{"id":2308,"date":"2026-07-22T12:33:57","date_gmt":"2026-07-22T05:33:57","guid":{"rendered":"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/"},"modified":"2026-07-22T12:33:57","modified_gmt":"2026-07-22T05:33:57","slug":"khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox","status":"publish","type":"post","link":"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/","title":{"rendered":"Khi n\u00e0o ch\u1ecdn bulong, \u1ed1c v\u00edt, rivet thay v\u00ec h\u00e0n cho Inox?"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;2308&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;0&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;0&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;\u0110\u00e1nh gi\u00e1&quot;,&quot;legend&quot;:&quot;0\\\/5 - (0 b\u00ecnh ch\u1ecdn)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Khi n\u00e0o ch\u1ecdn bulong, \u1ed1c v\u00edt, rivet thay v\u00ec h\u00e0n cho Inox?&quot;,&quot;width&quot;:&quot;0&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            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class=\"kksr-muted\">\u0110\u00e1nh gi\u00e1<\/span>\n    <\/div>\n    <\/div>\n<div class=\"custom-toc\">\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\">Table of Contents<\/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=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/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 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Noi_dung_chinh\" >N\u1ed9i dung ch\u00ednh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Nhung_tinh_huong_nen_uu_tien_bulongoc_vitrivet_thay_vi_han\" >Nh\u1eefng t\u00ecnh hu\u1ed1ng n\u00ean \u01b0u ti\u00ean bulong\/\u1ed1c v\u00edt\/rivet thay v\u00ec h\u00e0n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Khi_nao_han_van_la_toi_uu\" >Khi n\u00e0o h\u00e0n v\u1eabn l\u00e0 t\u1ed1i \u01b0u?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#So_sanh_ky_thuat_bulongoc_vitrivet_vs_han\" >So s\u00e1nh k\u1ef9 thu\u1eadt: bulong\/\u1ed1c v\u00edt\/rivet vs h\u00e0n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#1_Kha_nang_chiu_luc_va_moi\" >1) Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c v\u00e0 m\u1ecfi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#2_Bien_dang_nhiet_va_tham_my\" >2) Bi\u1ebfn d\u1ea1ng nhi\u1ec7t v\u00e0 th\u1ea9m m\u1ef9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#3_Kha_nang_kin_va_ve_sinh\" >3) Kh\u1ea3 n\u0103ng k\u00edn v\u00e0 v\u1ec7 sinh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#4_An_mon_ke_ke_tiep_xuc_dien_hoa_ket_ren\" >4) \u0102n m\u00f2n: k\u1ebd k\u1ebd, ti\u1ebfp x\u00fac \u0111i\u1ec7n h\u00f3a, k\u1eb9t ren<\/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:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Lua_chon_phan_tu_lien_ket_cho_Inox\" >L\u1ef1a ch\u1ecdn ph\u1ea7n t\u1eed li\u00ean k\u1ebft cho