{"id":567,"date":"2022-02-08T09:24:07","date_gmt":"2022-02-08T09:24:07","guid":{"rendered":"https:\/\/xintaivalves.com\/?p=567"},"modified":"2022-02-20T02:44:21","modified_gmt":"2022-02-20T02:44:21","slug":"manufacturing-of-valves","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/","title":{"rendered":"S\u1ea3n xu\u1ea5t van"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Chuy\u1ec3n \u0111\u1ed5i m\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Chuy\u1ec3n \u0111\u1ed5i<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#1_Design_and_Order\" >1. Thi\u1ebft k\u1ebf v\u00e0 \u0111\u1eb7t h\u00e0ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#2_Inventories\" >2 h\u00e0ng t\u1ed3n kho<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#3_Checklist_completion\" >3. Ho\u00e0n th\u00e0nh danh s\u00e1ch ki\u1ec3m tra<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#4_The_Production_Process\" >4. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#1_The_Casting_Process\" >1: Qu\u00e1 tr\u00ecnh \u0111\u00fac<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Physique\" >V\u00f3c d\u00e1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Seat\" >Gh\u1ebf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Stem\" >Th\u00e2n c\u00e2y<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#2_The_Forged_Technique\" >2: K\u1ef9 thu\u1eadt r\u00e8n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Cutting_and_Forging\" >C\u1eaft v\u00e0 r\u00e8n.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Trimming_down\" >C\u1eaft t\u1ec9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Sandblasting\" >phun c\u00e1t.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Matching\" >ph\u00f9 h\u1ee3p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#Surface_Preparation\" >Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#5_Bring_it_all_together\" >5. Mang t\u1ea5t c\u1ea3 l\u1ea1i v\u1edbi nhau<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#6_Pressure_Test\" >6. Ki\u1ec3m tra \u00e1p su\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#7_Quality_Management_and_Inspection\" >7. Qu\u1ea3n l\u00fd v\u00e0 Thanh tra Ch\u1ea5t l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.xintaivalves.com\/vi\/blog\/manufacturing-of-valves\/#In_conclusion\" >T\u00f3m l\u1ea1i l\u00e0<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng c\u00f3 van, c\u1ea5u tr\u00fac \u0111\u01b0\u1eddng \u1ed1ng kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7. C\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t van ph\u1ea3i s\u1ea3n xu\u1ea5t van ch\u1ea5t l\u01b0\u1ee3ng cao v\u00ec an to\u00e0n v\u00e0 tu\u1ed5i th\u1ecd l\u00e0 nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t trong giai \u0111o\u1ea1n \u0111\u01b0\u1eddng \u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00ed m\u1eadt c\u1ee7a van hi\u1ec7u su\u1ea5t cao l\u00e0 g\u00ec? \u0110i\u1ec1u g\u00ec gi\u00fap h\u1ecd l\u00e0m vi\u1ec7c t\u1ed1t h\u01a1n? C\u00f3 ph\u1ea3i do ch\u1ea5t li\u1ec7u? C\u00e1c thi\u1ebft b\u1ecb hi\u1ec7u chu\u1ea9n c\u00f3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t kh\u00f4ng? Th\u1ef1c t\u1ebf l\u00e0 t\u1ea5t c\u1ea3 nh\u1eefng \u0111i\u1ec1u n\u00e0y \u0111\u1ec1u quan tr\u1ecdng. Tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o c\u00e1c \u0111i\u1ec3m t\u1ed1t h\u01a1n c\u1ee7a van c\u00f4ng nghi\u1ec7p, \u0111i\u1ec1u quan tr\u1ecdng tr\u01b0\u1edbc ti\u00ean l\u00e0 ph\u1ea3i hi\u1ec3u van \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y s\u1ebd \u0111i s\u00e2u v\u00e0o to\u00e0n b\u1ed9 quy tr\u00ecnh s\u1ea3n xu\u1ea5t van c\u00f4ng nghi\u1ec7p t\u1eeb \u0111\u1ea7u \u0111\u1ebfn cu\u1ed1i. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap b\u1ea1n \u0111\u1ecdc hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 quy tr\u00ecnh s\u1ea3n xu\u1ea5t van c\u00f4ng nghi\u1ec7p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-design-and-order\"><span class=\"ez-toc-section\" id=\"1_Design_and_Order\"><\/span><strong>1. Thi\u1ebft k\u1ebf v\u00e0 \u0111\u1eb7t h\u00e0ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ea7u ti\u00ean, kh\u00e1ch h\u00e0ng \u0111\u1eb7t mua van, van t\u00f9y ch\u1ec9nh ho\u1eb7c van, t\u1eeb danh s\u00e1ch c\u00e1c thi\u1ebft k\u1ebf van \u0111\u00e3 c\u00f3 s\u1eb5n. Trong tr\u01b0\u1eddng h\u1ee3p c\u00e1 nh\u00e2n h\u00f3a, c\u00f4ng ty cung c\u1ea5p cho kh\u00e1ch h\u00e0ng m\u1ed9t m\u1eabu. \u0110\u01a1n \u0111\u1eb7t h\u00e0ng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t sau khi thi\u1ebft k\u1ebf \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn b\u1edfi thi\u1ebft k\u1ebf sau. Ti\u1ec1n \u0111\u1eb7t c\u1ecdc gi\u1eef ch\u1ed7 c\u0169ng \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng cung c\u1ea5p cho c\u00f4ng ty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-inventories\"><span class=\"ez-toc-section\" id=\"2_Inventories\"><\/span><strong>2 h\u00e0ng t\u1ed3n kho<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 ph\u1eadn s\u1ea3n xu\u1ea5t s\u1ebd t\u00ecm ki\u1ebfm nguy\u00ean li\u1ec7u th\u00f4 cho th\u00e2n, \u1ed1ng ch\u1ec9, th\u00e2n v\u00e0 n\u1eafp ca-p\u00f4 sau khi c\u00f3 \u0111\u01a1n \u0111\u1eb7t h\u00e0ng v\u00e0 qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf b\u1eaft \u0111\u1ea7u. N\u1ebfu thi\u1ebfu ngu\u1ed3n cung c\u1ea5p, b\u1ed9 ph\u1eadn s\u1ea3n xu\u1ea5t s\u1ebd \u0111\u1eb7t h\u00e0ng t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-checklist-completion\"><span class=\"ez-toc-section\" id=\"3_Checklist_completion\"><\/span><strong>3. Ho\u00e0n th\u00e0nh danh s\u00e1ch ki\u1ec3m tra<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c ngu\u1ed3n cung c\u1ea5p \u0111\u00e3 \u0111\u1ebfn, nh\u00f3m s\u1ea3n xu\u1ea5t s\u1ebd ki\u1ec3m tra l\u1ea1i danh s\u00e1ch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ecdi th\u1ee9 \u0111\u1ec1u theo th\u1ee9 t\u1ef1. C\u0169ng \u1edf giai \u0111o\u1ea1n n\u00e0y, b\u1ea3n th\u1ea3o cu\u1ed1i c\u00f9ng c\u1ee7a thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn. Nh\u00f3m \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng ki\u1ec3m tra c\u1ea9n th\u1eadn c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-the-production-process\"><span class=\"ez-toc-section\" id=\"4_The_Production_Process\"><\/span><strong>4. Quy tr\u00ecnh s\u1ea3n xu\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y bao g\u1ed3m ph\u1ea7n l\u1edbn c\u00e1c ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t van c\u00f4ng nghi\u1ec7p. M\u1ed7i th\u00e0nh ph\u1ea7n ch\u00ednh \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m th\u1ee7 c\u00f4ng. Th\u00f4ng th\u01b0\u1eddng, c\u00f3 m\u1ed9t danh s\u00e1ch ki\u1ec3m tra li\u1ec7t k\u00ea t\u1ea5t c\u1ea3 t\u00ean c\u1ee7a c\u00e1c ph\u1ee5 t\u00f9ng thay th\u1ebf v\u00e0 c\u00e1c v\u1eadt li\u1ec7u n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho t\u1eebng lo\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u01b0\u1edfng nh\u00f3m \u0111\u01b0a ra m\u1ed1c th\u1eddi gian cho qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t th\u1ef1c t\u1ebf t\u1eeb khi b\u1eaft \u0111\u1ea7u quy tr\u00ecnh \u0111\u1ebfn ng\u00e0y k\u1ebft th\u00fac \u1edf giai \u0111o\u1ea1n n\u00e0y. Ngo\u00e0i ra, nh\u00e0 l\u00e3nh \u0111\u1ea1o ph\u00e1t tri\u1ec3n m\u1ed9t k\u1ebf ho\u1ea1ch t\u1ed5 ch\u1ee9c to\u00e0n di\u1ec7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hai ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 s\u1ea3n xu\u1ea5t van \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-the-casting-process\"><span