{"id":3343,"date":"2026-04-17T02:59:43","date_gmt":"2026-04-17T02:59:43","guid":{"rendered":"https:\/\/productionscrews.com\/?p=3343"},"modified":"2026-04-17T03:00:23","modified_gmt":"2026-04-17T03:00:23","slug":"bolt-screw","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/bolt-screw\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn v\u1ec1 \u1ed1c v\u00edt b\u1eaft: C\u00e1c lo\u1ea1i, s\u1ef1 kh\u00e1c bi\u1ec7t, k\u00edch th\u01b0\u1edbc v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"

\u1ed0c v\u00edt b\u1eaft l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1c v\u00edt c\u00f3 ren \u2014 nh\u01b0ng ch\u1ecdn sai lo\u1ea1i s\u1ebd l\u00e0m t\u0103ng chi ph\u00ed, g\u00e2y ch\u1eadm tr\u1ec5 s\u1ea3n xu\u1ea5t v\u00e0 l\u00e0m y\u1ebfu k\u1ebft c\u1ea5u c\u1ee7a b\u1ea1n.<\/span><\/b><\/h2>\n

B\u01b0\u1edbc v\u00e0o b\u1ea5t k\u1ef3 c\u1eeda h\u00e0ng d\u1ee5ng c\u1ee5 n\u00e0o, l\u01b0\u1edbt qua b\u1ea5t k\u1ef3 catalog nh\u00e0 cung c\u1ea5p n\u00e0o, b\u1ea1n s\u1ebd nhanh ch\u00f3ng nh\u1eadn ra r\u1eb1ng thu\u1eadt ng\u1eef \u1ed1c b\u1eaft v\u00e0 \u1ed1c v\u00edt th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng thay th\u1ebf cho nhau m\u1ed9t c\u00e1ch g\u00e2y hi\u1ec3u l\u1ea7m. H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi l\u1edbn l\u00ean g\u1ecdi b\u1ea5t c\u1ee9 th\u1ee9 g\u00ec c\u00f3 ren l\u00e0 \u201c\u1ed1c v\u00edt b\u1eaft\u201d v\u00e0 b\u1ecf qua. \u0110i\u1ec1u n\u00e0y v\u1eabn \u1ed5n cho \u0111\u1ebfn khi kh\u00f4ng c\u00f2n n\u1eefa \u2014 cho \u0111\u1ebfn khi m\u1ed9t \u1ed1c v\u00edt m\u00e1y b\u1ecb tr\u01b0\u1ee3t kh\u1ecfi t\u1ea5m m\u1ec1m v\u00ec ai \u0111\u00f3 \u0111\u00e3 d\u00f9ng ti\u00eau chu\u1ea9n \u1ed1c b\u1eaft, ho\u1eb7c m\u1ed9t m\u1ed1i n\u1ed1i c\u1ea5u tr\u00fac th\u1ea5t b\u1ea1i v\u00ec m\u1ed9t chi\u1ebfc \u1ed1c v\u00edt thay th\u1ebf cho \u1ed1c b\u1eaft gi\u1eef t\u1ea3i qua \u0111ai \u1ed1c.<\/span><\/p>\n

M\u1ee5c ti\u00eau \u1edf \u0111\u00e2y l\u00e0 r\u00f5 r\u00e0ng: n\u1ebfu b\u1ea1n bi\u1ebft ch\u00ednh x\u00e1c \u0111i\u1ec3m kh\u00e1c bi\u1ec7t gi\u1eefa \u1ed1c b\u1eaft v\u00e0 \u1ed1c v\u00edt, lo\u1ea1i ren n\u00e0o l\u00e0m nhi\u1ec7m v\u1ee5 g\u00ec, v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng n\u00e0o, b\u1ea1n s\u1ebd \u00edt m\u1eafc ph\u1ea3i nh\u1eefng sai l\u1ea7m \u0111\u1eaft \u0111\u1ecf trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf v\u00e0 \u00edt g\u1eb7p ph\u1ea3i nh\u1eefng phi\u1ec1n to\u00e1i trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p h\u01a1n. H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n v\u00e0 x\u00e2y d\u1ef1ng t\u1eeb \u0111\u00f3.<\/span><\/p>\n

\"H\u01b0\u1edbng
H\u01b0\u1edbng d\u1eabn v\u1ec1 \u1ed1c v\u00edt b\u1eaft: C\u00e1c lo\u1ea1i, s\u1ef1 kh\u00e1c bi\u1ec7t, k\u00edch th\u01b0\u1edbc v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/figcaption><\/figure>\n
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So s\u00e1nh \u1ed1c b\u1eaft v\u00e0 \u1ed1c v\u00edt: S\u1ef1 kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i<\/span><\/b><\/p>\n

