{"id":6035,"date":"2026-04-08T22:41:38","date_gmt":"2026-04-08T22:41:38","guid":{"rendered":"https:\/\/www.sungda.com\/vi\/post\/what-are-the-rma-i-and-rma-ii-standards-for-conveyor-belts-vi"},"modified":"2026-04-08T22:41:38","modified_gmt":"2026-04-08T22:41:38","slug":"what-are-the-rma-i-and-rma-ii-standards-for-conveyor-belts-vi","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/vi\/index.php\/what-are-the-rma-i-and-rma-ii-standards-for-conveyor-belts-vi\/","title":{"rendered":"B\u0103ng t\u1ea3i cao su RMA-I & RMA-II — SUNGDA"},"content":{"rendered":"\n
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V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng v\u00e0 h\u1ed9i nh\u1eadp c\u1ee7a n\u1ec1n kinh t\u1ebf th\u1ebf gi\u1edbi, c\u00e1c s\u1ea3n ph\u1ea9m b\u0103ng t\u1ea3i \u0111\u00e3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 r\u1ea5t quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t trong l\u0129nh v\u1ef1c v\u1eadn chuy\u1ec3n v\u1eadt li\u1ec7u r\u1eddi, khai th\u00e1c m\u1ecf v\u00e0 n\u0103ng l\u01b0\u1ee3ng. Trong t\u1ea5t c\u1ea3 c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ee7a b\u0103ng t\u1ea3i, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 c\u0169ng quan tr\u1ecdng nh\u1ea5t ch\u00ednh l\u00e0 ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt c\u1ee7a l\u1edbp ph\u1ee7 cao su.<\/p>\n\n\n

T\u1ea5t c\u1ea3 c\u00e1c b\u0103ng t\u1ea3i \u0111\u1ec1u tu\u00e2n theo m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i l\u1edbp ph\u1ee7 cao su \u0111\u01b0\u1ee3c qu\u1ed1c t\u1ebf ch\u1ea5p nh\u1eadn, h\u1ea7u h\u1ebft c\u00e1c qu\u1ed1c gia tu\u00e2n theo ti\u00eau chu\u1ea9n c\u1ea5p \u0111\u1ed9 DIN22102 c\u1ee7a \u0110\u1ee9c, v\u00e0 t\u1ea5t nhi\u00ean c\u0169ng c\u00f3 c\u00e1c ti\u00eau chu\u1ea9n c\u1ea5p \u0111\u1ed9 khu v\u1ef1c, v\u00ed d\u1ee5, c\u00e1c qu\u1ed1c gia ch\u00e2u M\u1ef9 th\u01b0\u1eddng tu\u00e2n theo ti\u00eau chu\u1ea9n c\u1ea5p \u0111\u1ed9 RMA, c\u00e1c qu\u1ed1c gia kh\u00e1c c\u0169ng c\u00f3 ti\u00eau chu\u1ea9n l\u1edbp ph\u1ee7 ri\u00eang, nh\u01b0 GB\/T7984 c\u1ee7a Trung Qu\u1ed1c, AS1332 c\u1ee7a \u00dac, JISK6322 c\u1ee7a Nh\u1eadt B\u1ea3n, BS-490 c\u1ee7a V\u01b0\u01a1ng qu\u1ed1c Anh v\u00e0 SANS-1173 c\u1ee7a Nam Phi, v.v.<\/p>\n\n\n

 C\u00e1c ti\u00eau chu\u1ea9n n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i th\u00f4ng tin v\u1ec1 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau tham kh\u1ea3o nh\u1eefng c\u1ea5p \u0111\u1ed9 n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1ebfp h\u1ea1ng n\u00e0y. C\u00e1c x\u1ebfp h\u1ea1ng n\u00e0y quy \u0111\u1ecbnh c\u00e1c ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m trong ph\u00f2ng th\u00ed nghi\u1ec7m kh\u00e1c nhau, nh\u01b0ng kh\u00f4ng \u0111\u01b0a ra b\u1ea5t k\u1ef3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t n\u00e0o trong c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n\n\n

Trong vi\u1ec7c l\u1ef1a ch\u1ecdn b\u0103ng t\u1ea3i v\u00e0 kinh doanh th\u01b0\u01a1ng m\u1ea1i qu\u1ed1c t\u1ebf, vi\u1ec7c hi\u1ec3u c\u00e1c ti\u00eau chu\u1ea9n n\u00e0y v\u00e0 c\u00e1ch chuy\u1ec3n \u0111\u1ed5i l\u1eabn nhau gi\u1eefa ch\u00fang l\u00e0 r\u1ea5t quan tr\u1ecdng, h\u00e3y c\u00f9ng xem x\u00e9t ti\u00eau chu\u1ea9n RMA:<\/p>\n\n\n

