{"id":6056,"date":"2024-08-14T14:10:23","date_gmt":"2024-08-14T07:10:23","guid":{"rendered":"https:\/\/yasudaseiki.vn\/?p=6056"},"modified":"2024-08-14T14:10:23","modified_gmt":"2024-08-14T07:10:23","slug":"toc-do-dong-chay-khoi-luong-nong-chay-mfr-va-toc-do-dong-chay-the-tich-nong-chay-mvr-la-gi","status":"publish","type":"post","link":"https:\/\/yasudaseiki.vn\/vi\/toc-do-dong-chay-khoi-luong-nong-chay-mfr-va-toc-do-dong-chay-the-tich-nong-chay-mvr-la-gi\/","title":{"rendered":"T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y kh\u1ed1i l\u01b0\u1ee3ng n\u00f3ng ch\u1ea3y (MFR) v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y th\u1ec3 t\u00edch n\u00f3ng ch\u1ea3y (MVR) l\u00e0 g\u00ec?"},"content":{"rendered":"
\n

T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y, ban \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ec9 s\u1ed1 d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y (MFI), l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng c\u1ee7a nh\u1ef1a nhi\u1ec7t d\u1ebbo n\u00f3ng ch\u1ea3y.
\nN\u00f3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y kh\u1ed1i l\u01b0\u1ee3ng n\u00f3ng ch\u1ea3y (MFR), \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng g\/10 ph\u00fat v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y th\u1ec3 t\u00edch n\u00f3ng ch\u1ea3y (MVR), \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng cm3<\/sup>\/10 ph\u00fat.<\/p>\n<\/div>\n

\n

MFR v\u00e0 MVR \u0111\u01b0\u1ee3c ki\u1ec3m tra nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n
\"MFR<\/div>\n
\n

C\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng c\u1ee7a nh\u1ef1a v\u00e0 th\u1eed nghi\u1ec7m d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p d\u1ec5 nh\u1ea5t cung c\u1ea5p ch\u1ec9 s\u1ed1 \u0111\u01a1n gi\u1ea3n.
\nC\u00e1c m\u1eabu \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m b\u1eb1ng m\u00e1y \u0111o \u0111\u1ed9 d\u1ebbo \u0111\u00f9n trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u00e0 h\u01b0\u1edbng d\u1eabn \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh trong ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m (v\u00ed d\u1ee5: ISO 1133, JIS K7210, ASTM D1238). C\u00f3 m\u1ed9t s\u1ed1 quy tr\u00ecnh \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ti\u00eau chu\u1ea9n th\u1eed nghi\u1ec7m. Ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 quy tr\u00ecnh A v\u00e0 B.<\/p>\n

Trong quy tr\u00ecnh A, d\u01b0\u1edbi d\u1ea1ng vi\u00ean ho\u1eb7c \u0111\u00f4i khi l\u00e0 b\u1ed9t, m\u1eabu th\u1eed \u0111\u01b0\u1ee3c n\u1ea1p v\u00e0o xi lanh \u0111\u00e3 \u0111\u01b0\u1ee3c nung n\u00f3ng. Sau khi nung n\u00f3ng tr\u01b0\u1edbc trong m\u1ed9t kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3, m\u1ed9t t\u1ea3i tr\u1ecdng kh\u00f4ng \u0111\u1ed5i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho m\u1eabu \u0111\u00e3 n\u00f3ng ch\u1ea3y v\u00e0 \u0111\u01b0\u1ee3c \u0111\u00f9n ra kh\u1ecfi khu\u00f4n \u1edf \u0111\u00e1y xi lanh. Sau c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3, s\u1ea3n ph\u1ea9m \u0111\u00f9n \u0111\u01b0\u1ee3c c\u1eaft. Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c m\u1eabu \u0111\u00e3 c\u1eaft \u0111\u01b0\u1ee3c \u0111o \u0111\u1ec3 t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u00f9n trong 10 ph\u00fat. (Xem b\u00ean d\u01b0\u1edbi \u0111\u1ec3 bi\u1ebft quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc.)<\/p>\n

Trong quy tr\u00ecnh B, thay v\u00ec c\u1eaft s\u1ea3n ph\u1ea9m \u0111\u00f9n theo c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3, m\u1ed9t trong hai th\u00f4ng s\u1ed1 sau \u0111\u01b0\u1ee3c \u0111o:
\n1) kho\u1ea3ng c\u00e1ch m\u00e0 piston di chuy\u1ec3n trong m\u1ed9t kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3,
\n2) th\u1eddi gian piston di chuy\u1ec3n m\u1ed9t kho\u1ea3ng c\u00e1ch c\u1ee5 th\u1ec3.
\nK\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng MFR (g\/10 ph\u00fat) ho\u1eb7c MVR (cm3<\/sup>\/10 ph\u00fat). MFR m\u00f4 t\u1ea3 kh\u1ed1i l\u01b0\u1ee3ng trong khi MVR m\u00f4 t\u1ea3 th\u1ec3 t\u00edch. MFR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch nh\u00e2n MVR v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a m\u1eabu n\u00f3ng ch\u1ea3y.<\/p>\n

