{"id":1699,"date":"2024-11-13T03:29:17","date_gmt":"2024-11-13T03:29:17","guid":{"rendered":"https:\/\/www.china-rkm.com\/?p=1699"},"modified":"2024-11-13T03:30:21","modified_gmt":"2024-11-13T03:30:21","slug":"nghien-cuu-phat-trien-may-duoi-day","status":"publish","type":"post","link":"https:\/\/www.china-rkm.com\/vi\/wire-straightening-machines-research-development\/","title":{"rendered":"M\u00e1y du\u1ed7i d\u00e2y: Nghi\u00ean c\u1ee9u l\u00fd thuy\u1ebft v\u00e0 ph\u00e1t tri\u1ec3n m\u00f4 h\u00ecnh"},"content":{"rendered":"

M\u00e1y du\u1ed7i d\u00e2y: Nghi\u00ean c\u1ee9u l\u00fd thuy\u1ebft v\u00e0 ph\u00e1t tri\u1ec3n m\u00f4 h\u00ecnh<\/h1><\/div>

Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c, vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 th\u1eb3ng c\u1ee7a thanh v\u00e0 d\u00e2y th\u00e9p l\u00e0 r\u1ea5t quan tr\u1ecdng. C\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 thanh, \u1ed1ng v\u00e0 que th\u00e9p th\u01b0\u1eddng \u0111\u00f2i h\u1ecfi quy tr\u00ecnh n\u1eafn th\u1eb3ng \u0111\u1ec3 kh\u1eafc ph\u1ee5c c\u00e1c khuy\u1ebft t\u1eadt do nhi\u1ec1u k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t kh\u00e1c nhau g\u00e2y ra, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u00e9o ho\u1eb7c c\u00e1n. M\u1eb7c d\u00f9 c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i \u0111\u00e3 ti\u1ebfn b\u1ed9 \u0111\u00e1ng k\u1ec3, nh\u01b0ng th\u00e1ch th\u1ee9c trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 th\u1eb3ng ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c thanh d\u00e0i v\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf v\u1eabn c\u00f2n t\u1ed3n t\u1ea1i. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fd do m\u00e1y du\u1ed7i th\u1eb3ng d\u00e2y<\/a> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng. Hi\u1ec3u \u0111\u01b0\u1ee3c n\u1ec1n t\u1ea3ng l\u00fd thuy\u1ebft c\u1ee7a nh\u1eefng c\u1ed7 m\u00e1y n\u00e0y v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t.<\/p>\n

\"M\u00e1y<\/p>\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c n\u1eafn th\u1eb3ng trong s\u1ea3n xu\u1ea5t<\/h3>\n

Nhu c\u1ea7u n\u1eafn th\u1eb3ng xu\u1ea5t ph\u00e1t t\u1eeb nh\u1eefng khi\u1ebfm khuy\u1ebft v\u1ed1n c\u00f3 c\u1ee7a c\u00e1c thanh th\u00e9p \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t th\u00f4ng qua c\u00e1c quy tr\u00ecnh nh\u01b0 k\u00e9o v\u00e0 c\u00e1n. \u0110\u1ed9 th\u1eb3ng c\u1ee7a c\u00e1c thanh th\u00e9p n\u00e0y th\u01b0\u1eddng b\u1ecb \u1ea3nh h\u01b0\u1edfng, d\u1eabn \u0111\u1ebfn c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m v\u00e0 qu\u00e1 tr\u00ecnh gia c\u00f4ng ti\u1ebfp theo. N\u1eafn th\u1eb3ng c\u00e1n ngang, u\u1ed1n d\u1ebbo v\u00e0 u\u1ed1n ng\u01b0\u1ee3c l\u00e0 nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y m\u00f3c hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y. C\u00e1c nguy\u00ean l\u00fd l\u00fd thuy\u1ebft chi ph\u1ed1i c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, ch\u1eb3ng h\u1ea1n nh\u01b0 \u1ee9ng d\u1ee5ng m\u00f4 men u\u1ed1n v\u00e0 \u0111\u1ed9 cong thu \u0111\u01b0\u1ee3c, l\u00e0 r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c m\u00e1y m\u00f3c gi\u00fap kh\u00f4i ph\u1ee5c thanh th\u00e9p v\u1ec1 h\u00ecnh d\u1ea1ng v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt mong mu\u1ed1n.<\/p>\n

