{"id":5843,"date":"2025-12-25T03:20:17","date_gmt":"2025-12-25T03:20:17","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5843"},"modified":"2025-12-25T03:20:17","modified_gmt":"2025-12-25T03:20:17","slug":"gb-t-24425-1-wire-thread-inserts-guide","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/gb-t-24425-1-wire-thread-inserts-guide\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn ch\u00e8n ren d\u00e2y GB\/T 24425.1"},"content":{"rendered":"

Gi\u1edbi thi\u1ec7u v\u1ec1 c\u00e1c lo\u1ea1i d\u00e2y ren ch\u00e8n<\/span><\/h2>\n

C\u00e1c chi ti\u1ebft ren d\u1ea1ng d\u00e2y, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 chi ti\u1ebft ren xo\u1eafn \u1ed1c ho\u1eb7c chi ti\u1ebft ren v\u00edt, l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o ch\u00ednh x\u00e1c nh\u1eb1m t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n, \u0111\u1ed9 ch\u1eafc ch\u1eafn v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c m\u1ed1i n\u1ed1i ren. C\u00e1c chi ti\u1ebft n\u00e0y l\u00e0 nh\u1eefng s\u1ee3i d\u00e2y \u0111\u01b0\u1ee3c cu\u1ed9n th\u00e0nh h\u00ecnh xo\u1eafn \u1ed1c, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o c\u00e1c l\u1ed7 ren \u0111\u1ec3 t\u1ea1o ra c\u00e1c ren b\u00ean trong ch\u1eafc ch\u1eafn. Ch\u00fang \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb trong vi\u1ec7c s\u1eeda ch\u1eefa c\u00e1c ren b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c gia c\u1ed1 c\u00e1c ren m\u1edbi trong c\u00e1c v\u1eadt li\u1ec7u d\u1ec5 b\u1ecb m\u00e0i m\u00f2n, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00f4m, magie, h\u1ee3p kim \u0111\u1ed3ng, nh\u1ef1a k\u1ef9 thu\u1eadt v\u00e0 kim lo\u1ea1i c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p. B\u1eb1ng c\u00e1ch cung c\u1ea5p gi\u1ea3i ph\u00e1p t\u1ea1o ren c\u00f3 \u0111\u1ed9 b\u1ec1n cao, ch\u1ed1ng m\u00e0i m\u00f2n, ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, c\u00e1c chi ti\u1ebft ren d\u1ea1ng d\u00e2y k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c c\u1ee5m l\u1eafp r\u00e1p v\u00e0 gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n

Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p m\u00e0 c\u00e1c chi ti\u1ebft l\u1eafp gh\u00e9p c\u00f3 ren \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u00f4 t\u00f4, \u0111i\u1ec7n t\u1eed v\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y m\u00f3c, c\u00e1c mi\u1ebfng ch\u00e8n ren d\u00e2y gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p nh\u01b0 tr\u01b0\u1ee3t ren, k\u1eb9t ren v\u00e0 \u0103n m\u00f2n. Ch\u00fang ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng \u0111\u1ec1u d\u1ecdc theo chi\u1ec1u d\u00e0i ren, gi\u1ea3m thi\u1ec3u s\u1ef1 t\u1eadp trung \u1ee9ng su\u1ea5t v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed1i n\u1ed1i. Theo ti\u00eau chu\u1ea9n GB\/T 24425.1-2009, c\u00e1c mi\u1ebfng ch\u00e8n n\u00e0y \u0111\u01b0\u1ee3c ti\u00eau chu\u1ea9n h\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n, \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c ren h\u1ec7 m\u00e9t t\u1eeb M2 \u0111\u1ebfn M39. Ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c mi\u1ebfng ch\u00e8n lo\u1ea1i th\u00f4ng d\u1ee5ng v\u1edbi bi\u00ean d\u1ea1ng \u0111\u1ed1i x\u1ee9ng, t\u1eadp trung v\u00e0o k\u00edch th\u01b0\u1edbc, dung sai v\u00e0 ti\u00eau ch\u00ed hi\u1ec7u su\u1ea5t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng qu\u1ed1c t\u1ebf. C\u00e1c k\u1ef9 s\u01b0 d\u1ef1a v\u00e0o c\u00e1c mi\u1ebfng ch\u00e8n n\u00e0y \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t ren v\u01b0\u1ee3t tr\u1ed9i m\u00e0 kh\u00f4ng l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tin c\u1eady cao.<\/p>\n

Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c chi ti\u1ebft ren b\u1eb1ng d\u00e2y kh\u00f4ng ch\u1ec9 gi\u00fap vi\u1ec7c s\u1eeda ch\u1eefa d\u1ec5 d\u00e0ng h\u01a1n m\u00e0 c\u00f2n cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u nh\u1eb9 h\u01a1n trong thi\u1ebft k\u1ebf, g\u00f3p ph\u1ea7n gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng trong c\u00e1c c\u1ea5u tr\u00fac nh\u01b0 m\u00e1y bay v\u00e0 xe c\u1ed9. T\u00ednh linh ho\u1ea1t c\u1ee7a ch\u00fang cho ph\u00e9p l\u1eafp \u0111\u1eb7t c\u1ea3 trong c\u00e1c l\u1ed7 k\u00edn v\u00e0 l\u1ed7 xuy\u00ean su\u1ed1t, v\u1edbi c\u00e1c t\u00f9y ch\u1ecdn lo\u1ea1i kh\u00f3a ho\u1eb7c lo\u1ea1i t\u1ef1 do \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3. Ph\u1ea7n gi\u1edbi thi\u1ec7u n\u00e0y \u0111\u1eb7t n\u1ec1n t\u1ea3ng cho vi\u1ec7c t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 ti\u00eau chu\u1ea9n, v\u1eadt li\u1ec7u, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 h\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n, gi\u00fap c\u00e1c chuy\u00ean gia l\u1ef1a ch\u1ecdn v\u00e0 tri\u1ec3n khai c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

T\u1ed5ng quan v\u1ec1 ti\u00eau chu\u1ea9n: GB\/T 24425.1-2009<\/h2>\n

Ti\u00eau chu\u1ea9n qu\u1ed1c gia Trung Qu\u1ed1c GB\/T 24425.1-2009 d\u00e0nh cho c\u00e1c lo\u1ea1i ren c\u1ea5y gh\u00e9p th\u00f4ng d\u1ee5ng, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf nh\u01b0 ISO 724 cho ren h\u1ec7 m\u00e9t. \u0110\u01b0\u1ee3c ban h\u00e0nh n\u0103m 2009, ti\u00eau chu\u1ea9n n\u00e0y quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi ren c\u1ea5y gh\u00e9p c\u00f3 \u0111\u01b0\u1eddng k\u00ednh ren danh ngh\u0129a t\u1eeb 2 mm \u0111\u1ebfn 39 mm v\u00e0 b\u01b0\u1edbc ren t\u1eeb 0,4 mm \u0111\u1ebfn 4 mm. Ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m c\u00e1c lo\u1ea1i ren c\u1ea5y gh\u00e9p \u0111\u1ed1i x\u1ee9ng th\u00f4ng th\u01b0\u1eddng, \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111\u1ed3ng nh\u1ea5t trong thi\u1ebft k\u1ebf, s\u1ea3n xu\u1ea5t v\u00e0 th\u1eed nghi\u1ec7m. N\u00f3 nh\u1ea5n m\u1ea1nh \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc, ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t ch\u1ee9c n\u0103ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o vi\u1ec7c gia c\u1ed1 v\u00e0 s\u1eeda ch\u1eefa ren \u0111\u00e1ng tin c\u1eady.<\/p>\n

C\u00e1c kh\u00eda c\u1ea1nh ch\u00ednh bao g\u1ed3m \u0111\u1ecbnh ngh\u0129a c\u00e1c th\u00f4ng s\u1ed1 h\u00ecnh h\u1ecdc nh\u01b0 \u0111\u01b0\u1eddng k\u00ednh v\u00f2ng d\u1eabn h\u01b0\u1edbng (F), \u0111\u01b0\u1eddng k\u00ednh tr\u1ea1ng th\u00e1i t\u1ef1 do (D_z), chi\u1ec1u d\u00e0i tay c\u1ea7m l\u1eafp \u0111\u1eb7t (T), v\u1ecb tr\u00ed r\u00e3nh ph\u00e1 v\u1ee1 (a) v\u00e0 b\u00e1n k\u00ednh cung chuy\u1ec3n ti\u1ebfp (R). C\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 ph\u00f9 h\u1ee3p v\u00e0 ch\u1ee9c n\u0103ng ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t. Ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh dung sai cho c\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y \u0111\u1ec3 ng\u0103n ng\u1eeba l\u1ed7i l\u1eafp \u0111\u1eb7t ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec7u su\u1ea5t. V\u00ed d\u1ee5, n\u00f3 y\u00eau c\u1ea7u c\u00e1c chi ti\u1ebft ch\u00e8n ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4-men xo\u1eafn v\u00e0 t\u1ea3i tr\u1ecdng k\u00e9o ra \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ed1i n\u1ed1i c\u00f3 \u0111\u1ed9 b\u1ec1n cao. Vi\u1ec7c tu\u00e2n th\u1ee7 GB\/T 24425.1 \u0111\u1ea3m b\u1ea3o c\u00e1c chi ti\u1ebft ch\u00e8n \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau ch\u00ed v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t l\u00ean \u0111\u1ebfn 425\u00b0C \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn th\u1ec3 th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c v\u1eadt li\u1ec7u ch\u1ee7 nh\u01b0 h\u1ee3p kim nh\u00f4m v\u00e0 nh\u1ef1a.<\/p>\n

