{"id":5896,"date":"2025-12-26T01:13:47","date_gmt":"2025-12-26T01:13:47","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5896"},"modified":"2025-12-26T01:13:47","modified_gmt":"2025-12-26T01:13:47","slug":"clinch-nut-installation-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/clinch-nut-installation-guide\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t \u0111ai \u1ed1c Clinch"},"content":{"rendered":"<h2 dir=\"auto\">Gi\u1edbi thi\u1ec7u v\u1ec1 \u0111ai \u1ed1c Clinch<\/h2>\n<p dir=\"auto\">\u0110ai \u1ed1c t\u1ef1 si\u1ebft, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111ai \u1ed1c \u00e9p ho\u1eb7c \u0111ai \u1ed1c t\u1ef1 si\u1ebft, l\u00e0 lo\u1ea1i \u1ed1c v\u00edt chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 l\u1eafp \u0111\u1eb7t v\u0129nh vi\u1ec5n v\u00e0o c\u00e1c t\u1ea5m kim lo\u1ea1i m\u1ecfng, t\u1ea1o ra c\u00e1c m\u1ed1i n\u1ed1i ren ch\u1eafc ch\u1eafn, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng m\u00e0 kh\u00f4ng c\u1ea7n h\u00e0n ho\u1eb7c c\u00e1c ph\u1ee5 ki\u1ec7n b\u1ed5 sung. Lo\u1ea1i \u0111ai \u1ed1c n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u0111i\u1ec7n t\u1eed, \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb gia d\u1ee5ng, n\u01a1i vi\u1ec7c t\u1ea1o ren ch\u00ednh x\u00e1c trong c\u00e1c v\u1eadt li\u1ec7u m\u1ecfng l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft. Qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t bao g\u1ed3m vi\u1ec7c \u00e9p \u0111ai \u1ed1c v\u00e0o m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ee5c s\u1eb5n, trong \u0111\u00f3 ph\u1ea7n th\u00e2n c\u00f3 r\u0103ng c\u01b0a ho\u1eb7c kh\u00eda c\u1ee7a n\u00f3 s\u1ebd l\u00e0m bi\u1ebfn d\u1ea1ng kim lo\u1ea1i xung quanh \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u1ed1i n\u1ed1i ch\u1eafc ch\u1eafn v\u00e0 ph\u1eb3ng.<\/p>\n<p dir=\"auto\">Hi\u1ec3u r\u00f5 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u, bao g\u1ed3m kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c \u0111\u1ea9y ra v\u00e0 m\u00f4-men xo\u1eafn cao. H\u01b0\u1edbng d\u1eabn n\u00e0y, d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 c\u1ee7a PEM (m\u1ed9t nh\u00e0 s\u1ea3n xu\u1ea5t h\u00e0ng \u0111\u1ea7u) v\u00e0 c\u00e1c th\u1ef1c ti\u1ec5n chung trong ng\u00e0nh theo ti\u00eau chu\u1ea9n ISO 898 d\u00e0nh cho c\u00e1c lo\u1ea1i \u1ed1c v\u00edt, tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c quy tr\u00ecnh, c\u00f4ng c\u1ee5 v\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n l\u01b0u \u00fd \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 chuy\u00ean nghi\u1ec7p. L\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch gi\u00fap ng\u0103n ng\u1eeba c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u01b0 bi\u1ebfn d\u1ea1ng, l\u1ecfng l\u1ebbo ho\u1eb7c n\u1ee9t v\u1eadt li\u1ec7u, t\u1eeb \u0111\u00f3 n\u00e2ng cao \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a vi\u1ec7c l\u1eafp r\u00e1p.<\/p>\n<h2 dir=\"auto\">Ki\u1ebfn th\u1ee9c v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u01a1 b\u1ea3n<\/h2>\n<p dir=\"auto\">Tr\u01b0\u1edbc khi b\u1eaft tay v\u00e0o l\u1eafp \u0111\u1eb7t, h\u00e3y l\u00e0m quen v\u1edbi nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a \u0111ai \u1ed1c si\u1ebft. