{"id":4507,"date":"2026-05-23T13:38:36","date_gmt":"2026-05-23T13:38:36","guid":{"rendered":"https:\/\/cyan-finch-538096.hostingersite.com\/bolt-and-screw\/"},"modified":"2026-06-03T05:04:07","modified_gmt":"2026-06-03T05:04:07","slug":"bolt-and-screw","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/bolt-and-screw\/","title":{"rendered":"Bu l\u00f4ng v\u00e0 \u1ed1c v\u00edt: H\u01b0\u1edbng d\u1eabn ho\u00e0n ch\u1ec9nh v\u1ec1 c\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng nghi\u1ec7p (2026)"},"content":{"rendered":"

M\u1ed9t bu l\u00f4ng \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t b\u1eb1ng m\u1ed9t \u0111ai \u1ed1c qua m\u1ed9t l\u1ed7 th\u00f4ng; m\u1ed9t v\u00edt th\u00ec ren tr\u1ef1c ti\u1ebfp v\u00e0o v\u1eadt li\u1ec7u. C\u1ea3 hai \u0111\u1ec1u l\u00e0 c\u00e1c thi\u1ebft b\u1ecb g\u1eafn k\u1ebft c\u00f3 ren nh\u01b0ng ch\u00fang ch\u1ecbu t\u1ea3i kh\u00e1c nhau.<\/strong><\/strong><\/p><\/blockquote>\n

\"bu<\/figure>\n

B\u01b0\u1edbc v\u00e0o b\u1ea5t k\u1ef3 nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t n\u00e0o, b\u1ea1n s\u1ebd th\u1ea5y \u0111i\u1ec1u t\u01b0\u01a1ng t\u1ef1: c\u00e1c th\u00f9ng ch\u1ee9a bu l\u00f4ng v\u00e0 v\u00edt \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng l\u00ean nhau b\u00ean t\u01b0\u1eddng, \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a m\u00e0u theo c\u1ea5p \u0111\u1ed9, chi\u1ec1u d\u00e0i v\u00e0 ki\u1ec3u \u0111\u1ea7u. Nh\u1eefng ng\u01b0\u1eddi \u0111i\u1ec1u h\u00e0nh c\u00e1c nh\u00e0 m\u00e1y \u0111\u00f3 kh\u00f4ng coi h\u00e0ng t\u1ed3n kho bu l\u00f4ng v\u00e0 v\u00edt l\u00e0 ph\u1ea7n c\u1ee9ng h\u00e0ng h\u00f3a \u2014 h\u1ecd coi \u0111\u00f3 l\u00e0 \u0111i\u1ec3m y\u1ebfu b\u1ecb \u0111\u00e1nh gi\u00e1 th\u1ea5p nh\u1ea5t trong to\u00e0n b\u1ed9 quy tr\u00ecnh l\u1eafp r\u00e1p. Ch\u1ecdn sai bu l\u00f4ng v\u00e0 v\u00edt<\/strong> k\u1ebft h\u1ee3p v\u00e0 \u0111\u01b0\u1eddng cong b\u1ea3o h\u00e0nh c\u1ee7a b\u1ea1n s\u1ebd tr\u1edf n\u00ean x\u1ea5u. Ch\u1ecdn \u0111\u00fang v\u00e0 kh\u00f4ng ai g\u1ecdi cho b\u1ea1n v\u1ec1 \u0111i\u1ec1u \u0111\u00f3 n\u1eefa.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng cho ng\u01b0\u1eddi mua, k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf v\u00e0 qu\u1ea3n l\u00fd nh\u00e0 m\u00e1y c\u1ea7n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh v\u1ec1 bu l\u00f4ng v\u00e0 v\u00edt m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Ch\u00fang t\u00f4i s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111i\u1ec1u g\u00ec th\u1ef1c s\u1ef1 ph\u00e2n bi\u1ec7t bu l\u00f4ng v\u1edbi v\u00edt, kho\u1ea3ng m\u1ed9t t\u00e1 lo\u1ea1i m\u00e0 b\u1ea1n s\u1ebd g\u1eb7p trong s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf, c\u00e1ch ch\u1ec9 \u0111\u1ecbnh m\u1ed9t c\u00e1i cho m\u1ed9t t\u1ea3i tr\u1ecdng c\u1ee5 th\u1ec3, v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n m\u00e0 \u0111\u1ed9i ng\u0169 QC c\u1ee7a b\u1ea1n s\u1ebd y\u00eau c\u1ea7u b\u1ea1n tu\u00e2n th\u1ee7. H\u1ea7u h\u1ebft c\u00e1c h\u01b0\u1edbng d\u1eabn v\u1ec1 ch\u1ee7 \u0111\u1ec1 n\u00e0y d\u1eebng l\u1ea1i \u1edf \u0111\u1ecbnh ngh\u0129a t\u1eeb \u0111i\u1ec3n. Ch\u00fang t\u00f4i kh\u00f4ng nh\u01b0 v\u1eady, v\u00ec trong th\u1ef1c t\u1ebf, \u0111\u1ecbnh ngh\u0129a t\u1eeb \u0111i\u1ec3n kh\u00f4ng giao h\u00e0ng.<\/p>\n

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S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa bu l\u00f4ng v\u00e0 v\u00edt l\u00e0 g\u00ec?<\/h2>\n

M\u1ed9t bu l\u00f4ng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb g\u1eafn k\u1ebft c\u00f3 ren \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111i qua m\u1ed9t l\u1ed7 th\u00f4ng v\u00e0 \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t b\u1eb1ng m\u1ed9t \u0111ai \u1ed1c \u1edf ph\u00eda b\u00ean kia. M\u1ed9t v\u00edt th\u00ec ren tr\u1ef1c ti\u1ebfp v\u00e0o m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan ho\u1eb7c v\u00e0o ch\u00ednh v\u1eadt li\u1ec7u v\u00e0 si\u1ebft ch\u1eb7t b\u1eb1ng \u0111\u1ea7u c\u1ee7a n\u00f3.<\/strong> S\u1ef1 ph\u00e2n bi\u1ec7t c\u01a1 h\u1ecdc duy nh\u1ea5t \u0111\u00f3 \u2014 li\u1ec7u l\u1ef1c gi\u1eef c\u00f3 \u0111\u1ebfn t\u1eeb m\u1ed9t \u0111ai \u1ed1c gh\u00e9p n\u1ed1i hay t\u1eeb s\u1ef1 g\u1eafn k\u1ebft c\u00f3 ren trong chi ti\u1ebft c\u00f4ng vi\u1ec7c \u2014 l\u00e0 \u0111\u1ecbnh ngh\u0129a duy nh\u1ea5t gi\u1eef v\u1eefng trong m\u1ecdi ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 l\u00e0m vi\u1ec7c.<\/p>\n