Ti\u00eau chu\u1ea9n n\u00e0y t\u00edch h\u1ee3p v\u1edbi c\u00e1c t\u00e0i li\u1ec7u li\u00ean quan nh\u01b0 GB\/T 24425.2 d\u00e0nh cho c\u00e1c lo\u1ea1i ren l\u1ed7 k\u00edn v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho th\u01b0\u01a1ng m\u1ea1i v\u00e0 \u1ee9ng d\u1ee5ng to\u00e0n c\u1ea7u. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u01b0\u1ee3c n\u00eau r\u00f5, bao g\u1ed3m ki\u1ec3m tra tr\u1ef1c quan, \u0111o k\u00edch th\u01b0\u1edbc v\u00e0 ki\u1ec3m tra ch\u1ee9c n\u0103ng. \u0110\u1ed1i v\u1edbi c\u00e1c chuy\u00ean gia, vi\u1ec7c hi\u1ec3u GB\/T 24425.1 gi\u00fap l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m m\u1ed9t c\u00e1ch s\u00e1ng su\u1ed1t, \u0111\u1ea3m b\u1ea3o c\u00e1c chi ti\u1ebft ren gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd ren trong c\u00e1c \u1ee9ng d\u1ee5ng t\u1eeb m\u00e1y m\u00f3c \u0111\u1ebfn thi\u1ebft b\u1ecb y t\u1ebf. Ti\u00eau chu\u1ea9n n\u00e0y th\u00fac \u0111\u1ea9y c\u00e1c th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t trong thi\u1ebft k\u1ebf ren, gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 chi ph\u00ed li\u00ean quan \u0111\u1ebfn h\u1ecfng ren.<\/p>\n

V\u1eadt li\u1ec7u v\u00e0 t\u00ednh ch\u1ea5t<\/h2>\n

C\u00e1c lo\u1ea1i ren c\u1ea5y d\u1ea1ng d\u00e2y theo ti\u00eau chu\u1ea9n GB\/T 24425.1 ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bth\u00e9p kh\u00f4ng g\u1ec9 Austenit c\u1ea5p 304 (t\u01b0\u01a1ng \u0111\u01b0\u01a1ng AISI 304 ho\u1eb7c 1.4301), c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, d\u1ec5 t\u1ea1o h\u00ecnh v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi. Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u n\u00e0y bao g\u1ed3m crom 18% v\u00e0 niken 8%, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, bao g\u1ed3m ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t, \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao. Ti\u00eau chu\u1ea9n n\u00e0y c\u0169ng cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nh\u01b0 th\u00e9p kh\u00f4ng g\u1ec9 316 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong \u0111i\u1ec1u ki\u1ec7n bi\u1ec3n ho\u1eb7c axit, ho\u1eb7c Inconel cho c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu nhi\u1ec7t c\u1ef1c cao l\u00ean \u0111\u1ebfn 800\u00b0C.<\/p>\n

C\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a t\u1ea5m ch\u00e8n th\u00e9p kh\u00f4ng g\u1ec9 304 bao g\u1ed3m \u0111\u1ed9 b\u1ec1n k\u00e9o v\u01b0\u1ee3t qu\u00e1 1400 MPa, \u0111\u1ed9 c\u1ee9ng kho\u1ea3ng 425 HV v\u00e0 \u0111\u1ed9 gi\u00e3n d\u00e0i \u00edt nh\u1ea5t 8%, \u0111\u1ea3m b\u1ea3o ch\u00fang c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c t\u1ea3i tr\u1ecdng \u0111\u1ed9ng m\u00e0 kh\u00f4ng b\u1ecb g\u00e3y. Quy tr\u00ecnh k\u00e9o d\u00e2y ngu\u1ed9i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u1ea3n xu\u1ea5t mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi cao, l\u00e0m cho c\u00e1c t\u1ea5m ch\u00e8n tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u00f4i tr\u01b0\u1eddng d\u1ec5 b\u1ecb rung \u0111\u1ed9ng. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd b\u1ec1 m\u1eb7t, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u1ee5 \u0111\u1ed9ng h\u00f3a, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt li\u1ec7u n\u1ec1n phi kim lo\u1ea1i nh\u01b0 nh\u1ef1a, c\u00e1c t\u1ea5m ch\u00e8n ng\u0103n ng\u1eeba n\u1ee9t b\u1eb1ng c\u00e1ch ph\u00e2n b\u1ed1 \u1ee9ng su\u1ea5t \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n

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  • Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n: Ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0103n m\u00f2n r\u1ed7 trong m\u00f4i tr\u01b0\u1eddng ch\u1ee9a clorua.<\/li>\n
  • Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t: Ho\u1ea1t \u0111\u1ed9ng trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 t\u1eeb -200\u00b0C \u0111\u1ebfn 425\u00b0C m\u00e0 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n
  • Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n: M\u1eb7t c\u1eaft ngang h\u00ecnh kim c\u01b0\u01a1ng gi\u00fap gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t ren v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd ren.<\/li>\n
  • Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch: Th\u00edch h\u1ee3p cho nh\u00f4m, magie, \u0111\u1ed3ng, gang v\u00e0 c\u00e1c v\u1eadt li\u1ec7u composite.<\/li>\n<\/ul>\n

    Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p bao g\u1ed3m \u0111\u00e1nh gi\u00e1 c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng, y\u00eau c\u1ea7u t\u1ea3i tr\u1ecdng v\u00e0 t\u00ednh ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u n\u1ec1n. V\u00ed d\u1ee5, trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, h\u1ee3p kim g\u1ed1c niken c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u01b0u ti\u00ean v\u00ec kh\u1ea3 n\u0103ng ch\u1ed1ng bi\u1ebfn d\u1ea1ng d\u1ebbo. L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p theo ti\u00eau chu\u1ea9n GB\/T 24425.1 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t l\u00e2u d\u00e0i, gi\u1ea3m nguy c\u01a1 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a khi k\u1ebft h\u1ee3p v\u1edbi c\u00e1c kim lo\u1ea1i kh\u00e1c lo\u1ea1i.<\/p>\n

    Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 k\u00edch th\u01b0\u1edbc<\/h2>\n

    Ti\u00eau chu\u1ea9n GB\/T 24425.1 quy \u0111\u1ecbnh c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh x\u00e1c cho c\u00e1c chi ti\u1ebft ren d\u1ea1ng d\u00e2y, bao g\u1ed3m c\u00e1c k\u00edch th\u01b0\u1edbc ren t\u1eeb M2 \u0111\u1ebfn M39 v\u1edbi b\u01b0\u1edbc ren th\u00f4. K\u00edch th\u01b0\u1edbc \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o ren ch\u1ee7. C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh bao g\u1ed3m:<\/p>\n

    \n
    \n
    \n
    <\/div>\n<\/div>\n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Th\u00f4ng s\u1ed1 ren<\/th>\nP (B\u01b0\u1edbc ren, mm)<\/th>\nF Min (\u0110\u01b0\u1eddng k\u00ednh v\u00f2ng tr\u00f2n d\u1eabn h\u01b0\u1edbng)<\/th>\nF T\u1ed1i \u0111a<\/th>\nD_z Min (Free State Dia)<\/th>\nD_z Max<\/th>\nT Min (Chi\u1ec1u d\u00e0i tay c\u1ea7m)<\/th>\nT T\u1ed1i \u0111a<\/th>\nm\u1ed9t ph\u00fat (V\u1ecb tr\u00ed ph\u00e1 v\u1ee1 nh\u1ecbp \u0111i\u1ec7u)<\/th>\nm\u1ed9t Max<\/th>\nR Max (Cung chuy\u1ec3n ti\u1ebfp)<\/th>\n<\/tr>\n<\/thead>\n
    M2<\/td>\n0.4<\/td>\n–<\/td>\n–<\/td>\n2.53<\/td>\n2.63<\/td>\n1.6<\/td>\n2.0<\/td>\n0.4<\/td>\n0.8<\/td>\n0.2<\/td>\n<\/tr>\n
    M2.5<\/td>\n0.45<\/td>\n–<\/td>\n–<\/td>\n3.2<\/td>\n3.3<\/td>\n2.0<\/td>\n2.5<\/td>\n0.45<\/td>\n0.9<\/td>\n0.23<\/td>\n<\/tr>\n
    M3<\/td>\n0.5<\/td>\n–<\/td>\n–<\/td>\n3.8<\/td>\n3.95<\/td>\n2.4<\/td>\n3.0<\/td>\n0.5<\/td>\n1.0<\/td>\n0.25<\/td>\n<\/tr>\n
    M4<\/td>\n0.7<\/td>\n–<\/td>\n–<\/td>\n5.05<\/td>\n5.25<\/td>\n3.2<\/td>\n4.0<\/td>\n0.7<\/td>\n1.4<\/td>\n0.35<\/td>\n<\/tr>\n
    M5<\/td>\n0.8<\/td>\n–<\/td>\n–<\/td>\n6.25<\/td>\n6.5<\/td>\n4.0<\/td>\n5.0<\/td>\n0.8<\/td>\n1.6<\/td>\n0.4<\/td>\n<\/tr>\n
    M6<\/td>\n1<\/td>\n7.28<\/td>\n7.58<\/td>\n7.58<\/td>\n7.9<\/td>\n4.8<\/td>\n6.0<\/td>\n1<\/td>\n2<\/td>\n0.5<\/td>\n<\/tr>\n
    M7<\/td>\n1<\/td>\n8.28<\/td>\n8.58<\/td>\n8.58<\/td>\n8.9<\/td>\n5.6<\/td>\n7.0<\/td>\n1<\/td>\n2<\/td>\n0.5<\/td>\n<\/tr>\n
    M8<\/td>\n1.25<\/td>\n9.55<\/td>\n9.85<\/td>\n9.85<\/td>\n10.25<\/td>\n6.4<\/td>\n8.0<\/td>\n1.25<\/td>\n2.5<\/td>\n0.63<\/td>\n<\/tr>\n
    M10<\/td>\n1.5<\/td>\n11.82<\/td>\n12.1<\/td>\n12.1<\/td>\n12.6<\/td>\n8.0<\/td>\n10.0<\/td>\n1.5<\/td>\n3<\/td>\n0.75<\/td>\n<\/tr>\n
    M12<\/td>\n1.75<\/td>\n14.2<\/td>\n14.5<\/td>\n14.5<\/td>\n15.1<\/td>\n9.6<\/td>\n12.0<\/td>\n1.75<\/td>\n3.5<\/td>\n0.88<\/td>\n<\/tr>\n
    M14<\/td>\n2<\/td>\n16.47<\/td>\n16.87<\/td>\n16.87<\/td>\n17.57<\/td>\n11.2<\/td>\n14.0<\/td>\n2<\/td>\n4<\/td>\n1<\/td>\n<\/tr>\n
    M16<\/td>\n2<\/td>\n18.47<\/td>\n18.87<\/td>\n18.87<\/td>\n19.57<\/td>\n12.8<\/td>\n16.0<\/td>\n2<\/td>\n4<\/td>\n1<\/td>\n<\/tr>\n
    M18<\/td>\n2.5<\/td>\n21<\/td>\n21.4<\/td>\n21.4<\/td>\n22.2<\/td>\n14.4<\/td>\n18.0<\/td>\n2.5<\/td>\n5<\/td>\n1.25<\/td>\n<\/tr>\n
    M20<\/td>\n2.5<\/td>\n23.01<\/td>\n23.46<\/td>\n23.46<\/td>\n24.36<\/td>\n16<\/td>\n20<\/td>\n2.5<\/td>\n5<\/td>\n1.25<\/td>\n<\/tr>\n
    M22<\/td>\n2.5<\/td>\n25.01<\/td>\n25.61<\/td>\n25.61<\/td>\n26.51<\/td>\n17.6<\/td>\n22<\/td>\n2.5<\/td>\n5<\/td>\n1.25<\/td>\n<\/tr>\n
    M24<\/td>\n3<\/td>\n27.55<\/td>\n28.15<\/td>\n28.15<\/td>\n29.15<\/td>\n19.2<\/td>\n24<\/td>\n3<\/td>\n6<\/td>\n1.5<\/td>\n<\/tr>\n
    M27<\/td>\n3<\/td>\n30.55<\/td>\n31.15<\/td>\n31.15<\/td>\n32.15<\/td>\n21.6<\/td>\n27<\/td>\n3<\/td>\n6<\/td>\n1.5<\/td>\n<\/tr>\n
    M30<\/td>\n3.5<\/td>\n34.1<\/td>\n34.7<\/td>\n34.7<\/td>\n35.85<\/td>\n24<\/td>\n30<\/td>\n3.5<\/td>\n7<\/td>\n1.75<\/td>\n<\/tr>\n
    M33<\/td>\n3.5<\/td>\n37.09<\/td>\n37.7<\/td>\n37.7<\/td>\n38.85<\/td>\n26.4<\/td>\n33<\/td>\n3.5<\/td>\n7<\/td>\n1.75<\/td>\n<\/tr>\n
    M36<\/td>\n4<\/td>\n40.63<\/td>\n41.33<\/td>\n41.33<\/td>\n42.63<\/td>\n28.8<\/td>\n36<\/td>\n4<\/td>\n8<\/td>\n2<\/td>\n<\/tr>\n
    M39<\/td>\n4<\/td>\n43.63<\/td>\n44.33<\/td>\n44.33<\/td>\n45.63<\/td>\n31.2<\/td>\n39<\/td>\n4<\/td>\n8<\/td>\n2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    <\/div>\n<\/div>\n<\/div>\n<\/div>\n

