{"id":19829,"date":"2022-06-09T07:50:08","date_gmt":"2022-06-09T07:50:08","guid":{"rendered":"http:\/\/dgbellvietnam.com\/salt-spray-test-and-standards-part-2\/"},"modified":"2024-10-25T14:41:25","modified_gmt":"2024-10-25T07:41:25","slug":"salt-spray-test-and-standards-part-2","status":"publish","type":"post","link":"https:\/\/dgbellvietnam.com\/en\/salt-spray-test-and-standards-part-2\/","title":{"rendered":"C\u00e1c ti\u00eau chu\u1ea9n v\u00e0 th\u1eed nghi\u1ec7m phun mu\u1ed1i \u2013 Ph\u1ea7n 2"},"content":{"rendered":"
\n

3.2 Volkswagen ti\u00eau chu\u1ea9n PV 1210<\/span><\/span><\/span><\/h2>\n

PV 1210 l\u00e0 ti\u00eau chu\u1ea9n <\/span><\/span>\u0103n m\u00f2n phun mu\u1ed1i<\/span><\/span><\/a> tu\u1ea7n ho\u00e0n cho th\u00e2n xe v\u00e0 ph\u1ee5 ki\u1ec7n c\u1ee7a Volkswagen AG, v\u00e0 l\u00e0 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m \u0103n m\u00f2n tu\u1ea7n ho\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho vi\u1ec7c ph\u00e1t hi\u1ec7n \u0103n m\u00f2n c\u1ee7a th\u00e2n xe ph\u1ee7, t\u1ea5m th\u00e2n xe, c\u00e1c th\u00e0nh ph\u1ea7n c\u1ea5u tr\u00fac v\u00e0 c\u00e1c m\u1eabu th\u1eed nghi\u1ec7m kh\u00e1c.<\/span><\/span><\/p>\n

Th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c chia th\u00e0nh ba giai \u0111o\u1ea1n: phun mu\u1ed1i, b\u1ea3o qu\u1ea3n kh\u00ed h\u1eadu ti\u00eau chu\u1ea9n v\u00e0 b\u1ea3o qu\u1ea3n \u1ea9m v\u00e0 n\u00f3ng. Phun mu\u1ed1i theo ph\u01b0\u01a1ng ph\u00e1p NSS trong ti\u00eau chu\u1ea9n DIN 50021, v\u1edbi n\u1ed3ng \u0111\u1ed9 kh\u1ed1i l\u01b0\u1ee3ng NaCl l\u00e0 (50 \u00b1 5) g\/l v\u00e0 th\u1eddi gian phun l\u00e0 4 gi\u1edd; Gi\u1eef kh\u00ed h\u1eadu ti\u00eau chu\u1ea9n trong 4 gi\u1edd trong \u0111i\u1ec1u ki\u1ec7n 23\/50-2 trong ti\u00eau chu\u1ea9n DIN 50014; B\u1ea3o qu\u1ea3n \u01b0\u1edbt v\u00e0 n\u00f3ng trong \u0111i\u1ec1u ki\u1ec7n tr\u1ea1ng th\u00e1i kh\u00f4ng \u0111\u1ed5i (KK) trong ti\u00eau chu\u1ea9n DIN 50017 (40+3) \u2103 v\u00e0 \u0111\u1ed9 \u1ea9m 100% trong 16 gi\u1edd. Sau 5 chu k\u1ef3, b\u1ea3o qu\u1ea3n trong kh\u00ed h\u1eadu ti\u00eau chu\u1ea9n trong 2 ng\u00e0y tr\u01b0\u1edbc khi ti\u1ebfp t\u1ee5c.<\/span><\/span><\/p>\n