N\u1ebfu b\u1ea1n \u0111\u00e3 t\u1eebng \u0111\u1ecdc m\u1ed9t cu\u1ed1n t\u1eeb \u0111i\u1ec3n \u0111\u1ed3ng ngh\u0129a, b\u1ea1n s\u1ebd th\u1ea5y \u1ed1c v\u00edt v\u00e0 bu l\u00f4ng<\/a> \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea nh\u01b0 l\u00e0 c\u00e1c t\u1eeb \u0111\u1ed3ng ngh\u0129a. \u0110i\u1ec1u \u0111\u00f3 th\u00ec \u1ed5n cho c\u00e1c c\u00e2u \u0111\u1ed1 ch\u1eef. Nh\u01b0ng \u0111\u00f3 l\u00e0 m\u1ed9t th\u1ea3m h\u1ecda cho c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt. Theo b\u00e0i vi\u1ebft Wikipedia v\u1ec1 c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng<\/a>), t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt \u0111\u00e3 ch\u00ednh th\u1ee9c h\u00f3a s\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y t\u1eeb \u0111\u1ea7u th\u1ebf k\u1ef7 hai m\u01b0\u01a1i, m\u1eb7c d\u00f9 ng\u00f4n ng\u1eef h\u00e0ng ng\u00e0y v\u1eabn t\u1ef1 do tr\u1ed9n l\u1eabn hai c\u00e1i n\u00e0y.<\/p>\n

C\u00e1ch m\u1ed9t bu l\u00f4ng th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n

M\u1ed9t bu l\u00f4ng th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c c\u1ee7a n\u00f3 b\u1eb1ng c\u00e1ch k\u1eb9p. B\u1ea1n \u0111\u1ea9y ph\u1ea7n th\u00e2n kh\u00f4ng c\u00f3 ren qua m\u1ed9t l\u1ed7 th\u00f4ng, xoay m\u1ed9t \u0111ai \u1ed1c v\u00e0o \u0111\u1ea7u c\u00f3 ren, v\u00e0 si\u1ebft ch\u1eb7t cho \u0111\u1ebfn khi m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c t\u1ea3i tr\u01b0\u1edbc. L\u1ef1c k\u1eb9p \u2014 kh\u00f4ng ph\u1ea3i c\u00e1c ren \u2014 l\u00e0 th\u1ee9 gi\u1eef cho m\u1ed1i n\u1ed1i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. C\u00e1c ren ch\u1ec9 l\u00e0 c\u00e1i n\u00eam chuy\u1ec3n \u0111\u1ed5i m\u00f4-men xo\u1eafn c\u1ee7a b\u1ea1n th\u00e0nh l\u1ef1c k\u00e9o tr\u1ee5c.<\/p>\n

\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho h\u00e0nh vi t\u1ea3i r\u1ea5t d\u1ef1 \u0111o\u00e1n. B\u1ea1n c\u00f3 th\u1ec3 t\u00ednh to\u00e1n l\u1ef1c k\u1eb9p, l\u1ef1c k\u00e9o d\u01b0 sau khi chu k\u1ef3 nhi\u1ec7t, \u0111\u1ed9 c\u1ee9ng c\u1ee7a m\u1ed1i n\u1ed1i, tu\u1ed5i th\u1ecd m\u1ecfi. Kh\u00f4ng c\u00f3 \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 x\u1ea3y ra v\u1edbi m\u1ed9t thi\u1ebft b\u1ecb g\u1eafn k\u1ebft m\u00e0 l\u1ef1c gi\u1eef c\u1ee7a n\u00f3 \u0111\u1ebfn t\u1eeb vi\u1ec7c c\u1eafn v\u00e0o s\u1ee3i g\u1ed7 ho\u1eb7c kim lo\u1ea1i t\u1ea5m.<\/p>\n

C\u00e1ch m\u1ed9t v\u00edt th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n

M\u1ed9t v\u00edt, ng\u01b0\u1ee3c l\u1ea1i, t\u1ea1o ra l\u1ef1c gi\u1eef c\u1ee7a n\u00f3 th\u00f4ng qua s\u1ef1 g\u1eafn k\u1ebft c\u1ee7a c\u00e1c ren v\u1edbi v\u1eadt li\u1ec7u g\u1ed1c. M\u1ed9t v\u00edt g\u1ed7 c\u1eafn v\u00e0o s\u1ee3i g\u1ed7. M\u1ed9t v\u00edt t\u1ef1 khoan c\u1eaft ren c\u1ee7a ch\u00ednh n\u00f3 trong kim lo\u1ea1i t\u1ea5m. M\u1ed9t v\u00edt m\u00e1y th\u00ec ren v\u00e0o m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan s\u1eb5n trong th\u00e9p ho\u1eb7c nh\u00f4m.<\/p>\n

B\u1edfi v\u00ec l\u1ef1c gi\u1eef n\u1eb1m trong ch\u00ednh s\u1ef1 g\u1eafn k\u1ebft c\u1ee7a c\u00e1c ren, v\u00edt kh\u00f4ng c\u1ea7n m\u1ed9t l\u1ed7 th\u00f4ng \u1edf ph\u00eda sau. \u0110i\u1ec1u \u0111\u00f3 l\u00e0m cho ch\u00fang nhanh h\u01a1n \u0111\u1ec3 l\u1eafp r\u00e1p \u2014 m\u1ed9t ph\u1ea7n thay v\u00ec hai, m\u1ed9t c\u00f4ng c\u1ee5 thay v\u00ec hai \u2014 nh\u01b0ng c\u0169ng c\u00f3 ngh\u0129a l\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1ed1i n\u1ed1i b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c khoan. M\u1ed9t v\u00edt m\u00e1y v\u00e0o nh\u00f4m m\u1ecfng s\u1ebd b\u1ecb tr\u01b0\u1ee3t tr\u01b0\u1edbc khi ch\u00ednh v\u00edt \u0111\u00f3 b\u1ecb h\u1ecfng.<\/p>\n

Gi\u1eefa m\u1edd: Khi m\u1ed9t thi\u1ebft b\u1ecb g\u1eafn k\u1ebft \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1ea3 hai<\/h3>\n

