{"id":161,"date":"2026-04-17T03:53:40","date_gmt":"2026-04-17T03:53:40","guid":{"rendered":"https:\/\/auramaia.com\/deep-tech-nvh-reduction-and-casting-integrity\/"},"modified":"2026-08-24T09:30:39","modified_gmt":"2026-08-24T09:30:39","slug":"deep-tech-nvh-reduction-and-casting-integrity","status":"publish","type":"post","link":"https:\/\/www.auramaia.com\/vi\/deep-tech-nvh-reduction-and-casting-integrity\/","title":{"rendered":"C\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn \u2013 Gi\u1ea3m NVH v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng \u0111\u00fac"},"content":{"rendered":"

T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t NVH th\u00f4ng qua vi\u1ec7c s\u1ea3n xu\u1ea5t b\u1ed9 c\u00e2n b\u1eb1ng s\u00f3ng cho puli tr\u1ee5c khu\u1ef7u v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao<\/h2>\n

Ti\u1ebfng \u1ed3n, rung \u0111\u1ed9ng v\u00e0 \u0111\u1ed9 g\u1ed3 gh\u1ec1 (NVH) l\u00e0 nh\u1eefng ti\u00eau ch\u00ed ch\u00ednh \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i. Tr\u1ecdng t\u00e2m c\u1ee7a th\u00e1ch th\u1ee9c n\u00e0y ch\u00ednh l\u00e0 b\u1ed9 c\u00e2n b\u1eb1ng h\u00e0i c\u1ee7a r\u00f2ng r\u1ecdc tr\u1ee5c khu\u1ef7u \u2013 m\u1ed9t b\u1ed9 ph\u1eadn ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng ho\u00e0n h\u1ea3o trong d\u1ea3i t\u1ea7n s\u1ed1 r\u1ed9ng. \u0110\u1ed1i v\u1edbi c\u00e1c k\u1ef9 s\u01b0 v\u00e0 qu\u1ea3n l\u00fd \u0111\u1ed9i xe, m\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u t\u1ed1i \u0111a c\u00e1c rung \u0111\u1ed9ng ph\u1ee5 g\u00e2y \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 tho\u1ea3i m\u00e1i trong khoang h\u00e0nh kh\u00e1ch v\u00e0 l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 hao m\u00f2n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn. B\u00e0i vi\u1ebft n\u00e0y \u0111i s\u00e2u v\u00e0o c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c kim lo\u1ea1i h\u1ecdc v\u00e0 c\u01a1 h\u1ecdc c\u1ea7n thi\u1ebft \u0111\u1ec3 s\u1ea3n xu\u1ea5t m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean tr\u1ee5c, m\u00e0 c\u00f2n ch\u1ee7 \u0111\u1ed9ng qu\u1ea3n l\u00fd \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng h\u1ecdc c\u1ee7a \u0111\u1ed9ng c\u01a1 th\u00f4ng qua c\u00e1c k\u1ef9 thu\u1eadt \u0111\u00fac v\u00e0 c\u00e2n b\u1eb1ng ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng th\u00e0nh th\u1ea1o t\u1ea1i nh\u00e0 m\u00e1y s\u1ea3n xu\u1ea5t c\u1ee7a ch\u00fang t\u00f4i t\u1ea1i Trung Qu\u1ed1c.<\/p>\n

Vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a NVH \u0111\u00f2i h\u1ecfi b\u1ed9 c\u00e2n b\u1eb1ng h\u00e0i ph\u1ea3i c\u00f3 t\u00ednh \u0111\u1ed1i x\u1ee9ng quay ho\u00e0n h\u1ea3o v\u00e0 kh\u1ea3 n\u0103ng gi\u1ea3m ch\u1ea5n b\u1eb1ng v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac ti\u00ean ti\u1ebfn v\u00e0 c\u00e2n b\u1eb1ng \u0111\u1ed9ng theo ti\u00eau chu\u1ea9n G 1.5, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 ti\u1ebfng \u1ed3n \u0111\u1ed9ng c\u01a1 v\u00e0 rung \u0111\u1ed9ng k\u1ebft c\u1ea5u. M\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c c\u1ea3m bi\u1ebfn \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m v\u00e0 n\u00e2ng cao tr\u1ea3i nghi\u1ec7m l\u00e1i xe t\u1ed5ng th\u1ec3, khi\u1ebfn \u0111\u00e2y tr\u1edf th\u00e0nh m\u1ed9t n\u00e2ng c\u1ea5p quan tr\u1ecdng cho c\u1ea3 \u0111\u1ed9ng c\u01a1 diesel \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p.<\/strong><\/p>\n

R\u00f2ng r\u1ecdc c\u00e2n b\u1eb1ng h\u00e0i kh\u00f4ng c\u00e2n b\u1eb1ng \u1ea3nh h\u01b0\u1edfng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ebfn c\u00e1c c\u1ea3m bi\u1ebfn \u0111\u1ed9ng c\u01a1 v\u00e0 d\u1eef li\u1ec7u ECU?<\/h3>\n

