddng k\u00ednh \u1ed1c (inch), F = t\u1ea3i k\u1eb9p mong mu\u1ed1n (lbs).<\/p>\n<p>Tham kh\u1ea3o: m\u1ed9t \u1ed1c Grade 5 \u00be-10, kh\u00f4, si\u1ebft kho\u1ea3ng 220 lb-ft t\u1ea1o ra l\u1ef1c k\u1eb9p kho\u1ea3ng 30.000 lbs. B\u00f4i tr\u01a1n ren v\u00e0 m\u1eb7t \u0111ai \u1ed1c gi\u1ea3m torque c\u1ea7n thi\u1ebft xu\u1ed1ng c\u00f2n kho\u1ea3ng 165 lb-ft cho c\u00f9ng l\u1ef1c k\u1eb9p. Lu\u00f4n ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c b\u1ea3ng torque c\u00f4ng b\u1ed1 cho c\u00e1c m\u1ed1i n\u1ed1i quan tr\u1ecdng.<\/p>\n<hr \/>\n<h2>\u1ee8ng d\u1ee5ng trong ng\u00e0nh: N\u01a1i c\u00e1c lo\u1ea1i \u1ed1c v\u00edt v\u00e0 bu l\u00f4ng \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh<\/h2>\n<p><strong>X\u00e2y d\u1ef1ng, s\u1ea3n xu\u1ea5t, \u00f4 t\u00f4 v\u00e0 ng\u00e0nh h\u00e0ng h\u1ea3i \u0111\u1ec1u c\u00f3 ti\u00eau chu\u1ea9n b\u1eaft v\u00edt ri\u00eang \u2014 s\u1eed d\u1ee5ng sai quy chu\u1ea9n trong \u1ee9ng d\u1ee5ng c\u00f3 quy \u0111\u1ecbnh l\u00e0 vi ph\u1ea1m quy \u0111\u1ecbnh, kh\u00f4ng ch\u1ec9 l\u00e0 r\u1ee7i ro v\u1ec1 hi\u1ec7u su\u1ea5t.<\/strong> D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch m\u1ed7i ng\u00e0nh ti\u1ebfp c\u1eadn v\u1edbi c\u00e1c lo\u1ea1i \u1ed1c v\u00edt v\u00e0 bu l\u00f4ng.<\/p>\n<h3>X\u00e2y d\u1ef1ng v\u00e0 Th\u00e9p c\u1ea5u tr\u00fac<\/h3>\n<p>C\u00e1c k\u1ebft n\u1ed1i bu l\u00f4ng c\u1ea5u tr\u00fac trong x\u00e2y d\u1ef1ng th\u00e9p \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh b\u1edfi ti\u00eau chu\u1ea9n c\u1ee7a AISC (Vi\u1ec7n Th\u00e9p M\u1ef9) v\u00e0 th\u01b0\u1eddng s\u1eed d\u1ee5ng bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao ASTM A325 ho\u1eb7c A490. C\u00e1c m\u1ed1i n\u1ed1i n\u00e0y l\u00e0 <strong>ch\u1eb7t v\u1eeba ph\u1ea3i<\/strong> (v\u1eb7n b\u1eb1ng c\u1edd-l\u00ea, \u0111\u1ee7 cho nhi\u1ec1u k\u1ebft n\u1ed1i) ho\u1eb7c <strong>t\u0103ng c\u01b0\u1eddng tr\u01b0\u1edbc<\/strong> (si\u1ebft torque theo m\u1ed9t ph\u1ea7n l\u1ef1c k\u1eb9p c\u1ee5 th\u1ec3 c\u1ee7a t\u1ea3i th\u1eed c\u1ee7a bu l\u00f4ng, c\u1ea7n thi\u1ebft cho c\u00e1c m\u1ed1i n\u1ed1i tr\u01b0\u1ee3t quan tr\u1ecdng v\u00e0 \u1ee9ng d\u1ee5ng ch\u1ed1ng \u0111\u1ed9ng \u0111\u1ea5t cao).<\/p>\n<p>X\u00e2y d\u1ef1ng khung sau v\u00e0 khung nh\u1eb9 b\u1eb1ng g\u1ed7 s\u1eed d\u1ee5ng v\u00edt lag ph\u1ee7 l\u1edbp v\u00e0 v\u00edt g\u1ed7 c\u1ea5u tr\u00fac r\u1ed9ng r\u00e3i \u2014 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t nh\u01b0 Simpson Strong-Tie v\u00e0 c\u00e1c h\u00e3ng t\u01b0\u01a1ng t\u1ef1 c\u00f4ng b\u1ed1 b\u1ea3ng t\u1ea3i tr\u1ecdng cho c\u00e1c lo\u1ea1i v\u00edt v\u00e0 lo\u1ea1i g\u1ed7 ph\u00f9 h\u1ee3p theo quy chu\u1ea9n thi\u1ebft k\u1ebf b\u1eaft bu\u1ed9c.<\/p>\n<h3>S\u1ea3n xu\u1ea5t \u00f4 t\u00f4<\/h3>\n<p>C\u00e1c lo\u1ea1i b\u1eaft v\u00edt \u00f4 t\u00f4 c\u00f3 ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt ri\u00eang (SAE J429, ISO 898) v\u00e0 th\u01b0\u1eddng quy \u0111\u1ecbnh theo ph\u01b0\u01a1ng ph\u00e1p torque \u0111\u1ebfn gi\u1edbi h\u1ea1n (TTY) ho\u1eb7c torque g\u00f3c \u0111\u1ec3 k\u00e9o d\u00e0i bu l\u00f4ng v\u00e0o ph\u1ea1m vi d\u1ebbo c\u1ee7a n\u00f3 nh\u1eb1m t\u1ed1i \u0111a h\u00f3a l\u1ef1c k\u1eb9p. Nh\u1eefng bu l\u00f4ng n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng sau khi th\u00e1o ra \u2014 ch\u00fang \u0111\u00e3 b\u1ecb bi\u1ebfn d\u1ea1ng. Bu l\u00f4ng \u0111\u1ea7u xi-lanh, n\u1eafp tr\u1ee5c ch\u00ednh v\u00e0 bu l\u00f4ng tr\u1ee5c k\u1ebft n\u1ed1i trong \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i g\u1ea7n nh\u01b0 lu\u00f4n l\u00e0 TTY.