C\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m trong 15, 30, 60 ho\u1eb7c 90 chu k\u1ef3, sau \u0111\u00f3 \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n c\u1ee7a m\u1eabu, bao g\u1ed3m lo\u1ea1i \u0103n m\u00f2n (\u0103n m\u00f2n l\u1edbp ph\u1ee7 ho\u1eb7c \u0103n m\u00f2n n\u1ec1n), h\u00ecnh th\u1ee9c \u0103n m\u00f2n (\u0103n m\u00f2n m\u1eb7t ph\u1eb3ng ho\u1eb7c \u0103n m\u00f2n c\u1ea1nh) v\u00e0 ti\u1ebfn tr\u00ecnh \u0103n m\u00f2n (gi\u1ea3m \u0111\u1ed9 b\u00e1m d\u00ednh, c\u00f3 b\u1ecdt kh\u00ed hay kh\u00f4ng).<\/span><\/span><\/p>\n

3.3 Ti\u00eau chu\u1ea9n GMW 14872 c\u1ee7a General Motors<\/span><\/span><\/span><\/h2>\n

GMW 14872 l\u00e0 ti\u00eau chu\u1ea9n <\/span><\/span>th\u1eed nghi\u1ec7m ph\u00f2ng th\u00ed nghi\u1ec7m \u0103n m\u00f2n tu\u1ea7n ho\u00e0n<\/span><\/span><\/a> c\u1ee7a \u0111\u1ed9ng c\u01a1 chung, \u00e1p d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i c\u1ee7a \u00f4 t\u00f4. Quy tr\u00ecnh th\u1eed nghi\u1ec7m bao g\u1ed3m phun n\u01b0\u1edbc mu\u1ed1i, l\u01b0u tr\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng, l\u01b0u tr\u1eef \u1edf \u0111\u1ed9 \u1ea9m, l\u01b0u tr\u1eef kh\u00f4 v\u00e0 c\u00e1c giai \u0111o\u1ea1n kh\u00e1c. \u1ede giai \u0111o\u1ea1n l\u01b0u tr\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng, nhi\u1ec7t \u0111\u1ed9 l\u00e0 (25 + 3) \u2103 v\u00e0 \u0111\u1ed9 \u1ea9m l\u00e0 45% + 10%, k\u00e9o d\u00e0i trong 8 gi\u1edd; \u1ede giai \u0111o\u1ea1n l\u01b0u tr\u1eef \u1edf \u0111\u1ed9 \u1ea9m, nhi\u1ec7t \u0111\u1ed9 l\u00e0 (49 + 2) \u2103 v\u00e0 \u0111\u1ed9 \u1ea9m l\u00e0 100%, k\u00e9o d\u00e0i trong 8 gi\u1edd; \u1ede giai \u0111o\u1ea1n l\u01b0u tr\u1eef kh\u00f4, nhi\u1ec7t \u0111\u1ed9 l\u00e0 (60 + 2) \u2103 v\u00e0 \u0111\u1ed9 \u1ea9m l\u00e0 \u2264 30%, k\u00e9o d\u00e0i trong 8 gi\u1edd.<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean ngo\u00e0i, phun mu\u1ed1i 4 l\u1ea7n m\u1ed7i chu k\u1ef3, 28 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n b\u1ec1 m\u1eb7t v\u00e0 52 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n n\u1ec1n; \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong, phun mu\u1ed1i 1 l\u1ea7n sau m\u1ed7i 5 chu k\u1ef3, t\u00f9y thu\u1ed9c v\u00e0o v\u1ecb tr\u00ed, y\u00eau c\u1ea7u t\u1ed1i \u0111a l\u00e0 22 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n b\u1ec1 m\u1eb7t v\u00e0 40 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n n\u1ec1n; \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn khoang \u0111\u1ed9ng c\u01a1, y\u00eau c\u1ea7u t\u1ed1i \u0111a l\u00e0 phun mu\u1ed1i 4 l\u1ea7n m\u1ed7i chu k\u1ef3, 9 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n b\u1ec1 m\u1eb7t v\u00e0 51 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n n\u1ec1n; \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn g\u1ea7m xe, phun mu\u1ed1i 4 l\u1ea7n m\u1ed7i chu k\u1ef3. Y\u00eau c\u1ea7u t\u1ed1i \u0111a l\u00e0 6 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n b\u1ec1 m\u1eb7t v\u00e0 68 chu k\u1ef3 kh\u00f4ng b\u1ecb \u0103n m\u00f2n n\u1ec1n.<\/span><\/span><\/p>\n

