{"id":3624,"date":"2026-05-04T13:05:15","date_gmt":"2026-05-04T13:05:15","guid":{"rendered":"https:\/\/productionscrews.com\/nylon-insert-lock-nuts\/"},"modified":"2026-05-04T13:05:15","modified_gmt":"2026-05-04T13:05:15","slug":"nylon-insert-lock-nuts","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/nylon-insert-lock-nuts\/","title":{"rendered":"\u1ed0c V\u00edt \u0110\u1ea7u Ph\u1eb3ng Ch\u1eb7n B\u1eb1ng V\u1eadt Li\u1ec7u Nylon: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n V\u1ec1 C\u00e1c Lo\u1ea1i, K\u00edch Th\u01b0\u1edbc &amp; C\u00e1ch L\u1eafp \u0110\u1eb7t"},"content":{"rendered":"<p class=\"direct-answer\"><strong>C\u00e2u tr\u1ea3 l\u1eddi nhanh:<\/strong> \u1ed0c kh\u00f3a ch\u1ed1t nylon s\u1eed d\u1ee5ng v\u00f2ng c\u1ed5 b\u1eb1ng polyme b\u00e1m v\u00e0o ren c\u1ee7a bu l\u00f4ng \u0111\u1ec3 ch\u1ed1ng l\u1ecfng kh\u1ecfi rung l\u1eafc \u2014 m\u00e0 kh\u00f4ng l\u00e0m h\u1ecfng ph\u1ea7n b\u1eaft v\u00edt.<\/p>\n<p>B\u1ea1n \u0111\u00e3 si\u1ebft ch\u1eb7t m\u1ecdi th\u1ee9, m\u00e1y ho\u1ea1t \u0111\u1ed9ng \u2014 r\u1ed3i sau ba tu\u1ea7n, m\u1ed9t chi\u1ebfc bu l\u00f4ng l\u1ecfng ra v\u00ec rung l\u1eafc t\u1eeb t\u1eeb l\u00e0m tu\u1ed9t m\u1ed9t chi\u1ebfc \u0111ai \u1ed1c. \u0110\u00e2y l\u00e0 m\u1ed9t d\u1ea1ng l\u1ed7i ph\u1ed5 bi\u1ebfn, v\u00e0 n\u00f3 g\u00e2y m\u1ea5t th\u1eddi gian, linh ki\u1ec7n, \u0111\u00f4i khi c\u1ea3 an to\u00e0n. <strong>\u0110ai \u1ed1c kh\u00f3a nylon<\/strong> l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady nh\u1ea5t, hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed cho v\u1ea5n \u0111\u1ec1 \u0111\u00f3. Nh\u01b0ng vi\u1ec7c ch\u1ecdn sai lo\u1ea1i, v\u1eadt li\u1ec7u ho\u1eb7c m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t s\u1ebd bi\u1ebfn \u201cgi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady\u201d th\u00e0nh \u201cs\u1ef1 t\u1ef1 tin gi\u1ea3\u201d.<\/p>\n<p>H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m m\u1ecdi th\u1ee9: c\u00e1ch ho\u1ea1t \u0111\u1ed9ng th\u1ef1c s\u1ef1 c\u1ee7a v\u00f2ng c\u1ed5 nylon, lo\u1ea1i v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho t\u1eebng m\u00f4i tr\u01b0\u1eddng, th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t, c\u00e2u tr\u1ea3 l\u1eddi trung th\u1ef1c v\u1ec1 vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng, v\u00e0 so s\u00e1nh tr\u1ef1c ti\u1ebfp v\u1edbi \u0111ai \u1ed1c t\u00e1ch r\u1eddi v\u00e0 h\u1ee3p ch\u1ea5t kh\u00f3a ren. \u0110\u1ebfn cu\u1ed1i, b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t khung l\u1ef1a ch\u1ecdn r\u00f5 r\u00e0ng \u2014 kh\u00f4ng ch\u1ec9 l\u00e0 danh s\u00e1ch s\u1ea3n ph\u1ea9m.<\/p>\n<p><img decoding=\"async\" alt=\"\u1ed0c v\u00edt kh\u00f3a ch\u1ed1t nylon \u2014 t\u1ed5ng quan v\u1ec1 c\u00e1c k\u00edch c\u1ee1 v\u00e0 ch\u1ea5t li\u1ec7u kh\u00e1c nhau \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y tr\u00ean b\u00e0n l\u00e0m vi\u1ec7c\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/01-hero-4.jpg\" \/><\/p>\n<hr \/>\n<h2>\u1ed0c kh\u00f3a ch\u1ed1t nylon l\u00e0 g\u00ec?<\/h2>\n<p><strong>M\u1ed9t \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon s\u1eed d\u1ee5ng ma s\u00e1t, kh\u00f4ng ph\u1ea3i bi\u1ebfn d\u1ea1ng, \u0111\u1ec3 gi\u1eef tr\u00ean m\u1ed9t chi\u1ebfc bu l\u00f4ng.<\/strong> V\u00f2ng c\u1ed5 nylon kh\u00f4ng ren \u0111\u01b0\u1ee3c \u00e9p v\u00e0o ph\u1ea7n tr\u00ean c\u1ee7a th\u00e2n \u0111ai \u1ed1c h\u00ecnh l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n. Khi b\u1ea1n v\u1eb7n bu l\u00f4ng qua, n\u00f3 t\u1ef1 c\u1eaft \u0111\u01b0\u1eddng \u0111i qua nylon \u2014 t\u1ea1o ra s\u1ef1 kh\u00edt khao ch\u1ed1ng quay do rung l\u1eafc, s\u1ed1c ho\u1eb7c chu k\u1ef3 nhi\u1ec7t.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y v\u1ec1 c\u01a1 b\u1ea3n kh\u00e1c bi\u1ec7t so v\u1edbi m\u1ed9t \u0111ai \u1ed1c ti\u00eau chu\u1ea9n ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 \u0111ai \u1ed1c ch\u1eb7n. Kh\u00f4ng c\u1ea7n h\u1ee3p ch\u1ea5t kh\u00f3a ren, kh\u00f4ng c\u1ea7n b\u1ed9 ph\u1eadn ph\u1ee5, v\u00e0 kh\u00f4ng cam k\u1ebft v\u0129nh vi\u1ec5n. \u0110ai \u1ed1c c\u00f3 th\u1ec3 th\u00e1o ra v\u00e0 (v\u1edbi c\u00e1c l\u01b0u \u00fd d\u01b0\u1edbi \u0111\u00e2y) t\u00e1i s\u1eed d\u1ee5ng.<\/p>\n<h3>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng th\u1ef1c s\u1ef1 c\u1ee7a v\u00f2ng c\u1ed5 nylon<\/h3>\n<p>V\u00f2ng c\u1ed5 nylon n\u1eb1m trong th\u00e2n \u0111ai \u1ed1c <strong>\u1edf ph\u00eda<\/strong> tr\u00ean ph\u1ea7n ren. Khi bu l\u00f4ng b\u1eaft v\u00e0o v\u00f2ng c\u1ed5, nylon bi\u1ebfn d\u1ea1ng nh\u1eb9 \u0111\u1ec3 qu\u1ea5n quanh h\u00ecnh d\u1ea1ng ren. S\u1ef1 kh\u00edt khao t\u1ea1o ra m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i \u2014 m\u1ed9t l\u1ef1c c\u1ea3n quay li\u00ean t\u1ee5c kh\u00f4ng ch\u1ec9 ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ef1c si\u1ebft ch\u1eb7t.<\/p>\n<p>\u0110\u00e2y l\u00e0 \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh so v\u1edbi \u0111ai \u1ed1c b\u00ecnh th\u01b0\u1eddng: \u0111ai \u1ed1c th\u00f4ng th\u01b0\u1eddng gi\u1eef ch\u1eb7t v\u00ec l\u1ef1c si\u1ebft \u00e9p c\u00e1c b\u1ec1 m\u1eb7t gh\u00e9p l\u1ea1i v\u1edbi nhau. N\u1ebfu l\u1ef1c si\u1ebft gi\u1ea3m \u2014 th\u1eadm ch\u00ed nh\u1eb9, do rung l\u1eafc ho\u1eb7c m\u1edf r\u1ed9ng nhi\u1ec7t \u2014 \u0111ai \u1ed1c b\u00ecnh th\u01b0\u1eddng c\u00f3 th\u1ec3 l\u1ecfng ra. \u0110ai \u1ed1c kh\u00f3a ch\u1ed1t nylon duy tr\u00ec m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a n\u00f3 <strong>\u0111\u1ed9c l\u1eadp<\/strong> v\u1edbi l\u1ef1c si\u1ebft. Ngay c\u1ea3 trong c\u00e1c t\u00ecnh hu\u1ed1ng l\u1ef1c si\u1ebft th\u1ea5p, n\u00f3 v\u1eabn ch\u1ed1ng quay.<\/p>\n<p>Gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i ph\u1ee5 thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u nylon, k\u00edch th\u01b0\u1edbc \u0111ai \u1ed1c, v\u00e0 \u0111\u1ed9 m\u1edbi c\u1ee7a v\u00f2ng c\u1ed5. \u0110\u1ed1i v\u1edbi m\u1ed9t \u0111ai \u1ed1c kh\u00f3a nylon lo\u1ea1i Grade 8 m\u1edbi t\u1ea1i M10, mong \u0111\u1ee3i m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i trong kho\u1ea3ng 8\u201315 Nm tr\u01b0\u1edbc khi b\u1ea1n \u00e1p d\u1ee5ng m\u00f4-men xo\u1eafn \u0111\u1ecbnh v\u1ecb.<\/p>\n<h3>C\u00e1c ti\u00eau chu\u1ea9n ch\u00ednh<\/h3>\n<p>N\u1ebfu b\u1ea1n ch\u1ec9 \u0111\u1ecbnh \u0111ai \u1ed1c kh\u00f3a nylon cho m\u1ed9t \u1ee9ng d\u1ee5ng s\u1ea3n xu\u1ea5t ho\u1eb7c c\u00f3 quy \u0111\u1ecbnh, c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc, m\u1ee9c t\u1ed1i thi\u1ec3u c\u1ee7a v\u1eadt li\u1ec7u, v\u00e0 t\u1ea3i th\u1eed nghi\u1ec7m:<\/p>\n<ul>\n<li><strong>DIN 985<\/strong> \u2014 \u0111ai \u1ed1c kh\u00f3a nylon theo h\u1ec7 m\u00e9t, chi\u1ec1u cao th\u00f4ng th\u01b0\u1eddng (ph\u1ed5 bi\u1ebfn nh\u1ea5t to\u00e0n c\u1ea7u)<\/li>\n<li><strong>DIN 982<\/strong> \u2014 ti\u00eau chu\u1ea9n m\u00e9t, chi\u1ec1u cao th\u00e2n \u201c\u0111\u1ea7y \u0111\u1ee7\u201d (t\u1ea3i tr\u1ecdng ch\u1ee9ng minh m\u1ea1nh h\u01a1n, s\u1eed d\u1ee5ng trong m\u00e1y m\u00f3c n\u1eb7ng)<\/li>\n<li><strong>ISO 7042<\/strong> \u2014 \u0111ai \u1ed1c ch\u1ed1ng xoay ti\u00eau chu\u1ea9n ISO, t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i kim lo\u1ea1i v\u00e0 ch\u00e8n nylon<\/li>\n<li><strong>ANSI\/ASME B18.16<\/strong> \u2014 \u0111ai \u1ed1c ch\u1ed1ng xoay lo\u1ea1i nylon series inch (UNC\/UNF), bao g\u1ed3m c\u00e1c lo\u1ea1i thu\u1ed9c l\u1edbp t\u00ednh ch\u1ea5t 5 v\u00e0 9<\/li>\n<li><strong>MIL-N-25027<\/strong> \u2014 \u0111ai \u1ed1c ch\u1ed1ng xoay nylon ti\u00eau chu\u1ea9n qu\u00e2n s\u1ef1 d\u00e0nh cho h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 \/ qu\u1ed1c ph\u00f2ng<\/li>\n<\/ul>\n<p>Theo <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nyloc_nut\" target=\"_blank\" rel=\"noopener\">\u1ed0c nyloc \u2014 Wikipedia<\/a>, thu\u1eadt ng\u1eef \u201cnyloc\u201d th\u1ef1c ch\u1ea5t l\u00e0 t\u00ean th\u01b0\u01a1ng hi\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u0103ng k\u00fd (b\u1edfi nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ea1i Vi\u1ec7t Nam IFI) \u0111\u00e3 tr\u1edf th\u00e0nh thu\u1eadt ng\u1eef chung \u2014 t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1ch \u201cVelcro\u201d \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho b\u1ea5t k\u1ef3 lo\u1ea1i m\u00f3c d\u00e1n n\u00e0o. Thu\u1eadt ng\u1eef chung ch\u00ednh x\u00e1c l\u00e0 <strong>\u0111ai \u1ed1c kh\u00f3a ch\u00e8n nylon<\/strong> or <strong>\u0111ai \u1ed1c kh\u00f3a ch\u00e8n polymer<\/strong>.