{"id":4642,"date":"2026-06-01T15:18:04","date_gmt":"2026-06-01T15:18:04","guid":{"rendered":"https:\/\/productionscrews.com\/nut-nyloc\/"},"modified":"2026-06-01T15:19:26","modified_gmt":"2026-06-01T15:19:26","slug":"nut-nyloc","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/nut-nyloc\/","title":{"rendered":"\u0110ai \u1ed1c Nyloc: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n V\u1ec1 \u0110ai \u1ed0c Kh\u00f3a Ch\u00e8n Nylon (2026)"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/06\/01-hero.jpg\" alt=\"H\u00ecnh \u1ea3nh \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao gi\u1edbi thi\u1ec7u \u0111a d\u1ea1ng c\u00e1c lo\u1ea1i bu l\u00f4ng m\u1eb7t b\u00edch v\u00e0 v\u00edt c\u00f4ng nghi\u1ec7p v\u1edbi nhi\u1ec1u k\u00edch c\u1ee1 v\u00e0 ho\u00e0n thi\u1ec7n kh\u00e1c nhau, bao g\u1ed3m M8, M10, M12, M14 v\u00e0 M16, v\u1edbi t\u00f9y ch\u1ecdn m\u1ea1 k\u1ebdm v\u00e0 th\u00e9p kh\u00f4ng g\u1ec9.\"  > <\/p>\n<blockquote>\n<p><strong>\u0110ai \u1ed1c nyloc l\u00e0 m\u1ed9t lo\u1ea1i \u0111ai \u1ed1c kh\u00f3a c\u00f3 v\u00f2ng nylon \u00f4m ch\u1eb7t ren bu l\u00f4ng nh\u1edd ma s\u00e1t, ng\u0103n ng\u1eeba l\u1ecfng ra do rung \u0111\u1ed9ng m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng ren.<\/strong><\/p>\n<\/blockquote>\n<p>B\u1ea1n c\u00f3 th\u1ec3 \u0111\u00e3 th\u1ea5y \u0111ai \u1ed1c nyloc tr\u00ean m\u1ecdi th\u1ee9 t\u1eeb b\u1ed9 chuy\u1ec3n s\u1ed1 xe \u0111\u1ea1p \u0111\u1ebfn thanh ray gh\u1ebf m\u00e1y bay. C\u00f3 l\u00fd do khi\u1ebfn n\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c m\u1ed1i gh\u00e9p ch\u1ed1ng rung su\u1ed1t h\u01a1n 80 n\u0103m qua: n\u00f3 \u0111\u00e1ng tin c\u1eady, gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t hay keo d\u00e1n. Tuy nhi\u00ean, ch\u1ecdn sai c\u1ea5p \u0111\u1ed9, v\u1eadt li\u1ec7u ho\u1eb7c th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn c\u00f3 th\u1ec3 bi\u1ebfn s\u1ef1 \u0111\u00e1ng tin c\u1eady \u0111\u00f3 th\u00e0nh r\u1ee7i ro. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m m\u1ecdi th\u1ee9 \u2014 c\u00e1ch c\u01a1 ch\u1ebf th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng, ti\u00eau chu\u1ea9n n\u00e0o \u00e1p d\u1ee5ng cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n, gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 m\u00e0 nhi\u1ec1u k\u1ef9 s\u01b0 b\u1ecf qua, v\u00e0 khi n\u00e0o n\u00ean b\u1ecf h\u1eb3n nyloc \u0111\u1ec3 chuy\u1ec3n sang lo\u1ea1i ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i.<\/p>\n<hr \/>\n<h2>\u0110ai \u1ed1c Nyloc l\u00e0 g\u00ec? \u0110\u1ecbnh ngh\u0129a v\u00e0 C\u00e1ch Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p><strong>\u0110ai \u1ed1c nyloc \u2014 c\u00f2n g\u1ecdi l\u00e0 \u0111ai \u1ed1c kh\u00f3a ch\u00e8n nylon, \u0111ai \u1ed1c kh\u00f3a ch\u00e8n polymer, ho\u1eb7c \u0111ai \u1ed1c d\u1eebng \u0111\u00e0n h\u1ed3i \u2014 l\u00e0 m\u1ed9t lo\u1ea1i \u0111ai \u1ed1c l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n v\u1edbi m\u1ed9t v\u00f2ng nylon \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o ph\u1ea7n tr\u00ean c\u1ee7a \u0111ai \u1ed1c.<\/strong> V\u00f2ng \u0111\u00f3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. Nh\u01b0 \u0111\u00e3 m\u00f4 t\u1ea3 trong <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nyloc_nut\" target=\"_blank\" rel=\"noopener\">\u1ed0c nyloc \u2014 Wikipedia<\/a>, ch\u00e8n nylon c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u1ee7a bu l\u00f4ng gh\u00e9p. Khi b\u1ea1n si\u1ebft bu l\u00f4ng qua, ren s\u1ebd c\u1eaft v\u00e0o nylon, t\u1ea1o ra m\u1ed9t kh\u1edbp ch\u1eb7t c\u1ea3n tr\u1edf xoay do rung \u0111\u1ed9ng ho\u1eb7c t\u1ea3i \u0111\u1ed9ng.<\/p>\n<p>Kh\u00e1i ni\u1ec7m n\u00e0y \u0111\u01a1n gi\u1ea3n m\u1ed9t c\u00e1ch tinh t\u1ebf \u2014 v\u00e0 \u0111\u00f3 ch\u00ednh l\u00e0 l\u00fd do n\u00f3 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t hi\u1ec7u qu\u1ea3 trong th\u1ef1c t\u1ebf. Kh\u00f4ng c\u1ea7n keo d\u00e1n \u0111\u1ec3 kh\u00f4, kh\u00f4ng ph\u1ea3i lo v\u1ec1 c\u1eeda s\u1ed5 ch\u1ed1ng h\u00f3a ch\u1ea5t (trong gi\u1edbi h\u1ea1n), v\u00e0 kh\u00f4ng c\u1ea7n th\u00eam \u0111ai \u1ed1c kh\u00f3a th\u1ee9 hai ho\u1eb7c long \u0111en kh\u00f3a.<\/p>\n<h3>C\u01a1 Ch\u1ebf Ch\u00e8n Nylon \u0110\u01b0\u1ee3c Gi\u1ea3i Th\u00edch<\/h3>\n<p>V\u00f2ng nylon n\u1eb1m \u1edf \u0111\u1ea7u kh\u00f4ng c\u00f3 ren c\u1ee7a \u0111ai \u1ed1c. V\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, n\u00f3 ch\u01b0a c\u00f3 ren cho \u0111\u1ebfn khi bu l\u00f4ng \u0103n v\u00e0o. Khi ren xo\u1eafn c\u1ee7a bu l\u00f4ng c\u1eaft v\u00e0o nylon m\u1ec1m, hai \u0111i\u1ec1u x\u1ea3y ra \u0111\u1ed3ng th\u1eddi:<\/p>\n<ol>\n<li><strong>N\u00e9n h\u01b0\u1edbng t\u00e2m<\/strong> \u2014 nylon \u00e9p v\u00e0o hai b\u00ean bu l\u00f4ng, t\u1ea1o ra ma s\u00e1t vu\u00f4ng g\u00f3c v\u1edbi \u0111\u01b0\u1eddng xo\u1eafn c\u1ee7a ren.<\/li>\n<li><strong>Ch\u1ed1ng xoay h\u01b0\u1edbng tr\u1ee5c<\/strong> \u2014 nylon b\u1ecb bi\u1ebfn d\u1ea1ng ch\u1ed1ng l\u1ea1i vi\u1ec7c bu l\u00f4ng b\u1ecb l\u1ecfng ra do rung \u0111\u1ed9ng v\u00ec n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u00f3a c\u01a1 h\u1ecdc v\u00e0o h\u00ecnh d\u1ea1ng ren.<\/li>\n<\/ol>\n<p>T\u1ed5ng ma s\u00e1t n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <em>m\u00f4-men xo\u1eafn gi\u1eef m\u00f4-men xo\u1eafn<\/em> \u2014 m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft \u0111\u1ec3 si\u1ebft \u0111ai \u1ed1c xu\u1ed1ng bu l\u00f4ng ngay c\u1ea3 khi ch\u01b0a c\u00f3 l\u1ef1c k\u1eb9p n\u00e0o t\u00e1c \u0111\u1ed9ng. DIN 985 v\u00e0 ISO 7042 quy \u0111\u1ecbnh gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u theo k\u00edch th\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh. V\u00ed d\u1ee5, \u0111ai \u1ed1c nyloc cho M10 c\u1ea5p 8 ph\u1ea3i duy tr\u00ec m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u kho\u1ea3ng 4 Nm sau n\u0103m chu k\u1ef3 si\u1ebft v\u00e0 th\u00e1o.<\/p>\n<h3>T\u1ea1i Sao Ch\u00e8n Nylon Kh\u00f4ng L\u00e0m H\u1ecfng Ren<\/h3>\n<p>M\u1ed9t lo ng\u1ea1i ph\u1ed5 bi\u1ebfn t\u1ea1i x\u01b0\u1edfng l\u00e0 h\u1ecfng ren. Th\u1ef1c t\u1ebf, \u0111i\u1ec1u n\u00e0y kh\u00f4ng x\u1ea3y ra \u2014 l\u00fd do l\u00e0: nylon (th\u01b0\u1eddng l\u00e0 nylon 6 ho\u1eb7c nylon 6.6) m\u1ec1m h\u01a1n nhi\u1ec1u so v\u1edbi th\u00e9p, \u0111\u1ed3ng thau ho\u1eb7c th\u1eadm ch\u00ed nh\u00f4m. Nylon bi\u1ebfn d\u1ea1ng quanh h\u00ecnh d\u1ea1ng ren thay v\u00ec b\u1ecb x\u00e9 ho\u1eb7c c\u00e0o x\u01b0\u1edbc. Ren bu l\u00f4ng v\u1eabn s\u1ea1ch v\u00e0 c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng. Ng\u01b0\u1ee3c l\u1ea1i, \u0111ai \u1ed1c nyloc l\u00e0 b\u1ed9 ph\u1eadn b\u1ecb m\u00f2n \u2014 s\u1ebd n\u00f3i th\u00eam v\u1ec1 gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng \u1edf ph\u1ea7n sau.