{"id":5819,"date":"2025-12-25T02:04:36","date_gmt":"2025-12-25T02:04:36","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5819"},"modified":"2025-12-25T02:09:36","modified_gmt":"2025-12-25T02:09:36","slug":"brass-insert-nuts-types-molding-methods","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/brass-insert-nuts-types-molding-methods\/","title":{"rendered":"\u0110ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau: C\u00e1c lo\u1ea1i v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 \u0111ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau<\/h2>\n
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\u0110ai \u1ed1c ren b\u1eb1ng \u0111\u1ed3ng thau, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111ai \u1ed1c nh\u00fang ho\u1eb7c \u0111ai \u1ed1c ren, l\u00e0 th\u00e0nh ph\u1ea7n thi\u1ebft y\u1ebfu trong quy tr\u00ecnh \u00e9p phun nh\u1ef1a. Nh\u1eefng \u0111ai \u1ed1c n\u00e0y cung c\u1ea5p ren ch\u1eafc ch\u1eafn, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng trong v\u1eadt li\u1ec7u nh\u1ef1a nhi\u1ec7t d\u1ebbo v\u00e0 nh\u1ef1a nhi\u1ec7t r\u1eafn, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng l\u1eafp r\u00e1p c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn nh\u1ef1a. \u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ch\u1ee7 y\u1ebfu t\u1eeb \u0111\u1ed3ng thau nh\u1edd kh\u1ea3 n\u0103ng gia c\u00f4ng, ch\u1ed1ng \u0103n m\u00f2n v\u00e0 d\u1eabn nhi\u1ec7t tuy\u1ec7t v\u1eddi, c\u00e1c \u0111ai \u1ed1c n\u00e0y tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 GB 809-88, quy \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc v\u00e0 dung sai cho \u0111ai \u1ed1c nh\u00fang.<\/p>\n

Vi\u1ec7c t\u00edch h\u1ee3p \u0111ai \u1ed1c b\u1eb1ng \u0111\u1ed3ng thau v\u00e0o nh\u1ef1a gi\u1ea3i quy\u1ebft nh\u1eefng h\u1ea1n ch\u1ebf v\u1ed1n c\u00f3 c\u1ee7a ren nh\u1ef1a, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n th\u1ea5p v\u00e0 d\u1ec5 b\u1ecb tu\u1ed9t ren d\u01b0\u1edbi t\u1ea3i tr\u1ecdng. B\u1eb1ng c\u00e1ch nh\u00fang \u0111ai \u1ed1c trong ho\u1eb7c sau khi \u0111\u00fac, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea1t \u0111\u01b0\u1ee3c kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c k\u00e9o v\u00e0 m\u00f4-men xo\u1eafn cao, r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed, \u00f4 t\u00f4 v\u00e0 h\u00e0ng ti\u00eau d\u00f9ng. H\u01b0\u1edbng d\u1eabn n\u00e0y s\u1ebd m\u1edf r\u1ed9ng v\u1ec1 c\u00e1c c\u1ea5u h\u00ecnh \u0111ai \u1ed1c \u0111i\u1ec3n h\u00ecnh, ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u, cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft chuy\u00ean nghi\u1ec7p \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf v\u00e0 hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/p>\n

Nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh bao g\u1ed3m ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng t\u1ed1t h\u01a1n, gi\u1ea3m th\u1eddi gian l\u1eafp r\u00e1p v\u00e0 t\u0103ng \u0111\u1ed9 b\u1ec1n s\u1ea3n ph\u1ea9m. Tuy nhi\u00ean, vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 n\u1ee9t v\u1ee1 ho\u1eb7c li\u00ean k\u1ebft kh\u00f4ng \u0111\u1ee7 ch\u1eafc ch\u1eafn, theo nguy\u00ean l\u00fd khoa h\u1ecdc v\u1eadt li\u1ec7u v\u00e0 ti\u00eau chu\u1ea9n ng\u00e0nh.<\/p>\n<\/div>\n

Ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i \u0111ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau<\/h2>\n
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\u0110ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i d\u1ef1a tr\u00ean ki\u1ec3u kh\u00eda, h\u00ecnh d\u1ea1ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t. C\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m kh\u00eda th\u1eb3ng, kh\u00eda l\u01b0\u1edbi (h\u00ecnh thoi), kh\u00eda xo\u1eafn \u1ed1c, h\u00ecnh l\u1ee5c gi\u00e1c, h\u00ecnh thoi c\u00f3 r\u00e3nh, xo\u1eafn k\u00e9p (h\u00ecnh s\u1ed1 t\u00e1m), xo\u1eafn k\u00e9p b\u1eadc thang v\u00e0 c\u00e1c bi\u1ebfn th\u1ec3 b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9. Nh\u1eefng thi\u1ebft k\u1ebf n\u00e0y \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t c\u1ee5 th\u1ec3, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u1ea3 n\u0103ng ch\u1ecbu m\u00f4-men xo\u1eafn ho\u1eb7c \u0111\u1ed9 d\u1ec5 l\u1eafp \u0111\u1eb7t.<\/p>\n

\u0110\u1ed1i v\u1edbi \u0111ai \u1ed1c \u0111\u01b0\u1ee3c l\u1eafp s\u1eb5n (t\u00edch h\u1ee3p trong qu\u00e1 tr\u00ecnh \u0111\u00fac), lo\u1ea1i c\u00f3 kh\u00eda th\u1eb3ng ph\u00f9 h\u1ee3p v\u1edbi ti\u00eau chu\u1ea9n GB 809-88, cung c\u1ea5p \u0111\u1ed9 b\u00e1m tr\u1ee5c ti\u00eau chu\u1ea9n. \u0110ai \u1ed1c c\u00f3 kh\u00eda d\u1ea1ng l\u01b0\u1edbi mang l\u1ea1i kh\u1ea3 n\u0103ng gi\u1eef ch\u1eafc ch\u1eafn theo m\u1ecdi h\u01b0\u1edbng, l\u00fd t\u01b0\u1edfng cho c\u00e1c l\u1ed7 k\u00edn. C\u00e1c bi\u1ebfn th\u1ec3 c\u00f3 kh\u00eda xo\u1eafn \u1ed1c c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng xoay, trong khi c\u00e1c h\u00ecnh d\u1ea1ng l\u1ee5c gi\u00e1c mang l\u1ea1i \u0111\u1eb7c t\u00ednh ch\u1ed1ng momen xo\u1eafn v\u01b0\u1ee3t tr\u1ed9i nh\u1edd c\u1ea5u h\u00ecnh \u0111a gi\u00e1c c\u1ee7a ch\u00fang.<\/p>\n

C\u00e1c chi ti\u1ebft ch\u00e8n sau khi \u0111\u00fac, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t ho\u1eb7c nh\u00fang b\u1eb1ng s\u00f3ng si\u00eau \u00e2m, c\u00f3 b\u1ec1 ngo\u00e0i v\u00e1t \u0111\u1ec3 \u0111\u1ecbnh h\u01b0\u1edbng. Thi\u1ebft k\u1ebf c\u00f3 r\u00e3nh cho ph\u00e9p \u0111\u1ecbnh h\u01b0\u1edbng b\u1eb1ng tua v\u00edt, v\u00e0 c\u00e1c ki\u1ec3u xo\u1eafn k\u00e9p \u0111\u1ea3m b\u1ea3o t\u00ednh th\u1ea9m m\u1ef9 khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c phi\u00ean b\u1ea3n b\u1eadc thang. V\u1eadt li\u1ec7u kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n \u1edf \u0111\u1ed3ng thau m\u00e0 c\u00f2n bao g\u1ed3m th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c s\u1eaft cho c\u00e1c m\u00f4i tr\u01b0\u1eddng chuy\u00ean d\u1ee5ng, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>\n