<\/p>\n<h3>B\u1ea2NG 1: K\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn c\u1ee7a \u0111ai \u1ed1c kh\u00f3a nylon (M\u00e9t, DIN 985)<\/h3>\n<table>\n<thead>\n<tr>\n<th>K\u00edch th\u01b0\u1edbc ren<\/th>\n<th>Chi\u1ec1u r\u1ed9ng qua m\u1eb7t ph\u1eb3ng (mm)<\/th>\n<th>Chi\u1ec1u cao \u0111ai \u1ed1c (mm)<\/th>\n<th>T\u1ea3i ch\u1ee9ng minh t\u1ed1i thi\u1ec3u (kN)<\/th>\n<th>L\u1ef1c xo\u1eafn \u0111i\u1ec3n h\u00ecnh (Nm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M4<\/td>\n<td>7<\/td>\n<td>5.0<\/td>\n<td>4.4<\/td>\n<td>0.15\u20130.35<\/td>\n<\/tr>\n<tr>\n<td>M5<\/td>\n<td>8<\/td>\n<td>5.0<\/td>\n<td>7.1<\/td>\n<td>0.25\u20130.55<\/td>\n<\/tr>\n<tr>\n<td>M6<\/td>\n<td>10<\/td>\n<td>6.0<\/td>\n<td>10.3<\/td>\n<td>0.40\u20130.85<\/td>\n<\/tr>\n<tr>\n<td>M8<\/td>\n<td>13<\/td>\n<td>8.0<\/td>\n<td>19.0<\/td>\n<td>0.80\u20131.60<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>16<\/td>\n<td>10.0<\/td>\n<td>30.5<\/td>\n<td>1.50\u20132.80<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>18<\/td>\n<td>12.0<\/td>\n<td>44.1<\/td>\n<td>2.50\u20134.50<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>24<\/td>\n<td>16.0<\/td>\n<td>82.6<\/td>\n<td>4.50\u20138.00<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>30<\/td>\n<td>20.0<\/td>\n<td>129.0<\/td>\n<td>7.00\u201313.00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Dung sai chi\u1ec1u cao v\u00e0 WAF theo DIN 985 Lo\u1ea1i 8. Gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn ch\u1ee7 \u0111\u1ea1o l\u00e0 h\u01b0\u1edbng d\u1eabn; x\u00e1c nh\u1eadn theo b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t cho lo\u1ea1i v\u00e0 v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3.<\/em><\/p>\n<hr \/>\n<h2>C\u00e1c lo\u1ea1i \u0111ai \u1ed1c kh\u00f3a nylon<\/h2>\n<p><strong>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c \u0111ai \u1ed1c kh\u00f3a nylon \u0111\u1ec1u c\u00f3 th\u1ec3 thay th\u1ebf cho nhau \u2014 lo\u1ea1i, chi\u1ec1u cao v\u00e0 v\u1eadt li\u1ec7u ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng.<\/strong> D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch c\u00e1c bi\u1ebfn th\u1ec3 ch\u00ednh v\u00e0 khi n\u00e0o m\u1ed7i lo\u1ea1i ph\u00f9 h\u1ee3p.<\/p>\n<p><img decoding=\"async\" alt=\"\u1ed0c v\u00edt kh\u00f3a ch\u1ed1t nylon \u2014 so s\u00e1nh c\u00e1c lo\u1ea1i: ti\u00eau chu\u1ea9n, m\u1ecfng\/k\u1eb9p ch\u1eb7t, th\u00e9p kh\u00f4ng g\u1ec9, v\u00e0 m\u1ea1 k\u1ebdm c\u1ea1nh nhau\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/02-types-3.jpg\" \/><\/p>\n<h3>Lo\u1ea1i ti\u00eau chu\u1ea9n so v\u1edbi ki\u1ec3u m\u1ecfng (Jam)<\/h3>\n<p><strong>\u0110ai \u1ed1c kh\u00f3a nylon ti\u00eau chu\u1ea9n<\/strong> (DIN 985, ISO 7042) c\u00f3 th\u00e2n cao \u0111\u1ea7y \u0111\u1ee7 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng kho\u1ea3ng 0.8\u00d7 \u0111\u01b0\u1eddng k\u00ednh bu l\u00f4ng. \u0110i\u1ec1u n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac ren t\u1ed1i \u0111a v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c th\u1eed nghi\u1ec7m. S\u1eed d\u1ee5ng ch\u00fang l\u00e0m m\u1eb7c \u0111\u1ecbnh c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>\u0110ai \u1ed1c kh\u00f3a nylon m\u1ecfng\/jam<\/strong> hy sinh chi\u1ec1u cao th\u00e2n \u0111\u1ec3 c\u00f3 kh\u00f4ng gian r\u1ea3nh trong c\u00e1c kh\u00f4ng gian ch\u1eadt h\u1eb9p. Ph\u1ea7n nylon trong \u0111ai \u1ed1c m\u1ecfng nh\u1ecf h\u01a1n \u2014 do \u0111\u00f3 m\u00f4-men xo\u1eafn ch\u1ee7 \u0111\u1ea1o th\u1ea5p h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c th\u1eed nghi\u1ec7m gi\u1ea3m. Trong th\u1ef1c t\u1ebf, ch\u00fang t\u00f4i \u0111\u00e3 th\u1ea5y \u0111ai \u1ed1c nylon m\u1ecfng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng th\u00e2n xe \u00f4 t\u00f4 v\u00e0 trang tr\u00ed n\u01a1i kh\u00f4ng gian ch\u1eadt h\u1eb9p v\u00e0 t\u1ea3i tr\u1ecdng th\u1ea5p. Kh\u00f4ng thay th\u1ebf ch\u00fang trong c\u00e1c m\u1ed1i n\u1ed1i c\u1ea5u tr\u00fac.<\/p>\n<p>L\u1ef1a ch\u1ecdn lai: <strong>DIN 982<\/strong> (\u0111\u1ea7u hex cao \/ th\u00e2n cao) cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp x\u00fac ren l\u1edbn h\u01a1n so v\u1edbi DIN 985, v\u1edbi kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c th\u1eed nghi\u1ec7m cao h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ea3i n\u1eb7ng trong m\u00e1y m\u00f3c n\u00f4ng nghi\u1ec7p v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n<h3>C\u00e1c bi\u1ebfn th\u1ec3 v\u1eadt li\u1ec7u<\/h3>\n<p>\u0110\u00e2y l\u00e0 n\u01a1i x\u1ea3y ra ph\u1ea7n l\u1edbn c\u00e1c l\u1ed7i l\u1ef1a ch\u1ecdn. Th\u00e2n \u0111ai \u1ed1c v\u00e0 ph\u1ea7n nylon l\u00e0 c\u00e1c v\u1eadt li\u1ec7u ri\u00eang bi\u1ec7t, v\u00e0 c\u1ea3 hai \u0111\u1ec1u quan tr\u1ecdng.<\/p>\n<p><strong>Th\u00e9p m\u1ea1 k\u1ebdm (Lo\u1ea1i 8 \/ Lo\u1ea1i 8)<\/strong> \u2014 ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1ea1 k\u1ebdm cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u1eeba ph\u1ea3i (phun mu\u1ed1i: kho\u1ea3ng 96\u2013200 gi\u1edd \u0111\u1ec3 g\u1ec9 \u0111\u1ecf). Ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng trong nh\u00e0, kh\u00f4 r\u00e1o ho\u1eb7c ti\u1ebfp x\u00fac nh\u1eb9. Ph\u1ea7n nylon th\u01b0\u1eddng l\u00e0 PA66 (polyamide 66), ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn kho\u1ea3ng <strong>120\u00b0C (248\u00b0F)<\/strong> li\u00ean t\u1ee5c, v\u1edbi gi\u1edbi h\u1ea1n t\u1ea1m th\u1eddi kho\u1ea3ng 150\u00b0C.<\/p>\n<p><strong>Th\u00e9p m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng (HDG)<\/strong> \u2014 d\u00f9ng trong x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac. L\u1edbp m\u1ea1 k\u1ebdm d\u00e0y h\u01a1n (45\u201385 \u00b5m so v\u1edbi 5\u201312 \u00b5m c\u1ee7a m\u1ea1 \u0111i\u1ec7n). L\u1edbp ph\u1ee7 d\u00e0y h\u01a1n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 r\u1ea3nh c\u1ee7a ren; lu\u00f4n ki\u1ec3m tra ph\u00f9 h\u1ee3p c\u1ee7a k\u00edch th\u01b0\u1edbc ren tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a nylon m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng trong c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh x\u00e1c.<\/p>\n<p><strong>Th\u00e9p kh\u00f4ng g\u1ec9 (A2-70, A4-80)<\/strong> \u2014 A2 (304 th\u00e9p kh\u00f4ng g\u1ec9) \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n chung; A4 (316 th\u00e9p kh\u00f4ng g\u1ec9) khi c\u00f3 ti\u1ebfp x\u00fac v\u1edbi chloride (h\u1ea3i qu\u00e2n, ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t). Ph\u1ea7n ch\u00e8n nylon kh\u00f4ng thay \u0111\u1ed5i \u2014 v\u1eabn l\u00e0 y\u1ebfu t\u1ed1 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9. Trong m\u00f4i tr\u01b0\u1eddng h\u1ea3i qu\u00e2n, \u0111ai \u1ed1c kh\u00f3a nylon th\u00e9p kh\u00f4ng g\u1ec9 l\u00e0 ti\u00eau chu\u1ea9n trong ph\u1ea7n c\u1ee9ng boong t\u00e0u, c\u00e1p bu\u1ed9c, v\u00e0 h\u1ed9p \u0111i\u1ec7n.