class=\"ez-toc-section\" id=\"1_The_Casting_Process\"><\/span>1: Qu\u00e1 tr\u00ecnh \u0111\u00fac<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"physique\"><span class=\"ez-toc-section\" id=\"Physique\"><\/span><strong>V\u00f3c d\u00e1ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t ch\u1ea5t \u0111\u1ecbnh h\u00ecnh s\u1eb5n \u0111\u00e3 \u0111\u01b0\u1ee3c r\u1eeda s\u1ea1ch. M\u1ed9t ho\u1ea1t \u0111\u1ed9ng xoay \u0111i k\u00e8m v\u1edbi l\u00e0m s\u1ea1ch. Ti\u1ec7n l\u00e0 qu\u00e1 tr\u00ecnh c\u1eaft b\u1ecf v\u1eadt li\u1ec7u th\u1eeba b\u1eb1ng m\u00e1y ti\u1ec7n ho\u1eb7c m\u00e1y ti\u1ec7n. N\u00f3 y\u00eau c\u1ea7u l\u1eafp ph\u1ea7n th\u00e2n \u0111\u1ecbnh h\u00ecnh s\u1eb5n v\u00e0 k\u1ebft n\u1ed1i n\u00f3 v\u1edbi \u0111\u1ed9ng c\u01a1 quay. H\u1ec7 th\u1ed1ng n\u00e0y quay v\u1edbi t\u1ed1c \u0111\u1ed9 nhanh. M\u00e1y c\u1eaft m\u1ed9t \u0111i\u1ec3m c\u1eaft th\u00e2n m\u00e1y th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n v\u00e0 ch\u00ednh x\u00e1c khi n\u00f3 quay. Ngo\u00e0i ra, ti\u1ec7n s\u1ebd t\u1ea1o ra c\u00e1c r\u00e3nh v\u00e0 l\u1ed7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 m\u1ea1 \u0111i\u1ec7n kim lo\u1ea1i, v\u1edbi l\u1edbp m\u1ea1 \u0111\u1ed3ng tr\u00ean c\u00e1c b\u1ed9 ph\u1eadn kh\u00e1c nhau c\u1ee7a th\u00e2n van. M\u1ea1 \u0111\u1ed3ng \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u01a1 th\u1ec3 \u0111\u01b0\u1ee3c ni\u00eam phong ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111\u00e1nh b\u00f3ng c\u01a1 th\u1ec3 l\u00e0 \u0111\u1ed9ng th\u00e1i ti\u1ebfp theo. Sau \u0111\u00f3, c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean s\u1ebd t\u1ea1o c\u00e1c ren cho ph\u00e9p c\u00e1c b\u1ed9 ph\u1eadn van nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng kh\u00e1c. V\u00ec c\u00e1c van li\u00ean quan \u0111\u1ebfn c\u00e1c l\u1ed7, n\u00ean vi\u1ec7c t\u1ea1o l\u1ed7 c\u0169ng x\u1ea3y ra. H\u00e3y nh\u1edb r\u1eb1ng k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c l\u1ed7 trong m\u1ed7i van kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. \u0110\u00e2y l\u00e0 n\u01a1i c\u00e1c quy t\u1eafc v\u00e0 quy \u0111\u1ecbnh \u0111\u00f3ng m\u1ed9t vai tr\u00f2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c van sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 Teflon ho\u1eb7c m\u1ed9t d\u1ea1ng ch\u1ea5t \u0111\u00e0n h\u1ed3i kh\u00e1c. Sau khi s\u01a1n, \u0111\u00e3 \u0111\u1ebfn l\u00fac n\u01b0\u1edbng. Baking li\u00ean k\u1ebft Teflon v\u1edbi c\u01a1 th\u1ec3 con ng\u01b0\u1eddi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"seat\"><span class=\"ez-toc-section\" id=\"Seat\"><\/span><strong>Gh\u1ebf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gh\u1ebf \u0111i qua c\u00f9ng m\u1ed9t th\u1ee9 nh\u01b0 c\u01a1 th\u1ec3. V\u00ec y\u00ean xe n\u1eb1m b\u00ean trong th\u00e2n m\u00e1y v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t chi\u1ebfc van, n\u00ean n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c l\u1eafp v\u1eeba kh\u00edt v\u1edbi \u0111\u1ea7u n\u1ed1i c\u1ee7a n\u00f3 \u0111\u1ec3 \u0111\u01b0\u1ee3c l\u00e0m k\u00edn th\u00edch h\u1ee3p. Y\u00ean xe c\u00f3 th\u00eam m\u1ed9t l\u1edbp cao su b\u1ecdc ngo\u00e0i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 \u00f4m s\u00e1t, trong khi th\u00e2n xe ch\u1ec9 c\u00f3 Teflon.