Hi\u1ec3u r\u00f5 c\u00e1c ph\u00e2n lo\u1ea1i n\u00e0y cho ph\u00e9p l\u1ef1a ch\u1ecdn ch\u00ednh x\u00e1c s\u1ea3n ph\u1ea9m 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 c\u01a1 kh\u00ed nh\u01b0 ISO 898 v\u1ec1 \u0111\u1eb7c t\u00ednh c\u1ee7a \u1ed1c v\u00edt.<\/p>\n

<\/div>\n<\/div>\n

K\u1ef9 thu\u1eadt \u00e9p phun v\u00e0 ch\u00e8n<\/h2>\n
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C\u00e1c k\u1ef9 thu\u1eadt \u00e9p phun \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau c\u00f3 nhi\u1ec1u bi\u1ebfn th\u1ec3, bao g\u1ed3m ph\u01b0\u01a1ng ph\u00e1p nh\u00fang trong khu\u00f4n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00e8n sau khi \u0111\u00fac. Ph\u01b0\u01a1ng ph\u00e1p nh\u00fang trong khu\u00f4n bao g\u1ed3m vi\u1ec7c \u0111\u1eb7t \u0111ai \u1ed1c v\u00e0o khoang khu\u00f4n tr\u01b0\u1edbc khi phun nh\u1ef1a, cho ph\u00e9p v\u1eadt li\u1ec7u n\u00f3ng ch\u1ea3y ch\u1ea3y xung quanh b\u1ec1 m\u1eb7t c\u00f3 kh\u00eda \u0111\u1ec3 t\u1ea1o li\u00ean k\u1ebft li\u1ec1n m\u1ea1ch. C\u00e1ch ti\u1ebfp c\u1eadn n\u00e0y, ph\u00f9 h\u1ee3p v\u1edbi s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn, \u0111\u1ea3m b\u1ea3o s\u1ef1 kh\u00f3a c\u01a1 h\u1ecdc ch\u1eafc ch\u1eafn nh\u01b0ng \u0111\u00f2i h\u1ecfi thi\u1ebft k\u1ebf khu\u00f4n ch\u00ednh x\u00e1c \u0111\u1ec3 tr\u00e1nh sai l\u1ec7ch.<\/p>\n

C\u00e1c k\u1ef9 thu\u1eadt sau khi \u0111\u00fac bao g\u1ed3m \u00e9p n\u00f3ng, trong \u0111\u00f3 \u0111ai \u1ed1c \u0111\u01b0\u1ee3c nung n\u00f3ng (th\u01b0\u1eddng \u0111\u1ebfn 200-300\u00b0C) v\u00e0 \u00e9p v\u00e0o m\u1ed9t l\u1ed7 \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1ea1o s\u1eb5n, l\u00e0m m\u1ec1m nh\u1ef1a \u0111\u1ec3 d\u1ec5 d\u00e0ng nh\u00fang v\u00e0o. Ph\u01b0\u01a1ng ph\u00e1p ch\u00e8n si\u00eau \u00e2m s\u1eed d\u1ee5ng c\u00e1c rung \u0111\u1ed9ng t\u1ea7n s\u1ed1 cao \u0111\u1ec3 t\u1ea1o ra nhi\u1ec7t c\u1ee5c b\u1ed9, th\u00fac \u0111\u1ea9y s\u1ef1 k\u1ebft d\u00ednh m\u00e0 kh\u00f4ng g\u00e2y ra \u1ee9ng su\u1ea5t nhi\u1ec7t qu\u00e1 m\u1ee9c. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n li\u00ean k\u1ebft l\u00ean \u0111\u1ebfn 25% th\u00f4ng qua s\u1ef1 th\u00e2m nh\u1eadp v\u1eadt li\u1ec7u t\u1ed1t h\u01a1n, theo nguy\u00ean l\u00fd h\u00e0n si\u00eau \u00e2m.<\/p>\n

