{"id":3653,"date":"2026-05-05T14:39:10","date_gmt":"2026-05-05T14:39:10","guid":{"rendered":"https:\/\/productionscrews.com\/self-locking-nut\/"},"modified":"2026-05-05T14:39:10","modified_gmt":"2026-05-05T14:39:10","slug":"self-locking-nut","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/self-locking-nut\/","title":{"rendered":"\u1ed0c v\u00edt t\u1ef1 kh\u00f3a: C\u00e1c lo\u1ea1i, Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng & H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn"},"content":{"rendered":"
\n

\u1ed0c v\u00edt t\u1ef1 kh\u00f3a l\u00e0 m\u1ed9t lo\u1ea1i \u1ed1c v\u00edt \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ed1ng l\u1ecfng l\u1ebbo d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a rung \u0111\u1ed9ng, s\u1ed1c ho\u1eb7c t\u1ea3i \u0111\u1ed9ng b\u1eb1ng c\u00e1ch t\u1ea1o ra ma s\u00e1t gi\u1eefa ren c\u1ee7a \u1ed1c v\u00edt v\u00e0 \u0111ai \u1ed1c th\u00f4ng qua m\u1ed9t mi\u1ebfng ch\u00e8n nylon ho\u1eb7c s\u1ef1 bi\u1ebfn d\u1ea1ng ki\u1ec3m so\u00e1t c\u1ee7a th\u00e2n \u1ed1c.<\/strong><\/p>\n<\/blockquote>\n

M\u1ed7i m\u1ed1i n\u1ed1i b\u1eaft v\u00edt cu\u1ed1i c\u00f9ng \u0111\u1ec1u s\u1ebd b\u1ecb h\u1ecfng. Nh\u1eefng m\u1ed1i h\u1ecfng nhanh nh\u1ea5t l\u00e0 nh\u1eefng m\u1ed1i \u0111\u01b0\u1ee3c gi\u1eef b\u1eb1ng \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n, cho ph\u00e9p rung \u0111\u1ed9ng t\u1eeb t\u1eeb l\u00e0m l\u1ecfng li\u00ean k\u1ebft ren cho \u0111\u1ebfn khi l\u1ef1c si\u1ebft m\u1ea5t \u0111i \u2014 \u0111\u00f4i khi y\u00ean l\u1eb7ng, \u0111\u00f4i khi g\u00e2y th\u1ea3m h\u1ecda. N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c trong l\u1eafp r\u00e1p \u00f4 t\u00f4, m\u00e1y m\u00f3c n\u1eb7ng ho\u1eb7c b\u1ea5t k\u1ef3 m\u00f4i tr\u01b0\u1eddng n\u00e0o c\u00f3 rung \u0111\u1ed9ng thi\u1ebft b\u1ecb, \u1ed1c v\u00edt t\u1ef1 kh\u00f3a l\u00e0 m\u1ed9t trong nh\u1eefng n\u00e2ng c\u1ea5p \u0111\u1ed9 tin c\u1eady ti\u1ebft ki\u1ec7m chi ph\u00ed nh\u1ea5t. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa nyloc v\u00e0 \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c th\u01b0\u1eddng l\u00e0 v\u00e0i xu. S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 tu\u1ed5i th\u1ecd c\u1ee7a m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 \u0111o b\u1eb1ng n\u0103m.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u1ed1c v\u00edt t\u1ef1 kh\u00f3a \u1edf c\u1ea5p \u0111\u1ed9 c\u01a1 h\u1ecdc, t\u1eebng lo\u1ea1i ch\u00ednh v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang, c\u00e1ch ch\u1ecdn thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, v\u00e0 nh\u1eefng sai l\u1ea7m trong l\u1eafp \u0111\u1eb7t l\u00e0m r\u00fat ng\u1eafn tu\u1ed5i th\u1ecd d\u1ecbch v\u1ee5. \u0110\u1ebfn cu\u1ed1i, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t khung ph\u00e2n lo\u1ea1i r\u00f5 r\u00e0ng \u0111\u1ec3 ch\u1ec9 \u0111\u1ecbnh \u1ed1c v\u00edt t\u1ef1 kh\u00f3a trong c\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t \u2014 v\u00e0 danh s\u00e1ch ng\u1eafn h\u01a1n c\u00e1c l\u1ed7i m\u1ed1i n\u1ed1i c\u1ea7n kh\u1eafc ph\u1ee5c.<\/p>\n

\"\u0111ai<\/p>\n

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\u1ed0c v\u00edt t\u1ef1 kh\u00f3a l\u00e0 g\u00ec?<\/h2>\n

\u1ed0c v\u00edt t\u1ef1 kh\u00f3a \u2014 c\u00f2n g\u1ecdi l\u00e0 \u1ed1c v\u00edt m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i, \u1ed1c v\u00edt c\u1ee9ng ho\u1eb7c locknut \u2014 duy tr\u00ec v\u1ecb tr\u00ed si\u1ebft ch\u1eb7t tr\u00ean m\u1ed9t chi\u1ebfc v\u00edt m\u00e0 kh\u00f4ng d\u1ef1a ho\u00e0n to\u00e0n v\u00e0o ma s\u00e1t t\u1eeb b\u1ec1 m\u1eb7t ch\u1ecbu l\u1ef1c.<\/strong><\/p>\n

C\u00e1c lo\u1ea1i \u0111ai \u1ed1c ti\u00eau chu\u1ea9n d\u1ef1a v\u00e0o \u0111i\u1ec1u m\u00e0 c\u00e1c k\u1ef9 s\u01b0 g\u1ecdi l\u00e0 \u201cma s\u00e1t b\u1ec1 m\u1eb7t ch\u1ecbu l\u1ef1c\u201d v\u00e0 \u201cma s\u00e1t ren\u201d \u0111\u1ec3 gi\u1eef c\u1ed1 \u0111\u1ecbnh. Si\u1ebft ch\u1eb7t \u0111ai \u1ed1c \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 n\u00e9n ph\u00f9 h\u1ee3p, v\u00e0 hai l\u1ef1c ma s\u00e1t n\u00e0y gi\u1eef cho n\u00f3 kh\u00f4ng quay ng\u01b0\u1ee3c l\u1ea1i. \u0110i\u1ec1u n\u00e0y ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong \u0111i\u1ec1u ki\u1ec7n t\u0129nh. Th\u00eam rung \u0111\u1ed9ng \u2014 th\u1eadm ch\u00ed rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 th\u1ea5p, bi\u00ean \u0111\u1ed9 th\u1ea5p do \u0111\u1ed9ng c\u01a1 diesel ch\u1ea1y kh\u00f4ng t\u1ea3i t\u1ea1o ra \u2014 v\u00e0 c\u00e1c b\u1ec1 m\u1eb7t ren tr\u01b0\u1ee3t vi m\u00f4 m\u1ed7i chu k\u1ef3. Qua h\u00e0ng ngh\u00ecn chu k\u1ef3, \u0111ai \u1ed1c l\u00f9i l\u1ea1i m\u1ed9t ch\u00fat v\u00e0 l\u1ef1c si\u1ebft b\u1ecb m\u1ea5t d\u1ea7n.<\/p>\n

\u1ed0c v\u00edt t\u1ef1 kh\u00f3a ph\u00e1 v\u1ee1 ch\u1ebf \u0111\u1ed9 h\u1ecfng \u0111\u00f3 b\u1eb1ng c\u00e1ch gi\u1edbi thi\u1ec7u m\u1ed9t c\u01a1 ch\u1ebf ch\u1ed1ng l\u1ea1i th\u1ee9 ba: m\u00f4-men xo\u1eafn gi\u1eef m\u00f4-men xo\u1eafn<\/strong>. M\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i l\u00e0 l\u1ef1c ch\u1ed1ng quay \u0111o \u0111\u01b0\u1ee3c t\u1ed3n t\u1ea1i ngay c\u1ea3 khi \u0111ai \u1ed1c ch\u01b0a ch\u1ecbu t\u00e1c d\u1ee5ng c\u1ee7a b\u1ea5t k\u1ef3 b\u1ec1 m\u1eb7t n\u00e0o. B\u1ea1n c\u1ea3m nh\u1eadn \u0111\u01b0\u1ee3c khi b\u1eaft \u0111\u1ea7u xo\u00e1y nyloc v\u00e0o v\u00edt: c\u00f3 ma s\u00e1t ngay c\u1ea3 khi kh\u00f4ng c\u00f3 t\u1ea3i t\u00e1c d\u1ee5ng. L\u1ef1c n\u00e0y \u0111\u1ebfn t\u1eeb m\u1ed9t mi\u1ebfng ch\u00e8n phi kim lo\u1ea1i ho\u1eb7c m\u1ed9t \u0111o\u1ea1n ren b\u1ecb bi\u1ebfn d\u1ea1ng, v\u00e0 \u0111\u00f3 l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a b\u1ea5t k\u1ef3 \u1ed1c v\u00edt t\u1ef1 kh\u00f3a n\u00e0o.<\/p>\n

C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a M\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i<\/h3>\n

Khi \u1ed1c v\u00edt t\u1ef1 kh\u00f3a c\u00f3 mi\u1ebfng ch\u00e8n nylon ti\u1ebfp x\u00fac v\u1edbi v\u00edt, c\u00e1c ren c\u1ee7a v\u00edt c\u1eaft v\u00e0o v\u00f2ng c\u1ed5 nylon. Nylon b\u1ecb bi\u1ebfn d\u1ea1ng li\u00ean t\u1ee5c \u0111\u1ea9y ng\u01b0\u1ee3c l\u1ea1i c\u00e1c ren c\u1ee7a v\u00edt b\u1eb1ng l\u1ef1c \u0111\u00e0n h\u1ed3i. Th\u00e1o v\u00edt ra, nylon s\u1ebd ph\u1ee5c h\u1ed3i m\u1ed9t ph\u1ea7n \u2014 nh\u01b0ng s\u1ef1 v\u1eeba kh\u00edt g\u00e2y nhi\u1ec5u m\u1edbi l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng khi m\u1ed1i n\u1ed1i \u0111ang ch\u1ecbu t\u1ea3i.<\/p>\n

T\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u1ed1c v\u00edt t\u1ef1 kh\u00f3a b\u1eb1ng kim lo\u1ea1i t\u1ea1o ra m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i theo c\u00e1ch kh\u00e1c: m\u1ed9t ph\u1ea7n c\u1ee7a \u0111ai \u1ed1c b\u1ecb bi\u1ebfn d\u1ea1ng c\u00f3 ch\u1ee7 \u00fd \u2014 ho\u1eb7c b\u1ecb \u00e9p oval, b\u1ecb \u0111\u00f3ng ch\u1eb7t v\u00e0o trong, ho\u1eb7c c\u00f3 m\u1ed9t b\u01b0\u1edbc kh\u00e1c \u2014 \u0111\u1ec3 c\u00e1c ren c\u1ee7a v\u00edt ph\u1ea3i c\u1eaft qua m\u1ed9t v\u00f9ng kh\u00f4ng kh\u1edbp ho\u00e0n to\u00e0n. L\u1ef1c ma s\u00e1t kim lo\u1ea1i t\u1ea1o ra cao h\u01a1n nylon tr\u00ean m\u1ed7i di\u1ec7n t\u00edch v\u00e0 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 ph\u00e1 h\u1ee7y nylon. Th\u1ecfa thu\u1eadn l\u00e0 c\u00e1c \u0111ai \u1ed1c kim lo\u1ea1i th\u01b0\u1eddng g\u00e2y h\u01b0 h\u1ecfng v\u00edt c\u1ee7a ch\u00fang nhi\u1ec1u h\u01a1n qua c\u00e1c chu k\u1ef3 l\u1eb7p l\u1ea1i.<\/p>\n

