{"id":3635,"date":"2026-05-05T01:43:32","date_gmt":"2026-05-05T01:43:32","guid":{"rendered":"https:\/\/productionscrews.com\/nylon-spacers\/"},"modified":"2026-05-05T01:44:34","modified_gmt":"2026-05-05T01:44:34","slug":"nylon-spacers","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/nylon-spacers\/","title":{"rendered":"V\u1eadt T\u01b0 Nylon: H\u01b0\u1edbng D\u1eabn To\u00e0n Di\u1ec7n V\u1ec1 C\u00e1c Lo\u1ea1i, K\u00edch Th\u01b0\u1edbc V\u00e0 \u1ee8ng D\u1ee5ng"},"content":{"rendered":"

C\u00e1c spacers nylon l\u00e0 c\u00e1c b\u1ed9 gi\u1eef ch\u1eb7t b\u1eb1ng nh\u1ef1a h\u00ecnh tr\u1ee5 t\u1ea1o ra c\u00e1c khe h\u1edf ch\u00ednh x\u00e1c gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p c\u01a1 kh\u00ed v\u00e0 \u0111i\u1ec7n t\u1eed, \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao v\u1ec1 kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 nh\u1eb9 c\u00e2n.<\/strong><\/p>\n

\"\u0111\u1ec7m<\/figure>\n

B\u1ea1n \u0111ang thi\u1ebft k\u1ebf h\u1ed9p \u0111\u1ef1ng PCB. B\u1ea3ng m\u1ea1ch c\u1ea7n n\u1ed5i 6 mm tr\u00ean \u0111\u1ebf \u2014 \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t nh\u01b0ng kh\u00f4ng ch\u1ea1m v\u00e0o kim lo\u1ea1i, c\u00e1ch ly rung \u0111\u1ed9ng, v\u00e0 l\u1eafp r\u00e1p m\u00e0 kh\u00f4ng c\u1ea7n d\u1ee5ng c\u1ee5 si\u1ebft l\u1ef1c. Ho\u1eb7c b\u1ea1n \u0111ang \u0111i d\u00e2y qua b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u1ea7n ki\u1ec3m so\u00e1t khe h\u1edf nh\u1ea5t qu\u00e1n m\u00e0 kh\u00f4ng g\u1eb7p r\u1ee7i ro \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a c\u1ee7a th\u00e9p. Trong c\u1ea3 hai tr\u01b0\u1eddng h\u1ee3p, spacers nylon th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c m\u00e0 ph\u1ea7n c\u1ee9ng kim lo\u1ea1i kh\u00f4ng th\u1ec3 s\u00e1nh b\u1eb1ng trong c\u00e1c ng\u1eef c\u1ea3nh n\u00e0y.<\/p>\n

H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec k\u1ef9 s\u01b0 mua h\u00e0ng, nh\u00e0 thi\u1ebft k\u1ebf PCB v\u00e0 qu\u1ea3n l\u00fd ch\u1ebf t\u1ea1o c\u1ea7n bi\u1ebft v\u1ec1 spacers nylon: c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u v\u00e0 \u00fd ngh\u0129a th\u1ef1c s\u1ef1 c\u1ee7a ch\u00fang \u0111\u1ed1i v\u1edbi tu\u1ed5i th\u1ecd d\u1ecbch v\u1ee5, ph\u00e2n lo\u1ea1i \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i, l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf, ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn theo \u1ee9ng d\u1ee5ng, v\u00e0 c\u00e1c chi ti\u1ebft ngu\u1ed3n cung c\u1ea5p m\u00e0 b\u1ea3ng \u0111\u1eb7c t\u00ednh b\u1ecf qua.<\/p>\n

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Spacers nylon l\u00e0 g\u00ec?<\/h2>\n

Spacers nylon l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c gia c\u00f4ng ch\u00ednh x\u00e1c ho\u1eb7c \u0111\u00fac b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p ti\u00eam, \u0111\u1eb7t gi\u1eefa hai b\u1ed9 ph\u1eadn \u0111\u1ec3 duy tr\u00ec kho\u1ea3ng c\u00e1ch x\u00e1c \u0111\u1ecbnh. Ch\u00fang ch\u1ecbu l\u1ef1c n\u00e9n, c\u0103n ch\u1ec9nh c\u00e1c th\u00e0nh ph\u1ea7n tr\u00ean c\u00f9ng m\u1ed9t tr\u1ee5c b\u1eaft v\u00edt, v\u00e0 \u2014 quan tr\u1ecdng \u2014 cung c\u1ea5p c\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i. T\u00ednh ch\u1ea5t cu\u1ed1i c\u00f9ng n\u00e0y l\u00e0 l\u00fd do t\u1ea1i sao spacers nylon chi\u1ebfm \u01b0u th\u1ebf trong vi\u1ec7c g\u1eafn PCB, kho\u1ea3ng c\u00e1ch kh\u1ed1i terminal, v\u00e0 c\u00e1ch ly c\u1ea3m bi\u1ebfn \u00f4 t\u00f4.<\/p>\n

Ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i nghe c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n: \u0111i\u1ec1n v\u00e0o m\u1ed9t khe h\u1edf, gi\u1eef kho\u1ea3ng c\u00e1ch. Nh\u01b0ng k\u1ef9 thu\u1eadt \u0111\u1eb1ng sau m\u1ed9t spacers nylon \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh t\u1ed1t li\u00ean quan \u0111\u1ebfn dung sai \u0111\u1ed9 d\u00e0y th\u00e0nh (\u00b10.05 mm trong c\u00e1c lo\u1ea1i ch\u00ednh x\u00e1c), ki\u1ec3m so\u00e1t \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi ren, v\u00e0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u1ea3i t\u1ed3n t\u1ea1i qua qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n

Nylon so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u spacers kh\u00e1c<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Thu\u1ed9c t\u00ednh<\/th>\nNylon (PA66)<\/th>\nNh\u00f4m<\/th>\nTh\u00e9p kh\u00f4ng g\u1ec9<\/th>\nPTFE<\/th>\n<\/tr>\n<\/thead>\n
C\u00e1ch \u0111i\u1ec7n<\/td>\n\u2705 Xu\u1ea5t s\u1eafc<\/td>\n\u274c D\u1eabn \u0111i\u1ec7n<\/td>\n\u274c D\u1eabn \u0111i\u1ec7n<\/td>\n\u2705 Xu\u1ea5t s\u1eafc<\/td>\n<\/tr>\n
Ch\u1ed1ng \u0103n m\u00f2n<\/td>\n\u2705 Xu\u1ea5t s\u1eafc<\/td>\n\u26a0\ufe0f Oxy h\u00f3a<\/td>\n\u2705 Xu\u1ea5t s\u1eafc<\/td>\n\u2705 Xu\u1ea5t s\u1eafc<\/td>\n<\/tr>\n
Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td>\n-40\u00b0C \u0111\u1ebfn +120\u00b0C<\/td>\n-200\u00b0C \u0111\u1ebfn +150\u00b0C<\/td>\n-200\u00b0C \u0111\u1ebfn +500\u00b0C<\/td>\n-200\u00b0C \u0111\u1ebfn +260\u00b0C<\/td>\n<\/tr>\n
Tr\u1ecdng l\u01b0\u1ee3ng<\/td>\n\u2705 R\u1ea5t nh\u1eb9<\/td>\n\u2705 Nh\u1eb9<\/td>\n\u274c N\u1eb7ng<\/td>\n\u2705 Nh\u1eb9<\/td>\n<\/tr>\n
Chi ph\u00ed<\/td>\n\u2705 Th\u1ea5p<\/td>\n\u26a0\ufe0f Trung b\u00ecnh<\/td>\n\u274c Cao<\/td>\n\u274c Cao<\/td>\n<\/tr>\n
Kh\u1ea3 n\u0103ng gia c\u00f4ng<\/td>\n\u2705 D\u1ec5<\/td>\n\u2705 D\u1ec5<\/td>\n\u26a0\ufe0f Kh\u00f3 h\u01a1n<\/td>\n\u26a0\ufe0f Kh\u00f3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C\u00e1c b\u1ed9 c\u00e1ch nhi\u1ec7t nylon chi\u1ebfm v\u1ecb tr\u00ed l\u00fd t\u01b0\u1edfng cho \u0111i\u1ec7n t\u1eed, h\u00e0ng ti\u00eau d\u00f9ng v\u00e0 c\u00e1c b\u1ed9 l\u1eafp r\u00e1p c\u01a1 kh\u00ed ch\u1ecbu t\u1ea3i trung b\u00ecnh. Khi c\u1ea7n nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n ho\u1eb7c kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u01b0\u1ee3t qu\u00e1 ph\u1ea1m vi c\u1ee7a nylon, b\u1ea1n chuy\u1ec3n sang c\u00e1c b\u1ed9 c\u00e1ch nhi\u1ec7t b\u1eb1ng nh\u00f4m ho\u1eb7c th\u00e9p \u2014 nh\u01b0ng b\u1ea1n m\u1ea5t \u0111i l\u1ee3i th\u1ebf c\u00e1ch \u0111i\u1ec7n.<\/p>\n

V\u1eadt li\u1ec7u \u0111\u1eb1ng sau t\u00ean g\u1ecdi: C\u00e1c lo\u1ea1i nylon<\/h3>\n

\u201cNylon\u201d bao g\u1ed3m m\u1ed9t h\u1ecd c\u00e1c polyamide v\u1edbi \u0111\u1eb7c t\u00ednh kh\u00e1c nhau r\u00f5 r\u1ec7t. Vi\u1ec7c bi\u1ebft ch\u00ednh x\u00e1c lo\u1ea1i grade b\u1ea1n \u0111ang s\u1eed d\u1ee5ng quan tr\u1ecdng h\u01a1n h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i th\u1eeba nh\u1eadn.<\/p>\n