C\u00e1c lo\u1ea1i \u1ed1c t\u1ef1 ren t\u1ef1 t\u1ea1o ren trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t, l\u00fd t\u01b0\u1edfng cho v\u1eadt li\u1ec7u nhi\u1ec7t r\u1eafn. Thi\u1ebft k\u1ebf h\u00ecnh c\u00f4n gi\u00fap \u0111\u1ecbnh h\u01b0\u1edbng d\u1ec5 d\u00e0ng h\u01a1n, gi\u1ea3m l\u1ef1c l\u1eafp \u0111\u1eb7t. M\u1eb7c d\u00f9 c\u00e1c lo\u1ea1i \u0111ai \u1ed1c \u0111\u01b0\u1ee3c g\u1eafn s\u1eb5n nh\u01b0 lo\u1ea1i th\u1eb3ng ho\u1eb7c l\u1ee5c gi\u00e1c l\u00e0 ti\u00eau chu\u1ea9n cho vi\u1ec7c \u0111\u00fac khu\u00f4n, c\u00e1c bi\u1ebfn th\u1ec3 sau khi \u0111\u00fac c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh \u0111\u00fac n\u1ebfu y\u00eau c\u1ea7u, m\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3.<\/p>\n

H\u01b0\u1edbng d\u1eabn: Lu\u00f4n l\u00e0m n\u00f3ng tr\u01b0\u1edbc c\u00e1c chi ti\u1ebft ch\u00e8n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a nh\u1ef1a, v\u00e0 ki\u1ec3m tra quy tr\u00ecnh b\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m k\u00e9o theo ti\u00eau chu\u1ea9n ASTM D638 \u0111\u1ec3 x\u00e1c nh\u1eadn tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 \u0111\u1ed9 b\u1ec1n.<\/p>\n

<\/div>\n<\/div>\n

Ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u nh\u1ef1a<\/h2>\n
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Vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 k\u1ebft tinh, t\u00ednh ch\u1ea5t nhi\u1ec7t v\u00e0 \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a nh\u1ef1a. Nh\u1ef1a \u0111\u01b0\u1ee3c chia th\u00e0nh nh\u1ef1a k\u1ebft tinh (v\u00ed d\u1ee5: PE, PP, POM, PA6, PA66, PET, PBT) v\u00e0 nh\u1ef1a kh\u00f4ng k\u1ebft tinh (v\u00ed d\u1ee5: PC, ABS, polystyrene, PVC). Nh\u1ef1a k\u1ebft tinh c\u00f3 c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u00f3 tr\u1eadt t\u1ef1 v\u1edbi \u0111i\u1ec3m n\u00f3ng ch\u1ea3y ri\u00eang bi\u1ec7t, do \u0111\u00f3 \u00edt nh\u1ea1y c\u1ea3m v\u1edbi \u1ee9ng su\u1ea5t v\u00e0 t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i t\u1ea1o v\u00e2n kh\u00e1c nhau.<\/p>\n

C\u00e1c lo\u1ea1i nh\u1ef1a kh\u00f4ng k\u1ebft tinh kh\u00f4ng c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y x\u00e1c \u0111\u1ecbnh v\u00e0 r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi \u1ee9ng su\u1ea5t, do \u0111\u00f3 c\u1ea7n tr\u00e1nh c\u00e1c \u0111\u01b0\u1eddng kh\u00eda s\u1eafc nh\u1ecdn \u0111\u1ec3 ng\u0103n ng\u1eeba n\u1ee9t v\u1ee1. \u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c m\u1ea1 \u0111i\u1ec7n, c\u1ea7n g\u1eafn \u0111ai \u1ed1c sau khi m\u1ea1 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng n\u1ee9t do axit g\u00e2y ra. Nh\u1ef1a nhi\u1ec7t r\u1eafn, kh\u00f4ng n\u00f3ng ch\u1ea3y, c\u1ea7n \u0111\u01b0\u1ee3c \u00e9p tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c \u0111\u01b0\u1eddng kh\u00eda s\u1eafc nh\u1ecdn ch\u00ednh x\u00e1c.<\/p>\n