    Chi\u1ec1u d\u00e0i \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh l\u00e0 b\u1ed9i s\u1ed1 c\u1ee7a \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a (d), v\u00ed d\u1ee5: 1d, 1,5d, 2d, 2,5d, 3d, \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0103n kh\u1edbp \u0111\u1ea7y \u0111\u1ee7. \u0110\u1ed1i v\u1edbi ren m\u1ecbn, c\u00e1c quy \u0111\u1ecbnh ri\u00eang trong c\u00e1c ti\u00eau chu\u1ea9n li\u00ean quan \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. Dung sai r\u1ea5t ch\u1eb7t ch\u1ebd \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c khi l\u1eafp gh\u00e9p, v\u1edbi \u0111\u01b0\u1eddng k\u00ednh khi kh\u00f4ng c\u00f3 v\u1eadt li\u1ec7u l\u1edbn h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi \u0111\u01b0\u1eddng k\u00ednh l\u1ed7 ch\u1ee7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp \u0111\u1eb7t ch\u1eafc ch\u1eafn. C\u00e1c k\u00edch th\u01b0\u1edbc n\u00e0y h\u01b0\u1edbng d\u1eabn vi\u1ec7c l\u1ef1a ch\u1ecdn d\u1ee5ng c\u1ee5 v\u00e0 chu\u1ea9n b\u1ecb l\u1ed7, ng\u0103n ng\u1eeba vi\u1ec7c l\u1eafp qu\u00e1 s\u00e2u ho\u1eb7c gi\u1eef kh\u00f4ng ch\u1eafc ch\u1eafn.<\/p>\n

