{"id":2829,"date":"2021-10-30T11:43:37","date_gmt":"2021-10-30T11:43:37","guid":{"rendered":"http:\/\/www.nonwovenmillrolls.com\/?p=2234"},"modified":"2026-10-13T15:07:12","modified_gmt":"2026-10-13T15:07:12","slug":"comparison-of-two-typical-20-high-rolling-mills","status":"publish","type":"post","link":"https:\/\/www.nonwovenmillrolls.com\/vn\/comparison-of-two-typical-20-high-rolling-mills\/","title":{"rendered":"So s\u00e1nh hai lo\u1ea1i m\u00e1y c\u00e1n 20 tr\u1ee5c \u0111i\u1ec3n h\u00ecnh"},"content":{"rendered":"\n<figure class=\"wp-block-image alignright size-full\"><img decoding=\"async\" src=\"http:\/\/www.nonwovenmillrolls.com\/wp-content\/uploads\/image-2.png\" alt=\"\" class=\"wp-image-2513\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u1ed9 c\u1ee9ng cao c\u1ee7a n\u00f3, m\u00e1y c\u00e1n 20 tr\u1ee5c hi\u1ec7n \u0111ang l\u00e0 lo\u1ea1i m\u00e1y c\u00e1n ngu\u1ed9i th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ee7 y\u1ebfu tr\u00ean th\u1ebf gi\u1edbi, trong khi c\u00e1c m\u00e1y c\u00e1n Sendzimir v\u00e0 Sundwick chi\u1ebfm kho\u1ea3ng 90% t\u1ed5ng s\u1ed1 m\u00e1y c\u00e1n 20 tr\u1ee5c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1 C\u1ea5u h\u00ecnh h\u1ec7 th\u1ed1ng con l\u0103n c\u1ee7a m\u00e1y c\u00e1n 20 tr\u1ee5c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y c\u00e1n 20 tr\u1ee5c \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo ki\u1ec3u m\u1ed9t gi\u00e1 c\u00e1n \u0111\u1ea3o chi\u1ec1u, v\u1edbi kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t linh ho\u1ea1t v\u00e0 d\u1ea3i s\u1ea3n ph\u1ea9m r\u1ed9ng. S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng tr\u1ee5c c\u00e1n \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 1. M\u00e1y s\u1eed d\u1ee5ng b\u1ed1 tr\u00ed h\u1ec7 th\u1ed1ng tr\u1ee5c d\u1ea1ng th\u00e1p; l\u1ef1c c\u00e1n \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb tr\u1ee5c c\u00e1n c\u00f4ng t\u00e1c \u0111\u1ebfn thi\u1ebft b\u1ecb tr\u1ee5c \u0111\u1ee1 th\u00f4ng qua tr\u1ee5c trung gian, v\u00e0 cu\u1ed1i c\u00f9ng \u0111\u1ebfn c\u00e1c khung tr\u00ean v\u00e0 d\u01b0\u1edbi. Tr\u1ee5c c\u00e1n c\u00f4ng t\u00e1c \u0111\u01b0\u1ee3c \u0111\u1ee1 t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m d\u1ecdc theo to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i, do \u0111\u00f3 bi\u1ebfn d\u1ea1ng u\u1ed1n c\u1ee7a tr\u1ee5c r\u1ea5t nh\u1ecf, v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 l\u1ec7ch v\u1ec1 \u0111\u1ed9 d\u00e0y r\u1ea5t ch\u00ednh x\u00e1c theo chi\u1ec1u r\u1ed9ng c\u1ee7a ph\u00f4i c\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng tr\u1ee5c l\u0103n c\u1ee7a m\u00e1y c\u00e1n \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m, m\u1ed7i nh\u00f3m c\u00f3 10 tr\u1ee5c l\u0103n. M\u1ed7i nh\u00f3m bao g\u1ed3m m\u1ed9t tr\u1ee5c l\u0103n c\u00f4ng t\u00e1c, hai tr\u1ee5c l\u0103n trung gian th\u1ee9 nh\u1ea5t, ba