PA6 (Nylon 6):<\/strong> Chi ph\u00ed th\u1ea5p h\u01a1n, h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m d\u1ec5 d\u00e0ng h\u01a1n (~2.7% h\u1ea5p th\u1ee5 n\u01b0\u1edbc t\u1ea1i \u0111\u1ed9 \u1ea9m 50%), thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc theo s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9 \u1ea9m. Ph\u00f9 h\u1ee3p cho c\u00e1c b\u1ed9 l\u1eafp r\u00e1p trong nh\u00e0, m\u00f4i tr\u01b0\u1eddng ki\u1ec3m so\u00e1t. Kh\u00f4ng l\u00fd t\u01b0\u1edfng n\u01a1i y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1eb7t ch\u1ebd ph\u1ea3i gi\u1eef qua c\u00e1c m\u00f9a.<\/p>\n

PA66 (Nylon 6\/6):<\/strong> Lo\u1ea1i ch\u1ecbu t\u1ea3i ch\u00ednh \u2014 c\u1ee9ng h\u01a1n kho\u1ea3ng 15% so v\u1edbi PA6, kh\u1ea3 n\u0103ng ch\u1ed1ng tr\u01b0\u1ee3t d\u01b0\u1edbi t\u1ea3i k\u00e9o d\u00e0i t\u1ed1t h\u01a1n, h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m th\u1ea5p h\u01a1n (~1.5% t\u1ea1i \u0111\u1ed9 \u1ea9m 50%). Theo t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u1ec1 c\u00e1c lo\u1ea1i polyme k\u1ef9 thu\u1eadt c\u1ee7a DuPont<\/a>, PA66 duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc kho\u1ea3ng 20% t\u1ed1t h\u01a1n PA6 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt. H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 c\u00e1ch nhi\u1ec7t nylon th\u01b0\u01a1ng m\u1ea1i \u0111\u01b0\u1ee3c d\u00e1n nh\u00e3n \u0111\u01a1n gi\u1ea3n l\u00e0 \u201cnylon\u201d l\u00e0 PA66.<\/p>\n

PA66 gia c\u1ed1 s\u1ee3i th\u1ee7y tinh (PA66-GF30):<\/strong> S\u1ee3i th\u1ee7y tinh ng\u1eafn 30% t\u0103ng c\u01b0\u1eddng kho\u1ea3ng ba l\u1ea7n \u0111\u1ed9 b\u1ec1n k\u00e9o (t\u1eeb ~80 MPa l\u00ean ~210 MPa) v\u00e0 g\u1ea7n nh\u01b0 gi\u1ea3m m\u1ed9t n\u1eeda h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t. \u0110\u00e2y l\u00e0 l\u1ef1a ch\u1ecdn cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea5u tr\u00fac \u2014 g\u1eafn c\u00e1c b\u1ed9 t\u1ea3n nhi\u1ec7t n\u1eb7ng, gi\u00e1 \u0111\u1ee1 \u00f4 t\u00f4 ch\u1ecbu rung \u0111\u1ed9ng cao, v\u00e0 c\u00e1c b\u1ed9 g\u1eafn t\u1ea3i tr\u1ecdng. M\u00e0u s\u1eafc th\u01b0\u1eddng l\u00e0 x\u00e1m ho\u1eb7c \u0111en v\u00ec s\u1ee3i ng\u0103n ch\u1eb7n vi\u1ec7c nhu\u1ed9m m\u00e0u \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n

Nylon 12 (PA12):<\/strong> H\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m th\u1ea5p h\u01a1n (~0.6%), \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u01b0\u1ee3t tr\u1ed9i, kh\u1ea3 n\u0103ng ch\u1ed1ng h\u00f3a ch\u1ea5t t\u1ed1t h\u01a1n \u0111\u1ed1i v\u1edbi nhi\u00ean li\u1ec7u v\u00e0 d\u1ea7u b\u00f4i tr\u01a1n. Th\u01b0\u1eddng d\u00f9ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u00f4 t\u00f4 v\u00e0 h\u1ec7 th\u1ed1ng ch\u1ea5t l\u1ecfng. Chi ph\u00ed kho\u1ea3ng 2\u20133 l\u1ea7n PA66 nh\u01b0ng \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc th\u01b0\u1eddng \u0111\u1ee7 \u0111\u1ec3 b\u00f9 \u0111\u1eafp.<\/p>\n

Trong th\u1ef1c t\u1ebf, n\u1ebfu b\u1ea3n v\u1ebd ghi \u201cb\u1ed9 c\u00e1ch nhi\u1ec7t nylon\u201d m\u00e0 kh\u00f4ng ghi r\u00f5 lo\u1ea1i, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c PA66. N\u1ebfu \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n n\u1eb1m trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt, c\u00f3 t\u00ednh \u0103n m\u00f2n h\u00f3a h\u1ecdc ho\u1eb7c chu k\u1ef3 nhi\u1ec7t, h\u00e3y ch\u1ec9 r\u00f5 lo\u1ea1i grade m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng.<\/p>\n

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C\u00e1c lo\u1ea1i b\u1ed9 c\u00e1ch nhi\u1ec7t nylon<\/h2>\n

Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 c\u00e1ch nhi\u1ec7t nylon \u0111\u1ec1u c\u00f3 h\u00ecnh d\u1ea1ng gi\u1ed1ng nhau, v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang quy\u1ebft \u0111\u1ecbnh c\u1ea3 ph\u00f9 h\u1ee3p \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u01b0\u1eddng t\u1ea3i qua b\u1ed9 l\u1eafp r\u00e1p.<\/p>\n

\"\u0111\u1ec7m<\/figure>\n

Kho\u1ea3ng c\u00e1ch tr\u00f2n (h\u00ecnh tr\u1ee5)<\/h3>\n

H\u00ecnh d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t. M\u1ed9t h\u00ecnh tr\u1ee5 tr\u01a1n v\u1edbi l\u1ed7 xuy\u00ean qua c\u00f3 k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p \u0111\u1ec3 qua m\u1ed9t bu l\u00f4ng, v\u00edt m\u00e1y ho\u1eb7c thanh. Kho\u1ea3ng c\u00e1ch tr\u00f2n ho\u1ea1t \u0111\u1ed9ng khi kh\u00f4ng y\u00eau c\u1ea7u ng\u0103n quay v\u00e0 n\u01a1i fastener \u0111\u1ea3m nh\u1eadn vi\u1ec7c c\u0103n ch\u1ec9nh. Ch\u00fang l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho c\u00e1c ch\u00e2n \u0111\u1ebf PCB, kho\u1ea3ng c\u00e1ch t\u1ea5m, v\u00e0 l\u1eafp r\u00e1p qua bu l\u00f4ng.<\/p>\n

C\u00f3 s\u1eb5n v\u1edbi l\u1ed7 tr\u01a1n (cho bu l\u00f4ng xuy\u00ean qua), ho\u1eb7c v\u1edbi l\u1ed7 h\u01a1i nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat \u0111\u1ec3 gi\u1eef ch\u1eb7t fastener nh\u1eb1m ng\u0103n l\u1ecfng l\u1ebbo d\u01b0\u1edbi rung \u0111\u1ed9ng.<\/p>\n

Kho\u1ea3ng c\u00e1ch h\u00ecnh l\u1ee5c gi\u00e1c (Standoffs)<\/h3>\n

H\u00ecnh d\u1ea1ng ngo\u00e0i l\u1ee5c gi\u00e1c v\u1edbi ho\u1eb7c l\u1ed7 xuy\u00ean qua ho\u1eb7c ren n\u1eef \u1edf c\u1ea3 hai \u0111\u1ea7u. H\u00ecnh d\u1ea1ng l\u1ee5c gi\u00e1c cho ph\u00e9p b\u1ea1n si\u1ebft ch\u1eb7t b\u1eb1ng d\u1ee5ng c\u1ee5 c\u1edd l\u00ea ti\u00eau chu\u1ea9n \u2014 r\u1ea5t quan tr\u1ecdng khi b\u1ea1n c\u1ea7n m\u1ed9t l\u1ef1c n\u00e9n x\u00e1c \u0111\u1ecbnh thay v\u00ec ch\u1ec9 v\u1eeba \u0111\u1ee7 b\u1eb1ng tay. Kho\u1ea3ng c\u00e1ch h\u00ecnh l\u1ee5c gi\u00e1c n\u1eef-n\u1eef ph\u1ed5 bi\u1ebfn trong x\u1ebfp ch\u1ed3ng PCB: v\u1eb7n v\u00edt t\u1eeb m\u1ed9t \u0111\u1ea7u, x\u1ebfp t\u1ea5m ti\u1ebfp theo, v\u1eb7n v\u00edt t\u1eeb tr\u00ean c\u00f9ng. S\u1ea1ch s\u1ebd, l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c, c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa.<\/p>\n

Kho\u1ea3ng c\u00e1ch h\u00ecnh l\u1ee5c gi\u00e1c nam-n\u1eef th\u00eam m\u1ed9t ch\u1ed1t ren \u1edf m\u1ed9t \u0111\u1ea7u \u0111\u1ec3 g\u1eafn tr\u1ef1c ti\u1ebfp v\u00e0o PCB m\u00e0 kh\u00f4ng c\u1ea7n v\u00edt ri\u00eang.<\/p>\n

