{"id":3538,"date":"2018-04-04T21:11:43","date_gmt":"2018-04-04T13:11:43","guid":{"rendered":"http:\/\/www.bundytubes.com\/?p=3538"},"modified":"2026-10-05T13:03:20","modified_gmt":"2026-10-05T05:03:20","slug":"double-wall-bundy-tubes-single-wall-bundy-tubes","status":"publish","type":"post","link":"https:\/\/www.bundytubes.com\/vi\/double-wall-bundy-tubes-single-wall-bundy-tubes\/","title":{"rendered":"C\u00e1ch ph\u00e2n bi\u1ec7t \u1ed1ng Bundy hai l\u1edbp th\u00e0nh v\u1edbi \u1ed1ng Bundy m\u1ed9t l\u1edbp th\u00e0nh"},"content":{"rendered":"<figure id=\"attachment_3547\" aria-describedby=\"caption-attachment-3547\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"\/bundy-tube-copper-plating\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3547 size-medium\" src=\"\/wp-content\/uploads\/Copper-Coated-Bundy-Tube-1-300x300.jpg\" alt=\"\u1ed0ng Bundy ph\u1ee7 \u0111\u1ed3ng\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.bundytubes.com\/wp-content\/uploads\/Copper-Coated-Bundy-Tube-1-300x300.jpg 300w, https:\/\/www.bundytubes.com\/wp-content\/uploads\/Copper-Coated-Bundy-Tube-1-150x150.jpg 150w, https:\/\/www.bundytubes.com\/wp-content\/uploads\/Copper-Coated-Bundy-Tube-1.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-3547\" class=\"wp-caption-text\">\u1ed0ng Bundy m\u1ea1 \u0111\u1ed3ng<\/figcaption><\/figure>\n<p>Nhi\u1ec1u kh\u00e1ch h\u00e0ng d\u1ec5 nh\u1ea7m l\u1eabn gi\u1eefa t\u00ean g\u1ecdi c\u1ee7a \u1ed1ng Bundy m\u1ed9t l\u1edbp v\u00e0 hai l\u1edbp. \u0110\u00e3 t\u1eebng c\u00f3 tr\u01b0\u1eddng h\u1ee3p kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i c\u1ea7n mua \u1ed1ng Bundy hai l\u1edbp, nh\u01b0ng l\u1ea1i nh\u1eadn \u0111\u01b0\u1ee3c \u1ed1ng m\u1ed9t l\u1edbp \u0111\u01b0\u1ee3c m\u1ea1 \u0111\u1ed3ng c\u1ea3 b\u00ean trong l\u1eabn b\u00ean ngo\u00e0i t\u1eeb nh\u00e0 cung c\u1ea5p kh\u00e1c.<\/p>\n<p>Ng\u01b0\u1eddi mua \u1ed1ng Bundy c\u1ea7n l\u00e0m r\u00f5 ngay t\u1eeb \u0111\u1ea7u v\u1edbi nh\u00e0 cung c\u1ea5p v\u1ec1 vi\u1ec7c y\u00eau c\u1ea7u \u1ed1ng m\u1ed9t l\u1edbp hay hai l\u1edbp.<\/p>\n<p>B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch ph\u00e2n bi\u1ec7t \u1ed1ng Bundy hai l\u1edbp v\u00e0 m\u1ed9t l\u1edbp.<\/p>\n<h3>Th\u00f4ng tin n\u1ec1n<\/h3>\n<p>\u1ed0ng Bundy, ban \u0111\u1ea7u l\u00e0 t\u00ean g\u1ecdi d\u00e0nh ri\u00eang cho lo\u1ea1i \u1ed1ng \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng c\u00e1ch cu\u1ed9n t\u1ea5m th\u00e9p m\u1ed9t g\u00f3c 720 \u0111\u1ed9 v\u00e0 s\u1eed d\u1ee5ng \u0111\u1ed3ng \u0111\u1ec3 h\u00e0n c\u1ee9ng (brazing) hai l\u1edbp \u1ed1ng th\u00e9p. Do \u0111\u00f3, \u1ed1ng Bundy th\u1ef1c ch\u1ea5t ch\u00ednh l\u00e0 \u1ed1ng th\u00e9p hai l\u1edbp \u0111\u01b0\u1ee3c h\u00e0n c\u1ee9ng b\u1eb1ng \u0111\u1ed3ng, nh\u01b0 c\u0169ng \u0111\u01b0\u1ee3c n\u00eau r\u00f5 tr\u00ean trang Wikipedia n\u00e0y: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Bundy_tube\">https:\/\/en.wikipedia.org\/wiki\/Bundy_tube<\/a>.