V\u00ec vi\u1ec7c n\u1eafn th\u1eb3ng thanh th\u00e9p \u0111\u00f2i h\u1ecfi c\u00e1c thao t\u00e1c u\u1ed1n v\u00e0 du\u1ed7i, y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t l\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a con l\u0103n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Con l\u0103n trong c\u00e1c m\u00e1y nh\u01b0 m\u00e1y n\u1eafn th\u1eb3ng tr\u1ee5c ngang v\u00e0 m\u00e1y n\u1eafn th\u1eb3ng tr\u1ee5c xi\u00ean ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o u\u1ed1n hi\u1ec7u qu\u1ea3 v\u00e0 gi\u1ea3m thi\u1ec3u bi\u1ebfn d\u1ea1ng. Nghi\u00ean c\u1ee9u v\u1ec1 h\u00ecnh d\u1ea1ng con l\u0103n, ch\u1eb3ng h\u1ea1n nh\u01b0 nghi\u00ean c\u1ee9u c\u1ee7a Li v\u00e0 c\u1ed9ng s\u1ef1, \u0111\u00e3 cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft qu\u00fd gi\u00e1 v\u1ec1 vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 cong ch\u00ednh x\u00e1c v\u00e0 c\u1ea3i thi\u1ec7n to\u00e0n b\u1ed9 quy tr\u00ecnh n\u1eafn th\u1eb3ng.<\/p>\n

Vai tr\u00f2 c\u1ee7a con l\u0103n v\u00e0 quy tr\u00ecnh du\u1ed7i th\u1eb3ng<\/h3>\n

In bar straightening, the rollers’ design is of paramount importance. The profile of the rollers determines how the bars are bent and unbent, which affects the final straightness. The rollers used in cross-roll straightening machines, for example, are often skewed to achieve optimal results. Skew-roll machines, such as six-roll and multi-staggered roll designs, allow for better control over the bending and unbending process, distributing the forces more evenly across the bar.<\/p>\n

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C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 nghi\u00ean c\u1ee9u nhi\u1ec1u thi\u1ebft k\u1ebf con l\u0103n kh\u00e1c nhau v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u00fang \u0111\u1ebfn hi\u1ec7u qu\u1ea3 n\u1eafn th\u1eb3ng. V\u00ed d\u1ee5, m\u00e1y n\u1eafn th\u1eb3ng s\u00e1u con l\u0103n s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf s\u1eafp x\u1ebfp con l\u0103n xi\u00ean cho ph\u00e9p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ed9 cong c\u1ee7a thanh. Kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh g\u00f3c gi\u1eefa con l\u0103n \u0111\u1ee1 v\u00e0 con l\u0103n t\u1ea3i cho ph\u00e9p t\u00f9y ch\u1ec9nh d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 th\u1eb3ng mong mu\u1ed1n, gi\u00fap lo\u1ea1i m\u00e1y n\u00e0y linh ho\u1ea1t cho c\u00e1c k\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea5u h\u00ecnh thanh kh\u00e1c nhau.<\/p>\n

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H\u01a1n n\u1eefa, vi\u1ec7c \u00e1p d\u1ee5ng h\u1ec7 th\u1ed1ng n\u1eafn th\u1eb3ng kh\u00f3a d\u1eebng v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n n\u1eafn th\u1eb3ng nhi\u1ec1u b\u01b0\u1edbc (MSSC) \u0111\u00e3 c\u1ea3i thi\u1ec7n c\u1ea3 t\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a quy tr\u00ecnh n\u1eafn th\u1eb3ng. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u sai s\u1ed1 v\u1ec1 \u0111\u1ed9 th\u1eb3ng v\u00e0 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a th\u00e0nh ph\u1ea9m, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi c\u00e1c thanh th\u00e9p l\u1edbn h\u01a1n v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ch\u1ecbu t\u1ea3i n\u1eb7ng.<\/p>\n