<\/p>\n<p><strong>\u0110\u1ed3ng thau<\/strong> \u2014 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u1ed1ng n\u01b0\u1edbc, ti\u1ebfp \u0111\u1ea5t \u0111i\u1ec7n, v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 t\u00ednh t\u01b0\u01a1ng th\u00edch galvanic v\u1edbi h\u1ee3p kim \u0111\u1ed3ng quan tr\u1ecdng. D\u1ec5 m\u1ec1m v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p; kh\u00f4ng bao gi\u1edd s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a nylon b\u1eb1ng \u0111\u1ed3ng thau trong c\u00e1c m\u1ed1i n\u1ed1i c\u1ea5u tr\u00fac ch\u1ecbu t\u1ea3i cao ho\u1eb7c rung \u0111\u1ed9ng l\u1edbn.<\/p>\n<p><strong>C\u1ea5p 5 \/ SAE J995 (chu\u1ed7i inch)<\/strong> \u2014 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng UNC\/UNF c\u1ee7a ti\u00eau chu\u1ea9n m\u00e9t Lo\u1ea1i 8. Ph\u1ed5 bi\u1ebfn trong ng\u00e0nh \u00f4 t\u00f4, HVAC, v\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<h3>K\u00edch th\u01b0\u1edbc theo h\u1ec7 m\u00e9t v\u00e0 h\u1ec7 imperial<\/h3>\n<p>K\u00edch th\u01b0\u1edbc m\u00e9t theo h\u1ec7 th\u1ed1ng M (M4, M5, M6, M8\u2026); k\u00edch th\u01b0\u1edbc imperial\/inch s\u1eed d\u1ee5ng UNC (ren th\u00f4) ho\u1eb7c UNF (ren tinh), m\u00f4 t\u1ea3 theo ph\u00e2n s\u1ed1 ho\u1eb7c s\u1ed1 th\u1ee9 t\u1ef1: #8-32, 1\/4-20, 5\/16-18, 3\/8-16, 1\/2-13, v.v.<\/p>\n<p><strong>K\u00edch th\u01b0\u1edbc m\u00e9t v\u00e0 imperial KH\u00d4NG th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau.<\/strong> M\u1ed9t bu l\u00f4ng 1\/4 inch (\u0111\u01b0\u1eddng k\u00ednh 6.35 mm) s\u1ebd kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi \u0111ai \u1ed1c M6 (\u0111\u01b0\u1eddng k\u00ednh 6.0 mm). B\u01b0\u1edbc ren c\u0169ng kh\u00e1c nhau. K\u00edch th\u01b0\u1edbc m\u00e9t \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1eb1ng milimet c\u1ee7a b\u01b0\u1edbc ren; UNC\/UNF theo s\u1ed1 ren tr\u00ean inch. Khi t\u00ecm ki\u1ebfm ph\u1ee5 ki\u1ec7n thay th\u1ebf, lu\u00f4n x\u00e1c nh\u1eadn c\u1ea3 d\u1ea1ng ren (m\u00e9t\/imperial) v\u00e0 b\u01b0\u1edbc ren (th\u00f4\/m\u1ecbn) tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/p>\n<h3>B\u1ea2NG 2: Ma tr\u1eadn L\u1ef1a ch\u1ecdn V\u1eadt li\u1ec7u cho \u0110ai \u1ed1c kh\u00f3a nylon<\/h3>\n<table>\n<thead>\n<tr>\n<th>M\u00f4i tr\u01b0\u1eddng<\/th>\n<th>V\u1eadt li\u1ec7u th\u00e2n \u0111ai \u1ed1c<\/th>\n<th>Lo\u1ea1i nylon<\/th>\n<th>Ghi ch\u00fa<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Trong nh\u00e0, kh\u00f4 r\u00e1o, m\u00f4i tr\u01b0\u1eddng xung quanh<\/td>\n<td>Th\u00e9p m\u1ea1 k\u1ebdm (Cl. 8)<\/td>\n<td>PA66<\/td>\n<td>L\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Ngo\u00e0i tr\u1eddi, ti\u1ebfp x\u00fac v\u1eeba ph\u1ea3i<\/td>\n<td>Th\u00e9p m\u1ea1 k\u1ebdm nh\u00fang n\u00f3ng<\/td>\n<td>PA66<\/td>\n<td>Ki\u1ec3m tra ph\u00f9 h\u1ee3p ren<\/td>\n<\/tr>\n<tr>\n<td>H\u1ea3i qu\u00e2n \/ ven bi\u1ec3n<\/td>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 A4-80<\/td>\n<td>PA66<\/td>\n<td>Ch\u1ed1ng chloride<\/td>\n<\/tr>\n<tr>\n<td>X\u1eed l\u00fd th\u1ef1c ph\u1ea9m \/ r\u1eeda s\u1ea1ch<\/td>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 A4-80<\/td>\n<td>PA66<\/td>\n<td>C\u00e1c lo\u1ea1i PA66 ph\u00f9 h\u1ee3p v\u1edbi FDA c\u00f3 s\u1eb5n<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n \/ \u1ed1ng n\u01b0\u1edbc<\/td>\n<td>\u0110\u1ed3ng thau<\/td>\n<td>PA66<\/td>\n<td>\u0110\u1ed9 b\u1ec1n th\u1ea5p \u2014 ch\u1ec9 ch\u1ecbu t\u1ea3i nh\u1eb9<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 cao (120\u2013200\u00b0C)<\/td>\n<td>Th\u00e9p ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9<\/td>\n<td>To\u00e0n kim lo\u1ea1i (kh\u00f4ng c\u00f3 nylon)<\/td>\n<td>Chuy\u1ec3n sang \u0111ai \u1ed1c si\u1ebft ch\u1eb7t to\u00e0n kim lo\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td>L\u1ea1nh cryogenic \/ c\u1ef1c k\u1ef3 l\u1ea1nh<\/td>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 A4<\/td>\n<td>PA66<\/td>\n<td>PA66 v\u1eabn linh ho\u1ea1t; x\u00e1c nh\u1eadn theo ti\u00eau chu\u1ea9n OEM<\/td>\n<\/tr>\n<tr>\n<td>Ng\u00e2m h\u00f3a ch\u1ea5t<\/td>\n<td>Th\u00e9p kh\u00f4ng g\u1ec9 A4<\/td>\n<td>Ch\u00e8n PA66 ho\u1eb7c PEEK<\/td>\n<td>X\u00e1c nh\u1eadn b\u1ea3ng t\u01b0\u01a1ng th\u00edch h\u00f3a ch\u1ea5t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh &amp; Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h2>\n<p><strong>\u0110ai \u1ed1c kh\u00f3a ch\u00e8n nylon l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u \u0111\u1ec3 kh\u00f3a ch\u1eb7t n\u01a1i c\u00f3 rung \u0111\u1ed9ng, nhi\u1ec7t \u0111\u1ed9 d\u01b0\u1edbi 120\u00b0C, v\u00e0 vi\u1ec7c th\u00e1o l\u1eafp th\u1ec9nh tho\u1ea3ng.<\/strong> Ngo\u00e0i quy t\u1eafc chung \u0111\u00f3, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u00e3 ph\u00e1t tri\u1ec3n c\u00e1c quy \u01b0\u1edbc ri\u00eang bi\u1ec7t.<\/p>\n<h3>\u00d4 t\u00f4 &amp; \u0110ua xe th\u1ec3 thao<\/h3>\n<p>\u0110ai \u1ed1c kh\u00f3a ch\u00e8n nylon xu\u1ea5t hi\u1ec7n kh\u1eafp khung xe, h\u1ec7 th\u1ed1ng treo, t\u1ea5m ch\u1eafn nhi\u1ec7t \u1ed1ng x\u1ea3, n\u1ed9i th\u1ea5t, v\u00e0 c\u00e1c t\u1ea5m ch\u1eafn d\u01b0\u1edbi th\u00e2n xe. Trong c\u00e1c \u1ee9ng d\u1ee5ng h\u1ec7 th\u1ed1ng treo \u2014 \u0111\u1eb7c bi\u1ec7t l\u00e0 tay \u0111\u00f2n sau v\u00e0 li\u00ean k\u1ebft thanh ch\u1ed1ng l\u1eadt \u2014 \u0111ai \u1ed1c kh\u00f3a ch\u00e8n nylon m\u1ea1 k\u1ebdm Grade 8 (k\u00edch th\u01b0\u1edbc m\u00e9t) l\u00e0 ti\u00eau chu\u1ea9n theo nh\u00e0 s\u1ea3n xu\u1ea5t. H\u1ea7u h\u1ebft c\u00e1c s\u00e1ch h\u01b0\u1edbng d\u1eabn d\u1ecbch v\u1ee5 c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t coi ch\u00fang nh\u01b0 <strong>s\u1eed d\u1ee5ng m\u1ed9t l\u1ea7n<\/strong>: thay \u0111ai \u1ed1c m\u1ed7i l\u1ea7n th\u00e1o l\u1eafp, kh\u00f4ng t\u00e1i s\u1eed d\u1ee5ng.<\/p>\n<p>Trong m\u00f4n \u0111ua xe th\u1ec3 thao, ph\u00e9p t\u00ednh thay \u0111\u1ed5i nh\u1eb9. Tr\u1ecdng l\u01b0\u1ee3ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, v\u00ec v\u1eady c\u00e1c \u0111\u1ed9i \u0111\u00f4i khi thay th\u1ebf t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i \u0111ai \u1ed1c c\u1ee9ng ch\u1ecbu m\u00f4-men xo\u1eafn b\u1eb1ng th\u00e9p h\u1ee3p kim to\u00e0n kim lo\u1ea1i (ch\u1ecbu nhi\u1ec7t cao h\u01a1n, nh\u1eb9 h\u01a1n m\u1ed7i \u0111\u01a1n v\u1ecb trong c\u1ea5u tr\u00fac m\u1ecfng) \u1edf c\u00e1c v\u1ecb tr\u00ed trong khoang \u0111\u1ed9ng c\u01a1. Nh\u01b0ng \u0111\u1ed1i v\u1edbi b\u00e1nh xe v\u00e0 h\u1ec7 th\u1ed1ng treo, \u0111ai \u1ed1c kh\u00f3a nylon c\u00f3 ch\u00e8n v\u1eabn chi\u1ebfm \u01b0u th\u1ebf v\u00ec ch\u00fang nh\u1eb9, \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 s\u1eb5n \u1edf m\u1ecdi \u0111\u01b0\u1eddng \u0111ua tr\u00ean th\u1ebf gi\u1edbi.<\/p>\n<h3>M\u00e1y m\u00f3c C\u00f4ng nghi\u1ec7p &amp; H\u1ec7 Th\u1ed1ng \u0110i\u1ec1u H\u00f2a Kh\u00f4ng Kh\u00ed<\/h3>\n<p>D\u00e2y \u0111ai truy\u1ec1n \u0111\u1ed9ng, b\u1ed9 qu\u1ea1t, gi\u00e1 \u0111\u1ee1 \u0111\u1ed9ng c\u01a1, v\u1ecf b\u01a1m \u2014 b\u1ea5t c\u1ee9 n\u01a1i n\u00e0o t\u1ea3i chu k\u1ef3 t\u1ea1o ra rung \u0111\u1ed9ng, \u0111ai \u1ed1c kh\u00f3a nylon c\u00f3 ch\u00e8n gi\u1ea3m thi\u1ec3u c\u00e1c l\u1ea7n b\u1ea3o tr\u00ec g\u1ecdi d\u1ecbch v\u1ee5. Trong h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn HVAC v\u00e0 b\u1ed9 x\u1eed l\u00fd kh\u00ed, ch\u00fang \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n ch\u1ea5t d\u00ednh kh\u00f3a ren v\u00ec k\u1ef9 thu\u1eadt vi\u00ean c\u1ea7n truy c\u1eadp v\u00e0 si\u1ebft l\u1ea1i c\u00e1c th\u00e0nh ph\u1ea7n trong b\u1ea3o tr\u00ec theo m\u00f9a m\u00e0 kh\u00f4ng ph\u1ea3i chi\u1ebfn \u0111\u1ea5u v\u1edbi c\u00e1c ren d\u00ednh keo.