<\/p>\n<p>B\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n trong \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 \u0111i\u1ec7n ph\u00e2n, Dacromet v\u00e0 Geomet \u2014 c\u00e1c h\u1ec7 th\u1ed1ng cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng phun mu\u1ed1i t\u1eeb 500-1000+ gi\u1edd m\u00e0 kh\u00f4ng g\u1eb7p r\u1ee7i ro gi\u00f2n hydrogen c\u1ee7a m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng, \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng c\u00e1c lo\u1ea1i bu l\u00f4ng c\u01b0\u1eddng \u0111\u1ed9 cao.<\/p>\n<h3>H\u00e0ng h\u1ea3i v\u00e0 ngo\u00e0i kh\u01a1i<\/h3>\n<p>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt b\u1eaft v\u00edt trong ng\u00e0nh h\u00e0ng h\u1ea3i \u01b0u ti\u00ean kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch galvanic. Pha tr\u1ed9n kim lo\u1ea1i d\u01b0\u1edbi n\u01b0\u1edbc th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh \u0103n m\u00f2n \u2014 m\u1ed9t bu l\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9 qua t\u1ea5m nh\u00f4m s\u1ebd ph\u00e1 h\u1ee7y nh\u00f4m trong v\u00f2ng v\u00e0i th\u00e1ng trong n\u01b0\u1edbc mu\u1ed1i. C\u00e1c k\u1ef9 s\u01b0 s\u1eed d\u1ee5ng \u0111\u1ec7m c\u00e1ch ly v\u00e0 gio\u0103ng ho\u1eb7c ch\u1ecdn v\u1eadt li\u1ec7u b\u1eaft v\u00edt c\u00f9ng nh\u00f3m trong chu\u1ed7i galvanic v\u1edbi c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.<\/p>\n<p>Kim lo\u1ea1i \u0111\u1ed3ng silicon l\u00e0 v\u1eadt li\u1ec7u truy\u1ec1n th\u1ed1ng \u0111\u1ec3 b\u1eaft v\u00edt trong ng\u00e0nh h\u00e0ng h\u1ea3i; th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316 \u0111\u00e3 ph\u1ea7n l\u1edbn thay th\u1ebf trong c\u00e1c c\u00f4ng tr\u00ecnh m\u1edbi cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac. Tham kh\u1ea3o ch\u00ednh cho vi\u1ec7c ch\u1ecdn v\u1eadt li\u1ec7u trong m\u00f4i tr\u01b0\u1eddng h\u00e0ng h\u1ea3i l\u00e0 <a href=\"https:\/\/abycinc.org\/\" target=\"_blank\" rel=\"noopener\">ti\u00eau chu\u1ea9n c\u1ee7a ABYC (H\u1ed9i \u0111\u1ed3ng Thuy\u1ec1n v\u00e0 Du thuy\u1ec1n M\u1ef9)<\/a>, quy \u0111\u1ecbnh v\u1eadt li\u1ec7u b\u1eaft v\u00edt, y\u00eau c\u1ea7u c\u00e1ch ly galvanic v\u00e0 \u0111\u1ed9 s\u00e2u ren t\u1ed1i thi\u1ec3u cho c\u00e1c v\u1eadt li\u1ec7u th\u00e2n t\u00e0u kh\u00e1c nhau.<\/p>\n<h3>\u0110i\u1ec7n t\u1eed v\u00e0 L\u1eafp r\u00e1p Ch\u00ednh x\u00e1c<\/h3>\n<p>\u1ed0c v\u00edt m\u00e1y nh\u1ecf (M2, M3, #4-40, #6-32) l\u00e0m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c th\u00e9p oxit \u0111en l\u00e0 \u0111\u01a1n v\u1ecb ti\u1ec1n t\u1ec7 c\u1ee7a l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed. Y\u00eau c\u1ea7u \u1edf \u0111\u00e2y l\u00e0 s\u1ef1 \u0103n kh\u1edbp ren tr\u00ean c\u00e1c \u0111o\u1ea1n ren nh\u1ecf \u2014 M3 v\u00e0o 