<\/p>\n<p>Lo\u1ea1i \u1ed1ng th\u00e9p h\u00e0n b\u1eb1ng \u0111\u1ed3ng n\u00e0y ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m \u1ed1ng th\u00e9p cho \u0111\u01b0\u1eddng \u1ed1ng phanh th\u1ee7y l\u1ef1c tr\u00ean xe \u00f4 t\u00f4.<\/p>\n<p>Tuy nhi\u00ean, t\u1ea1i m\u1ed9t s\u1ed1 qu\u1ed1c gia nh\u01b0 Trung Qu\u1ed1c v\u00e0 \u1ea4n \u0110\u1ed9, ng\u01b0\u1eddi ta b\u1eaft \u0111\u1ea7u d\u00f9ng thu\u1eadt ng\u1eef \u1ed1ng Bundy \u0111\u1ec3 ch\u1ec9 lo\u1ea1i \u1ed1ng th\u00e9p ERW th\u00e0nh \u0111\u01a1n, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ea5t k\u1ef3 lo\u1ea1i \u1ed1ng th\u00e9p h\u00e0n n\u00e0o kh\u00e1c, ch\u1ec9 c\u00f3 m\u1ed9t l\u1edbp v\u00e0 m\u1ed9t m\u1ed1i h\u00e0n th\u1eb3ng (kh\u00f4ng d\u1ec5 nh\u1eadn th\u1ea5y b\u1eb1ng m\u1eaft th\u01b0\u1eddng). Lo\u1ea1i \u1ed1ng h\u00e0n n\u00e0y c\u00f3 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf v\u00e0 th\u00e0nh m\u1ecfng, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c d\u00f9ng trong b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u1ea1nh, \u0111\u00f4i khi d\u00f9ng l\u00e0m \u0111\u01b0\u1eddng d\u1eabn nhi\u00ean li\u1ec7u tr\u00ean ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng truy\u1ec1n d\u1eabn ch\u1ea5t l\u1ecfng \u00edt quan tr\u1ecdng h\u01a1n.<\/p>\n<figure id=\"attachment_3541\" aria-describedby=\"caption-attachment-3541\" style=\"width: 150px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3541 size-thumbnail\" src=\"\/wp-content\/uploads\/Double-Wall-Brazed-Steel-Tube-Structure-e1670850179716-150x150.jpg\" alt=\"C\u1ea5u tr\u00fac \u1ed1ng th\u00e9p h\u00e0n \u0111\u1ed3ng brazed k\u00e9p\" width=\"150\" height=\"150\" srcset=\"https:\/\/www.bundytubes.com\/wp-content\/uploads\/Double-Wall-Brazed-Steel-Tube-Structure-e1670850179716-150x150.jpg 150w, https:\/\/www.bundytubes.com\/wp-content\/uploads\/Double-Wall-Brazed-Steel-Tube-Structure-e1670850179716.jpg 200w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><figcaption id=\"caption-attachment-3541\" class=\"wp-caption-text\">C\u1ea5u tr\u00fac \u1ed1ng th\u00e9p h\u00e0n hai l\u1edbp<\/figcaption><\/figure>\n<p>C\u1ea3 \u1ed1ng th\u00e9p h\u00e0n m\u1ed9t l\u1edbp v\u00e0 \u1ed1ng th\u00e9p h\u00e0n \u0111\u1ed3ng (Bundy) hai l\u1edbp \u0111\u1ec1u c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng nhau nh\u01b0 \u0111\u1ed9 b\u1ec1n k\u00e9o, \u0111\u1ed9 b\u1ec1n ch\u1ea3y, \u0111\u1ed9 gi\u00e3n d\u00e0i v\u00e0 kh\u1ea3 n\u0103ng loe \u0111\u1ea7u. S\u1ef1 kh\u00e1c bi\u1ec7t quan tr\u1ecdng nh\u1ea5t gi\u1eefa ch\u00fang l\u00e0: \u1ed1ng th\u00e9p Bundy hai l\u1edbp \u0111\u00e1ng tin c\u1eady h\u01a1n nhi\u1ec1u so v\u1edbi \u1ed1ng th\u00e9p ERW m\u1ed9t l\u1edbp nh\u1edd c\u1ea5u tr\u00fac \u0111\u1eb7c bi\u1ec7t \u2014 hai l\u1edbp t\u1ea5m th\u00e9p \u0111\u01b0\u1ee3c h\u00e0n \u1edf nhi\u1ec7t \u0111\u1ed9 720 \u0111\u1ed9 l\u00e0m cho m\u1ed1i h\u00e0n kh\u00f4ng c\u00f2n l\u00e0 m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng d\u1ecdc theo th\u00e2n \u1ed1ng, m\u00e0 c\u00f3 chi\u1ec1u d\u00e0i g\u1ea7n b\u1eb1ng hai l\u1ea7n chu vi c\u1ee7a \u1ed1ng.