<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>\u0110ai \u1ed1c Nyloc<\/th>\n<th>\u1ed0c v\u00edt h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00e1ng rung<\/td>\n<td>Cao (m\u00f4-men xo\u1eafn duy tr\u00ec)<\/td>\n<td>Kh\u00f4ng c\u00f3 n\u1ebfu kh\u00f4ng c\u00f3 kh\u00f3a ph\u1ee5<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea7n kh\u00f3a ph\u1ee5<\/td>\n<td>No<\/td>\n<td>C\u00f3 (Loctite, v\u00f2ng ch\u1eb7n, v.v.)<\/td>\n<\/tr>\n<tr>\n<td>C\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng<\/td>\n<td>3\u20135 chu k\u1ef3 (gi\u1edbi h\u1ea1n)<\/td>\n<td>Kh\u00f4ng gi\u1edbi h\u1ea1n<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a<\/td>\n<td>~121\u00b0C (250\u00b0F)<\/td>\n<td>&gt;500\u00b0C v\u1edbi bu l\u00f4ng th\u00e9p<\/td>\n<\/tr>\n<tr>\n<td>Nguy c\u01a1 h\u01b0 h\u1ea1i ren<\/td>\n<td>T\u1ed1i thi\u1ec3u (nylon m\u1ec1m h\u01a1n)<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed cao h\u01a1n so v\u1edbi lo\u1ea1i ti\u00eau chu\u1ea9n<\/td>\n<td>15\u201340%<\/td>\n<td>C\u01a1 s\u1edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>C\u00e1c lo\u1ea1i \u0111ai \u1ed1c Nyloc: Ti\u00eau chu\u1ea9n, C\u1ea5p \u0111\u1ed9 v\u00e0 Bi\u1ebfn th\u1ec3<\/h2>\n<p><strong>S\u1ea3n ph\u1ea9m \u0111ai \u1ed1c nyloc \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo nhi\u1ec1u ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf, m\u1ed7i ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh chi\u1ec1u cao \u0111ai \u1ed1c, c\u1ea5p \u0111\u1ed9 c\u01a1 t\u00ednh v\u00e0 ph\u1ea1m vi hi\u1ec7u su\u1ea5t ri\u00eang.<\/strong> Bi\u1ebft ti\u00eau chu\u1ea9n n\u00e0o \u00e1p d\u1ee5ng cho c\u1ee5m l\u1eafp r\u00e1p c\u1ee7a b\u1ea1n l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u00fang \u2014 k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd v\u00e0 t\u00ednh ch\u1ea5t c\u01a1 h\u1ecdc kh\u00e1c nhau \u0111\u1ee7 \u0111\u1ec3 g\u00e2y ra l\u1ed7i l\u1eafp r\u00e1p n\u1ebfu b\u1ea1n tr\u1ed9n l\u1eabn ch\u00fang.<\/p>\n<h3>DIN 985 so v\u1edbi DIN 982 \u2014 Hai ti\u00eau chu\u1ea9n l\u1ee5c gi\u00e1c c\u1ed1t l\u00f5i<\/h3>\n<p>DIN 985 l\u00e0 ti\u00eau chu\u1ea9n \u0111ai \u1ed1c nyloc ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u2014 \u0111ai \u1ed1c nyloc l\u1ee5c gi\u00e1c th\u1ea5p (m\u1ecfng). Chi\u1ec1u cao l\u1ee5c gi\u00e1c x\u1ea5p x\u1ec9 0,8\u00d7 chi\u1ec1u r\u1ed9ng \u0111ai \u1ed1c, gi\u00fap n\u00f3 nh\u1ecf g\u1ecdn h\u01a1n so v\u1edbi \u0111ai \u1ed1c ti\u00eau chu\u1ea9n chi\u1ec1u cao \u0111\u1ea7y \u0111\u1ee7. Ki\u1ec3u d\u00e1ng n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n chi\u1ec1u cao x\u1ebfp ch\u1ed3ng th\u1ea5p: li\u00ean k\u1ebft gi\u1ea3m x\u00f3c, moay \u01a1 b\u00e1nh xe, linh ki\u1ec7n xe \u0111\u1ea1p.<\/p>\n<p>DIN 982 l\u00e0 lo\u1ea1i cao (chi\u1ec1u cao \u0111\u1ea7y \u0111\u1ee7) t\u01b0\u01a1ng \u0111\u01b0\u01a1ng \u2014 ph\u1ea7n l\u1ee5c gi\u00e1c c\u00f3 chi\u1ec1u cao g\u1ea7n b\u1eb1ng chi\u1ec1u r\u1ed9ng \u0111ai \u1ed1c. N\u00f3 t\u1ea1o ra m\u00f4-men xo\u1eafn gi\u1eef l\u1edbn h\u01a1n v\u00e0 l\u1ef1c k\u1eb9p t\u1ed1t h\u01a1n DIN 985 c\u00f9ng k\u00edch th\u01b0\u1edbc danh ngh\u0129a, nh\u01b0ng c\u1ea7n nhi\u1ec1u ren \u0103n kh\u1edbp h\u01a1n v\u00e0 kh\u00f4ng gian tr\u1ee5c l\u1edbn h\u01a1n. S\u1eed d\u1ee5ng DIN 982 khi m\u1ed1i n\u1ed1i ch\u1ecbu t\u1ea3i \u0111\u1ed9ng li\u00ean t\u1ee5c ho\u1eb7c khi b\u1ea1n g\u1ea7n gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc m\u00e0 chi\u1ec1u cao gi\u1ea3m c\u1ee7a DIN 985 b\u1eaft \u0111\u1ea7u tr\u1edf n\u00ean kh\u00f4ng \u0111\u1ee7.<\/p>\n<p>ISO 7042 thay th\u1ebf c\u1ea3 hai cho c\u00e1c thi\u1ebft k\u1ebf k\u1ef9 thu\u1eadt m\u1edbi \u2014 n\u00f3 \u0111\u1ed3ng b\u1ed9 h\u00f3a k\u00edch th\u01b0\u1edbc h\u1ec7 m\u00e9t v\u1edbi h\u1ec7 th\u1ed1ng c\u1ea5p \u0111\u1ed9 c\u01a1 t\u00ednh m\u1edf r\u1ed9ng (6, 8, 10) v\u00e0 quy \u0111\u1ecbnh m\u00f4-men xo\u1eafn gi\u1eef ch\u1eb7t ch\u1ebd h\u01a1n. N\u1ebfu t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n ch\u1ec9 \u0111\u1ecbnh ISO, kh\u00f4ng thay th\u1ebf b\u1eb1ng DIN n\u1ebfu ch\u01b0a ki\u1ec3m tra v\u1edbi b\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt.<\/p>\n<h3>\u0110ai \u1ed1c Nyloc h\u1ec7 m\u00e9t so v\u1edbi h\u1ec7 UNC\/UNF inch<\/h3>\n<p>Ki\u1ec3u ren r\u1ea5t quan tr\u1ecdng. \u0110ai \u1ed1c nyloc h\u1ec7 m\u00e9t (M6, M8, M10\u2026) s\u1eed d\u1ee5ng ren h\u1ec7 m\u00e9t 60\u00b0 v\u1edbi b\u01b0\u1edbc ren ti\u00eau chu\u1ea9n. \u0110ai \u1ed1c nyloc h\u1ec7 inch s\u1eed d\u1ee5ng ren UNC (th\u00f4) ho\u1eb7c UNF (m\u1ecbn), ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1eeb 1\/4\u2033-20 UNC \u0111\u1ebfn 1\u2033-8 UNC. Ch\u00fang kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau \u2014 tuy\u1ec7t \u0111\u1ed1i kh\u00f4ng.<\/p>\n<p>Tr\u00ean th\u1ef1c t\u1ebf, h\u1ec7 m\u00e9t chi\u1ebfm \u01b0u th\u1ebf trong c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea1i Vi\u1ec7t Nam, ch\u00e2u \u00c1 v\u00e0 h\u1ea7u h\u1ebft c\u00e1c ng\u00e0nh \u00f4 t\u00f4 hi\u1ec7n \u0111\u1ea1i. H\u1ec7 inch v\u1eabn l\u00e0 ti\u00eau chu\u1ea9n trong ng\u00e0nh h\u00e0ng kh\u00f4ng, thi\u1ebft b\u1ecb HVAC c\u0169 v\u00e0 m\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam. Vi\u1ec7c d\u1ef1 tr\u1eef c\u1ea3 hai lo\u1ea1i l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 tr\u00e1nh kh\u1ecfi \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb cung c\u1ea5p v\u1eadt t\u01b0 li\u00ean k\u1ebft t\u1ed5ng h\u1ee3p.<\/p>\n<h3>C\u00e1c bi\u1ebfn th\u1ec3 \u0111ai \u1ed1c Nyloc c\u00f3 v\u00e0nh, Nyloc m\u1ecfng v\u00e0 Nyloc n\u1eeda<\/h3>\n<p>Ngo\u00e0i h\u00ecnh h\u1ecdc l\u1ee5c gi\u00e1c, d\u00f2ng \u0111ai \u1ed1c nyloc c\u00f2n bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Nyloc m\u1eb7t b\u00edch (\u0111ai \u1ed1c kh\u00f3a m\u1eb7t b\u00edch c\u00f3 r\u0103ng c\u01b0a)<\/strong>: M\u1eb7t b\u00edch c\u00f3 r\u0103ng c\u01b0a gi\u00fap b\u00e1m v\u00e0o b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng ch\u1ed1ng rung c\u1ee7a l\u1edbp nylon v\u1edbi ma s\u00e1t b\u1ed5 sung t\u1eeb m\u1eb7t b\u00edch. Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean v\u1eadt li\u1ec7u m\u1ec1m (nh\u00f4m, t\u1ea5m nh\u1ef1a) n\u01a1i \u0111ai \u1ed1c nyloc th\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1ecb k\u00e9o xuy\u00ean qua.<\/li>\n<li><strong>Nyloc m\u1ecfng (n\u1eeda \u0111ai \u1ed1c)<\/strong>: C\u00f3 chi\u1ec1u cao th\u1ea5p h\u01a1n DIN 985, d\u00f9ng cho c\u00e1c v\u1ecb tr\u00ed c\u00f3 kh\u00f4ng gian h\u1ea1n ch\u1ebf. M\u00f4-men xo\u1eafn gi\u1eef gi\u1ea3m \u2014 c\u1ea7n ki\u1ec3m tra \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u kh\u00f3a tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/li>\n<li><strong>\u0110ai \u1ed1c kh\u00f3a to\u00e0n b\u1ed9 b\u1eb1ng nylon<\/strong>: To\u00e0n b\u1ed9 \u0111ai \u1ed1c l\u00e0m b\u1eb1ng nylon (PA6 ho\u1eb7c PA66). Kh\u00f4ng c\u00f3 ti\u1ebfp x\u00fac ren kim lo\u1ea1i. D\u00f9ng trong \u0111i\u1ec7n t\u1eed, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, ho\u1eb7c b\u1ea5t k\u1ef3 tr\u01b0\u1eddng h\u1ee3p n\u00e0o y\u00eau c\u1ea7u kh\u00f4ng c\u00f3 nhi\u1ec5m kim lo\u1ea1i. Kh\u00f4ng ph\u1ea3i l\u00e0 \u0111ai \u1ed1c ch\u1ecbu t\u1ea3i.<\/li>\n<li><strong>\u0110ai \u1ed1c ch\u00e8n nyloc cho v\u00edt \u0111\u1ea7u l\u1ee5c gi\u00e1c<\/strong>: Ki\u1ec3u \u0111\u1ea7u l\u1ee5c gi\u00e1c c\u00f3 ch\u00e8n nylon \u1edf \u0111\u00e1y \u2014 nh\u1ecf g\u1ecdn, d\u00f9ng cho l\u1eafp r\u00e1p l\u1ed7 m\u00f9.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/06\/02-types.png\" alt=\"C\u1eadn c\u1ea3nh c\u00e1c lo\u1ea1i \u0111ai \u1ed1c l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n DIN v\u00e0 \u0111ai \u1ed1c kh\u00f3a nylon \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp tr\u00ean b\u1ec1 m\u1eb7t t\u1ed1i, th\u1ec3 hi\u1ec7n nhi\u1ec1u ki\u1ec3u d\u00e1ng kh\u00e1c nhau bao g\u1ed3m \u0111ai \u1ed1c th\u1ea5p, \u0111ai \u1ed1c cao v\u00e0 \u0111ai \u1ed1c kh\u00f3a nylon c\u00f3 r\u0103ng c\u01b0a.\"  > <\/p>\n<table>\n<thead>\n<tr>\n<th>Ti\u00eau chu\u1ea9n<\/th>\n<th>Chi\u1ec1u cao<\/th>\n<th>C\u00e1c c\u1ea5p t\u00ednh ch\u1ea5t<\/th>\n<th>T\u1ed1t nh\u1ea5t cho<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DIN 985<\/td>\n<td>Th\u1ea5p (~0,8\u00d7 AF)<\/td>\n<td>6, 8<\/td>\n<td>Chung, y\u00eau c\u1ea7u chi\u1ec1u cao x\u1ebfp ch\u1ed3ng<\/td>\n<\/tr>\n<tr>\n<td>DIN 982<\/td>\n<td>\u0110\u1ea7y \u0111\u1ee7 (~1\u00d7 AF)<\/td>\n<td>6, 8, 10<\/td>\n<td>T\u1ea3i \u0111\u1ed9ng cao, rung li\u00ean t\u1ee5c<\/td>\n<\/tr>\n<tr>\n<td>ISO 7042<\/td>\n<td>To\u00e0n b\u1ed9<\/td>\n<td>6, 8, 10<\/td>\n<td>Thi\u1ebft k\u1ebf m\u1edbi, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt theo ISO<\/td>\n<\/tr>\n<tr>\n<td>M\u1eb7t b\u00edch (DIN 6926)<\/td>\n<td>\u0110\u1ea7y \u0111\u1ee7 + m\u1eb7t b\u00edch<\/td>\n<td>6, 8<\/td>\n<td>V\u1eadt li\u1ec7u m\u1ec1m, t\u00f4n<\/td>\n<\/tr>\n<tr>\n<td>N\u1eeda (m\u1ecfng)<\/td>\n<td>Si\u00eau th\u1ea5p<\/td>\n<td>6<\/td>\n<td>C\u1ee5m l\u1eafp r\u00e1p nh\u1ecf g\u1ecdn, h\u1ea1n ch\u1ebf kh\u00f4ng gian<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>V\u1eadt li\u1ec7u \u0111ai \u1ed1c Nyloc: L\u1edbp ho\u00e0n thi\u1ec7n n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/h2>\n<p><strong>V\u1eadt li\u1ec7u n\u1ec1n v\u00e0 l\u1edbp ho\u00e0n thi\u1ec7n b\u1ec1 m\u1eb7t c\u1ee7a \u0111ai \u1ed1c nyloc quy\u1ebft \u0111\u1ecbnh kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, t\u1ea3i tr\u1ecdng t\u1ed1i \u0111a v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi bu l\u00f4ng gh\u00e9p n\u1ed1i \u2014 c\u1ea3 ba y\u1ebfu t\u1ed1 n\u00e0y \u0111\u1ec1u ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh.<\/strong> \u0110\u00e2y l\u00e0 n\u01a1i h\u1ea7u h\u1ebft c\u00e1c l\u1ed7i ch\u1ec9 \u0111\u1ecbnh x\u1ea3y ra: k\u1ef9 s\u01b0 th\u01b0\u1eddng ch\u1ecdn ph\u01b0\u01a1ng \u00e1n r\u1ebb nh\u1ea5t m\u00e0 kh\u00f4ng ki\u1ec3m tra \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac.<\/p>\n<h3>Th\u00e9p m\u1ea1 k\u1ebdm \u2014 M\u1ee5c \u0111\u00edch chung<\/h3>\n<p>Lo\u1ea1i \u0111ai \u1ed1c nyloc \u0111\u01b0\u1ee3c l\u01b0u kho ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 th\u00e9p cacbon (c\u1ea5p 6 ho\u1eb7c 8) v\u1edbi l\u1edbp m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n, th\u01b0\u1eddng d\u00e0y 5\u20138 \u00b5m. N\u00f3 cung c\u1ea5p kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 ch\u1ed1ng \u0103n m\u00f2n v\u1eeba \u0111\u1ee7 cho m\u00f4i tr\u01b0\u1eddng trong nh\u00e0 ho\u1eb7c c\u00f3 m\u00e1i che nh\u1eb9 \u2014 v\u00ed d\u1ee5 nh\u01b0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p chung, gi\u00e1 \u0111\u1ee1 n\u1ed9i th\u1ea5t v\u00e0 \u1ed1ng d\u1eabn HVAC. L\u1edbp m\u1ea1 k\u1ebdm l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 hy sinh: n\u00f3 b\u1ecb \u0103n m\u00f2n tr\u01b0\u1edbc th\u00e9p n\u1ec1n, gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian trong kh\u00f4ng kh\u00ed \u1ea9m.<\/p>\n<p>H\u1ea1n ch\u1ebf s\u1ebd r\u00f5 r\u00e0ng khi b\u1ea1n s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi. \u0110ai \u1ed1c nyloc m\u1ea1 k\u1ebdm tr\u00ean r\u01a1-mo\u00f3c bi\u1ec3n s\u1ebd xu\u1ea5t hi\u1ec7n g\u1ec9 \u0111\u1ecf \u1edf m\u00e9p c\u1eaft ch\u1ec9 sau m\u1ed9t m\u00f9a. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ed7i c\u1ee7a thi\u1ebft k\u1ebf \u0111ai \u1ed1c nyloc; m\u00e0 l\u00e0 do ch\u1ecdn sai v\u1eadt li\u1ec7u. Trong c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi ho\u1eb7c d\u1ec5 ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m, h\u00e3y chuy\u1ec3n sang lo\u1ea1i c\u00f3 ph\u1ee7 ho\u1eb7c inox.<\/p>\n<p>\u0110ai \u1ed1c nyloc m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (HDG) cung c\u1ea5p l\u1edbp k\u1ebdm d\u00e0y 50\u201380 \u00b5m, k\u00e9o d\u00e0i \u0111\u00e1ng k\u1ec3 tu\u1ed5i th\u1ecd ngo\u00e0i tr\u1eddi. L\u1edbp ph\u1ee7 d\u00e0y n\u00e0y l\u00e0m gi\u1ea3m nh\u1eb9 kh\u1ea3 n\u0103ng \u0103n kh\u1edbp ren \u2014 h\u00e3y ki\u1ec3m tra \u0111\u1ed9 v\u1eeba kh\u00edt ren b\u1eb1ng th\u01b0\u1edbc \u0111o go\/no-go tr\u01b0\u1edbc khi l\u1eafp r\u00e1p.<\/p>\n<h3>\u0110ai \u1ed1c Nyloc Inox A2 v\u00e0 A4<\/h3>\n<p>Inox l\u00e0 l\u1ef1a ch\u1ecdn n\u00e2ng c\u1ea5p m\u1eb7c \u0111\u1ecbnh cho c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi, h\u00e0ng h\u1ea3i, th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m. Hai c\u1ea5p \u0111\u1ed9 ch\u00ednh:<\/p>\n<ul>\n<li><strong>A2 (Inox 304)<\/strong>: Inox Austenit, kho\u1ea3ng 18% crom \/ 8% niken. Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed5ng th\u1ec3 xu\u1ea5t s\u1eafc. L\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n cho h\u1ea7u h\u1ebft c\u00e1c m\u00f4i tr\u01b0\u1eddng ngo\u00e0i tr\u1eddi, d\u1ecbch v\u1ee5 th\u1ef1c ph\u1ea9m v\u00e0 h\u00f3a ch\u1ea5t nh\u1eb9.<\/li>\n<li><strong>A4 (Inox 316)<\/strong>: B\u1ed5 sung 2\u20133% molypden so v\u1edbi A2, c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng clorua. B\u1eaft bu\u1ed9c d\u00f9ng cho m\u00f4i tr\u01b0\u1eddng ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi n\u01b0\u1edbc mu\u1ed1i \u2014 t\u00e0u thuy\u1ec1n, ph\u1ee5 ki\u1ec7n c\u1ea7u c\u1ea3ng, k\u1ebft c\u1ea5u ven bi\u1ec3n, \u0111\u01b0\u1eddng \u1ed1ng nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t. Th\u00e0nh ph\u1ea7n molypden gi\u00fap ng\u0103n ng\u1eeba \u0103n m\u00f2n l\u1ed7 trong m\u00f4i tr\u01b0\u1eddng gi\u00e0u clorua.<\/li>\n<\/ul>\n<p>Th\u1ef1c t\u1ebf, \u0111ai \u1ed1c nyloc inox A2 \u0111\u00e1p \u1ee9ng ph\u1ea7n l\u1edbn c\u00e1c \u1ee9ng d\u1ee5ng b\u1ecb ch\u1ec9 \u0111\u1ecbnh sai l\u00e0 \u201cch\u1ec9 c\u1ea7n d\u00f9ng inox\u201d. H\u00e3y d\u00e0nh A4 cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p c\u00f3 nguy c\u01a1 \u0103n m\u00f2n l\u1ed7 do clorua \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n<p>C\u1ea5p t\u00ednh ch\u1ea5t cho \u0111ai \u1ed1c nyloc inox: A2-50 v\u00e0 A4-50 l\u00e0 ti\u00eau chu\u1ea9n (gi\u1edbi h\u1ea1n ch\u1ea3y ~210 MPa), v\u1edbi A2-70 v\u00e0 A4-70 d\u00f9ng cho \u1ee9ng d\u1ee5ng t\u1ea3i tr\u1ecdng cao h\u01a1n (gi\u1edbi h\u1ea1n ch\u1ea3y ~450 MPa). \u0110\u1eebng cho r\u1eb1ng inox t\u1ef1 \u0111\u1ed9ng m\u1ea1nh h\u01a1n \u2014 A2-50 y\u1ebfu h\u01a1n \u0111ai \u1ed1c th\u00e9p cacbon m\u1ea1 k\u1ebdm c\u1ea5p 8.<\/p>\n<h3>T\u00f9y ch\u1ecdn b\u1eb1ng \u0111\u1ed3ng thau v\u00e0 m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/h3>\n<p>\u0110ai \u1ed1c nyloc \u0111\u1ed3ng thau ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n v\u00e0 \u1ed1ng n\u01b0\u1edbc t\u1ea3i tr\u1ecdng th\u1ea5p, n\u01a1i c\u1ea7n t\u01b0\u01a1ng th\u00edch \u0111i\u1ec7n h\u00f3a v\u1edbi ph\u1ee5 ki\u1ec7n \u0111\u1ed3ng. \u0110\u1ed3ng thau kh\u00f4ng nhi\u1ec5m t\u1eeb, r\u1ea5t quan tr\u1ecdng trong m\u00f4i tr\u01b0\u1eddng MRI ho\u1eb7c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m. \u0110\u1ed3ng thau c\u0169ng kh\u00e1 m\u1ec1m \u2014 kh\u00f4ng n\u00ean k\u1ebft h\u1ee3p \u0111ai \u1ed1c nyloc \u0111\u1ed3ng thau v\u1edbi bu l\u00f4ng th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao tr\u1eeb khi \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p.<\/p>\n<hr \/>\n<h2>C\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0 si\u1ebft l\u1ef1c \u0111ai \u1ed1c Nyloc \u0111\u00fang c\u00e1ch<\/h2>\n<p><strong>V\u1eb7n \u0111ai \u1ed1c nyloc v\u00e0o bu l\u00f4ng v\u1edbi \u0111\u1ea7u nylon h\u01b0\u1edbng ra xa m\u1ed1i n\u1ed1i \u2014 nylon s\u1ebd v\u00e0o sau c\u00f9ng, h\u01b0\u1edbng v\u1ec1 ph\u00eda \u0111\u1ea7u m\u1edf c\u1ee7a bu l\u00f4ng.<\/strong> \u0110\u1ea3o ng\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y s\u1ebd l\u00e0m h\u1ecfng ho\u00e0n to\u00e0n ch\u1ee9c n\u0103ng kh\u00f3a: ph\u1ea7n nylon s\u1ebd v\u00e0o tr\u01b0\u1edbc v\u00e0 c\u00e1c ren l\u1ee5c gi\u00e1c s\u1ebd kh\u00f4ng \u0103n kh\u1edbp \u0111\u00fang c\u00e1ch.<\/p>\n<h3>\u0110ai \u1ed1c nyloc l\u1eafp theo h\u01b0\u1edbng n\u00e0o?<\/h3>\n<p>M\u1eb7t kim lo\u1ea1i ph\u1eb3ng \u00e1p v\u00e0o b\u1ec1 m\u1eb7t kh\u1edbp n\u1ed1i (ho\u1eb7c v\u00f2ng \u0111\u1ec7m). \u0110\u1ea7u l\u1ed3i \u2014 n\u01a1i c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y mi\u1ebfng ch\u00e8n nylon \u2014 h\u01b0\u1edbng ra ngo\u00e0i. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o:<\/p>\n<ol>\n<li>C\u00e1c ren kim lo\u1ea1i \u0103n kh\u1edbp ho\u00e0n to\u00e0n v\u1edbi bu l\u00f4ng v\u00e0 t\u1ea1o ra l\u1ef1c k\u1eb9p.<\/li>\n<li>Mi\u1ebfng ch\u00e8n nylon s\u1ebd \u0103n kh\u1edbp v\u1edbi bu l\u00f4ng \u1edf v\u1ecb tr\u00ed si\u1ebft ch\u1eb7t ho\u00e0n to\u00e0n, n\u01a1i n\u00f3 cung c\u1ea5p m\u00f4-men kh\u00f3a t\u1ed1i \u0111a.<\/li>\n<\/ol>\n<p>C\u00e1ch ki\u1ec3m tra nhanh t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng: nh\u00ecn v\u00e0o \u0111\u1ea7u \u0111ai \u1ed1c. N\u1ebfu b\u1ea1n th\u1ea5y m\u1ed9t v\u00f2ng nylon m\u00e0u tr\u1eafng ho\u1eb7c m\u00e0u kem, \u0111\u00f3 l\u00e0 m\u1eb7t ngo\u00e0i. N\u1ebfu b\u1ea1n ch\u1ec9 th\u1ea5y kim lo\u1ea1i l\u1ee5c gi\u00e1c, \u0111\u00f3 l\u00e0 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi kh\u1edbp n\u1ed1i.<\/p>\n<h3>H\u01b0\u1edbng d\u1eabn m\u00f4-men xo\u1eafn v\u00e0 m\u00f4-men xo\u1eafn duy tr\u00ec<\/h3>\n<p>Th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn cho \u0111ai \u1ed1c nyloc l\u00e0 t\u1ed5ng c\u1ee7a hai th\u00e0nh ph\u1ea7n:<\/p>\n<ol>\n<li><strong>L\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i<\/strong> \u2014 ma s\u00e1t t\u1eeb mi\u1ebfng ch\u00e8n nylon (thay \u0111\u1ed5i theo k\u00edch th\u01b0\u1edbc; kho\u1ea3ng 1\u201310 Nm t\u00f9y theo \u0111\u01b0\u1eddng k\u00ednh)<\/li>\n<li><strong>M\u00f4-men xo\u1eafn k\u1eb9p<\/strong> \u2014 m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1c k\u1eb9p m\u1ee5c ti\u00eau cho kh\u1edbp n\u1ed1i<\/li>\n<\/ol>\n<p>T\u1ed5ng m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t = m\u00f4-men xo\u1eafn duy tr\u00ec + m\u00f4-men xo\u1eafn k\u1eb9p. N\u1ebfu b\u1ea1n ch\u1ec9 \u0111\u1ecbnh m\u00f4-men xo\u1eafn k\u1eb9p (nh\u01b0 v\u1edbi \u0111ai \u1ed1c th\u01b0\u1eddng), b\u1ea1n s\u1ebd si\u1ebft thi\u1ebfu l\u1ef1c v\u00e0 d\u1eabn \u0111\u1ebfn thi\u1ebfu l\u1ef1c k\u1eb9p.<\/p>\n<p>H\u1ea7u h\u1ebft c\u00e1c s\u1ed5 tay v\u1ec1 bu l\u00f4ng \u0111\u1ec1u c\u00f4ng b\u1ed1 d\u1ea3i m\u00f4-men xo\u1eafn duy tr\u00ec theo k\u00edch th\u01b0\u1edbc v\u00e0 ti\u00eau chu\u1ea9n. V\u1edbi \u0111ai \u1ed1c nyloc M10 DIN 985 c\u1ea5p 8, m\u00f4-men xo\u1eafn duy tr\u00ec \u0111i\u1ec3n h\u00ecnh l\u00e0 2\u20135 Nm, v\u00e0 t\u1ed5ng m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t (cho bu l\u00f4ng c\u1ea5p 8.8, t\u1ea3i ki\u1ec3m tra 70%) kho\u1ea3ng 45\u201350 Nm. Lu\u00f4n x\u00e1c nh\u1eadn theo b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee5 th\u1ec3 \u2014 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c nhau c\u00f3 th\u1ec3 thay \u0111\u1ed5i.