3 mm nh\u00f4m c\u1ea7n ph\u00f9 h\u1ee3p lo\u1ea1i 2B v\u00e0 \u0111i\u1ec1u ki\u1ec7n ren \u0111\u1ea7y \u0111\u1ee7. Vi\u1ec7c si\u1ebft qu\u00e1 ch\u1eb7t \u1ed1c v\u00edt nh\u1ecf l\u00e0 l\u1ed7i l\u1eafp r\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t; d\u1ee5ng c\u1ee5 si\u1ebft l\u1ef1c c\u00f3 l\u00f2 xo \u0111\u1eb7t ch\u00ednh x\u00e1c (0.10\u20130.50 N\u00b7m) l\u00e0 thi\u1ebft b\u1ecb ti\u00eau chu\u1ea9n trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed.<\/p>\n<hr \/>\n<h2>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai c\u1ee7a bu l\u00f4ng v\u00e0 v\u00edt (2026 tr\u1edf \u0111i)<\/h2>\n<p><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p ph\u1ee5 ki\u1ec7n \u0111ang chuy\u1ec3n h\u01b0\u1edbng sang c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao h\u01a1n, l\u1edbp ph\u1ee7 th\u00f4ng minh h\u01a1n v\u00e0 x\u00e1c minh k\u1ef9 thu\u1eadt s\u1ed1 vi\u1ec7c l\u1eafp \u0111\u1eb7t bu l\u00f4ng \u2014 nh\u1eefng thay \u0111\u1ed5i \u0111\u00e3 b\u1eaft \u0111\u1ea7u th\u1ec3 hi\u1ec7n trong c\u00e1c ti\u00eau chu\u1ea9n cho c\u00e1c d\u1ef1 \u00e1n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 h\u1ea1 t\u1ea7ng.<\/strong><\/p>\n<h3>Ph\u1ee5 ki\u1ec7n c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1ef1c cao<\/h3>\n<p>Bu l\u00f4ng theo ti\u00eau chu\u1ea9n m\u00e9t 12.9 v\u00e0 c\u00e1c lo\u1ea1i cao h\u01a1n trong h\u1ec7 inch \u0111ang xu\u1ea5t hi\u1ec7n trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. M\u1ed9t bu l\u00f4ng si\u00eau b\u1ec1n \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n c\u00f3 th\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ee5 ki\u1ec7n Lo\u1ea1i 5 l\u1edbn h\u01a1n trong m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf, gi\u00fap ti\u1ebft ki\u1ec7m tr\u1ecdng l\u01b0\u1ee3ng v\u1edbi chi ph\u00ed v\u1eadt li\u1ec7u cao h\u01a1n. Ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 ti\u1ebfp t\u1ee5c \u0111\u1ea9y gi\u1edbi h\u1ea1n n\u00e0y \u2014 c\u00e1c ph\u1ee5 ki\u1ec7n titan m\u00e0 n\u0103m 2010 c\u00f2n xa l\u1ea1 nay \u0111\u00e3 tr\u1edf th\u00e0nh b\u00ecnh th\u01b0\u1eddng trong c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a bu\u1ed3ng m\u00e1y bay th\u01b0\u01a1ng m\u1ea1i.<\/p>\n<h3>Ph\u1ee5 ki\u1ec7n th\u00f4ng minh v\u00e0 gi\u00e1m s\u00e1t l\u1ef1c si\u1ebft<\/h3>\n<p>C\u1ea3m bi\u1ebfn t\u00edch h\u1ee3p trong \u0111\u1ea7u bu l\u00f4ng (t\u1ea5m \u0111\u1ec7m piezoelectric, bu l\u00f4ng \u0111o strain-gauge) cho ph\u00e9p gi\u00e1m s\u00e1t l\u1ef1c si\u1ebft c\u1ee7a bu l\u00f4ng theo th\u1eddi gian th\u1ef1c trong c\u00e1c c\u00f4ng tr\u00ecnh quan tr\u1ecdng. C\u00e1c khu v\u1ef1c hi\u1ec7n \u0111ang tri\u1ec3n khai l\u00e0 bu l\u00f4ng c\u1ed9t turbine gi\u00f3, kh\u1edbp m\u1edf r\u1ed9ng c\u1ea7u v\u00e0 c\u00e1c \u1ed1ng riser c\u1ee7a n\u1ec1n m\u00f3ng d\u1ea7u kh\u00ed. C\u00e1c b\u00e1o c\u00e1o ng\u00e0nh t\u1eeb c\u00e1c t\u1ed5 ch\u1ee9c th\u01b0\u01a1ng m\u1ea1i ph\u1ee5 ki\u1ec7n d\u1ef1 b\u00e1o r\u1eb1ng ph\u00e2n kh\u00fac ph\u1ee5 ki\u1ec7n th\u00f4ng minh s\u1ebd t\u0103ng tr\u01b0\u1edfng h\u01a1n 8% m\u1ed7i n\u0103m \u0111\u1ebfn n\u0103m 2030 khi vi\u1ec7c gi\u00e1m s\u00e1t h\u1ea1 t\u1ea7ng tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n trong c\u00e1c khu v\u1ef1c \u0111\u1ed9ng \u0111\u1ea5t v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i kh\u01a1i.