MFR t\u01b0\u01a1ng \u1ee9ng v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed c\u1ee7a nh\u1ef1a. MFR th\u1ea5p h\u01a1n \u0111\u1ed1i v\u1edbi nh\u1ef1a c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed cao h\u01a1n. Trong khi \u0111\u00f3, MFR cao h\u01a1n \u0111\u1ed1i v\u1edbi nh\u1ef1a c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng ph\u00e2n t\u1eed th\u1ea5p h\u01a1n. Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, khi gi\u00e1 tr\u1ecb MFR t\u0103ng cao, nh\u1ef1a n\u00f3ng ch\u1ea3y s\u1ebd ch\u1ea3y d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 qu\u00e1 tr\u00ecnh x\u1eed l\u00fd tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n. Tuy nhi\u00ean, \u0111\u1ed9 b\u1ec1n k\u00e9o l\u1ea1i y\u1ebfu \u0111i.<\/p>\n<\/div>\n

\n

Quy tr\u00ecnh th\u1eed nghi\u1ec7m<\/h3>\n
\n

Quy tr\u00ecnh A<\/p>\n

    \n
  1. \u0110\u1ed5 m\u1eabu v\u00e0o xi lanh \u0111\u00e3 \u0111un n\u00f3ng.<\/li>\n
  2. N\u00e9n m\u1eabu b\u1eb1ng thanh \u0111\u00f3ng g\u00f3i (\u0111\u1ec3 lo\u1ea1i b\u1ecf kh\u00ed b\u1ecb gi\u1eef l\u1ea1i trong m\u1eabu).<\/li>\n
  3. L\u1eafp piston v\u00e0o xi lanh v\u00e0 \u0111\u1eb7t tr\u1ecdng l\u01b0\u1ee3ng th\u1eed nghi\u1ec7m.<\/li>\n
  4. L\u00e0m n\u00f3ng tr\u01b0\u1edbc trong 5 ph\u00fat.<\/li>\n
  5. B\u1eaft \u0111\u1ea7u th\u1eed nghi\u1ec7m khi v\u1ea1ch tham chi\u1ebfu ph\u00eda d\u01b0\u1edbi c\u1ee7a piston ch\u1ea1m \u0111\u1ebfn \u0111\u1ec9nh xi lanh (n\u00f3i c\u00e1ch kh\u00e1c, khi \u0111\u1ea7u piston cao h\u01a1n b\u1ec1 m\u1eb7t tr\u00ean c\u1ee7a khu\u00f4n 50 mm).<\/li>\n
  6. C\u1eaft m\u1eabu \u0111\u00f9n theo c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3. C\u1eaft v\u00e0 l\u1ea5y \u00edt nh\u1ea5t 3 s\u1ee3i \u0111\u00f9n.<\/li>\n
  7. \u0110o kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a c\u00e1c s\u1ee3i v\u00e0 t\u00ednh MFR (g\/10 ph\u00fat) b\u1eb1ng c\u00f4ng th\u1ee9c nh\u01b0 th\u1ec3 hi\u1ec7n trong ph\u1ea7n ti\u1ebfp theo.<\/li>\n<\/ol>\n<\/div>\n
    \"Quy<\/div>\n<\/div>\n
    \n

    T\u00ednh to\u00e1n MFR v\u00e0 MVR<\/h3>\n
    \n

    Quy tr\u00ecnh A<\/p>\n

    M\u1eabu \u0111\u01b0\u1ee3c c\u1eaft theo c\u00e1c kho\u1ea3ng th\u1eddi gian c\u1ee5 th\u1ec3 (v\u00ed d\u1ee5: 60 gi\u00e2y) v\u00e0 kh\u1ed1i l\u01b0\u1ee3ng nh\u1ef1a c\u1eaft \u0111\u01b0\u1ee3c \u0111o.
    \nMFR \u0111\u01b0\u1ee3c \u0111\u01b0a ra theo ph\u01b0\u01a1ng tr\u00ecnh sau.<\/p>\n