C\u00e1c lo\u1ea1i \u1ed1c b\u1eaft v\u00e0 \u0111ai \u1ed1c kim lo\u1ea1i kh\u00e1c nhau\u00a0<\/span><\/p>\n

M\u1ed9t \u1ed1c b\u1eaft \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng \u0111ai \u1ed1c. M\u1ed9t \u1ed1c v\u00edt t\u1ea1o ho\u1eb7c g\u1eafn ren c\u1ee7a ch\u00ednh n\u00f3 trong v\u1eadt li\u1ec7u gh\u00e9p n\u1ed1i.<\/span><\/b><\/p>\n

C\u00e2u \u0111\u01a1n n\u00e0y gi\u1ea3i quy\u1ebft ph\u1ea7n l\u1edbn s\u1ef1 nh\u1ea7m l\u1eabn. C\u1ea3 \u1ed1c b\u1eaft v\u00e0 \u1ed1c v\u00edt \u0111\u1ec1u l\u00e0 c\u00e1c lo\u1ea1i \u1ed1c c\u00f3 ren \u2014 \u0111\u1ec1u c\u00f3 \u0111\u1ea7u, th\u00e2n v\u00e0 ren xo\u1eafn \u1ed1c. Nh\u01b0ng c\u00e1ch ch\u00fang t\u1ea1o v\u00e0 gi\u1eef k\u1ebft n\u1ed1i ho\u00e0n to\u00e0n kh\u00e1c nhau.<\/span><\/p>\n

A\u00a0bu l\u00f4ng<\/b>\u00a0\u0110i qua hai ho\u1eb7c nhi\u1ec1u l\u1ed7 \u0111\u00e3 khoan s\u1eb5n, kh\u00f4ng c\u00f3 ren v\u00e0 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh b\u1eb1ng \u0111ai \u1ed1c \u1edf ph\u00eda b\u00ean kia. L\u1ef1c k\u1eb9p \u0111\u1ebfn t\u1eeb c\u1ea3 hai \u0111\u1ea7u \u0111\u1ec1u \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t v\u00e0o nhau. V\u00ec th\u00e2n \u1ed1c b\u1eaft th\u01b0\u1eddng c\u00f3 m\u1ed9t \u0111o\u1ea1n kh\u00f4ng c\u00f3 ren, n\u00f3 c\u00f3 th\u1ec3 ch\u1ecbu t\u1ea3i c\u1eaft qua \u0111o\u1ea1n \u0111\u00f3 thay v\u00ec ch\u1ec9 qua ren. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao \u1ed1c b\u1eaft th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn khi t\u1ea3i tr\u1ecdng c\u1ea5u tr\u00fac quan tr\u1ecdng.<\/span><\/p>\n

A\u00a0v\u00edt<\/b>, ng\u01b0\u1ee3c l\u1ea1i, \u1ed1c v\u00edt tr\u1ef1c ti\u1ebfp v\u00e0o v\u1eadt li\u1ec7u gh\u00e9p n\u1ed1i \u2014 c\u00f3 th\u1ec3 l\u00e0 l\u1ed7 \u0111\u00e3 khoan s\u1eb5n (\u1ed1c v\u00edt m\u00e1y), l\u1ed7 khoan s\u01a1 b\u1ed9 (\u1ed1c v\u00edt g\u1ed7), ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 b\u1ec1 m\u1eb7t ch\u01b0a qua x\u1eed l\u00fd (\u1ed1c v\u00edt t\u1ef1 khoan). \u1ed0c v\u00edt t\u1ea1o ho\u1eb7c g\u1eafn ren c\u1ee7a ch\u00ednh n\u00f3 v\u00e0 gi\u1eef k\u1ebft n\u1ed1i m\u00e0 kh\u00f4ng c\u1ea7n \u0111ai \u1ed1c.<\/span><\/p>\n