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt bao g\u1ed3m k\u00edch th\u01b0\u1edbc ren (h\u1ec7 m\u00e9t M2 \u0111\u1ebfn M10, h\u1ec7 inch #2-56 \u0111\u1ebfn 5\/16-18), v\u1eadt li\u1ec7u (th\u00e9p carbon, th\u00e9p kh\u00f4ng g\u1ec9 304\/303\/316 ho\u1eb7c d\u00f2ng 410), v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 hi\u1ec7u su\u1ea5t nh\u01b0 l\u1ef1c l\u1eafp \u0111\u1eb7t, l\u1ef1c \u0111\u1ea9y ra v\u00e0 gi\u00e1 tr\u1ecb m\u00f4-men xo\u1eafn. \u200b\u200bV\u00ed d\u1ee5, m\u1ed9t \u0111ai \u1ed1c th\u00e9p carbon lo\u1ea1i S ti\u00eau chu\u1ea9n trong t\u1ea5m th\u00e9p d\u00e0y 1,0 mm c\u00f3 th\u1ec3 c\u1ea7n l\u1ef1c l\u1eafp \u0111\u1eb7t 10-15 kN, t\u1ea1o ra l\u1ef1c \u0111\u1ea9y ra 1,5 kN v\u00e0 m\u00f4-men xo\u1eafn 5 Nm, theo h\u01b0\u1edbng d\u1eabn c\u1ee7a PEM.<\/p>\n<p dir=\"auto\">C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh: M\u00e3 chu\u00f4i x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi \u0111\u1ed9 d\u00e0y t\u1ea5m (v\u00ed d\u1ee5: -0 cho \u0111\u1ed9 d\u00e0y t\u1ed1i thi\u1ec3u 0,8 mm, -1 cho \u0111\u1ed9 d\u00e0y 1,0 mm). K\u00edch th\u01b0\u1edbc l\u1ed7 ph\u1ea3i ch\u00ednh x\u00e1c, th\u00f4ng th\u01b0\u1eddng dung sai +0,08 mm\/-0,00 mm. V\u1eadt li\u1ec7u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 c\u1ee9ng; th\u00e9p kh\u00f4ng g\u1ec9 410 cung c\u1ea5p \u0111\u1ed9 b\u1ec1n c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t cho c\u00e1c t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9. Lu\u00f4n tham kh\u1ea3o b\u1ea3ng d\u1eef li\u1ec7u c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 c\u00f3 c\u00e1c gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u \u1ee9ng d\u1ee5ng, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ASME B18.6.3 cho c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p c\u00f3 ren.<\/p>\n<ul dir=\"auto\">\n<li>X\u00e1c \u0111\u1ecbnh lo\u1ea1i \u0111ai \u1ed1c: S cho th\u00e9p carbon, CLS cho th\u00e9p kh\u00f4ng g\u1ec9 d\u00f2ng 300, SP cho th\u00e9p kh\u00f4ng g\u1ec9 d\u00f2ng 400.<\/li>\n<li>Ki\u1ec3m tra \u0111\u1ed9 c\u1ee9ng c\u1ee7a t\u1ea5m: \u0110ai \u1ed1c ph\u1ea3i c\u1ee9ng h\u01a1n t\u1ea5m \u0111\u1ec3 vi\u1ec7c k\u1eb9p ch\u1eb7t \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1ch.<\/li>\n<li>\u0110o gi\u00e1 tr\u1ecb T (chi\u1ec1u cao \u0111\u1ea7u) \u0111\u1ec3 l\u1eafp \u0111\u1eb7t \u00e2m t\u01b0\u1eddng.<\/li>\n<\/ul>\n<h2 dir=\"auto\">C\u00e1c b\u01b0\u1edbc c\u00e0i \u0111\u1eb7t<\/h2>\n<p dir=\"auto\">Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111ai \u1ed1c h\u00e3m kh\u00e1 \u0111\u01a1n gi\u1ea3n nh\u01b0ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u1ec3 tr\u00e1nh sai s\u00f3t. H\u00e3y l\u00e0m theo b\u1ed1n b\u01b0\u1edbc thi\u1ebft y\u1ebfu n\u00e0y, \u00e1p d\u1ee5ng cho c\u1ea3 quy tr\u00ecnh th\u1ee7 c\u00f4ng ho\u1eb7c t\u1ef1 \u0111\u1ed9ng, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng trong ng\u00e0nh.<\/p>\n<ol dir=\"auto\">\n<li>Chu\u1ea9n b\u1ecb \u0111e v\u00e0 \u0111\u1eb7t \u0111ai \u1ed1c: \u0110\u1eb7t \u0111ai \u1ed1c v\u00e0o m\u1ed9t r\u00e3nh l\u00f5m tr\u00ean \u0111e sao cho \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i v\u00e0 chi\u1ec1u cao (gi\u00e1 tr\u1ecb T) c\u1ee7a \u0111ai \u1ed1c kh\u1edbp v\u1edbi \u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u cao c\u1ee7a n\u00f3. \u0110e s\u1ebd \u0111\u1ee1 \u0111\u1ea7u \u0111ai \u1ed1c, ng\u0103n ng\u1eeba bi\u1ebfn d\u1ea1ng.