<\/p>\n<p>M\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i th\u1ef1c t\u1ebf ch\u00fang t\u00f4i \u0111\u00e3 quan s\u00e1t trong thi\u1ebft b\u1ecb ngo\u00e0i tr\u1eddi: \u0111ai \u1ed1c kh\u00f3a nylon trong m\u00e1y m\u00f3c chu k\u1ef3 cao (m\u00e1y l\u1eafc c\u00f4ng nghi\u1ec7p, m\u00e1y n\u00e9n) c\u00f3 th\u1ec3 l\u00e0m m\u00f2n ch\u00e8n nylon nhanh h\u01a1n d\u1ef1 ki\u1ebfn n\u1ebfu \u0111ai \u1ed1c \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p kh\u00f4. M\u1ed9t l\u1edbp d\u1ea7u m\u1ecfng tr\u00ean ren c\u1ee7a bu l\u00f4ng gi\u1ea3m thi\u1ec3u m\u00e0i m\u00f2n v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00e8n \u2014 nh\u01b0ng c\u0169ng l\u00e0m gi\u1ea3m nh\u1eb9 m\u00f4-men xo\u1eafn ch\u00ednh. X\u00e1c nh\u1eadn m\u00f4-men xo\u1eafn ch\u00ednh c\u1ee7a b\u1ea1n sau b\u1ea5t k\u1ef3 thay \u0111\u1ed5i ch\u1ea5t b\u00f4i tr\u01a1n n\u00e0o.<\/p>\n<h3>\u0110i\u1ec7n t\u1eed, Robot &amp; L\u1eafp r\u00e1p Ch\u00ednh x\u00e1c<\/h3>\n<p>Trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf g\u1ecdn v\u00e0 robot (M3, M4, M5), \u0111ai \u1ed1c kh\u00f3a nylon ph\u1ed5 bi\u1ebfn \u0111\u1ec3 g\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, ch\u00e2n \u0111\u1ee1 PCB, v\u00e0 b\u1ed9 l\u1eafp gh\u00e9p b\u1ea3n l\u1ec1. Ch\u00e8n kh\u00f4ng kim lo\u1ea1i c\u0169ng cung c\u1ea5p m\u1ed9t m\u1ee9c \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n gi\u1eefa th\u00e2n bu l\u00f4ng v\u00e0 th\u00e2n \u0111ai \u1ed1c \u2014 h\u1eefu \u00edch trong c\u00e1c b\u1ed9 l\u1eafp gh\u00e9p c\u00e1ch ly \u0111\u1ea5t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c kh\u1edbp tay robot v\u00e0 gi\u00e1 \u0111\u1ee1 servo, \u0111ai \u1ed1c kh\u00f3a nylon cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 l\u1eb7p l\u1ea1i v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng rung \u0111\u1ed9ng m\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p keo d\u00e1n kh\u00f4ng th\u1ec3 s\u00e1nh b\u1eb1ng. \u0110ai \u1ed1c c\u00f3 th\u1ec3 th\u00e1o ra s\u1ea1ch s\u1ebd \u0111\u1ec3 thay th\u1ebf b\u1ed9 ph\u1eadn, v\u00e0 m\u00f4-men xo\u1eafn ch\u00ednh cung c\u1ea5p m\u1ed9t ki\u1ec3m tra t\u00edch h\u1ee3p ch\u1ed1ng l\u1ecfng l\u1ebbo v\u00f4 t\u00ecnh do t\u1ea3i \u0111\u1ed9ng.<\/p>\n<hr \/>\n<h2>C\u00e1ch l\u1eafp \u0111\u1eb7t \u0111ai \u1ed1c kh\u00f3a nylon \u0111\u00fang c\u00e1ch<\/h2>\n<p><strong>L\u1eafp \u0111\u1eb7t ch\u00ednh x\u00e1c: b\u1eaft b\u1eb1ng tay, si\u1ebft ch\u1eb7t b\u1eb1ng c\u1edd l\u00ea theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, x\u00e1c nh\u1eadn m\u00f4-men xo\u1eafn gh\u1ebf \u2014 t\u1ed5ng th\u1eddi gian d\u01b0\u1edbi 60 gi\u00e2y cho m\u1ed7i fastener.<\/strong> Quy tr\u00ecnh c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n, nh\u01b0ng m\u1ed9t v\u00e0i sai l\u1ea7m ph\u1ed5 bi\u1ebfn g\u00e2y ra g\u1ea7n nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c h\u1ecfng h\u00f3c s\u1edbm.<\/p>\n<p><img decoding=\"async\" alt=\"\u1ed0c v\u00edt kh\u00f3a ch\u1ed1t nylon \u2014 quy tr\u00ecnh l\u1eafp \u0111\u1eb7t th\u1ec3 hi\u1ec7n c\u00e1ch b\u1eaft tay \u0111\u00fang, s\u1eed d\u1ee5ng c\u1edd l\u00ea l\u1ef1c, v\u00e0 ki\u1ec3m tra cu\u1ed1i c\u00f9ng\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/03-howto-2.png\" \/><\/p>\n<h3>B\u01b0\u1edbc 1: Ki\u1ec3m tra Tr\u01b0\u1edbc Khi L\u1eafp \u0110\u1eb7t<\/h3>\n<p>Ki\u1ec3m tra r\u1eb1ng:<br \/>\n\u2013 Ch\u00e8n nylon \u0111\u1ea7y \u0111\u1ee7 v\u00e0 kh\u00f4ng b\u1ecb h\u1ecfng (ch\u00e8n b\u1ecb nghi\u1ec1n n\u00e1t ho\u1eb7c r\u00e1ch s\u1ebd cung c\u1ea5p \u00edt m\u00f4-men xo\u1eafn ch\u00ednh)<br \/>\n\u2013 C\u00e1c ren c\u1ee7a bu l\u00f4ng s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng c\u00f3 v\u1ebft s\u1ee9t m\u1ebb, m\u00e0i m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng ren<br \/>\n\u2013 B\u1ea1n c\u00f3 \u0111\u00fang k\u00edch c\u1ee1 (\u0111\u01b0\u1eddng k\u00ednh ren V\u00c0 b\u01b0\u1edbc ren ph\u00f9 h\u1ee3p)<\/p>\n<p>Th\u1eed nghi\u1ec7m nhanh b\u1eb1ng tay: xo\u00e1y \u0111ai \u1ed1c l\u00ean bu l\u00f4ng s\u1ea1ch b\u1eb1ng tay \u0111\u1ebfn \u0111i\u1ec3m ch\u00e8n nylon ti\u1ebfp x\u00fac. B\u1ea1n n\u00ean c\u1ea3m th\u1ea5y l\u1ef1c c\u1ea3n r\u00f5 r\u00e0ng \u2014 kh\u00f4ng ph\u1ea3i m\u00e0i m\u00f2n, kh\u00f4ng m\u01b0\u1ee3t m\u00e0. N\u1ebfu n\u00f3 xo\u00e1y v\u00e0o m\u00e0 kh\u00f4ng g\u1eb7p tr\u1edf ng\u1ea1i n\u00e0o, ch\u00e8n \u0111\u00e3 b\u1ecb h\u1ecfng.<\/p>\n<h3>B\u01b0\u1edbc 2: B\u1eaft \u0110\u1ea7u Th\u1ee7 C\u00f4ng C\u1ea9n Th\u1eadn<\/h3>\n<p>Kh\u00f4ng bao gi\u1edd b\u1eaft \u0111\u1ea7u l\u1eafp \u0111ai \u1ed1c kh\u00f3a nylon b\u1eb1ng d\u1ee5ng c\u1ee5 \u0111i\u1ec7n t\u1eeb \u0111\u1ea7u. C\u00e1c d\u1ee5ng c\u1ee5 t\u00e1c \u0111\u1ed9ng v\u00e0 khoan v\u1eb7n c\u00f3 th\u1ec3 l\u00e0m tr\u01b0\u1ee3t ren ho\u1eb7c x\u00e9 r\u00e1ch v\u00f2ng \u0111\u1ec7m nylon tr\u01b0\u1edbc khi \u0111ai \u1ed1c \u0111\u01b0\u1ee3c b\u1eaft \u0111\u00fang c\u00e1ch. V\u1eb7n b\u1eb1ng tay cho \u0111\u1ebfn khi \u0111ai \u1ed1c ng\u1ed3i ch\u1eafc ch\u1eafn v\u00e0 nylon \u0111\u00e3 ti\u1ebfp x\u00fac, sau \u0111\u00f3 chuy\u1ec3n sang c\u1edd l\u00ea ho\u1eb7c d\u1ee5ng c\u1ee5 si\u1ebft m\u00f4-men xo\u1eafn.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c fastener ren m\u1ecbn (UNF ho\u1eb7c b\u01b0\u1edbc ren m\u1ecbn theo h\u1ec7 m\u00e9t). C\u00e1c ren m\u1ecbn c\u00f3 bi\u00ean gi\u1edbi h\u1eb9p h\u01a1n \u0111\u1ec3 tr\u01b0\u1ee3t ren.<\/p>\n<h3>B\u01b0\u1edbc 3: \u00c1p d\u1ee5ng M\u00f4-men Xo\u1eafn Theo Th\u00f4ng S\u1ed1 K\u1ef9 Thu\u1eadt<\/h3>\n<p>V\u1eb7n ch\u1eb7t \u0111ai \u1ed1c theo t\u1ea3i l\u1ef1c si\u1ebft quy \u0111\u1ecbnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u2014 kh\u00f4ng ph\u1ea3i l\u00e0 \u201c\u0111\u1ee7 ch\u1eb7t\u201d. T\u1ea3i l\u1ef1c v\u01b0\u1ee3t m\u1ee9c c\u1ee7a mi\u1ebfng nylon l\u00e0 <strong>t\u0103ng th\u00eam<\/strong> v\u00e0o t\u1ea3i l\u1ef1c \u0111\u1ecbnh v\u1ecb; c\u1edd l\u00ea c\u1ee7a b\u1ea1n n\u00ean \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi <strong>t\u1ed5ng t\u1ea3i l\u1ef1c l\u1eafp \u0111\u1eb7t<\/strong> (t\u1ea3i l\u1ef1c \u0111\u1ecbnh v\u1ecb + t\u1ea3i l\u1ef1c v\u01b0\u1ee3t m\u1ee9c). H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u1ed1c v\u00edt \u0111\u1ec1u c\u00f4ng b\u1ed1 b\u1ea3ng t\u1ea3i l\u1ef1c l\u1eafp \u0111\u1eb7t k\u1ebft h\u1ee3p; n\u1ebfu l\u00e0m vi\u1ec7c d\u1ef1a tr\u00ean th\u00f4ng s\u1ed1 t\u1ea3i l\u1ef1c \u0111\u1ecbnh v\u1ecb tr\u1ea7n, h\u00e3y c\u1ed9ng th\u00eam gi\u00e1 tr\u1ecb t\u1ea3i l\u1ef1c v\u01b0\u1ee3t m\u1ee9c t\u1eeb b\u1ea3ng d\u1eef li\u1ec7u s\u1ea3n ph\u1ea9m.<\/p>\n<p>L\u00e0m tham kh\u1ea3o, m\u1ed9t \u0111ai \u1ed1c kh\u00f3a nylon l\u1edbp m\u1ea1 k\u1ebdm lo\u1ea1i 8 M10 l\u1eafp kh\u00f4 c\u00f3 t\u1ea3i l\u1ef1c v\u01b0\u1ee3t m\u1ee9c kho\u1ea3ng 2\u20133 Nm v\u00e0 t\u1ea3i l\u1ef1c \u0111\u1ecbnh v\u1ecb \u0111\u1ec1 xu\u1ea5t l\u00e0 49 Nm \u2014 v\u00ec v\u1eady t\u1ed5ng t\u1ea3i l\u1ef1c l\u1eafp \u0111\u1eb7t kho\u1ea3ng 51\u201352 Nm.<\/p>\n<h3>B\u01b0\u1edbc 4: Ki\u1ec3m tra V\u1ecb tr\u00ed Cu\u1ed1i c\u00f9ng<\/h3>\n<p>\u1ed0c v\u00edt n\u00ean nh\u00f4 ra <strong>\u00edt nh\u1ea5t 1\u20132 v\u00f2ng ren<\/strong> sau m\u1eb7t \u0111ai \u1ed1c sau khi si\u1ebft ch\u1eb7t cu\u1ed1i c\u00f9ng. N\u1ebfu \u0111\u1ea7u \u1ed1c th\u1eb3ng b\u1eb1ng ho\u1eb7c l\u00fan xu\u1ed1ng d\u01b0\u1edbi m\u1eb7t \u0111ai \u1ed1c, s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a ren l\u00e0 h\u1ea1n ch\u1ebf v\u00e0 m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i d\u01b0\u1edbi t\u1ea3i tr\u1ecdng. S\u1ef1 ti\u1ebfp x\u00fac t\u1ed1i thi\u1ec3u c\u1ee7a ren \u0111\u1ea7y \u0111\u1ee7 l\u00e0 l\u1edbn h\u01a1n c\u1ee7a 1\u00d7 \u0111\u01b0\u1eddng k\u00ednh \u1ed1c ho\u1eb7c 6 v\u00f2ng ren \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h3>D\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft<\/h3>\n<ul>\n<li>C\u1edd l\u00ea k\u1ebft h\u1ee3p ho\u1eb7c c\u1edd l\u00ea m\u1edf (k\u00edch c\u1ee1 \u0111ai \u1ed1c ph\u00f9 h\u1ee3p)<\/li>\n<li>C\u1edd l\u00ea l\u1ef1c \u0111\u00e3 hi\u1ec7u chu\u1ea9n \u0111\u1ec3 si\u1ebft ch\u1eb7t cu\u1ed1i c\u00f9ng<\/li>\n<li>Th\u01b0\u1edbc \u0111o ren n\u1ebfu ngu\u1ed3n g\u1ed1c c\u1ee7a \u1ed1c kh\u00f4ng r\u00f5<\/li>\n<li>D\u1ea7u m\u00e1y nh\u1eb9 (t\u00f9y ch\u1ecdn; xem ghi ch\u00fa v\u1ec1 d\u1ea7u b\u00f4i tr\u01a1n \u1edf tr\u00ean)<\/li>\n<\/ul>\n<h3>Nh\u1eefng Sai L\u1ea7m Th\u01b0\u1eddng G\u1eb7p Trong L\u1eafp \u0110\u1eb7t<\/h3>\n<p><strong>V\u1eb7n qu\u00e1 m\u1ee9c so v\u1edbi quy \u0111\u1ecbnh.