\u0110i\u1ec1u th\u00fa v\u1ecb n\u1eb1m \u1edf khu v\u1ef1c trung t\u00e2m m\u1edd nh\u1ea1t. M\u1ed9t \u1ed1c v\u00edt \u0111\u1ea7u ch\u1ee5p h\u00ecnh l\u1ee5c gi\u00e1c c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng h\u1ec7t \u1ed1c b\u1eaft h\u00ecnh l\u1ee5c gi\u00e1c. Vi\u1ec7c n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t hay nh\u01b0 m\u1ed9t ph\u1ee5 thu\u1ed9c ho\u00e0n to\u00e0n v\u00e0o c\u00e1ch n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u1eafp r\u00e1p \u2014 c\u00f3 \u0111ai \u1ed1c hay kh\u00f4ng. C\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh nh\u01b0 ASME v\u00e0 ISO c\u00f4ng nh\u1eadn s\u1ef1 tr\u00f9ng l\u1eb7p n\u00e0y, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c ch\u1ecdn ngu\u1ed3n ch\u00ednh x\u00e1c y\u00eau c\u1ea7u xem x\u00e9t c\u00e1c b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o t\u00ean g\u1ecdi.<\/span><\/p>\n

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C\u00e1c lo\u1ea1i \u1ed1c b\u1eaft<\/span><\/b><\/p>\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 \u1ed1c b\u1eaft \u0111\u1ec1u gi\u1ed1ng nhau, v\u00e0 lo\u1ea1i \u1ed1c b\u1eaft kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n t\u1ea3i ho\u1eb7c m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1ecfng h\u00f3c s\u1edbm \u2014 kh\u00f4ng ph\u1ea3i m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, m\u00e0 d\u1ea7n d\u1ea7n, theo nh\u1eefng c\u00e1ch kh\u00f3 ch\u1ea9n \u0111o\u00e1n sau n\u00e0y.<\/span><\/p>\n

\u1ed0c v\u00edt h\u00ecnh l\u1ee5c gi\u00e1c<\/span><\/b><\/p>\n

\u1ed0c b\u1eaft h\u00ecnh l\u1ee5c gi\u00e1c l\u00e0 lo\u1ea1i \u1ed1c ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 x\u00e2y d\u1ef1ng. \u0110\u1ea7u h\u00ecnh l\u1ee5c gi\u00e1c cho ph\u00e9p si\u1ebft l\u1ef1c t\u1eeb nhi\u1ec1u g\u00f3c \u0111\u1ed9, v\u00e0 b\u1ec1 m\u1eb7t ph\u1eb3ng ph\u00e2n ph\u1ed1i l\u1ef1c k\u1eb9p t\u1ed1t. \u1ed0c b\u1eaft h\u00ecnh l\u1ee5c gi\u00e1c theo c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 SAE Lo\u1ea1i 5 v\u00e0 Lo\u1ea1i 8 trong h\u1ec7 imperial, ho\u1eb7c ISO 8.8, 10.9, v\u00e0 12.9 trong h\u1ec7 m\u00e9t.<\/span><\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang:<\/span><\/b>\u00a0B\u1ea5t k\u1ef3 m\u1ed1i n\u1ed1i c\u1ea5u tr\u00fac n\u1eb7ng, g\u1eafn thi\u1ebft b\u1ecb, v\u00e0 l\u1eafp r\u00e1p khung.<\/span><\/p>\n

\u1ed0c v\u00edt xe ch\u1edf h\u00e0ng<\/span><\/b><\/p>\n

\u1ed0c b\u1eaft xe c\u00f3 \u0111\u1ea7u tr\u01a1n, h\u00ecnh m\u00e1i v\u00f2m v\u00e0 ph\u1ea7n vu\u00f4ng ngay d\u01b0\u1edbi \u0111\u1ea7u \u0111\u1ec3 b\u00e1m v\u00e0o g\u1ed7 ho\u1eb7c v\u1eadt li\u1ec7u m\u1ec1m khi si\u1ebft \u0111ai \u1ed1c. \u0110i\u1ec1u n\u00e0y ng\u0103n \u1ed1c xoay trong qu\u00e1 tr\u00ecnh si\u1ebft \u2014 h\u1eefu \u00edch khi truy c\u1eadp ch\u1ec9 t\u1eeb m\u1ed9t ph\u00eda.<\/span><\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang:<\/span><\/b>\u00a0K\u1ebft n\u1ed1i g\u1ed7 v\u1edbi g\u1ed7, l\u1eafp h\u00e0ng r\u00e0o, thi\u1ebft b\u1ecb ch\u01a1i ngo\u00e0i tr\u1eddi.<\/span><\/p>\n