<\/li>\n<li>C\u0103n ch\u1ec9nh t\u1ea5m kim lo\u1ea1i: \u0110\u1eb7t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ee5c s\u1eb5n tr\u00ean t\u1ea5m kim lo\u1ea1i sao cho tr\u00f9ng kh\u1edbp v\u1edbi th\u00e2n \u0111ai \u1ed1c. \u0110\u01b0\u1eddng k\u00ednh l\u1ed7 n\u00ean l\u1edbn h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh th\u00e2n \u0111ai \u1ed1c (gi\u00e1 tr\u1ecb C) \u0111\u1ec3 d\u1ec5 d\u00e0ng l\u1eafp v\u00e0o nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 si\u1ebft ch\u1eb7t.<\/li>\n<li>T\u1ea1o l\u1ef1c \u00e9p: S\u1eed d\u1ee5ng m\u00e1y \u00e9p \u0111\u1ec3 t\u1ea1o l\u1ef1c song song cho \u0111\u1ebfn khi \u0111\u1ea7u \u0111ai \u1ed1c n\u1eb1m ph\u1eb3ng v\u1edbi t\u1ea5m kim lo\u1ea1i. M\u1ee9c l\u1ef1c \u00e9p thay \u0111\u1ed5i t\u00f9y theo k\u00edch th\u01b0\u1edbc v\u00e0 v\u1eadt li\u1ec7u; c\u1ea7n theo d\u00f5i \u0111\u1ec3 tr\u00e1nh \u00e9p qu\u00e1 m\u1ea1nh.<\/li>\n<li>Ki\u1ec3m tra c\u1ee5m l\u1eafp r\u00e1p: X\u00e1c minh \u0111\u1ed9 kh\u00edt ch\u1eb7t, kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng v\u00e0 ki\u1ec3m tra l\u1ef1c \u0111\u1ea9y\/l\u1ef1c si\u1ebft theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/li>\n<\/ol>\n<p dir=\"auto\">H\u01b0\u1edbng d\u1eabn: \u0110\u1ed1i v\u1edbi s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, h\u00e3y t\u1ef1 \u0111\u1ed9ng h\u00f3a b\u1eb1ng m\u00e1y \u00e9p kh\u00ed n\u00e9n ho\u1eb7c th\u1ee7y l\u1ef1c. C\u00e1c c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 tr\u1ef1c quan nh\u01b0 ho\u1ea1t h\u00ecnh minh h\u1ecda qu\u00e1 tr\u00ecnh bi\u1ebfn d\u1ea1ng, trong \u0111\u00f3 t\u1ea5m kim lo\u1ea1i ch\u1ea3y v\u00e0o r\u00e3nh c\u1ee7a \u0111ai \u1ed1c \u0111\u1ec3 kh\u00f3a ch\u1eb7t.<\/p>\n<h2 dir=\"auto\">Thi\u1ebft k\u1ebf v\u00e0 c\u00e1c lo\u1ea1i d\u1ee5ng c\u1ee5<\/h2>\n<p dir=\"auto\">D\u1ee5ng c\u1ee5 hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 l\u1eafp \u0111\u1eb7t \u0111ai \u1ed1c k\u1eb9p th\u00e0nh c\u00f4ng. C\u00f3 hai lo\u1ea1i \u0111e ch\u00ednh: lo\u1ea1i l\u00f5m (h\u00ecnh l\u00f2ng ch\u1ea3o) d\u00f9ng cho c\u00e1c c\u00f4ng vi\u1ec7c nh\u1ecf ho\u1eb7c c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c cao, v\u00e0 lo\u1ea1i l\u1ed3i (h\u00ecnh ch\u1ed1t ho\u1eb7c d\u1ea1ng ghim) d\u00f9ng cho c\u00e1c t\u1ea5m l\u1edbn h\u01a1n ho\u1eb7c l\u1eafp \u0111\u1eb7t nhi\u1ec1u t\u1ea5m. \u0110e l\u00f5m gi\u1eef ch\u1eb7t \u0111ai \u1ed1c, v\u1edbi \u0111\u1ed9 s\u00e2u b\u1eb1ng gi\u00e1 tr\u1ecb T \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp \u0111\u1eb7t ph\u1eb3ng. \u0110e l\u1ed3i, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh ren trong c\u1ee7a \u0111ai \u1ed1c, gi\u00fap \u0111\u1ecbnh v\u1ecb nhanh ch\u00f3ng tr\u00ean c\u00e1c t\u1ea5m l\u1edbn.<\/p>\n<p dir=\"auto\">C\u00e1c khuy\u1ebfn ngh\u1ecb thi\u1ebft k\u1ebf: S\u1eed d\u1ee5ng th\u00e9p t\u00f4i c\u1ee9ng nh\u01b0 SKD11 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n. \u0110\u1ed1i v\u1edbi \u0111e l\u00f5m, h\u00e3y thi\u1ebft k\u1ebf b\u00e1n k\u00ednh nh\u1ecf (R1 t\u1ed1i \u0111a 0,25 mm, R2 +0,15 mm) \u0111\u1ec3 tr\u00e1nh t\u1eadp trung \u1ee9ng su\u1ea5t. Tr\u00e1nh c\u00e1c b\u1ec1 m\u1eb7t ph\u1eb3ng kh\u00f4ng c\u00f3 gi\u00e1 \u0111\u1ee1, v\u00ec ch\u00fang g\u00e2y cong v\u00eanh t\u1ea5m kim lo\u1ea1i. Tr\u00ean th\u1ef1c t\u1ebf, \u0111e l\u1ed3i gi\u00fap c\u1ea3i thi\u1ec7n quy tr\u00ecnh l\u00e0m vi\u1ec7c cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn, gi\u1ea3m th\u1eddi gian thao t\u00e1c v\u00e0 tr\u1ea7y x\u01b0\u1edbc tr\u00ean t\u1ea5m kim lo\u1ea1i.