C\u00f3 s\u1ef1 m\u01a1 h\u1ed3 ch\u00e2n th\u1eadt \u1edf c\u00e1c ranh gi\u1edbi. M\u1ed9t v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c \u2014 m\u1ed9t b\u1ed9 ph\u1eadn g\u1eafn k\u1ebft<\/a> v\u1edbi \u0111\u1ea7u l\u1ee5c gi\u00e1c, th\u00e2n v\u00edt c\u00f3 ren ho\u00e0n to\u00e0n v\u00e0 b\u1ec1 m\u1eb7t \u0111\u1ee1 \u0111\u01b0\u1ee3c gia c\u00f4ng \u2014 tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t bu l\u00f4ng v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi nh\u01b0 v\u1eady. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t b\u1eb1ng m\u1ed9t \u0111ai \u1ed1c ho\u1eb7c v\u1eb7n v\u00e0o m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan. C\u00e1c t\u1ed5 ch\u1ee9c ti\u00eau chu\u1ea9n x\u1eed l\u00fd \u0111i\u1ec1u n\u00e0y b\u1eb1ng c\u00e1ch ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean c\u00e1ch s\u1eed d\u1ee5ng, kh\u00f4ng ph\u1ea3i h\u00ecnh th\u1ee9c: n\u1ebfu b\u1ea1n d\u1ef1 \u0111\u1ecbnh si\u1ebft ch\u1eb7t n\u00f3 b\u1eb1ng m\u1ed9t \u0111ai \u1ed1c, th\u00ec \u0111\u00f3 l\u00e0 m\u1ed9t bu l\u00f4ng; n\u1ebfu b\u1ea1n d\u1ef1 \u0111\u1ecbnh v\u1eb7n n\u00f3 v\u00e0o chi ti\u1ebft c\u00f4ng vi\u1ec7c, th\u00ec \u0111\u00f3 l\u00e0 m\u1ed9t v\u00edt.<\/p>\n

Theo kinh nghi\u1ec7m c\u1ee7a ch\u00fang t\u00f4i, vi\u1ec7c l\u00e0m \u0111\u00fang \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng h\u01a1n cho t\u00e0i li\u1ec7u v\u00e0 \u0111\u1eb7t h\u00e0ng ph\u1ee5 t\u00f9ng h\u01a1n l\u00e0 cho d\u00e2y chuy\u1ec1n l\u1eafp r\u00e1p. Nh\u01b0ng t\u00e0i li\u1ec7u th\u00ec quan tr\u1ecdng: m\u1ed9t k\u1ef9 thu\u1eadt vi\u00ean d\u1ecbch v\u1ee5 \u0111\u1eb7t h\u00e0ng \"bu l\u00f4ng\" khi b\u1ea3n v\u1ebd ch\u1ec9 \u0111\u1ecbnh v\u00edt m\u00e1y c\u00f3 th\u1ec3 k\u1ebft th\u00fac v\u1edbi h\u00e0ng t\u1ed3n kho kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan.<\/p>\n\n\n\n\n\n\n\n\n\n
Thu\u1ed9c t\u00ednh<\/th>\n\u1ed0c v\u00edt<\/th>\nV\u00edt<\/th>\n<\/tr>\n
C\u01a1 ch\u1ebf gi\u1eef ch\u1eb7t<\/strong><\/td>\nL\u1ef1c k\u1eb9p t\u1eeb \u0111ai \u1ed1c gh\u00e9p<\/td>\nS\u1ef1 g\u1eafn k\u1ebft ren trong chi ti\u1ebft<\/td>\n<\/tr>\n
Lo\u1ea1i l\u1ed7<\/strong><\/td>\nKho\u1ea3ng c\u00e1ch (kh\u00f4ng c\u00f3 ren)<\/td>\nKhoan ho\u1eb7c t\u1ef1 c\u1eaft<\/td>\n<\/tr>\n
L\u1eafp r\u00e1p \u0111i\u1ec3n h\u00ecnh<\/strong><\/td>\nHai c\u00f4ng c\u1ee5 (c\u1edd l\u00ea + gi\u1eef)<\/td>\nM\u1ed9t c\u00f4ng c\u1ee5<\/td>\n<\/tr>\n
T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng<\/strong><\/td>\nD\u1ec5 d\u1ef1 \u0111o\u00e1n, d\u1ef1a tr\u00ean c\u00f4ng th\u1ee9c<\/td>\nB\u1ecb gi\u1edbi h\u1ea1n b\u1edfi \u0111\u1ed9 b\u1ec1n v\u1eadt li\u1ec7u cha m\u1eb9<\/td>\n<\/tr>\n
T\u00e1i s\u1eed d\u1ee5ng khi th\u00e1o r\u1eddi<\/strong><\/td>\nXu\u1ea5t s\u1eafc<\/td>\nGi\u1ea3m s\u00fat v\u1edbi m\u1ed7i chu k\u1ef3<\/td>\n<\/tr>\n
Ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn<\/strong><\/td>\nASTM A307, A325, ISO 4014<\/td>\nISO 1207, ASME B18.6.3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u0110i\u1ec1u quan tr\u1ecdng cho ng\u01b0\u1eddi mua:<\/strong> n\u1ebfu b\u1ea3n v\u1ebd l\u1eafp r\u00e1p c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u \u0111\u1ed9 s\u00e2u g\u1eafn k\u1ebft ren v\u00e0 m\u1ed9t l\u1ed7 khoan, b\u1ea1n c\u1ea7n m\u1ed9t con v\u00edt. N\u1ebfu n\u00f3 y\u00eau c\u1ea7u m\u1ed9t l\u1ed7 kho\u1ea3ng c\u00e1ch v\u00e0 m\u1ed9t gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn \u0111\u1ebfn \u0111i\u1ec3m ch\u1ea3y v\u1edbi m\u1ed9t \u0111ai \u1ed1c, b\u1ea1n c\u1ea7n m\u1ed9t con bu l\u00f4ng. Vi\u1ec7c nh\u1ea7m l\u1eabn ch\u00fang l\u00e0 sai l\u1ea7m ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i th\u1ea5y trong c\u00e1c \u0111\u01a1n \u0111\u1eb7t h\u00e0ng \u0111\u1ebfn.<\/p>\n

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C\u00e1c lo\u1ea1i bu l\u00f4ng v\u00e0 v\u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t<\/h2>\n

C\u00f3 h\u00e0ng ch\u1ee5c ki\u1ec3u \u0111\u1ea7u, r\u00e3nh l\u00e1i v\u00e0 h\u00ecnh d\u1ea1ng th\u00e2n trong c\u00e1c catalog ti\u00eau chu\u1ea9n, nh\u01b0ng trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, t\u00e1m ho\u1eb7c ch\u00edn ki\u1ec3u gi\u1ed1ng nhau xu\u1ea5t hi\u1ec7n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i. Bi\u1ebft ch\u00fang b\u1eb1ng m\u1eaft gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian trong m\u1ed7i l\u1ea7n xem x\u00e9t BOM.<\/p>\n