H\u01b0\u1edbng d\u1eabn chuy\u00ean m\u00f4n: \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u tinh th\u1ec3, h\u00e3y ch\u1ecdn lo\u1ea1i ren xo\u1eafn \u1ed1c ho\u1eb7c ren kim c\u01b0\u01a1ng \u0111\u1ec3 t\u0103ng m\u00f4-men xo\u1eafn. \u200b\u200b\u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u phi tinh th\u1ec3, h\u00e3y s\u1eed d\u1ee5ng lo\u1ea1i ren cong tr\u00f2n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t. T\u00ednh \u0111\u1ebfn s\u1ef1 co ng\u00f3t (0,5-2%) trong thi\u1ebft k\u1ebf l\u1ed7, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n c\u1ee5 th\u1ec3 cho t\u1eebng lo\u1ea1i v\u1eadt li\u1ec7u nh\u01b0 ISO 1133 v\u1ec1 l\u01b0u l\u01b0\u1ee3ng.<\/p>\n

<\/div>\n<\/div>\n

Danh m\u1ee5c chi ti\u1ebft c\u00e1c lo\u1ea1i \u0111ai \u1ed1c ch\u00e8n<\/h2>\n
\n

B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c lo\u1ea1i \u0111ai \u1ed1c ch\u00e8n b\u1eb1ng \u0111\u1ed3ng thau kh\u00e1c nhau, \u1ee9ng d\u1ee5ng v\u00e0 \u0111\u1ed9 ph\u00f9 h\u1ee3p c\u1ee7a ch\u00fang v\u1edbi c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00e1c nhau, d\u1ef1a tr\u00ean ph\u00e2n lo\u1ea1i ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
T\u00ean<\/th>\nM\u00f4 t\u1ea3 v\u00e0 \u1ee9ng d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n
\u0110ai \u1ed1c c\u00f3 kh\u00eda h\u00ecnh x\u01b0\u01a1ng c\u00e1<\/td>\nTh\u00edch h\u1ee3p cho vi\u1ec7c nh\u00fang b\u1eb1ng keo n\u00f3ng ch\u1ea3y v\u00e0 si\u00eau \u00e2m trong nh\u1ef1a nhi\u1ec7t d\u1ebbo. Thi\u1ebft k\u1ebf v\u00e2n x\u01b0\u01a1ng c\u00e1 gi\u00fap c\u1ea3i thi\u1ec7n m\u00f4-men xo\u1eafn v\u00e0 l\u1ef1c k\u00e9o ra.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c l\u1ed7 c\u00f4n<\/td>\n\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c lo\u1ea1i nh\u1ef1a c\u00f3 g\u00f3c nghi\u00eang l\u1edbn (8\u00b0). \u0110\u1ea3m b\u1ea3o v\u1eeba kh\u00edt trong c\u00e1c l\u1ed7 h\u00ecnh n\u00f3n.<\/td>\n<\/tr>\n
\u0110\u01b0\u1eddng v\u00e2n g\u00f3c c\u1ea1nh v\u1edbi l\u01b0\u1ee1i dao \u0111\u1ea3o chi\u1ec1u<\/td>\nD\u00e0nh cho c\u00e1c l\u1ed7 c\u00f3 g\u00f3c tho\u00e1t n\u01b0\u1edbc l\u1edbn. C\u00e1c \u0111\u01b0\u1eddng kh\u00eda g\u00f3c c\u1ea1nh v\u00e0 l\u01b0\u1ee1i \u0111\u1ea3o chi\u1ec1u gi\u00fap t\u0103ng m\u00f4-men xo\u1eafn\/l\u1ef1c k\u00e9o l\u00ean 25%.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c c\u00f3 dung sai cao<\/td>\n\u0110\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c dung sai l\u1edbn trong c\u00e1c l\u1ed7 nh\u1ef1a \u0111\u1ed3ng th\u1eddi cung c\u1ea5p m\u00f4-men xo\u1eafn\/l\u1ef1c k\u00e9o cao.<\/td>\n<\/tr>\n