Kho\u1ea3ng c\u00e1ch Nylon c\u00f3 ren<\/h3>\n

C\u1ea5u h\u00ecnh nam-n\u1eef v\u00e0 n\u1eef-n\u1eef v\u1edbi ren trong ho\u1eb7c ngo\u00e0i. Ren trong th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1eaft (khoan) ch\u1ee9 kh\u00f4ng \u0111\u00fac, gi\u00fap \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ren v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o t\u1ed1t h\u01a1n. Nh\u01b0 b\u00e0i vi\u1ebft c\u1ee7a Wikipedia v\u1ec1 c\u00e1c lo\u1ea1i fastener<\/a> \u0111\u00e3 \u0111\u1ec1 c\u1eadp, c\u00e1c kho\u1ea3ng c\u00e1ch c\u00f3 ren \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i l\u00e0 ch\u00e8n c\u00f3 ren trong khi ren ch\u1ecbu t\u1ea3i k\u00e9o \u2014 m\u1ed9t ph\u00e2n bi\u1ec7t quan tr\u1ecdng khi t\u00ednh to\u00e1n gi\u00e1 tr\u1ecb r\u00fat ra cho c\u00e1c b\u1ed9 g\u1eafn k\u1ebft an to\u00e0n.<\/p>\n

Ti\u00eau chu\u1ea9n ren ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u1eb7p ph\u1ea3i: M2, M2.5, M3, M4, M5, M6 theo h\u1ec7 m\u00e9t; 4-40, 6-32, 8-32 theo inch.<\/p>\n

Kho\u1ea3ng c\u00e1ch Snap-In \/ Snap-Lock<\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p t\u1eaft nhanh y\u00eau th\u00edch c\u1ee7a c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf PCB cho c\u00e1c thi\u1ebft b\u1ecb ti\u00eau d\u00f9ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. Kho\u1ea3ng c\u00e1ch c\u00f3 c\u00e1c t\u00ednh n\u0103ng snap t\u00edch h\u1ee3p c\u00f3 th\u1ec3 nghe th\u1ea5y ti\u1ebfng click khi c\u1eafm v\u00e0o khe h\u1edf c\u1ee7a khung ho\u1eb7c l\u1ed7 PCB m\u00e0 kh\u00f4ng c\u1ea7n th\u00eam fastener. Th\u1eddi gian l\u1eafp r\u00e1p gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi m\u1ed9t gi\u00e2y cho m\u1ed7i b\u1ed9. Nh\u01b0\u1ee3c \u0111i\u1ec3m: kho\u1ea3ng c\u00e1ch snap-in d\u00f9ng m\u1ed9t l\u1ea7n (th\u00e1o ra th\u01b0\u1eddng l\u00e0m h\u1ecfng t\u00ednh n\u0103ng gi\u1eef) v\u00e0 l\u1ef1c r\u00fat ra th\u1ea5p h\u01a1n c\u00e1c l\u1ef1a ch\u1ecdn c\u00f3 ren. Ph\u00f9 h\u1ee3p cho c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng c\u00f3 tu\u1ed5i th\u1ecd ki\u1ec3m so\u00e1t \u0111\u01b0\u1ee3c; \u00edt ph\u00f9 h\u1ee3p cho thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 s\u1eeda ch\u1eefa t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

Kho\u1ea3ng c\u00e1ch c\u00f3 khe r\u00e3nh v\u00e0 chia \u0111\u00f4i<\/h3>\n

M\u1ed9t khe d\u1ecdc theo chi\u1ec1u d\u00e0i cho ph\u00e9p kho\u1ea3ng c\u00e1ch tr\u01b0\u1ee3t l\u00ean tr\u1ee5c ho\u1eb7c thanh t\u1eeb ph\u00eda b\u00ean \u2014 kh\u00f4ng c\u1ea7n ph\u1ea3i v\u1eb7n qua m\u1ed9t tr\u1ee5c d\u00e0i. Th\u01b0\u1eddng d\u00f9ng trong c\u00e1c b\u1ed9 c\u0103n ch\u1ec9nh tr\u1ee5c, con l\u0103n b\u0103ng chuy\u1ec1n, v\u00e0 qu\u1ea3n l\u00fd d\u00e2y \u0111i\u1ec7n. Khe l\u00e0m gi\u1ea3m s\u1ee9c ch\u1ecbu n\u00e9n kho\u1ea3ng 20\u201330% so v\u1edbi h\u00ecnh tr\u1ee5 k\u00edn c\u00f9ng \u0111\u1ed9 d\u00e0y th\u00e0nh.<\/p>\n

Kho\u1ea3ng c\u00e1ch \u0111\u1ea7u flange<\/h3>\n

M\u1ed9t v\u00f2ng ho\u1eb7c flange \u1edf m\u1ed9t ho\u1eb7c c\u1ea3 hai \u0111\u1ea7u ph\u00e2n ph\u1ed1i t\u1ea3i tr\u1ecdng c\u1ee7a b\u1ea1c \u0111\u1ea1n tr\u00ean di\u1ec7n t\u00edch l\u1edbn h\u01a1n. Khi b\u1ea1n l\u1eafp v\u00e0o m\u1ed9t n\u1ec1n m\u1ec1m \u2014 laminate PCB b\u1eb1ng s\u1ee3i th\u1ee7y tinh, nh\u1ef1a m\u1ecfng, composite l\u00f5i x\u1ed1p \u2014 flange ph\u1eb3ng ng\u0103n ch\u1eb7n kho\u1ea3ng c\u00e1ch b\u1ecb nghi\u1ec1n n\u00e1t v\u1eadt li\u1ec7u d\u01b0\u1edbi l\u1ef1c si\u1ebft bu l\u00f4ng. N\u1ebfu y\u00eau c\u1ea7u l\u1eafp r\u00e1p c\u1ee7a b\u1ea1n cho th\u1ea5y kho\u1ea3ng c\u00e1ch nylon \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o v\u1eadt li\u1ec7u b\u1ea3ng FR4, kho\u1ea3ng c\u00e1ch c\u00f3 flange \u0111\u00e1ng gi\u00e1 v\u1edbi m\u1ee9c gi\u00e1 cao h\u01a1n.<\/p>\n

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C\u00e1c \u1ee9ng d\u1ee5ng ch\u00ednh c\u1ee7a kho\u1ea3ng c\u00e1ch Nylon<\/h2>\n

L\u1eafp \u0111\u1eb7t PCB v\u00e0 \u0111i\u1ec7n t\u1eed<\/h3>\n

\u0110\u00e2y l\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn nh\u1ea5t to\u00e0n c\u1ea7u. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t PCB v\u00e0 c\u00e1c nh\u00e0 l\u1eafp r\u00e1p \u0111i\u1ec7n t\u1eed h\u1ee3p \u0111\u1ed3ng ti\u00eau th\u1ee5 kho\u1ea3ng c\u00e1ch nylon h\u00e0ng tri\u1ec7u chi\u1ebfc m\u1ed7i n\u0103m \u2014 ch\u1ee7 y\u1ebfu l\u00e0 c\u00e1c ch\u00e2n \u0111\u1ebf h\u00ecnh l\u1ee5c gi\u00e1c M3 v\u00e0 M2.5, d\u00e0i 5\u201315 mm, m\u00e0u t\u1ef1 nhi\u00ean (m\u00e0u kem nh\u1ea1t) ho\u1eb7c \u0111en.<\/p>\n

C\u00e1ch \u0111i\u1ec7n \u0111i\u1ec7n kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng trong b\u1ed1i c\u1ea3nh n\u00e0y. N\u1ed1i \u0111\u1ea5t m\u1ed9t PCB tr\u1ef1c ti\u1ebfp v\u00e0o v\u1ecf kim lo\u1ea1i b\u1eb1ng c\u00e1c ch\u00e2n \u0111\u1ee1 kim lo\u1ea1i t\u1ea1o ra m\u1ed9t m\u1ea1ch \u0111\u1ea5t m\u00e0 m\u1ea1ch c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho. C\u00e1c spacers nylon duy tr\u00ec tham chi\u1ebfu \u0111\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ee7a PCB. Trong c\u00e1c thi\u1ebft k\u1ebf RF, \u0111\u1eb7c t\u00ednh \u0111i\u1ec7n m\u00f4i c\u1ee7a spacer c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a anten \u2014 trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u00f3, spacers PTFE ho\u1eb7c polyethylene c\u00f3 th\u1ec3 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nylon.<\/p>\n

Ch\u1ea5n \u0111\u1ed9ng l\u00e0 y\u1ebfu t\u1ed1 kh\u00e1c \u1ea3nh h\u01b0\u1edfng. Ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp gi\u1eefa PCB v\u00e0 v\u1ecf truy\u1ec1n t\u1ea3i rung \u0111\u1ed9ng c\u01a1 h\u1ecdc tr\u1ef1c ti\u1ebfp v\u00e0o c\u00e1c m\u1ed1i h\u00e0n h\u00e0n. C\u00e1c spacers nylon t\u1ea1o ra m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf gi\u1ea3m ch\u1ea5n; quan tr\u1ecdng h\u01a1n, ch\u00fang cho ph\u00e9p PCB u\u1ed1n cong nh\u1eb9 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u1ed1c m\u00e0 kh\u00f4ng truy\u1ec1n to\u00e0n b\u1ed9 \u00e1p l\u1ef1c qua c\u00e1c l\u1ed7 b\u1eaft v\u00edt.<\/p>\n