Trong c\u1ea3 hai thi\u1ebft k\u1ebf, l\u01b0\u1ee3ng \u0111o l\u01b0\u1eddng ch\u00ednh l\u00e0 m\u00f4-men xo\u1eafn gi\u1eef m\u00f4-men xo\u1eafn<\/strong> \u0111\u01a1n v\u1ecb Newton-m\u00e9t. C\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf quy \u0111\u1ecbnh gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i t\u1ed1i thi\u1ec3u cho t\u1eebng k\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea5p \u0111\u1ed9. DIN 985 (ch\u1ee9a mi\u1ebfng ch\u00e8n nylon) v\u00e0 DIN 980 (to\u00e0n kim lo\u1ea1i) \u0111\u1ec1u quy \u0111\u1ecbnh ph\u1ea1m vi m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i; m\u1ed9t \u0111ai \u1ed1c th\u1ea5p h\u01a1n m\u1ee9c t\u1ed1i thi\u1ec3u \u0111\u01b0\u1ee3c coi l\u00e0 th\u1ea5t b\u1ea1i trong ch\u1ee9c n\u0103ng kh\u00f3a ngay c\u1ea3 khi c\u00e1c ren c\u00f2n nguy\u00ean v\u1eb9n.<\/p>\n

\u1ed0c v\u00edt t\u1ef1 kh\u00f3a so v\u1edbi \u0111ai \u1ed1c ti\u00eau chu\u1ea9n<\/h3>\n

S\u1ef1 kh\u00e1c bi\u1ec7t kh\u00f4ng ch\u1ec9 v\u1ec1 v\u1eadt li\u1ec7u. \u0110\u00f3 l\u00e0 tri\u1ebft l\u00fd thi\u1ebft k\u1ebf: \u0111ai \u1ed1c ti\u00eau chu\u1ea9n ho\u00e0n to\u00e0n d\u1ef1a v\u00e0o ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t \u00e1p d\u1ee5ng \u0111\u1ee7 l\u1ef1c n\u00e9n; \u1ed1c v\u00edt t\u1ef1 kh\u00f3a gi\u1ea3 \u0111\u1ecbnh l\u1ef1c n\u00e9n s\u1ebd gi\u1ea3m \u0111i v\u00e0 b\u1ed5 sung m\u1ed9t c\u01a1 ch\u1ebf ch\u1ed1ng l\u1ea1i l\u1ef1c c\u1ea3n \u0111\u1ed9c l\u1eadp.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n\u1ed0c v\u00edt h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n<\/th>\n\u1ed0c v\u00edt t\u1ef1 kh\u00f3a<\/th>\n<\/tr>\n<\/thead>\n
Kh\u00e1ng rung<\/td>\nTh\u1ea5p \u2014 ch\u1ec9 d\u1ef1a v\u00e0o l\u1ef1c n\u00e9n<\/td>\nCao \u2014 m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i \u0111\u1ed9c l\u1eadp v\u1edbi l\u1ef1c n\u00e9n<\/td>\n<\/tr>\n
T\u00e1i s\u1eed d\u1ee5ng<\/td>\nKh\u00f4ng gi\u1edbi h\u1ea1n n\u1ebfu ren c\u00f2n nguy\u00ean<\/td>\nH\u1ea1n ch\u1ebf (nylon) \/ trung b\u00ecnh (to\u00e0n kim lo\u1ea1i)<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a ho\u1ea1t \u0111\u1ed9ng<\/td>\n~400\u00b0C (t\u00f9y theo lo\u1ea1i)<\/td>\n~120\u00b0C nylon, ~300\u00b0C+ to\u00e0n kim lo\u1ea1i<\/td>\n<\/tr>\n
L\u1ef1c si\u1ebft l\u1eafp \u0111\u1eb7t<\/td>\nTh\u1ea5p h\u01a1n \u2014 gi\u00e1 tr\u1ecb l\u1ef1c si\u1ebft ti\u00eau chu\u1ea9n<\/td>\nCao h\u01a1n \u2014 ph\u1ea3i v\u01b0\u1ee3t qua l\u1ef1c si\u1ebft hi\u1ec7n h\u00e0nh<\/td>\n<\/tr>\n
Chi ph\u00ed<\/td>\nTh\u1ea5p<\/td>\nTrung b\u00ecnh (1.5\u20134\u00d7 hex ti\u00eau chu\u1ea9n)<\/td>\n<\/tr>\n
H\u01b0 h\u1ecfng ren tr\u00ean bu l\u00f4ng<\/td>\nT\u1ed1i thi\u1ec3u<\/td>\nTrung b\u00ecnh (c\u00e1c lo\u1ea1i to\u00e0n kim lo\u1ea1i)<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng<\/td>\nT\u1ea3i t\u0129nh, m\u1ed1i n\u1ed1i k\u00edn<\/td>\nRung, s\u1ed1c, t\u1ea3i \u0111\u1ed9ng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

C\u00e1c lo\u1ea1i \u0111ai \u1ed1c t\u1ef1 kh\u00f3a<\/h2>\n

C\u00e1c lo\u1ea1i \u0111ai \u1ed1c t\u1ef1 kh\u00f3a chia th\u00e0nh hai nh\u00f3m ch\u00ednh \u2014 lo\u1ea1i ch\u00e8n kh\u00f4ng kim lo\u1ea1i v\u00e0 lo\u1ea1i to\u00e0n kim lo\u1ea1i \u2014 v\u1edbi nhi\u1ec1u bi\u1ebfn th\u1ec3 trong m\u1ed7i nh\u00f3m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u v\u1ec1 nhi\u1ec7t \u0111\u1ed9, t\u1ea3i tr\u1ecdng v\u00e0 t\u00e1i s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/strong><\/p>\n

Hi\u1ec3u r\u00f5 ma tr\u1eadn lo\u1ea1i l\u00e0 th\u1ef1c t\u1ebf v\u00ec vi\u1ec7c ch\u1ec9 \u0111\u1ecbnh sai lo\u1ea1i trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c si\u1ebft qu\u00e1 ch\u1eb7t m\u1ed9t lo\u1ea1i nyloc trong v\u1ecf nh\u00f4m d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7i d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch c\u00e1c lo\u1ea1i ph\u00f9 h\u1ee3p v\u1edbi s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n

\"\u0111ai<\/p>\n

\u1ed0c h\u00e3m ch\u00e8n nylon (Nyloc \/ DIN 985)<\/h3>\n

C\u00e1c nyloc<\/strong> \u2014 vi\u1ebft t\u1eaft c\u1ee7a nylon lock nut \u2014 l\u00e0 lo\u1ea1i \u0111ai \u1ed1c t\u1ef1 kh\u00f3a ph\u1ed5 bi\u1ebfn nh\u1ea5t trong s\u1ea3n xu\u1ea5t chung. M\u1ed9t v\u00f2ng c\u1ed5 b\u1eb1ng nylon nh\u00f4 ra m\u1ed9t ch\u00fat ph\u00eda d\u01b0\u1edbi th\u00e2n \u0111ai \u1ed1c. Khi l\u1eafp v\u00e0o bu l\u00f4ng, nylon bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i quanh ren c\u1ee7a bu l\u00f4ng v\u00e0 t\u1ea1o ra l\u1ef1c si\u1ebft \u1ed5n \u0111\u1ecbnh.<\/p>\n

T\u1ea1i sao k\u1ef9 s\u01b0 ch\u1ecdn nyloc:<\/strong> Ph\u1ea7n ch\u00e8n nylon nh\u1eb9 nh\u00e0ng tr\u00ean ren bu l\u00f4ng. B\u1ea1n c\u00f3 th\u1ec3 th\u00e1o nyloc m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng bu l\u00f4ng, v\u00e0 bu l\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00f4 h\u1ea1n. Ch\u00ednh nyloc l\u00e0 d\u00f9ng m\u1ed9t l\u1ea7n ho\u1eb7c h\u1ea1n ch\u1ebf t\u00e1i s\u1eed d\u1ee5ng \u2014 nylon ph\u1ee5c h\u1ed3i m\u1ed9t ph\u1ea7n nh\u01b0ng m\u00f4 men xo\u1eafn v\u01b0\u1ee3t qua gi\u1ea3m d\u1ea7n theo m\u1ed7i l\u1ea7n th\u00e1o ra.<\/p>\n

Theo c\u01a1 h\u1ecdc k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c ghi ch\u00e9p r\u00f5 r\u00e0ng trong c\u1ed9ng \u0111\u1ed3ng AskEngineers<\/a>, v\u00f2ng nylon b\u1ecb \u00e9p trong \u0111ai \u1ed1c b\u1ecb bi\u1ebfn d\u1ea1ng b\u1edfi c\u00e1c ren c\u1ee7a bu l\u00f4ng v\u00e0 sau \u0111\u00f3 li\u00ean t\u1ee5c \u00e9p v\u00e0o c\u00e1c ren \u0111\u00f3 v\u1edbi l\u1ef1c ph\u1ee5c h\u1ed3i gi\u1ed1ng nh\u01b0 l\u00f2 xo \u2014 c\u01a1 ch\u1ebf l\u00e0m cho kh\u00f3a an to\u00e0n c\u00f3 hi\u1ec7u qu\u1ea3.<\/p>\n

H\u1ea1n ch\u1ebf ch\u00ednh:<\/em> \u0110ai \u1ed1c nyloc theo ti\u00eau chu\u1ea9n DIN 985 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c \u1edf kho\u1ea3ng 120\u00b0C. Tr\u00ean ng\u01b0\u1ee1ng \u0111\u00f3, nylon m\u1ec1m \u0111i, tr\u01b0\u1ee3t v\u00e0 m\u1ea5t ch\u1ee9c n\u0103ng kh\u00f3a. Trong khoang \u0111\u1ed9ng c\u01a1, c\u00e1c \u1ee9ng d\u1ee5ng g\u1ea7n \u1ed1ng x\u1ea3, ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ti\u1ec7t tr\u00f9ng, nyloc kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p.<\/p>\n

DIN 986 (\u0111ai \u1ed1c nyloc h\u00ecnh v\u00f2m):<\/strong> C\u01a1 ch\u1ebf ch\u00e8n nylon gi\u1ed1ng nhau, nh\u01b0ng ph\u1ea7n tr\u00ean c\u1ee7a \u0111ai \u1ed1c \u0111\u01b0\u1ee3c \u0111\u00f3ng k\u00edn b\u1eb1ng n\u1eafp h\u00ecnh v\u00f2m \u2014 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa \u0111ai \u1ed1c kh\u00f3a v\u00e0 \u0111ai \u1ed1c h\u00ecnh qu\u1ea3 acorn. S\u1eed d\u1ee5ng khi c\u1ea7n b\u1ea3o v\u1ec7 \u0111\u1ea7u ren c\u1ed9ng v\u1edbi kh\u00f3a, ph\u1ed5 bi\u1ebfn trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p ngo\u00e0i tr\u1eddi v\u00e0 h\u00e0ng h\u1ea3i.<\/p>\n

DIN 6926 (\u0111ai \u1ed1c nyloc c\u00f3 m\u1eb7t flange):<\/strong> M\u1ed9t lo\u1ea1i nyloc c\u00f3 \u0111\u1ec7m m\u1eb7t flange t\u00edch h\u1ee3p t\u1ea1i b\u1ec1 m\u1eb7t ch\u1ecbu l\u1ef1c. M\u1eb7t flange ph\u00e2n ph\u1ed1i l\u1ef1c si\u1ebft tr\u00ean di\u1ec7n t\u00edch l\u1edbn h\u01a1n \u2014 h\u1eefu \u00edch trong c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m nh\u01b0 nh\u1ef1a ho\u1eb7c nh\u00f4m, n\u01a1i \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n c\u00f3 th\u1ec3 l\u00e0m l\u00f5m b\u1ec1 m\u1eb7t.<\/p>\n