<\/p>\n<blockquote>\n<p><strong>M\u1eb9o th\u1ef1c t\u1ebf<\/strong>: N\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 v\u1eb7n \u0111ai \u1ed1c nyloc xu\u1ed1ng bu l\u00f4ng b\u1eb1ng tay qua ph\u1ea7n nylon, mi\u1ebfng ch\u00e8n \u0111\u00e3 b\u1ecb m\u00f2n ho\u1eb7c sai k\u00edch th\u01b0\u1edbc. Kh\u00f4ng n\u00ean t\u00e1i s\u1eed d\u1ee5ng.<\/p>\n<\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/06\/03-howto.png\" alt=\"Bu l\u00f4ng m\u1eb7t b\u00edch ch\u1ea5t l\u01b0\u1ee3ng cao \u0111ang \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t trong x\u01b0\u1edfng s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.\"  > <\/p>\n<h3>Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng: \u0110ai \u1ed1c nyloc c\u00f3 th\u1ec3 d\u00f9ng l\u1ea1i bao nhi\u00eau l\u1ea7n?<\/h3>\n<p>C\u00e2u tr\u1ea3 l\u1eddi theo ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt l\u00e0 m\u1ed9t l\u1ea7n \u2014 \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp quan tr\u1ecdng v\u1ec1 an to\u00e0n. Th\u1ef1c t\u1ebf, h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng cho ph\u00e9p 3\u20135 chu k\u1ef3 l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc khi m\u00f4-men xo\u1eafn duy tr\u00ec gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ee9c t\u1ed1i thi\u1ec3u theo DIN 985 ho\u1eb7c ISO 7042.<\/p>\n<p>Ki\u1ec3m tra \u0111ai \u1ed1c nyloc \u0111\u00e3 m\u00f2n r\u1ea5t \u0111\u01a1n gi\u1ea3n: v\u1eb7n n\u00f3 v\u00e0o m\u1ed9t bu l\u00f4ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng (kh\u00f4, s\u1ea1ch) v\u00e0 ki\u1ec3m tra xem c\u00f3 l\u1ef1c c\u1ea3n \u0111\u00e1ng k\u1ec3 n\u00e0o khi \u0111i qua v\u00f9ng mi\u1ebfng ch\u00e8n nylon kh\u00f4ng. N\u1ebfu n\u00f3 quay t\u1ef1 do b\u1eb1ng l\u1ef1c tay, \u0111\u00e3 h\u1ebft t\u00e1c d\u1ee5ng. N\u1ebfu c\u00f3 l\u1ef1c c\u1ea3n r\u00f5 r\u00e0ng c\u1ea7n d\u00f9ng d\u1ee5ng c\u1ee5 \u2014 th\u01b0\u1eddng l\u00e0 tr\u00ean 0,5 Nm \u2014 th\u00ec v\u1eabn c\u00f2n kh\u1ea3 n\u0103ng kh\u00f3a hi\u1ec7u qu\u1ea3.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c chi ti\u1ebft an to\u00e0n \u00f4 t\u00f4 (b\u1ea1c \u0111\u1ea1n b\u00e1nh xe, c\u00e0ng \u0111i\u1ec1u khi\u1ec3n, c\u00e1c b\u1ed9 ph\u1eadn l\u00e1i), lu\u00f4n thay m\u1edbi \u0111ai \u1ed1c nyloc m\u1ed7i l\u1ea7n th\u00e1o l\u1eafp. Chi ph\u00ed m\u1ed9t \u0111ai \u1ed1c m\u1edbi nh\u1ecf h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi r\u1ee7i ro c\u1ee7a m\u1ed9t kh\u1edbp n\u1ed1i an to\u00e0n b\u1ecb l\u1ecfng.<\/p>\n<hr \/>\n<h2>Khi KH\u00d4NG n\u00ean s\u1eed d\u1ee5ng \u0111ai \u1ed1c nyloc \u2014 Gi\u1edbi h\u1ea1n \u1ee9ng d\u1ee5ng quan tr\u1ecdng<\/h2>\n<p><strong>Kh\u00f4ng s\u1eed d\u1ee5ng \u0111ai \u1ed1c nyloc \u1edf nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh li\u00ean t\u1ee5c tr\u00ean 120\u00b0C (248\u00b0F)<\/strong> \u2014 \u0111\u00e2y l\u00e0 gi\u1edbi h\u1ea1n \u1ee9ng d\u1ee5ng b\u1ecb vi ph\u1ea1m ph\u1ed5 bi\u1ebfn nh\u1ea5t trong th\u1ef1c t\u1ebf. Nylon b\u1ecb suy gi\u1ea3m nhi\u1ec7t tr\u01b0\u1edbc khi n\u00f3ng ch\u1ea3y: \u1edf nhi\u1ec7t \u0111\u1ed9 li\u00ean t\u1ee5c tr\u00ean 120\u00b0C, l\u1edbp ch\u00e8n m\u1ea5t t\u00ednh \u0111\u00e0n h\u1ed3i, m\u00f4-men gi\u1eef gi\u1ea3m m\u1ea1nh v\u00e0 ch\u1ee9c n\u0103ng kh\u00f3a b\u1ecb m\u1ea5t m\u00e0 kh\u00f4ng c\u00f3 d\u1ea5u hi\u1ec7u.<\/p>\n<h3>Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111ai \u1ed1c Nyloc<\/h3>\n<p>L\u1edbp ch\u00e8n nylon trong \u0111ai \u1ed1c nyloc ti\u00eau chu\u1ea9n th\u01b0\u1eddng l\u00e0 PA6 ho\u1eb7c PA6.6 (nylon 6 ho\u1eb7c 66). Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh:<\/p>\n<table>\n<thead>\n<tr>\n<th>V\u1eadt li\u1ec7u<\/th>\n<th>S\u1eed d\u1ee5ng li\u00ean t\u1ee5c t\u1ed1i \u0111a<\/th>\n<th>\u0110\u1ec9nh (ng\u1eafn h\u1ea1n)<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1edbp ch\u00e8n nyloc PA6<\/td>\n<td>80\u2013100\u00b0C<\/td>\n<td>130\u00b0C<\/td>\n<td>C\u00e1c lo\u1ea1i ph\u1ed5 th\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp ch\u00e8n nyloc PA6.6<\/td>\n<td>100\u2013120\u00b0C<\/td>\n<td>150\u00b0C<\/td>\n<td>Ti\u00eau chu\u1ea9n EN<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp ch\u00e8n polymer ch\u1ecbu nhi\u1ec7t cao (PA46, PPS)<\/td>\n<td>140\u2013180\u00b0C<\/td>\n<td>220\u00b0C<\/td>\n<td>C\u00e1c lo\u1ea1i cao c\u1ea5p, x\u00e1c nh\u1eadn v\u1edbi nh\u00e0 cung c\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u0110ai \u1ed1c kh\u00f3a to\u00e0n kim lo\u1ea1i (m\u00f4-men gi\u1eef)<\/td>\n<td>&gt;500\u00b0C<\/td>\n<td>\u2014<\/td>\n<td>Kh\u00f4ng c\u00f3 th\u00e0nh ph\u1ea7n polymer<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Khoang \u0111\u1ed9ng c\u01a1, khu v\u1ef1c g\u1ea7n \u1ed1ng x\u1ea3 ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n c\u00f3 chu k\u1ef3 cao th\u01b0\u1eddng v\u01b0\u1ee3t qu\u00e1 120\u00b0C. Vi\u1ec7c ch\u1ec9 \u0111\u1ecbnh \u0111ai \u1ed1c nyloc ti\u00eau chu\u1ea9n trong nh\u1eefng m\u00f4i tr\u01b0\u1eddng \u0111\u00f3 l\u00e0 m\u1ed9t l\u1ed7i t\u00e0i li\u1ec7u. H\u00e3y n\u00e2ng c\u1ea5p l\u00ean \u0111ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i \u2014 lo\u1ea1i ren bi\u1ebfn d\u1ea1ng (nh\u01b0 \u0111ai \u1ed1c Stover) ho\u1eb7c \u0111ai \u1ed1c m\u1eb7t b\u00edch c\u00f3 r\u0103ng c\u01b0a \u2014 ho\u1eb7c ch\u1ec9 \u0111\u1ecbnh r\u00f5 lo\u1ea1i ch\u00e8n polymer ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao.<\/p>\n<h3>V\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t<\/h3>\n<p>Nylon h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m v\u00e0 ph\u1ed3ng l\u00ean khi ng\u00e2m trong n\u01b0\u1edbc trong th\u1eddi gian d\u00e0i. S\u1ef1 ph\u1ed3ng n\u00e0y th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 <em>t\u0103ng<\/em> m\u00f4-men xo\u1eafn duy tr\u00ec \u2014 \u0111\u00f4i khi \u0111\u1ebfn m\u1ee9c b\u1ecb k\u1eb9t \u2014 \u0111i\u1ec1u n\u00e0y kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng l\u00e0 v\u1ea5n \u0111\u1ec1 nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n khi th\u00e1o l\u1eafp. Nghi\u00eam tr\u1ecdng h\u01a1n, nylon b\u1ecb t\u1ea5n c\u00f4ng b\u1edfi:<\/p>\n<ul>\n<li>Axit \u0111\u1eadm \u0111\u1eb7c (axit sulfuric, axit hydrochloric, axit nitric)<\/li>\n<li>Phenol v\u00e0 cresol<\/li>\n<li>M\u1ed9t s\u1ed1 ch\u1ea5t oxy h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd h\u00f3a ch\u1ea5t, h\u00e3y x\u00e1c nh\u1eadn kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a nylon v\u1edbi ch\u1ea5t l\u1ecfng quy tr\u00ecnh c\u1ee5 th\u1ec3 tr\u01b0\u1edbc khi ch\u1ec9 \u0111\u1ecbnh \u0111ai \u1ed1c nyloc. Khi kh\u00f4ng ch\u1eafc ch\u1eafn, h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a b\u1eb1ng kim lo\u1ea1i.