<\/strong> T\u1ea3i l\u1ef1c qu\u00e1 m\u1ee9c l\u00e0m n\u00e9n nylon qu\u00e1 m\u1ee9c khi\u1ebfn n\u00f3 m\u1ea5t kh\u1ea3 n\u0103ng \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i v\u1edbi ren \u2014 l\u00e0m m\u1ea5t t\u00e1c d\u1ee5ng c\u1ee7a c\u01a1 ch\u1ebf kh\u00f3a. Mi\u1ebfng nylon c\u0169ng c\u00f3 th\u1ec3 b\u1ecb \u00e9p \u0111\u1ea9y v\u00e0o \u0111\u01b0\u1eddng ren, g\u00e2y kh\u00f3 kh\u0103n trong vi\u1ec7c th\u00e1o r\u1eddi m\u1ed9t c\u00e1ch ph\u00e1 ho\u1ea1i.<\/p>\n<p><strong>S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 t\u00e1c \u0111\u1ed9ng \u0111\u1ec3 si\u1ebft ch\u1eb7t \u0111ai \u1ed1c.<\/strong> Nguy c\u01a1 ren b\u1ecb xo\u1eafn ch\u00e9o cao, v\u00e0 mi\u1ebfng nylon c\u00f3 th\u1ec3 b\u1ecb x\u00e9 r\u00e1ch tr\u01b0\u1edbc khi \u0111ai \u1ed1c v\u00e0o v\u1ecb tr\u00ed. Lu\u00f4n b\u1eaft \u0111\u1ea7u b\u1eb1ng tay, sau \u0111\u00f3 d\u00f9ng c\u1edd l\u00ea \u0111\u1ec3 si\u1ebft ch\u1eb7t.<\/p>\n<p><strong>L\u1eafp \u0111\u1eb7t tr\u00ean \u1ed1c c\u00f3 ren b\u1ecb h\u1ecfng ho\u1eb7c r\u1ec9 s\u00e9t.<\/strong> C\u00e1c s\u1ee3i ren b\u1ecb m\u1ebb c\u1eafn v\u00e0o ph\u1ea7n ch\u00e8n nylon khi l\u1eafp v\u00e0o. M\u1ed9t ph\u1ea7n ch\u00e8n b\u1ecb h\u1ecfng ch\u1ec9 cung c\u1ea5p m\u1ed9t ph\u1ea7n nh\u1ecf l\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i theo \u0111\u00e1nh gi\u00e1 c\u1ee7a n\u00f3.<\/p>\n<p><strong>B\u1ecf qua h\u01b0\u1edbng ren.<\/strong> \u1ed0c kh\u00f3a ch\u00e8n nylon l\u00e0 ren ph\u1ea3i ph\u1ea3i tr\u1eeb khi \u0111\u01b0\u1ee3c \u0111\u00e1nh d\u1ea5u r\u00f5 LH. Trong c\u00e1c \u1ee9ng d\u1ee5ng quay ng\u01b0\u1ee3c chi\u1ec1u (b\u1eaft v\u00edt b\u00e1nh xe b\u00ean tr\u00e1i, tr\u1ee5c truy\u1ec1n \u0111\u1ed9ng nh\u1ea5t \u0111\u1ecbnh), \u1ed1c kh\u00f3a ren ph\u1ea3i c\u00f3 th\u1ec3 l\u1ecfng ra khi quay \u2014 b\u1ea1n c\u1ea7n m\u1ed9t \u1ed1c kh\u00f3a ren tr\u00e1i, HO\u1eb6C m\u1ed9t chi\u1ebfn l\u01b0\u1ee3c kh\u00f3a kh\u00e1c.<\/p>\n<h3>B\u1ea1n c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng \u1ed1c kh\u00f3a ch\u00e8n nylon bao nhi\u00eau l\u1ea7n?<\/h3>\n<p><strong>N\u00f3i ch\u00ednh x\u00e1c: ch\u1ec9 m\u1ed9t l\u1ea7n, trong c\u00e1c \u1ee9ng d\u1ee5ng quan tr\u1ecdng v\u1ec1 an to\u00e0n.<\/strong> Ph\u1ea7n ch\u00e8n nylon bi\u1ebfn d\u1ea1ng khi bu l\u00f4ng c\u1eaft \u0111\u01b0\u1eddng ren c\u1ee7a n\u00f3. Sau khi th\u00e1o ra, ph\u1ea7n ch\u00e8n c\u00f3 m\u1ed9t \u201ck\u00eanh\u201d r\u1ed9ng h\u01a1n, gi\u1ea3m l\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i khi l\u1eafp l\u1ea1i.<\/p>\n<p>Trong th\u1ef1c t\u1ebf, th\u1eed nghi\u1ec7m cho th\u1ea5y m\u1ed9t \u1ed1c kh\u00f3a ch\u00e8n nylon ch\u1ea5t l\u01b0\u1ee3ng cao gi\u1eef \u0111\u01b0\u1ee3c kho\u1ea3ng 80% l\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i ban \u0111\u1ea7u sau m\u1ed9t l\u1ea7n th\u00e1o v\u00e0 l\u1eafp l\u1ea1i. Sau ba ho\u1eb7c b\u1ed1n chu k\u1ef3, l\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng c\u00f2n 50% ho\u1eb7c th\u1ea5p h\u01a1n. C\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4 v\u00e0 ti\u00eau chu\u1ea9n h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 (bao g\u1ed3m MIL-N-25027) xem \u1ed1c kh\u00f3a ch\u00e8n nylon nh\u01b0 <strong>th\u00e0nh ph\u1ea7n d\u00f9ng m\u1ed9t l\u1ea7n.<\/strong><\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00f4ng quan tr\u1ecdng, \u00edt rung \u0111\u1ed9ng \u2014 v\u1ecf \u0111i\u1ec7n t\u1eed, l\u1eafp gh\u00e9p thi\u1ebft b\u1ecb, x\u00e2y d\u1ef1ng nguy\u00ean m\u1eabu \u2014 vi\u1ec7c t\u00e1i s\u1eed d\u1ee5ng h\u1ea1n ch\u1ebf l\u00e0 ph\u1ed5 bi\u1ebfn v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. Ch\u1ec9 c\u1ea7n x\u00e1c nh\u1eadn b\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111o l\u1ef1c ho\u1eb7c c\u1ea3m nh\u1eadn b\u1eb1ng tay r\u1eb1ng l\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i v\u1eabn c\u00f2n \u00fd ngh\u0129a tr\u01b0\u1edbc khi l\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng.<\/p>\n<hr \/>\n<h2>\u1ed0c Kh\u00f3a Ch\u00e8n Nylon so v\u1edbi C\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p Kh\u00f3a Kh\u00e1c<\/h2>\n<p><strong>M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a c\u00f3 m\u1ed9t l\u0129nh v\u1ef1c \u01b0u th\u1ebf ri\u00eang. \u1ed0c kh\u00f3a ch\u00e8n nylon l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho m\u1ee5c \u0111\u00edch chung \u2014 nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t cho m\u1ecdi t\u00ecnh hu\u1ed1ng.<\/strong><\/p>\n<h3>so v\u1edbi \u0110ai \u1ed1c kh\u00f3a r\u1eddi<\/h3>\n<p>\u0110ai \u1ed1c kh\u00f3a r\u1eddi \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0ng b\u1ecb hi\u1ec3u l\u1ea7m r\u1ed9ng r\u00e3i. Nghi\u00ean c\u1ee9u c\u00f4ng b\u1ed1 b\u1edfi Junker (v\u00e0 nhi\u1ec1u l\u1ea7n sao ch\u00e9p l\u1ea1i) cho th\u1ea5y <strong>\u0111ai \u1ed1c kh\u00f3a r\u1eddi cung c\u1ea5p \u00edt kh\u00e1ng c\u1ef1 nh\u1ea5t \u0111\u1ecbnh ch\u1ed1ng l\u1ea1i vi\u1ec7c n\u1edbi l\u1ecfng d\u01b0\u1edbi t\u1ea3i tr\u1ecdng ngang \u0111\u1ed9ng.<\/strong> Vi\u1ec7c \u201cc\u1eafn\u201d c\u1ee7a c\u00e1c c\u1ea1nh \u0111ai \u1ed1c v\u00e0o c\u00e1c b\u1ec1 m\u1eb7t gh\u00e9p n\u1ed1i l\u00e0 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 ng\u0103n ch\u1eb7n quay khi li\u00ean k\u1ebft b\u1eaft \u0111\u1ea7u l\u1ecfng l\u1ebbo. Ch\u00fang th\u1eadm ch\u00ed c\u00f3 th\u1ec3 <em>t\u0103ng<\/em> t\u1ef7 l\u1ec7 n\u1edbi l\u1ecfng c\u1ee7a \u0111ai \u1ed1c trong c\u00e1c th\u1eed nghi\u1ec7m rung \u0111\u1ed9ng b\u1eb1ng c\u00e1ch gi\u1ea3m ma s\u00e1t gi\u1eefa m\u1eb7t \u0111\u1ebf c\u1ee7a \u0111ai \u1ed1c v\u00e0 \u0111ai \u1ed1c.<\/p>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, \u1ed1c kh\u00f3a ch\u00e8n nylon duy tr\u00ec l\u1ef1c xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i \u0111\u1ed9c l\u1eadp v\u1edbi ma s\u00e1t c\u1ee7a b\u1ec1 m\u1eb7t gh\u00e9p. Trong b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o c\u00f3 rung \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3, \u1ed1c kh\u00f3a ch\u00e8n nylon l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n. T\u00ecnh hu\u1ed1ng duy nh\u1ea5t m\u00e0 ch\u00fang t\u00f4i th\u00edch \u0111ai \u1ed1c r\u1eddi l\u00e0 khi chi ph\u00ed l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c s\u1ef1 \u00edt rung \u2014 nh\u01b0ng ngay c\u1ea3 trong tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, \u1ed1c kh\u00f3a ch\u00e8n nylon ch\u1ec9 \u0111\u1eaft h\u01a1n m\u1ed9t ch\u00fat v\u00e0 \u0111\u00e1ng tin c\u1eady h\u01a1n nhi\u1ec1u.<\/p>\n<h3>so v\u1edbi C\u00e1c h\u1ee3p ch\u1ea5t kh\u00f3a ren (Loctite \/ Ch\u1ea5t d\u00ednh k\u1ef5 kh\u00ed)<\/h3>\n<p>C\u00e1c h\u1ee3p ch\u1ea5t kh\u00f3a ren ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch l\u1ea5p \u0111\u1ea7y c\u00e1c khe nh\u1ecf gi\u1eefa c\u00e1c ren b\u1eb1ng ch\u1ea5t k\u1ebft d\u00ednh c\u1ee9ng l\u1ea1i trong m\u00f4i tr\u01b0\u1eddng k\u1ef5 kh\u00ed (kh\u00f4ng c\u00f3 oxy, ti\u1ebfp x\u00fac v\u1edbi kim lo\u1ea1i). C\u00e1c h\u1ee3p ch\u1ea5t trung b\u00ecnh (Loctite 243) cho ph\u00e9p th\u00e1o l\u1eafp b\u1eb1ng d\u1ee5ng c\u1ee5 ti\u00eau chu\u1ea9n; c\u00e1c h\u1ee3p ch\u1ea5t c\u01b0\u1eddng \u0111\u1ed9 cao (Loctite 262\/271) y\u00eau c\u1ea7u nhi\u1ec7t ho\u1eb7c l\u1ef1c l\u1edbn \u0111\u1ec3 ph\u00e1 v\u1ee1.