M\u1ed9t r\u00f2ng r\u1ecdc c\u00e2n b\u1eb1ng h\u00e0i kh\u00f4ng c\u00e2n b\u1eb1ng s\u1ebd t\u1ea1o ra \u201cti\u1ebfng \u1ed3n t\u1ea7n s\u1ed1 cao\u201d trong d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 quay c\u1ee7a tr\u1ee5c khu\u1ef7u. C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111i\u1ec7n t\u1eed (ECU) hi\u1ec7n \u0111\u1ea1i d\u1ef1a v\u00e0o c\u1ea3m bi\u1ebfn v\u1ecb tr\u00ed tr\u1ee5c khu\u1ef7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh th\u1eddi \u0111i\u1ec3m phun nhi\u00ean li\u1ec7u v\u00e0 \u0111\u00e1nh l\u1eeda v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng microgi\u00e2y. Khi m\u1ed9t b\u1ed9 c\u00e2n b\u1eb1ng ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m g\u00e2y ra rung \u0111\u1ed9ng qu\u00e1 m\u1ee9c, c\u1ea3m bi\u1ebfn s\u1ebd ph\u00e1t hi\u1ec7n c\u00e1c dao \u0111\u1ed9ng t\u1ed1c \u0111\u1ed9 sai l\u1ec7ch, khi\u1ebfn ECU th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh th\u1eddi \u0111i\u1ec3m kh\u00f4ng c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng xe ch\u1ea1y kh\u00f4ng \u0111\u1ec1u khi d\u1eebng, gi\u1ea3m hi\u1ec7u su\u1ea5t ti\u00eau th\u1ee5 nhi\u00ean li\u1ec7u v\u00e0 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, xu\u1ea5t hi\u1ec7n c\u00e1c m\u00e3 l\u1ed7i \u201cb\u1ecb \u1ea3o\u201d v\u1ec1 s\u1ef1 c\u1ed1 \u0111\u00e1nh l\u1eeda m\u00e0 c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean kh\u00f3 ch\u1ea9n \u0111o\u00e1n, nh\u1ea5n m\u1ea1nh s\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a c\u00e1c linh ki\u1ec7n \u0111\u1ea1t ti\u00eau chu\u1ea9n OEM.<\/p>\n

Vai tr\u00f2 c\u1ee7a \u0111\u00fac kim lo\u1ea1i m\u00e0u trong thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i<\/h3>\n

Khi \u0111\u1ed9ng c\u01a1 ng\u00e0y c\u00e0ng tr\u1edf n\u00ean nh\u1eb9 h\u01a1n v\u00e0 nh\u1ecf g\u1ecdn h\u01a1n, nhu c\u1ea7u v\u1ec1 c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00fac kim lo\u1ea1i m\u00e0u c\u0169ng t\u0103ng l\u00ean. Trong khi v\u00f2ng qu\u00e1n t\u00ednh c\u1ee7a b\u1ed9 c\u00e2n b\u1eb1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng gang \u0111\u1ec3 t\u0103ng kh\u1ed1i l\u01b0\u1ee3ng, th\u00ec tr\u1ee5c trung t\u00e2m ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf b\u1eb1ng h\u1ee3p kim nh\u00f4m c\u00f3 \u0111\u1ed9 b\u1ec1n cao nh\u1eb1m gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng ph\u1ea7n \u0111\u1ea7u xe. X\u01b0\u1edfng \u0111\u00fac c\u1ee7a ch\u00fang t\u00f4i chuy\u00ean v\u1ec1 c\u00e1c thi\u1ebft k\u1ebf k\u1ebft h\u1ee3p n\u00e0y. Th\u00e1ch th\u1ee9c n\u1eb1m \u1edf s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t gi\u1eefa s\u1eaft v\u00e0 nh\u00f4m. \u0110\u1ed9i ng\u0169 ODM c\u1ee7a ch\u00fang t\u00f4i s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng nhi\u1ec7t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ef1 kh\u00edt ch\u1eb7t v\u1eabn \u1ed5n \u0111\u1ecbnh trong su\u1ed1t c\u00e1c chu k\u1ef3 nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1, ng\u0103n ch\u1eb7n tr\u1ee5c trung t\u00e2m b\u1ecb l\u1ecfng ho\u1eb7c li\u00ean k\u1ebft cao su b\u1ecb \u0111\u1ee9t do \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/p>\n

C\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e1nh gi\u00e1 c\u00e2n b\u1eb1ng \u0111\u1ed9ng: Auramaia so v\u1edbi ng\u00e0nh<\/h3>\n

