{"id":5648,"date":"2026-04-08T22:17:29","date_gmt":"2026-04-08T22:17:29","guid":{"rendered":"https:\/\/www.sungda.com\/vi\/post\/the-reason-why-the-conveyor-belt-is-getting-longer-and-longer-vi"},"modified":"2026-04-08T22:17:29","modified_gmt":"2026-04-08T22:17:29","slug":"the-reason-why-the-conveyor-belt-is-getting-longer-and-longer-vi","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/vi\/index.php\/the-reason-why-the-conveyor-belt-is-getting-longer-and-longer-vi\/","title":{"rendered":"L\u00fd do t\u1ea1i sao b\u0103ng t\u1ea3i ng\u00e0y c\u00e0ng d\u00e0i ra"},"content":{"rendered":"

H\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng cho r\u1eb1ng \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u khung c\u00e0ng l\u1edbn th\u00ec b\u0103ng t\u1ea3i c\u00e0ng d\u1ec5 “gi\u00e3n”. \u0110\u00e2y l\u00e0 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m r\u1ea5t \u0111i\u1ec3n h\u00ecnh, li\u00ean quan \u0111\u1ebfn th\u00f3i quen s\u1eed d\u1ee5ng v\u1ea3i cotton. \u1ede \u0111\u00e2y, ch\u00fang t\u00f4i \u0111\u1eb7c bi\u1ec7t nh\u1ea5n m\u1ea1nh m\u1ed9t \u0111i\u1ec3m: \u0111\u1ed1i v\u1edbi v\u1ea3i EP, ch\u00fang ta ph\u1ea3i g\u1ea1t b\u1ecf ki\u1ebfn th\u1ee9c hi\u1ec7n c\u00f3 v\u1ec1 v\u1ea3i cotton. Nguy\u00ean nh\u00e2n ch\u00ednh khi\u1ebfn ch\u00fang ta ngh\u0129 n\u00f3 “ch\u1ea1y d\u00e0i” kh\u00f4ng ph\u1ea3i do \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u khung hay \u0111\u1ed9 gi\u00e3n d\u00e0i \u1edf 10% c\u01b0\u1eddng \u0111\u1ed9 danh \u0111\u1ecbnh. “\u0110\u1ed9 gi\u00e3n” ch\u1ec9 li\u00ean quan \u0111\u1ebfn lo\u1ea1i v\u1eadt li\u1ec7u khung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, t\u1ee9c l\u00e0 li\u00ean quan \u0111\u1ebfn \u0111\u1eb7c t\u00ednh t\u1eeb bi\u1ebfn c\u1ee7a v\u1eadt li\u1ec7u khung. \u1ede \u0111\u00e2y, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta n\u00f3i v\u1ec1 \u0111\u1eb7c \u0111i\u1ec3m th\u01b0 gi\u00e3n t\u1eeb bi\u1ebfn c\u1ee7a v\u1eadt li\u1ec7u, \u0111i\u1ec1u n\u00e0y s\u1ebd r\u1ea5t h\u1eefu \u00edch khi th\u1ea3o lu\u1eadn v\u1ec1 \u0111\u1eb7c t\u00ednh c\u1ee7a v\u1eadt li\u1ec7u khung sau n\u00e0y:<\/p>\n

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    \n
  1. T\u1eeb bi\u1ebfn s\u1ee3i<\/strong><\/li>\n<\/ol>\n

     <\/p>\n

    D\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c k\u00e9o kh\u00f4ng \u0111\u1ed5i, bi\u1ebfn d\u1ea1ng c\u1ee7a s\u1ee3i v\u00e0 ch\u1ec9 t\u1ec9 l\u1ec7 thu\u1eadn v\u1edbi l\u1ef1c k\u00e9o. Nh\u01b0ng th\u1ef1c t\u1ebf, d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a l\u1ef1c k\u00e9o kh\u00f4ng \u0111\u1ed5i n\u00e0y, l\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng kh\u00f4ng ph\u1ea3i l\u00e0 h\u1eb1ng s\u1ed1 m\u00e0 l\u00e0 m\u1ed9t \u0111\u1ea1i l\u01b0\u1ee3ng thay \u0111\u1ed5i theo th\u1eddi gian v\u00e0 s\u1ebd ti\u1ebfp t\u1ee5c t\u0103ng l\u00ean. Hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng thay \u0111\u1ed5i theo th\u1eddi gian d\u01b0\u1edbi t\u00e1c d\u1ee5ng c\u1ee7a m\u1ed9t l\u1ef1c k\u00e9o nh\u1ea5t \u0111\u1ecbnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “t\u1eeb bi\u1ebfn”. \u0110\u00e2y l\u00e0 nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5 c\u1ee7a c\u00e1i g\u1ecdi l\u00e0 “\u0111\u1ed9 gi\u00e3n” c\u1ee7a b\u0103ng t\u1ea3i. V\u1ec1 l\u00fd thuy\u1ebft, n\u00f3 kh\u00f4ng li\u00ean quan g\u00ec \u0111\u1ebfn \u0111\u1ed9 l\u1edbn c\u1ee7a \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n