<\/p>\n<p>N\u01a1i c\u00e1c ch\u1ea5t kh\u00f3a ren v\u01b0\u1ee3t tr\u1ed9i h\u01a1n \u0111inh t\u00e1n nylon:<br \/>\n&#8211; <strong>Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n<\/strong> \u2014 keo d\u00ednh k\u1ef5 kh\u00ed ho\u1ea1t \u0111\u1ed9ng \u1edf 150\u2013175\u00b0C; m\u1ed9t s\u1ed1 lo\u1ea1i cao nhi\u1ec7t \u0111\u1ed9 \u0111\u1ebfn 230\u00b0C. Tr\u00ean 120\u00b0C, b\u1ea1n c\u1ea7n ch\u1ea5t kh\u00f3a ren, kh\u00f4ng ph\u1ea3i \u0111inh t\u00e1n nylon.<br \/>\n&#8211; <strong>L\u1ed7 khoan th\u1ee7ng<\/strong> \u2014 ch\u1ea5t kh\u00f3a ren ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong l\u1ed7 khoan th\u1ee7ng \u0111\u00e3 \u0111\u01b0\u1ee3c ren, n\u01a1i b\u1ea1n kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng \u0111ai \u1ed1c.<br \/>\n&#8211; <strong>\u1ed0c v\u00edt v\u00e0 bu l\u00f4ng \u0111\u1ecbnh v\u1ecb<\/strong> \u2014 b\u1ea1n kh\u00f4ng th\u1ec3 \u0111\u1eb7t \u0111ai \u1ed1c kh\u00f3a tr\u00ean \u1ed1c v\u00edt ho\u1eb7c bu l\u00f4ng \u0111\u1ecbnh v\u1ecb; ch\u1ea5t kh\u00f3a ren l\u00e0 gi\u1ea3i ph\u00e1p.<\/p>\n<p>N\u01a1i \u0111inh t\u00e1n nylon v\u01b0\u1ee3t tr\u1ed9i h\u01a1n ch\u1ea5t kh\u00f3a ren:<br \/>\n&#8211; <strong>T\u1ea7n su\u1ea5t l\u1eafp l\u1ea1i<\/strong> \u2014 ch\u1ea5t kh\u00f3a ren y\u00eau c\u1ea7u l\u00e0m s\u1ea1ch ren gi\u1eefa c\u00e1c l\u1ea7n l\u1eafp; \u0111inh t\u00e1n nylon ch\u1ec9 c\u1ea7n thay \u0111ai \u1ed1c m\u1edbi.<br \/>\n&#8211; <strong>Nhi\u1ec7t \u0111\u1ed9 l\u1ea1nh<\/strong> \u2014 m\u1ed9t s\u1ed1 lo\u1ea1i keo d\u00ednh c\u1ee9ng ch\u1eadm ho\u1eb7c k\u00e9m hi\u1ec7u qu\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n l\u1ea1nh; \u0111inh t\u00e1n nylon ho\u1ea1t \u0111\u1ed9ng \u1edf m\u1ecdi nhi\u1ec7t \u0111\u1ed9 tr\u00ean kho\u1ea3ng -40\u00b0C.<br \/>\n&#8211; <strong>\u00d4 nhi\u1ec5m<\/strong> \u2014 b\u1ec1 m\u1eb7t \u01b0\u1edbt d\u1ea7u c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh \u0111\u00f3ng c\u1ee9ng c\u1ee7a keo k\u1ef5 kh\u00ed; \u0111inh t\u00e1n nylon ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c ren c\u00f3 d\u1ea7u nh\u1eb9.<br \/>\n&#8211; <strong>Th\u1eddi gian \u0111\u00f3ng c\u1ee9ng kh\u00f4ng c\u1ea7n thi\u1ebft<\/strong> \u2014 m\u1ed9t b\u1ed9 l\u1eafp gh\u00e9p c\u00f3 ren v\u1edbi \u0111inh t\u00e1n nylon c\u00f3 th\u1ec3 ch\u1ecbu t\u1ea3i ngay l\u1eadp t\u1ee9c; ch\u1ea5t kh\u00f3a ren th\u01b0\u1eddng c\u1ea7n 24 gi\u1edd \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng ho\u00e0n to\u00e0n.<\/p>\n<h3>so v\u1edbi \u0110inh t\u00e1n Kh\u00f3a To\u00e0n Kim Lo\u1ea1i (L\u1ef1c Qu\u00e1n T\u00ednh)<\/h3>\n<p>C\u00e1c \u0111inh t\u00e1n kh\u00f3a to\u00e0n kim lo\u1ea1i \u2014 bao g\u1ed3m c\u00e1c thi\u1ebft k\u1ebf ren bi\u1ebfn d\u1ea1ng (\u0111ai \u1ed1c oval, hex bi\u1ebfn d\u1ea1ng tr\u00ean \u0111\u1ec9nh) v\u00e0 \u0111inh t\u00e1n c\u00f3 m\u1eb7t \u0111\u1ee5c r\u0103ng \u2014 l\u00e0 gi\u1ea3i ph\u00e1p khi \u0111inh t\u00e1n nylon kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u.<\/p>\n<p>\u01afu \u0111i\u1ec3m ch\u00ednh: <strong>kh\u00f4ng gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 t\u1eeb nylon.<\/strong> \u1ed0c v\u00edt kh\u00f3a b\u1eb1ng kim lo\u1ea1i ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 tr\u00ean 300\u00b0C t\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u. Ch\u00fang b\u1eaft bu\u1ed9c trong h\u1ec7 th\u1ed1ng x\u1ea3, ph\u1ee5 ki\u1ec7n t\u0103ng \u00e1p, v\u00e0 g\u1ea7n ngu\u1ed3n nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1. Ch\u00fang c\u0169ng mi\u1ec5n nhi\u1ec5m v\u1edbi m\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng PA66.<\/p>\n<p>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i: m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a kim lo\u1ea1i ho\u00e0n to\u00e0n \u0111\u1ebfn t\u1eeb bi\u1ebfn d\u1ea1ng kim lo\u1ea1i tr\u00ean kim lo\u1ea1i, \u0111i\u1ec1u n\u00e0y g\u00e2y \u00e1p l\u1ef1c l\u1edbn h\u01a1n l\u00ean ren c\u1ee7a bu l\u00f4ng. M\u00f4-men xo\u1eafn khi l\u1eafp \u0111\u1eb7t th\u01b0\u1eddng cao h\u01a1n. V\u00e0 nhi\u1ec1u thi\u1ebft k\u1ebf \u1ed1c kh\u00f3a kim lo\u1ea1i ho\u00e0n to\u00e0n c\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng (ph\u1ea7n ren bi\u1ebfn d\u1ea1ng m\u00f2n \u0111i sau m\u1ed7i chu k\u1ef3), m\u1eb7c d\u00f9 th\u01b0\u1eddng c\u00f3 nhi\u1ec1u chu k\u1ef3 s\u1eed d\u1ee5ng h\u01a1n so v\u1edbi ch\u00e8n nylon.<\/p>\n<h3>B\u1ea2NG 3: So s\u00e1nh ph\u01b0\u01a1ng ph\u00e1p kh\u00f3a<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>\u0110ai \u1ed1c kh\u00f3a nylon<\/th>\n<th>\u1ed0c \u0111\u1ee1 t\u00e1ch r\u1eddi<\/th>\n<th>Ch\u1ea5t gi\u1eef ren (Trung b\u00ecnh)<\/th>\n<th>\u0110ai \u1ed1c kh\u00f3a kim lo\u1ea1i ho\u00e0n to\u00e0n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Kh\u00e1ng rung<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<td>\u2605\u2605\u2606\u2606\u2606<\/td>\n<td>\u2605\u2605\u2605\u2605\u2606<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a<\/td>\n<td>120\u00b0C<\/td>\n<td>Tr\u00ean 300\u00b0C<\/td>\n<td>150\u00b0C<\/td>\n<td>Tr\u00ean 300\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>C\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng<\/td>\n<td>1\u20133\u00d7 (gi\u1edbi h\u1ea1n)<\/td>\n<td>Nhi\u1ec1u l\u1ea7n<\/td>\n<td>1\u00d7 (y\u00eau c\u1ea7u l\u00e0m s\u1ea1ch)<\/td>\n<td>3\u20135\u00d7<\/td>\n<\/tr>\n<tr>\n<td>D\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t<\/td>\n<td>\u2605\u2605\u2605\u2605\u2606<\/td>\n<td>\u2605\u2605\u2605\u2605\u2605<\/td>\n<td>\u2605\u2605\u2605\u2606\u2606<\/td>\n<td>\u2605\u2605\u2605\u2606\u2606<\/td>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed (cho m\u1ed7i m\u1ed1i n\u1ed1i)<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Very low<\/td>\n<td>Th\u1ea5p<\/td>\n<td>Low\u2013Medium<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng l\u1ed7 khoan \u00e2m<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<td>C\u00f3<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ecbu d\u1ea7u m\u1ee1<\/td>\n<td>T\u1ed1t<\/td>\n<td>T\u1ed1t<\/td>\n<td>Kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>\n<td>T\u1ed1t<\/td>\n<\/tr>\n<tr>\n<td>D\u1ec5 th\u00e1o l\u1eafp<\/td>\n<td>T\u1ed1t (\u1ed1c m\u1edbi)<\/td>\n<td>D\u1ec5<\/td>\n<td>Trung b\u00ecnh (tan ch\u1ea3y\/nhi\u1ec7t \u0111\u1ed9 cao)<\/td>\n<td>Trung b\u00ecnh<\/td>\n<\/tr>\n<tr>\n<td>T\u1ed1t nh\u1ea5t cho<\/td>\n<td>Kh\u00e1ng rung \u0111\u1ed9ng chung<\/td>\n<td>C\u00e1c m\u1ed1i n\u1ed1i t\u0129nh, t\u1ea3i th\u1ea5p<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 cao, l\u1ed7 khoan k\u00edn<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 cao, rung \u0111\u1ed9ng l\u1edbn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9, xem x\u00e9t m\u00f4i tr\u01b0\u1eddng &amp; h\u1ea1n ch\u1ebf<\/h2>\n<p><strong>Y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111ai \u1ed1c kh\u00f3a nylon l\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/strong> Ph\u1ea7n nylon l\u00e0 \u0111i\u1ec3m y\u1ebfu. N\u1ebfu m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng v\u01b0\u1ee3t qu\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a ph\u1ea7n nylon, ph\u1ea7n nylon m\u1ec1m \u0111i, m\u1ea5t m\u00f4-men xo\u1eafn chi\u1ebfm \u01b0u th\u1ebf, v\u00e0 c\u00f3 th\u1ec3 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n.