C\u00e2n b\u1eb1ng \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb gam-milim\u00e9t tr\u00ean kil\u00f4gam (g\u00b7mm\/kg). Con s\u1ed1 c\u00e0ng nh\u1ecf th\u00ec b\u1ed9 ph\u1eadn \u0111\u00f3 c\u00e0ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n\n\n\n
T\u1ea7ng \u1ee9ng d\u1ee5ng<\/td>\nL\u1edbp c\u00e2n b\u1eb1ng (ISO 1940)<\/td>\nM\u1ee9c m\u1ea5t c\u00e2n b\u1eb1ng t\u1ed1i \u0111a cho ph\u00e9p<\/td>\nPh\u1ea3n h\u1ed3i t\u1eeb \u0111\u1ed9ng c\u01a1<\/td>\n<\/tr>\n
Auramaia Precision<\/td>\nG 1,5<\/td>\n0,5 g\u00b7mm\/kg<\/td>\nHo\u1ea1t \u0111\u1ed9ng c\u1ef1c k\u1ef3 \u00eam \u00e1i; tu\u1ed5i th\u1ecd \u1ed5 tr\u1ee5c \u0111\u01b0\u1ee3c k\u00e9o d\u00e0i<\/td>\n<\/tr>\n
OEM ti\u00eau chu\u1ea9n<\/td>\nG 2,5<\/td>\n1,0 g\u00b7mm\/kg<\/td>\n\u0110\u1ed1i t\u01b0\u1ee3ng l\u00e0 h\u1ea7u h\u1ebft c\u00e1c xe t\u1ea3i h\u1ea1ng n\u1eb7ng<\/td>\n<\/tr>\n
Ph\u1ee5 t\u00f9ng thay th\u1ebf th\u00f4ng th\u01b0\u1eddng<\/td>\nG 6.3<\/td>\n2,5 g\u00b7mm\/kg<\/td>\nRung l\u1eafc r\u00f5 r\u1ec7t; m\u1ee9c \u0111\u1ed9 m\u00e0i m\u00f2n t\u0103ng cao<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ngu\u1ed3n: T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n h\u00f3a Qu\u1ed1c t\u1ebf (ISO) 1940-1 \u2013 Ti\u00eau chu\u1ea9n v\u1ec1 rung \u0111\u1ed9ng.<\/p>\n

Ki\u1ec3m tra th\u00f4ng qua th\u1eed nghi\u1ec7m m\u1ecfi<\/h3>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ed9 c\u00e2n b\u1eb1ng h\u00e0i h\u00f2a \u00f4 t\u00f4 c\u1ee7a ch\u00fang t\u00f4i c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng \u0111\u01b0\u1ee3c su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng, ch\u00fang t\u00f4i ti\u1ebfn h\u00e0nh th\u1eed nghi\u1ec7m m\u1ecfi gia t\u1ed1c \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh. C\u00e1c bu\u1ed3ng th\u1eed nghi\u1ec7m m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang t\u00f4i m\u00f4 ph\u1ecfng \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp x\u00fac trong nhi\u1ec1u n\u0103m v\u1edbi mu\u1ed1i \u0111\u01b0\u1eddng, d\u1ea7u v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c cao, trong khi m\u1ed9t b\u1ed9 truy\u1ec1n \u0111\u1ed9ng th\u1ee7y l\u1ef1c t\u00e1c \u0111\u1ed9ng c\u00e1c t\u1ea3i tr\u1ecdng dao \u0111\u1ed9ng l\u00ean b\u1ed9 c\u00e2n b\u1eb1ng. Ch\u00fang t\u00f4i kh\u00f4ng ch\u1ec9 ch\u1edd \u0111\u1ee3i cho \u0111\u1ebfn khi b\u1ed9 ph\u1eadn b\u1ecb h\u1ecfng; ch\u00fang t\u00f4i ph\u00e2n t\u00edch c\u1ea5u tr\u00fac ph\u00e2n t\u1eed c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00e0n h\u1ed3i sau khi th\u1eed nghi\u1ec7m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng suy gi\u1ea3m li\u00ean k\u1ebft ch\u00e9o. C\u00e1ch ti\u1ebfp c\u1eadn d\u1ef1a tr\u00ean d\u1eef li\u1ec7u n\u00e0y ch\u00ednh l\u00e0 l\u00fd do t\u1ea1i sao c\u00e1c puli tr\u1ee5c khu\u1ef7u c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1ed9i mua s\u1eafm \u0111\u1ed9i xe tin t\u01b0\u1edfng, nh\u1eefng ng\u01b0\u1eddi \u01b0u ti\u00ean \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i h\u01a1n l\u00e0 chi ph\u00ed mua ban \u0111\u1ea7u.<\/p>","protected":false},"excerpt":{"rendered":"

Optimizing NVH Performance through High-Precision Crank Pulley Harmonic Balancer Manufacturing Noise, Vibration, and Harshness (NVH) are the primary metrics by which modern engine quality is judged. At the center of this challenge is the crank pulley harmonic balancer, a component that must [\u2026]<\/p>\n","protected":false},"author":0,"featured_media":162,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23,24],"tags":[],"class_list":["post-161","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crankshaft-damper","category-technical-center"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/posts\/161","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/comments?post=161"}],"version-history":[{"count":1,"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/posts\/161\/revisions"}],"predecessor-version":[{"id":359,"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/posts\/161\/revisions\/359"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/media\/162"}],"wp:attachment":[{"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/media?parent=161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/categories?post=161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.auramaia.com\/vi\/wp-json\/wp\/v2\/tags?post=161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}