<\/p>\n<p dir=\"auto\">M\u1eb9o chuy\u00ean nghi\u1ec7p: Vi\u1ec7c ch\u1ebf t\u1ea1o d\u1ee5ng c\u1ee5 theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt PEM gi\u00fap t\u0103ng t\u00ednh l\u1eb7p l\u1ea1i. \u0110\u1ed1i v\u1edbi c\u00e1c c\u1ee5m l\u1eafp r\u00e1p ph\u1ee9c t\u1ea1p, h\u00e3y t\u00edch h\u1ee3p c\u00e1c ch\u1ed1t \u0111\u1ecbnh v\u1ecb \u0111\u1ec3 c\u0103n ch\u1ec9nh nhi\u1ec1u \u0111ai \u1ed1c c\u00f9ng l\u00fac, ph\u00f9 h\u1ee3p v\u1edbi qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng ISO 9001.<\/p>\n<ul dir=\"auto\">\n<li>\u0110e l\u00f5m: L\u00fd t\u01b0\u1edfng cho c\u00e1c lo\u1ea1i \u0111ai \u1ed1c \u0111\u01a1n, ng\u0103n ng\u1eeba s\u1ef1 xoay trong qu\u00e1 tr\u00ecnh \u00e9p.<\/li>\n<li>B\u1ec7 \u0111\u1ee1 nh\u00f4 ra: Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1ea5m kim lo\u1ea1i l\u1edbn, cho ph\u00e9p c\u1ea7m n\u1eafm b\u1eb1ng tay.<\/li>\n<li>Sai s\u1ed1 cho ph\u00e9p: Duy tr\u00ec sai s\u1ed1 \u00b10,05 mm \u0111\u1ed1i v\u1edbi c\u00e1c k\u00edch th\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<h2 dir=\"auto\">T\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u<\/h2>\n<p dir=\"auto\">Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eafc ch\u1eafn khi k\u1eb9p. \u0110ai \u1ed1c k\u1eb9p ph\u1ea3i c\u1ee9ng h\u01a1n t\u1ea5m th\u00e9p \u0111\u1ec3 cho ph\u00e9p d\u00f2ng ch\u1ea3y kim lo\u1ea1i th\u00edch h\u1ee3p. \u0110\u1ed1i v\u1edbi t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 304, h\u00e3y s\u1eed d\u1ee5ng \u0111ai \u1ed1c th\u00e9p kh\u00f4ng g\u1ec9 lo\u1ea1i SP 410 (c\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng cao h\u01a1n), v\u00ec \u0111ai \u1ed1c CLS 304 c\u00f3 \u0111\u1ed9 c\u1ee9ng t\u01b0\u01a1ng t\u1ef1, d\u1eabn \u0111\u1ebfn nguy c\u01a1 gi\u1eef kh\u00f4ng ch\u1eafc ch\u1eafn. Th\u00e9p carbon lo\u1ea1i S ph\u00f9 h\u1ee3p v\u1edbi th\u00e9p m\u1ea1 k\u1ebdm, nh\u00f4m ho\u1eb7c \u0111\u1ed3ng, nh\u01b0ng kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9 do kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n<p dir=\"auto\">B\u1ea3ng t\u01b0\u01a1ng th\u00edch (d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n):<\/p>\n<div>\n<div>\n<div>\n<div><\/div>\n<\/div>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th data-col-size=\"xs\">Lo\u1ea1i \u0111ai \u1ed1c<\/th>\n<th data-col-size=\"md\">V\u1eadt li\u1ec7u<\/th>\n<th data-col-size=\"md\">Th\u00e9p m\u1ea1 k\u1ebdm<\/th>\n<th data-col-size=\"xl\">Th\u00e9p kh\u00f4ng g\u1ec9<\/th>\n<th data-col-size=\"md\">\u0110\u1ed3ng<\/th>\n<th data-col-size=\"md\">Nh\u00f4m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"xs\">S<\/td>\n<td data-col-size=\"md\">Th\u00e9p cacbon<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<td data-col-size=\"xl\">Ph\u00f9 h\u1ee3p (nh\u01b0ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n)<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">CLS<\/td>\n<td data-col-size=\"md\">SUS304<\/td>\n<td data-col-size=\"md\">L\u1ec1<\/td>\n<td