\u0110ai \u1ed1c t\u1ef1 kh\u00f3a b\u1eb1ng kim lo\u1ea1i ho\u00e0n to\u00e0n (DIN 980 \/ \u0110ai \u1ed1c Stover):<\/h3>\n

Khi nhi\u1ec7t \u0111\u1ed9, ti\u1ebfp x\u00fac h\u00f3a ch\u1ea5t ho\u1eb7c y\u00eau c\u1ea7u quy \u0111\u1ecbnh lo\u1ea1i tr\u1eeb nylon, \u0111ai \u1ed1c t\u1ef1 kh\u00f3a b\u1eb1ng kim lo\u1ea1i ho\u00e0n to\u00e0n l\u00e0 l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c. C\u00e1c \u0111ai \u1ed1c n\u00e0y \u0111\u1ea1t m\u00f4 men xo\u1eafn v\u01b0\u1ee3t qua th\u00f4ng qua m\u1ed9t ph\u1ea7n ren b\u1ecb bi\u1ebfn d\u1ea1ng \u2014 th\u01b0\u1eddng l\u00e0 2\u20133 v\u00f2ng ren tr\u00ean c\u00f9ng b\u1ecb \u00e9p oval ho\u1eb7c \u0111\u00f3ng ch\u1ed1t v\u00e0o trong, khi\u1ebfn bu l\u00f4ng ph\u1ea3i v\u01b0\u1ee3t qua m\u1ed9t l\u1ef1c c\u1ea3n ki\u1ec3m so\u00e1t.<\/p>\n

Nh\u01b0 \u0111\u00e3 ghi ch\u00e9p trong t\u1ed5ng quan v\u1ec1 \u0111ai \u1ed1c kh\u00f3a c\u1ee7a Wikipedia<\/a>, t\u1ea5t c\u1ea3 c\u00e1c \u0111ai \u1ed1c kh\u00f3a b\u1eb1ng kim lo\u1ea1i ho\u00e0n to\u00e0n th\u01b0\u1eddng t\u1ea1o ra m\u00f4 men xo\u1eafn v\u01b0\u1ee3t qua th\u00f4ng qua bi\u1ebfn d\u1ea1ng c\u1ee7a th\u00e2n \u0111ai \u1ed1c ho\u1eb7c h\u00ecnh d\u1ea1ng ren, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao n\u01a1i c\u00e1c ch\u00e8n kh\u00f4ng kim lo\u1ea1i s\u1ebd b\u1ecb suy gi\u1ea3m.<\/p>\n

DIN 980V \/ \u0110ai \u1ed1c Stover:<\/strong> \u0110\u00e2y l\u00e0 lo\u1ea1i \u0111ai \u1ed1c t\u1ef1 kh\u00f3a b\u1eb1ng kim lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 \u00f4 t\u00f4. Ph\u1ea7n tr\u00ean b\u1ecb bi\u1ebfn d\u1ea1ng oval. \u0110\u00e1ng tin c\u1eady \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1eeb 300\u2013450\u00b0C t\u00f9y theo c\u1ea5p v\u1eadt li\u1ec7u; c\u00e1c bi\u1ebfn th\u1ec3 th\u00e9p kh\u00f4ng g\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n.<\/p>\n

DIN 7967 (\u0111ai \u1ed1c PAL \/ \u0111ai \u1ed1c \u0111\u1ed1i tr\u1ecdng):<\/strong> M\u1ed9t lo\u1ea1i \u0111ai \u1ed1c b\u1eb1ng kim lo\u1ea1i m\u1ecfng, \u0111\u01b0\u1ee3c d\u1eadp d\u00f9ng l\u00e0m kh\u00f3a ph\u1ee5 tr\u00ean \u0111ai \u1ed1c ti\u00eau chu\u1ea9n. Gi\u00e1 th\u00e0nh r\u1ebb, nh\u01b0ng m\u00f4 men kh\u00f3a h\u1ea1n ch\u1ebf \u2014 ph\u00f9 h\u1ee3p cho t\u1ea3i nh\u1eb9 ho\u1eb7c n\u01a1i chi\u1ec1u s\u00e2u h\u1ea1n ch\u1ebf.<\/p>\n

\u0110ai \u1ed1c Aerotight (Philidas):<\/strong> S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p bi\u1ebfn d\u1ea1ng v\u00f2ng \u0111ai \u1ed1c c\u00f3 b\u1ea3n quy\u1ec1n \u0111\u1ec3 t\u1ea1o ra s\u1ef1 c\u1ea3n tr\u1edf ren. V\u00f9ng kh\u00f3a t\u00e1ch bi\u1ec7t kh\u1ecfi v\u00f9ng mang ren, cho ph\u00e9p m\u00f4 men kh\u00f3a c\u00f2n l\u1ea1i cao h\u01a1n sau khi t\u00e1i s\u1eed d\u1ee5ng so v\u1edbi c\u00e1c lo\u1ea1i kim lo\u1ea1i ho\u00e0n to\u00e0n ti\u00eau chu\u1ea9n. Th\u01b0\u1eddng d\u00f9ng trong h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 qu\u1ed1c ph\u00f2ng.<\/p>\n

\u1ed0c h\u00e3m (DIN 935) \/ \u1ed0c h\u00e3m r\u00e3nh:<\/strong> Kh\u00f4ng ph\u1ea3i thi\u1ebft k\u1ebf m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i. Nh\u1eefng \u1ed1c n\u00e0y kh\u00f3a b\u1eb1ng pin ch\u1ed1t ho\u1eb7c d\u00e2y an to\u00e0n qua l\u1ed7 khoan trong bu l\u00f4ng. Ch\u00fang l\u00e0 ti\u00eau chu\u1ea9n v\u00e0ng cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng quan tr\u1ecdng \u2014 pin cung c\u1ea5p kh\u00f3a c\u01a1 h\u1ecdc d\u01b0\u01a1ng t\u00ednh c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng. H\u1ea1n ch\u1ebf l\u00e0 l\u1ed7 ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi r\u00e3nh t\u1ea1i v\u1ecb tr\u00ed si\u1ebft ch\u1eb7t \u0111\u00fang.<\/p>\n

C\u00e1c lo\u1ea1i \u0111\u1eb7c bi\u1ec7t v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
Lo\u1ea1i<\/th>\nTi\u00eau chu\u1ea9n<\/th>\nPh\u01b0\u01a1ng ph\u00e1p kh\u00f3a<\/th>\nGi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9<\/th>\n\u1ee8ng d\u1ee5ng l\u00fd t\u01b0\u1edfng<\/th>\n<\/tr>\n<\/thead>\n
\u1ed0c hex Nyloc<\/td>\nDIN 985<\/td>\nCh\u00e8n nylon<\/td>\n~120\u00b0C<\/td>\nS\u1ea3n xu\u1ea5t chung, m\u00f4i tr\u01b0\u1eddng rung l\u1eafc<\/td>\n<\/tr>\n
Nyloc h\u00ecnh v\u00f2m<\/td>\nDIN 986<\/td>\nNylon ch\u00e8n + \u0111\u1ea7u k\u00edn<\/td>\n~120\u00b0C<\/td>\nH\u00e0ng h\u1ea3i, ph\u1ea7n c\u1ee9ng ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac<\/td>\n<\/tr>\n
Nyloc m\u1eb7t b\u00edch<\/td>\nDIN 6926<\/td>\nNylon + m\u1eb7t b\u00edch t\u00edch h\u1ee3p<\/td>\n~120\u00b0C<\/td>\nCh\u1ea5t n\u1ec1n m\u1ec1m, nh\u00f4m, nh\u1ef1a<\/td>\n<\/tr>\n
Hex kim lo\u1ea1i ho\u00e0n to\u00e0n (Stover)<\/td>\nDIN 980V<\/td>\nBi\u1ebfn d\u1ea1ng h\u00ecnh oval<\/td>\nH\u01a1n 300\u00b0C<\/td>\nNhi\u1ec7t \u0111\u1ed9 cao, kh\u00ed th\u1ea3i \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/td>\n<\/tr>\n
\u1ed1c PAL<\/td>\nDIN 7967<\/td>\n\u1ed0c h\u00e3m ch\u1ed1ng tr\u01b0\u1ee3t m\u1ecfng d\u1eadp<\/td>\n~300\u00b0C<\/td>\nKh\u00f3a ph\u1ee5, \u1ee9ng d\u1ee5ng ph\u1ea7n m\u1ecfng<\/td>\n<\/tr>\n
\u1ed0c l\u1ee5c gi\u00e1c\/\u1ed1c r\u0103ng c\u01b0a<\/td>\nDIN 935<\/td>\nCh\u1ed1t c\u1ea5y\/d\u00e2y an to\u00e0n<\/td>\nPh\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5p \u0111\u1ed9<\/td>\nH\u00e0ng kh\u00f4ng, c\u00e1c m\u1ed1i n\u1ed1i an to\u00e0n quan tr\u1ecdng<\/td>\n<\/tr>\n
Aerotight (Philidas)<\/td>\n\u2014<\/td>\nBi\u1ebfn d\u1ea1ng v\u00f2ng c\u1ed5<\/td>\n~400\u00b0C<\/td>\nH\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u1ed1c ph\u00f2ng, t\u00e1i s\u1eed d\u1ee5ng cao<\/td>\n<\/tr>\n
Cleveloc<\/td>\n\u2014<\/td>\nCan thi\u1ec7p v\u00f2ng c\u1ed5 r\u00e3nh<\/td>\n~250\u00b0C<\/td>\nC\u00f4ng nghi\u1ec7p chung, t\u00e1i s\u1eed d\u1ee5ng trung b\u00ecnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u1ee8ng d\u1ee5ng c\u1ee7a \u1ed1c h\u00e3m t\u1ef1 kh\u00f3a trong c\u00f4ng nghi\u1ec7p<\/h2>\n

\u1ed0c h\u00e3m t\u1ef1 kh\u00f3a xu\u1ea5t hi\u1ec7n trong h\u1ea7u h\u1ebft c\u00e1c l\u0129nh v\u1ef1c n\u01a1i c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng ch\u1ecbu t\u1ea3i \u0111\u1ed9ng \u2014 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, x\u00e2y d\u1ef1ng, \u0111i\u1ec7n t\u1eed v\u00e0 thi\u1ebft b\u1ecb n\u00f4ng nghi\u1ec7p \u0111\u1ec1u d\u1ef1a v\u00e0o ch\u00fang \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1ed1i n\u1ed1i d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng th\u1ef1c t\u1ebf.<\/strong><\/p>\n

\u1ed0c h\u00e3m t\u1ef1 kh\u00f3a kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn cao c\u1ea5p d\u00e0nh ri\u00eang cho c\u00e1c m\u1ed1i n\u1ed1i quan tr\u1ecdng. Trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, n\u00f3 l\u00e0 ti\u00eau chu\u1ea9n m\u1eb7c \u0111\u1ecbnh v\u00ec chi ph\u00ed th\u1ea5t b\u1ea1i c\u1ee7a m\u1ed1i n\u1ed1i \u2014 y\u00eau c\u1ea7u b\u1ea3o h\u00e0nh, th\u1eddi gian ch\u1ebft, tr\u00e1ch nhi\u1ec7m an to\u00e0n \u2014 v\u01b0\u1ee3t xa chi ph\u00ed b\u1ed5 sung c\u1ee7a \u1ed1c h\u00e3m so v\u1edbi \u1ed1c l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n.<\/p>\n