<\/p>\n<h3>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/h3>\n<p>C\u00e1c ph\u1ea7n nylon ti\u00eau chu\u1ea9n PA66 \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng cho <strong>d\u1ecbch v\u1ee5 li\u00ean t\u1ee5c \u0111\u1ebfn 120\u00b0C (248\u00b0F)<\/strong>, v\u1edbi gi\u1edbi h\u1ea1n ng\u1eafn h\u1ea1n (t\u1ea1m th\u1eddi) kho\u1ea3ng 150\u00b0C. \u1ede nhi\u1ec7t \u0111\u1ed9 n\u00e0y, m\u00f4-men xo\u1eafn chi\u1ebfm \u01b0u th\u1ebf b\u1eaft \u0111\u1ea7u gi\u1ea3m r\u00f5 r\u1ec7t. \u1ede 180\u00b0C tr\u1edf l\u00ean, ph\u1ea7n nylon m\u1ea5t \u0111i t\u00ednh to\u00e0n v\u1eb9n c\u1ea5u tr\u00fac v\u00e0 c\u01a1 ch\u1ebf kh\u00f3a th\u1ea5t b\u1ea1i.<\/p>\n<p><em>N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 tr\u00ean 120\u00b0C \u2014 h\u00e3y s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a m\u00f4-men xo\u1eafn b\u1eb1ng kim lo\u1ea1i ho\u1eb7c \u00e1p d\u1ee5ng h\u1ee3p ch\u1ea5t kh\u00f3a ren ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 \u0111\u00f3. Kh\u00f4ng s\u1eed d\u1ee5ng \u0111ai \u1ed1c nylon g\u1ea7n c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 \u1ed1ng x\u1ea3, t\u0103ng \u00e1p, k\u1eb9p phanh ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ecbu nhi\u1ec7t cao kh\u00e1c.<\/em><\/p>\n<p>H\u00e0nh vi \u1edf ph\u00eda l\u1ea1nh th\u01b0\u1eddng kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed1i quan t\u00e2m. PA66 v\u1eabn gi\u1eef t\u00ednh \u0111\u00e0n h\u1ed3i v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ebfn kho\u1ea3ng -40\u00b0C (ph\u1ea1m vi m\u00e0 th\u00e9p c\u1ea5u tr\u00fac c\u0169ng tr\u1edf n\u00ean gi\u00f2n). \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng cryogenic ho\u1eb7c c\u1ef1c l\u1ea1nh, h\u00e3y x\u00e1c nh\u1eadn v\u1edbi nh\u00e0 cung c\u1ea5p \u0111ai \u1ed1c nylon c\u1ee7a b\u1ea1n.<\/p>\n<h3>T\u01b0\u01a1ng th\u00edch h\u00f3a h\u1ecdc &amp; ch\u1ea5t l\u1ecfng<\/h3>\n<p>PA66 (nh\u1ef1a nylon ti\u00eau chu\u1ea9n) ph\u00f9 h\u1ee3p v\u1edbi:<br \/>\n&#8211; <strong>D\u1ea7u kho\u00e1ng, m\u1ee1 b\u00f4i tr\u01a1n<\/strong> \u2014 kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu tuy\u1ec7t v\u1eddi, ph\u1ed5 bi\u1ebfn trong \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p<br \/>\n&#8211; <strong>Axit nh\u1eb9 (pha lo\u00e3ng)<\/strong> \u2014 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c trong th\u1eddi gian ng\u1eafn; kh\u00f4ng ph\u00f9 h\u1ee3p \u0111\u1ec3 ng\u00e2m li\u00ean t\u1ee5c<br \/>\n&#8211; <strong>R\u01b0\u1ee3u<\/strong> \u2014 th\u01b0\u1eddng t\u1ed1t<br \/>\n&#8211; <strong>N\u01b0\u1edbc \/ h\u01a1i n\u01b0\u1edbc (ng\u1eafn h\u1ea1n)<\/strong> \u2014 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c; ng\u00e2m n\u01b0\u1edbc l\u00e2u d\u00e0i l\u00e0m cho PA66 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m v\u00e0 ph\u1ed3ng nh\u1eb9, gi\u1ea3m \u0111\u1ed9 kh\u00edt k\u1eb9p<\/p>\n<p>PA66 KH\u00d4NG t\u01b0\u01a1ng th\u00edch v\u1edbi:<br \/>\n&#8211; <strong>Axit m\u1ea1nh (HCl, H\u2082SO\u2084 \u0111\u1eb7c)<\/strong> \u2014 ph\u00e2n h\u1ee7y nhanh<br \/>\n&#8211; <strong>Dung d\u1ecbch ki\u1ec1m m\u1ea1nh (NaOH \u0111\u1eb7c)<\/strong> \u2014 ph\u00e2n h\u1ee7y th\u1ee7y ph\u00e2n<br \/>\n&#8211; <strong>Phenol, cresol<\/strong> \u2014 t\u1ea5n c\u00f4ng dung m\u00f4i<br \/>\n&#8211; <strong>M\u1ed9t s\u1ed1 dung m\u00f4i clo h\u00f3a nh\u1ea5t \u0111\u1ecbnh<\/strong> \u2014 bi\u1ebfn \u0111\u1ed5i; th\u1eed nghi\u1ec7m n\u1ebfu kh\u00f4ng ch\u1eafc ch\u1eafn<\/p>\n<p>Trong m\u00f4i tr\u01b0\u1eddng ti\u1ebfp x\u00fac h\u00f3a ch\u1ea5t, c\u00e1c b\u1ed9 ph\u1eadn \u0111ai \u1ed1c th\u00e9p kh\u00f4ng g\u1ec9 A4 v\u1edbi mi\u1ebfng ch\u00e8n PTFE ho\u1eb7c PEEK c\u00f3 s\u1eb5n nh\u01b0 c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1eb7c bi\u1ec7t \u2014 v\u1edbi chi ph\u00ed cao h\u01a1n \u0111\u00e1ng k\u1ec3.<\/p>\n<h3>\u0102n m\u00f2n \u0111i\u1ec7n h\u00f3a<\/h3>\n<p>Khi s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a c\u00f3 ch\u00e8n nylon th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ed1ng l\u1ea1i bu l\u00f4ng th\u00e9p carbon, c\u00f3 th\u1ec3 x\u1ea3y ra \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. \u0110ai \u1ed1c th\u00e9p kh\u00f4ng g\u1ec9 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 c\u1ef1c \u00e2m, th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh \u0103n m\u00f2n c\u1ee7a bu l\u00f4ng th\u00e9p. Trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n ho\u1eb7c \u0111\u1ed9 \u1ea9m cao, n\u00ean s\u1eed d\u1ee5ng b\u1ed9 ph\u1ee5 ki\u1ec7n to\u00e0n th\u00e9p kh\u00f4ng g\u1ec9 (bu l\u00f4ng, \u0111\u1ec7m, \u0111ai \u1ed1c \u0111\u1ec1u A4) ho\u1eb7c s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng c\u00e1ch ly \u0111\u1ec3 ph\u00e1 v\u1ee1 t\u1ebf b\u00e0o \u0111i\u1ec7n h\u00f3a.<\/p>\n<hr \/>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<p><img decoding=\"async\" alt=\"\u1ed0c v\u00edt kh\u00f3a ch\u1ed1t nylon \u2014 ph\u1ea7n c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p h\u00ecnh \u1ea3nh th\u1ec3 hi\u1ec7n c\u00e1c c\u1ea5u h\u00ecnh v\u00edt kh\u00e1c nhau v\u00e0 c\u00e1c c\u00e2u h\u1ecfi\" src=\"https:\/\/productionscrews.com\/wp-content\/uploads\/2026\/05\/04-closing-3.png\" \/><\/p>\n<p><strong>H\u1ecfi: T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a c\u00f3 ch\u00e8n nylon tr\u00ean bu l\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9 kh\u00f4ng?<\/strong><\/p>\n<p>C\u00f3 \u2014 \u0111ai \u1ed1c kh\u00f3a c\u00f3 ch\u00e8n nylon th\u00e9p kh\u00f4ng g\u1ec9 (A2 ho\u1eb7c A4) n\u00ean \u0111i c\u00f9ng v\u1edbi bu l\u00f4ng th\u00e9p kh\u00f4ng g\u1ec9. S\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a th\u00e9p kh\u00f4ng g\u1ec9 tr\u00ean bu l\u00f4ng th\u00e9p carbon trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt t\u1ea1o th\u00e0nh c\u1eb7p \u0111i\u1ec7n h\u00f3a th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh \u0103n m\u00f2n bu l\u00f4ng. Ph\u00f9 h\u1ee3p v\u1eadt li\u1ec7u trong to\u00e0n b\u1ed9 m\u1ed1i gh\u00e9p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u1ed5i th\u1ecd t\u1ed1t nh\u1ea5t.<\/p>\n<p><strong>H\u1ecfi: T\u00f4i v\u1eb7n \u0111ai \u1ed1c kh\u00f3a c\u00f3 ch\u00e8n nylon theo h\u01b0\u1edbng n\u00e0o?<\/strong><\/p>\n<p>Theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 (ren ph\u1ea3i ti\u00eau chu\u1ea9n), gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 \u0111ai \u1ed1c th\u00f4ng th\u01b0\u1eddng n\u00e0o. Mi\u1ebfng ch\u00e8n nylon kh\u00f4ng thay \u0111\u1ed5i h\u01b0\u1edbng ren. Ngo\u1ea1i l\u1ec7 duy nh\u1ea5t l\u00e0 \u0111ai \u1ed1c kh\u00f3a c\u00f3 ren tr\u00e1i (LH), m\u00e0 b\u1ea1n s\u1ebd mua c\u00f3 ch\u1ee7 \u0111\u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng quay ng\u01b0\u1ee3c chi\u1ec1u.<\/p>\n<p><strong>H\u1ecfi: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft \u0111ai \u1ed1c kh\u00f3a c\u00f3 ch\u00e8n nylon c\u00f2n d\u00f9ng \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong><\/p>\n<p>V\u1eb7n n\u00f3 l\u00ean bu l\u00f4ng s\u1ea1ch b\u1eb1ng tay. N\u1ebfu c\u1ea3m th\u1ea5y l\u1ef1c kh\u00e1ng r\u00f5 r\u00e0ng, nh\u1ea5t qu\u00e1n khi nylon ti\u1ebfp x\u00fac \u2014 mi\u1ebfng ch\u00e8n v\u1eabn c\u00f2n m\u00f4-men xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f3 \u0111\u1ed9 quan tr\u1ecdng th\u1ea5p. N\u1ebfu n\u00f3 v\u1eb7n tr\u01a1n tru kh\u00f4ng c\u00f3 l\u1ef1c kh\u00e1ng qua v\u00f9ng nylon, mi\u1ebfng ch\u00e8n \u0111\u00e3 h\u1ebft h\u1ea1n. Thay th\u1ebf n\u00f3. \u0110\u1ed1i v\u1edbi c\u00e1c m\u1ed1i gh\u00e9p quan tr\u1ecdng v\u1ec1 an to\u00e0n, lu\u00f4n thay th\u1ebf b\u1ea5t k\u1ec3 c\u1ea3m nh\u1eadn nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n<p><strong>H: C\u00e1c \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon c\u00f3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean ren m\u1ecbn kh\u00f4ng?