<\/p>\n<h3>L\u1edbp ph\u1ee7 b\u1ec1n v\u1eefng v\u00e0 \u00edt VOC<\/h3>\n<p>L\u1edbp ph\u1ee7 cr\u00f4m s\u00e1u (Cr6+) \u2014 t\u1eebng l\u00e0 ti\u00eau chu\u1ea9n cho ph\u1ee5 ki\u1ec7n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u2014 \u0111ang d\u1ea7n b\u1ecb lo\u1ea1i b\u1ecf theo quy \u0111\u1ecbnh REACH \u1edf ch\u00e2u \u00c2u v\u00e0 ng\u00e0y c\u00e0ng b\u1ecb h\u1ea1n ch\u1ebf \u1edf B\u1eafc M\u1ef9. Thay th\u1ebf b\u1eb1ng cr\u00f4m tam h\u1ee3p v\u00e0 c\u00e1c polymer h\u1eefu c\u01a1. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng k\u1ebft c\u1ea5u ngo\u00e0i tr\u1eddi, c\u00e1c l\u1edbp ph\u1ee7 m\u1edbi t\u1eeb k\u1ebdm phun (nh\u01b0 Delta-Tone, Delta-Seal c\u1ee7a c\u00e1c c\u00f4ng ty nh\u01b0 Doerken) cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i v\u1edbi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c quy tr\u00ecnh m\u1ea1 n\u00f3ng c\u0169.<\/p>\n<h3>S\u1ea3n xu\u1ea5t ph\u1ee5 ki\u1ec7n t\u00f9y ch\u1ec9nh b\u1eb1ng c\u00f4ng ngh\u1ec7 c\u1ed9ng th\u00eam<\/h3>\n<p>C\u00e1c ph\u1ee5 ki\u1ec7n titan v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 in 3D ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t s\u1ed1 l\u01b0\u1ee3ng th\u1ea5p \u2014 h\u00ecnh d\u1ea1ng ren t\u00f9y ch\u1ec9nh, t\u00ednh n\u0103ng t\u00edch h\u1ee3p, h\u00ecnh d\u1ea1ng \u0111\u1ea7u kh\u00f4ng ti\u00eau chu\u1ea9n. H\u1ea1n ch\u1ebf v\u1eabn l\u00e0 chi ph\u00ed v\u00e0 th\u1eddi gian ch\u1ebf t\u1ea1o so v\u1edbi gia c\u00f4ng truy\u1ec1n th\u1ed1ng \u1edf b\u1ea5t k\u1ef3 kh\u1ed1i l\u01b0\u1ee3ng n\u00e0o. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1eabu th\u1eed nghi\u1ec7m v\u00e0 ph\u1ea7n c\u1ee9ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u0111\u1eb7c th\u00f9, n\u01a1i chi ph\u00ed NRE l\u00e0 bi\u1ebfn s\u1ed1, c\u00e1c ph\u1ee5 ki\u1ec7n s\u1ea3n xu\u1ea5t b\u1eb1ng c\u00f4ng ngh\u1ec7 c\u1ed9ng th\u00eam ng\u00e0y c\u00e0ng c\u1ea1nh tranh.<\/p>\n<hr \/>\n<h2>C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 bu l\u00f4ng v\u00e0 v\u00edt<\/h2>\n<p><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa bu l\u00f4ng v\u00e0 v\u00edt l\u00e0 g\u00ec?<\/strong><br \/>\nBu l\u00f4ng k\u1eb9p ch\u1eb7t qua c\u00e1c l\u1ed7 h\u1edf c\u00f3 clearance v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng \u0111ai \u1ed1c; v\u00edt ren tr\u1ef1c ti\u1ebfp v\u00e0o v\u1eadt li\u1ec7u ho\u1eb7c l\u1ed7 \u0111\u00e3 c\u00f3 ren. Ph\u00e2n bi\u1ec7t c\u01a1 h\u1ecdc ch\u00ednh l\u00e0 n\u01a1i t\u1ea1o ra l\u1ef1c gi\u1eef \u2014 bu l\u00f4ng d\u1ef1a v\u00e0o l\u1ef1c k\u1eb9p gi\u1eefa \u0111\u1ea7u v\u00e0 \u0111ai \u1ed1c, trong khi v\u00edt d\u1ef1a v\u00e0o s\u1ef1 \u0103n kh\u1edbp ren trong v\u1eadt n\u1ec1n. C\u1ea3 hai \u0111\u1ec1u l\u00e0 ph\u1ee5 ki\u1ec7n c\u00f3 ren, nh\u01b0ng ho\u1ea1t \u0111\u1ed9ng theo c\u00e1c c\u01a1 ch\u1ebf kh\u00e1c nhau.<\/p>\n<p><strong>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa v\u00edt v\u00e0 bu l\u00f4ng l\u00e0 g\u00ec?