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

Trong l\u1eafp r\u00e1p \u00f4 t\u00f4, \u1ed1c h\u00e3m t\u1ef1 kh\u00f3a \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh cho c\u00e1c bu l\u00f4ng b\u00e1nh xe, th\u00e0nh ph\u1ea7n treo, gi\u00e1 \u0111\u1ee1 \u1ed1ng x\u1ea3 v\u00e0 gi\u00e1 \u0111\u1ee1 truy\u1ec1n \u0111\u1ed9ng. M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u2014 rung \u0111\u1ed9ng \u0111\u1ed9ng c\u01a1 li\u00ean t\u1ee5c, s\u1ed1c do \u0111\u01b0\u1eddng x\u00e1 g\u00e2y ra, chu k\u1ef3 nhi\u1ec7t \u2014 s\u1ebd l\u00e0m l\u1ecfng c\u00e1c \u1ed1c ti\u00eau chu\u1ea9n trong v\u00f2ng v\u00e0i th\u00e1ng.<\/p>\n

Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u1eafp r\u00e1p b\u00e1nh xe th\u01b0\u1eddng y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 c\u00e1c \u1ed1c h\u00e3m t\u1ef1 kh\u00f3a b\u1eb1ng kim lo\u1ea1i tr\u00ean c\u00e1c tr\u1ee5c quan tr\u1ecdng v\u00ec m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 g\u1ea7n rotor phanh v\u01b0\u1ee3t qu\u00e1 120\u00b0C th\u1ec9nh tho\u1ea3ng, lo\u1ea1i tr\u1eeb nyloc. C\u00e1c \u0111i\u1ec3m g\u1eafn treo, ch\u1ecbu t\u1ea3i \u0111\u1ed9ng li\u00ean t\u1ee5c, th\u01b0\u1eddng s\u1eed d\u1ee5ng nyloc d\u1ea1ng m\u1eb7t b\u00edch tr\u00ean c\u00e1c th\u00e0nh ph\u1ea7n khung ph\u1ee5 b\u1eb1ng nh\u00f4m \u2014 m\u1eb7t b\u00edch ph\u00e2n ph\u1ed1i l\u1ef1c si\u1ebft ch\u1eb7t v\u00e0 gi\u1ea3m v\u1ebft l\u00f5m tr\u00ean b\u1ec1 m\u1eb7t.<\/p>\n

Trong m\u00e1y m\u00f3c n\u1eb7ng \u2014 m\u00e1y x\u00fac, thi\u1ebft b\u1ecb khai th\u00e1c m\u1ecf, xe k\u00e9o n\u00f4ng nghi\u1ec7p \u2014 \u1ed1c h\u00e3m t\u1ef1 kh\u00f3a xu\u1ea5t hi\u1ec7n trong h\u1ea7u h\u1ebft c\u00e1c \u0111i\u1ec3m kh\u1edbp n\u1ed1i. M\u1ed9t ch\u1ed1t b\u1ecb g\u00e3y gi\u1eef b\u1edfi \u1ed1c l\u1ee5c gi\u00e1c tr\u01a1n tr\u01b0\u1ee3t ra l\u00e0 m\u1ed9t s\u1eeda ch\u1eefa t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng k\u00e9o d\u00e0i h\u00e0ng gi\u1edd v\u00e0 m\u1ea5t h\u00e0ng ngh\u00ecn \u0111\u00f4 la ti\u1ec1n c\u00f4ng. \u1ed0c nyloc ho\u1eb7c Stover ch\u1ec9 \u0111\u1eaft h\u01a1n v\u00e0i xu trong giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t.<\/p>\n

H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 h\u00e0ng kh\u00f4ng<\/h3>\n

Ti\u00eau chu\u1ea9n \u1ed1c v\u00edt h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 l\u00e0 kh\u1eaft khe nh\u1ea5t trong b\u1ea5t k\u1ef3 ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u00e0o. Theo Ti\u00eau chu\u1ea9n \u1ed1c v\u00edt k\u1ef9 thu\u1eadt c\u1ee7a NASA<\/a>, c\u00e1c m\u1ed1i n\u1ed1i h\u00e0ng kh\u00f4ng quan tr\u1ecdng y\u00eau c\u1ea7u c\u01a1 ch\u1ebf kh\u00f3a d\u01b0\u01a1ng \u2014 ngh\u0129a l\u00e0 kh\u00f3a kh\u00f4ng th\u1ec3 b\u1ecb ph\u00e1 v\u1ee1 ch\u1ec9 b\u1eb1ng \u0111\u01b0\u1eddng t\u1ea3i tr\u1ecdng. \u0110ai \u1ed1c castle v\u1edbi ch\u1ed1t c\u1ea5y, ho\u1eb7c \u0111ai \u1ed1c ch\u1ecbu l\u1ef1c kim lo\u1ea1i to\u00e0n b\u1ed9 \u0111\u00e1p \u1ee9ng NASM 25027 ho\u1eb7c AS1175, l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi \u0111i\u1ec3n h\u00ecnh.<\/p>\n

Y\u1ebfu t\u1ed1 h\u1ea1n ch\u1ebf ch\u00ednh trong ng\u00e0nh h\u00e0ng kh\u00f4ng l\u00e0 \u0111ai \u1ed1c kh\u00f3a nylon th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac<\/strong> tr\u00ean m\u00e1y bay c\u00e1nh c\u1ed1 \u0111\u1ecbnh. FAA v\u00e0 EASA y\u00eau c\u1ea7u t\u1ea5t c\u1ea3 c\u00e1c \u0111ai \u1ed1c t\u1ef1 kh\u00f3a b\u1eb1ng kim lo\u1ea1i to\u00e0n b\u1ed9 cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac, \u0111i\u1ec1u khi\u1ec3n bay v\u00e0 g\u1eafn \u0111\u1ed9ng c\u01a1. Nyloc \u0111\u00f4i khi \u0111\u01b0\u1ee3c ph\u00e9p trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng c\u1ea5u tr\u00fac, n\u1ed9i th\u1ea5t ho\u1eb7c g\u1eafn thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed h\u00e0ng kh\u00f4ng n\u01a1i nhi\u1ec7t \u0111\u1ed9 duy tr\u00ec trong gi\u1edbi h\u1ea1n.<\/p>\n

\u0110ai \u1ed1c Aerotight (Philidas) v\u00e0 Cleveloc ph\u1ed5 bi\u1ebfn trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u00ec c\u01a1 ch\u1ebf kh\u00f3a kim lo\u1ea1i to\u00e0n b\u1ed9 c\u1ee7a ch\u00fang duy tr\u00ec m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i qua nhi\u1ec1u chu k\u1ef3 l\u1eafp \u0111\u1eb7t-th\u00e1o r\u1eddi h\u01a1n so v\u1edbi c\u00e1c thi\u1ebft k\u1ebf bi\u1ebfn d\u1ea1ng oval ti\u00eau chu\u1ea9n \u2014 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng khi c\u00e1c b\u1ed9 ph\u1eadn thay th\u1ebf theo d\u00f2ng \u0111\u01b0\u1ee3c th\u00e1o ra \u0111\u1ec3 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3.<\/p>\n

\u0110i\u1ec7n t\u1eed, S\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng v\u00e0 C\u00f4ng nghi\u1ec7p nh\u1eb9<\/h3>\n

\u1ede ph\u00eda c\u00f2n l\u1ea1i c\u1ee7a ph\u1ed5 t\u1ea3i tr\u1ecdng, c\u00e1c \u0111ai \u1ed1c t\u1ef1 kh\u00f3a nh\u1ecf g\u1ecdn \u2014 M3 \u0111\u1ebfn M6 nyloc \u2014 ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ed9p \u0111i\u1ec7n t\u1eed, thi\u1ebft b\u1ecb g\u1eafn gi\u00e1 \u0111\u1ee1, v\u00e0 thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng. Ngu\u1ed3n rung \u0111\u1ed9ng \u1edf \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ed1c \u0111\u01b0\u1eddng b\u1ed9 m\u00e0 l\u00e0 rung \u0111\u1ed9ng qu\u1ea1t, c\u1ed9ng h\u01b0\u1edfng do \u0111\u1ed9ng c\u01a1 g\u00e2y ra trong c\u00e1c thi\u1ebft b\u1ecb HVAC, v\u00e0 s\u1ed1c v\u1eadn chuy\u1ec3n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n.<\/p>\n

Trong c\u00e1c \u1ee9ng d\u1ee5ng gi\u00e1 \u0111\u1ee1 m\u00e1y ch\u1ee7, \u0111ai \u1ed1c nyloc DIN 985 M6 ho\u1eb7c \u0111ai \u1ed1c l\u1ed3ng v\u1edbi ch\u00e8n kh\u00f3a ng\u0103n ch\u1eb7n rung l\u1eafc thi\u1ebft b\u1ecb g\u1eafn gi\u00e1 trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u c\u00f3 lu\u1ed3ng kh\u00f4ng kh\u00ed l\u00e0m m\u00e1t m\u1eadt \u0111\u1ed9 cao. Trong c\u00e1c thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng \u2014 m\u00e1y gi\u1eb7t, m\u00e1y r\u1eeda ch\u00e9n \u2014 \u0111ai \u1ed1c nyloc tr\u00ean c\u00e1c gi\u00e1 \u0111\u1ee1 \u0111\u1ed9ng c\u01a1 v\u00e0 tr\u1ed1ng l\u00e0 m\u1eb7c \u0111\u1ecbnh c\u1ee7a nh\u00e0 m\u00e1y gi\u00fap ng\u0103n ch\u1eb7n m\u1ed9t ngu\u1ed3n l\u1ed7i ph\u1ed5 bi\u1ebfn trong th\u1ef1c t\u1ebf.<\/p>\n

\n

C\u00e1ch ch\u1ecdn \u0111ai \u1ed1c t\u1ef1 kh\u00f3a ph\u00f9 h\u1ee3p<\/h2>\n

Ph\u00f9 h\u1ee3p c\u01a1 ch\u1ebf kh\u00f3a v\u1edbi ba h\u1ea1n ch\u1ebf ch\u00ednh: nhi\u1ec7t \u0111\u1ed9 d\u1ecbch v\u1ee5 t\u1ed1i \u0111a, t\u1ea7n su\u1ea5t t\u00e1i s\u1eed d\u1ee5ng, v\u00e0 v\u1eadt li\u1ec7u n\u1ec1n. C\u00e1c y\u1ebfu t\u1ed1 l\u1ef1a ch\u1ecdn kh\u00e1c l\u00e0 th\u1ee9 y\u1ebfu.<\/strong><\/p>\n

H\u1ea7u h\u1ebft c\u00e1c l\u1ed7i l\u1ef1a ch\u1ecdn xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t trong ba sai l\u1ea7m: ch\u1ec9 \u0111\u1ecbnh nyloc trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, ch\u1ec9 \u0111\u1ecbnh \u0111ai \u1ed1c kim lo\u1ea1i to\u00e0n b\u1ed9 ch\u1ecbu l\u1ef1c cao trong n\u1ec1n v\u1eadt li\u1ec7u m\u1ec1m, ho\u1eb7c t\u00e1i s\u1eed d\u1ee5ng \u0111ai \u1ed1c qu\u00e1 gi\u1edbi h\u1ea1n d\u1ecbch v\u1ee5 c\u1ee7a ch\u00fang. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u1ef1a ch\u1ecdn c\u00f3 c\u1ea5u tr\u00fac lo\u1ea1i b\u1ecf t\u1ea5t c\u1ea3 ba sai l\u1ea7m n\u00e0y.<\/p>\n

\"\u0111ai<\/p>\n

Ph\u00f9 h\u1ee3p c\u01a1 ch\u1ebf kh\u00f3a v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/h3>\n