\u1ed0c v\u00edt m\u1eb7t b\u00edch<\/span><\/b><\/p>\n

\u1ed0c b\u1eaft m\u1eb7t b\u00edch c\u00f3 m\u1ed9t v\u00f2ng \u0111\u1ec7m t\u00edch h\u1ee3p d\u01b0\u1edbi \u0111\u1ea7u, ph\u00e2n ph\u1ed1i t\u1ea3i tr\u1ecdng tr\u00ean di\u1ec7n t\u00edch ti\u1ebfp x\u00fac r\u1ed9ng h\u01a1n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang ph\u1ed5 bi\u1ebfn trong c\u00e1c k\u1ebft n\u1ed1i m\u1eb7t b\u00edch \u00f4 t\u00f4, HVAC, v\u00e0 \u1ed1ng d\u1eabn n\u01a1i vi\u1ec7c ph\u00e2n t\u00e1n t\u1ea3i tr\u1ecdng quan tr\u1ecdng.<\/span><\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang:<\/span><\/b>\u00a0M\u1eb7t b\u00edch \u1ed1ng, b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n tr\u00e1nh s\u1eed d\u1ee5ng \u0111\u1ec7m ri\u00eang bi\u1ec7t.<\/span><\/p>\n

V\u00edt ch\u1eef U<\/span><\/b><\/p>\n

U-bolt qu\u1ea5n quanh \u1ed1ng ho\u1eb7c ph\u1ea7n tr\u00f2n, v\u1edbi c\u00e1c \u0111\u1ea7u ren nh\u00f4 ra \u0111\u1ec3 \u0111ai \u1ed1c si\u1ebft ch\u1eb7t t\u1eeb ph\u00eda d\u01b0\u1edbi. Ch\u00fang ph\u1ed5 bi\u1ebfn trong h\u1ec7 th\u1ed1ng h\u1ed7 tr\u1ee3 \u1ed1ng, h\u1ec7 th\u1ed1ng treo xe, v\u00e0 ph\u1ea7n c\u1ee9ng h\u00e0ng h\u1ea3i.<\/span><\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang:<\/span><\/b>\u00a0K\u1eb9p \u1ed1ng, m\u00f3c k\u00e9o r\u01a1 mo\u00f3c, rigging h\u00e0ng h\u1ea3i.<\/span><\/p>\n

\u1ed0c m\u1eaft<\/span><\/b><\/p>\n

\u1ed0c m\u1eaft c\u00f3 \u0111\u1ea7u v\u00f2ng thay v\u00ec \u0111\u1ea7u ti\u00eau chu\u1ea9n. M\u1ed9t \u0111ai \u1ed1c gi\u1eef n\u00f3 c\u1ed1 \u0111\u1ecbnh t\u1eeb ph\u00eda b\u00ean kia, v\u00e0 v\u00f2ng mang t\u1ea3i k\u00e9o \u2014 m\u00f3c, c\u00e1p, rigging.<\/span><\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang:<\/span><\/b>\u00a0\u0110i\u1ec3m n\u00e2ng, m\u00f3c neo c\u00e1p, ph\u1ea7n c\u1ee9ng treo.<\/span><\/p>\n

\u1ed0c v\u00edt Stud<\/span><\/b><\/p>\n

\u1ed0c v\u00edt stud ho\u00e0n to\u00e0n c\u00f3 ren m\u00e0 kh\u00f4ng c\u00f3 \u0111\u1ea7u \u2014 n\u00f3 c\u00f3 ren \u1edf c\u1ea3 hai \u0111\u1ea7u (ho\u1eb7c su\u1ed1t chi\u1ec1u d\u00e0i) v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef ch\u1eb7t b\u1eb1ng \u0111ai \u1ed1c \u1edf c\u1ea3 hai \u0111\u1ea7u. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c b\u1ed9 n\u1ed1i \u1ed1ng c\u00f3 flange \u00e1p su\u1ea5t cao v\u00e0 ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u00f4ng nghi\u1ec7p h\u00f3a d\u1ea7u v\u00e0 ph\u00e1t \u0111i\u1ec7n.<\/span><\/p>\n

Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng ch\u00fang:<\/span><\/b>\u00a0C\u00e1c flange \u00e1p su\u1ea5t cao, \u0111\u1ea7u \u0111\u1ed9ng c\u01a1, v\u00e0 c\u00e1c k\u1ebft n\u1ed1i flange c\u00f4ng nghi\u1ec7p n\u1eb7ng.<\/span><\/p>\n

 <\/p>\n

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C\u00e1c lo\u1ea1i bu l\u00f4ng<\/span><\/b><\/p>\n