<\/p>\n<h3>C\u00e1ch ph\u00e2n bi\u1ec7t<\/h3>\n<p>Vi\u1ec7c s\u1ea3n xu\u1ea5t \u1ed1ng th\u00e9p h\u00e0n \u0111\u1ed3ng (Bundy) hai l\u1edbp th\u00e0nh s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m th\u00e9p \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1ea1 \u0111\u1ed3ng \u1edf c\u1ea3 hai m\u1eb7t, do \u0111\u00f3 b\u1ec1 m\u1eb7t trong v\u00e0 ngo\u00e0i c\u1ee7a \u1ed1ng \u0111\u1ec1u c\u00f3 l\u1edbp \u0111\u1ed3ng nguy\u00ean b\u1ea3n; trong khi \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u1ed1ng th\u00e9p h\u00e0n \u0111i\u1ec7n tr\u1edf (ERW) m\u1ed9t l\u1edbp c\u00f3 l\u1edbp \u0111\u1ed3ng m\u1ea1 b\u00ean trong, c\u1ea7n m\u1ea1 \u0111\u1ed3ng l\u00ean m\u1eb7t trong c\u1ee7a t\u1ea5m th\u00e9p, sau \u0111\u00f3 cu\u1ed9n v\u00e0 h\u00e0n, r\u1ed3i cu\u1ed1i c\u00f9ng m\u1edbi m\u1ea1 \u0111\u1ed3ng l\u00ean m\u1eb7t ngo\u00e0i.<\/p>\n<p>Do \u0111\u00f3, n\u1ebfu c\u00f3 th\u1ec3 t\u00e1ch th\u00e0nh \u1ed1ng th\u00e0nh hai l\u1edbp ri\u00eang bi\u1ec7t, th\u00ec ch\u1eafc ch\u1eafn \u0111\u00e2y l\u00e0 \u1ed1ng th\u00e9p h\u00e0n \u0111\u1ed3ng (Bundy) hai l\u1edbp th\u00e0nh; ng\u01b0\u1ee3c l\u1ea1i, \u0111\u00e2y l\u00e0 \u1ed1ng th\u00e9p h\u00e0n \u0111i\u1ec7n tr\u1edf (ERW) m\u1ed9t l\u1edbp.<\/p>\n<figure id=\"attachment_3540\" aria-describedby=\"caption-attachment-3540\" style=\"width: 150px\" class=\"wp-caption alignright\"><a href=\"\/single-wall-welded-steel-tube\/\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3540 size-thumbnail\" src=\"\/wp-content\/uploads\/Single-wall-ERW-steel-tube-structure-150x150.jpg\" alt=\"C\u1ea5u tr\u00fac \u1ed1ng h\u00e0n \u0111i\u1ec7n tr\u1edf th\u00e0nh \u0111\u01a1n\" width=\"150\" height=\"150\" \/><\/a><figcaption id=\"caption-attachment-3540\" class=\"wp-caption-text\">C\u1ea5u tr\u00fac \u1ed1ng h\u00e0n \u0111i\u1ec7n tr\u1edf (ERW) th\u00e0nh \u0111\u01a1n<\/figcaption><\/figure>\n<ol>\n<li>Ch\u1ecdn m\u1ed9t \u0111o\u1ea1n \u1ed1ng ng\u1eafn, c\u1eaft \u1ed1ng th\u00e0nh hai n\u1eeda (m\u1eb7t c\u1eaft ngang c\u1ee7a \u1ed1ng s\u1ebd l\u00e0 hai n\u1eeda h\u00ecnh tr\u00f2n);<\/li>\n<li>Nung n\u00f3ng m\u1ed9t n\u1eeda \u1ed1ng \u1edf nhi\u1ec7t \u0111\u1ed9 g\u1ea7n 1000 \u0111\u1ed9 ho\u1eb7c th\u1eadm ch\u00ed g\u1ea7n 1100 \u0111\u1ed9 (\u0111i\u1ec3m n\u00f3ng ch\u1ea3y c\u1ee7a \u0111\u1ed3ng nguy\u00ean ch\u1ea5t l\u00e0 1083 \u0111\u1ed9) trong th\u1eddi gian \u00edt nh\u1ea5t 1 ph\u00fat;<\/li>\n<li>Khi l\u1ea5y \u0111o\u1ea1n \u1ed1ng n\u1eeda