\u1ee8ng su\u1ea5t d\u01b0 v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang<\/h3>\n

M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a thanh th\u00e9p th\u1eb3ng l\u00e0 \u1ee9ng su\u1ea5t d\u01b0 sinh ra trong qu\u00e1 tr\u00ecnh gia c\u00f4ng. \u1ee8ng su\u1ea5t d\u01b0 c\u00f3 th\u1ec3 l\u00e0m bi\u1ebfn d\u1ea1ng h\u00ecnh d\u1ea1ng c\u1ee7a thanh th\u00e9p, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3 trong c\u00e1c quy tr\u00ecnh ti\u1ebfp theo. Th\u00f4ng qua m\u00f4 h\u00ecnh s\u1ed1 ti\u00ean ti\u1ebfn v\u00e0 ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA), c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n v\u00e0 ph\u00e2n t\u00edch s\u1ef1 ph\u00e2n b\u1ed1 c\u1ee7a c\u00e1c \u1ee9ng su\u1ea5t n\u00e0y, \u0111\u1ed3ng th\u1eddi ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n

Ph\u00e2n t\u00edch \u1ee9ng su\u1ea5t d\u01b0 l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng tr\u1ee5c c\u00e1n, trong \u0111\u00f3 vi\u1ec7c u\u1ed1n cong thanh th\u00e9p li\u00ean t\u1ee5c t\u1ea1o ra \u1ee9ng su\u1ea5t b\u00ean trong c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 th\u1eb3ng. B\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a bi\u00ean d\u1ea1ng con l\u0103n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 nh\u01b0 g\u00f3c con l\u0103n, c\u00f3 th\u1ec3 gi\u1ea3m \u1ee9ng su\u1ea5t d\u01b0 v\u00e0 c\u1ea3i thi\u1ec7n \u0111\u1ed9 th\u1eb3ng c\u1ee7a thanh th\u00e9p, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1t h\u01a1n trong c\u00e1c giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t ti\u1ebfp theo.<\/p>\n

C\u00e1c c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng v\u00e0 FEA \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh l\u00e0 v\u00f4 c\u00f9ng h\u1eefu \u00edch trong vi\u1ec7c hi\u1ec3u \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng thanh v\u00e0 d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea3i kh\u00e1c nhau. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u nh\u01b0 Mutrux v\u00e0 c\u1ed9ng s\u1ef1 \u0111\u00e3 s\u1eed d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt m\u00f4 ph\u1ecfng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n \u0111\u1ed9 cong gi\u1ea3m trong qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng c\u00e1n ngang, gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh n\u1eafn th\u1eb3ng v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n.<\/p>\n

M\u00f4 h\u00ecnh l\u00fd thuy\u1ebft v\u00e0 s\u1ed1 trong vi\u1ec7c n\u1eafn th\u1eb3ng thanh<\/h3>\n

The advancement of theoretical and numerical models in bar straightening has been crucial for improving machine designs and processes. Researchers have used mathematical models to predict how different bar geometries and roller configurations will affect the straightening process. These models consider factors such as material properties, strain-hardening, and the Bauschinger effect, which describes the material’s response to reversed loading.<\/p>\n

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Nh\u1edd m\u00f4 ph\u1ecfng ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n, vi\u1ec7c nghi\u00ean c\u1ee9u \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1ch b\u1ed1 tr\u00ed con l\u0103n v\u00e0 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u l\u00ean qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng \u0111\u00e3 tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. V\u00ed d\u1ee5, m\u00f4 ph\u1ecfng c\u00f3 th\u1ec3 d\u1ef1 \u0111o\u00e1n g\u00f3c t\u1ed1i \u01b0u cho con l\u0103n trong m\u00e1y n\u1eafn th\u1eb3ng tr\u1ee5c ngang, gi\u00fap t\u1ed1i \u0111a h\u00f3a \u0111\u1ed9 th\u1eb3ng \u0111\u1ed3ng th\u1eddi gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u.<\/p>\n