<\/strong><br \/>\nV\u00edt c\u00f3 ngh\u0129a l\u00e0 d\u00f9ng \u0111\u1ec3 b\u1eaft ch\u1eb7t m\u1ed9t ph\u1ee5 ki\u1ec7n t\u1ea1o ra l\u1ef1c gi\u1eef th\u00f4ng qua s\u1ef1 \u0103n kh\u1edbp ren v\u1edbi v\u1eadt n\u1ec1n \u2014 kh\u00f4ng c\u1ea7n \u0111ai \u1ed1c. Bu l\u00f4ng ngh\u0129a l\u00e0 l\u1eafp r\u00e1p m\u1ed9t kh\u1edbp n\u1ed1i qua c\u00e1c l\u1ed7 h\u1edf c\u00f3 clearance v\u00e0 \u0111ai \u1ed1c cung c\u1ea5p l\u1ef1c k\u1eb9p t\u1eeb ph\u00eda sau. V\u00edt th\u01b0\u1eddng nhanh h\u01a1n v\u00e0 ch\u1ec9 c\u1ea7n ti\u1ebfp c\u1eadn t\u1eeb m\u1ed9t ph\u00eda; bu l\u00f4ng cung c\u1ea5p l\u1ef1c k\u1eb9p cao h\u01a1n, \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean cho c\u00e1c kh\u1edbp n\u1ed1i c\u1ea5u tr\u00fac c\u1ea7n l\u1ef1c n\u00e9n \u0111\u00e3 \u0111\u1ecbnh.<\/p>\n<p><strong>T\u00f4i c\u00f3 th\u1ec3 d\u00f9ng bu l\u00f4ng thay cho v\u00edt khi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u kh\u00f4ng?<\/strong><br \/>\n\u0110\u00f4i khi, n\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 cung c\u1ea5p access \u0111ai \u1ed1c ph\u00eda sau v\u00e0 l\u1ed7 h\u1edf kh\u00f4ng l\u00e0m y\u1ebfu ph\u1ea7n. C\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac th\u01b0\u1eddng y\u00eau c\u1ea7u r\u00f5 r\u00e0ng m\u1ed9t trong hai \u2014 vi\u1ec7c thay th\u1ebf m\u00e0 kh\u00f4ng c\u00f3 xem x\u00e9t k\u1ef9 thu\u1eadt l\u00e0 kh\u00f4ng khuy\u1ebfn kh\u00edch. Trong c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m nh\u01b0 g\u1ed7, bu l\u00f4ng xuy\u00ean qua k\u00e8m \u0111\u1ec7m tr\u00ean c\u1ea3 hai ph\u00eda th\u1ef1c s\u1ef1 ph\u00e2n ph\u1ed1i l\u1ef1c t\u1ed1t h\u01a1n v\u00edt v\u00e0 th\u01b0\u1eddng l\u00e0 s\u1ef1 n\u00e2ng c\u1ea5p ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i ch\u1ecbu t\u1ea3i n\u1eb7ng.<\/p>\n<p><strong>T\u00f4i n\u00ean d\u00f9ng lo\u1ea1i bu l\u00f4ng n\u00e0o cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac?<\/strong><br \/>\n\u0110\u1ed1i v\u1edbi c\u00f4ng tr\u00ecnh th\u00e9p c\u1ea5u tr\u00fac, ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u l\u00e0 ASTM A325 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi SAE Lo\u1ea1i 5 v\u1ec1 \u0111\u1ed9 b\u1ec1n k\u00e9o). \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i t\u1ea3i tr\u1ecdng cao ho\u1eb7c c\u00e1c kh\u1edbp tr\u01b0\u1edbc l\u1ef1c, c\u1ea7n d\u00f9ng ASTM A490 ho\u1eb7c SAE Lo\u1ea1i 8. Kh\u00f4ng bao gi\u1edd d\u00f9ng bu l\u00f4ng c\u1ee7a c\u1eeda h\u00e0ng v\u1eadt t\u01b0 lo\u1ea1i 2 cho c\u00e1c m\u1ee5c \u0111\u00edch c\u1ea5u tr\u00fac \u2014 ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng chung, kh\u00f4ng quan tr\u1ecdng. Lu\u00f4n ki\u1ec3m tra k\u00fd hi\u1ec7u lo\u1ea1i tr\u00ean \u0111\u1ea7u bu l\u00f4ng tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t.<\/p>\n<p><strong>T\u00f4i n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i v\u00edt n\u00e0o v\u1edbi g\u1ed7 x\u1eed l\u00fd \u00e1p l\u1ef1c?