data-col-size=\"xl\">Kh\u00f4ng ph\u00f9 h\u1ee3p<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">SP<\/td>\n<td data-col-size=\"md\">SUS410<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<td data-col-size=\"xl\">Th\u00edch h\u1ee3p<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<td data-col-size=\"md\">Th\u00edch h\u1ee3p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p dir=\"auto\">\u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng c\u00f3 \u0111\u1ed9 \u0103n m\u00f2n cao, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 316, m\u1eb7c d\u00f9 kh\u00f3 t\u00ecm h\u01a1n. C\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf nh\u01b0 \u0111ai \u1ed1c loe gi\u00fap tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u1ed9 c\u1ee9ng b\u1eb1ng c\u00e1ch gi\u00e3n n\u1edf thay v\u00ec si\u1ebft ch\u1eb7t. Ki\u1ec3m tra kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n theo ti\u00eau chu\u1ea9n phun mu\u1ed1i ASTM B117 (v\u00ed d\u1ee5: th\u00e9p 410 \u0111\u01b0\u1ee3c th\u1ee5 \u0111\u1ed9ng h\u00f3a ch\u1ecbu \u0111\u01b0\u1ee3c h\u01a1n 72 gi\u1edd).<\/p>\n<h2 dir=\"auto\">Thi\u1ebft b\u1ecb l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c ph\u01b0\u01a1ng \u00e1n thay th\u1ebf<\/h2>\n<p dir=\"auto\">N\u00ean s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i m\u00e1y \u00e9p chuy\u00ean d\u1ee5ng (v\u00ed d\u1ee5: th\u1ee7y l\u1ef1c ho\u1eb7c kh\u00ed n\u00e9n) cho ph\u00e9p ki\u1ec3m so\u00e1t l\u1ef1c ch\u00ednh x\u00e1c (c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u1eeb 1-20 kN). Tr\u00e1nh s\u1eed d\u1ee5ng m\u00e1y \u00e9p \u0111\u1ed9t d\u1eadp do t\u1ea3i tr\u1ecdng va \u0111\u1eadp, c\u00f3 nguy c\u01a1 l\u00e0m v\u0103ng \u0111ai \u1ed1c, kh\u1ea3 n\u0103ng gi\u1eef ch\u1eb7t k\u00e9m v\u00e0 \u0111\u1ec3 l\u1ea1i v\u1ebft tr\u00ean t\u1ea5m kim lo\u1ea1i. N\u1ebfu \u0111ang l\u00e0m nguy\u00ean m\u1eabu, h\u00e3y tham kh\u1ea3o \u00fd ki\u1ebfn \u200b\u200bnh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y \u00e9p \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u1ec1 vi\u1ec7c l\u1eafp \u0111\u1eb7t th\u1eed nghi\u1ec7m.<\/p>\n<p dir=\"auto\">Gi\u1ea3i ph\u00e1p thay th\u1ebf: \u0110\u1ed1i v\u1edbi m\u1ed1i n\u1ed1i th\u00e9p kh\u00f4ng g\u1ec9 v\u1edbi th\u00e9p kh\u00f4ng g\u1ec9, h\u00e3y s\u1eed d\u1ee5ng \u0111ai \u1ed1c loe v\u1edbi d\u1ee5ng c\u1ee5 m\u1edf r\u1ed9ng. Nguy\u00ean t\u1eafc t\u01b0\u01a1ng t\u1ef1 \u00e1p d\u1ee5ng cho c\u00e1c lo\u1ea1i \u1ed1c v\u00edt li\u00ean quan nh\u01b0 \u0111inh t\u00e1n ho\u1eb7c tr\u1ee5 \u0111\u1ee1, v\u1edbi \u0111e \u0111i\u1ec1u ch\u1ec9nh. An to\u00e0n l\u00e0 tr\u00ean h\u1ebft: S\u1eed d\u1ee5ng t\u1ea5m ch\u1eafn v\u00e0 thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 c\u00e1 nh\u00e2n ph\u00f9 h\u1ee3p theo ti\u00eau chu\u1ea9n OSHA.<\/p>\n<p dir=\"auto\">H\u01b0\u1edbng d\u1eabn: \u0110\u1ea7u t\u01b0 v\u00e0o m\u00e1y \u00e9p \u0111\u1ec3 ph\u1ee5c v\u1ee5 s\u1ea3n xu\u1ea5t; hi\u1ec7u ch\u1ec9nh th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1ef1c \u00e9p lu\u00f4n \u1ed5n \u0111\u1ecbnh.