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RKM’s Wire Straightening Machines: Precision and Innovation<\/h3>\n

RKM d\u1eabn \u0111\u1ea7u c\u00f4ng ngh\u1ec7 n\u1eafn th\u1eb3ng d\u00e2y, k\u1ebft h\u1ee3p nh\u1eefng ti\u1ebfn b\u1ed9 m\u1edbi nh\u1ea5t trong thi\u1ebft k\u1ebf v\u00e0 k\u1ef9 thu\u1eadt ch\u00e2u \u00c2u. M\u00e1y n\u1eafn th\u1eb3ng d\u00e2y c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt ti\u00ean ti\u1ebfn, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 b\u1ec1n cao trong qu\u00e1 tr\u00ecnh n\u1eafn th\u1eb3ng. D\u00f9 l\u00e0 thanh tr\u00f2n \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf, d\u1ea7m k\u1ebft c\u1ea5u l\u1edbn hay v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c cao, RKM \u0111\u1ec1u cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p kh\u1eaft khe nh\u1ea5t.<\/p>\n

M\u00e1y c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh con l\u0103n ti\u00ean ti\u1ebfn v\u00e0 c\u1ea5u h\u00ecnh \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 mang l\u1ea1i k\u1ebft qu\u1ea3 n\u1eafn th\u1eb3ng t\u1ed1i \u01b0u cho nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u. V\u1edbi c\u00e1c t\u00ednh n\u0103ng nh\u01b0 h\u1ec7 th\u1ed1ng con l\u0103n xi\u00ean v\u00e0 con l\u0103n nhi\u1ec1u t\u1ea7ng, m\u00e1y n\u1eafn th\u1eb3ng d\u00e2y c\u1ee7a RKM mang \u0111\u1ebfn kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t v\u01b0\u1ee3t tr\u1ed9i \u0111\u1ed1i v\u1edbi qu\u00e1 tr\u00ecnh u\u1ed1n v\u00e0 du\u1ed7i, gi\u1ea3m thi\u1ec3u \u1ee9ng su\u1ea5t d\u01b0 v\u00e0 t\u1ed1i \u0111a h\u00f3a ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/p>\n

Vi\u1ec7c t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n n\u1eafn th\u1eb3ng \u0111a b\u01b0\u1edbc (MSSC) v\u00e0 c\u01a1 ch\u1ebf kh\u00f3a d\u1eebng c\u1ee7a RKM \u0111\u1ea3m b\u1ea3o m\u00e1y m\u00f3c c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u1eed l\u00fd s\u1ea3n xu\u1ea5t t\u1ed1c \u0111\u1ed9 cao trong khi v\u1eabn duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ea7n thi\u1ebft trong s\u1ea3n xu\u1ea5t hi\u1ec7n \u0111\u1ea1i. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00e1c c\u1ea3i ti\u1ebfn c\u1ee7a ch\u00e2u \u00c2u, RKM cung c\u1ea5p c\u00e1c m\u00e1y m\u00f3c gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh, gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ed3ng \u0111\u1ec1u, ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111ang t\u00ecm c\u00e1ch c\u1ea3i ti\u1ebfn ho\u1ea1t \u0111\u1ed9ng n\u1eafn th\u1eb3ng thanh th\u00e9p, RKM cung c\u1ea5p s\u1ef1 k\u1ebft h\u1ee3p ho\u00e0n h\u1ea3o gi\u1eefa c\u00f4ng ngh\u1ec7, hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady. H\u00e3y ch\u1ecdn m\u00e1y n\u1eafn th\u1eb3ng d\u00e2y th\u00e9p c\u1ee7a RKM \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 th\u1eb3ng v\u01b0\u1ee3t tr\u1ed9i v\u00e0 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng quy tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a b\u1ea1n.<\/p>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":1705,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_joinchat":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-en"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t