\"C\u00e1c<\/figure>\n

C\u00e1c lo\u1ea1i bu l\u00f4ng ph\u1ed5 bi\u1ebfn<\/h3>\n

Bu l\u00f4ng l\u1ee5c gi\u00e1c.<\/strong> M\u1eb7c \u0111\u1ecbnh. \u0110\u1ea7u h\u00ecnh s\u00e1u c\u1ea1nh, ren m\u1ed9t ph\u1ea7n ho\u1eb7c to\u00e0n b\u1ed9, s\u1eed d\u1ee5ng v\u1edbi c\u1edd l\u00ea \u0111\u1ea7u m\u1edf ho\u1eb7c c\u1edd l\u00ea \u1ed5 c\u1eafm. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf kh\u1eafp m\u1ecdi n\u01a1i trong th\u00e9p c\u1ea5u tr\u00fac, khung \u00f4 t\u00f4 v\u00e0 m\u00e1y m\u00f3c n\u1eb7ng. Khi ai \u0111\u00f3 n\u00f3i \u201cbu l\u00f4ng\u201d m\u00e0 kh\u00f4ng c\u00f3 s\u1ef1 ph\u00e2n bi\u1ec7t, h\u1ecd g\u1ea7n nh\u01b0 lu\u00f4n c\u00f3 \u00fd ngh\u0129a n\u00e0y.<\/p>\n

Bu l\u00f4ng xe.<\/strong> \u0110\u1ea7u tr\u00f2n, m\u1ecbn v\u1edbi c\u1ed5 vu\u00f4ng ngay d\u01b0\u1edbi n\u00f3. C\u1ed5 vu\u00f4ng b\u00e1m v\u00e0o g\u1ed7 ho\u1eb7c kim lo\u1ea1i m\u1ec1m \u0111\u1ec3 bu l\u00f4ng kh\u00f4ng th\u1ec3 xoay trong khi b\u1ea1n si\u1ebft \u0111ai \u1ed1c. Ti\u00eau chu\u1ea9n trong x\u00e2y d\u1ef1ng g\u1ed7-th\u00e9p, khung s\u00e0n v\u00e0 b\u1ea5t k\u1ef3 m\u1ed1i n\u1ed1i n\u00e0o m\u00e0 b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn m\u1ed9t b\u00ean.<\/p>\n

Bu l\u00f4ng m\u1eaft.<\/strong> M\u1ed9t bu l\u00f4ng v\u1edbi \u0111\u1ea7u v\u00f2ng, th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 n\u00e2ng ho\u1eb7c rigging. C\u1ea5p \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 r\u1ea5t quan tr\u1ecdng \u2014 m\u1ed9t bu l\u00f4ng m\u1eaft trang tr\u00ed kh\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t bu l\u00f4ng m\u1eaft vai r\u00e8n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cho vi\u1ec7c n\u00e2ng tr\u00ean cao. \u0110\u1eebng thay th\u1ebf.<\/p>\n

Bu l\u00f4ng U.<\/strong> B\u1ebb th\u00e0nh h\u00ecnh U v\u1edbi c\u00e1c \u0111\u1ea7u c\u00f3 ren \u1edf c\u1ea3 hai b\u00ean. K\u1eb9p \u1ed1ng, \u1ed1ng d\u1eabn ho\u1eb7c \u1ed1ng x\u1ea3 v\u00e0o khung. B\u00e1n k\u00ednh c\u1ee7a h\u00ecnh U ph\u1ea3i kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a v\u1eadt b\u1ea1n \u0111ang k\u1eb9p ho\u1eb7c m\u1ed1i n\u1ed1i s\u1ebd kh\u00f4ng \u0111\u1ec1u.<\/p>\n

Bu l\u00f4ng neo.<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 g\u1eafn m\u00e1y m\u00f3c, c\u1ed9t th\u00e9p ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac v\u00e0o b\u00ea t\u00f4ng. \u0110\u01b0\u1ee3c \u0111\u00fac t\u1ea1i ch\u1ed7 trong qu\u00e1 tr\u00ecnh \u0111\u1ed5 ho\u1eb7c l\u1eafp \u0111\u1eb7t qua keo epoxy ho\u1eb7c neo ch\u00eam sau \u0111\u00f3. \u0110\u1ed9 b\u1ec1n k\u00e9o ph\u1ee5 thu\u1ed9c v\u00e0o b\u00ea t\u00f4ng v\u00e0 \u0111\u1ed9 s\u00e2u ch\u00f4n c\u0169ng nh\u01b0 v\u00e0o c\u1ea5p \u0111\u1ed9 bu l\u00f4ng. c\u1ea5p bu l\u00f4ng<\/a> ch\u00ednh n\u00f3.<\/p>\n

C\u00e1c lo\u1ea1i v\u00edt ph\u1ed5 bi\u1ebfn<\/h3>\n

V\u00edt m\u00e1y.<\/strong> Th\u00e2n c\u00f3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ed3ng nh\u1ea5t, ren to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ren v\u00e0o m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan trong kim lo\u1ea1i. \u0110\u1ea7u ch\u1ea3o, \u0111\u1ea7u ph\u1eb3ng (ch\u00ecm) ho\u1eb7c \u0111\u1ea7u n\u00fat l\u00e0 ba lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t. R\u00e3nh l\u00e1i th\u01b0\u1eddng l\u00e0 Phillips, r\u00e3nh ho\u1eb7c \u1ed5 c\u1eafm l\u1ee5c gi\u00e1c.<\/p>\n

V\u00edt t\u1ef1 khoan.<\/strong> C\u1eaft ren c\u1ee7a ri\u00eang n\u00f3 khi \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o kim lo\u1ea1i t\u1ea5m, nh\u1ef1a ho\u1eb7c v\u1eadt li\u1ec7u m\u1ecfng. H\u00ecnh d\u1ea1ng \u0111\u1ea7u nh\u1ecdn thay \u0111\u1ed5i \u2014 lo\u1ea1i AB cho kim lo\u1ea1i m\u1ecfng, lo\u1ea1i B cho d\u00e0y h\u01a1n, lo\u1ea1i C (ho\u1eb7c t\u1ef1 khoan, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u201cv\u00edt Tek\u201d) khoan l\u1ed7 d\u1eabn ri\u00eang. Ch\u1ecdn sai lo\u1ea1i \u0111\u1ea7u nh\u1ecdn c\u00f3 th\u1ec3 l\u00e0m tr\u01b0\u1ee3t ren ho\u1eb7c g\u00e3y \u0111\u1ea7u.<\/p>\n

V\u00edt g\u1ed7.<\/strong> Th\u00e2n thon, ren th\u00f4, r\u00e3nh s\u00e2u gi\u1eefa c\u00e1c ren \u0111\u1ec3 l\u00e0m s\u1ea1ch m\u1ea1t. V\u00edt g\u1ed7 s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 ph\u1ea7n l\u1edbn \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng v\u00edt s\u00e0n<\/strong> v\u1edbi l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n \u2014 nh\u01b0ng h\u00ecnh d\u1ea1ng c\u01a1 b\u1ea3n v\u1eabn gi\u1ed1ng nhau.<\/p>\n