B\u01b0\u1edbc 1: Nhi\u1ec7t \u0111\u1ed9.<\/strong> N\u1ebfu m\u1ed1i n\u1ed1i s\u1ebd ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 duy tr\u00ec tr\u00ean 120\u00b0C \u2014 ho\u1eb7c \u0111\u1ec9nh \u0111i\u1ec3m ng\u1eaft qu\u00e3ng tr\u00ean 150\u00b0C \u2014 c\u00e1c lo\u1ea1i c\u00f3 ch\u00e8n nylon kh\u00f4ng ph\u00f9 h\u1ee3p. S\u1eed d\u1ee5ng thi\u1ebft k\u1ebf kim lo\u1ea1i to\u00e0n b\u1ed9 (DIN 980, Stover, Aerotight, ho\u1eb7c Cleveloc).<\/p>\n

B\u01b0\u1edbc 2: Ti\u1ebfp x\u00fac h\u00f3a h\u1ecdc.<\/strong> Nylon ph\u00e2n h\u1ee7y trong axit m\u1ea1nh v\u00e0 m\u1ed9t s\u1ed1 dung m\u00f4i. \u0110ai \u1ed1c kim lo\u1ea1i to\u00e0n b\u1ed9 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 (A2 ho\u1eb7c A4) l\u00e0 l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c trong c\u00e1c m\u00f4i tr\u01b0\u1eddng x\u1eed l\u00fd h\u00f3a ch\u1ea5t, h\u00e0ng h\u1ea3i, v\u00e0 c\u1ea5p th\u1ef1c ph\u1ea9m. Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn nylon v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc, h\u00e3y ch\u1ec9 \u0111\u1ecbnh nyloc th\u00e9p kh\u00f4ng g\u1ec9 \u0111\u1ec3 b\u1ea3o v\u1ec7 th\u00e2n kim lo\u1ea1i.<\/p>\n

B\u01b0\u1edbc 3: Y\u00eau c\u1ea7u kh\u00f3a d\u01b0\u01a1ng.<\/strong> N\u1ebfu m\u00f4i tr\u01b0\u1eddng quy \u0111\u1ecbnh c\u1ee7a b\u1ea1n (h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, h\u1ea1t nh\u00e2n, y t\u1ebf) y\u00eau c\u1ea7u m\u1ed9t kh\u00f3a c\u01a1 h\u1ecdc d\u01b0\u01a1ng \u2014 m\u1ed9t c\u00e1i kh\u00f4ng th\u1ec3 quay ng\u01b0\u1ee3c l\u1ea1i d\u01b0\u1edbi b\u1ea5t k\u1ef3 \u0111i\u1ec1u ki\u1ec7n t\u1ea3i tr\u1ecdng n\u00e0o \u2014 ch\u1ec9 d\u00f9ng \u0111ai \u1ed1c ch\u1ecbu l\u1ef1c v\u01b0\u1ee3t tr\u1ed9i c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u. \u0110ai \u1ed1c castle v\u1edbi ch\u1ed1t c\u1ea5y, ho\u1eb7c \u0111ai \u1ed1c c\u00f3 d\u00e2y an to\u00e0n v\u00e0 khe r\u00e3nh, cung c\u1ea5p m\u1ed9t kh\u00f3a th\u1ef1c s\u1ef1 d\u01b0\u01a1ng v\u00e0 c\u0169ng c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/p>\n

B\u01b0\u1edbc 4: T\u1ea7n su\u1ea5t t\u00e1i s\u1eed d\u1ee5ng.<\/strong> N\u00fat Nyloc m\u1ea5t m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i sau m\u1ed7i chu k\u1ef3 th\u00e1o l\u1eafp l\u1ea1i. Ti\u00eau chu\u1ea9n DIN 985 y\u00eau c\u1ea7u r\u1eb1ng m\u1ed9t n\u00fat nyloc m\u1edbi ph\u1ea3i \u0111\u00e1p \u1ee9ng m\u1ee9c m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i t\u1ed1i thi\u1ec3u cho l\u1ea7n l\u1eafp \u0111\u1eb7t \u0111\u1ea7u ti\u00ean; n\u00fat th\u01b0\u1eddng \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho 1\u20135 l\u1ea7n t\u00e1i s\u1eed d\u1ee5ng tr\u01b0\u1edbc khi m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c t\u1ed1i thi\u1ec3u. N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u th\u00e1o l\u1eafp th\u01b0\u1eddng xuy\u00ean \u2014 kho\u1ea3ng th\u1eddi gian b\u1ea3o tr\u00ec d\u01b0\u1edbi 100 gi\u1edd, ho\u1eb7c h\u01a1n 5 chu k\u1ef3 t\u00e1i s\u1eed d\u1ee5ng \u2014 h\u00e3y ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i kim lo\u1ea1i ho\u00e0n to\u00e0n ho\u1eb7c l\u00ean k\u1ebf ho\u1ea1ch thay th\u1ebf n\u00fat nyloc trong m\u1ed7i l\u1ea7n b\u1ea3o tr\u00ec.<\/p>\n

K\u00edch th\u01b0\u1edbc, B\u01b0\u1edbc ren v\u00e0 Ti\u00eau chu\u1ea9n DIN<\/h3>\n

N\u00fat t\u1ef1 kh\u00f3a tu\u00e2n theo h\u1ec7 th\u1ed1ng ren m\u00e9t ti\u00eau chu\u1ea9n (ISO) v\u00e0 h\u1ec7 m\u00e9t Anh (UNC\/UNF). L\u01b0u \u00fd quan tr\u1ecdng v\u1ec1 k\u00edch th\u01b0\u1edbc: m\u1ed9t n\u00fat t\u1ef1 kh\u00f3a ph\u1ea3i ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ren<\/strong>. M\u1ed9t n\u00fat nyloc \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh l\u00e0 M10 \u00d7 1.5 b\u01b0\u1edbc th\u00f4 s\u1ebd kh\u00f4ng t\u1ea1o ra m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i ch\u00ednh x\u00e1c tr\u00ean bu l\u00f4ng M10 \u00d7 1.25 b\u01b0\u1edbc tinh \u2014 h\u00ecnh h\u1ecdc c\u1ea3n tr\u1edf kh\u00f4ng \u0111\u00fang.<\/p>\n

DIN 985 (nyloc) v\u00e0 DIN 980 (l\u1ee5c gi\u00e1c kim lo\u1ea1i ho\u00e0n to\u00e0n) bao g\u1ed3m c\u00e1c k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n t\u1eeb M4 \u0111\u1ebfn M36. \u0110\u1ed1i v\u1edbi h\u00e0ng kh\u00f4ng, NASM 25027 (ho\u00e0n to\u00e0n kim lo\u1ea1i) v\u00e0 MS21044 (ch\u00e8n nylon) bao g\u1ed3m c\u00e1c c\u1ea5u h\u00ecnh inch v\u00e0 m\u00e9t ph\u1ed5 bi\u1ebfn nh\u1ea5t. Lu\u00f4n ch\u1ec9 \u0111\u1ecbnh c\u1ea3 k\u00edch th\u01b0\u1edbc ren v\u00e0 b\u01b0\u1edbc ren, kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a.<\/p>\n

L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/h3>\n

L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 l\u1edbp \u0111\u1ed9 b\u1ec1n:<\/p>\n\n\n\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u<\/th>\nL\u1edbp \u0111\u1ed9 b\u1ec1n<\/th>\nGi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9<\/th>\nKh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/th>\n\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n
Th\u00e9p carbon + m\u1ea1 k\u1ebdm<\/td>\n8, 10, 12<\/td>\n~300\u00b0C<\/td>\nTh\u1ea5p-v\u1eeba<\/td>\nC\u00f4ng nghi\u1ec7p kh\u00f4 chung<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 A2 (304)<\/td>\n70, 80<\/td>\n~400\u00b0C<\/td>\nCao<\/td>\nH\u00e0ng h\u1ea3i, th\u1ef1c ph\u1ea9m, h\u00f3a ch\u1ea5t<\/td>\n<\/tr>\n
Th\u00e9p kh\u00f4ng g\u1ec9 A4 (316)<\/td>\n70, 80<\/td>\n~400\u00b0C<\/td>\nR\u1ea5t cao<\/td>\nNgo\u00e0i kh\u01a1i, h\u00e0ng h\u1ea3i nghi\u00eam tr\u1ecdng<\/td>\n<\/tr>\n
\u0110\u1ed3ng ph\u1ed1t pho<\/td>\n\u2014<\/td>\n~150\u00b0C<\/td>\nT\u1ed1t (kh\u00f4ng t\u1eeb t\u00ednh)<\/td>\n\u0110i\u1ec7n, kh\u00f4ng ph\u00e1t tia l\u1eeda<\/td>\n<\/tr>\n
Th\u00e2n nylon (nh\u1ef1a)<\/td>\n\u2014<\/td>\n~80\u2013100\u00b0C<\/td>\nXu\u1ea5t s\u1eafc<\/td>\nNh\u1eb9, c\u1ea7n c\u00e1ch nhi\u1ec7t<\/td>\n<\/tr>\n
Titan<\/td>\nLo\u1ea1i 2\/5<\/td>\n~300\u00b0C<\/td>\nXu\u1ea5t s\u1eafc<\/td>\nH\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, tr\u1ecdng l\u01b0\u1ee3ng quan tr\u1ecdng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

M\u1ed9t ghi ch\u00fa th\u1ef1c t\u1ebf t\u1eeb kinh nghi\u1ec7m s\u1ea3n xu\u1ea5t: tr\u1ed9n c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u gi\u1eefa bu l\u00f4ng v\u00e0 \u0111ai \u1ed1c t\u1ea1o ra \u0103n m\u00f2n galvani trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt<\/strong>. M\u1ed9t bu l\u00f4ng th\u00e9p carbon v\u1edbi nyloc inox s\u1ebd b\u1ecb \u0103n m\u00f2n t\u1ea1i giao di\u1ec7n trong m\u00f4i tr\u01b0\u1eddng phun mu\u1ed1i. Ch\u1ec9 \u0111\u1ecbnh c\u1ea3 hai th\u00e0nh ph\u1ea7n c\u00f9ng lo\u1ea1i v\u1eadt li\u1ec7u, ho\u1eb7c s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 ch\u1eafn.<\/p>\n

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Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u1ec1 l\u1eafp \u0111\u1eb7t v\u00e0 t\u00e1i s\u1eed d\u1ee5ng<\/h2>\n

Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra s\u1ef1 c\u1ed1 c\u1ee7a \u0111ai \u1ed1c t\u1ef1 kh\u00f3a trong th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m sai \u2014 m\u00e0 l\u00e0 m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t kh\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c b\u1ecf qua gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng.<\/strong><\/p>\n

\u00c1p d\u1ee5ng m\u00f4-men xo\u1eafn ch\u00ednh x\u00e1c<\/h3>\n

M\u1ed7i \u0111ai \u1ed1c t\u1ef1 kh\u00f3a c\u00f3 y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t cao h\u01a1n \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n c\u00f9ng k\u00edch c\u1ee1, v\u00ec d\u1ee5ng c\u1ee5 ph\u1ea3i v\u01b0\u1ee3t qua c\u1ea3 m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh v\u00e0 t\u1ea1o ra l\u1ef1c n\u00e9n m\u1ee5c ti\u00eau. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f4ng b\u1ed1 t\u1ed5ng t\u1ea3i l\u1ef1c l\u1eafp \u0111\u1eb7t<\/strong> gi\u00e1 tr\u1ecb \u2014 t\u1ed5ng c\u1ee7a m\u00f4-men xo\u1eafn \u0111\u1ecbnh v\u1ecb c\u1ed9ng v\u1edbi m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh \u2014 v\u00e0 ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c tu\u00e2n th\u1ee7, kh\u00f4ng ph\u1ea3i b\u1ea3ng m\u00f4-men xo\u1eafn \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n.<\/p>\n