tr\u1ee5c l\u0103n trung gian th\u1ee9 hai v\u00e0 b\u1ed1n tr\u1ee5c l\u0103n \u0111\u1ee1. C\u00e1c tr\u1ee5c l\u0103n \u0111\u1ee1 s\u1eed d\u1ee5ng y\u00ean \u0111\u1ee1 v\u00e0 \u1ed5 \u0111\u1ee1 ph\u00e2n \u0111o\u1ea1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111a \u0111i\u1ec3m, trong khi c\u00e1c tr\u1ee5c l\u0103n c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 \u0111\u1ee1 c\u1ed1 \u0111\u1ecbnh. Trong s\u1ed1 s\u00e1u tr\u1ee5c l\u0103n trung gian tr\u00ean v\u00e0 d\u01b0\u1edbi, c\u00f3 4 tr\u1ee5c l\u0103n d\u1eabn \u0111\u1ed9ng v\u00e0 2 tr\u1ee5c l\u0103n b\u1ecb d\u1eabn \u0111\u1ed9ng. C\u00e1c tr\u1ee5c l\u0103n \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ed9ng b\u1eb1ng l\u1ef1c ma s\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2 \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u00e1y c\u00e1n Sendzimir 20 tr\u1ee5c<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">2.1 Khung m\u00e1y c\u00e1n<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y c\u00e1n 20 tr\u1ee5c Sendzimir l\u00e0 m\u1ed9t m\u00e1y c\u00e1n k\u00edn v\u1edbi c\u1ee5m tr\u1ee5c t\u00edch h\u1ee3p, nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 2. Khung m\u00e1y \u0111\u01b0\u1ee3c \u0111\u00fac li\u1ec1n kh\u1ed1i v\u1edbi \u0111\u1ed9 c\u1ee9ng cao. 8 l\u1ed7 khoan h\u00ecnh hoa mai \u0111\u01b0\u1ee3c gia c\u00f4ng tr\u00ean kh\u1ed1i th\u00e9p \u0111\u00fac li\u1ec1n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb con l\u0103n \u0111\u1ee1, gi\u00fap \u0111\u1ea3m b\u1ea3o l\u1ef1c c\u00e1n \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean khung m\u00e1y v\u00e0 gi\u1ea3m bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a h\u1ec7 th\u1ed1ng tr\u1ee5c c\u00e1n. Thi\u1ebft b\u1ecb c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n ba so v\u1edbi m\u00e1y c\u00e1n 4 tr\u1ee5c c\u00f9ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. M\u00e1y c\u00e1n c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 y\u00eau c\u1ea7u v\u1ed1n \u0111\u1ea7u t\u01b0 th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai m\u01b0\u01a1i con l\u0103n \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o khung theo ki\u1ec3u x\u1ebfp ch\u1ed3ng v\u00f2ng. M\u00e1y c\u00e1n s\u1eed d\u1ee5ng khung b\u00ean ch\u1ecbu t\u1ea3i n\u1eb7ng v\u00e0 c\u1ea5u tr\u00fac t\u1ea5m tr\u00ean v\u00e0 d\u01b0\u1edbi d\u1ea1ng c\u00f4n, thu\u00f4n d\u1ea7n t\u1eeb gi\u1eefa ra ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau c\u1ee7a m\u00e1y c\u00e1n, nh\u1edd \u0111\u00f3 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1ecf m\u00e1y c\u00e1n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u h\u01a1n d\u1ecdc theo chi\u1ec1u r\u1ed9ng c\u1ee7a m\u00e1y c\u00e1n, v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m &#8220;\u0111\u1ec9nh b\u1eb1ng kh\u00f4ng&#8221;.