V\u00edt kim lo\u1ea1i t\u1ea5m.<\/strong> M\u1ed9t v\u00edt t\u1ef1 khoan \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho kim lo\u1ea1i t\u1ea5m: ren m\u1ea1nh, \u0111\u1ea7u nh\u1ecdn s\u1eafc, th\u00e9p c\u1ee9ng. Gi\u1eef t\u1ed1t trong c\u00f4ng vi\u1ec7c c\u00f3 \u0111\u1ed9 d\u00e0y m\u1ecfng n\u01a1i m\u00e0 v\u00edt m\u00e1y s\u1ebd kh\u00f4ng c\u00f3 g\u00ec \u0111\u1ec3 b\u00e1m v\u00e0o.<\/p>\n

V\u00edt \u0111\u1ecbnh v\u1ecb.<\/strong> Kh\u00f4ng \u0111\u1ea7u, c\u00f3 ren d\u00e0i, v\u1edbi \u1ed5 c\u1eafm l\u1ee5c gi\u00e1c ho\u1eb7c \u0111\u1ea7u r\u00e3nh. V\u00edt v\u00e0o l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c khoan v\u00e0 ch\u1ea1m \u0111\u00e1y v\u00e0o tr\u1ee5c \u0111\u1ec3 gi\u1eef m\u1ed9t b\u00e1nh xe, b\u00e1nh r\u0103ng ho\u1eb7c v\u00f2ng. \u0110\u1ea7u - ch\u00e9n, h\u00ecnh n\u00f3n, h\u00ecnh ch\u00f3, ho\u1eb7c ph\u1eb3ng - x\u00e1c \u0111\u1ecbnh c\u00e1ch n\u00f3 gi\u1eef v\u00e0 li\u1ec7u n\u00f3 c\u00f3 l\u00e0m h\u1ecfng tr\u1ee5c hay kh\u00f4ng.<\/p>\n

\u1ed0c v\u00edt \u0111\u1eb7c bi\u1ec7t<\/h3>\n

Bu l\u00f4ng vai<\/strong> (c\u00f2n g\u1ecdi l\u00e0 v\u00edt t\u00e1ch r\u1eddi): m\u1ed9t th\u00e2n kh\u00f4ng c\u00f3 ren gi\u1eefa \u0111\u1ea7u v\u00e0 \u0111\u1ea7u c\u00f3 ren. \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t ch\u1ed1t pivot ho\u1eb7c c\u1ed9t h\u01b0\u1edbng trong khu\u00f4n v\u00e0 d\u1ee5ng c\u1ee5. \u0110\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c \u0111\u1ec3 ph\u00f9 h\u1ee3p tr\u01b0\u1ee3t.<\/p>\n

V\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c. \u0110\u1ea7u h\u00ecnh tr\u1ee5<\/a> \u0110\u1ea7u h\u00ecnh tr\u1ee5 v\u1edbi \u1ed5 l\u1ee5c gi\u00e1c b\u00ean trong. \u0110\u1ed9 b\u1ec1n cao (th\u01b0\u1eddng l\u00e0 th\u00e9p h\u1ee3p kim, c\u1ea5p 12.9), \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf nh\u1eefng n\u01a1i kh\u00f4ng gian ch\u1eadt h\u1eb9p ho\u1eb7c khi ch\u00eca kh\u00f3a l\u1ee5c gi\u00e1c l\u00e0 c\u00f4ng c\u1ee5 th\u1ef1c t\u1ebf duy nh\u1ea5t. M\u1eb7c \u0111\u1ecbnh trong c\u00f4ng vi\u1ec7c jig v\u00e0 fixture.<\/p>\n

V\u00edt flang.<\/a><\/strong> V\u00edt l\u1ee5c gi\u00e1c v\u1edbi flang gi\u1ed1ng nh\u01b0 \u0111\u0129a t\u00edch h\u1ee3p d\u01b0\u1edbi \u0111\u1ea7u. Ph\u00e2n ph\u1ed1i t\u1ea3i v\u00e0 ch\u1ed1ng l\u1ecfng, ph\u1ed5 bi\u1ebfn trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 HVAC.<\/p>\n

V\u00edt ch\u1ed1ng ph\u00e1 ho\u1ea1i.<\/strong> \u0110\u1ea7u m\u1ed9t chi\u1ec1u, pin trong Torx, \u0111\u1ea7u m\u1eaft r\u1eafn, ho\u1eb7c ki\u1ec3u Bryce. Xu\u1ea5t hi\u1ec7n \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u b\u1ea1n kh\u00f4ng mu\u1ed1n k\u1ef9 thu\u1eadt vi\u00ean hi\u1ec7n tr\u01b0\u1eddng (ho\u1eb7c kh\u00e1ch h\u00e0ng) m\u1edf m\u1ed9t c\u00e1i g\u00ec \u0111\u00f3 m\u1ed9t c\u00e1ch t\u00f9y ti\u1ec7n.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Lo\u1ea1i<\/th>\nKi\u1ec3u l\u00e1i<\/th>\nS\u1eed d\u1ee5ng ch\u00ednh<\/th>\nN\u01a1i b\u1ea1n s\u1ebd th\u1ea5y n\u00f3<\/th>\n<\/tr>\n
Bu l\u00f4ng h\u00ecnh l\u1ee5c gi\u00e1c<\/td>\n\u0110\u1ea7u l\u1ee5c gi\u00e1c (b\u00ean ngo\u00e0i)<\/td>\nK\u1eb9p c\u1ea5u tr\u00fac<\/td>\nKhung, khung g\u1ea7m, m\u00e1y m\u00f3c<\/td>\n<\/tr>\n
Bu l\u00f4ng xe<\/td>\n\u0110\u1ea7u h\u00ecnh ch\u00f3p + c\u1ed5 vu\u00f4ng<\/td>\nG\u1ed7 v\u1edbi th\u00e9p<\/td>\nPh\u1ea7n c\u1ee9ng cho s\u00e0n, h\u00e0ng r\u00e0o, c\u1ed5ng<\/td>\n<\/tr>\n
\u1ed0c v\u00edt m\u00e1y<\/td>\nPhillips \/ r\u00e3nh \/ \u1ed5 l\u1ee5c gi\u00e1c<\/td>\nL\u1eafp r\u00e1p l\u1ed7 \u0111\u00e3 khoan<\/td>\n\u0110i\u1ec7n t\u1eed, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, gi\u00e1 \u0111\u1ee1<\/td>\n<\/tr>\n
T\u1ef1 khoan<\/td>\nPhillips \/ l\u1ee5c gi\u00e1c<\/td>\nT\u00f4n \/ nh\u1ef1a<\/td>\nThi\u1ebft b\u1ecb, \u1ed1ng d\u1eabn HVAC<\/td>\n<\/tr>\n
V\u00edt g\u1ed7 \/ v\u00edt s\u00e0n<\/td>\nNg\u00f4i sao (T-25) \/ Phillips<\/td>\nKhung g\u1ed7<\/td>\nX\u00e2y d\u1ef1ng, m\u1ed9c<\/td>\n<\/tr>\n
\u1ed0c c\u1ed1 \u0111\u1ecbnh<\/td>\nL\u1ee5c gi\u00e1c b\u00ean trong \/ khe<\/td>\nGi\u1eef tr\u1ee5c<\/td>\nB\u00e1nh xe, v\u00f2ng, b\u00e1nh r\u0103ng<\/td>\n<\/tr>\n
\u1ed0c \u0111\u1ea7u ch\u1ed1t<\/td>\nL\u1ee5c gi\u00e1c b\u00ean trong<\/td>\nKh\u1edbp n\u1ed1i c\u00f3 t\u1ea3i tr\u1ecdng cao<\/td>\nKhu\u00f4n, thi\u1ebft b\u1ecb, th\u1ee7y l\u1ef1c<\/td>\n<\/tr>\n
Bu l\u00f4ng vai<\/td>\nL\u1ee5c gi\u00e1c b\u00ean trong<\/td>\nTr\u1ee5c xoay \/ h\u01b0\u1edbng d\u1eabn<\/td>\nD\u1ee5ng c\u1ee5, b\u1ed9 khu\u00f4n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Danh m\u1ee5c s\u1ea3n ph\u1ea9m \u0111i s\u00e2u h\u01a1n \u2014 v\u00edt m\u00e1y \u0111\u1ea7u ph\u1eb3ng cho l\u1eafp \u0111\u1eb7t ph\u1eb3ng tr\u00ean t\u1ea5m m\u1ecfng, v\u00edt kim lo\u1ea1i t\u1ea5m \u0111\u1ea7u b\u00edch cho kh\u1ea3 n\u0103ng ch\u1ed1ng rung, security screws<\/a> v\u1edbi c\u00e1c r\u00e3nh l\u00e1i k\u1ef3 l\u1ea1 \u2014 nh\u01b0ng ch\u00edn lo\u1ea1i n\u00e0y bao ph\u1ee7 ph\u1ea7n l\u1edbn kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t.<\/p>\n