3.4 Ti\u00eau chu\u1ea9n Chrysler SAEJ 2334<\/span><\/span><\/span><\/h2>\n

SAEJ 2334 l\u00e0 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u1ec1 s\u1ef1 \u0103n m\u00f2n c\u1ee7a v\u1eadt li\u1ec7u trang tr\u00ed do \u1ee6y ban ch\u1ed1ng \u0103n m\u00f2n v\u00e0 b\u1ea3o v\u1ec7 \u00f4 t\u00f4 c\u1ee7a Hi\u1ec7p h\u1ed9i k\u1ef9 s\u01b0 \u00f4 t\u00f4 qu\u1ed1c t\u1ebf x\u00e2y d\u1ef1ng. Ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng s\u01a1n ph\u1ee7, ch\u1ea5t n\u1ec1n, quy tr\u00ecnh ho\u1eb7c thi\u1ebft k\u1ebf c\u1ee5 th\u1ec3. Quy tr\u00ecnh th\u1eed nghi\u1ec7m bao g\u1ed3m ba giai \u0111o\u1ea1n: l\u01b0u tr\u1eef \u0111\u1ed9 \u1ea9m, phun n\u01b0\u1edbc mu\u1ed1i v\u00e0 l\u01b0u tr\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 cao: l\u01b0u tr\u1eef \u0111\u1ed9 \u1ea9m y\u00eau c\u1ea7u \u0111\u1ed9 \u1ea9m 100%, nhi\u1ec7t \u0111\u1ed9 50 \u2103 v\u00e0 b\u1ea3o d\u01b0\u1ee1ng trong 6 gi\u1edd; Phun n\u01b0\u1edbc mu\u1ed1i trong 15 ph\u00fat; L\u01b0u tr\u1eef \u1edf nhi\u1ec7t \u0111\u1ed9 cao y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 60 \u2103, \u0111\u1ed9 \u1ea9m 50%, l\u01b0u tr\u1eef trong 17 gi\u1edd 45 ph\u00fat.<\/span><\/span><\/p>\n

\u0110\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn b\u00ean ngo\u00e0i v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111\u00f3ng b\u1ecb \u0103n m\u00f2n nghi\u00eam tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 thanh g\u1ea1t n\u01b0\u1edbc, t\u1ea5m \u1ed1p b\u00ean ngo\u00e0i tr\u1ee5 B v\u00e0 tr\u1ee5 C, ph\u1ea3i kh\u00f4ng b\u1ecb \u0103n m\u00f2n sau 60 chu k\u1ef3 v\u00e0 kh\u00f4ng b\u1ecb m\u1ea5t ch\u1ee9c n\u0103ng sau 120 chu k\u1ef3; \u0111\u1ed1i v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y b\u00ean trong bu\u1ed3ng l\u00e1i v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong, ch\u1eb3ng h\u1ea1n nh\u01b0 tay n\u1eafm b\u00ean trong v\u00e0 t\u1ef1a \u0111\u1ea7u gh\u1ebf, ph\u1ea3i kh\u00f4ng b\u1ecb \u0103n m\u00f2n sau 30 chu k\u1ef3 v\u00e0 kh\u00f4ng b\u1ecb m\u1ea5t ch\u1ee9c n\u0103ng sau 120 chu k\u1ef3.<\/span><\/span><\/p>\n

3.5 Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt Nissan M 0158<\/span><\/span><\/span><\/h2>\n