<\/p>\n<h3>Nyloc so v\u1edbi \u0110ai \u1ed1c kh\u00f3a ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i \u2014 N\u00ean ch\u1ecdn lo\u1ea1i n\u00e0o<\/h3>\n<p>C\u00e2y quy\u1ebft \u0111\u1ecbnh th\u1ef1c t\u1ebf:<\/p>\n<ul>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 &gt; 120\u00b0C<\/strong> \u2192 ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i (\u0111ai \u1ed1c m\u00f4-men xo\u1eafn duy tr\u00ec ren bi\u1ebfn d\u1ea1ng, ho\u1eb7c Stover)<\/li>\n<li><strong>M\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t t\u1ea5n c\u00f4ng nylon<\/strong> \u2192 ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i<\/li>\n<li><strong>An to\u00e0n quan tr\u1ecdng, s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n<\/strong> \u2192 nyloc \u0111\u01b0\u1ee3c nh\u01b0ng kh\u00f4ng t\u00e1i s\u1eed d\u1ee5ng<\/li>\n<li><strong>L\u1eafp r\u00e1p nhi\u1ec1u l\u1ea7n (chu k\u1ef3 b\u1ea3o tr\u00ec m\u1ed7i 6 th\u00e1ng)<\/strong> \u2192 nyloc d\u00f9ng 3\u20135 l\u1ea7n, sau \u0111\u00f3 thay m\u1edbi; ho\u1eb7c chuy\u1ec3n sang lo\u1ea1i ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i \u0111\u1ec3 b\u1ea3o tr\u00ec l\u00e2u d\u00e0i ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n<\/li>\n<li><strong>Nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed, m\u1ee5c \u0111\u00edch chung, trong nh\u00e0<\/strong> \u2192 nyloc m\u1ea1 k\u1ebdm ti\u00eau chu\u1ea9n, c\u1ea5p DIN 985 lo\u1ea1i 8<\/li>\n<li><strong>Ngo\u00e0i tr\u1eddi, h\u00e0ng h\u1ea3i<\/strong> \u2192 Th\u00e9p kh\u00f4ng g\u1ec9 A2 ho\u1eb7c A4 c\u00f3 ch\u1ed1t nylon<\/li>\n<\/ul>\n<p>M\u1ed9t ph\u00e1t hi\u1ec7n ch\u00ednh t\u1eeb c\u00e1c th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u1ec1 bulong: \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, \u0111ai \u1ed1c nyloc v\u01b0\u1ee3t tr\u1ed9i h\u01a1n t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u0111ai \u1ed1c si\u1ebft ch\u1eb7t b\u1eb1ng kim lo\u1ea1i v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng rung (k\u1ebft qu\u1ea3 ki\u1ec3m tra rung Junker cho th\u1ea5y nyloc gi\u1eef l\u1ef1c k\u1eb9p t\u1ed1t h\u01a1n kho\u1ea3ng 15%). \u1ede 150\u00b0C, \u0111ai \u1ed1c kim lo\u1ea1i ho\u00e0n to\u00e0n th\u1eafng \u00e1p \u0111\u1ea3o. \u0110i\u1ec3m giao nhau l\u00e0 kho\u1ea3ng 120\u2013130\u00b0C.<\/p>\n<hr \/>\n<h2>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai: C\u00f4ng ngh\u1ec7 \u0111ai \u1ed1c nyloc v\u00e0o n\u0103m 2026 v\u00e0 xa h\u01a1n<\/h2>\n<p><strong>C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t bulong \u0111ang t\u00edch c\u1ef1c n\u00e2ng cao hi\u1ec7u su\u1ea5t nyloc v\u01b0\u1ee3t ra ngo\u00e0i gi\u1edbi h\u1ea1n truy\u1ec1n th\u1ed1ng c\u1ee7a ch\u00e8n nylon<\/strong> \u2014 hai h\u01b0\u1edbng ph\u00e1t tri\u1ec3n c\u1ee5 th\u1ec3 \u0111ang th\u00fac \u0111\u1ea9y ph\u00e1t tri\u1ec3n s\u1ea3n ph\u1ea9m v\u00e0o n\u0103m 2026.<\/p>\n<h3>Polyme th\u1ebf h\u1ec7 m\u1edbi cho \u0111ai \u1ed1c kh\u00f3a ch\u1ecbu nhi\u1ec7t cao<\/h3>\n<p>PA6.6 \u0111ang ch\u1ea1m ng\u01b0\u1ee1ng gi\u1edbi h\u1ea1n trong c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n \u0111\u1ea1i \u2014 m\u00f4-\u0111un pin xe \u0111i\u1ec7n, \u0111\u1ed9ng c\u01a1 servo c\u00f4ng nghi\u1ec7p v\u00e0 m\u00e1y n\u00e9n HVAC ti\u00ean ti\u1ebfn \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t m\u00e0 nyloc ti\u00eau chu\u1ea9n kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c. Gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt l\u00e0 thay th\u1ebf lo\u1ea1i polyme ch\u00e8n:<\/p>\n<ul>\n<li><strong>PA46 (nylon 46)<\/strong>: S\u1eed d\u1ee5ng li\u00ean t\u1ee5c \u0111\u1ebfn kho\u1ea3ng 140\u00b0C, t\u1ed1t h\u01a1n PA6.6 trong khi v\u1eabn c\u1ea1nh tranh v\u1ec1 chi ph\u00ed.<\/li>\n<li><strong>PPS (polyphenylene sulfide)<\/strong>: S\u1eed d\u1ee5ng li\u00ean t\u1ee5c \u0111\u1ebfn kho\u1ea3ng 180\u00b0C, kh\u1ea3 n\u0103ng kh\u00e1ng h\u00f3a ch\u1ea5t v\u01b0\u1ee3t xa nylon, nh\u01b0ng gi\u00e1 th\u00e0nh cao g\u1ea5p 3\u20134 l\u1ea7n nyloc ti\u00eau chu\u1ea9n. Chu\u1ed7i cung \u1ee9ng \u0111ai \u1ed1c kh\u00f3a ch\u00e8n PPS v\u1eabn c\u00f2n h\u1ea1n ch\u1ebf \u2014 hi\u1ec7n c\u00f3 d\u01b0\u1edbi 10 nh\u00e0 s\u1ea3n xu\u1ea5t tr\u00ean to\u00e0n c\u1ea7u cung c\u1ea5p s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/li>\n<li><strong>Ch\u00e8n PEEK<\/strong>: Th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m cho th\u1ea5y c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng li\u00ean t\u1ee5c \u1edf 250\u00b0C+ v\u1edbi kh\u1ea3 n\u0103ng gi\u1eef l\u1ef1c si\u1ebft, nh\u01b0ng hi\u1ec7n t\u1ea1i ch\u1ec9 c\u00f3 s\u1eb5n th\u01b0\u01a1ng m\u1ea1i trong c\u00e1c k\u00eanh cung \u1ee9ng c\u1ea5p h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5.<\/li>\n<\/ul>\n<p>Xu h\u01b0\u1edbng \u0111\u00e3 r\u00f5: kh\u00e1i ni\u1ec7m \u0111ai \u1ed1c l\u1ee5c gi\u00e1c c\u1ed9ng ch\u00e8n s\u1ebd ti\u1ebfp t\u1ee5c t\u1ed3n t\u1ea1i, nh\u01b0ng v\u1eadt li\u1ec7u ch\u00e8n s\u1ebd ph\u00e1t tri\u1ec3n khi h\u00f3a h\u1ecdc polyme \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 hi\u1ec7n \u0111\u1ea1i.<\/p>\n<h3>\u00c1p l\u1ef1c v\u1ec1 t\u00ednh b\u1ec1n v\u1eefng v\u00e0 h\u1ec7 th\u1ed1ng bulong c\u00f3 th\u1ec3 t\u00e1i ch\u1ebf<\/h3>\n<p>Quy \u0111\u1ecbnh v\u1ec1 xe h\u1ebft h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a EU v\u00e0 c\u00e1c y\u00eau c\u1ea7u kinh t\u1ebf tu\u1ea7n ho\u00e0n r\u1ed9ng h\u01a1n \u0111ang t\u1ea1o \u00e1p l\u1ef1c l\u00ean c\u00e1c lo\u1ea1i bulong v\u1eadt li\u1ec7u h\u1ed7n h\u1ee3p. \u0110ai \u1ed1c nyloc ch\u00ednh l\u00e0 nh\u01b0 v\u1eady \u2014 m\u1ed9t \u0111ai \u1ed1c kim lo\u1ea1i v\u1edbi ch\u00e8n polyme, li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng \u0111\u1ed9 kh\u00edt thay v\u00ec keo d\u00e1n. \u0110i\u1ec1u n\u00e0y g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c t\u00e1ch r\u1eddi \u0111\u1ec3 t\u00e1i ch\u1ebf kim lo\u1ea1i nguy\u00ean ch\u1ea5t khi xe h\u1ebft h\u1ea1n s\u1eed d\u1ee5ng.