<\/strong><\/p>\n<p>C\u00f3 \u2014 \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon c\u00f3 s\u1eb5n trong lo\u1ea1i ren m\u1ecbn (UNF, ren m\u00e9t m\u1ecbn). M\u00f4-men xo\u1eafn gi\u1eef ch\u1eb7t th\u01b0\u1eddng th\u1ea5p h\u01a1n ch\u00fat \u1edf c\u00e1c lo\u1ea1i ren m\u1ecbn v\u00ec mi\u1ebfng nylon ti\u1ebfp x\u00fac v\u1edbi h\u00ecnh d\u1ea1ng ren n\u00f4ng h\u01a1n. X\u00e1c nh\u1eadn r\u1eb1ng \u0111ai \u1ed1c l\u00e0 phi\u00ean b\u1ea3n ren m\u1ecbn; \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon ren th\u00f4 v\u00e0 ren m\u1ecbn kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n<p><strong>H: T\u00f4i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon \u1edf khu v\u1ef1c c\u00f3 l\u1eeda tr\u1ef1c ti\u1ebfp ho\u1eb7c nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng?<\/strong><\/p>\n<p>Kh\u00f4ng. Tr\u00ean 120\u00b0C, mi\u1ebfng nylon m\u1ea5t kh\u1ea3 n\u0103ng gi\u1eef ch\u1eb7t, v\u00e0 tr\u00ean 150\u00b0C, mi\u1ebfng nylon c\u00f3 th\u1ec3 tan ch\u1ea3y ho\u1eb7c bi\u1ebfn d\u1ea1ng. G\u1ea7n h\u1ec7 th\u1ed1ng x\u1ea3, t\u0103ng \u00e1p ho\u1eb7c b\u1ed9 ph\u1eadn phanh, h\u00e3y s\u1eed d\u1ee5ng \u0111ai \u1ed1c gi\u1eef ch\u1eb7t b\u1eb1ng kim lo\u1ea1i ho\u1eb7c h\u1ee3p ch\u1ea5t kh\u00f3a nhi\u1ec7t \u0111\u1ed9 cao thay th\u1ebf.<\/p>\n<p><strong>H: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon DIN 985 v\u00e0 DIN 982 l\u00e0 g\u00ec?<\/strong><\/p>\n<p>DIN 985 l\u00e0 \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon chi\u1ec1u cao ti\u00eau chu\u1ea9n (m\u1ecfng) \u2014 ph\u1ed5 bi\u1ebfn nh\u1ea5t. DIN 982 l\u00e0 phi\u00ean b\u1ea3n \u201ccao\u201d ho\u1eb7c \u201cl\u1edbn\u201d, v\u1edbi th\u00e2n \u0111ai \u1ed1c cao h\u01a1n cung c\u1ea5p nhi\u1ec1u ti\u1ebfp x\u00fac ren h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c cao h\u01a1n. S\u1eed d\u1ee5ng DIN 982 khi c\u1ea7n l\u1ef1c si\u1ebft ch\u1eb7t cao h\u01a1n ho\u1eb7c khi si\u1ebft theo gi\u1edbi h\u1ea1n t\u1ed1i \u0111a c\u1ee7a kh\u1ea3 n\u0103ng c\u1ee7a bu l\u00f4ng.<\/p>\n<p><strong>H: \u0110ai \u1ed1c kh\u00f3a ch\u1ed1t nylon c\u00f3 tu\u00e2n th\u1ee7 RoHS kh\u00f4ng?<\/strong><\/p>\n<p>H\u1ea7u h\u1ebft c\u00e1c \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng mi\u1ebfng ch\u00e8n PA66 v\u00e0 l\u1edbp m\u1ea1 k\u1ebdm \u0111i\u1ec7n ph\u00e2n \u0111\u1ec1u tu\u00e2n th\u1ee7 RoHS (l\u1edbp m\u1ea1 k\u1ebdm th\u01b0\u1eddng d\u00f9ng l\u1edbp ph\u1ee7 trivalent cr\u00f4m, kh\u00f4ng ph\u1ea3i hexavalent). X\u00e1c nh\u1eadn v\u1edbi t\u00e0i li\u1ec7u c\u1ee7a nh\u00e0 cung c\u1ea5p n\u1ebfu y\u00eau c\u1ea7u tu\u00e2n th\u1ee7 RoHS l\u00e0 b\u1eaft bu\u1ed9c cho ch\u1ee9ng nh\u1eadn s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng c\u1ee7a b\u1ea1n.<\/p>\n<hr \/>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p><strong>\u0110ai \u1ed1c kh\u00f3a nylon<\/strong> l\u00e0 c\u00f4ng ngh\u1ec7 b\u1eaft v\u00edt \u0111\u00e3 tr\u01b0\u1edfng th\u00e0nh, hi\u1ec3u r\u00f5 v\u00e0 c\u00f3 ph\u1ea1m vi hi\u1ec7u su\u1ea5t r\u00f5 r\u00e0ng: ch\u1ed1ng rung t\u1ed1t, d\u1ec5 l\u1eafp \u0111\u1eb7t, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u1eeba ph\u1ea3i, v\u00e0 gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 c\u1ee9ng \u1edf 120\u00b0C. Trong ph\u1ea1m vi \u0111\u00f3, ch\u00fang v\u01b0\u1ee3t tr\u1ed9i h\u01a1n \u0111\u1ec7m kh\u00f3a t\u00e1ch r\u1eddi v\u00e0 ph\u00f9 h\u1ee3p ho\u1eb7c v\u01b0\u1ee3t qua c\u00e1c h\u1ee3p ch\u1ea5t kh\u00f3a ren trong vi\u1ec7c ti\u1ec7n l\u1ee3i khi l\u1eafp l\u1ea1i.<\/p>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ee5 thu\u1ed9c v\u00e0o ba y\u1ebfu t\u1ed1: c\u1ea5p v\u1eadt li\u1ec7u (k\u1ebdm, th\u00e9p kh\u00f4ng g\u1ec9, \u0111\u1ed3ng thau \u2014 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng), h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc ren (m\u00e9tric DIN 985\/982 ho\u1eb7c imperial ANSI B18.16), v\u00e0 li\u1ec7u nhi\u1ec7t \u0111\u1ed9 trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng c\u00f3 duy tr\u00ec d\u01b0\u1edbi 120\u00b0C hay kh\u00f4ng. Ch\u1ecdn \u0111\u00fang ba y\u1ebfu t\u1ed1 \u0111\u00f3, theo d\u00f5i tr\u00ecnh t\u1ef1 l\u1eafp \u0111\u1eb7t \u1edf tr\u00ean \u2014 b\u1eaft \u0111\u1ea7u b\u1eb1ng tay, si\u1ebft theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, ki\u1ec3m tra ph\u1ea7n nh\u00f4 ra \u2014 v\u00e0 thay th\u1ebf thay v\u00ec t\u00e1i s\u1eed d\u1ee5ng trong b\u1ea5t k\u1ef3 m\u1ed1i n\u1ed1i an to\u00e0n n\u00e0o.<\/p>\n<p>Duy\u1ec7t <a href=\"https:\/\/productionscrews.com\/vi\/\" target=\"_blank\">productionscrews.com<\/a> \u0111\u1ec3 \u0111ai \u1ed1c kh\u00f3a ch\u1ed1t nylon trong l\u1edbp m\u1ea1 k\u1ebdm, th\u00e9p kh\u00f4ng g\u1ec9 A2 v\u00e0 A4 trong to\u00e0n b\u1ed9 ph\u1ea1m vi k\u00edch th\u01b0\u1edbc m\u00e9t v\u00e0 inch, ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i v\u1edbi b\u1ea3n v\u1ebd \u0111\u1ec3 x\u00e1c nh\u1eadn th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n<hr \/>\n<p><em>C\u00e1c ch\u1ed7 gi\u1eef ch\u1ed7 li\u00ean k\u1ebft n\u1ed9i b\u1ed9 \u2014 c\u1eadp nh\u1eadt tr\u01b0\u1edbc khi xu\u1ea5t b\u1ea3n:<\/em><br \/>\n&#8211; <a href=\"https:\/\/productionscrews.com\/vi\/\" target=\"_blank\">li\u00ean quan: h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn \u0111ai \u1ed1c kh\u00f3a ren m\u00e9t<\/a><br \/>\n&#8211; <a href=\"https:\/\/productionscrews.com\/vi\/\" target=\"_blank\">li\u00ean quan: gi\u1ea3i th\u00edch s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i bu l\u00f4ng<\/a><\/p>\n<p><em>Ngu\u1ed3n tham kh\u1ea3o ch\u00ednh th\u1ee9c b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong n\u1ed9i tuy\u1ebfn:<\/em><br \/>\n1. <a href=\"https:\/\/en.wikipedia.org\/wiki\/Nyloc_nut\" target=\"_blank\" rel=\"noopener\">\u1ed0c nyloc \u2014 Wikipedia<\/a> \u2014 \u0111\u1ecbnh ngh\u0129a\/ngu\u1ed3n g\u1ed1c<br \/>\n2. <a href=\"https:\/\/www.youtube.com\/watch?v=exoYOASX9c0\" target=\"_blank\" rel=\"noopener\">\u0110ai \u1ed1c kh\u00f3a ch\u1ed1t nylon \u2014 Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 ph\u1ee5 ki\u1ec7n b\u1eaft v\u00edt<\/a> \u2014 t\u1ed5ng quan v\u1ec1 l\u1eafp \u0111\u1eb7t<\/p>\n<p><em>L\u01b0u \u00fd: Ch\u1ec9 t\u00ecm th\u1ea5y 2 li\u00ean k\u1ebft ch\u00ednh th\u1ee9c b\u00ean ngo\u00e0i qua script (Serper tr\u1ea3 v\u1ec1 l\u1ed7i cho truy v\u1ea5n ph\u1ee9c t\u1ea1p). Khuy\u1ebfn ngh\u1ecb b\u1ed5 sung th\u1ee7 c\u00f4ng \u0111\u1ec3 tr\u00edch d\u1eabn nghi\u00ean c\u1ee9u c\u1ee7a Junker v\u00e0 tham kh\u1ea3o ANSI\/ASME.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>\u1ed0c v\u00edt ch\u1eb7n b\u1eb1ng v\u1eadt li\u1ec7u nylon s\u1eed d\u1ee5ng v\u00f2ng c\u1ed5 b\u1eb1ng polymer \u0111\u1ec3 ch\u1ed1ng l\u1ecfng do rung \u0111\u1ed9ng. T\u00ecm hi\u1ec3u c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng, lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p, th\u00f4ng s\u1ed1 m\u00f4-men xo\u1eafn l\u1eafp \u0111\u1eb7t, gi\u1edbi h\u1ea1n t\u00e1i s\u1eed d\u1ee5ng v\u00e0 khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf nh\u01b0 h\u1ee3p ch\u1ea5t kh\u00f3a ren ho\u1eb7c \u1ed1c kh\u00f3a kim lo\u1ea1i ho\u00e0n to\u00e0n.<\/p>","protected":false},"author":1,"featured_media":3620,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3624","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\/3624","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=3624"}],"version-history":[{"count":0,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3624\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/3620"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=3624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=3624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=3624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}