V\u00e2n n\u1ed5i hai chi\u1ec1u \u0111\u1ed1i x\u1ee9ng<\/td>\nH\u00ecnh d\u1ea1ng \u0111\u1ed1i x\u1ee9ng cho vi\u1ec7c nh\u00fang t\u1ef1 \u0111\u1ed9ng. Vi\u1ec7c t\u1ea1o v\u00e2n nh\u00e1m hai chi\u1ec1u mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i.<\/td>\n<\/tr>\n
H\u1ea1t nh\u1ecf<\/td>\nTh\u00edch h\u1ee3p cho c\u00e1c chi ti\u1ebft nh\u1ef1a nh\u1ecf, th\u00e0nh m\u1ecfng v\u00e0 \u1ed1c v\u00edt nh\u1ecf.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c c\u00f3 kh\u00eda h\u00ecnh cung<\/td>\n\u0110\u1ed1i v\u1edbi c\u00e1c lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo phi tinh th\u1ec3 nh\u1ea1y c\u1ea3m v\u1edbi \u1ee9ng su\u1ea5t. T\u1ea1o v\u00e2n cong gi\u00fap tr\u00e1nh c\u00e1c \u0111\u1ec9nh nh\u1ecdn v\u00e0 \u1ee9ng su\u1ea5t \u1edf ch\u00e2n v\u00e2n.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c t\u1ea5m m\u1ecfng<\/td>\n\u0110\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho c\u00e1c c\u1ea5u tr\u00fac nh\u1ef1a d\u1ea1ng t\u1ea5m m\u1ecfng.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c \u00e9p tr\u1ef1c ti\u1ebfp<\/td>\n\u00c9p tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i nh\u1ef1a nhi\u1ec7t d\u1ebbo, kh\u00f4ng c\u1ea7n thi\u1ebft b\u1ecb \u0111\u1eb7c bi\u1ec7t.<\/td>\n<\/tr>\n
\u0110\u1ed9 s\u1eafc b\u00e9n ch\u00ednh x\u00e1c c\u1ee7a v\u00e2n nh\u00e1m<\/td>\nGia c\u00f4ng kh\u00eda s\u1eafc b\u00e9n ch\u00ednh x\u00e1c cho c\u00e1c v\u1eadt li\u1ec7u nh\u1ef1a nhi\u1ec7t r\u1eafn c\u1ee9ng v\u00e0 gi\u00f2n.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c t\u1ef1 ren<\/td>\nLo\u1ea1i v\u00edt t\u1ef1 ren d\u00f9ng cho nh\u1ef1a nhi\u1ec7t d\u1ebbo v\u00e0 nh\u1ef1a nhi\u1ec7t r\u1eafn.<\/td>\n<\/tr>\n
\u0110ai \u1ed1c hi\u1ec7u su\u1ea5t cao \u0111\u00fac li\u1ec1n kh\u1ed1i<\/td>\n\u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p nh\u00fang trong khu\u00f4n, \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t m\u00f4-men xo\u1eafn\/l\u1ef1c k\u00e9o c\u1ef1c cao.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Danh m\u1ee5c n\u00e0y minh h\u1ecda s\u1ef1 \u0111a d\u1ea1ng c\u1ee7a c\u00e1c thi\u1ebft k\u1ebf, m\u1ed7i thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u00fac v\u00e0 \u0111\u1eb7c t\u00ednh nh\u1ef1a c\u1ee5 th\u1ec3, gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn s\u00e1ng su\u1ed1t \u0111\u1ec3 n\u00e2ng cao \u0111\u1ed9 tin c\u1eady.<\/p>\n<\/div>\n