<\/strong><br \/>\nG\u1ed7 x\u1eed l\u00fd ACQ v\u00e0 CA-B (ti\u00eau chu\u1ea9n ch\u1ea5t b\u1ea3o qu\u1ea3n hi\u1ec7n t\u1ea1i) ch\u1ee9a h\u1ee3p ch\u1ea5t \u0111\u1ed3ng l\u00e0m \u0103n m\u00f2n v\u00edt m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n v\u00e0 m\u1ed9t s\u1ed1 v\u00edt m\u1ea1 h\u1ee3p kim nh\u00f4m n\u00f3ng ch\u1ea3y nhanh h\u01a1n nhi\u1ec1u so v\u1edbi g\u1ed7 ch\u01b0a x\u1eed l\u00fd. Ch\u1ec9 \u0111\u1ecbnh v\u00edt m\u1ea1 h\u1ee3p kim nh\u00f4m n\u00f3ng ch\u1ea3y (ASTM A153), th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i 316, ho\u1eb7c v\u00edt ph\u1ee7 polymer (v\u00ed d\u1ee5, Grip-Rite Prime Guard MAX ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng). Kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng v\u00edt s\u00e0n m\u1ea1 k\u1ebdm s\u00e1ng b\u00f3ng v\u1edbi g\u1ed7 x\u1eed l\u00fd hi\u1ec7n \u0111\u1ea1i \u2014 ch\u00fang s\u1ebd r\u1ec9 s\u00e9t qua trong 2\u20133 m\u00f9a.<\/p>\n<p><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ng\u0103n ch\u1eb7n bu l\u00f4ng l\u1ecfng d\u01b0\u1edbi rung \u0111\u1ed9ng?<\/strong><br \/>\nB\u1ed1n ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh: (1) \u0111ai \u1ed1c kh\u00f3a nylon (Nylock) \u2014 v\u00f2ng nylon b\u00e1m v\u00e0o ren v\u00e0 ch\u1ed1ng quay; (2) \u0111ai \u1ed1c gi\u1eef m\u00f4-men xo\u1eafn v\u1edbi v\u00f9ng ren bi\u1ebfn d\u1ea1ng; (3) keo d\u00e1n kh\u00f3a ren (Loctite 243 cho \u0111\u1ed9 b\u1ec1n trung b\u00ecnh, 271 cho v\u0129nh vi\u1ec5n); (4) \u0111\u1ec7m c\u1eaft wedge Nord-Lock d\u1ef1a v\u00e0o l\u1ef1c c\u0103ng c\u1ee7a bu l\u00f4ng thay v\u00ec ma s\u00e1t v\u00e0 l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u01a1 kh\u00ed ch\u1ed1ng rung \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 nh\u1ea5t. \u0110ai \u1ed1c \u0111\u00f4i (\u0111ai \u1ed1c ch\u1eb7n + \u0111ai \u1ed1c \u0111\u1ea7y \u0111\u1ee7) l\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ed5 \u0111i\u1ec3n ho\u1ea1t \u0111\u1ed9ng t\u1ed1t n\u1ebfu si\u1ebft \u0111\u00fang l\u1ef1c nh\u01b0ng s\u1ebd t\u0103ng tr\u1ecdng l\u01b0\u1ee3ng.<\/p>\n<p><strong>Lo\u1ea1i v\u00edt n\u00e0o l\u00e0 m\u1ea1nh nh\u1ea5t cho k\u1ebft n\u1ed1i g\u1ed7 v\u1edbi g\u1ed7?<\/strong><br \/>\nV\u00edt g\u1ed7 c\u1ea5u tr\u00fac v\u1edbi th\u00e9p t\u00f4i luy\u1ec7n v\u00e0 h\u00ecnh d\u1ea1ng ren s\u00e2u \u2014 c\u00e1c th\u01b0\u01a1ng hi\u1ec7u nh\u01b0 LedgerLOK, GRK RSS, ho\u1eb7c Simpson SDS \u2014 \u0111\u00e3 c\u00f4ng b\u1ed1 c\u00e1c gi\u00e1 tr\u1ecb thi\u1ebft k\u1ebf (ch\u1ecbu l\u1ef1c c\u1eaft v\u00e0 r\u00fat) v\u01b0\u1ee3t xa v\u00edt s\u00e0n th\u01b0\u01a1ng ph\u1ea9m. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ebft n\u1ed1i g\u1ed7 quan tr\u1ecdng (b\u1ea3ng g\u1ed7 ph\u1ee5 \u0111\u1ebfn x\u00e0 r\u1ea7m, m\u00f3ng c\u1ed9t, x\u00e0 ngang n\u1ed1i x\u00e0 ngang), ch\u1ec9 \u0111\u1ecbnh v\u00edt xu\u1ea5t hi\u1ec7n trong c\u00e1c b\u00e1o c\u00e1o ICC-ES c\u00f3 b\u1ea3ng t\u1ea3i tr\u1ecdng \u0111\u00e3 c\u00f4ng b\u1ed1, kh\u00f4ng ph\u1ea3i v\u00edt s\u00e0n c\u1ee7a c\u1eeda h\u00e0ng v\u1eadt t\u01b0 chung.