     <\/p>\n

      \n
    1. Th\u01b0 gi\u00e3n s\u1ee3i<\/strong><\/li>\n<\/ol>\n

       <\/p>\n

      D\u01b0\u1edbi bi\u1ebfn d\u1ea1ng k\u00e9o kh\u00f4ng \u0111\u1ed5i, \u1ee9ng su\u1ea5t b\u00ean trong (l\u1ef1c c\u0103ng) c\u1ee7a s\u1ee3i ho\u1eb7c ch\u1ec9 s\u1ebd ti\u1ebfp t\u1ee5c gi\u1ea3m theo th\u1eddi gian. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 “th\u01b0 gi\u00e3n”.<\/p>\n

       <\/p>\n

      Nguy\u00ean nh\u00e2n c\u01a1 b\u1ea3n c\u1ee7a t\u1eeb bi\u1ebfn v\u00e0 th\u01b0 gi\u00e3n s\u1ee3i l\u00e0 c\u1ea5u tr\u00fac b\u00ean trong c\u1ee7a s\u1ee3i. D\u01b0\u1edbi l\u1ef1c c\u0103ng kh\u00f4ng \u0111\u1ed5i, s\u1ef1 k\u00e9o d\u00e0i tr\u1ea1ng th\u00e1i u\u1ed1n cong c\u1ee7a c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed trong s\u1ee3i, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ef1 t\u0103ng chi\u1ec1u d\u00e0i c\u1ee7a chu\u1ed7i \u0111\u1ea1i ph\u00e2n t\u1eed v\u00e0 s\u1ef1 \u0111\u00f3ng m\u1edf c\u1ee7a g\u00f3c li\u00ean k\u1ebft, c\u00f3 th\u1ec3 ho\u00e0n th\u00e0nh trong th\u1eddi gian r\u1ea5t ng\u1eafn, \u0111\u00f3 l\u00e0 bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i nhanh. Theo th\u1eddi gian, chu\u1ed7i ch\u00ednh c\u1ee7a \u0111\u1ea1i ph\u00e2n t\u1eed xoay c\u1ee5c b\u1ed9 \u0111\u1ec3 k\u00e9o d\u00e0i c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed v\u00e0 \u0111i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed c\u1ee7a c\u00e1c vi s\u1ee3i. \u0110\u1eb7c bi\u1ec7t, c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed b\u1ecb k\u00e9o v\u00e0 tr\u01b0\u1ee3t trong v\u00f9ng v\u00f4 \u0111\u1ecbnh h\u00ecnh (bi\u1ebfn d\u1ea1ng \u0111\u00e0n nh\u1edbt ho\u1eb7c l\u01b0u bi\u1ebfn) l\u00e0m cho chi\u1ec1u d\u00e0i s\u1ee3i b\u1ecb k\u00e9o d\u00e0i, th\u1ec3 hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng t\u1eeb bi\u1ebfn, d\u1ea7n d\u1ea7n l\u00e0m gi\u1ea3m l\u1ef1c c\u0103ng.<\/p>\n

       <\/p>\n

      Ngo\u00e0i c\u00e1c y\u1ebfu t\u1ed1 s\u1ee3i \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, t\u1eeb bi\u1ebfn v\u00e0 th\u01b0 gi\u00e3n c\u1ee7a v\u1ea3i c\u00f2n li\u00ean quan \u0111\u1ebfn s\u1ef1 tr\u01b0\u1ee3t gi\u1eefa c\u00e1c s\u1ee3i ch\u1ec9 \u0111\u1ed1i v\u1edbi v\u1ea3i s\u1ee3i ng\u1eafn.<\/p>\n