\u00d4 t\u00f4 v\u00e0 Giao th\u00f4ng v\u1eadn t\u1ea3i<\/h3>\n

C\u00e1c spacers nylon xu\u1ea5t hi\u1ec7n kh\u1eafp n\u01a1i trong vi\u1ec7c g\u1eafn c\u1ea3m bi\u1ebfn xe, qu\u1ea3n l\u00fd d\u00e2y \u0111i\u1ec7n v\u00e0 l\u1eafp r\u00e1p n\u1ed9i th\u1ea5t. C\u00e1c lo\u1ea1i c\u1ea5p \u00f4 t\u00f4 th\u01b0\u1eddng l\u00e0 PA66 ho\u1eb7c PA12 \u0111\u1ec3 ch\u1ed1ng ch\u1ecbu ho\u00e1 ch\u1ea5t v\u1edbi nhi\u00ean li\u1ec7u, d\u1ea7u phanh v\u00e0 dung m\u00f4i l\u00e0m s\u1ea1ch. C\u00e1c th\u00f4ng s\u1ed1 nhi\u1ec7t c\u1ea7n t\u00ednh \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng d\u01b0\u1edbi n\u1eafp m\u00e1y (l\u00ean \u0111\u1ebfn 120\u00b0C li\u00ean t\u1ee5c) c\u1ed9ng v\u1edbi nhi\u1ec7t b\u1ee9c x\u1ea1 t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n l\u00e2n c\u1eadn.<\/p>\n

Ti\u00eau chu\u1ea9n spacer nylon \u00f4 t\u00f4 \u0111i\u1ec3n h\u00ecnh y\u00eau c\u1ea7u x\u1ebfp h\u1ea1ng ch\u1ed1ng ch\u00e1y UL 94 V-2 ho\u1eb7c V-0 \u2014 \u0111i\u1ec1u n\u00e0y c\u1ea7n x\u00e1c nh\u1eadn khi mua ngu\u1ed3n, v\u00ec c\u00e1c spacers th\u01b0\u01a1ng m\u1ea1i c\u01a1 b\u1ea3n th\u01b0\u1eddng kh\u00f4ng c\u00f3 ch\u1ee9ng nh\u1eadn ch\u1ed1ng ch\u00e1y.<\/p>\n

M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p<\/h3>\n

Trong h\u1ec7 th\u1ed1ng b\u0103ng chuy\u1ec1n, l\u1eafp r\u00e1p b\u01a1m v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a nh\u00e0 m\u00e1y, spacers nylon \u0111\u1ea3m nh\u1eadn nhi\u1ec7m v\u1ee5 c\u0103n ch\u1ec9nh v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c b\u1ec1 m\u1eb7t ch\u00ednh x\u00e1c kh\u1ecfi ti\u1ebfp x\u00fac kim lo\u1ea1i v\u1edbi kim lo\u1ea1i. Tr\u1ee5c th\u00e9p ch\u1ea1y qua v\u1ecf nh\u00f4m v\u1edbi spacers nylon nh\u01b0 c\u00e1c th\u00e0nh ph\u1ea7n trung gian ng\u0103n ng\u1eeba \u0103n m\u00f2n galva \u2014 nguy\u00ean nh\u00e2n ch\u00ednh g\u00e2y k\u1eb9t nhanh c\u00e1c \u1ed1c v\u00edt trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p kim lo\u1ea1i h\u1ed7n h\u1ee3p.<\/p>\n

C\u00e1c \u0111\u00e1nh gi\u00e1 t\u1ea3i tr\u1ecdng quan tr\u1ecdng \u1edf \u0111\u00e2y theo c\u00e1ch kh\u00f4ng gi\u1ed1ng nh\u01b0 trong c\u00f4ng vi\u1ec7c \u0111i\u1ec7n t\u1eed nh\u1eb9. M\u1ed9t spacer nylon d\u01b0\u1edbi t\u1ea3i n\u00e9n li\u00ean t\u1ee5c \u1edf nhi\u1ec7t \u0111\u1ed9 cao s\u1ebd b\u1ecb ch\u1ea3y x\u1ec7 \u2014 bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n theo th\u1eddi gian. \u0110\u1ed1i v\u1edbi t\u1ea3i tr\u1ecdng duy tr\u00ec tr\u00ean kho\u1ea3ng 15 MPa v\u00e0 nhi\u1ec7t \u0111\u1ed9 tr\u00ean 80\u00b0C, l\u1ef1a ch\u1ecdn an to\u00e0n k\u1ef9 thu\u1eadt l\u00e0 PA66-GF30 c\u00f3 ch\u1ee9a s\u1ee3i th\u1ee7y tinh ho\u1eb7c chuy\u1ec3n sang spacers nh\u00f4m.<\/p>\n

\u1ee8ng d\u1ee5ng h\u00e0ng h\u1ea3i v\u00e0 ngo\u00e0i tr\u1eddi<\/h3>\n

Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u1ed5n \u0111\u1ecbnh UV c\u1ee7a nylon (khi \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh lo\u1ea1i \u1ed5n \u0111\u1ecbnh UV) l\u00e0m cho n\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c h\u1ed9p \u0111i\u1ec7n ngo\u00e0i tr\u1eddi, \u0111i\u1ec7n t\u1eed h\u00e0ng h\u1ea3i v\u00e0 bi\u1ec3n hi\u1ec7u ngo\u00e0i tr\u1eddi. PA66 t\u1ef1 nhi\u00ean ti\u00eau chu\u1ea9n kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng \u1ed5n \u0111\u1ecbnh UV \u2014 c\u00e1c \u1ee9ng d\u1ee5ng ngo\u00e0i tr\u1eddi y\u00eau c\u1ea7u spacers \u0111en (than ho\u1ea1t t\u00ednh cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng UV) ho\u1eb7c h\u1ee3p ch\u1ea5t \u1ed5n \u0111\u1ecbnh UV r\u00f5 r\u00e0ng.<\/p>\n

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C\u00e1ch ch\u1ecdn spacers nylon ph\u00f9 h\u1ee3p<\/h2>\n

Vi\u1ec7c ch\u1ecdn spacers nylon li\u00ean quan \u0111\u1ebfn n\u0103m tham s\u1ed1. B\u1ecf s\u00f3t b\u1ea5t k\u1ef3 m\u1ed9t trong s\u1ed1 ch\u00fang v\u00e0 b\u1ed9 l\u1eafp r\u00e1p s\u1ebd th\u1ea5t b\u1ea1i ho\u1eb7c tr\u1edf n\u00ean \u0111\u1eaft \u0111\u1ecf kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n

\"\u0111\u1ec7m<\/figure>\n

B\u01b0\u1edbc 1: X\u00e1c \u0111\u1ecbnh \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 (ID)<\/h3>\n

\u0110\u01b0\u1eddng k\u00ednh trong ph\u1ea3i v\u01b0\u1ee3t qua k\u00edch th\u01b0\u1edbc c\u1ee7a \u1ed1c v\u00edt c\u1ee7a b\u1ea1n. \u0110\u1ed1i v\u1edbi bu l\u00f4ng m\u00e9t, c\u1ed9ng th\u00eam 0.2\u20130.3 mm khe h\u1edf: m\u1ed9t bu l\u00f4ng M3 (th\u00e2n 3.0 mm) c\u1ea7n l\u1ed7 3.2\u20133.3 mm. L\u1ed7 nh\u1ecf h\u01a1n s\u1ebd b\u1ecb k\u1eb9t; l\u1ed7 l\u1edbn h\u01a1n cho ph\u00e9p spacer d\u1ecbch chuy\u1ec3n ngang, l\u00e0m gi\u1ea3m \u0111\u1ed9 ch\u00ednh x\u00e1c c\u0103n ch\u1ec9nh.<\/p>\n

\u0110\u1ed1i v\u1edbi spacers c\u00f3 ren, ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c ti\u00eau chu\u1ea9n ren c\u1ee7a b\u1ea1n: M3\u00d70.5 (ti\u00eau chu\u1ea9n m\u00e9t th\u00f4), M3\u00d70.35 (m\u1ecbn), ho\u1eb7c c\u00e1c t\u01b0\u01a1ng \u0111\u01b0\u01a1ng inch. Ren th\u00f4 d\u1ec5 th\u00edch nghi h\u01a1n trong nylon \u2014 ren m\u1ecbn d\u1ec5 b\u1ecb tr\u01b0\u1ee3t h\u01a1n d\u01b0\u1edbi l\u1ef1c si\u1ebft qu\u00e1 m\u1ee9c.<\/p>\n

B\u01b0\u1edbc 2: X\u00e1c \u0111\u1ecbnh \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (OD)<\/h3>\n

OD x\u00e1c \u0111\u1ecbnh di\u1ec7n t\u00edch ti\u1ebfp x\u00fac v\u00e0 kho\u1ea3ng c\u00e1ch t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n l\u00e2n c\u1eadn. OD l\u1edbn h\u01a1n cung c\u1ea5p nhi\u1ec1u di\u1ec7n t\u00edch ti\u1ebfp x\u00fac h\u01a1n cho t\u1ea3i n\u00e9n nh\u01b0ng y\u00eau c\u1ea7u nhi\u1ec1u kho\u1ea3ng tr\u1ed1ng h\u01a1n trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p ch\u1eb7t. H\u01b0\u1edbng d\u1eabn ti\u00eau chu\u1ea9n: OD n\u00ean g\u1ea5p 2\u20133 l\u1ea7n ID cho c\u00e1c spacers c\u1ea5u tr\u00fac; \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng PCB nh\u1eb9, t\u1ef7 l\u1ec7 nh\u1ecf h\u01a1n l\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n