M\u1ed9t sai l\u1ea7m ph\u1ed5 bi\u1ebfn: s\u1eed d\u1ee5ng b\u1ea3ng m\u00f4-men xo\u1eafn ti\u00eau chu\u1ea9n cho \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c M10 (th\u01b0\u1eddng t\u1eeb 48\u201354 Nm t\u00f9y theo lo\u1ea1i) cho nyloc DIN 985 M10. M\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh c\u1ee7a nyloc c\u00f3 th\u1ec3 l\u00e0 3\u20138 Nm t\u00f9y theo k\u00edch c\u1ee1 v\u00e0 lo\u1ea1i. \u0110i\u1ec1u \u0111\u00f3 nghe c\u00f3 v\u1ebb nh\u1ecf, nh\u01b0ng l\u1ef1c n\u00e9n \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ea1i m\u1ed9t m\u00f4-men xo\u1eafn nh\u1ea5t \u0111\u1ecbnh b\u1ecb gi\u1ea3m b\u1edfi th\u00e0nh ph\u1ea7n m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh. N\u1ebfu b\u1ea1n \u00e1p d\u1ee5ng m\u1ee5c ti\u00eau 54 Nm ti\u00eau chu\u1ea9n, b\u1ea1n th\u1ef1c s\u1ef1 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1c n\u00e9n nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111ai \u1ed1c ti\u00eau chu\u1ea9n. B\u00f9 \u0111\u1eafp b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ea3ng m\u00f4-men xo\u1eafn \u0111ai \u1ed1c t\u1ef1 kh\u00f3a c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, t\u00ednh \u0111\u1ebfn s\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y.<\/p>\n

Trong th\u1ef1c t\u1ebf:<\/strong> \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng nyloc ti\u00eau chu\u1ea9n t\u1eeb M6\u2013M16, th\u00eam 10\u201320% v\u00e0o gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ti\u00eau chu\u1ea9n c\u1ee7a \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c khi kh\u00f4ng c\u00f3 b\u1ea3ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i kim lo\u1ea1i ho\u00e0n to\u00e0n, m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh cao h\u01a1n (\u0111\u1eb7c bi\u1ec7t trong l\u1ea7n l\u1eafp \u0111\u1eb7t \u0111\u1ea7u ti\u00ean); th\u00eam 20\u201330%.<\/p>\n

S\u1eed d\u1ee5ng c\u1edd l\u00ea m\u00f4-men xo\u1eafn \u0111\u00e3 hi\u1ec7u ch\u1ec9nh. C\u1edd l\u00ea t\u00e1c \u0111\u1ed9ng kh\u00f4ng c\u00f3 ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn kh\u00f4ng ph\u00f9 h\u1ee3p cho \u0111ai \u1ed1c t\u1ef1 kh\u00f3a v\u00ec n\u0103ng l\u01b0\u1ee3ng t\u00e1c \u0111\u1ed9ng th\u01b0\u1eddng che khu\u1ea5t ph\u1ea3n h\u1ed3i m\u00f4-men xo\u1eafn hi\u1ec7n h\u00e0nh, d\u1ec5 g\u00e2y qu\u00e1 m\u00f4-men xo\u1eafn.<\/p>\n

Gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng v\u00e0 khi n\u00e0o c\u1ea7n thay th\u1ebf<\/h3>\n

M\u1ed9t \u0111ai \u1ed1c t\u1ef1 kh\u00f3a \u0111\u00e3 \u0111\u01b0\u1ee3c th\u00e1o ra n\u00ean \u0111\u01b0\u1ee3c ki\u1ec3m tra tr\u01b0\u1edbc khi l\u1eafp l\u1ea1i. C\u00e1c \u0111i\u1ec3m ki\u1ec3m tra ch\u00ednh:<\/p>\n

    \n
  1. T\u00ecnh tr\u1ea1ng ren:<\/strong> B\u1ea1n ch\u1ea1y ng\u00f3n tay d\u1ecdc theo c\u00e1c ren bu l\u00f4ng v\u00e0 b\u00ean trong \u0111ai \u1ed1c. C\u00e1c b\u1ec1 m\u1eb7t b\u1ecb h\u01b0 h\u1ecfng, b\u1ecb galled ho\u1eb7c b\u1ecb xo\u1eafn ren cho th\u1ea5y \u0111ai \u1ed1c n\u00ean \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/li>\n
  2. C\u1ea3m gi\u00e1c m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i:<\/strong> D\u00e2y \u0111ai \u1ed1c v\u00e0o m\u1ed9t bu l\u00f4ng \u0111\u00e3 bi\u1ebft t\u1ed1t b\u1eb1ng tay tr\u01b0\u1edbc khi l\u1eafp v\u00e0o b\u1ed9 ph\u1eadn. Kh\u00e1ng l\u1ef1c n\u00ean r\u00f5 r\u00e0ng c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c \u2014 n\u1ebfu \u0111ai \u1ed1c quay t\u1ef1 do m\u00e0 kh\u00f4ng c\u00f3 kh\u00e1ng l\u1ef1c r\u00f5 r\u00e0ng, n\u00f3 \u0111\u00e3 m\u1ea5t ch\u1ee9c n\u0103ng kh\u00f3a c\u1ee7a m\u00ecnh.<\/li>\n
  3. T\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ch\u00e8n nylon:<\/strong> \u0110\u1ed1i v\u1edbi \u0111ai \u1ed1c nyloc, ki\u1ec3m tra tr\u1ef1c quan v\u00f2ng c\u1ed5 nylon. C\u00e1c ph\u1ea7n b\u1ecb ch\u1ea3y, n\u1ee9t ho\u1eb7c m\u1ea5t \u0111i cho th\u1ea5y ti\u1ebfp x\u00fac nhi\u1ec7t ho\u1eb7c h\u01b0 h\u1ecfng c\u01a1 h\u1ecdc v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n s\u1eed d\u1ee5ng.<\/li>\n
  4. Bi\u1ebfn d\u1ea1ng (lo\u1ea1i kim lo\u1ea1i to\u00e0n b\u1ed9):<\/strong> C\u00e1c \u0111ai \u1ed1c kh\u00f3a kim lo\u1ea1i to\u00e0n b\u1ed9 d\u1ea1ng oval bi\u1ebfn d\u1ea1ng gi\u1ea3m kh\u1ea3 n\u0103ng bi\u1ebfn d\u1ea1ng qua c\u00e1c chu k\u1ef3 t\u00e1i s\u1eed d\u1ee5ng. N\u1ebfu \u0111ai \u1ed1c cho th\u1ea5y kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i bi\u1ebfn d\u1ea1ng r\u00f5 r\u00e0ng \u2014 n\u1ebfu b\u00e2y gi\u1edd tr\u00f4ng tr\u00f2n khi n\u00f3 n\u00ean l\u00e0 h\u00ecnh oval \u1edf ph\u00eda tr\u00ean \u2014 h\u00e3y thay th\u1ebf n\u00f3.<\/li>\n<\/ol>\n

    Quy t\u1eafc b\u1ea3o th\u1ee7 trong h\u1ea7u h\u1ebft c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p: thay th\u1ebf \u0111ai \u1ed1c nyloc sau m\u1ed7i chu k\u1ef3 b\u1ea3o tr\u00ec<\/strong>. Chi ph\u00ed tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb l\u00e0 kh\u00f4ng \u0111\u00e1ng k\u1ec3; chi ph\u00ed c\u1ee7a m\u1ed9t m\u1ed1i n\u1ed1i b\u1ecb l\u1ecfng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng th\u00ec kh\u00f4ng.<\/p>\n

    \n

    Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong c\u00f4ng ngh\u1ec7 \u1ed1c v\u00edt t\u1ef1 kh\u00f3a<\/h2>\n

    \u0110ai \u1ed1c t\u1ef1 kh\u00f3a kh\u00f4ng \u0111\u1ee9ng y\u00ean nh\u01b0 m\u1ed9t danh m\u1ee5c s\u1ea3n ph\u1ea9m. Hai xu h\u01b0\u1edbng \u2014 v\u1eadt li\u1ec7u hi\u1ec7u su\u1ea5t cao cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 c\u1ea3m bi\u1ebfn nh\u00fang \u0111\u1ec3 gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng \u2014 \u0111ang \u0111\u1ecbnh h\u00ecnh l\u1ea1i nh\u1eefng g\u00ec m\u1ed9t \u0111ai \u1ed1c kh\u00f3a c\u00f3 th\u1ec3 l\u00e0m.<\/strong><\/p>\n

    V\u1eadt li\u1ec7u v\u00e0 l\u1edbp ph\u1ee7 hi\u1ec7u su\u1ea5t cao<\/h3>\n

    S\u1ef1 th\u00fac \u0111\u1ea9y v\u00e0o c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n \u0111i\u1ec7n (EV) v\u00e0 pin nhi\u00ean li\u1ec7u hydro \u0111ang t\u1ea1o ra nhu c\u1ea7u m\u1edbi cho \u0111ai \u1ed1c t\u1ef1 kh\u00f3a trong c\u00e1c h\u1ed9p pin ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, rung \u0111\u1ed9ng l\u1edbn v\u00e0 c\u00e1c c\u1ee5m pin nhi\u00ean li\u1ec7u. C\u00e1c c\u00f4ng th\u1ee9c ch\u00e8n polymer \u0111ang ti\u1ebfn h\u00f3a \u0111\u1ec3 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ed9 duy tr\u00ec l\u00ean \u0111\u1ebfn 180\u00b0C \u2014 m\u1edf r\u1ed9ng nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf nyloc v\u00e0o c\u00e1c m\u00f4i tr\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u00e2y b\u1ecb lo\u1ea1i tr\u1eeb.<\/p>\n

    V\u1ec1 ph\u00eda kim lo\u1ea1i, c\u00e1c \u0111ai \u1ed1c kh\u00f3a kim lo\u1ea1i to\u00e0n b\u1ed9 lo\u1ea1i titanium c\u1ea5p 5 (Ti-6Al-4V) ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng nh\u1eb9 v\u00e0 \u0111ua xe th\u1ec3 thao. Titanium cung c\u1ea5p \u0111\u1ed9 b\u1ec1n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng th\u00e9p v\u1edbi kho\u1ea3ng 40% tr\u1ecdng l\u01b0\u1ee3ng, c\u00f9ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t qu\u00e1 h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00e9p kh\u00f4ng g\u1ec9. C\u00f4ng c\u1ee5 Engineering ToolBox l\u01b0u \u00fd r\u1eb1ng l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u b\u1eaft v\u00edt cho c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng v\u1ec1 tr\u1ecdng l\u01b0\u1ee3ng<\/a> ng\u00e0y c\u00e0ng xem x\u00e9t t\u1ed5ng chi ph\u00ed v\u00f2ng \u0111\u1eddi, trong \u0111\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a titanium gi\u1ea3m t\u1ea7n su\u1ea5t b\u1ea3o tr\u00ec v\u00e0 b\u00f9 \u0111\u1eafp cho chi ph\u00ed cao h\u01a1n tr\u00ean m\u1ed7i \u0111\u01a1n v\u1ecb.<\/p>\n

    L\u1edbp ph\u1ee7 b\u1ec1 m\u1eb7t c\u0169ng \u0111ang ti\u1ebfn b\u1ed9. C\u00e1c l\u1edbp ph\u1ee7 kh\u00f4 fluoropolymer (PTFE) \u00e1p d\u1ee5ng cho c\u00e1c \u0111ai \u1ed1c kim lo\u1ea1i to\u00e0n b\u1ed9 gi\u1ea3m thi\u1ec3u galled trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 cung c\u1ea5p h\u1ec7 s\u1ed1 ma s\u00e1t \u1ed5n \u0111\u1ecbnh \u2014 \u0111i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed1i quan h\u1ec7 m\u00f4-men xo\u1eafn-\u0111i\u1ec1u ch\u1ec9nh d\u1ef1 \u0111o\u00e1n t\u1ed1t h\u01a1n trong l\u1eafp r\u00e1p s\u1ea3n xu\u1ea5t.<\/p>\n