<\/p>\n<h2 dir=\"auto\">C\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u00e0 gi\u1ea3i ph\u00e1p<\/h2>\n<p dir=\"auto\">C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 bi\u1ebfn d\u1ea1ng t\u1ea5m kim lo\u1ea1i ph\u00e1t sinh do s\u1eed d\u1ee5ng \u0111e kh\u00f4ng \u0111\u00fang c\u00e1ch; h\u00e3y s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft k\u1ebf h\u1ed7 tr\u1ee3. L\u1eafp \u0111\u1eb7t t\u1eeb ph\u00eda g\u1edd (l\u1ed1i ra c\u1ee7a \u0111\u1ed9t d\u1eadp) \u0111\u1ec3 d\u00f2ng ch\u1ea3y t\u1ed1t h\u01a1n. \u0110\u1ed1i v\u1edbi t\u1ea5m 304 c\u00f3 \u0111ai \u1ed1c 304, h\u00e3y chuy\u1ec3n sang 410 ho\u1eb7c lo\u1ea1i c\u00f3 \u0111\u1ea7u loe. Ki\u1ec3m tra t\u1eeb t\u00ednh gi\u00fap ph\u00e2n bi\u1ec7t 410 (c\u00f3 t\u1eeb t\u00ednh) v\u1edbi 304 (kh\u00f4ng c\u00f3 t\u1eeb t\u00ednh).<\/p>\n<p dir=\"auto\">Gi\u1ea3i ph\u00e1p: Ki\u1ec3m tra tr\u01b0\u1edbc c\u00e1c c\u1ee5m l\u1eafp r\u00e1p v\u1ec1 m\u00f4-men xo\u1eafn\/l\u1ef1c \u0111\u1ea9y theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt PEM. \u0110\u00e1nh b\u00f3ng c\u00e1c v\u1ebft x\u01b0\u1edbc n\u1ebfu s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb kh\u00f4ng t\u1ed1i \u01b0u.<\/p>\n<h2 dir=\"auto\">B\u1ea3ng k\u00edch th\u01b0\u1edbc \u0111e<\/h2>\n<div>\n<div>\n<div>\n<div><\/div>\n<\/div>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th data-col-size=\"xs\">K\u00edch th\u01b0\u1edbc ren (h\u1ec7 m\u00e9t)<\/th>\n<th data-col-size=\"sm\">A (\u00b10,05 mm)<\/th>\n<th data-col-size=\"sm\">P (-0,03 mm)<\/th>\n<th data-col-size=\"sm\">R t\u1ed1i \u0111a (mm)<\/th>\n<th data-col-size=\"sm\">R1 (+ mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"xs\">M2.5<\/td>\n<td data-col-size=\"sm\">5.66<\/td>\n<td data-col-size=\"sm\">1.27<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M3<\/td>\n<td data-col-size=\"sm\">5.90<\/td>\n<td data-col-size=\"sm\">1.27<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M3.5<\/td>\n<td data-col-size=\"sm\">6.48<\/td>\n<td data-col-size=\"sm\">1.27<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M4<\/td>\n<td data-col-size=\"sm\">8.05<\/td>\n<td data-col-size=\"sm\">2.08<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M5<\/td>\n<td data-col-size=\"sm\">8.84<\/td>\n<td data-col-size=\"sm\">2.08<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M6<\/td>\n<td data-col-size=\"sm\">11.25<\/td>\n<td data-col-size=\"sm\">4.14<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M8<\/td>\n<td data-col-size=\"sm\">12.83<\/td>\n<td data-col-size=\"sm\">5.41<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">M10<\/td>\n<td data-col-size=\"sm\">17.58<\/td>\n<td data-col-size=\"sm\">7.47<\/td>\n<td data-col-size=\"sm\">0.25<\/td>\n<td data-col-size=\"sm\">0.13<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div>\n<div>\n<div>\n<div><\/div>\n<\/div>\n<div class=\"table-container\" style=\"overflow-x: auto; width: 100%;\">\n<table style=\"width: 100%;\">\n<thead>\n<tr>\n<th data-col-size=\"xs\">K\u00edch th\u01b0\u1edbc ren (inch)<\/th>\n<th data-col-size=\"xs\">A (\u00b10,002 inch)<\/th>\n<th data-col-size=\"xs\">P (\u00b10,005 inch)<\/th>\n<th data-col-size=\"xs\">R t\u1ed1i \u0111a (inch)<\/th>\n<th data-col-size=\"xs\">R1 (+ v\u00e0o)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-col-size=\"xs\">#2-56<\/td>\n<td data-col-size=\"xs\">0.223<\/td>\n<td data-col-size=\"xs\">0.060<\/td>\n<td data-col-size=\"xs\">0.010<\/td>\n<td data-col-size=\"xs\">0.005<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">#4-40<\/td>\n<td data-col-size=\"xs\">0.233<\/td>\n<td