Th\u1eed nghi\u1ec7m phun mu\u1ed1i tu\u1ea7n ho\u00e0n c\u1ee7a Nissan cung c\u1ea5p ba ph\u01b0\u01a1ng ph\u00e1p tu\u1ea7n ho\u00e0n kh\u00e1c nhau cho c\u00e1c m\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n kh\u00e1c nhau c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/span><\/span><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u ti\u00ean \u00e1p d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn th\u01b0\u1eddng b\u1ecb \u0103n m\u00f2n nh\u01b0 th\u00e2n xe, \u1ed1c v\u00edt, v.v. To\u00e0n b\u1ed9 chu tr\u00ecnh \u0111\u01b0\u1ee3c chia th\u00e0nh ba giai \u0111o\u1ea1n: \u0103n m\u00f2n phun mu\u1ed1i trung t\u00ednh, s\u1ea5y kh\u00f4 v\u00e0 gi\u1eef \u1ea9m, v\u1edbi t\u1ed5ng th\u1eddi gian l\u00e0 8 gi\u1edd.<\/span><\/span><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 hai \u00e1p d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb \u0103n m\u00f2n nghi\u00eam tr\u1ecdng nh\u01b0 t\u1ea5m ngo\u00e0i. Tr\u00ean c\u01a1 s\u1edf chu k\u1ef3 th\u1eed nghi\u1ec7m \u0111\u1ea7u ti\u00ean, s\u1ed1 chu k\u1ef3 b\u1ea3o qu\u1ea3n \u0111\u1ed9 \u1ea9m v\u00e0 b\u1ea3o qu\u1ea3n s\u1ea5y kh\u00f4 \u0111\u01b0\u1ee3c t\u0103ng l\u00ean.<\/span><\/span><\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p th\u1ee9 ba \u00e1p d\u1ee5ng cho c\u00e1c b\u1ed9 ph\u1eadn b\u1ecb \u0103n m\u00f2n b\u00ean trong nghi\u00eam tr\u1ecdng. Phun mu\u1ed1i trung t\u00ednh \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng ng\u00e2m n\u01b0\u1edbc mu\u1ed1i, \u0111i\u1ec1u ki\u1ec7n th\u1eed nghi\u1ec7m nghi\u00eam ng\u1eb7t h\u01a1n hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ea7u ti\u00ean.<\/span><\/span><\/p>\n

3.6 SAIC Roewe SMC 30054<\/span><\/span><\/span><\/h2>\n

SMC 30054 l\u00e0 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m \u0103n m\u00f2n tu\u1ea7n ho\u00e0n c\u1ee7a Shanghai Automotive Group Co., Ltd. \u0110\u1ea7u ti\u00ean, phun mu\u1ed1i trong 6 gi\u1edd, sau \u0111\u00f3 b\u1ea3o qu\u1ea3n trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 \u0111\u1ed9 \u1ea9m cao v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 kh\u00f4 r\u00e1o t\u01b0\u01a1ng \u1ee9ng. Th\u1eddi gian chu k\u1ef3 c\u1ee5 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh theo m\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn trong ph\u1ea1m vi 20 ~ 720 chu k\u1ef3.<\/span><\/span><\/p>\n