<\/p>\n<p><img decoding=\"async\" alt=\"bu l\u00f4ng v\u00e0 v\u00edt \u2014 h\u00ecnh \u1ea3nh k\u1ebft th\u00fac th\u1ec3 hi\u1ec7n m\u1ed9t x\u01b0\u1edfng l\u00e0m vi\u1ec7c s\u1ea1ch s\u1ebd, g\u1ecdn g\u00e0ng v\u1edbi c\u00e1c h\u1ed9p \u0111\u1ef1ng ph\u1ee5 ki\u1ec7n c\u00f3 nh\u00e3n, th\u1ec3 hi\u1ec7n \u0111a d\u1ea1ng c\u00e1c lo\u1ea1i bu l\u00f4ng v\u00e0 v\u00edt ph\u00f9 h\u1ee3p cho chuy\u00ean nghi\u1ec7p v\u00e0 t\u1ef1 l\u00e0m\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/bolts-and-screws-closing.jpg\" \/><\/p>\n<hr \/>\n<h2>T\u00f3m t\u1eaft nhanh v\u1ec1 ch\u1ecdn bu l\u00f4ng v\u00e0 v\u00edt<\/h2>\n<p>Ph\u1ea7n t\u1eed b\u1eaft v\u00edt ph\u00f9 h\u1ee3p b\u1eaft \u0111\u1ea7u b\u1eb1ng ba c\u00e2u h\u1ecfi: T\u00f4i \u0111ang b\u1eaft v\u00e0o g\u00ec? T\u1ea3i tr\u1ecdng c\u1ee7a m\u1ed1i n\u1ed1i s\u1ebd ch\u1ecbu l\u00e0 g\u00ec? M\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a n\u00f3 l\u00e0 g\u00ec? B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y li\u00ean k\u1ebft c\u00e1c c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00f3 v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf.<\/p>\n<table>\n<thead>\n<tr>\n<th>Scenario<\/th>\n<th>Lo\u1ea1i \u1ed1c v\u00edt<\/th>\n<th>Ch\u1ea5t li\u1ec7u\/Lo\u1ea1i<\/th>\n<th>L\u1edbp ph\u1ee7<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>G\u1ed7 s\u00e0n \u0111\u1ebfn b\u1ea3ng g\u1ed7 ph\u1ee5<\/td>\n<td>V\u00edt b\u1eaft ch\u1eb7t ho\u1eb7c v\u00edt c\u1ea5u tr\u00fac LedgerLOK<\/td>\n<td>Th\u00e9p carbon th\u1ea5p<\/td>\n<td>Ph\u1ee7 polymer ho\u1eb7c m\u1ea1 k\u1ebdm n\u00f3ng<\/td>\n<\/tr>\n<tr>\n<td>L\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb th\u00e9p<\/td>\n<td>V\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c + \u0111ai \u1ed1c lo\u1ea1i ph\u00f9 h\u1ee3p<\/td>\n<td>Lo\u1ea1i 5 ho\u1eb7c Lo\u1ea1i 8<\/td>\n<td>M\u1ea1 k\u1ebdm \u0111i\u1ec7n ( trong nh\u00e0) ho\u1eb7c m\u1ea1 k\u1ebdm n\u00f3ng<\/td>\n<\/tr>\n<tr>\n<td>Bi\u1ec3n hi\u1ec7u ngo\u00e0i tr\u1eddi \u0111\u1ebfn c\u1ed9t th\u00e9p<\/td>\n<td>Bu l\u00f4ng xe<\/td>\n<td>Lo\u1ea1i 2 ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 304<\/td>\n<td>M\u1ea1 k\u1ebdm n\u00f3ng ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9 304<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/td>\n<td>\u1ed0c v\u00edt t\u1ef1 khoan cho t\u1ea5m kim lo\u1ea1i<\/td>\n<td>Th\u00e9p carbon t\u00f4i c\u1ee9ng<\/td>\n<td>M\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ee5 ki\u1ec7n \u0111\u01b0\u1eddng ray h\u00e0ng h\u1ea3i<\/td>\n<td>\u1ed0c xuy\u00ean qua ho\u1eb7c \u1ed1c v\u00edt m\u00e1y<\/td>\n<td>316 th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<td>Ch\u01b0a m\u1ea1 SS ho\u1eb7c \u0111\u1ed3ng silicon<\/td>\n<\/tr>\n<tr>\n<td>L\u1eafp \u0111\u1eb7t t\u1ea5m th\u1ea1ch cao<\/td>\n<td>\u1ed0c v\u00edt th\u1ea1ch cao<\/td>\n<td>Th\u00e9p carbon t\u00f4i c\u1ee9ng<\/td>\n<td>Ph\u1ed1t ph\u00e1t + d\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td>Gi\u00e1 \u0111\u1ee1 \u0111\u1ed9ng c\u01a1 (\u00f4 t\u00f4)<\/td>\n<td>\u1ed0c cap h\u00ecnh l\u1ee5c gi\u00e1c<\/td>\n<td>Lo\u1ea1i 8 ho\u1eb7c m\u00e9t 10.9<\/td>\n<td>Ph\u00e2n l\u1edbp m\u1ea1 k\u1ebdm c\u01a1 kh\u00ed ho\u1eb7c Dacromet<\/td>\n<\/tr>\n<tr>\n<td>Khung chassis \u0111i\u1ec7n t\u1eed<\/td>\n<td>\u1ed0c v\u00edt m\u00e1y<\/td>\n<td>304 SS ho\u1eb7c oxit \u0111en<\/td>\n<td>Ch\u01b0a m\u1ea1 ho\u1eb7c oxit \u0111en<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m khung ch\u00ednh, nh\u01b0ng c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3 