\u1ed0c v\u00edt bao g\u1ed3m m\u1ed9t ph\u1ea1m vi \u1ee9ng d\u1ee5ng r\u1ed9ng l\u1edbn, t\u1eeb \u1ed1c v\u00edt \u0111i\u1ec7n t\u1eed nh\u1ecf \u0111\u1ebfn \u1ed1c v\u00edt lag c\u1ea5u tr\u00fac thay th\u1ebf cho bu l\u00f4ng trong khung g\u1ed7. Bi\u1ebfn s\u1ed1 ch\u00ednh lu\u00f4n l\u00e0: v\u1eadt li\u1ec7u m\u00e0 \u1ed1c v\u00edt s\u1ebd \u0111i v\u00e0o l\u00e0 g\u00ec, v\u00e0 n\u00f3 c\u1ea7n gi\u1eef t\u1ea3i bao nhi\u00eau?<\/span><\/p>\n

V\u00edt g\u1ed7<\/span><\/b><\/p>\n

\u1ed0c v\u00edt g\u1ed7 c\u00f3 ren th\u00f4, c\u00e1ch \u0111\u1ec1u nhau, t\u1ed1i \u01b0u \u0111\u1ec3 b\u00e1m v\u00e0o s\u1ee3i g\u1ed7. M\u0169i nh\u1ecdn t\u1ef1 b\u1eaft \u0111\u1ea7u, v\u00e0 ren ch\u1ec9 ch\u1ea1y m\u1ed9t ph\u1ea7n l\u00ean th\u00e2n \u1ed1c. Th\u00e2n tr\u00ean kh\u00f4ng ren cho ph\u00e9p hai th\u00e0nh ph\u1ea7n g\u1ed7 k\u00e9o l\u1ea1i g\u1ea7n nhau thay v\u00ec gi\u1eef kho\u1ea3ng c\u00e1ch gi\u1eefa ch\u00fang.<\/span><\/p>\n

\u1ed0c v\u00edt m\u00e1y<\/span><\/b><\/p>\n

\u1ed0c v\u00edt m\u00e1y y\u00eau c\u1ea7u m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan s\u1eb5n ho\u1eb7c \u0111ai \u1ed1c. Ch\u00fang c\u00f3 ren ch\u00ednh x\u00e1c su\u1ed1t chi\u1ec1u d\u00e0i, c\u00f3 nhi\u1ec1u ki\u1ec3u \u0111\u1ea7u kh\u00e1c nhau, v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111i\u1ec7n t\u1eed, m\u00e1y m\u00f3c, v\u00e0 thi\u1ebft b\u1ecb c\u1ea7n l\u1eafp r\u00e1p ch\u00ednh x\u00e1c, l\u1eb7p l\u1ea1i.<\/span><\/p>\n

\u1ed0c v\u00edt t\u1ef1 khoan<\/span><\/b><\/p>\n

\u1ed0c v\u00edt t\u1ef1 khoan c\u1eaft ho\u1eb7c t\u1ea1o ren c\u1ee7a ch\u00ednh n\u00f3 khi \u0111\u01b0\u1ee3c v\u1eb7n v\u00e0o. Ch\u00fang nhanh v\u00e0 kh\u00f4ng c\u1ea7n khoan l\u1ed7, \u0111i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang ph\u1ed5 bi\u1ebfn trong kim lo\u1ea1i m\u1ecfng, nh\u1ef1a, v\u00e0 t\u1ea5m panel nh\u1eb9. \u0110\u1ea7u c\u1ee9ng gi\u00fap ch\u00fang xuy\u00ean qua v\u1eadt li\u1ec7u m\u00e0 kh\u00f4ng c\u1ea7n l\u1ed7 khoan s\u01a1 b\u1ed9 trong c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u m\u1ecfng h\u01a1n.<\/span><\/p>\n

\u1ed0c v\u00edt lag (\u1ed1c v\u00edt l\u1edbn)<\/span><\/b><\/p>\n

D\u00f9 th\u01b0\u1eddng g\u1ecdi l\u00e0 lag bolt, nh\u01b0ng v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, lag screw l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1c v\u00edt \u2014 n\u00f3 ren tr\u1ef1c ti\u1ebfp v\u00e0o g\u1ed7 m\u00e0 kh\u00f4ng c\u1ea7n \u0111ai \u1ed1c. \u1ed0c v\u00edt lag l\u1edbn, \u0111\u1ea7u h\u00ecnh l\u1ee5c gi\u00e1c, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c k\u1ebft n\u1ed1i g\u1ed7 c\u1ea5u tr\u00fac n\u01a1i vi\u1ec7c l\u1eafp \u0111\u1eb7t qua bu l\u00f4ng l\u00e0 kh\u00f4ng kh\u1ea3 thi.<\/span><\/p>\n