    Tr\u00ean th\u1ef1c t\u1ebf, h\u00e3y ki\u1ec3m tra k\u00edch th\u01b0\u1edbc b\u1eb1ng th\u01b0\u1edbc k\u1eb9p ho\u1eb7c th\u01b0\u1edbc \u0111o \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t sau khi s\u1ea3n xu\u1ea5t. \u0110\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc t\u00f9y ch\u1ec9nh, h\u00e3y tham kh\u1ea3o c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng c\u1ee7a ti\u00eau chu\u1ea9n. Ph\u1ea7n n\u00e0y cung c\u1ea5p n\u1ec1n t\u1ea3ng k\u1ef9 thu\u1eadt \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c chi ti\u1ebft ch\u00e8n trong thi\u1ebft k\u1ebf, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t.<\/p>\n

    Ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t<\/h2>\n

    Vi\u1ec7c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch c\u00e1c chi ti\u1ebft ren d\u00e2y theo ti\u00eau chu\u1ea9n GB\/T 24425.1 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. Quy tr\u00ecnh n\u00e0y bao g\u1ed3m chu\u1ea9n b\u1ecb l\u1ed7 tr\u00ean v\u1eadt li\u1ec7u c\u1ea7n l\u1eafp \u0111\u1eb7t, \u0111\u01b0a chi ti\u1ebft ren v\u00e0o v\u00e0 b\u1ebb ph\u1ea7n tay c\u1ea7m (tay c\u1ea7m l\u1eafp \u0111\u1eb7t). C\u00e1c d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft bao g\u1ed3m c\u1edd l\u00ea tay, m\u00e1y l\u1eafp \u0111\u1eb7t \u0111i\u1ec7n ho\u1eb7c kh\u00ed n\u00e9n, v\u00e0 d\u1ee5ng c\u1ee5 b\u1ebb tay c\u1ea7m \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 trong s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn.<\/p>\n

      \n
    1. Chu\u1ea9n b\u1ecb l\u1ed7 khoan:<\/strong> Khoan v\u00e0 t\u1ea1o ren l\u1ed7 theo k\u00edch th\u01b0\u1edbc quy \u0111\u1ecbnh, th\u01b0\u1eddng l\u1edbn h\u01a1n \u0111\u01b0\u1eddng k\u00ednh t\u1ef1 do c\u1ee7a chi ti\u1ebft ch\u00e8n kho\u1ea3ng 0,1-0,2 mm \u0111\u1ec3 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u1eafc ch\u1eafn. S\u1eed d\u1ee5ng m\u0169i t\u1ea1o ren ti\u00eau chu\u1ea9n cho ren h\u1ec7 m\u00e9t, \u0111\u1ea3m b\u1ea3o v\u1ec7 sinh s\u1ea1ch s\u1ebd \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n.<\/li>\n
    2. Ch\u00e8n:<\/strong> V\u1eb7n ph\u1ea7n ch\u00e8n v\u00e0o d\u1ee5ng c\u1ee5 l\u1eafp \u0111\u1eb7t, c\u0103n ch\u1ec9nh ph\u1ea7n g\u1edd v\u1edbi r\u00e3nh c\u1ee7a tua v\u00edt. Xoay theo chi\u1ec1u kim \u0111\u1ed3ng h\u1ed3 v\u00e0o l\u1ed7 cho \u0111\u1ebfn khi ph\u1ea7n ch\u00e8n n\u1eb1m s\u00e2u h\u01a1n b\u1ec1 m\u1eb7t kho\u1ea3ng 0,25-0,5 v\u00f2ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 kh\u00edt.<\/li>\n
    3. Lo\u1ea1i b\u1ecf chu\u00f4i:<\/strong> S\u1eed d\u1ee5ng d\u00f9i ho\u1eb7c d\u1ee5ng c\u1ee5 t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 b\u1ebb ph\u1ea7n g\u1edd \u1edf ch\u1ed7 khuy\u1ebft, sau \u0111\u00f3 th\u00e1o n\u00f3 ra \u0111\u1ec3 tr\u00e1nh g\u00e2y c\u1ea3n tr\u1edf v\u1edbi bu l\u00f4ng.<\/li>\n
    4. \u0110i\u1ec1u tra:<\/strong> Ki\u1ec3m tra \u0111\u1ed9 to\u00e0n v\u1eb9n c\u1ee7a ren b\u1eb1ng th\u01b0\u1edbc \u0111o chu\u1ea9n; \u0111\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 bi\u1ebfn d\u1ea1ng ho\u1eb7c khe h\u1edf.<\/li>\n<\/ol>\n