c\u1ea7n ki\u1ec3m tra ti\u00eau chu\u1ea9n ASTM, SAE ho\u1eb7c ISO hi\u1ec7n h\u00e0nh. The <a href=\"https:\/\/www.astm.org\" target=\"_blank\" rel=\"noopener\">C\u1ed5ng ti\u00eau chu\u1ea9n \u1ed1c v\u00edt c\u1ee7a ASTM Qu\u1ed1c t\u1ebf<\/a> duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh x\u00e1c v\u1ec1 k\u00fd hi\u1ec7u c\u1ea5p, \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m tra \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac v\u00e0 c\u01a1 kh\u00ed t\u1ea1i c\u00e1c qu\u1ed1c gia.<\/p>\n<p>D\u00f9 b\u1ea1n \u0111ang x\u00e2y d\u1ef1ng s\u00e2n g\u1ed7 trong s\u00e2n sau, l\u1eafp r\u00e1p m\u00e1y m\u00f3c s\u1ea3n xu\u1ea5t, hay x\u00e1c \u0111\u1ecbnh ti\u00eau chu\u1ea9n \u1ed1c v\u00edt cho d\u1ef1 \u00e1n th\u00e9p c\u1ea5u tr\u00fac, c\u00e1c nguy\u00ean t\u1eafc \u0111\u1ec1u gi\u1ed1ng nhau: ph\u00f9 h\u1ee3p \u1ed1c v\u00edt v\u1edbi n\u1ec1n, k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng, b\u1ea3o v\u1ec7 ch\u1ed1ng m\u00f4i tr\u01b0\u1eddng, v\u00e0 kh\u00f4ng b\u1ecf qua ti\u00eau chu\u1ea9n t\u1ed1i thi\u1ec3u khi \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u. \u1ed0c v\u00e0 v\u00edt tr\u00f4ng \u0111\u01a1n gi\u1ea3n, nh\u01b0ng ch\u00fang l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c \u2014 h\u00e3y x\u1eed l\u00fd ch\u00fang nh\u01b0 v\u1eady v\u00e0 ch\u00fang s\u1ebd gi\u1eef \u0111\u01b0\u1ee3c h\u00e0ng th\u1eadp k\u1ef7.<\/p>\n<hr \/>\n<p><em>Li\u00ean quan: <a href=\"https:\/\/productionscrews.com\/vi\/\" target=\"_blank\">Hi\u1ec3u bi\u1ebft v\u1ec1 Ti\u00eau chu\u1ea9n ren v\u00edt<\/a> | <a href=\"https:\/\/productionscrews.com\/vi\/\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn L\u1ef1a ch\u1ecdn V\u1eadt li\u1ec7u \u1ed0c v\u00edt<\/a> | <a href=\"https:\/\/productionscrews.com\/vi\/\" target=\"_blank\">Th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn cho c\u00e1c k\u00edch th\u01b0\u1edbc \u1ed1c v\u00edt ph\u1ed5 bi\u1ebfn<\/a><\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ecdi \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 bu l\u00f4ng v\u00e0 v\u00edt \u2014 c\u00e1ch ch\u00fang kh\u00e1c nhau v\u1ec1 c\u01a1 h\u1ecdc, c\u00e1c lo\u1ea1i ch\u00ednh c\u1ee7a m\u1ed7i lo\u1ea1i, c\u00e1ch ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 c\u1ea5p \u0111\u1ed9 ph\u00f9 h\u1ee3p, c\u00f9ng khung quy\u1ebft \u0111\u1ecbnh th\u1ef1c t\u1ebf cho b\u1ea5t k\u1ef3 d\u1ef1 \u00e1n n\u00e0o.<\/p>","protected":false},"author":1,"featured_media":3581,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3585","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-screws-flange-tutorial"],"_links":{"self":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/comments?post=3585"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3585\/revisions"}],"predecessor-version":[{"id":3586,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3585\/revisions\/3586"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/3581"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=3585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=3585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=3585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}