Inox<\/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:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Bulongoc_vit_tieu_chuan\" >Bulong\/\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Dinh_tan_rivet\" >\u0110inh t\u00e1n (rivet)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Vat_lieu_phu_tro\" >V\u1eadt li\u1ec7u ph\u1ee5 tr\u1ee3<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Thiet_ke_va_tinh_toan_co_ban_cho_lien_ket_co_khi_Inox\" >Thi\u1ebft k\u1ebf v\u00e0 t\u00ednh to\u00e1n c\u01a1 b\u1ea3n cho li\u00ean k\u1ebft c\u01a1 kh\u00ed Inox<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#1_Xac_dinh_yeu_cau_tai_va_moi_truong\" >1) X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u t\u1ea3i v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#2_Suc_chiu_cua_bu_long_va_gioi_han_tam\" >2) S\u1ee9c ch\u1ecbu c\u1ee7a bu l\u00f4ng v\u00e0 gi\u1edbi h\u1ea1n t\u1ea5m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#3_Lo_bu_longrivet_khoang_cach_lo_va_mep\" >3) L\u1ed7 bu l\u00f4ng\/rivet, kho\u1ea3ng c\u00e1ch l\u1ed7 v\u00e0 m\u00e9p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#4_Luc_siet_truoc_preload_va_mo-men_siet\" >4) L\u1ef1c si\u1ebft tr\u01b0\u1edbc (preload) v\u00e0 m\u00f4-men si\u1ebft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#5_Chong_long_duoi_rung_dong\" >5) Ch\u1ed1ng l\u1ecfng d\u01b0\u1edbi rung \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#6_Doi_voi_rivet_va_rivet_nut\" >6) \u0110\u1ed1i v\u1edbi rivet v\u00e0 rivet nut<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Quy_trinh_thi_cong_tot_nhat_Best_Practices\" >Quy tr\u00ecnh thi c\u00f4ng t\u1ed1t nh\u1ea5t (Best Practices)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Ung_dung_thuc_te_va_goi_y_cau_hinh\" >\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 g\u1ee3i \u00fd c\u1ea5u h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Sai_lam_pho_bien_can_tranh\" >Sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Bang_quyet_dinh_nhanh\" >B\u1ea3ng quy\u1ebft \u0111\u1ecbnh nhanh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Nguon_tham_khao\" >Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/inoxcuongthinh.com\/khi-nao-chon-bulong-oc-vit-rivet-thay-vi-han-cho-inox\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Noi_dung_chinh\"><\/span>N\u1ed9i dung ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><a href=\"#toc-0-nhung-tinh-huong-nen-uu-tien-bulongoc-vitrivet-tha\">Nh\u1eefng t\u00ecnh hu\u1ed1ng n\u00ean \u01b0u ti\u00ean bulong\/\u1ed1c v\u00edt\/rivet thay v\u00ec h\u00e0n<\/a><\/li>\n<li><a href=\"#toc-1-khi-nao-han-van-la-toi-uu\">Khi n\u00e0o h\u00e0n v\u1eabn l\u00e0 t\u1ed1i \u01b0u?