\u1ed0c v\u00edt c\u1ed1 \u0111\u1ecbnh (Set Screw)<\/span><\/b><\/p>\n

\u1ed0c v\u00edt c\u1ed1 \u0111\u1ecbnh kh\u00f4ng c\u00f3 \u0111\u1ea7u. N\u00f3 ho\u00e0n to\u00e0n c\u00f3 ren v\u00e0 d\u00f9ng \u0111\u1ec3 gi\u1eef tr\u1ee5c quay c\u1ed1 \u0111\u1ecbnh v\u00e0o b\u00e1nh \u0111\u00e0 ho\u1eb7c v\u00f2ng \u0111\u1ec7m. Th\u01b0\u1eddng th\u1ea5y trong c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng, b\u00e1nh r\u0103ng, v\u00e0 kh\u1edbp n\u1ed1i. \u0110\u1ea7u nh\u1ecdn ho\u1eb7c h\u00ecnh ch\u00e9n c\u1eafn v\u00e0o tr\u1ee5c khi si\u1ebft ch\u1eb7t.<\/span><\/p>\n

\u1ed0c v\u00edt kim lo\u1ea1i t\u1ea5m<\/span><\/b><\/p>\n

\u1ed0c v\u00edt kim lo\u1ea1i t\u1ea5m c\u1ee9ng, nh\u1ecdn, c\u00f3 ren \u0111\u1ec3 c\u1eafn v\u00e0o c\u00e1c t\u1ea5m kim lo\u1ea1i m\u1ecfng. Kh\u00e1c v\u1edbi \u1ed1c v\u00edt m\u00e1y, ch\u00fang kh\u00f4ng c\u1ea7n l\u1ed7 khoan s\u1eb5n trong c\u00e1c \u1ee9ng d\u1ee5ng m\u1ecfng h\u01a1n v\u00e0 r\u1ea5t ph\u1ed5 bi\u1ebfn trong h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn HVAC, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb, v\u00e0 trang tr\u00ed \u00f4 t\u00f4.<\/span><\/p>\n

\n
\n<\/div>\n

C\u00e1c lo\u1ea1i ren: Chi ti\u1ebft m\u00e0 nhi\u1ec1u ng\u01b0\u1eddi mua b\u1ecf qua<\/span><\/b><\/h2>\n

 <\/p>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ren l\u00e0 n\u01a1i nhi\u1ec1u cu\u1ed9c tr\u00f2 chuy\u1ec7n mua h\u00e0ng g\u1eb7p sai l\u1ea7m. Hai \u1ed1c v\u00edt c\u00f3 th\u1ec3 tr\u00f4ng gi\u1ed1ng nhau nh\u01b0ng ho\u00e0n to\u00e0n kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u00ec m\u1ed9t c\u00e1i theo m\u00e9t v\u00e0 c\u00e1i kia theo inch, ho\u1eb7c v\u00ec b\u01b0\u1edbc ren kh\u00e1c nhau.<\/span><\/p>\n\n\n\n\n\n\n\n\n\n
\n

Ti\u00eau chu\u1ea9n ren<\/span><\/b><\/p>\n<\/td>\n

\n

H\u1ec7 th\u1ed1ng<\/span><\/b><\/p>\n<\/td>\n

\n

Ch\u1ec9 \u0111\u1ecbnh v\u00ed d\u1ee5<\/span><\/b><\/p>\n<\/td>\n

\n

\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/span><\/b><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n

\n

UNC (D\u1ea1ng th\u00f4 th\u1ed1ng nh\u1ea5t)\u00a0<\/span><\/p>\n<\/td>\n

\n

Anh<\/span><\/p>\n<\/td>\n

\n

1\/4-20\u00a0<\/span><\/p>\n<\/td>\n

\n

S\u1eed d\u1ee5ng chung, l\u1eafp r\u00e1p nhanh trong v\u1eadt li\u1ec7u m\u1ec1m\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

UNF (D\u1ea1ng tinh th\u1ed1ng nh\u1ea5t)\u00a0<\/span><\/p>\n<\/td>\n

\n

Anh<\/span><\/p>\n<\/td>\n

\n

1\/4-28\u00a0<\/span><\/p>\n<\/td>\n

\n

M\u00e1y ch\u00ednh x\u00e1c, \u1ee9ng d\u1ee5ng d\u1ec5 b\u1ecb rung\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