4.T\u00f3m t\u1eaft<\/span><\/span><\/span><\/h1>\n

T\u1eeb s\u1ef1 so s\u00e1nh tr\u00ean, c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng m\u1eb7c d\u00f9 n\u1ed9i dung c\u1ee7a m\u1ed7i ti\u00eau chu\u1ea9n l\u00e0 kh\u00e1c nhau, nh\u01b0ng c\u00e1c giai \u0111o\u1ea1n th\u1eed nghi\u1ec7m c\u01a1 b\u1ea3n th\u00ec g\u1ea7n nh\u01b0 gi\u1ed1ng nhau, bao g\u1ed3m giai \u0111o\u1ea1n phun mu\u1ed1i, giai \u0111o\u1ea1n s\u1ea5y v\u00e0 giai \u0111o\u1ea1n \u01b0\u1edbt. Ti\u00eau chu\u1ea9n qu\u1ed1c gia GB\/T 24195 chia phun mu\u1ed1i tu\u1ea7n ho\u00e0n th\u00e0nh hai lo\u1ea1i. Phun mu\u1ed1i \u0111\u01b0\u1ee3c phun v\u00e0o c\u00e1c th\u1eddi \u0111i\u1ec3m kh\u00e1c nhau cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0103n m\u00f2n kh\u00e1c nhau, c\u00f3 m\u1ee5c ti\u00eau v\u00e0 kh\u1ea3 thi cao. \u0110\u00e2y c\u0169ng l\u00e0 ti\u00eau chu\u1ea9n duy nh\u1ea5t trong ti\u00eau chu\u1ea9n \u0103n m\u00f2n tu\u1ea7n ho\u00e0n s\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec1u ki\u1ec7n phun mu\u1ed1i axit. Ti\u00eau chu\u1ea9n PV 1210 c\u1ee7a Volkswagen kh\u00f4ng thi\u1ebft l\u1eadp quy tr\u00ecnh chu k\u1ef3 cho c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau, nh\u01b0ng thi\u1ebft l\u1eadp c\u00e1c th\u1eddi gian chu k\u1ef3 kh\u00e1c nhau. Ti\u00eau chu\u1ea9n GM GMW 14872 c\u00f3 th\u1eddi gian phun mu\u1ed1i d\u00e0i nh\u1ea5t trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n tr\u00ean, \u0111\u1ea1t 8 gi\u1edd, cho th\u1ea5y c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t c\u1ee7a n\u00f3. Ti\u00eau chu\u1ea9n Chrysler Automobile SAEJ 2334 c\u00f3 th\u1eddi gian duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m cao l\u00e2u nh\u1ea5t, \u0111\u1ea1t 17 gi\u1edd 45 ph\u00fat. c\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng n\u00f3 c\u00f3 c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t nh\u1ea5t v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t. Ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt Nissan M 0158 chia nh\u1ecf c\u00e1c \u0111i\u1ec1u ki\u1ec7n chu k\u1ef3 th\u00e0nh ba giai \u0111o\u1ea1n v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c giai \u0111o\u1ea1n chu k\u1ef3 kh\u00e1c nhau cho c\u00e1c b\u1ed9 ph\u1eadn \u0103n m\u00f2n kh\u00e1c nhau, c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng th\u1ef1c t\u1ebf h\u01a1n m\u00f4i tr\u01b0\u1eddng \u0103n m\u00f2n th\u1ef1c t\u1ebf v\u00e0 c\u0169ng l\u00e0 ti\u00eau chu\u1ea9n duy nh\u1ea5t y\u00eau c\u1ea7u c\u00e1c b\u1ed9 ph\u1eadn ph\u1ea3i \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc mu\u1ed1i. Ti\u00eau chu\u1ea9n SMC 30054 c\u1ee7a SAIC Roewe y\u00eau c\u1ea7u nhi\u1ec7t \u0111\u1ed9 trong giai \u0111o\u1ea1n gi\u1eef nhi\u1ec7t \u0111\u1ed9 cao c\u1ee7a th\u1eed nghi\u1ec7m ph\u1ea3i thay \u0111\u1ed5i li\u00ean t\u1ee5c v\u00e0 th\u1eddi gian gi\u1eef trong giai \u0111o\u1ea1n kh\u00f4 v\u00e0 \u01b0\u1edbt ph\u1ea3i d\u00e0i h\u01a1n.<\/span><\/span><\/p>\n