B\u01b0\u1edbc 3: \u0110\u1eb7t chi\u1ec1u d\u00e0i (Chi\u1ec1u cao)<\/h3>\n

\u0110\u1ed9 ch\u00ednh x\u00e1c \u1edf \u0111\u00e2y quan tr\u1ecdng h\u01a1n nhi\u1ec1u so v\u1edbi mong \u0111\u1ee3i c\u1ee7a ng\u01b0\u1eddi mua. M\u1ed9t spacer c\u00f3 chi\u1ec1u cao danh ngh\u0129a 5.00 mm th\u01b0\u1eddng c\u00f3 dung sai \u00b10.1 mm trong s\u1ea3n xu\u1ea5t. Khi b\u1ea1n x\u1ebfp ch\u1ed3ng nhi\u1ec1u spacers \u0111\u1ec3 \u0111\u1ea1t t\u1ed5ng kho\u1ea3ng c\u00e1ch, dung sai c\u1ee7a ch\u00fang nh\u00e2n l\u00ean. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 l\u1eafp r\u00e1p chi\u1ec1u cao ki\u1ec3m so\u00e1t v\u1edbi 3 c\u1ea5p spacer tr\u1edf l\u00ean, h\u00e3y ch\u1ec9 \u0111\u1ecbnh spacers lo\u1ea1i ch\u00ednh x\u00e1c (\u00b10.05 mm) v\u00e0 t\u00ednh to\u00e1n ng\u00e2n s\u00e1ch dung sai trong ph\u00e2n t\u00edch x\u1ebfp ch\u1ed3ng c\u1ee7a b\u1ea1n.<\/p>\n

B\u01b0\u1edbc 4: Ch\u1ecdn lo\u1ea1i v\u1eadt li\u1ec7u<\/h3>\n\n\n\n\n\n\n\n\n\n\n
\u0110i\u1ec1u ki\u1ec7n \u1ee9ng d\u1ee5ng<\/th>\nX\u1ebfp h\u1ea1ng \u0111\u1ec1 xu\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n
\u0110i\u1ec7n t\u1eed trong nh\u00e0, nhi\u1ec7t \u0111\u1ed9 v\u1eeba ph\u1ea3i (<80\u00b0C)<\/td>\nPA66<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c \u0111\u1ed9 \u1ea9m bi\u1ebfn \u0111\u1ed5i<\/td>\nPA66 ho\u1eb7c PA12<\/td>\n<\/tr>\n
Ch\u1ecbu t\u1ea3i, rung \u0111\u1ed9ng cao<\/td>\nPA66-GF30<\/td>\n<\/tr>\n
Ti\u1ebfp x\u00fac h\u00f3a ch\u1ea5t ( nhi\u00ean li\u1ec7u, d\u1ea7u b\u00f4i tr\u01a1n)<\/td>\nPA12<\/td>\n<\/tr>\n
Ngo\u00e0i tr\u1eddi ti\u1ebfp x\u00fac tia UV<\/td>\nPA66 \u0111en (\u1ed5n \u0111\u1ecbnh tia UV)<\/td>\n<\/tr>\n
C\u1ea5u tr\u00fac ch\u1ecbu nhi\u1ec7t cao<\/td>\nXem x\u00e9t nh\u00f4m n\u1ebfu >120\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

B\u01b0\u1edbc 5: X\u00e1c nh\u1eadn c\u00e1c ch\u1ee9ng nh\u1eadn c\u1ea7n thi\u1ebft<\/h3>\n

UL 94 HB \u2014 y\u00eau c\u1ea7u ch\u00e1y ngang c\u01a1 b\u1ea3n, t\u1ed1i thi\u1ec3u cho h\u1ea7u h\u1ebft \u0111i\u1ec7n t\u1eed.<\/p>\n

UL 94 V-0 \u2014 t\u1ef1 d\u1eadp t\u1eaft trong v\u00f2ng 10 gi\u00e2y, y\u00eau c\u1ea7u cho nhi\u1ec1u \u1ee9ng d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch.<\/p>\n

\u0110\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n RoHS \u2014 y\u00eau c\u1ea7u cho \u0111i\u1ec7n t\u1eed th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n

\u0110\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n REACH \u2014 y\u00eau c\u1ea7u cho khai b\u00e1o v\u1eadt li\u1ec7u t\u1ea1i th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n

H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 ph\u1eadn c\u00e1ch nhi\u1ec7t nylon th\u01b0\u01a1ng ph\u1ea9m \u0111\u1ec1u \u0111\u1ea1t UL 94 HB t\u1ed1i thi\u1ec3u. N\u1ebfu c\u1ea7n V-0, l\u1ea5y t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p c\u00f3 c\u00f4ng b\u1ed1 danh s\u00e1ch UL Yellow Card \u2014 ch\u1ee9ng nh\u1eadn n\u00e0y bao g\u1ed3m c\u00e1c s\u1ed1 l\u00f4 c\u1ee5 th\u1ec3 v\u00e0 c\u00e1c c\u01a1 s\u1edf s\u1ea3n xu\u1ea5t, kh\u00f4ng ch\u1ec9 v\u1eadt li\u1ec7u n\u00f3i chung.<\/p>\n

Nh\u1eefng l\u1ed7i k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/h3>\n

V\u1eb7n qu\u00e1 ch\u1eb7t c\u00e1c b\u1ed9 ph\u1eadn nylon c\u00f3 ren.<\/strong> Ch\u1ec9 nylon b\u1ecb tr\u00f3c \u1edf kho\u1ea3ng 30\u201350% l\u1ef1c m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft cho c\u00e1c ren th\u00e9p t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. Nylon M3: t\u1ed1i \u0111a 0.3\u20130.4 N\u00b7m. Nylon M4: t\u1ed1i \u0111a 0.8\u20131.0 N\u00b7m. S\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 m\u00f4-men xo\u1eafn ho\u1eb7c tua v\u00edt \u0111i\u1ec7n hi\u1ec7u chu\u1ea9n cho c\u00e1c l\u1eafp r\u00e1p s\u1ea3n xu\u1ea5t.<\/p>\n

B\u1ecf qua \u1ea3nh h\u01b0\u1edfng c\u1ee7a \u0111\u1ed9 \u1ea9m \u0111\u1ebfn chi\u1ec1u d\u00e0i.<\/strong> PA66 c\u00f3 th\u1ec3 d\u00e0i ra 0.2\u20130.5% so v\u1edbi chi\u1ec1u d\u00e0i kh\u00f4 khi ho\u00e0n to\u00e0n b\u00e3o h\u00f2a. Trong m\u1ed9t kho\u1ea3ng c\u00e1ch 20 mm, \u0111i\u1ec1u \u0111\u00f3 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 0.04\u20130.1 mm \u2014 kh\u00f4ng \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c c\u00f4ng vi\u1ec7c, nh\u01b0ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 g\u00e1 quang h\u1ecdc ch\u00ednh x\u00e1c ho\u1eb7c c\u1ea3m bi\u1ebfn.<\/p>\n

K\u1ebft h\u1ee3p c\u00e1c h\u1ec7 m\u00e9t v\u00e0 inch trong l\u1ed7 khoan.<\/strong> \u1ed0c v\u00edt M3 (3.00 mm) v\u00e0 l\u1ed7 khoan 1\/8 inch (3.175 mm) g\u1ea7n nhau nh\u01b0ng kh\u00f4ng th\u1ec3 thay th\u1ebf m\u00e0 kh\u00f4ng g\u00e2y l\u1ecfng l\u1ebbo. X\u00e1c nh\u1eadn h\u1ec7 th\u1ed1ng l\u1ed7 khoan ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n v\u00edt c\u1ee7a b\u1ea1n.<\/p>\n

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B\u1ea3ng Tham Kh\u1ea3o K\u00edch Th\u01b0\u1edbc Kho\u1ea3ng C\u00e1ch Nylon<\/h2>\n