\n

\u1ee8ng d\u1ee5ng trong ng\u00e0nh: N\u01a1i s\u1eed d\u1ee5ng bu l\u00f4ng v\u00e0 v\u00edt \u0111\u1ea1t ti\u00eau chu\u1ea9n s\u1ea3n xu\u1ea5t<\/h2>\n

M\u1ed7i s\u1ea3n ph\u1ea9m l\u1eafp r\u00e1p \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb nhi\u1ec1u m\u1ea3nh \u0111\u1ec1u s\u1eed d\u1ee5ng m\u1ed9t bu l\u00f4ng v\u00e0 v\u00edt \u1edf \u0111\u00e2u \u0111\u00f3 trong c\u1ea5u tr\u00fac c\u1ee7a n\u00f3.<\/strong> C\u00e2u h\u1ecfi th\u00fa v\u1ecb kh\u00f4ng ph\u1ea3i l\u00e0 ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf \u0111\u00e2u; m\u00e0 l\u00e0 c\u00e1ch \u1ee9ng d\u1ee5ng thay \u0111\u1ed5i th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/p>\n

\u00d4 t\u00f4 v\u00e0 M\u00e1y m\u00f3c h\u1ea1ng n\u1eb7ng<\/h3>\n

C\u00e1c c\u1ee5m \u00f4 t\u00f4 s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0n thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh cho m\u1ed7i xe, v\u00e0 h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 c\u00e1i n\u00e0o c\u00f3 th\u1ec3 thay th\u1ebf cho nhau. Bu l\u00f4ng \u0111\u1ea7u \u0111\u1ed9ng c\u01a1 l\u00e0 lo\u1ea1i s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n, c\u00f3 m\u00f4-men xo\u1eafn \u0111\u1ebfn gi\u1edbi h\u1ea1n, v\u00e0 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i cho t\u1ea3i nhi\u1ec7t chu k\u1ef3. Bu l\u00f4ng treo \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu c\u1eaft d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng. C\u00e1c thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh t\u1ea5m th\u00e2n \u0111\u01b0\u1ee3c ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n \u0111\u1ec3 ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a mu\u1ed1i \u0111\u01b0\u1eddng.<\/p>\n

Trong c\u00f4ng vi\u1ec7c cung c\u1ea5p cho ng\u01b0\u1eddi mua d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa bu l\u00f4ng xe h\u01a1i v\u00e0 bu l\u00f4ng xe t\u1ea3i th\u01b0\u01a1ng m\u1ea1i kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 k\u00edch th\u01b0\u1edbc \u2014 m\u00e0 l\u00e0 c\u1ea5p \u0111\u1ed9, h\u1ec7 th\u1ed1ng ph\u1ee7, v\u00e0 ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t d\u01b0\u1edbi \u0111\u1ea7u n\u01a1i t\u1ea1o ra t\u1ea3i tr\u01b0\u1edbc. M\u1ed9t l\u1edbp ph\u1ee7 sai c\u00f3 ngh\u0129a l\u00e0 m\u1ed1i t\u01b0\u01a1ng quan m\u00f4-men xo\u1eafn - c\u0103ng th\u1eb3ng kh\u00f4ng nh\u1ea5t qu\u00e1n, \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 y\u00eau c\u1ea7u b\u1ea3o h\u00e0nh.<\/p>\n

X\u00e2y d\u1ef1ng v\u00e0 Th\u00e9p c\u1ea5u tr\u00fac<\/h3>\n

C\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u tu\u00e2n theo ASTM F3125 (ti\u00eau chu\u1ea9n h\u1ee3p nh\u1ea5t bao g\u1ed3m A325 v\u00e0 A490). Theo danh m\u1ee5c ti\u00eau chu\u1ea9n b\u1ed9 ph\u1eadn ASTM<\/a>, m\u1ed7i c\u1ea5p \u0111\u1ed9 c\u00f3 c\u00e1c y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 v\u1ec1 l\u1ef1c k\u00e9o, l\u1ef1c ch\u1ea3y v\u00e0 t\u1ea3i tr\u1ecdng ki\u1ec3m tra m\u00e0 nh\u00e0 m\u00e1y ch\u1ee9ng nh\u1eadn theo t\u1eebng l\u00f4.<\/p>\n