C\u00e1c ph\u01b0\u01a1ng ph\u00e1p v\u00e0 h\u01b0\u1edbng d\u1eabn t\u1ed1t nh\u1ea5t<\/h2>\n
\n

\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u, h\u00e3y tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t d\u1ef1a tr\u00ean ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed sau:<\/p>\n

    \n
  • Ti\u1ebfn h\u00e0nh c\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1eadt li\u1ec7u, c\u00f3 t\u00ednh \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t (\u0111\u1ed3ng thau: 18-19 \u00d7 10^{-6}\/\u00b0C; nh\u1ef1a: 50-100 \u00d7 10^{-6}\/\u00b0C) \u0111\u1ec3 ng\u0103n ng\u1eeba \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/li>\n
  • Thi\u1ebft k\u1ebf c\u00e1c l\u1ed7 c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n 0,25-0,3 mm \u0111\u1ec3 t\u1ea1o \u0111\u1ed9 kh\u00edt ch\u1eb7t, k\u1ebft h\u1ee3p v\u1edbi g\u00f3c nghi\u00eang 0,5-2\u00b0 theo ti\u00eau chu\u1ea9n ISO 294-4 \u0111\u1ec3 b\u00f9 co ng\u00f3t.<\/li>\n
  • S\u1eed d\u1ee5ng m\u00f4 ph\u1ecfng FEA \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n s\u1ef1 ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t v\u00e0 ki\u1ec3m ch\u1ee9ng hi\u1ec7u su\u1ea5t c\u1ee7a \u0111ai \u1ed1c d\u01b0\u1edbi t\u1ea3i tr\u1ecdng.<\/li>\n
  • \u0110\u1ed1i v\u1edbi ph\u01b0\u01a1ng ph\u00e1p c\u1ea5y gh\u00e9p b\u1eb1ng si\u00eau \u00e2m, c\u1ea7n duy tr\u00ec t\u1ea7n s\u1ed1 20-40 kHz v\u00e0 bi\u00ean \u0111\u1ed9 10-50 \u03bcm \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh li\u1ec1n m\u1ea1ch kh\u00f4ng g\u00e2y t\u1ed5n h\u1ea1i.<\/li>\n
  • Th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng bao g\u1ed3m ki\u1ec3m tra m\u00f4-men xo\u1eafn (ISO 898) v\u00e0 \u0111\u00e1nh gi\u00e1 l\u1ef1c k\u00e9o (ASTM D638) \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ng\u01b0\u1ee1ng c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n

    Nh\u1eefng bi\u1ec7n ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t, gi\u1ea3m thi\u1ec3u l\u1ed7i v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd s\u1ea3n ph\u1ea9m trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<\/div>\n

    C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n
    \n

    S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111ai \u1ed1c ch\u00e8n s\u1eb5n v\u00e0 \u0111ai \u1ed1c ch\u00e8n sau khi \u0111\u00fac l\u00e0 g\u00ec?<\/h3>\n

    \u0110ai \u1ed1c \u0111\u01b0\u1ee3c g\u1eafn s\u1eb5n \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o khu\u00f4n tr\u01b0\u1edbc khi \u00e9p phun, t\u1ea1o th\u00e0nh li\u00ean k\u1ebft li\u1ec1n m\u1ea1ch. C\u00e1c lo\u1ea1i \u0111ai \u1ed1c \u0111\u01b0\u1ee3c g\u1eafn sau khi \u00e9p phun \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1eb1ng nhi\u1ec7t ho\u1eb7c s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 t\u0103ng t\u00ednh linh ho\u1ea1t trong s\u1ea3n xu\u1ea5t.<\/p>\n