<\/a><\/li>\n<li><a href=\"#toc-2-so-sanh-ky-thuat-bulongoc-vitrivet-vs-han\">So s\u00e1nh k\u1ef9 thu\u1eadt: bulong\/\u1ed1c v\u00edt\/rivet vs h\u00e0n<\/a><\/li>\n<li><a href=\"#toc-3-lua-chon-phan-tu-lien-ket-cho-inox\">L\u1ef1a ch\u1ecdn ph\u1ea7n t\u1eed li\u00ean k\u1ebft cho Inox<\/a><\/li>\n<li><a href=\"#toc-4-thiet-ke-va-tinh-toan-co-ban-cho-lien-ket-co-khi-i\">Thi\u1ebft k\u1ebf v\u00e0 t\u00ednh to\u00e1n c\u01a1 b\u1ea3n cho li\u00ean k\u1ebft c\u01a1 kh\u00ed Inox<\/a><\/li>\n<li><a href=\"#toc-5-quy-trinh-thi-cong-tot-nhat-best-practices\">Quy tr\u00ecnh thi c\u00f4ng t\u1ed1t nh\u1ea5t (Best Practices)<\/a><\/li>\n<li><a href=\"#toc-6-ung-dung-thuc-te-va-goi-y-cau-hinh\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 g\u1ee3i \u00fd c\u1ea5u h\u00ecnh<\/a><\/li>\n<li><a href=\"#toc-7-sai-lam-pho-bien-can-tranh\">Sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<\/a><\/li>\n<li><a href=\"#toc-8-bang-quyet-dinh-nhanh\">B\u1ea3ng quy\u1ebft \u0111\u1ecbnh nhanh<\/a><\/li>\n<li><a href=\"#toc-9-nguon-tham-khao\">Ngu\u1ed3n tham kh\u1ea3o<\/a><\/li>\n<li><a href=\"#toc-10-ket-luan\">K\u1ebft lu\u1eadn<\/a><\/li>\n<\/ul>\n<\/div>\n<p>Li\u00ean k\u1ebft c\u01a1 kh\u00ed b\u1eb1ng bulong, \u1ed1c v\u00edt v\u00e0 rivet cho Inox l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u trong nhi\u1ec1u t\u00ecnh hu\u1ed1ng thay v\u00ec h\u00e0n. B\u00e0i vi\u1ebft n\u00e0y cung c\u1ea5p khung ra quy\u1ebft \u0111\u1ecbnh, so s\u00e1nh k\u1ef9 thu\u1eadt, ti\u00eau ch\u00ed thi\u1ebft k\u1ebf v\u00e0 kinh nghi\u1ec7m thi c\u00f4ng \u0111\u1ec3 b\u1ea1n x\u00e1c \u0111\u1ecbnh \u201ckhi n\u00e0o n\u00ean l\u1eafp bu l\u00f4ng\/\u0111inh t\u00e1n thay v\u00ec h\u00e0n\u201d cho c\u00e1c k\u1ebft c\u1ea5u, v\u1ecf m\u00e1y v\u00e0 chi ti\u1ebft Inox trong c\u00f4ng nghi\u1ec7p.<\/p>\n<h2 id=\"toc-0-nhung-tinh-huong-nen-uu-tien-bulongoc-vitrivet-tha\"><span class=\"ez-toc-section\" id=\"Nhung_tinh_huong_nen_uu_tien_bulongoc_vitrivet_thay_vi_han\"><\/span>Nh\u1eefng t\u00ecnh hu\u1ed1ng n\u00ean \u01b0u ti\u00ean bulong\/\u1ed1c v\u00edt\/rivet thay v\u00ec h\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u1ea7n th\u00e1o l\u1eafp\/b\u1ea3o tr\u00ec\/\u0111i\u1ec1u ch\u1ec9nh \u0111\u1ecbnh k\u1ef3: d\u00e2y chuy\u1ec1n th\u1ef1c ph\u1ea9m, b\u0103ng t\u1ea3i, t\u1ee7 \u0111i\u1ec7n Inox, c\u01a1 c\u1ea5u k\u1eb9p g\u00e1, m\u00e1ng c\u00e1p.<br \/>\n&#8211; V\u1eadt li\u1ec7u m\u1ecfng, nh\u1ea1y bi\u1ebfn d\u1ea1ng nhi\u1ec7t: t\u1ea5m Inox 0.6\u20132.0 mm cho v\u1ecf m\u00e1y, \u1ed1p trang tr\u00ed; h\u00e0n d\u1ec5 cong v\u00eanh, ch\u00e1y x\u1ec9, \u0111\u1ed5i m\u00e0u v\u00e0 gi\u1ea3m ch\u1ed1ng \u0103n m\u00f2n v\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t.<br \/>\n&#8211; Kh\u00f4ng th\u1ec3 back-purge\/\u0111\u1ea3m b\u1ea3o kh\u00ed b\u1ea3o v\u1ec7: \u0111\u01b0\u1eddng \u1ed1ng m\u1ecfng, k\u1ebft c\u1ea5u k\u00edn; h\u00e0n thi\u1ebfu kh\u00ed g\u00e2y oxy h\u00f3a trong, r\u1ed7, gi\u1ea3m tu\u1ed5i th\u1ecd.<br \/>\n&#8211; Y\u00eau c\u1ea7u l\u1eafp t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng nhanh, \u00edt thi\u1ebft b\u1ecb: c\u00f4ng tr\u00ecnh cao \u0111\u1ed9, kh\u00f4ng gian ch\u1eadt h\u1eb9p, th\u1eddi gian shutdown ng\u1eafn.