RMA l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a “Hi\u1ec7p h\u1ed9i c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t cao su” t\u1ea1i Hoa K\u1ef3, n\u00f3 \u0111\u00e3 thi\u1ebft l\u1eadp hai c\u1ea5p \u0111\u1ed9 ti\u00eau chu\u1ea9n cho l\u1edbp ph\u1ee7 b\u0103ng t\u1ea3i cao su: RMA-I v\u00e0 RMA-II. C\u1ea5p \u0111\u1ed9 RMA-I (17Mpa) \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 \u0111\u1ed9 d\u00e3n d\u00e0i c\u1ee7a cao su, v\u00e0 th\u01b0\u1eddng th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng c\u1eaft v\u00e0 ch\u1ed1ng x\u01b0\u1edbc cao h\u01a1n so v\u1edbi RMA-II (14Mpa). C\u1ea7n l\u01b0u \u00fd r\u1eb1ng c\u1ea5p \u0111\u1ed9 kh\u00f4ng nh\u1ea5t thi\u1ebft ch\u1ec9 ra kh\u1ea3 n\u0103ng ch\u1ed1ng m\u00e0i m\u00f2n t\u1ed5ng th\u1ec3. T\u1ed5 ch\u1ee9c Ti\u00eau chu\u1ea9n h\u00f3a Qu\u1ed1c t\u1ebf (ISO) c\u0169ng thi\u1ebft l\u1eadp m\u1ed9t h\u1ec7 th\u1ed1ng ph\u00e2n lo\u1ea1i d\u01b0\u1edbi ISO 10247.<\/p>\n\n\n

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M\u1eabu cao su s\u1eb5n s\u00e0ng \u0111\u1ec3 \u0111\u00f3ng g\u00f3i<\/figcaption><\/figure>\n\n\n\n

Ti\u00eau chu\u1ea9n n\u00e0y bao g\u1ed3m:<\/p>\n\n\n

Lo\u1ea1i H (D\u1ecbch v\u1ee5 c\u1eaft v\u00e0 kho\u00e9t nghi\u00eam tr\u1ecdng)<\/p>\n\n\n

Lo\u1ea1i D (D\u1ecbch v\u1ee5 m\u00e0i m\u00f2n nghi\u00eam tr\u1ecdng)<\/p>\n\n\n

Lo\u1ea1i L (D\u1ecbch v\u1ee5 trung b\u00ecnh).<\/p>\n\n\n

Trong \u0111\u00f3, lo\u1ea1i H t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi c\u1ea5p \u0111\u1ed9 RMA I; c\u00e1c lo\u1ea1i D v\u00e0 L g\u1ea7n gi\u1ed1ng v\u1edbi b\u0103ng t\u1ea3i c\u1ea5p \u0111\u1ed9 RMA II.<\/p>\n\n\n

 ARPM (Hi\u1ec7p h\u1ed9i c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1ea3n ph\u1ea9m cao su), m\u1ed9t t\u1ed5 ch\u1ee9c k\u1ebf th\u1eeba c\u1ee7a RMA. \u0110\u00e3 xu\u1ea5t b\u1ea3n s\u1ed5 tay b\u0103ng t\u1ea3i c\u1ee7a h\u1ecd v\u00e0o n\u0103m 2011, x\u00e1c \u0111\u1ecbnh c\u1ea5p \u0111\u1ed9 1 v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o 17 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t 400% v\u00e0 t\u1ed5n th\u1ea5t th\u1ec3 t\u00edch 125 mm\u00b3, v\u00e0 c\u1ea5p \u0111\u1ed9 2 v\u1edbi \u0111\u1ed9 b\u1ec1n k\u00e9o 14 MPa, \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t 400% v\u00e0 t\u1ed5n th\u1ea5t th\u1ec3 t\u00edch 175 mm\u00b3. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c ti\u00eau chu\u1ea9n do ARPM thi\u1ebft l\u1eadp c\u00f3 y\u00eau c\u1ea7u cao h\u01a1n v\u1ec1 t\u1ef7 l\u1ec7 m\u00e0i m\u00f2n.<\/p>\n\n\n

\u0110\u1eb7c t\u00ednh hi\u1ec7u su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a l\u1edbp ph\u1ee7 cao su RMA-I<\/strong><\/p>\n\n\n