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u1ec7 th\u1ed1ng tr\u1ee5c l\u0103n c\u1ee7a m\u00e1y c\u00e1n \u0111\u01b0\u1ee3c chia th\u00e0nh hai nh\u00f3m, m\u1ed7i nh\u00f3m c\u00f3 10 tr\u1ee5c l\u0103n. M\u1ed7i nh\u00f3m bao g\u1ed3m m\u1ed9t tr\u1ee5c l\u0103n c\u00f4ng t\u00e1c, hai tr\u1ee5c l\u0103n trung gian th\u1ee9 nh\u1ea5t, ba tr\u1ee5c l\u0103n trung gian th\u1ee9 hai v\u00e0 b\u1ed1n tr\u1ee5c l\u0103n \u0111\u1ee1. C\u00e1c tr\u1ee5c l\u0103n \u0111\u1ee1 s\u1eed d\u1ee5ng y\u00ean \u0111\u1ee1 v\u00e0 \u1ed5 \u0111\u1ee1 ph\u00e2n \u0111o\u1ea1n \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111a \u0111i\u1ec3m, trong khi c\u00e1c tr\u1ee5c l\u0103n c\u00f2n l\u1ea1i \u0111\u01b0\u1ee3c x\u1ebfp ch\u1ed3ng tr\u1ef1c ti\u1ebfp m\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 \u0111\u1ee1 c\u1ed1 \u0111\u1ecbnh. Trong s\u1ed1 s\u00e1u tr\u1ee5c l\u0103n trung gian tr\u00ean v\u00e0 d\u01b0\u1edbi, c\u00f3 4 tr\u1ee5c l\u0103n d\u1eabn \u0111\u1ed9ng v\u00e0 2 tr\u1ee5c l\u0103n b\u1ecb d\u1eabn \u0111\u1ed9ng. C\u00e1c tr\u1ee5c l\u0103n \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ed9ng b\u1eb1ng l\u1ef1c ma s\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2 \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a m\u00e1y c\u00e1n Sendzimir 20 tr\u1ee5c<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">2.1 Khung m\u00e1y c\u00e1n<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y c\u00e1n 20 tr\u1ee5c Sendzimir l\u00e0 m\u1ed9t m\u00e1y c\u00e1n k\u00edn v\u1edbi c\u1ee5m tr\u1ee5c t\u00edch h\u1ee3p, nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 2. Khung m\u00e1y \u0111\u01b0\u1ee3c \u0111\u00fac li\u1ec1n kh\u1ed1i v\u1edbi \u0111\u1ed9 c\u1ee9ng cao. 8 l\u1ed7 khoan h\u00ecnh hoa mai \u0111\u01b0\u1ee3c gia c\u00f4ng tr\u00ean kh\u1ed1i th\u00e9p \u0111\u00fac li\u1ec1n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb con l\u0103n \u0111\u1ee1, gi\u00fap \u0111\u1ea3m b\u1ea3o l\u1ef1c c\u00e1n \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u l\u00ean khung m\u00e1y v\u00e0 gi\u1ea3m bi\u1ebfn d\u1ea1ng kh\u00f4ng \u0111\u1ec1u c\u1ee7a h\u1ec7 th\u1ed1ng tr\u1ee5c c\u00e1n. Thi\u1ebft b\u1ecb c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, ch\u1ec9 b\u1eb1ng m\u1ed9t ph\u1ea7n ba so v\u1edbi m\u00e1y c\u00e1n 4 tr\u1ee5c c\u00f9ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt. M\u00e1y c\u00e1n c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf v\u00e0 y\u00eau c\u1ea7u v\u1ed1n \u0111\u1ea7u t\u01b0 th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai m\u01b0\u01a1i con l\u0103n \u0111\u01b0\u1ee3c l\u1eafp v\u00e0o khung theo ki\u1ec3u x\u1ebfp ch\u1ed3ng v\u00f2ng. M\u00e1y c\u00e1n s\u1eed d\u1ee5ng khung b\u00ean ch\u1ecbu t\u1ea3i n\u1eb7ng v\u00e0 c\u1ea5u tr\u00fac t\u1ea5m tr\u00ean v\u00e0 d\u01b0\u1edbi d\u1ea1ng c\u00f4n, thu\u00f4n d\u1ea7n t\u1eeb gi\u1eefa ra ph\u00eda tr\u01b0\u1edbc v\u00e0 ph\u00eda sau c\u1ee7a m\u00e1y c\u00e1n, nh\u1edd \u0111\u00f3 bi\u1ebfn d\u1ea1ng c\u1ee7a v\u1ecf m\u00e1y c\u00e1n d\u01b0\u1edbi t\u1ea3i tr\u1ecdng \u0111\u01b0\u1ee3c ph\u00e2n b\u1ed1 \u0111\u1ec1u h\u01a1n d\u1ecdc theo chi\u1ec1u r\u1ed9ng c\u1ee7a m\u00e1y c\u00e1n, v\u1edbi \u0111\u1eb7c \u0111i\u1ec3m &#8220;\u0111\u1ec9nh b\u1eb1ng kh\u00f4ng&#8221;.