Ti\u00eau chu\u1ea9n m\u00e9t th\u00f4\u00a0<\/span><\/p>\n<\/td>\n

\n

M\u00e9t<\/span><\/p>\n<\/td>\n

\n

M8 x 1.25\u00a0<\/span><\/p>\n<\/td>\n

\n

S\u1ea3n xu\u1ea5t ti\u00eau chu\u1ea9n, \u00f4 t\u00f4, thi\u1ebft b\u1ecb ch\u00e2u \u00c2u\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

Ti\u00eau chu\u1ea9n m\u00e9t tinh\u00a0<\/span><\/p>\n<\/td>\n

\n

M\u00e9t<\/span><\/p>\n<\/td>\n

\n

M8 x 1.0\u00a0<\/span><\/p>\n<\/td>\n

\n

L\u1eafp r\u00e1p ch\u00ednh x\u00e1c, b\u1ed9 ph\u1eadn v\u00e1ch m\u1ecfng\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

BSPP \/ BSPT\u00a0<\/span><\/p>\n<\/td>\n

\n

Anh<\/span><\/p>\n<\/td>\n

\n

G1\/4, R1\/8\u00a0<\/span><\/p>\n<\/td>\n

\n

Ph\u1ee5 ki\u1ec7n \u1ed1ng, h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c v\u00e0 kh\u00ed n\u00e9n\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ren tinh grip ch\u1eb7t h\u01a1n trong m\u00f4i tr\u01b0\u1eddng rung l\u1eafc nhi\u1ec1u v\u00ec c\u00f3 nhi\u1ec1u ti\u1ebfp x\u00fac ren h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb chi\u1ec1u d\u00e0i. Ren th\u00f4 ch\u1ecbu \u0111\u1ef1ng sai l\u1ec7ch v\u00e0 b\u1ee5i b\u1ea9n nhi\u1ec1u h\u01a1n trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p, \u0111\u00f3 l\u00e0 l\u00fd do ch\u00fang chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi, x\u00e2y d\u1ef1ng v\u00e0 l\u1eafp r\u00e1p nhanh.<\/span><\/p>\n

M\u1ed9t sai l\u1ea7m \u0111\u00e1ng \u0111\u01b0\u1ee3c nh\u1eafc r\u00f5: kh\u00f4ng bao gi\u1edd tr\u1ed9n l\u1eabn c\u00e1c ti\u00eau chu\u1ea9n ren. M\u1ed9t bu l\u00f4ng M10 theo m\u00e9t tr\u00f4ng g\u1ea7n nh\u01b0 gi\u1ed1ng h\u1ec7t m\u1ed9t bu l\u00f4ng UNC 3\/8-16 trong h\u00ecnh \u1ea3nh, nh\u01b0ng ch\u00fang s\u1ebd b\u1ecb k\u1eb9t ren l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0 g\u00e2y h\u01b0 h\u1ecfng c\u1ea3 hai b\u1ed9 ph\u1eadn. N\u1ebfu b\u1ea1n mua h\u00e0ng qu\u1ed1c t\u1ebf, lu\u00f4n x\u00e1c nh\u1eadn ti\u00eau chu\u1ea9n ren, b\u01b0\u1edbc ren v\u00e0 \u0111\u01b0\u1eddng k\u00ednh ch\u00ednh x\u00e1c theo b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf.<\/span><\/p>\n

\n
\n<\/div>\n

C\u00e1c lo\u1ea1i \u0111\u1ea7u bu l\u00f4ng v\u00edt<\/span><\/b><\/p>\n

\u0110\u1ea7u c\u1ee7a m\u1ed9t chi\u1ebfc bu l\u00f4ng ho\u1eb7c v\u00edt quy\u1ebft \u0111\u1ecbnh c\u1ea3 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00f4-men xo\u1eafn v\u00e0 v\u1ebb ngo\u00e0i c\u1ee7a m\u1ed1i n\u1ed1i ho\u00e0n thi\u1ec7n. Trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y ho\u1eb7c h\u01b0\u1edbng t\u1edbi ng\u01b0\u1eddi ti\u00eau d\u00f9ng, lo\u1ea1i \u0111\u1ea7u l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf c\u0169ng nh\u01b0 k\u1ef9 thu\u1eadt.<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\n

Lo\u1ea1i \u0111\u1ea7u<\/span><\/b><\/p>\n<\/td>\n

\n

Phong c\u00e1ch d\u1eabn<\/span><\/b><\/p>\n<\/td>\n

\n

Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t<\/span><\/b><\/p>\n<\/td>\n<\/tr>\n<\/thead>\n