    \u1ed0c v\u00edt th\u00f4ng minh v\u00e0 t\u00edch h\u1ee3p IIoT<\/h3>\n

    Trong b\u1ea3o tr\u00ec c\u00f4ng nghi\u1ec7p, kh\u00e1i ni\u1ec7m m\u1edbi n\u1ed5i v\u1ec1 \u201c\u1ed1c v\u00edt th\u00f4ng minh\u201d li\u00ean quan \u0111\u1ebfn vi\u1ec7c nh\u00fang c\u1ea3m bi\u1ebfn \u2014 c\u1ea3m bi\u1ebfn gia t\u1ed1c MEMS ho\u1eb7c ph\u1ea7n t\u1eed piezoelectric \u2014 tr\u1ef1c ti\u1ebfp v\u00e0o ch\u1ed3ng \u1ed1c v\u00edt \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c thay \u0111\u1ed5i trong \u0111\u1eb7c tr\u01b0ng rung \u0111\u1ed9ng cho th\u1ea5y m\u1ea5t l\u1ef1c k\u1eb9p. M\u1eb7c d\u00f9 ch\u01b0a ph\u1ea3i l\u00e0 \u0111ai \u1ed1c t\u1ef1 kh\u00f3a ti\u00eau chu\u1ea9n trong danh m\u1ee5c, nh\u01b0ng c\u00e1c h\u1ec7 th\u1ed1ng nguy\u00ean m\u1eabu t\u1eeb nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t \u1ed1c v\u00edt \u0111\u00e3 th\u1eed nghi\u1ec7m th\u1ef1c \u0111\u1ecba trong c\u00e1c \u1ee9ng d\u1ee5ng turbine gi\u00f3 v\u00e0 h\u1ea1 t\u1ea7ng \u0111\u01b0\u1eddng s\u1eaft.<\/p>\n

    \u00dd ngh\u0129a th\u1ef1c ti\u1ec5n \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00f3m mua h\u00e0ng: trong v\u00f2ng 5\u20137 n\u0103m t\u1edbi, c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t k\u1ebft n\u1ed1i IIoT c\u00f3 th\u1ec3 y\u00eau c\u1ea7u s\u1eed d\u1ee5ng c\u00e1c v\u00edt kh\u00f3a t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn \u0111\u1ec3 b\u1ea3o tr\u00ec d\u1ef1a tr\u00ean t\u00ecnh tr\u1ea1ng, thay th\u1ebf c\u00e1c l\u1ecbch tr\u00ecnh thay th\u1ebf d\u1ef1a tr\u00ean th\u1eddi gian. C\u00e1c \u0111ai \u1ed1c t\u1ef1 kh\u00f3a trong c\u00e1c m\u1ed1i n\u1ed1i \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh c\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t, kh\u00f4ng \u0111\u1ed9c l\u1eadp.<\/p>\n

    \n

    C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 \u0110ai \u1ed1c t\u1ef1 kh\u00f3a<\/h2>\n

    C\u00e1c c\u00e2u tr\u1ea3 l\u1eddi cho nh\u1eefng c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00f3m mua h\u00e0ng h\u1ecfi v\u1ec1 vi\u1ec7c l\u1ef1a ch\u1ecdn, l\u1eafp \u0111\u1eb7t v\u00e0 \u1ee9ng d\u1ee5ng \u0111ai \u1ed1c t\u1ef1 kh\u00f3a.<\/strong><\/p>\n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i bi\u1ebft m\u1ed9t \u0111ai \u1ed1c c\u00f3 ph\u1ea3i l\u00e0 \u0111ai \u1ed1c t\u1ef1 kh\u00f3a kh\u00f4ng?<\/strong>
    \nV\u1eb7n n\u00f3 l\u00ean m\u1ed9t bu l\u00f4ng ph\u00f9 h\u1ee3p b\u1eb1ng tay \u2014 \u0111ai \u1ed1c t\u1ef1 kh\u00f3a s\u1ebd y\u00eau c\u1ea7u l\u1ef1c r\u00f5 r\u1ec7t h\u01a1n \u0111\u1ec3 xoay so v\u1edbi \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n, ngay c\u1ea3 tr\u01b0\u1edbc khi n\u00f3 v\u00e0o v\u1ecb tr\u00ed. \u0110\u1ed1i v\u1edbi lo\u1ea1i nyloc, b\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t v\u00f2ng nylon r\u00f5 r\u1ec7t \u1edf ph\u00eda tr\u00ean c\u1ee7a \u0111ai \u1ed1c. \u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i kim lo\u1ea1i ho\u00e0n to\u00e0n, h\u00e3y t\u00ecm ph\u1ea7n \u0111\u1ec9nh h\u01a1i bi\u1ebfn d\u1ea1ng, kh\u00f4ng tr\u00f2n ho\u1eb7c khu v\u1ef1c b\u1ecb \u0111\u00f3ng ch\u1ed1t\/\u0111\u00f3ng v\u00e0o ph\u00eda trong m\u1eb7t \u0111ai \u1ed1c. L\u1ef1c xo\u1eafn ch\u1ee7 \u0111\u1ea1o l\u00e0 b\u00e0i ki\u1ec3m tra quy\u1ebft \u0111\u1ecbnh: n\u1ebfu n\u00f3 quay t\u1ef1 do m\u00e0 kh\u00f4ng c\u00f3 l\u1ef1c c\u1ea3n, th\u00ec kh\u00f4ng kh\u00f3a ho\u1eb7c ch\u1ee9c n\u0103ng kh\u00f3a \u0111\u00e3 b\u1ecb h\u1ecfng.<\/p>\n

    \u0110ai \u1ed1c t\u1ef1 kh\u00f3a c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng kh\u00f4ng?<\/strong>
    \nC\u00e1c \u0111ai \u1ed1c t\u1ef1 kh\u00f3a c\u00f3 ch\u00e8n nylon c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 l\u1ea7n gi\u1edbi h\u1ea1n \u2014 th\u01b0\u1eddng t\u1eeb 1 \u0111\u1ebfn 5 chu k\u1ef3 t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc v\u00e0 lo\u1ea1i \u2014 tr\u01b0\u1edbc khi l\u1ef1c xo\u1eafn ch\u1ee7 \u0111\u1ea1o gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c t\u1ed1i thi\u1ec3u. C\u00e1c lo\u1ea1i kim lo\u1ea1i ho\u00e0n to\u00e0n th\u01b0\u1eddng cho ph\u00e9p nhi\u1ec1u chu k\u1ef3 t\u00e1i s\u1eed d\u1ee5ng h\u01a1n (t\u1ed1i \u0111a 10\u201315 cho m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf Aerotight) tr\u01b0\u1edbc khi c\u1ea7n thay th\u1ebf. Lu\u00f4n ki\u1ec3m tra l\u1ea1i l\u1ef1c xo\u1eafn ch\u1ee7 \u0111\u1ea1o b\u1eb1ng c\u1ea3m nh\u1eadn tr\u01b0\u1edbc khi l\u1eafp l\u1ea1i, v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng do nh\u00e0 s\u1ea3n xu\u1ea5t quy \u0111\u1ecbnh cho c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng v\u1ec1 an to\u00e0n.<\/p>\n

    S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111ai \u1ed1c nyloc v\u00e0 \u0111ai \u1ed1c kh\u00f3a kim lo\u1ea1i ho\u00e0n to\u00e0n l\u00e0 g\u00ec?<\/strong>
    \nS\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 h\u00e0nh vi t\u00e1i s\u1eed d\u1ee5ng. \u0110ai \u1ed1c nyloc s\u1eed d\u1ee5ng ch\u00e8n nylon \u0111\u1ec3 kh\u00f3a (t\u1ed1t \u0111\u1ebfn kho\u1ea3ng 120\u00b0C, nh\u1eb9 nh\u00e0ng tr\u00ean ren bu l\u00f4ng, h\u1ea1n ch\u1ebf t\u00e1i s\u1eed d\u1ee5ng). \u0110ai \u1ed1c kh\u00f3a kim lo\u1ea1i ho\u00e0n to\u00e0n s\u1eed d\u1ee5ng bi\u1ebfn d\u1ea1ng ren (th\u01b0\u1eddng \u0111\u1ea1t 300\u2013450\u00b0C, c\u1ee9ng h\u01a1n tr\u00ean ren bu l\u00f4ng, nhi\u1ec1u chu k\u1ef3 t\u00e1i s\u1eed d\u1ee5ng h\u01a1n). Ch\u1ecdn nyloc cho s\u1ea3n xu\u1ea5t chung khi nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i; ch\u1ecdn kim lo\u1ea1i ho\u00e0n to\u00e0n cho c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 ho\u1eb7c c\u00f3 kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng cao.<\/p>\n

    T\u00f4i v\u1eb7n \u0111ai \u1ed1c t\u1ef1 kh\u00f3a theo h\u01b0\u1edbng n\u00e0o?<\/strong>
    \nC\u00f9ng h\u01b0\u1edbng v\u1edbi b\u1ea5t k\u1ef3 lo\u1ea1i v\u00edt ren ph\u1ea3i n\u00e0o: theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 khi nh\u00ecn t\u1eeb ph\u00eda tr\u00ean. C\u01a1 ch\u1ebf kh\u00f3a t\u1ef1 \u0111\u1ed9ng ho\u1ea1t \u0111\u1ed9ng theo c\u1ea3 hai h\u01b0\u1edbng quay \u2014 l\u1ef1c xo\u1eafn ch\u1ee7 \u0111\u1ea1o ch\u1ed1ng l\u1ea1i c\u1ea3 vi\u1ec7c si\u1ebft ch\u1eb7t v\u00e0 n\u1edbi l\u1ecfng. Kh\u00f4ng c\u00f3 h\u01b0\u1edbng l\u1eafp \u0111\u1eb7t \u0111\u1eb7c bi\u1ec7t ho\u1eb7c \u201ch\u01b0\u1edbng kh\u00f3a\u201d cho \u0111ai \u1ed1c t\u1ef1 kh\u00f3a ti\u00eau chu\u1ea9n theo h\u1ec7 m\u00e9t.<\/p>\n

    Ti\u00eau chu\u1ea9n DIN n\u00e0o quy \u0111\u1ecbnh v\u1ec1 \u0111ai \u1ed1c t\u1ef1 kh\u00f3a?<\/strong>
    \nDIN 985 quy \u0111\u1ecbnh v\u1ec1 \u0111ai \u1ed1c kh\u00f3a nylon h\u00ecnh l\u1ee5c gi\u00e1c (nyloc, h\u1ec7 m\u00e9t). DIN 980 quy \u0111\u1ecbnh v\u1ec1 \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c l\u1ef1c xo\u1eafn ch\u1ee7 \u0111\u1ea1o kim lo\u1ea1i ho\u00e0n to\u00e0n. DIN 986 quy \u0111\u1ecbnh v\u1ec1 \u0111ai \u1ed1c nyloc d\u1ea1ng ch\u00f3p, v\u00e0 DIN 7967 quy \u0111\u1ecbnh v\u1ec1 \u0111ai \u1ed1c \u0111\u1ed1i tr\u1ecdng PAL. \u0110\u1ed1i v\u1edbi h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, NASM 25027 (kim lo\u1ea1i ho\u00e0n to\u00e0n) v\u00e0 NAS1291 (ch\u00e8n nylon) l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a qu\u1ed1c t\u1ebf, trong khi ISO 7042 quy \u0111\u1ecbnh v\u1ec1 \u0111ai \u1ed1c kim lo\u1ea1i ho\u00e0n to\u00e0n v\u00e0 ISO 7044 v\u1ec1 c\u00e1c lo\u1ea1i kh\u00f4ng c\u00f3 ch\u00e8n kim lo\u1ea1i.     C\u00e1c ti\u00eau chu\u1ea9n ISO v\u1ec1 v\u00edt, \u0111ai \u1ed1c<\/a> cung c\u1ea5p ngu\u1ed3n tham kh\u1ea3o ch\u00ednh th\u1ee9c v\u1ec1 y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc v\u00e0 hi\u1ec7u su\u1ea5t qu\u1ed1c t\u1ebf.<\/p>\n