      \u0110\u1ed1i v\u1edbi l\u1ed7 m\u00f9, h\u00e3y s\u1eed d\u1ee5ng m\u0169i taro \u0111\u00e1y v\u00e0 \u0111\u1ea3m b\u1ea3o chi\u1ec1u d\u00e0i c\u1ee7a chi ti\u1ebft ch\u00e8n cho ph\u00e9p \u0103n kh\u1edbp ho\u00e0n to\u00e0n m\u00e0 kh\u00f4ng b\u1ecb ch\u1ea1m \u0111\u00e1y. \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u m\u1ec1m, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i kho\u00e9t l\u1ed7 tr\u01b0\u1edbc khi l\u1eafp \u0111\u1eb7t. C\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n bao g\u1ed3m \u0111eo g\u0103ng tay khi x\u1eed l\u00fd c\u00e1c c\u1ea1nh s\u1eafc v\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t b\u00f4i tr\u01a1n cho c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 ma s\u00e1t cao. Vi\u1ec7c l\u1eafp \u0111\u1eb7t t\u1ef1 \u0111\u1ed9ng gi\u00fap t\u0103ng t\u00ednh nh\u1ea5t qu\u00e1n trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, gi\u1ea3m chi ph\u00ed nh\u00e2n c\u00f4ng v\u00e0 sai s\u00f3t. C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u01b0 v\u1eb7n l\u1ec7ch ren c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch c\u0103n ch\u1ec9nh c\u00e1c d\u1ee5ng c\u1ee5 vu\u00f4ng g\u00f3c. Tu\u00e2n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111\u1ea3m b\u1ea3o c\u00e1c chi ti\u1ebft ch\u00e8n cung c\u1ea5p \u0111\u1ed9 b\u1ec1n ren \u0111\u01b0\u1ee3c t\u0103ng c\u01b0\u1eddng, nh\u01b0 \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn b\u1eb1ng c\u00e1c th\u1eed nghi\u1ec7m k\u00e9o theo ti\u00eau chu\u1ea9n.<\/p>\n

      \u1ee8ng d\u1ee5ng v\u00e0 L\u1ee3i \u00edch<\/h2>\n

      C\u00e1c lo\u1ea1i ren c\u1ea5y b\u1eb1ng d\u00e2y kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi c\u00e1c m\u1ed1i n\u1ed1i ren \u0111\u00e1ng tin c\u1eady. Trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, ch\u00fang gia c\u01b0\u1eddng c\u00e1c c\u1ea5u tr\u00fac nh\u00f4m nh\u1eb9, ch\u1ed1ng rung \u0111\u1ed9ng v\u00e0 m\u1ecfi v\u1eadt li\u1ec7u. \u1ee8ng d\u1ee5ng trong ng\u00e0nh \u00f4 t\u00f4 bao g\u1ed3m c\u00e1c kh\u1ed1i \u0111\u1ed9ng c\u01a1 v\u00e0 v\u1ecf h\u1ed9p s\u1ed1, n\u01a1i ch\u00fang s\u1eeda ch\u1eefa c\u00e1c ren b\u1ecb h\u1ecfng v\u00e0 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 b\u1ec1n. Ng\u00e0nh \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c s\u1eed d\u1ee5ng ch\u00fang trong c\u00e1c v\u1ecf nh\u1ef1a, ng\u0103n ng\u1eeba s\u1ef1 m\u00e0i m\u00f2n ren do l\u1eafp r\u00e1p nhi\u1ec1u l\u1ea7n. C\u00e1c thi\u1ebft b\u1ecb y t\u1ebf s\u1eed d\u1ee5ng ch\u00fang cho c\u00e1c k\u1ebft n\u1ed1i v\u00f4 tr\u00f9ng, ch\u1ed1ng \u0103n m\u00f2n trong c\u00e1c thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p v\u00e0 d\u1ee5ng c\u1ee5.<\/p>\n

      C\u00e1c l\u1ee3i \u00edch bao g\u1ed3m:<\/p>\n

        \n
      • T\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh:<\/strong> T\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i l\u00ean \u0111\u1ebfn 50% \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n th\u1ea5p.<\/li>\n
      • Hi\u1ec7u qu\u1ea3 s\u1eeda ch\u1eefa:<\/strong> Kh\u00f4i ph\u1ee5c c\u00e1c ren b\u1ecb h\u1ecfng m\u00e0 kh\u00f4ng c\u1ea7n m\u1edf r\u1ed9ng l\u1ed7, gi\u00fap ti\u1ebft ki\u1ec7m c\u00e1c b\u1ed9 ph\u1eadn kh\u1ecfi b\u1ecb lo\u1ea1i b\u1ecf.<\/li>\n
      • Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n:<\/strong> C\u1ea5u tr\u00fac b\u1eb1ng th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n
      • Ti\u1ebft ki\u1ec7m chi ph\u00ed:<\/strong> Gi\u1ea3m th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 chi ph\u00ed thay th\u1ebf; cho ph\u00e9p s\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u c\u01a1 b\u1ea3n r\u1ebb h\u01a1n.<\/li>\n
      • T\u00ednh linh ho\u1ea1t:<\/strong> T\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u ch\u1ea5t li\u1ec7u kh\u00e1c nhau, bao g\u1ed3m kim lo\u1ea1i, nh\u1ef1a v\u00e0 v\u1eadt li\u1ec7u composite.<\/li>\n<\/ul>\n