Kho\u1ea3ng C\u00e1ch Nylon Ti\u00eau Chu\u1ea9n \u2014 K\u00edch Th\u01b0\u1edbc Ph\u1ed5 Bi\u1ebfn<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Ren \/ L\u1ed7 khoan<\/th>\n\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (mm)<\/th>\nChi\u1ec1u d\u00e0i ph\u1ed5 bi\u1ebfn (mm)<\/th>\nS\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n
M2 \/ l\u1ed7 khoan 2.2<\/td>\n4.0<\/td>\n3, 4, 5, 6, 8<\/td>\n\u0110i\u1ec7n t\u1eed mini, thi\u1ebft b\u1ecb \u0111eo<\/td>\n<\/tr>\n
M2.5 \/ l\u1ed7 khoan 2.7<\/td>\n5.0<\/td>\n4, 5, 6, 8, 10<\/td>\nB\u1ea3ng m\u1ea1ch nh\u1ecf, c\u1ea3m bi\u1ebfn<\/td>\n<\/tr>\n
M3 \/ l\u1ed7 khoan 3.2<\/td>\n6.0\u20138.0<\/td>\n5, 6, 8, 10, 12, 15, 20<\/td>\nL\u1eafp \u0111\u1eb7t PCB ti\u00eau chu\u1ea9n, \u0111i\u1ec7n t\u1eed<\/td>\n<\/tr>\n
M4 \/ l\u1ed7 khoan 4.3<\/td>\n8.0\u201310.0<\/td>\n6, 8, 10, 12, 15, 20, 25<\/td>\nC\u01a1 kh\u00ed t\u1ea3i trung b\u00ecnh, ch\u00e2n \u0111\u1ebf r\u01a1 le<\/td>\n<\/tr>\n
M5 \/ 5.3 \u0111\u01b0\u1eddng k\u00ednh<\/td>\n10.0\u201312.0<\/td>\n8, 10, 12, 15, 20, 25, 30<\/td>\nM\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, k\u1ebft c\u1ea5u<\/td>\n<\/tr>\n
M6 \/ 6.4 \u0111\u01b0\u1eddng k\u00ednh<\/td>\n12.0\u201314.0<\/td>\n10, 12, 15, 20, 25, 30, 40<\/td>\nK\u1ebft c\u1ea5u n\u1eb7ng, h\u01b0\u1edbng d\u1eabn b\u0103ng t\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kho\u1ea3ng c\u00e1ch Nylon Inch \u2014 C\u00e1c k\u00edch th\u01b0\u1edbc ph\u1ed5 bi\u1ebfn<\/h3>\n\n\n\n\n\n\n\n\n\n
\u0110\u01b0\u1eddng k\u00ednh l\u1ed7 (in.)<\/th>\n\u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i (in.)<\/th>\nChi\u1ec1u d\u00e0i ph\u1ed5 bi\u1ebfn (in.)<\/th>\nT\u01b0\u01a1ng \u0111\u01b0\u01a1ng ren<\/th>\n<\/tr>\n<\/thead>\n
0.140<\/td>\n0.250<\/td>\n1\/8, 3\/16, 1\/4, 5\/16, 3\/8, 1\/2<\/td>\nKho\u1ea3ng c\u00e1ch #6<\/td>\n<\/tr>\n
0.168<\/td>\n0.312<\/td>\n3\/16, 1\/4, 3\/8, 1\/2, 5\/8, 3\/4<\/td>\nKho\u1ea3ng c\u00e1ch #8<\/td>\n<\/tr>\n
0.201<\/td>\n0.375<\/td>\n1\/4, 3\/8, 1\/2, 5\/8, 3\/4, 1<\/td>\nKho\u1ea3ng c\u00e1ch #10<\/td>\n<\/tr>\n
0.257<\/td>\n0.500<\/td>\n3\/8, 1\/2, 5\/8, 3\/4, 1, 1.5<\/td>\nKho\u1ea3ng c\u00e1ch 1\/4-20<\/td>\n<\/tr>\n
0.323<\/td>\n0.625<\/td>\n1\/2, 3\/4, 1, 1.5, 2<\/td>\nKho\u1ea3ng c\u00e1ch 5\/16-18<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
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C\u1eaft v\u00e0 ch\u1ec9nh s\u1eeda Kho\u1ea3ng c\u00e1ch Nylon<\/h2>\n

M\u1ed9t trong nh\u1eefng l\u1ee3i \u00edch \u00edt \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao c\u1ee7a khoang c\u00e1ch nylon: ch\u00fang d\u1ec5 gia c\u00f4ng b\u1eb1ng c\u00e1c d\u1ee5ng c\u1ee5 ch\u1ebf bi\u1ebfn g\u1ed7 v\u00e0 kim lo\u1ea1i ti\u00eau chu\u1ea9n.<\/p>\n

C\u1eaft theo chi\u1ec1u d\u00e0i:<\/strong> C\u01b0a tay r\u0103ng m\u1ecbn (32 TPI) ho\u1eb7c c\u01b0a g\u00f3c v\u1edbi l\u01b0\u1ee1i c\u01b0a cacbide m\u1ecbn c\u1eaft nylon m\u1ed9t c\u00e1ch s\u1ea1ch s\u1ebd. \u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c ch\u00ednh x\u00e1c, m\u00e1y ti\u1ec7n cho k\u1ebft qu\u1ea3 m\u1eb7t ph\u1eb3ng t\u1ed1t nh\u1ea5t. M\u00e0i nh\u1eb5n c\u00e1c \u0111\u1ea7u c\u1eaft b\u1eb1ng gi\u1ea5y nh\u00e1m 400 grit \u2014 m\u1ed9t v\u1ebft s\u1eebng tr\u00ean m\u1eb7t s\u1ebd t\u1ea1o ra khe g\u00f3c trong l\u1eafp r\u00e1p.<\/p>\n

Khoan:<\/strong> Nylon d\u1ec5 khoan b\u1eb1ng c\u00e1c m\u0169i khoan xo\u1eafn HSS ti\u00eau chu\u1ea9n. S\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 c\u1ea5p li\u1ec7u ch\u1eadm v\u00e0 v\u00f2ng quay cao \u0111\u1ec3 tr\u00e1nh melting thay v\u00ec c\u1eaft. Kh\u00f4ng c\u1ea7n dung d\u1ecbch c\u1eaft; khoan kh\u00f4 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t cho nylon. Nh\u01b0 b\u00e0i vi\u1ebft Wikipedia v\u1ec1 gia c\u00f4ng nh\u1ef1a<\/a> \u0111\u00e3 l\u01b0u \u00fd, c\u00e1c polymer nhi\u1ec7t d\u1ebbo nh\u01b0 nylon ph\u1ea3i \u0111\u01b0\u1ee3c gi\u1eef m\u00e1t trong qu\u00e1 tr\u00ecnh gia c\u00f4ng \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng k\u00ednh h\u00f3a, l\u00e0m c\u1ee9ng b\u1ec1 m\u1eb7t v\u00e0 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng ren.<\/p>\n

Khoan ren:<\/strong> S\u1eed d\u1ee5ng m\u0169i khoan l\u1ed7 v\u1edbi ph\u1ea7n l\u01b0ng tho\u1ea3i m\u00e1i. C\u1eaft ren, kh\u00f4ng ph\u1ea3i d\u1ea1ng ren cu\u1ed9n, ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n trong nylon \u2014 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i th\u1ea5p c\u1ee7a nylon c\u00f3 ngh\u0129a l\u00e0 ren cu\u1ed9n d\u1ec5 b\u1ecb tr\u01b0\u1ee3t trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p. Kh\u00f4ng s\u1eed d\u1ee5ng d\u1ea7u c\u1eaft; khoan kh\u00f4 cho ch\u1ea5t l\u01b0\u1ee3ng ren t\u1ed1t h\u01a1n trong nylon.<\/p>\n

Khoan l\u1ed7 b\u00f9:<\/strong> Khi c\u1ea7n \u0111\u1ea7u v\u00edt ph\u1eb3ng ho\u1eb7c l\u1ed3i, khoan l\u1ed7 b\u00f9 nylon b\u1eb1ng m\u0169i khoan \u0111\u1ea7u ti\u00eau chu\u1ea9n ho\u1eb7c m\u0169i khoan \u0111\u1eb7t tr\u00ean m\u00e1y khoan b\u00e0n. Gi\u1eef cho ph\u1ea7n chuy\u1ec3n ti\u1ebfp vai s\u1eafc n\u00e9t \u2014 b\u00e1n k\u00ednh v\u00e0o tr\u00f2n s\u1ebd khi\u1ebfn \u0111\u1ea7u v\u00edt b\u1ecb l\u1eafc ch\u1ee9 kh\u00f4ng ng\u1ed3i ph\u1eb3ng.<\/p>\n

Chi\u1ec1u d\u00e0i t\u00f9y ch\u1ec9nh:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c l\u00f4 m\u1eabu, th\u01b0\u1eddng nhanh h\u01a1n \u0111\u1eb7t mua thanh nh\u1ef1a nylon d\u00e0i ti\u00eau chu\u1ea9n v\u00e0 c\u1eaft th\u00e0nh c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a ri\u00eang b\u1ea1n h\u01a1n l\u00e0 t\u00ecm ngu\u1ed3n c\u00e1c b\u1ed9 ph\u1eadn chi\u1ec1u d\u00e0i t\u00f9y ch\u1ec9nh. Th\u00e2n \u1ed1ng c\u00f3 l\u1ed7 M3 trong PA66 c\u00f3 s\u1eb5n v\u1edbi chi\u1ec1u d\u00e0i 500 mm v\u00e0 1000 mm t\u1eeb h\u1ea7u h\u1ebft c\u00e1c nh\u00e0 cung c\u1ea5p nh\u1ef1a c\u00f4ng nghi\u1ec7p.<\/p>\n

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Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong c\u00f4ng ngh\u1ec7 spacer nylon<\/h2>\n

Polyamide d\u1ef1a tr\u00ean sinh h\u1ecdc v\u00e0 t\u00e1i ch\u1ebf<\/h3>\n

Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1ed1c v\u00edt \u0111ang theo d\u00f5i m\u1ed9t s\u1ef1 chuy\u1ec3n \u0111\u1ed5i l\u1edbn v\u1ec1 v\u1eadt li\u1ec7u: nylon d\u1ef1a tr\u00ean sinh h\u1ecdc chi\u1ebft xu\u1ea5t t\u1eeb d\u1ea7u castor (PA610, PA1010) hi\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a PA66 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng \u0111\u1ed3ng th\u1eddi gi\u1ea3m d\u1ea5u ch\u00e2n carbon l\u00ean t\u1edbi 50% so v\u1edbi PA66 ngu\u1ed3n g\u1ed1c t\u1eeb d\u1ea7u m\u1ecf. Theo nghi\u00ean c\u1ee9u v\u1eadt li\u1ec7u k\u1ef9 thu\u1eadt c\u1ee7a Arkema<\/a>, vi\u1ec7c s\u1eed d\u1ee5ng polyamide d\u1ef1a tr\u00ean sinh h\u1ecdc trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 \u0111i\u1ec7n t\u1eed \u0111\u00e3 t\u0103ng tr\u01b0\u1edfng kho\u1ea3ng 18% m\u1ed7i n\u0103m t\u1eeb 2022 \u0111\u1ebfn 2025, do c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1ec1n v\u1eefng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c (OEM).<\/p>\n