C\u00e1c \u0111\u1ed9i ng\u0169 hi\u1ec7n tr\u01b0\u1eddng th\u01b0\u1eddng kh\u00f4ng si\u1ebft ch\u1eb7t c\u00e1c bu l\u00f4ng c\u1ea5u tr\u00fac \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb t\u00ednh to\u00e1n. H\u1ecd s\u1eed d\u1ee5ng c\u00e1c v\u00f2ng \u0111\u1ec7m ch\u1ec9 s\u1ed1 c\u0103ng, xoay \u0111ai \u1ed1c, ho\u1eb7c ch\u1ec9 s\u1ed1 c\u0103ng tr\u1ef1c ti\u1ebfp \u2014 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u00e1c minh l\u1ef1c k\u1eb9p<\/a> m\u00e0 kh\u00f4ng c\u1ea7n m\u1ed9t c\u1edd l\u00ea m\u00f4 men \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n trong m\u01b0a. \u0110\u00f3 l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn k\u1ef9 thu\u1eadt c\u00f3 ch\u1ee7 \u00fd: m\u00f4 men l\u00e0 m\u1ed9t \u0111\u1ea1i di\u1ec7n k\u00e9m cho l\u1ef1c c\u0103ng khi ma s\u00e1t thay \u0111\u1ed5i, \u0111i\u1ec1u n\u00e0y lu\u00f4n x\u1ea3y ra tr\u00ean c\u00f4ng tr\u01b0\u1eddng.<\/p>\n

\u0110i\u1ec7n t\u1eed, Thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 H\u00e0ng ti\u00eau d\u00f9ng<\/h3>\n

\u0110\u1ea7u kia c\u1ee7a thang \u0111o: c\u00e1c v\u00edt m\u00e1y M2, M2.5 v\u00e0 M3 gi\u1eef b\u1ea3ng m\u1ea1ch, m\u00e0n h\u00ecnh v\u00e0 v\u1ecf nh\u1ef1a. Kh\u1ed1i l\u01b0\u1ee3ng r\u1ea5t l\u1edbn, chi ph\u00ed m\u1ed7i chi\u1ebfc ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a \u0111\u1ed3ng xu, nh\u01b0ng y\u00eau c\u1ea7u v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng th\u00ec r\u1ea5t kh\u1eaft khe. M\u1ed9t v\u00edt m\u00e1y v\u1edbi \u0111\u1ea7u b\u1ecb bi\u1ebfn d\u1ea1ng c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng \u0111\u1ea7u bit c\u1ee7a robot v\u00e0 d\u1eebng to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n.<\/p>\n

C\u00e1c ng\u01b0\u1eddi mua s\u1ea3n xu\u1ea5t trong l\u0129nh v\u1ef1c n\u00e0y kh\u00f4ng ch\u1ec9 quan t\u00e2m \u0111\u1ebfn ch\u00ednh chi\u1ebfc v\u00edt \u2014 h\u1ecd c\u00f2n quan t\u00e2m \u0111\u1ebfn bao b\u00ec (b\u0103ng v\u00e0 cu\u1ed9n cho c\u00e1c b\u1ed9 c\u1ea5p t\u1ef1 \u0111\u1ed9ng), t\u00ednh nh\u1ea5t qu\u00e1n h\u00ecnh h\u1ecdc c\u1ee7a \u0111\u1ea7u v\u00edt (\u0111\u1ec3 \u0111\u1ea7u bit kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t ra ngo\u00e0i), v\u00e0 \u0111\u1ed9 cao c\u1ee7a \u0111\u1ea7u v\u00edt (b\u1edfi v\u00ec s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n ph\u1ea3i kh\u00edt l\u1ea1i).<\/p>\n

\n

C\u00e1ch Ch\u1ecdn Bu L\u00f4ng v\u00e0 V\u00edt Ph\u00f9 H\u1ee3p (Kh\u00f4ng Chi Ti\u00eau Qu\u00e1 Nhi\u1ec1u)<\/h2>\n

H\u1ea7u h\u1ebft c\u00e1c c\u1ee5m l\u1eafp r\u00e1p qu\u00e1 ti\u00eau chu\u1ea9n m\u00e0 ch\u00fang t\u00f4i ki\u1ec3m tra c\u00f3 m\u1ed9t \u0111i\u1ec3m chung: ai \u0111\u00f3 \u0111\u00e3 ch\u1ecdn m\u1ed9t bu l\u00f4ng c\u1ea5p 8 v\u00ec c\u1ea5p 8 nghe c\u00f3 v\u1ebb an to\u00e0n h\u01a1n c\u1ea5p 5. N\u00f3 kh\u00f4ng an to\u00e0n h\u01a1n. N\u00f3 c\u1ee9ng h\u01a1n v\u00e0 gi\u00f2n h\u01a1n, v\u00e0 trong m\u1ed9t m\u1ed1i n\u1ed1i ch\u1ecbu t\u1ea3i rung, n\u00f3 th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng k\u00e9m h\u01a1n so v\u1edbi c\u1ea5p th\u1ea5p h\u01a1n m\u00e0 n\u00f3 thay th\u1ebf. Vi\u1ec7c ch\u1ecdn m\u1ed9t b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i l\u00e0 m\u1ed9t s\u1ef1 c\u00e2n b\u1eb1ng, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t b\u00e0i t\u1eadp t\u1ed1i \u0111a h\u00f3a.<\/p>\n

\"C\u00e1c<\/figure>\n

B\u01b0\u1edbc 1 \u2014 X\u00e1c \u0111\u1ecbnh T\u1ea3i Tr\u1ecdng<\/h3>\n

Ba lo\u1ea1i t\u1ea3i tr\u1ecdng quan tr\u1ecdng: tension<\/strong> (k\u00e9o m\u1ed1i n\u1ed1i ra xa), shear<\/strong> (tr\u01b0\u1ee3t m\u1ed9t t\u1ea5m l\u00ean t\u1ea5m kh\u00e1c), v\u00e0 m\u1ecfi<\/strong> (t\u1ea3i tr\u1ecdng chu k\u1ef3 t\u1eeb rung \u0111\u1ed9ng ho\u1eb7c chu k\u1ef3 nhi\u1ec7t). H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft n\u1ed1i th\u1ea5t b\u1ea1i do m\u1ecfi, kh\u00f4ng ph\u1ea3i do qu\u00e1 t\u1ea3i t\u0129nh. \u0110i\u1ec1u \u0111\u00f3 thay \u0111\u1ed5i danh s\u00e1ch \u01b0u ti\u00ean.<\/p>\n