       <\/p>\n

        \n
      1. Nguy\u00ean nh\u00e2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1eeb bi\u1ebfn v\u00e0 th\u01b0 gi\u00e3n s\u1ee3i<\/strong><\/li>\n<\/ol>\n

         <\/p>\n

        Nguy\u00ean nh\u00e2n ch\u00ednh c\u1ee7a t\u1eeb bi\u1ebfn v\u00e0 th\u01b0 gi\u00e3n s\u1ee3i l\u00e0 s\u1ef1 tr\u01b0\u1ee3t gi\u1eefa c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed, do \u0111\u00f3 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1ef1c gi\u1eefa c\u00e1c \u0111\u1ea1i ph\u00e2n t\u1eed (nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m) s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1eeb bi\u1ebfn v\u00e0 th\u01b0 gi\u00e3n.<\/p>\n

         <\/p>\n

        Nhi\u1ec1u lo\u1ea1i s\u1ee3i d\u1ec5 b\u1ecb t\u1eeb bi\u1ebfn v\u00e0 th\u01b0 gi\u00e3n trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m cao, v\u00ec v\u1eady nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ea9m cao th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf \u1ee9ng su\u1ea5t b\u00ean trong. \u0110\u1eb7c bi\u1ec7t l\u00e0 cotton. T\u1ef7 l\u1ec7 h\u00fat \u1ea9m danh \u0111\u1ecbnh l\u00e0 4,5%. H\u00fat \u1ea9m s\u1ebd l\u00e0m cho \u0111\u01b0\u1eddng k\u00ednh tr\u1edf n\u00ean d\u00e0y h\u01a1n v\u00e0 chi\u1ec1u d\u00e0i tr\u1edf n\u00ean d\u00e0i h\u01a1n. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea5t h\u00f3a d\u1ebbo, l\u00e0m cho s\u1ee3i d\u1ec5 b\u1ecb t\u1eeb bi\u1ebfn h\u01a1n. Polyester c\u00f3 t\u1ef7 l\u1ec7 h\u00fat \u1ea9m danh \u0111\u1ecbnh l\u00e0 0,3%, v\u00ec v\u1eady s\u1ebd kh\u00f4ng x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1. Polyester c\u00f3 r\u1ea5t \u00edt s\u1ef1 th\u01b0 gi\u00e3n trong qu\u00e1 tr\u00ecnh k\u00e9o v\u00e0 bi\u1ebfn d\u1ea1ng, v\u00ec v\u1eady polyester c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i v\u00e0 ch\u1ed1ng nh\u0103n t\u1ed1t. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch t\u1eeb s\u1ef1 so s\u00e1nh v\u1ea3i qu\u1ea7n \u00e1o polyester v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. Do \u0111\u00f3, v\u1eadt li\u1ec7u khung v\u1eadn chuy\u1ec3n n\u00ean ch\u1ecdn polyester \u0111\u1ea7u ti\u00ean.<\/p>\n

         <\/p>\n

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

        H\u1ea7u h\u1ebft ng\u01b0\u1eddi d\u00f9ng th\u01b0\u1eddng cho r\u1eb1ng \u0111\u1ed9 gi\u00e3n d\u00e0i khi \u0111\u1ee9t c\u1ee7a v\u1eadt li\u1ec7u khung c\u00e0ng l\u1edbn th\u00ec b\u0103ng t\u1ea3i c\u00e0ng d\u1ec5 “gi\u00e3n”. \u0110\u00e2y l\u00e0 m\u1ed9t quan ni\u1ec7m sai l\u1ea7m r\u1ea5t \u0111i\u1ec3n h\u00ecnh, li\u00ean quan \u0111\u1ebfn th\u00f3i quen s\u1eed d\u1ee5ng v\u1ea3i cotton. \u1ede \u0111\u00e2y, ch\u00fang t\u00f4i \u0111\u1eb7c bi\u1ec7t nh\u1ea5n m\u1ea1nh m\u1ed9t \u0111i\u1ec3m: \u0111\u1ed1i v\u1edbi […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[637],"tags":[689,1470],"class_list":["post-5648","post","type-post","status-publish","format-standard","hentry","category-techinical-news-vi","tag-ep-conveyor-belt-vi","tag-conveyor-belt-prolong-vi"],"_links":{"self":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/5648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/comments?post=5648"}],"version-history":[{"count":0,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/posts\/5648\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/media?parent=5648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/categories?post=5648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sungda.com\/vi\/index.php\/wp-json\/wp\/v2\/tags?post=5648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}