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"stem\"><span class=\"ez-toc-section\" id=\"Stem\"><\/span><strong>Th\u00e2n c\u00e2y<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a th\u00e2n c\u00e2y, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i c\u00f3 t\u1ef7 l\u1ec7 ph\u00f9 h\u1ee3p v\u00e0 n\u00f3 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t m\u1ed9t c\u00e1ch ho\u00e0n h\u1ea3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-the-forged-technique\"><span class=\"ez-toc-section\" id=\"2_The_Forged_Technique\"><\/span><strong>2: K\u1ef9 thu\u1eadt r\u00e8n<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00f3m t\u1eaft ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3 m\u1ea1o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"cutting-and-forging\"><span class=\"ez-toc-section\" id=\"Cutting_and_Forging\"><\/span><strong>C\u1eaft v\u00e0 r\u00e8n.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi thu th\u1eadp v\u1eadt li\u1ec7u, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 c\u1eaft n\u00f3 th\u00e0nh c\u00e1c chi\u1ec1u d\u00e0i v\u00e0 chi\u1ec1u r\u1ed9ng th\u00edch h\u1ee3p. Sau \u0111\u00f3, m\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng m\u1ed9t ph\u1ea7n v\u00e0 r\u00e8n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"trimming-down\"><span class=\"ez-toc-section\" id=\"Trimming_down\"><\/span><strong>C\u1eaft t\u1ec9a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1eaft t\u1ec9a l\u00e0 \u0111\u1ed9ng th\u00e1i ti\u1ebfp theo. V\u1eadt li\u1ec7u d\u01b0 th\u1eeba ho\u1eb7c m\u0169i khoan \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf theo c\u00e1ch n\u00e0y. Sau \u0111\u00f3, c\u01a1 th\u1ec3 \u0111\u01b0\u1ee3c chi\u1ebfu s\u00e1ng \u0111\u1ec3 t\u1ea1o cho n\u00f3 h\u00ecnh d\u1ea1ng van ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"sandblasting\"><span class=\"ez-toc-section\" id=\"Sandblasting\"><\/span><strong>phun c\u00e1t.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Giai \u0111o\u1ea1n ti\u1ebfp theo l\u00e0 phun c\u00e1t. K\u1ebft qu\u1ea3 l\u00e0 van ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru v\u00e0 s\u1ea1ch s\u1ebd. K\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c quy\u1ebft \u0111\u1ecbnh b\u1edfi c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ho\u1eb7c mong \u0111\u1ee3i c\u1ee7a kh\u00e1ch h\u00e0ng. \u0110\u1ea7u ti\u00ean, c\u00e1c van \u0111\u01b0\u1ee3c s\u1eafp x\u1ebfp \u0111\u1ec3 lo\u1ea1i b\u1ecf nh\u1eefng van b\u1ecb l\u1ed7i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"matching\"><span class=\"ez-toc-section\" id=\"Matching\"><\/span><strong>ph\u00f9 h\u1ee3p<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m k\u1ef9 thu\u1eadt v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a ng\u01b0\u1eddi ti\u00eau d\u00f9ng, gia c\u00f4ng t\u0103ng c\u01b0\u1eddng k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a ren, l\u1ed7 v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"surface-preparation\"><span class=\"ez-toc-section\" id=\"Surface_Preparation\"><\/span><strong>Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 axit v\u00e0 h\u00f3a ch\u1ea5t kh\u00e1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t van.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-bring-it-all-together\"><span class=\"ez-toc-section\" id=\"5_Bring_it_all_together\"><\/span><strong>5. Mang t\u1ea5t c\u1ea3 l\u1ea1i v\u1edbi nhau<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p l\u00e0 khi c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean g\u1eafn t\u1ea5t c\u1ea3 c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a van. Vi\u1ec7c l\u1eafp r\u00e1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng tay. T\u1ea1i th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean g\u00e1n s\u1ed1 \u0111\u1ea7u ra v\u00e0 k\u00fd hi\u1ec7u cho c\u00e1c van d\u1ef1a tr\u00ean c\u00e1c quy \u0111\u1ecbnh c\u00f3 hi\u1ec7u l\u1ef1c, ch\u1eb3ng h\u1ea1n nh\u01b0 DIN ho\u1eb7c API.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-pressure-test\"><span class=\"ez-toc-section\" id=\"6_Pressure_Test\"><\/span><strong>6. Ki\u1ec3m tra \u00e1p su\u1ea5t<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Van ph\u1ea3i \u0111\u01b0\u1ee3c ki\u1ec3m tra \u00e1p su\u1ea5t r\u00f2 r\u1ec9 th\u1ef1c trong qu\u00e1 tr\u00ecnh th\u1eed \u00e1p su\u1ea5t. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, kh\u00f4ng kh\u00ed \u1edf \u00e1p su\u1ea5t 6-8 bar s\u1ebd l\u1ea5p \u0111\u1ea7y van \u0111\u00f3ng trong m\u1ed9t th\u1eddi gian. T\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc van, qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb 2 gi\u1edd \u0111\u1ebfn m\u1ed9t ng\u00e0y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1eeda ch\u1eefa van x\u1ea3y ra n\u1ebfu r\u00f2 r\u1ec9 x\u1ea3y ra trong d\u00f2ng th\u1eddi gian.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c1p l\u1ef1c n\u01b0\u1edbc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p. Van v\u01b0\u1ee3t qua b\u00e0i ki\u1ec3m tra n\u1ebfu n\u00f3 kh\u00f4ng b\u1ecb r\u00f2 r\u1ec9 khi l\u01b0\u1ee3ng n\u01b0\u1edbc t\u0103ng l\u00ean. \u0110i\u1ec1u n\u00e0y cho th\u1ea5y r\u1eb1ng van c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ee9c c\u0103ng gia t\u0103ng. Van v\u1ec1 kho n\u1ebfu b\u1ecb r\u00f2 r\u1ec9. Cho \u0111\u1ebfn khi th\u1ef1c hi\u1ec7n m\u1ed9t lo\u1ea1t ki\u1ec3m tra \u00e1p su\u1ea5t kh\u00e1c \u0111\u1ed1i v\u1edbi l\u00f4 van n\u00e0y, c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean s\u1ebd t\u00ecm ki\u1ebfm ch\u1ed7 r\u00f2 r\u1ec9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"7-quality-management-and-inspection\"><span class=\"ez-toc-section\" id=\"7_Quality_Management_and_Inspection\"><\/span><strong>7. Qu\u1ea3n l\u00fd v\u00e0 Thanh tra Ch\u1ea5t l\u01b0\u1ee3ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Sau \u0111\u00f3, nh\u00e2n vi\u00ean QA s\u1ebd ki\u1ec3m tra ch\u1eb7t ch\u1ebd c\u00e1c van xem c\u00f3 b\u1ecb r\u00f2 r\u1ec9 v\u00e0 c\u00e1c l\u1ed7i s\u1ea3n xu\u1ea5t kh\u00e1c kh\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"in-conclusion\"><span class=\"ez-toc-section\" id=\"In_conclusion\"><\/span><strong>T\u00f3m l\u1ea1i l\u00e0<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c s\u1ea3n xu\u1ea5t van c\u00f4ng nghi\u1ec7p l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng ph\u1ee9c t\u1ea1p. N\u00f3 kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ea5n \u0111\u1ec1 \u0111\u1eb7t van l\u1ea1i v\u1edbi nhau. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3, bao g\u1ed3m ngu\u1ed3n nguy\u00ean li\u1ec7u th\u00f4, gia c\u00f4ng, x\u1eed l\u00fd nhi\u1ec7t, h\u00e0n v\u00e0 l\u1eafp r\u00e1p. Tr\u01b0\u1edbc khi b\u00e0n giao van cho kh\u00e1ch h\u00e0ng, van c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o van ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Without valves, the pipe structure is incomplete. Valve manufacturers must produce high-quality valves because safety and service life are the most important factors in a pipeline phase. What is the secret to high-performance valves? What is it that helps them work better? Is it because of the material? Do the calibration devices make a difference? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":366,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-567","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/comments?post=567"}],"version-history":[{"count":1,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/567\/revisions"}],"predecessor-version":[{"id":568,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/posts\/567\/revisions\/568"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media\/366"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/media?parent=567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/categories?post=567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/vi\/wp-json\/wp\/v2\/tags?post=567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}