        V\u1ec1 m\u1eb7t \u0111\u1ecbnh l\u01b0\u1ee3ng, c\u00e1c chi ti\u1ebft ch\u00e8n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu momen xo\u1eafn b\u1eb1ng c\u00e1ch ph\u00e2n b\u1ed5 l\u1ef1c \u0111\u1ec1u, theo ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m GB\/T 24425.1. Trong nh\u1ef1a k\u1ef9 thu\u1eadt, ch\u00fang ng\u0103n ng\u1eeba n\u1ee9t v\u1ee1 d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a momen xo\u1eafn. \u200b\u200b\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 cao nh\u01b0 tuabin, ch\u00fang duy tr\u00ec t\u00ednh to\u00e0n v\u1eb9n trong tr\u01b0\u1eddng h\u1ee3p ren ti\u00eau chu\u1ea9n b\u1ecb h\u1ecfng. Nh\u00ecn chung, c\u00e1c chi ti\u1ebft ch\u00e8n n\u00e0y t\u1ed1i \u01b0u h\u00f3a t\u00ednh linh ho\u1ea1t trong thi\u1ebft k\u1ebf, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00ednh b\u1ec1n v\u1eefng trong s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i.<\/p>\n

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

        V\u1eadt li\u1ec7u ch\u00ednh d\u00f9ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c chi ti\u1ebft ren ch\u00e8n theo ti\u00eau chu\u1ea9n GB\/T 24425.1 l\u00e0 g\u00ec?<\/h3>\n

        Ch\u1ee7 y\u1ebfu l\u00e0 th\u00e9p kh\u00f4ng g\u1ec9 304, c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n cao; c\u00e1c lo\u1ea1i th\u00e9p thay th\u1ebf nh\u01b0 316 c\u0169ng c\u00f3 s\u1eb5n cho c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u1ee5 th\u1ec3.<\/p>\n

        C\u00e1c chi ti\u1ebft ch\u00e8n ren b\u1eb1ng d\u00e2y kim lo\u1ea1i gi\u00fap c\u1ea3i thi\u1ec7n \u0111\u1ed9 b\u1ec1n c\u1ee7a ren nh\u01b0 th\u1ebf n\u00e0o?<\/h3>\n

        Ch\u00fang ph\u00e2n b\u1ed5 t\u1ea3i tr\u1ecdng \u0111\u1ed3ng \u0111\u1ec1u, gi\u1ea3m \u1ee9ng su\u1ea5t l\u00ean v\u1eadt li\u1ec7u n\u1ec1n v\u00e0 cung c\u1ea5p b\u1ec1 m\u1eb7t ren c\u1ee9ng h\u01a1n, t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng k\u00e9o ra l\u00ean \u0111\u1ebfn 50%.<\/p>\n

        C\u1ea7n nh\u1eefng d\u1ee5ng c\u1ee5 g\u00ec \u0111\u1ec3 l\u1eafp \u0111\u1eb7t?<\/h3>\n

        C\u00e1c d\u1ee5ng c\u1ee5 c\u01a1 b\u1ea3n bao g\u1ed3m m\u0169i khoan ren, tr\u1ee5c \u0111\u1ecbnh v\u1ecb v\u00e0 m\u0169i \u0111\u1ed9t b\u1ebb chu\u00f4i; c\u00e1c d\u1ee5ng c\u1ee5 \u0111i\u1ec7n c\u1ea7m tay d\u00f9ng trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n.<\/p>\n

        C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c mi\u1ebfng l\u00f3t n\u00e0y trong v\u1eadt li\u1ec7u nh\u1ef1a kh\u00f4ng?<\/h3>\n

        \u0110\u00fang v\u1eady, ch\u00fang gi\u00fap gia c\u01b0\u1eddng c\u00e1c s\u1ee3i trong nh\u1ef1a k\u1ef9 thu\u1eadt, ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng tu\u1ed9t ch\u1ec9 v\u00e0 cho ph\u00e9p s\u1eed d\u1ee5ng nhi\u1ec1u l\u1ea7n m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n

        Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a dao c\u1eaft th\u00e9p kh\u00f4ng g\u1ec9 304 l\u00e0 bao nhi\u00eau?<\/h3>\n

        T\u1eeb -200\u00b0C \u0111\u1ebfn 425\u00b0C, ph\u00f9 h\u1ee3p v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p; nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ee3p kim chuy\u00ean d\u1ee5ng.<\/p>\n

        L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn h\u1ec7 s\u1ed1 nh\u00e2n \u0111\u1ed9 d\u00e0i ch\u00ednh x\u00e1c (v\u00ed d\u1ee5: 1,5d)?<\/h3>\n

        D\u1ef1a tr\u00ean \u0111\u1ed9 s\u00e2u ti\u1ebfp x\u00fac c\u1ea7n thi\u1ebft; 1,5d cho t\u1ea3i tr\u1ecdng ti\u00eau chu\u1ea9n, l\u00ean \u0111\u1ebfn 3d cho c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng su\u1ea5t cao \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 b\u1ec1n.<\/p>","protected":false},"excerpt":{"rendered":"

        Introduction to Wire Thread Inserts Wire thread inserts, also known as helical coil inserts or screw thread inserts, are precision-engineered components designed to enhance the strength, durability, and reliability of threaded connections. These inserts are coiled wires formed into a helical shape that can be installed into tapped holes to create robust internal threads. They […]<\/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-5843","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\/5843","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=5843"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5843\/revisions"}],"predecessor-version":[{"id":5845,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5843\/revisions\/5845"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5843"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}