data-col-size=\"xs\">0.060<\/td>\n<td data-col-size=\"xs\">0.010<\/td>\n<td data-col-size=\"xs\">0.005<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">#6-32<\/td>\n<td data-col-size=\"xs\">0.255<\/td>\n<td data-col-size=\"xs\">0.060<\/td>\n<td data-col-size=\"xs\">0.010<\/td>\n<td data-col-size=\"xs\">0.005<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">#8-32<\/td>\n<td data-col-size=\"xs\">0.317<\/td>\n<td data-col-size=\"xs\">0.082<\/td>\n<td data-col-size=\"xs\">0.010<\/td>\n<td data-col-size=\"xs\">0.005<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">#10-32<\/td>\n<td data-col-size=\"xs\">0.348<\/td>\n<td data-col-size=\"xs\">0.082<\/td>\n<td data-col-size=\"xs\">0.010<\/td>\n<td data-col-size=\"xs\">0.005<\/td>\n<\/tr>\n<tr>\n<td data-col-size=\"xs\">1\/4-20<\/td>\n<td data-col-size=\"xs\">0.443<\/td>\n<td data-col-size=\"xs\">0.163<\/td>\n<td data-col-size=\"xs\">0.010<\/td>\n<td data-col-size=\"xs\">0.005<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p dir=\"auto\">C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y, \u0111\u01b0\u1ee3c x\u00e1c minh theo ti\u00eau chu\u1ea9n PEM, \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf \u0111e ph\u00f9 h\u1ee3p cho c\u00e1c lo\u1ea1i S, CLS, SP. A l\u00e0 \u0111\u01b0\u1eddng k\u00ednh \u0111e, P l\u00e0 chi\u1ec1u cao ph\u1ea7n nh\u00f4 ra.<\/p>\n<h2 dir=\"auto\">\u1ee8ng d\u1ee5ng v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/h2>\n<p dir=\"auto\">\u0110ai \u1ed1c k\u1eb9p (clinch nut) r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c l\u1eafp r\u00e1p c\u00e1c t\u1ea5m kim lo\u1ea1i y\u00eau c\u1ea7u c\u00e1c chi ti\u1ebft ren ch\u00e8n m\u00e0 kh\u00f4ng c\u00f3 ph\u1ea7n nh\u00f4 ra \u1edf m\u1ed9t b\u00ean. Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t: \u0110\u1ee5c l\u1ed7 t\u1eeb ph\u00eda l\u1eafp \u0111\u1eb7t \u0111\u1ec3 c\u00f3 c\u00e1c c\u1ea1nh s\u1eafc n\u00e9t; s\u1eed d\u1ee5ng c\u1eaft laser \u0111\u1ec3 c\u00f3 c\u00e1c l\u1ed7 kh\u00f4ng c\u00f3 g\u1edd. Sau khi l\u1eafp \u0111\u1eb7t, ki\u1ec3m tra theo quy tr\u00ecnh PEM. \u0110\u1ed1i v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf nh\u01b0 v\u00edt c\u1ed1 \u0111\u1ecbnh ho\u1eb7c tr\u1ee5 \u0111\u1ee1, h\u00e3y \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u01b0\u01a1ng t\u1ef1. B\u1ea3o tr\u00ec thi\u1ebft b\u1ecb theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/p>\n<h2 dir=\"auto\">Ph\u1ea7n H\u1ecfi \u0111\u00e1p<\/h2>\n<p dir=\"auto\"><strong>N\u00ean l\u1eafp \u0111ai \u1ed1c h\u00e3m t\u1eeb ph\u00eda n\u00e0o c\u1ee7a t\u1ea5m kim lo\u1ea1i?<\/strong><br \/>\nL\u1eafp \u0111\u1eb7t t\u1eeb ph\u00eda g\u1edd ho\u1eb7c ph\u00eda tho\u00e1t (ph\u1ea7n \u0111\u1ed9t ph\u00e1) \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a d\u00f2ng ch\u1ea3y kim lo\u1ea1i v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eafc ch\u1eafn khi k\u1eb9p, theo ti\u00eau chu\u1ea9n ng\u00e0nh.<\/p>\n<p>&nbsp;<\/p>\n<p dir=\"auto\"><strong>C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111ai \u1ed1c b\u1ea5m b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 304 tr\u00ean t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 304 kh\u00f4ng?