\u0110\u1ed1i v\u1edbi t\u1ea3i tr\u1ecdng c\u0103ng t\u0129nh, c\u1ea5p \u0111\u1ed9 v\u00e0 t\u1ea3i tr\u01b0\u1edbc l\u00e0 t\u1ea5t c\u1ea3. \u0110\u1ed1i v\u1edbi t\u1ea3i c\u1eaft, \u0111\u01b0\u1eddng k\u00ednh bu l\u00f4ng v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t c\u1ee7a n\u00f3 (ch\u1eb7t v\u1eeba ph\u1ea3i so v\u1edbi quan tr\u1ecdng tr\u01b0\u1ee3t) quan tr\u1ecdng h\u01a1n c\u1ea5p \u0111\u1ed9. \u0110\u1ed1i v\u1edbi m\u1ecfi, b\u1ea1n th\u1ef1c s\u1ef1 mu\u1ed1n m\u1ed9t bu l\u00f4ng c\u1ea5p th\u1ea5p h\u01a1n, d\u1ebbo h\u01a1n v\u1edbi m\u1ed9t t\u1ea3i tr\u01b0\u1edbc \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 l\u00fd t\u01b0\u1edfng l\u00e0 c\u00e1c ren \u0111\u01b0\u1ee3c cu\u1ed9n (kh\u00f4ng ph\u1ea3i c\u1eaft) \u2014 c\u00f4ng vi\u1ec7c \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a tr\u00ean t\u00e0i nguy\u00ean Khoa h\u1ecdc Bu l\u00f4ng v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 l\u1ecfng<\/a> l\u00e0 t\u00e0i li\u1ec7u tham kh\u1ea3o c\u00f4ng khai r\u00f5 r\u00e0ng nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i bi\u1ebft v\u1ec1 ch\u1ebf \u0111\u1ed9 th\u1ea5t b\u1ea1i n\u00e0y.<\/p>\n

B\u01b0\u1edbc 2 \u2014 Kh\u1edbp C\u1ea5p \u0110\u1ed9 v\u00e0 V\u1eadt Li\u1ec7u<\/h3>\n

Th\u00e9p carbon c\u1ea5p 5 (SAE J429) ho\u1eb7c l\u1edbp 8.8 (ISO 898) bao ph\u1ee7 ph\u1ea7n l\u1edbn c\u00f4ng vi\u1ec7c c\u01a1 kh\u00ed \u0111a m\u1ee5c \u0111\u00edch. C\u1ea5p 8 \/ l\u1edbp 10.9 mang l\u1ea1i cho b\u1ea1n s\u1ee9c m\u1ea1nh k\u00e9o cao h\u01a1n v\u1edbi chi ph\u00ed d\u1ebbo h\u01a1n. Th\u00e9p kh\u00f4ng g\u1ec9 A2 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 304) ho\u1eb7c A4 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 316) x\u1eed l\u00fd \u0103n m\u00f2n nh\u01b0ng c\u00f3 \u0111\u1ed9 ch\u1ea3y th\u1ea5p h\u01a1n so v\u1edbi th\u00e9p carbon c\u00f9ng c\u1ea5p \u2014 m\u1ed9t th\u1ef1c t\u1ebf g\u00e2y kh\u00f3 kh\u0103n cho c\u00e1c \u0111\u1ed9i ng\u0169 thay th\u1ebf th\u00e9p kh\u00f4ng g\u1ec9 m\u1ed9t \u0111\u1ed5i m\u1ed9t v\u00e0 cu\u1ed1i c\u00f9ng g\u1eb7p ph\u1ea3i ren b\u1ecb tr\u01b0\u1ee3t.<\/p>\n

N\u1eafp \u1ed1ng th\u00e9p h\u1ee3p kim lo\u1ea1i \u1edf c\u1ea5p \u0111\u1ed9 12.9 r\u1ea5t h\u1eefu \u00edch cho c\u00e1c m\u1ed1i n\u1ed1i c\u00f3 t\u1ea3i tr\u1ecdng cao trong kh\u00f4ng gian ch\u1eadt h\u1eb9p. C\u00e1c lo\u1ea1i bu l\u00f4ng b\u1eb1ng nh\u00f4m, \u0111\u1ed3ng v\u00e0 nylon t\u1ed3n t\u1ea1i \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng, d\u1eabn \u0111i\u1ec7n ho\u1eb7c c\u00e1ch \u0111i\u1ec7n - m\u1eb7c d\u00f9 l\u00e0 ng\u00e1ch nh\u01b0ng r\u1ea5t quan tr\u1ecdng.<\/p>\n

B\u01b0\u1edbc 3 - Ch\u1ecdn \u0110\u1ea7u, L\u00e1i v\u00e0 Chi\u1ec1u D\u00e0i \u0110\u00fang<\/h3>\n

Ki\u1ec3u \u0111\u1ea7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi h\u00ecnh h\u1ecdc c\u1ee7a m\u1ed1i n\u1ed1i: b\u1ea1n c\u00f3 y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ph\u1eb3ng (\u0111\u1ea7u ph\u1eb3ng), v\u1ea5n \u0111\u1ec1 kho\u1ea3ng c\u00e1ch (\u0111\u1ea7u n\u00fat th\u1ea5p ho\u1eb7c \u0111\u1ea7u ch\u1ea3o), hay c\u1ea7n l\u1eafp r\u00e1p nhi\u1ec1u l\u1ea7n (n\u1eafp \u1ed1ng l\u1ee5c gi\u00e1c v\u1edbi \u0111\u1ea7u s\u1ea1ch kh\u00f4ng b\u1ecb tr\u01b0\u1ee3t)?<\/p>\n

Chi\u1ec1u d\u00e0i \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n, kh\u00f4ng ph\u1ea3i \u0111o\u00e1n. Quy t\u1eafc chung: bu l\u00f4ng ho\u1eb7c v\u00edt n\u00ean g\u1eafn \u00edt nh\u1ea5t m\u1ed9t \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a c\u1ee7a ren v\u00e0o v\u1eadt li\u1ec7u g\u1ed1c \u0111\u1ed1i v\u1edbi th\u00e9p, 1.5 \u0111\u1ebfn 2 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ed1i v\u1edbi nh\u00f4m, v\u00e0 2 \u0111\u1ebfn 3 \u0111\u01b0\u1eddng k\u00ednh \u0111\u1ed1i v\u1edbi nh\u1ef1a. Chi\u1ec1u d\u00e0i qu\u00e1 m\u1ee9c s\u1ebd nh\u00f4 ra ngo\u00e0i \u0111ai \u1ed1c v\u00e0 tr\u00f4ng kh\u00f4ng chuy\u00ean nghi\u1ec7p; chi\u1ec1u d\u00e0i qu\u00e1 ng\u1eafn s\u1ebd l\u00e0m tr\u01b0\u1ee3t ren.<\/p>\n

Nh\u1eefng Sai L\u1ea7m Th\u01b0\u1eddng G\u1eb7p Khi Ch\u1ecdn Bu L\u00f4ng v\u00e0 V\u00edt M\u00e0 Ch\u00fang T\u00f4i Th\u1ea5y T\u1ea1i Nh\u00e0 M\u00e1y<\/h3>\n