v\u1ecf ra, h\u00e3y d\u00f9ng d\u1ee5ng c\u1ee5 \u00e9p hai m\u00e9p c\u1ee7a \u0111o\u1ea1n \u1ed1ng l\u1ea1i v\u00e0 \u0111\u1ea9y hai m\u00e9p n\u00e0y theo hai h\u01b0\u1edbng ng\u01b0\u1ee3c nhau \u0111\u1ec3 tu\u1ed9t ra (thao t\u00e1c n\u00e0y c\u1ea7n th\u1ef1c hi\u1ec7n nhanh nh\u1ea5t c\u00f3 th\u1ec3 ngay sau khi l\u1ea5y \u0111o\u1ea1n \u1ed1ng ra kh\u1ecfi l\u00f2 nung, tr\u01b0\u1edbc khi \u0111\u1ed3ng \u0111\u00f4ng \u0111\u1eb7c trong kh\u00f4ng kh\u00ed);<\/li>\n<li>N\u1ebfu l\u00e0 \u1ed1ng th\u00e9p h\u00e0n \u0111\u1ed3ng thi\u1ebfc hai l\u1edbp, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng thu \u0111\u01b0\u1ee3c \u00edt nh\u1ea5t hai m\u1ea3nh th\u00e9p m\u1ecfng (n\u1ebfu t\u00ecnh c\u1edd l\u00e0 \u1ed1ng c\u00f3 m\u1ed1i h\u00e0n d\u1ecdc th\u00ec s\u1ebd c\u00f3 3 m\u1ea3nh); ho\u1eb7c \u0111\u00e2y l\u00e0 \u1ed1ng th\u00e9p h\u00e0n \u0111i\u1ec7n tr\u1edf (ERW) m\u1ed9t l\u1edbp, \u0111\u01b0\u1ee3c m\u1ea1 \u0111\u1ed3ng c\u1ea3 m\u1eb7t trong v\u00e0 m\u1eb7t ngo\u00e0i.<\/li>\n<\/ol>\n<p>C\u1ea6N C\u1ea8N TH\u1eacN V\u1edaI NHI\u1ec6T \u0110\u1ed8 CAO V\u00c0 LU\u00d4N S\u1eec D\u1ee4NG THI\u1ebeT B\u1eca B\u1ea2O H\u1ed8 PH\u00d9 H\u1ee2P!<\/p>\n<script type=\"text\/javascript\" charset=\"utf-8\" src=\"http:\/\/w.sharethis.com\/widget\/?wp=7.1.2\"><\/script>","protected":false},"excerpt":{"rendered":"<p>Nhi\u1ec1u kh\u00e1ch h\u00e0ng d\u1ec5 nh\u1ea7m l\u1eabn gi\u1eefa t\u00ean g\u1ecdi c\u1ee7a \u1ed1ng Bundy m\u1ed9t l\u1edbp v\u00e0 hai l\u1edbp. \u0110\u00e3 t\u1eebng c\u00f3 tr\u01b0\u1eddng h\u1ee3p kh\u00e1ch h\u00e0ng c\u1ee7a ch\u00fang t\u00f4i c\u1ea7n mua \u1ed1ng Bundy hai l\u1edbp, nh\u01b0ng l\u1ea1i nh\u1eadn \u0111\u01b0\u1ee3c \u1ed1ng m\u1ed9t l\u1edbp \u0111\u01b0\u1ee3c m\u1ea1 \u0111\u1ed3ng c\u1ea3 b\u00ean trong l\u1eabn b\u00ean ngo\u00e0i t\u1eeb nh\u00e0 cung c\u1ea5p kh\u00e1c. Ng\u01b0\u1eddi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3547,"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":"default","ast-page-background-enabled":"default","ast-page-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[11],"tags":[],"class_list":["post-3538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tube-tech"],"_links":{"self":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/posts\/3538","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/comments?post=3538"}],"version-history":[{"count":0,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/posts\/3538\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/media\/3547"}],"wp:attachment":[{"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/media?parent=3538"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/categories?post=3538"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bundytubes.com\/vi\/wp-json\/wp\/v2\/tags?post=3538"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}