<\/strong><br \/>\nKh\u00f4ng, do \u0111\u1ed9 c\u1ee9ng t\u01b0\u01a1ng t\u1ef1; n\u00ean s\u1eed d\u1ee5ng lo\u1ea1i 410 (lo\u1ea1i SP) \u0111\u1ec3 gi\u1eef nhi\u1ec7t t\u1ed1t h\u01a1n, \u0111\u01b0\u1ee3c x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 c\u00f3 \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p>&nbsp;<\/p>\n<p dir=\"auto\"><strong>T\u1ea1i sao n\u00ean tr\u00e1nh s\u1eed d\u1ee5ng m\u00e1y d\u1eadp l\u1ed7 trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t?<\/strong><br \/>\nVi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u00e9p c\u00f3 l\u1ef1c t\u00e1c \u0111\u1ed9ng m\u1ea1nh c\u00f3 th\u1ec3 g\u00e2y v\u0103ng \u0111ai \u1ed1c, l\u1ef1c si\u1ebft\/\u0111\u1ea9y y\u1ebfu v\u00e0 h\u01b0 h\u1ecfng t\u1ea5m kim lo\u1ea1i; thay v\u00e0o \u0111\u00f3, n\u00ean s\u1eed d\u1ee5ng m\u00e1y \u00e9p c\u00f3 l\u1ef1c \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<p>&nbsp;<\/p>\n<p dir=\"auto\"><strong>Lo\u1ea1i \u0111e n\u00e0o t\u1ed1t nh\u1ea5t cho c\u00e1c t\u1ea5m kim lo\u1ea1i l\u1edbn?<\/strong><br \/>\nC\u00e1c \u0111\u1ea7u \u0111e nh\u00f4 ra (l\u1ed3i) cho ph\u00e9p \u0111\u1ecbnh v\u1ecb v\u00e0 thao t\u00e1c d\u1ec5 d\u00e0ng, l\u00fd t\u01b0\u1edfng cho vi\u1ec7c l\u1eafp \u0111\u1eb7t nhi\u1ec1u thi\u1ebft b\u1ecb tr\u00ean c\u00e1c t\u1ea5m panel kh\u1ed5 l\u1edbn.<\/p>\n<p>&nbsp;<\/p>\n<p dir=\"auto\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 ch\u1eafc ch\u1eafn c\u1ee7a \u0111ai \u1ed1c si\u1ebft \u0111\u00e3 l\u1eafp \u0111\u1eb7t?<\/strong><br \/>\n\u0110o l\u1ef1c \u0111\u1ea9y ra v\u00e0 m\u00f4-men xo\u1eafn ra theo th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt PEM, s\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 \u0111\u00e3 hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 t\u1ea3i tr\u1ecdng \u1ee9ng d\u1ee5ng.<\/p>\n<p>&nbsp;<\/p>\n<p dir=\"auto\"><strong>N\u1ebfu hi\u1ec7n t\u01b0\u1ee3ng \u0103n m\u00f2n l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 \u0111\u00e1ng lo ng\u1ea1i v\u1edbi c\u00e1c lo\u1ea1i \u0111ai \u1ed1c 410 th\u00ec sao?<\/strong><br \/>\nN\u00ean ch\u1ecdn lo\u1ea1i th\u00e9p 410 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd th\u1ee5 \u0111\u1ed9ng (kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u1eb7n trong h\u01a1n 72 gi\u1edd) ho\u1eb7c c\u00e2n nh\u1eafc lo\u1ea1i 316 cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, m\u1eb7c d\u00f9 lo\u1ea1i n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to Clinch Nuts Clinch nuts, also known as press-in or self-clinching nuts, are specialized fasteners designed for permanent installation into thin sheet metal, providing strong, reusable threaded attachments without welding or additional hardware. These nuts are widely used in industries such as electronics, automotive, aerospace, and appliance manufacturing, where reliable threading in thin materials [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5896","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5896","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5896"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5896\/revisions"}],"predecessor-version":[{"id":5897,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5896\/revisions\/5897"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5896"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5896"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5896"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}