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.2 H\u1ec7 th\u1ed1ng \u00e9p xu\u1ed1ng<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u00e9p \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch xoay v\u00f2ng l\u1ec7ch t\u00e2m c\u1ee7a hai con l\u0103n \u0111\u1ee1 trung gian ph\u00eda tr\u00ean B v\u00e0 C. C\u1ea5u t\u1ea1o c\u1ee7a c\u00e1c con l\u0103n B v\u00e0 C \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong H\u00ecnh 3. S\u1ef1 quay c\u1ee7a v\u00f2ng l\u1ec7ch t\u00e2m c\u1ee7a c\u00e1c con l\u0103n B v\u00e0 C l\u00e0m cho m\u1ed9t c\u1eb7p b\u00e1nh r\u0103ng cung tr\u00f2n \u0103n kh\u1edbp v\u1edbi thanh r\u0103ng hai m\u1eb7t di chuy\u1ec3n l\u00ean xu\u1ed1ng, t\u1eeb \u0111\u00f3 l\u00e0m quay tr\u1ee5c l\u1ec7ch t\u00e2m \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c \u00e9p v\u00e0 n\u00e2ng h\u1ea1 tr\u1ee5c c\u00e1n. V\u00f2ng l\u1ec7ch t\u00e2m \u0111\u01b0\u1ee3c l\u1eafp tr\u00ean \u1ed5 bi kim c\u1ee7a y\u00ean \u0111\u1ee1, do \u0111\u00f3 m\u00f4men l\u1ef1c c\u1ea3n chuy\u1ec3n \u0111\u1ed9ng nh\u1ecf h\u01a1n nhi\u1ec1u so v\u1edbi v\u00edt c\u1ee7a m\u00e1y c\u00e1n th\u00f4ng th\u01b0\u1eddng. M\u00e1y c\u00e1n 20 tr\u1ee5c c\u0169ng c\u00f3 th\u1ec3 quay r\u1ea5t nh\u1eb9 nh\u00e0ng v\u00e0 linh ho\u1ea1t trong qu\u00e1 tr\u00ecnh c\u00e1n.<\/p>\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=7.1.3\"><\/script>","protected":false},"excerpt":{"rendered":"<p>Do \u0111\u1ed9 c\u1ee9ng cao c\u1ee7a n\u00f3, m\u00e1y c\u00e1n 20 tr\u1ee5c hi\u1ec7n \u0111ang l\u00e0 lo\u1ea1i m\u00e1y c\u00e1n ngu\u1ed9i th\u00e9p kh\u00f4ng g\u1ec9 ch\u1ee7 y\u1ebfu tr\u00ean th\u1ebf gi\u1edbi, trong khi c\u00e1c m\u00e1y c\u00e1n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2830,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[43],"class_list":["post-2829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-techniques","tag-steel-rolling-mill"],"_links":{"self":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/posts\/2829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/comments?post=2829"}],"version-history":[{"count":0,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/posts\/2829\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/media\/2830"}],"wp:attachment":[{"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/media?parent=2829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/categories?post=2829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nonwovenmillrolls.com\/vn\/wp-json\/wp\/v2\/tags?post=2829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}