\u0110\u1ed1i v\u1edbi spacer nylon, \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng nh\u1ea5t trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng \u2014 c\u00e1c ng\u00e0nh m\u00e0 m\u00e3 quy t\u1eafc \u0111\u1ea1o \u0111\u1ee9c c\u1ee7a nh\u00e0 cung c\u1ea5p OEM ng\u00e0y c\u00e0ng y\u00eau c\u1ea7u c\u00e1c tuy\u00ean b\u1ed1 v\u1ec1 m\u00f4i tr\u01b0\u1eddng. D\u1ef1 ki\u1ebfn spacer nylon d\u1ef1a tr\u00ean sinh h\u1ecdc s\u1ebd tr\u1edf th\u00e0nh m\u1eb7t h\u00e0ng ti\u00eau chu\u1ea9n trong danh m\u1ee5c c\u1ee7a c\u00e1c nh\u00e0 ph\u00e2n ph\u1ed1i l\u1edbn trong v\u00f2ng 2\u20133 n\u0103m t\u1edbi.<\/p>\n

Nylon d\u1eabn \u0111i\u1ec7n:<\/h3>\n

Khi thi\u1ec7t h\u1ea1i do ph\u00f3ng \u0111i\u1ec7n t\u0129nh (ESD) ng\u00e0y c\u00e0ng tr\u1edf th\u00e0nh m\u1ed1i quan t\u00e2m trong s\u1ea3n xu\u1ea5t \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m, c\u00e1c spacer nylon d\u1eabn \u0111i\u1ec7n \u2014 pha tr\u1ed9n v\u1edbi carbon \u0111en ho\u1eb7c graphene \u0111\u1ec3 \u0111\u1ea1t \u0111i\u1ec7n tr\u1edf b\u1ec1 m\u1eb7t t\u1eeb 10\u2076\u201310\u2079 \u03a9 \u2014 \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng. Nylon ti\u00eau chu\u1ea9n l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n (>10\u00b9\u00b2 \u03a9) v\u00e0 c\u00f3 th\u1ec3 t\u00edch t\u1ee5 \u0111i\u1ec7n t\u00edch t\u0129nh trong m\u00f4i tr\u01b0\u1eddng l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng. C\u00e1c spacer an to\u00e0n ESD lo\u1ea1i b\u1ecf r\u1ee7i ro n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n d\u1eabn \u0111i\u1ec7n ho\u00e0n to\u00e0n nh\u01b0 kim lo\u1ea1i.<\/p>\n

Spacer t\u00f9y ch\u1ec9nh in 3D:<\/h3>\n

\u0110\u1ed1i v\u1edbi c\u00e1c nguy\u00ean m\u1eabu v\u00e0 l\u1eafp r\u00e1p t\u00f9y ch\u1ec9nh s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf, spacer nylon in b\u1eb1ng FDM (PA12 trong SLS, Nylon X trong FDM) hi\u1ec7n \u0111\u1ea1t \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b10.2 mm \u2014 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00f4ng y\u00eau c\u1ea7u cao. Kinh t\u1ebf r\u1ea5t h\u1ea5p d\u1eabn cho c\u00e1c l\u00f4 h\u00e0ng t\u1eeb 1\u2013100 chi\u1ebfc v\u1edbi k\u00edch th\u01b0\u1edbc \u0111\u1eb7c bi\u1ec7t. C\u00e1c kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t tr\u00ean 500 chi\u1ebfc v\u1eabn \u01b0u ti\u00ean \u0111\u00fac nh\u1ef1a ho\u1eb7c gia c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o chi ph\u00ed v\u00e0 \u0111\u1ed9 nh\u1ea5t qu\u00e1n. H\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt c\u1ee7a MakerBot Industries<\/a> \u01b0\u1edbc t\u00ednh chi ph\u00ed in \u1ea5n cho m\u1ed9t b\u1ed9 c\u00e1ch nhi\u1ec7t nylon M3\u00d710 mm ti\u00eau chu\u1ea9n kho\u1ea3ng $0.12 m\u1ed7i chi\u1ebfc v\u1edbi s\u1ed1 l\u01b0\u1ee3ng 100 chi\u1ebfc so v\u1edbi $0.02\u20130.04 t\u1eeb s\u1ea3n xu\u1ea5t t\u1ed3n kho.<\/p>\n

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C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 V\u00edt nylon<\/h2>\n

V\u1eadt li\u1ec7u n\u00e0o t\u1ed1t nh\u1ea5t cho c\u00e1c b\u1ed9 c\u00e1ch nhi\u1ec7t?<\/strong><\/p>\n

Nylon (PA66) l\u00e0 t\u1ed1t nh\u1ea5t cho h\u1ea7u h\u1ebft c\u00e1c b\u1ed9 l\u1eafp r\u00e1p \u0111i\u1ec7n v\u00e0 \u0111a d\u1ee5ng nh\u1edd kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 chi ph\u00ed th\u1ea5p. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c t\u1ea3i tr\u1ecdng l\u1edbn, s\u1eed d\u1ee5ng nh\u00f4m ho\u1eb7c nylon ch\u1ee9a s\u1ee3i th\u1ee7y tinh. Trong m\u00f4i tr\u01b0\u1eddng ho\u00e1 ch\u1ea5t, PA12 v\u01b0\u1ee3t tr\u1ed9i h\u01a1n PA66 ti\u00eau chu\u1ea9n.<\/p>\n

L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1eaft v\u00edt nylon th\u00e0nh chi\u1ec1u d\u00e0i t\u00f9y ch\u1ec9nh?<\/strong><\/p>\n

S\u1eed d\u1ee5ng dao c\u01b0a r\u0103ng nh\u1ecf (32 TPI) ho\u1eb7c m\u00e1y ti\u1ec7n \u0111\u1ec3 c\u1eaft ch\u00ednh x\u00e1c. \u0110\u1ea3m b\u1ea3o c\u1ed1 \u0111\u1ecbnh v\u00edt ch\u1eafc ch\u1eafn, c\u1eaft ch\u1eadm \u0111\u1ec3 tr\u00e1nh n\u1ee9t v\u1ee1, sau \u0111\u00f3 m\u00e0i c\u1ea1nh b\u1eb1ng gi\u1ea5y nh\u00e1m 400 grit. Tr\u00e1nh d\u00f9ng m\u00e1y m\u00e0i g\u00f3c t\u1ed1c \u0111\u1ed9 cao \u2014 ch\u00fang t\u1ea1o ra nhi\u1ec7t \u0111\u1ee7 \u0111\u1ec3 l\u00e0m ch\u1ea3y nylon t\u1ea1i m\u1eb7t c\u1eaft.<\/p>\n

Nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 v\u00edt nylon c\u00f3 th\u1ec3 ch\u1ecbu l\u00e0 bao nhi\u00eau?<\/strong><\/p>\n

V\u00edt nylon PA66 ti\u00eau chu\u1ea9n ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 d\u1ecbch v\u1ee5 li\u00ean t\u1ee5c l\u00ean \u0111\u1ebfn 110\u2013120\u00b0C. Trong th\u1eddi gian ng\u1eafn, nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec9nh c\u00f3 th\u1ec3 l\u00ean t\u1edbi 150\u00b0C. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao k\u00e9o d\u00e0i, s\u1eed d\u1ee5ng nylon ch\u1ee9a s\u1ee3i th\u1ee7y tinh PA66-GF30 (\u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng \u0111\u1ebfn 130\u00b0C li\u00ean t\u1ee5c) ho\u1eb7c chuy\u1ec3n sang v\u00edt kim lo\u1ea1i.<\/p>\n

V\u00edt nylon c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi kh\u00f4ng?<\/strong><\/p>\n

C\u00f3, nh\u01b0ng c\u1ea7n ch\u1ec9 r\u00f5 lo\u1ea1i \u0111en (ch\u1ee9a than carbon) ho\u1eb7c lo\u1ea1i \u1ed5n \u0111\u1ecbnh UV. Nylon t\u1ef1 nhi\u00ean m\u00e0u tr\u1eafng ng\u00e0 s\u1ebd b\u1ecb ph\u00e2n hu\u1ef7 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a UV trong v\u00f2ng 6\u201318 th\u00e1ng, tr\u1edf n\u00ean gi\u00f2n v\u00e0 m\u1ea5t \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc. V\u00edt nylon \u0111en s\u1eed d\u1ee5ng than carbon nh\u01b0 ch\u1ea5t h\u1ea5p th\u1ee5 UV v\u00e0 duy tr\u00ec \u1ed5n \u0111\u1ecbnh trong 5\u201310 n\u0103m ho\u1eb7c h\u01a1n khi s\u1eed d\u1ee5ng ngo\u00e0i tr\u1eddi.<\/p>\n

S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa v\u00edt nylon v\u00e0 ch\u00e2n \u0111\u1ebf nylon l\u00e0 g\u00ec?<\/strong><\/p>\n

V\u00edt l\u00e0 h\u00ecnh tr\u1ee5 \u0111\u01a1n gi\u1ea3n \u2014 kh\u00f4ng c\u00f3 kh\u1ea3 n\u0103ng b\u1eaft ren ngo\u00e0i m\u1ed9t l\u1ed7 tr\u1ed1ng. Ch\u00e2n \u0111\u1ebf c\u00f3 \u0111\u1ea7u ren (nam, n\u1eef ho\u1eb7c c\u1ea3 hai) cho ph\u00e9p v\u1eeba t\u1ea1o kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n v\u1eeba c\u1ed1 \u0111\u1ecbnh ch\u00fang. Trong s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng, c\u00e1c thu\u1eadt ng\u1eef n\u00e0y ch\u1ed3ng ch\u00e9o; v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, ch\u00e2n \u0111\u1ebf l\u00e0 m\u1ed9t d\u1ea1ng v\u00edt c\u00f3 ren.<\/p>\n