\n

\u0110\u1ea7u h\u00ecnh l\u1ee5c gi\u00e1c\u00a0<\/span><\/p>\n<\/td>\n

\n

C\u1edd l\u00ea \/ \u1ed5 c\u1eafm<\/span><\/p>\n<\/td>\n

\n

\u1ee8ng d\u1ee5ng c\u1ea5u tr\u00fac ch\u1ecbu m\u00f4-men xo\u1eafn cao\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u0110\u1ea7u m\u0169i khoan \/ \u0110\u1ea7u ph\u1eb3ng\u00a0<\/span><\/p>\n<\/td>\n

\n

Phillips \/ Torx<\/span><\/p>\n<\/td>\n

\n

Ho\u00e0n thi\u1ec7n ph\u1eb3ng trong c\u00e1c t\u1ea5m panel, n\u1ed9i th\u1ea5t, \u0111i\u1ec7n t\u1eed\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

cURL Too many subrequests.\u00a0<\/span><\/p>\n<\/td>\n

\n

Phillips \/ Slot \/ Torx<\/span><\/p>\n<\/td>\n

\n

V\u00edt m\u00e1y m\u00f3c chung, kim lo\u1ea1i t\u1ea5m\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

cURL Too many subrequests.\u00a0<\/span><\/p>\n<\/td>\n

\n

\u1ed4 l\u1ee5c gi\u00e1c<\/span><\/p>\n<\/td>\n

\n

B\u1ed9 l\u1eafp r\u00e1p ki\u1ec3u th\u1ea5p, nh\u1ea1y c\u1ea3m v\u1ec1 h\u00ecnh th\u1ee9c\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u0110\u1ea7u v\u00f2m \/ tr\u00f2n\u00a0<\/span><\/p>\n<\/td>\n

\n

Phillips \/ Slot<\/span><\/p>\n<\/td>\n

\n

\u1ee8ng d\u1ee5ng nh\u1eb9 cho g\u1ed7 v\u00e0 n\u1ed9i th\u1ea5t\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u0110\u1ea7u c\u00f3 v\u00e0nh\u00a0<\/span><\/p>\n<\/td>\n

\n

L\u1ee5c gi\u00e1c<\/span><\/p>\n<\/td>\n

\n

\u1ed0ng c\u00f3 v\u00e0nh, \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, ph\u00e2n ph\u1ed1i t\u1ea3i\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

\u1ed0c v\u00edt \u0111\u1ea7u ch\u1ee5p\u00a0<\/span><\/p>\n<\/td>\n

\n

Kh\u00f3a Allen (Hex key)<\/span><\/p>\n<\/td>\n

\n

L\u1eafp r\u00e1p ch\u00ednh x\u00e1c truy c\u1eadp ch\u1eb7t ch\u1ebd\u00a0<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u1ed4 c\u1eafm Torx ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn nh\u01b0 m\u1ed9t s\u1ef1 thay th\u1ebf cho Phillips trong c\u1ea3 s\u1ea3n xu\u1ea5t v\u00e0 th\u1ecb tr\u01b0\u1eddng sau b\u00e1n h\u00e0ng, v\u00ec \u1ed5 h\u00ecnh sao duy tr\u00ec s\u1ef1 g\u1eafn k\u1ebft khi xoay \u1edf m\u00f4-men xo\u1eafn cao h\u01a1n m\u00e0 kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t cam. Trong s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 v\u00e0 \u0111i\u1ec7n t\u1eed, Torx hi\u1ec7n ph\u1ed5 bi\u1ebfn h\u01a1n Phillips cho c\u00e1c fastener c\u00f3 m\u00f4-men xo\u1eafn ch\u00ednh x\u00e1c.<\/span><\/p>\n

\n
\n<\/div>\n

C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7<\/span><\/b><\/p>\n

\u1ed0c v\u00edt c\u00f3 th\u1ec3 b\u1ecb h\u1ecfng kh\u00f4ng ph\u1ea3i v\u00ec th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt sai m\u00e0 v\u00ec lo\u1ea1i v\u1eadt li\u1ec7u kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng ho\u1eb7c m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u l\u00e0 m\u1ed9t trong nh\u1eefng quy\u1ebft \u0111\u1ecbnh \u00edt \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn nh\u01b0ng quan tr\u1ecdng nh\u1ea5t trong mua s\u1eafm fastener.<\/span><\/p>\n

D\u1ea5u hi\u1ec7u ph\u00e2n lo\u1ea1i c\u1ea5p \u0111\u1ed9 \u1ed1c v\u00edt (quy \u01b0\u1edbc):<\/span><\/b><\/p>\n