    T\u00f4i n\u00ean ch\u1ecdn lo\u1ea1i \u0111ai \u1ed1c n\u00e0o cho c\u00e1c lo\u1ea1i nh\u1ef1a kh\u00f4ng k\u1ebft tinh nh\u01b0 PC?<\/h3>\n

    Ch\u1ecdn \u0111ai \u1ed1c c\u00f3 kh\u00eda h\u00ecnh cung ho\u1eb7c h\u00ecnh tr\u00f2n \u0111\u1ec3 tr\u00e1nh t\u1eadp trung \u1ee9ng su\u1ea5t. Th\u1ef1c hi\u1ec7n x\u1eed l\u00fd sau m\u1ea1 \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn m\u1ea1 \u0111i\u1ec7n \u0111\u1ec3 ng\u0103n ng\u1eeba n\u1ee9t do axit.<\/p>\n

    C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111ai \u1ed1c c\u00f3 ren b\u1eb1ng \u0111\u1ed3ng thau trong nh\u1ef1a nhi\u1ec7t r\u1eafn kh\u00f4ng?<\/h3>\n

    C\u00f3, nh\u01b0ng n\u00ean \u01b0u ti\u00ean lo\u1ea1i c\u00f3 kh\u00eda s\u1eafc ho\u1eb7c t\u1ef1 ren \u0111\u1ec3 \u00e9p tr\u1ef1c ti\u1ebfp, v\u00ec nh\u1ef1a nhi\u1ec7t r\u1eafn kh\u00f4ng tan ch\u1ea3y khi d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p n\u00f3ng ch\u1ea3y ho\u1eb7c si\u00eau \u00e2m.<\/p>\n

    Ph\u01b0\u01a1ng ph\u00e1p \u00e9p b\u1eb1ng s\u00f3ng si\u00eau \u00e2m c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m g\u00ec so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p \u00e9p n\u00f3ng?<\/h3>\n

    C\u00f4ng ngh\u1ec7 si\u00eau \u00e2m cung c\u1ea5p kh\u1ea3 n\u0103ng gia nhi\u1ec7t c\u1ee5c b\u1ed9, t\u1ea1o m\u1ed1i h\u00e0n t\u1ed1t h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n li\u00ean k\u1ebft cao h\u01a1n t\u1edbi 25%, gi\u1ea3m thi\u1ec3u h\u01b0 h\u1ea1i do nhi\u1ec7t \u0111\u1ed1i v\u1edbi nh\u1ef1a xung quanh.<\/p>\n

    L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu momen xo\u1eafn c\u1ee7a \u0111ai \u1ed1c ch\u00ecm?<\/h3>\n

    S\u1eed d\u1ee5ng thi\u1ebft k\u1ebf xo\u1eafn \u1ed1c ho\u1eb7c l\u1ee5c gi\u00e1c, l\u00e0m s\u00e2u th\u00eam c\u00e1c \u0111\u01b0\u1eddng kh\u00eda v\u00e0 \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc l\u1ed7 ph\u00f9 h\u1ee3p. Ki\u1ec3m \u0111\u1ecbnh \u0111\u1ed9 tin c\u1eady b\u1eb1ng c\u00e1c b\u00e0i ki\u1ec3m tra m\u00f4-men xo\u1eafn theo ti\u00eau chu\u1ea9n ISO 898.<\/p>\n<\/div>\n

     <\/p>","protected":false},"excerpt":{"rendered":"

    Introduction to Brass Insert Nuts Brass insert nuts, commonly referred to as embedded or threaded inserts, are essential components in plastic injection molding processes. These nuts provide robust, reusable threading in thermoplastic and thermoset materials, enhancing the mechanical strength and assembly capabilities of plastic parts. Manufactured primarily from brass for its excellent machinability, corrosion resistance, […]<\/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-5819","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\/5819","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=5819"}],"version-history":[{"count":4,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5819\/revisions"}],"predecessor-version":[{"id":5823,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5819\/revisions\/5823"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5819"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}