<\/p>\n<p>M\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 t\u1ea1i ch\u00e2u \u00c2u \u0111ang th\u1eed nghi\u1ec7m ch\u00e8n polyamide sinh h\u1ecdc (PA11 chi\u1ebft xu\u1ea5t t\u1eeb d\u1ea7u th\u1ea7u d\u1ea7u) c\u00f3 th\u1ec3 \u1ee7 ph\u00e2n ri\u00eang n\u1ebfu t\u00e1ch \u0111\u01b0\u1ee3c ch\u00e8n. M\u1ed9t s\u1ed1 kh\u00e1c \u0111ang \u0111\u00e1nh gi\u00e1 thi\u1ebft k\u1ebf \u0111ai \u1ed1c si\u1ebft ch\u1eb7t ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i \u0111\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n polyme.<\/p>\n<p>\u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0o n\u0103m 2026, \u0111\u00e2y ch\u1ec9 l\u00e0 y\u1ebfu t\u1ed1 n\u1ec1n ch\u1ee9 ch\u01b0a ph\u1ea3i thay \u0111\u1ed5i ti\u00eau chu\u1ea9n ngay l\u1eadp t\u1ee9c. Tuy nhi\u00ean, c\u00e1c b\u1ed9 ph\u1eadn thu mua cho chu\u1ed7i cung \u1ee9ng c\u1ea5p 1 ng\u00e0nh \u00f4 t\u00f4 n\u00ean l\u01b0u \u00fd r\u1eb1ng y\u00eau c\u1ea7u c\u00f4ng b\u1ed1 v\u1eadt li\u1ec7u (REACH, IMDS) \u0111\u1ed1i v\u1edbi \u0111ai \u1ed1c nyloc hi\u1ec7n nay ph\u1ea3i khai b\u00e1o c\u1ea3 lo\u1ea1i polyme ch\u00e8n nylon v\u00e0 c\u00e1c ph\u1ee5 gia \u2014 kh\u00f4ng ch\u1ec9 v\u1eadt li\u1ec7u th\u00e9p n\u1ec1n.<\/p>\n<hr \/>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p \u2014 \u0110ai \u1ed1c Nyloc: Gi\u1ea3i \u0111\u00e1p c\u00e1c th\u1eafc m\u1eafc ph\u1ed5 bi\u1ebfn<\/h2>\n<p><strong>C\u00e2u 1: T\u00ean g\u1ecdi kh\u00e1c c\u1ee7a \u0111ai \u1ed1c nyloc l\u00e0 g\u00ec?<\/strong><br \/>\n\u0110ai \u1ed1c nyloc c\u00f3 nhi\u1ec1u t\u00ean g\u1ecdi t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0: \u0111ai \u1ed1c kh\u00f3a ch\u00e8n nylon, \u0111ai \u1ed1c kh\u00f3a nylon (th\u00f4ng d\u1ee5ng), \u0111ai \u1ed1c kh\u00f3a ch\u00e8n polymer, v\u00e0 \u0111ai \u1ed1c kh\u00f3a \u0111\u00e0n h\u1ed3i (t\u00ean th\u01b0\u01a1ng m\u1ea1i g\u1ed1c t\u1eeb Elastic Stop Nut Corporation, nh\u1eefng n\u0103m 1940). \u201cNylock\u201d \u0111\u00f4i khi \u0111\u01b0\u1ee3c d\u00f9ng chung nh\u01b0ng th\u1ef1c ra l\u00e0 m\u1ed9t nh\u00e3n hi\u1ec7u. Trong b\u1ea3n v\u1ebd k\u1ef9 thu\u1eadt v\u00e0 ti\u00eau chu\u1ea9n, m\u00f4 t\u1ea3 ch\u00ednh th\u1ee9c l\u00e0 \u201c\u0111ai \u1ed1c kh\u00f3a m\u00f4-men xo\u1eafn duy tr\u00ec \u2014 lo\u1ea1i ch\u00e8n nylon\u201d.<\/p>\n<p><strong>C\u00e2u 2: L\u1eafp \u0111ai \u1ed1c nyloc theo chi\u1ec1u n\u00e0o?<\/strong><br \/>\nM\u1eb7t ch\u00e8n nylon h\u01b0\u1edbng ra ngo\u00e0i \u2014 xa b\u1ec1 m\u1eb7t li\u00ean k\u1ebft. M\u1eb7t kim lo\u1ea1i ph\u1eb3ng t\u00ec s\u00e1t v\u00e0o long \u0111en ho\u1eb7c v\u1eadt li\u1ec7u li\u00ean k\u1ebft. N\u1ebfu l\u1eafp ng\u01b0\u1ee3c (nylon \u00e1p v\u00e0o li\u00ean k\u1ebft) th\u00ec ren kim lo\u1ea1i ch\u1ec9 \u0103n r\u1ea5t \u00edt tr\u01b0\u1edbc khi nylon ch\u1eb7n l\u1ea1i, d\u1eabn \u0111\u1ebfn g\u1ea7n nh\u01b0 kh\u00f4ng c\u00f3 l\u1ef1c k\u1eb9p v\u00e0 kh\u00f4ng b\u1ea3o v\u1ec7 rung \u0111\u1ed9ng.<\/p>\n<p><strong>C\u00e2u 3: \u0110ai \u1ed1c nyloc c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng kh\u00f4ng?<\/strong><br \/>\nV\u1edbi \u1ee9ng d\u1ee5ng kh\u00f4ng quan tr\u1ecdng v\u1ec1 an to\u00e0n: c\u00f3 th\u1ec3, 3\u20135 l\u1ea7n, mi\u1ec5n l\u00e0 v\u1eabn c\u00f2n l\u1ef1c c\u1ea3n \u0111o \u0111\u01b0\u1ee3c (m\u00f4-men xo\u1eafn duy tr\u00ec) khi v\u1eb7n tay tr\u00ean bu l\u00f4ng s\u1ea1ch. V\u1edbi c\u00e1c m\u1ed1i gh\u00e9p quan tr\u1ecdng v\u1ec1 an to\u00e0n \u2014 \u0111ai \u1ed1c b\u00e1nh xe, kh\u1edbp treo, c\u01a1 c\u1ea5u l\u00e1i, k\u1ebft c\u1ea5u ch\u1ecbu l\u1ef1c \u2014 thay m\u1edbi m\u1ed7i l\u1ea7n th\u00e1o l\u1eafp. Ti\u1ebft ki\u1ec7m kh\u00f4ng \u0111\u00e1ng so v\u1edbi r\u1ee7i ro.<\/p>\n<p><strong>C\u00e2u 4: T\u00f4i c\u1ea7n \u0111ai \u1ed1c nyloc k\u00edch th\u01b0\u1edbc n\u00e0o?<\/strong><br \/>\nPh\u1ea3i kh\u1edbp ch\u00ednh x\u00e1c \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a v\u00e0 b\u01b0\u1edbc ren v\u1edbi bu l\u00f4ng c\u1ee7a b\u1ea1n. C\u00e1c k\u00edch th\u01b0\u1edbc h\u1ec7 m\u00e9t ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 M4, M5, M6, M8, M10, M12 v\u00e0 M16. K\u00edch th\u01b0\u1edbc h\u1ec7 inch ph\u1ed5 bi\u1ebfn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam l\u00e0 1\/4\u2033-20 UNC, 5\/16\u2033-18 UNC, 3\/8\u2033-16 UNC v\u00e0 1\/2\u2033-13 UNC. D\u00f9ng th\u01b0\u1edbc \u0111o ren v\u1edbi bu l\u00f4ng \u0111\u00e3 qua s\u1eed d\u1ee5ng \u2014 bu l\u00f4ng b\u1ecb gi\u00e3n ho\u1eb7c h\u01b0 h\u1ea1i c\u00f3 th\u1ec3 \u0111o g\u1ea7n \u0111\u00fang danh ngh\u0129a nh\u01b0ng \u0103n kh\u1edbp k\u00e9m v\u1edbi \u0111ai \u1ed1c nyloc m\u1edbi.<\/p>\n<p><strong>C\u00e2u 5: Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a \u0111ai \u1ed1c nyloc l\u00e0 bao nhi\u00eau?<\/strong><br \/>\nCh\u00e8n nylon PA6.6 ti\u00eau chu\u1ea9n: nhi\u1ec7t \u0111\u1ed9 v\u1eadn h\u00e0nh li\u00ean t\u1ee5c 100\u2013120\u00b0C. C\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh ng\u1eafn h\u1ea1n t\u1edbi 150\u00b0C (trong v\u00e0i ph\u00fat, kh\u00f4ng ph\u1ea3i h\u00e0ng gi\u1edd). V\u01b0\u1ee3t ng\u01b0\u1ee1ng n\u00e0y, ch\u00e8n nylon m\u1ea5t t\u00ednh \u0111\u00e0n h\u1ed3i v\u00e0 kh\u1ea3 n\u0103ng kh\u00f3a gi\u1ea3m m\u1ea1nh. D\u00f9ng \u0111ai \u1ed1c kh\u00f3a m\u00f4-men xo\u1eafn to\u00e0n kim lo\u1ea1i cho c\u00e1c v\u1ecb tr\u00ed g\u1ea7n \u0111\u1ed9ng c\u01a1, \u1ed1ng x\u1ea3 ho\u1eb7c m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao t\u01b0\u01a1ng t\u1ef1.<\/p>\n<p><strong>C\u00e2u 6: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa nyloc v\u00e0 nylock l\u00e0 g\u00ec?<\/strong><br \/>\nV\u1ec1 ch\u1ee9c n\u0103ng th\u00ec gi\u1ed1ng h\u1ec7t nhau \u2014 \u0111\u1ec1u l\u00e0 c\u00f9ng m\u1ed9t lo\u1ea1i \u0111ai \u1ed1c. \u201cNylock\u201d l\u00e0 t\u00ean th\u01b0\u01a1ng hi\u1ec7u (li\u00ean quan \u0111\u1ebfn Elastic Stop Nut Corporation v\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c c\u1ea5p ph\u00e9p), c\u00f2n \u201cnyloc\u201d l\u00e0 thu\u1eadt ng\u1eef ti\u1ebfng Anh ph\u1ed5 th\u00f4ng \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i t\u1ea1i Vi\u1ec7t Nam v\u00e0 c\u00e1c n\u01b0\u1edbc kh\u00e1c. Trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u00e0 mua h\u00e0ng, c\u1ea3 hai thu\u1eadt ng\u1eef \u0111\u1ec1u ch\u1ec9 \u0111ai \u1ed1c kh\u00f3a ch\u00e8n nylon theo DIN 985, DIN 982 ho\u1eb7c ISO 7042.<\/p>\n<p><strong>C\u00e2u 7: \u0110ai \u1ed1c nyloc c\u00f3 b\u1ecb l\u1ecfng theo th\u1eddi gian kh\u00f4ng?