C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng h\u1ea7u h\u1ebft c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m c\u1ee7a Ch\u00e2u \u00c2u v\u00e0 Hoa K\u1ef3 \u0111\u1ec1u \u00e1p d\u1ee5ng c\u00f9ng m\u1ed9t quy tr\u00ecnh chu k\u1ef3 v\u00e0 m\u00f4 ph\u1ecfng c\u00e1c m\u1ee9c \u0111\u1ed9 \u0103n m\u00f2n kh\u00e1c nhau th\u00f4ng qua c\u00e1c th\u1eddi gian chu k\u1ef3 kh\u00e1c nhau; c\u00e1c ti\u00eau chu\u1ea9n c\u1ee7a Nh\u1eadt B\u1ea3n chia nh\u1ecf c\u00e1c b\u1ed9 ph\u1eadn \u0103n m\u00f2n v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c ti\u00eau chu\u1ea9n \u0103n m\u00f2n kh\u00e1c nhau cho c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau, \u0111i\u1ec1u n\u00e0y l\u00e0m cho vi\u1ec7c m\u00f4 ph\u1ecfng tr\u1edf n\u00ean th\u1ef1c t\u1ebf h\u01a1n. H\u1ea7u h\u1ebft c\u00e1c doanh nghi\u1ec7p \u00f4 t\u00f4 th\u01b0\u01a1ng hi\u1ec7u t\u1ef1 s\u1edf h\u1eefu trong n\u01b0\u1edbc \u0111\u1ec1u kh\u00f4ng ph\u00e1t tri\u1ec3n c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m \u0103n m\u00f2n tu\u1ea7n ho\u00e0n c\u1ee7a ri\u00eang m\u00ecnh, m\u00e0 r\u00fat kinh nghi\u1ec7m t\u1eeb c\u00e1c ti\u00eau chu\u1ea9n n\u01b0\u1edbc ngo\u00e0i. Y\u00eau c\u1ea7u v\u1ec1 \u0103n m\u00f2n th\u1ea5p, v\u00ec v\u1eady vi\u1ec7c t\u0103ng c\u01b0\u1eddng th\u1eed nghi\u1ec7m \u0103n m\u00f2n tu\u1ea7n ho\u00e0n l\u00e0 r\u1ea5t c\u1ea5p thi\u1ebft.<\/span><\/span><\/p>\n

N\u00f3i m\u1ed9t c\u00e1ch ng\u1eafn g\u1ecdn, th\u1eed nghi\u1ec7m phun mu\u1ed1i tu\u1ea7n ho\u00e0n c\u00f3 th\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a ng\u01b0\u1eddi d\u00f9ng th\u00f4ng qua c\u00e1c thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m kh\u00e1c nhau. So v\u1edbi th\u1eed nghi\u1ec7m phun mu\u1ed1i trung t\u00ednh, n\u00f3 c\u00f3 th\u1ec3 t\u0103ng t\u1ed1c \u0111\u1ed9 \u0103n m\u00f2n v\u00e0 ph\u1ea3n \u00e1nh t\u1ed1t h\u01a1n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn. Th\u00f4ng qua th\u1eed nghi\u1ec7m \u0103n m\u00f2n phun mu\u1ed1i tu\u1ea7n ho\u00e0n, vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ed1ng \u0103n m\u00f2n hi\u1ec7u qu\u1ea3 trong giai \u0111o\u1ea1n \u0111\u1ea7u ph\u00e1t tri\u1ec3n c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i c\u00f3 \u00fd ngh\u0129a to l\u1edbn trong vi\u1ec7c k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i.<\/span><\/span><\/p>\n

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

3.2 Volkswagen ti\u00eau chu\u1ea9n PV 1210 PV 1210 l\u00e0 ti\u00eau chu\u1ea9n \u0103n m\u00f2n phun mu\u1ed1i tu\u1ea7n ho\u00e0n cho th\u00e2n xe v\u00e0 ph\u1ee5 ki\u1ec7n c\u1ee7a Volkswagen AG, v\u00e0 l\u00e0 ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m \u0103n m\u00f2n tu\u1ea7n ho\u00e0n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i nh\u1ea5t. Ti\u00eau chu\u1ea9n n\u00e0y \u00e1p d\u1ee5ng cho vi\u1ec7c ph\u00e1t hi\u1ec7n \u0103n m\u00f2n c\u1ee7a th\u00e2n<\/p>\n","protected":false},"author":1,"featured_media":19830,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[88],"tags":[],"class_list":["post-19829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc-cong-nghe"],"acf":[],"_links":{"self":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/comments?post=19829"}],"version-history":[{"count":3,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19829\/revisions"}],"predecessor-version":[{"id":22071,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/posts\/19829\/revisions\/22071"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media\/19830"}],"wp:attachment":[{"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/media?parent=19829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/categories?post=19829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dgbellvietnam.com\/en\/wp-json\/wp\/v2\/tags?post=19829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}