    \"Quy<\/div>\n<\/div>\n
    \n

    Quy tr\u00ecnh B<\/p>\n

    Th\u1eddi gian piston di chuy\u1ec3n m\u1ed9t kho\u1ea3ng c\u00e1ch nh\u1ea5t \u0111\u1ecbnh.
    \nMVR \u0111\u01b0\u1ee3c \u0111\u01b0a ra b\u1edfi ph\u01b0\u01a1ng tr\u00ecnh sau.<\/p>\n

    \"Quy<\/div>\n

    \u0110\u1ec3 t\u00ednh MFR t\u1eeb MVR, h\u00e3y \u0111o m\u1eadt \u0111\u1ed9 m\u1eabu v\u00e0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng tr\u00ecnh sau.<\/p>\n

    \"Quy<\/div>\n<\/div>\n<\/div>\n<\/section>\n
    \n

    Ki\u1ec3m tra \u0111\u01a1n gi\u1ea3n, Ch\u1ec9 m\u1ee5c \u0111\u01a1n gi\u1ea3n<\/h2>\n

    Trong qu\u00e1 tr\u00ecnh \u0111\u00fac \u0111\u00f9n, nh\u01b0 minh h\u1ecda b\u00ean d\u01b0\u1edbi, m\u1ed9t m\u1eabu \u0111\u01b0\u1ee3c \u0111\u1ed5 v\u00e0 l\u00e0m tan ch\u1ea3y \u0111\u01b0\u1ee3c \u0111\u00fac trong m\u1ed9t xi lanh \u0111\u01b0\u1ee3c nung n\u00f3ng, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u00f9n ra kh\u1ecfi khu\u00f4n. Nghe quen kh\u00f4ng? Th\u1eed nghi\u1ec7m d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y t\u00e1i t\u1ea1o v\u00e0 c\u0169ng \u0111\u01a1n gi\u1ea3n h\u00f3a qu\u00e1 tr\u00ecnh \u0111\u00fac \u0111\u00f9n. Do t\u00ednh \u0111\u01a1n gi\u1ea3n c\u1ee7a n\u00f3, MFR th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m ch\u1ec9 s\u1ed1 c\u01a1 b\u1ea3n trong ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u nh\u1ef1a.<\/p>\n

    \"Ki\u1ec3m<\/div>\n
    \n

    C\u00e1c th\u1eed nghi\u1ec7m d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y c\u00f3 t\u1ea1o ra k\u1ebft qu\u1ea3 kh\u00e1c nhau kh\u00f4ng?<\/h3>\n

    MFR v\u00e0 MVR c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi \u0111\u1ed9 \u1ea9m (\u0111\u1ed9 h\u1ea5p th\u1ee5 n\u01b0\u1edbc) c\u1ee7a vi\u00ean m\u1eabu, h\u00e0m l\u01b0\u1ee3ng nh\u1ef1a ho\u1eb7c ch\u1ea5t \u0111\u1ed9n (nh\u01b0 s\u1ee3i th\u1ee7y tinh v\u00e0 s\u1ee3i carbon) c\u1ee7a m\u1eabu. K\u1ebft qu\u1ea3 c\u1ee7a c\u00e1c th\u1eed nghi\u1ec7m d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y c\u0169ng c\u00f3 th\u1ec3 kh\u00e1c nhau gi\u1eefa c\u00e1c nh\u00e0 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 k\u1ef9 thu\u1eadt c\u1ee7a h\u1ecd. Do \u0111\u00f3, \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n h\u01a1n, vi\u1ec7c th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00f9ng m\u1ed9t ng\u01b0\u1eddi trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n.
    \nL\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p, Yasuda cung c\u1ea5p c\u00e1c m\u00e1y th\u1eed nghi\u1ec7m t\u1ef1 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n th\u1eed nghi\u1ec7m cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh.<\/p>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

    T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y, ban \u0111\u1ea7u \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 ch\u1ec9 s\u1ed1 d\u00f2ng ch\u1ea3y n\u00f3ng ch\u1ea3y (MFI), l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 l\u01b0u \u0111\u1ed9ng c\u1ee7a nh\u1ef1a nhi\u1ec7t d\u1ebbo n\u00f3ng ch\u1ea3y. N\u00f3 \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y kh\u1ed1i l\u01b0\u1ee3ng n\u00f3ng ch\u1ea3y (MFR), \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng g\/10 ph\u00fat v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y […]\n","protected":false},"author":2,"featured_media":5236,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[165],"tags":[],"class_list":["post-6056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/posts\/6056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/comments?post=6056"}],"version-history":[{"count":0,"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/posts\/6056\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/media\/5236"}],"wp:attachment":[{"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/media?parent=6056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/categories?post=6056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yasudaseiki.vn\/vi\/wp-json\/wp\/v2\/tags?post=6056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}