<\/strong><br \/>\nN\u1ebfu l\u1eafp \u0111\u1eb7t \u0111\u00fang (m\u00f4-men xo\u1eafn chu\u1ea9n, ch\u00e8n kh\u00f4ng h\u01b0 h\u1ea1i, nhi\u1ec7t \u0111\u1ed9 trong gi\u1edbi h\u1ea1n), \u0111ai \u1ed1c nyloc duy tr\u00ec m\u00f4-men xo\u1eafn duy tr\u00ec trong nhi\u1ec1u n\u0103m khi l\u00e0m vi\u1ec7c trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng. Th\u1eed nghi\u1ec7m rung Junker (DIN 65151) cho th\u1ea5y nyloc v\u01b0\u1ee3t tr\u1ed9i h\u01a1n long \u0111en l\u00f2 xo, \u0111ai \u1ed1c th\u01b0\u1eddng v\u00e0 h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng long \u0111en kh\u00f3a v\u1ec1 kh\u1ea3 n\u0103ng gi\u1eef l\u1ef1c si\u1ebft l\u00e2u d\u00e0i. C\u00e1c tr\u01b0\u1eddng h\u1ee3p l\u1ecfng th\u01b0\u1eddng do: qu\u00e1 nhi\u1ec7t, t\u00e1i s\u1eed d\u1ee5ng \u0111ai \u1ed1c v\u1edbi ch\u00e8n \u0111\u00e3 m\u00f2n, sai th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn ho\u1eb7c nylon b\u1ecb h\u00f3a ch\u1ea5t t\u1ea5n c\u00f4ng.<\/p>\n<p><strong>C\u00e2u 8: C\u00f3 th\u1ec3 d\u00f9ng \u0111ai \u1ed1c nyloc trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c ng\u00e2m n\u01b0\u1edbc kh\u00f4ng?<\/strong><br \/>\nV\u1edbi n\u01b0\u1edbc: c\u00f3 th\u1ec3, n\u1ebfu ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u. \u0110ai \u1ed1c nyloc m\u1ea1 k\u1ebdm s\u1ebd b\u1ecb g\u1ec9 khi ti\u1ebfp x\u00fac \u1ea9m l\u00e2u d\u00e0i \u2014 n\u00ean d\u00f9ng inox A2 ho\u1eb7c A4. N\u1ebfu ng\u00e2m n\u01b0\u1edbc bi\u1ec3n ho\u00e0n to\u00e0n, b\u1eaft bu\u1ed9c d\u00f9ng A4 (316 inox) v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng r\u1ed7 do clo. B\u1ea3n th\u00e2n ch\u00e8n nylon kh\u00f4ng b\u1ecb h\u1ecfng b\u1edfi n\u01b0\u1edbc ng\u1ecdt hay n\u01b0\u1edbc m\u1eb7n, nh\u01b0ng ng\u00e2m l\u00e2u s\u1ebd khi\u1ebfn nylon h\u00fat \u1ea9m v\u00e0 tr\u01b0\u01a1ng n\u1edf, c\u00f3 th\u1ec3 l\u00e0m t\u0103ng m\u00f4-men xo\u1eafn duy tr\u00ec. C\u1ea7n t\u00ednh \u0111\u1ebfn \u0111i\u1ec1u n\u00e0y khi l\u00ean k\u1ebf ho\u1ea1ch th\u00e1o l\u1eafp b\u1ea3o tr\u00ec.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/06\/04-closing.png\" alt=\"Bu l\u00f4ng m\u1eb7t b\u00edch kh\u00f3a nylon b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 A4 tr\u00ean thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac v\u1edbi mu\u1ed1i v\u00e0 c\u00e1c c\u00f4ng tr\u00ecnh ngo\u00e0i tr\u1eddi, mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 li\u00ean k\u1ebft ch\u1eafc ch\u1eafn cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.\"  > <\/p>\n<hr \/>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>\u0110ai \u1ed1c nyloc v\u1eabn l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ch\u1ed1ng rung hi\u1ec7u qu\u1ea3, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 \u0111\u1eb7c bi\u1ec7t, \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00f4ng nghi\u1ec7p, \u00f4 t\u00f4 v\u00e0 k\u1ebft c\u1ea5u. N\u1eafm v\u1eefng ba y\u1ebfu t\u1ed1 sau s\u1ebd gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng nyloc b\u1ec1n b\u1ec9: ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n, kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 120\u00b0C v\u1edbi lo\u1ea1i ti\u00eau chu\u1ea9n, v\u00e0 tu\u00e2n th\u1ee7 gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng \u2014 \u0111\u1eb7c bi\u1ec7t v\u1edbi c\u00e1c m\u1ed1i gh\u00e9p an to\u00e0n.<\/p>\n<p>V\u1ec1 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, mua t\u1eeb nh\u00e0 cung c\u1ea5p c\u00f4ng b\u1ed1 d\u1eef li\u1ec7u tu\u00e2n th\u1ee7 DIN 985 ho\u1eb7c ISO 7042 k\u00e8m k\u1ebft qu\u1ea3 th\u1eed m\u00f4-men xo\u1eafn duy tr\u00ec (kh\u00f4ng ch\u1ec9 k\u00edch th\u01b0\u1edbc danh ngh\u0129a) l\u00e0 c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng th\u1ef1c t\u1ebf. \u0110ai \u1ed1c nyloc gi\u00e1 r\u1ebb t\u1eeb ngu\u1ed3n kh\u00f4ng x\u00e1c th\u1ef1c th\u01b0\u1eddng kh\u00f4ng \u0111\u1ea1t m\u00f4-men xo\u1eafn t\u1ed1i thi\u1ec3u ngay t\u1eeb \u0111\u1ea7u. Khi b\u1ea1n t\u00ecm ngu\u1ed3n cho d\u1ef1 \u00e1n ti\u1ebfp theo, <a href=\"https:\/\/www.youtube.com\/shorts\/9avgLk7PWv4\" target=\"_blank\" rel=\"noopener\">xem video h\u01b0\u1edbng d\u1eabn tr\u00ean YouTube v\u1ec1 c\u00e1ch l\u1eafp \u0111ai \u1ed1c nyloc<\/a> c\u00f3 th\u1ec3 gi\u00fap x\u00e1c nh\u1eadn chi\u1ec1u l\u1eafp \u0111\u00fang cho k\u1ef9 thu\u1eadt vi\u00ean ch\u01b0a quen lo\u1ea1i \u0111ai \u1ed1c n\u00e0y. N\u1ebfu mu\u1ed1n t\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nyloc_nut\" target=\"_blank\" rel=\"noopener\">T\u1ed5ng quan Wikipedia v\u1ec1 \u0111ai \u1ed1c nyloc<\/a> \u0110\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n l\u1ecbch s\u1eed v\u00e0 c\u00e1ch \u0111\u1eb7t t\u00ean tr\u00ean c\u00e1c th\u1ecb tr\u01b0\u1eddng qu\u1ed1c t\u1ebf.<\/p>\n<p>D\u00f9 b\u1ea1n \u0111ang ch\u1ecdn DIN 985 A4 inox cho thi\u1ebft b\u1ecb n\u00e2ng t\u00e0u bi\u1ec3n hay DIN 985 m\u1ea1 k\u1ebdm c\u1ea5p 8 cho khung b\u0103ng t\u1ea3i, \u0111ai \u1ed1c nyloc g\u1ea7n nh\u01b0 ch\u1eafc ch\u1eafn l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00fang \u2014 mi\u1ec5n l\u00e0 b\u1ea1n \u0111\u00e3 ki\u1ec3m tra nhi\u1ec7t \u0111\u1ed9, x\u00e1c nh\u1eadn v\u1eadt li\u1ec7u v\u00e0 si\u1ebft \u0111\u00fang th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u1ee9 kh\u00f4ng ch\u1ec9 si\u1ebft ph\u1ea7n k\u1eb9p.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 \u0111ai \u1ed1c nyloc \u2014 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng, ti\u00eau chu\u1ea9n c\u1ea7n ch\u1ec9 \u0111\u1ecbnh, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9, m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t v\u00e0 khi n\u00e0o n\u00ean ch\u1ecdn gi\u1ea3i ph\u00e1p thay th\u1ebf ho\u00e0n to\u00e0n b\u1eb1ng kim lo\u1ea1i.<\/p>","protected":false},"author":1,"featured_media":4638,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4642","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\/4642","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=4642"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/4642\/revisions"}],"predecessor-version":[{"id":4643,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/4642\/revisions\/4643"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/4638"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=4642"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=4642"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=4642"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}