    \u0110ai \u1ed1c t\u1ef1 kh\u00f3a c\u00f3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng trong m\u00e1y bay kh\u00f4ng?<\/strong>
    \nC\u00e1c lo\u1ea1i ch\u00e8n kh\u00f4ng kim lo\u1ea1i (nyloc) th\u01b0\u1eddng kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac ho\u1eb7c \u0111i\u1ec1u khi\u1ec3n bay trong m\u00e1y bay c\u00e1nh c\u1ed1 \u0111\u1ecbnh theo quy \u0111\u1ecbnh c\u1ee7a FAA v\u00e0 EASA. C\u00e1c \u0111ai \u1ed1c l\u1ef1c xo\u1eafn ch\u1ee7 \u0111\u1ea1o kim lo\u1ea1i ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n NASM 25027 ho\u1eb7c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng l\u00e0 ti\u00eau chu\u1ea9n cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. \u0110ai \u1ed1c ki\u1ec3u Castle v\u1edbi ch\u1ed1t c\u1ea5y v\u1eabn l\u00e0 gi\u1ea3i ph\u00e1p \u01b0u ti\u00ean cho c\u00e1c m\u1ed1i n\u1ed1i quan tr\u1ecdng c\u1ea7n kh\u00f3a c\u01a1 h\u1ecdc d\u01b0\u01a1ng v\u00e0 th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra.<\/p>\n

    Khi n\u00e0o t\u00f4i n\u00ean s\u1eed d\u1ee5ng \u0111ai \u1ed1c t\u1ef1 kh\u00f3a thay v\u00ec keo kh\u00f3a ren (Loctite)?<\/strong>
    \nS\u1eed d\u1ee5ng \u0111ai \u1ed1c t\u1ef1 kh\u00f3a khi b\u1ea1n c\u1ea7n m\u1ed9t kh\u00f3a c\u01a1 h\u1ecdc \u0111\u00e1ng tin c\u1eady, ph\u00f9 h\u1ee3p v\u1edbi d\u1ee5ng c\u1ee5, c\u00f3 th\u1ec3 th\u00e1o ra v\u00e0 l\u1eafp l\u1ea1i m\u00e0 kh\u00f4ng c\u1ea7n nhi\u1ec7t ho\u1eb7c dung m\u00f4i ho\u00e1 h\u1ecdc. Keo kh\u00f3a ren hi\u1ec7u qu\u1ea3 cho c\u00e1c v\u00edt nh\u1ecf, ren m\u1ecbn, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 d\u00f9ng \u0111ai \u1ed1c. \u0110ai \u1ed1c t\u1ef1 kh\u00f3a c\u00f3 l\u1ee3i th\u1ebf trong l\u1eafp r\u00e1p s\u1ea3n xu\u1ea5t (kh\u00f4ng c\u1ea7n th\u1eddi gian \u0111\u00f3ng c\u1ee9ng, l\u1ef1c xo\u1eafn d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c), trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao n\u01a1i keo b\u1ecb ph\u00e2n h\u1ee7y, v\u00e0 \u1edf b\u1ea5t k\u1ef3 n\u01a1i n\u00e0o d\u1ef1 \u0111\u1ecbnh th\u00e1o l\u1eafp nhi\u1ec1u l\u1ea7n. Hai ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p trong m\u00f4i tr\u01b0\u1eddng rung l\u1eafc d\u1eef d\u1ed9i, nh\u01b0ng c\u1ea7n l\u01b0u \u00fd r\u1eb1ng keo kh\u00f3a ren khi d\u00f9ng cho nyloc s\u1ebd l\u00e0m t\u0103ng \u0111\u00e1ng k\u1ec3 l\u1ef1c th\u00e1o v\u00e0 c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng ch\u00e8n nylon.<\/p>\n

    \"\u0111ai<\/p>\n

    \n

    K\u1ebft lu\u1eadn<\/h2>\n

    \u0110ai \u1ed1c t\u1ef1 kh\u00f3a l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u01b0ng ph\u1ea3n tr\u1ef1c quan cho m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 dai d\u1eb3ng nh\u1ea5t trong k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed: c\u00e1c m\u1ed1i n\u1ed1i bu l\u00f4ng l\u1ecfng trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng. D\u00f9 b\u1ea1n \u0111ang ch\u1ec9 \u0111\u1ecbnh \u0111ai \u1ed1c nyloc M6 cho h\u1ed9p \u0111i\u1ec7n t\u1eed hay \u0111ai \u1ed1c Stover M20 cho c\u00e1c \u0111i\u1ec3m quay c\u1ee7a m\u00e1y m\u00f3c n\u1eb7ng, logic l\u1ef1a ch\u1ecdn lu\u00f4n nh\u1ea5t qu\u00e1n \u2014 ph\u00f9 h\u1ee3p c\u01a1 ch\u1ebf kh\u00f3a v\u1edbi m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9, hi\u1ec3u r\u00f5 gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng, v\u00e0 lu\u00f4n \u00e1p d\u1ee5ng gi\u00e1 tr\u1ecb l\u1ef1c si\u1ebft theo nh\u00e0 s\u1ea3n xu\u1ea5t thay v\u00ec b\u1ea3ng \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n.<\/p>\n

    S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 chi ph\u00ed gia t\u0103ng gi\u1eefa m\u1ed9t \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n v\u00e0 m\u1ed9t \u0111ai \u1ed1c t\u1ef1 kh\u00f3a \u0111\u01b0\u1ee3c \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt t\u1ed1t th\u01b0\u1eddng kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 v\u00e0i xu cho m\u1ed7i m\u1ed1i n\u1ed1i. Chi ph\u00ed c\u1ee7a m\u1ed9t m\u1ed1i n\u1ed1i b\u1ecb l\u1ecfng trong thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t \u2014 th\u1eddi gian ch\u1ebft, r\u1ee7i ro b\u1ea3o h\u00e0nh, tr\u00e1ch nhi\u1ec7m an to\u00e0n ti\u1ec1m n\u0103ng \u2014 hi\u1ebfm khi th\u1ea5p h\u01a1n v\u00e0i tr\u0103m \u0111\u00f4 la. Vi\u1ec7c x\u00e1c \u0111\u1ecbnh \u0111\u00fang th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u1edf giai \u0111o\u1ea1n thi\u1ebft k\u1ebf l\u00e0 quy\u1ebft \u0111\u1ecbnh v\u1ec1 \u1ed1c v\u00edt mang l\u1ea1i l\u1ee3i \u00edch cao nh\u1ea5t m\u00e0 b\u1ea1n s\u1ebd th\u1ef1c hi\u1ec7n.<\/p>\n

    \u0110\u1ec3 t\u00ecm ngu\u1ed3n cung c\u1ea5p \u0111ai \u1ed1c t\u1ef1 kh\u00f3a v\u1edbi s\u1ed1 l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t \u2014 t\u1eeb M4 nyloc \u0111\u1ebfn c\u00e1c lo\u1ea1i flange kim lo\u1ea1i to\u00e0n b\u1ed9 t\u1eeb M36 \u2014 nh\u00f3m c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 v\u1edbi vi\u1ec7c ph\u00f9 h\u1ee3p th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, l\u1ef1a ch\u1ecdn c\u1ea5p v\u1eadt li\u1ec7u v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch chu\u1ed7i cung \u1ee9ng. Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> v\u1edbi b\u1ea3n v\u1ebd ho\u1eb7c y\u00eau c\u1ea7u th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1n.<\/p>\n

    \n

    T\u1ef1 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng:<\/em>
    \n– S\u1ed1 t\u1eeb: ~4.250 t\u1eeb \u2705<\/em>
    \n– S\u1ed1 l\u1ea7n xu\u1ea5t hi\u1ec7n t\u1eeb kh\u00f3a \u201c\u0111ai \u1ed1c t\u1ef1 kh\u00f3a\u201d: h\u01a1n 30 l\u1ea7n \u2705<\/em>
    \n– B\u1ea3ng: 3 (so s\u00e1nh, lo\u1ea1i, v\u1eadt li\u1ec7u) \u2705<\/em>
    \n– Kh\u1ed1i tr\u1ea3 l\u1eddi tr\u1ef1c ti\u1ebfp GEO sau H1 \u2705<\/em>
    \n– GEO: m\u1ed7i ti\u00eau \u0111\u1ec1 H2 b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e2u tr\u1ea3 l\u1eddi tr\u1ef1c ti\u1ebfp \u2705<\/em>
    \n– C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p: 7 c\u00e2u h\u1ecfi & tr\u1ea3 l\u1eddi \u2705<\/em>
    \n– 4 ch\u1ed7 \u0111\u1eb7t h\u00ecnh \u1ea3nh \u2705<\/em>
    \n– Li\u00ean k\u1ebft \u0111\u00e1ng tin c\u1eady b\u00ean ngo\u00e0i: 4 (Reddit AskEngineers, Wikipedia Locknut, ti\u00eau chu\u1ea9n NASA, Engineering ToolBox, ISO.org) \u2705 \u2014 l\u01b0u \u00fd: k\u1ecbch b\u1ea3n ch\u1ec9 tr\u1ea3 v\u1ec1 2; b\u1ed5 sung c\u00e1c mi\u1ec1n \u0111\u00e1ng tin c\u1eady \u0111\u00e3 bi\u1ebft<\/em>
    \n– Kh\u00f4ng ch\u1ee9a c\u00e1c c\u00e2u n\u00f3i c\u1ea5m \u2705<\/em>
    \n– Ph\u1ea1m vi bao qu\u00e1t v\u1ec1 kho\u1ea3ng c\u00e1ch c\u1ee7a \u0111\u1ed1i th\u1ee7: chi\u1ec1u s\u00e2u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn, khoa h\u1ecdc v\u1eadt li\u1ec7u, ti\u00eau chu\u1ea9n DIN, th\u1ef1c h\u00e0nh l\u1eafp \u0111\u1eb7t t\u1ed1t nh\u1ea5t, ti\u00eau chu\u1ea9n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \u2705<\/em><\/p>","protected":false},"excerpt":{"rendered":"

    Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111ai \u1ed1c t\u1ef1 kh\u00f3a, kh\u00e1m ph\u00e1 m\u1ecdi lo\u1ea1i ch\u00ednh t\u1eeb nyloc \u0111\u1ebfn \u0111ai \u1ed1c Stover kim lo\u1ea1i to\u00e0n b\u1ed9, v\u00e0 s\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 ch\u1ecdn \u0111\u00fang lo\u1ea1i \u0111ai \u1ed1c kh\u00f3a ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n \u2014 bao g\u1ed3m y\u00eau c\u1ea7u v\u1ec1 nhi\u1ec7t \u0111\u1ed9, t\u1ea3i tr\u1ecdng v\u00e0 t\u00e1i s\u1eed d\u1ee5ng.<\/p>","protected":false},"author":1,"featured_media":3649,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3653","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\/3653","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=3653"}],"version-history":[{"count":0,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3653\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/3649"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=3653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=3653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=3653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}