V\u00edt nylon c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4-men xo\u1eafn bao nhi\u00eau?<\/strong><\/p>\n

V\u00edt nylon c\u00f3 ren c\u00f3 gi\u1edbi h\u1ea1n m\u00f4-men xo\u1eafn th\u1ea5p h\u01a1n nhi\u1ec1u so v\u1edbi kim lo\u1ea1i: ren M3 c\u1ee7a nylon n\u00ean kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 0.3\u20130.4 N\u00b7m, M4 kho\u1ea3ng 0.8\u20131.0 N\u00b7m. V\u01b0\u1ee3t qu\u00e1 c\u00e1c gi\u00e1 tr\u1ecb n\u00e0y s\u1ebd l\u00e0m tr\u01b0\u1ee3t ren m\u00e0 kh\u00f4ng c\u1ea3nh b\u00e1o tr\u01b0\u1edbc. Lu\u00f4n s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 \u0111o m\u00f4-men xo\u1eafn trong s\u1ea3n xu\u1ea5t \u2014 c\u1ea3m gi\u00e1c si\u1ebft tay qu\u00e1 nhi\u1ec1u s\u1ebd g\u00e2y ra sai l\u1ec7ch.<\/p>\n

V\u00edt nylon c\u00f3 d\u1eabn \u0111i\u1ec7n kh\u00f4ng?<\/strong><\/p>\n

Nylon ti\u00eau chu\u1ea9n l\u00e0 ch\u1ea5t c\u00e1ch \u0111i\u1ec7n tuy\u1ec7t v\u1eddi v\u1edbi \u0111i\u1ec7n tr\u1edf th\u1ec3 t\u00edch tr\u00ean 10\u00b9\u00b2 \u03a9\u00b7cm \u2014 n\u00f3 s\u1ebd kh\u00f4ng d\u1eabn \u0111i\u1ec7n trong m\u00f4i tr\u01b0\u1eddng l\u1eafp r\u00e1p b\u00ecnh th\u01b0\u1eddng. C\u00e1c lo\u1ea1i nylon ch\u1ed1ng t\u0129nh \u0111i\u1ec7n v\u00e0 d\u1eabn \u0111i\u1ec7n c\u00f3 s\u1eb5n cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ed1ng t\u0129nh \u0111i\u1ec7n nh\u01b0ng c\u00f3 \u0111\u1eb7c t\u00ednh kh\u00e1c nhau; x\u00e1c nh\u1eadn lo\u1ea1i tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng.<\/p>\n

C\u00e1c k\u00edch th\u01b0\u1edbc v\u00edt nylon ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c l\u01b0u kho l\u00e0 g\u00ec?<\/strong><\/p>\n

V\u00edt hex v\u00e0 tr\u00f2n M3, M4, M5 d\u00e0i t\u1eeb 5\u201320 mm ph\u00f9 h\u1ee3p v\u1edbi kho\u1ea3ng 80% \u1ee9ng d\u1ee5ng PCB v\u00e0 \u0111i\u1ec7n t\u1eed. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng theo h\u1ec7 inch, c\u00e1c l\u1ed7 tr\u1ed1ng #6, #8, #10 trong kho\u1ea3ng 1\/4 \u0111\u1ebfn 3\/4 inch l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t. C\u00e1c lo\u1ea1i v\u00edt kh\u00f4ng ti\u00eau chu\u1ea9n v\u00e0 v\u00edt c\u00f3 l\u1ed7 l\u1edbn th\u01b0\u1eddng c\u1ea7n th\u1eddi gian giao h\u00e0ng t\u1eeb 2\u20134 tu\u1ea7n t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p ph\u1ee5 ki\u1ec7n \u0111\u1eb7c bi\u1ec7t.<\/p>\n

\"\u0111\u1ec7m<\/figure>\n
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K\u1ebft lu\u1eadn<\/h2>\n

V\u00edt nylon gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u1ee5 th\u1ec3 v\u00e0 quan tr\u1ecdng: t\u1ea1o ra kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c, c\u00e1ch \u0111i\u1ec7n, kh\u00f4ng b\u1ecb \u0103n m\u00f2n gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n trong c\u00e1c b\u1ed9 l\u1eafp r\u00e1p m\u00e0 kim lo\u1ea1i c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 ti\u1ebfp \u0111\u1ea5t, \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a ho\u1eb7c tr\u1ecdng l\u01b0\u1ee3ng. C\u00e1c lo\u1ea1i \u2014 tr\u00f2n, hex, c\u00f3 ren, nh\u1ea5n v\u00e0o, c\u00f3 flange \u2014 ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c h\u00ecnh d\u1ea1ng l\u1eafp r\u00e1p b\u1ea1n s\u1ebd g\u1eb7p ph\u1ea3i.<\/p>\n

Quy tr\u00ecnh l\u1ef1a ch\u1ecdn r\u1ea5t \u0111\u01a1n gi\u1ea3n khi b\u1ea1n bi\u1ebft n\u0103m tham s\u1ed1 quy\u1ebft \u0111\u1ecbnh: \u0111\u01b0\u1eddng k\u00ednh l\u1ed7, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i, chi\u1ec1u d\u00e0i, c\u1ea5p \u0111\u1ed9 v\u1eadt li\u1ec7u v\u00e0 b\u1ea5t k\u1ef3 y\u00eau c\u1ea7u ch\u1ee9ng nh\u1eadn n\u00e0o. H\u1ea7u h\u1ebft c\u00e1c th\u1ea5t b\u1ea1i trong mua h\u00e0ng xu\u1ea5t ph\u00e1t t\u1eeb vi\u1ec7c kh\u00f4ng x\u00e1c \u0111\u1ecbnh r\u00f5 c\u1ea5p \u0111\u1ed9 (PA6 thay v\u00ec PA66 trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt), si\u1ebft qu\u00e1 ch\u1eb7t c\u00e1c ren, ho\u1eb7c b\u1ecf qua \u0111\u1ed9 nh\u1ea1y UV c\u1ee7a nylon t\u1ef1 nhi\u00ean ngo\u00e0i tr\u1eddi.<\/p>\n

\u0110\u1ed1i v\u1edbi kh\u00e1ch h\u00e0ng c\u1ee7a productionscrews.com mua s\u1ed1 l\u01b0\u1ee3ng \u0111\u1ec7m nylon, c\u00e1c c\u00e2u h\u1ecfi ch\u00ednh c\u1ee7a nh\u00e0 cung c\u1ea5p l\u00e0: Lo\u1ea1i nylon n\u00e0o? \u0110\u00e1nh gi\u00e1 UL 94 n\u00e0o? \u0110\u1ed9 dung sai chi\u1ec1u d\u00e0i l\u00e0 bao nhi\u00eau? M\u1ed9t nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi t\u1ea5t c\u1ea3 ba c\u00e2u h\u1ecfi n\u00e0y m\u00e0 kh\u00f4ng c\u1ea7n h\u1ecfi k\u1ef9 thu\u1eadt l\u00e0 nh\u00e0 cung c\u1ea5p \u0111\u00e1ng \u0111\u1ec3 xem x\u00e9t.<\/p>\n

Duy\u1ec7t qua to\u00e0n b\u1ed9 d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u1ec7m nylon v\u00e0 ch\u00e2n \u0111\u1ee1 c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i productionscrews.com<\/a> \u2014 c\u00f3 s\u1eb5n theo k\u00edch th\u01b0\u1edbc m\u00e9t v\u00e0 inch, v\u1edbi chi\u1ec1u d\u00e0i t\u00f9y ch\u1ec9nh v\u00e0 gi\u00e1 s\u1ec9 theo y\u00eau c\u1ea7u.<\/p>","protected":false},"excerpt":{"rendered":"

H\u01b0\u1edbng D\u1eabn K\u1ef9 Thu\u1eadt To\u00e0n Di\u1ec7n V\u1ec1 V\u1eadt T\u01b0 Nylon Bao G\u1ed3m C\u00e1c Lo\u1ea1i Ch\u1ea5t Li\u1ec7u (PA6, PA66, T\u0103ng C\u01b0\u1eddng Th\u1ee7y Tinh), C\u00e1c Lo\u1ea1i (Hex, Tr\u00f2n, Ren, Snap-in), L\u1ef1a Ch\u1ecdn K\u00edch Th\u01b0\u1edbc, \u1ee8ng D\u1ee5ng Trong L\u1eafp R\u00e1p PCB, \u00d4 T\u00f4 V\u00e0 C\u00f4ng Nghi\u1ec7p, C\u00f9ng V\u1edbi M\u1eb9o C\u1eaft, Ch\u1ec9nh S\u1eeda V\u00e0 Ngu\u1ed3n Cung C\u1ea5p<\/p>","protected":false},"author":1,"featured_media":3631,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3635","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\/3635","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=3635"}],"version-history":[{"count":1,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3635\/revisions"}],"predecessor-version":[{"id":3636,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/posts\/3635\/revisions\/3636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media\/3631"}],"wp:attachment":[{"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/media?parent=3635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/categories?post=3635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/productionscrews.com\/vi\/wp-json\/wp\/v2\/tags?post=3635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}