<br \/>\n&#8211; Li\u00ean k\u1ebft v\u1eadt li\u1ec7u kh\u00e1c nhau: Inox\u2013nh\u00f4m, Inox\u2013composite, Inox\u2013t\u1ea5m m\u1ea1 k\u1ebdm; h\u00e0n kh\u00f4ng kh\u1ea3 thi ho\u1eb7c r\u1ee7i ro n\u1ee9t gi\u00f2n.<br \/>\n&#8211; H\u1ea1n ch\u1ebf ngu\u1ed3n nhi\u1ec7t (s\u01a1n ho\u00e0n thi\u1ec7n, chi ti\u1ebft c\u00f3 gio\u0103ng, chi ti\u1ebft \u0111\u00e3 x\u1eed l\u00fd b\u1ec1 m\u1eb7t): l\u1eafp bu l\u00f4ng\/rivet tr\u00e1nh ph\u00e1 h\u1ecfng l\u1edbp ph\u1ee7 ho\u1eb7c c\u1ea7n t\u00e1i th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n.<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng, m\u1ecfi v\u00e0 c\u1ea7n ki\u1ec3m so\u00e1t \u1ee9ng su\u1ea5t: li\u00ean k\u1ebft bu l\u00f4ng r\u00e0ng bu\u1ed9c tr\u01b0\u1edbc (preload) cho kh\u1ea3 n\u0103ng ch\u1ecbu m\u1ecfi t\u1ed1t n\u1ebfu thi\u1ebft k\u1ebf \u0111\u00fang; h\u00e0n c\u00f3 th\u1ec3 t\u1eadp trung \u1ee9ng su\u1ea5t t\u1ea1i ch\u00e2n m\u1ed1i.<br \/>\n&#8211; Y\u00eau c\u1ea7u v\u1ec7 sinh nh\u01b0ng kh\u00f4ng th\u1ec3 h\u00e0n k\u00edn ho\u00e0n to\u00e0n: d\u00f9ng \u1ed1c v\u00edt \u201chygienic\u201d c\u00f3 n\u1eafp che, \u0111\u1ec7m k\u00edn; khi h\u00e0n kh\u00f4ng k\u00edn s\u1ebd t\u1ea1o khe h\u1edf g\u00e2y \u0103n m\u00f2n k\u1ebd.<\/p>\n<h2 id=\"toc-1-khi-nao-han-van-la-toi-uu\"><span class=\"ez-toc-section\" id=\"Khi_nao_han_van_la_toi_uu\"><\/span>Khi n\u00e0o h\u00e0n v\u1eabn l\u00e0 t\u1ed1i \u01b0u?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u1ea7n \u0111\u1ed9 k\u00edn tuy\u1ec7t \u0111\u1ed1i, ch\u1ed1ng r\u00f2 r\u1ec9 \u00e1p su\u1ea5t\/ch\u1ea5t l\u1ecfng\/kh\u00ed (b\u1ed3n, \u1ed1ng ch\u1ecbu \u00e1p, jacket).<br \/>\n&#8211; K\u1ebft c\u1ea5u ch\u1ecbu t\u1ea3i t\u0129nh l\u1edbn, truy\u1ec1n l\u1ef1c li\u00ean t\u1ee5c, y\u00eau c\u1ea7u \u0111\u1ed9 c\u1ee9ng cao (khung ch\u1ecbu l\u1ef1c n\u1eb7ng, d\u1ea7m h\u1ed9p d\u00e0y).<br \/>\n&#8211; Kh\u00f4ng gian h\u1ea1n ch\u1ebf kh\u00f4ng cho ph\u00e9p \u0111\u1ea7u bu l\u00f4ng\/\u00ea-cu v\u00e0 kho\u1ea3ng h\u1edf l\u1eafp c\u1edd l\u00ea.<br \/>\n&#8211; Y\u00eau c\u1ea7u b\u1ec1 m\u1eb7t ph\u1eb3ng tuy\u1ec7t \u0111\u1ed1i, kh\u00f4ng l\u1ed3i \u0111\u1ea7u li\u00ean k\u1ebft (v\u00ed d\u1ee5 b\u1ec1 m\u1eb7t l\u0103n, b\u0103ng t\u1ea3i v\u1ec7 sinh CIP n\u1ebfu kh\u00f4ng c\u00f3 fastener \u201chygienic\u201d).<\/p>\n<h2 id=\"toc-2-so-sanh-ky-thuat-bulongoc-vitrivet-vs-han\"><span class=\"ez-toc-section\" id=\"So_sanh_ky_thuat_bulongoc_vitrivet_vs_han\"><\/span>So s\u00e1nh k\u1ef9 thu\u1eadt: bulong\/\u1ed1c v\u00edt\/rivet vs h\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Kha_nang_chiu_luc_va_moi\"><\/span>1) Kh\u1ea3 n\u0103ng ch\u1ecbu l\u1ef1c v\u00e0 m\u1ecfi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Bulong\/\u1ed1c v\u00edt:<br \/>\n  &#8211; Ch\u1ecbu k\u00e9o t\u1ed1t khi \u0111\u01b0\u1ee3c si\u1ebft l\u1ef1c tr\u01b0\u1edbc (preload), ma s\u00e1t b\u1ec1 m\u1eb7t g\u1ed1i \u0111\u1ee1 truy\u1ec1n t\u1ea3i c\u1eaft (slip-critical) gi\u00fap ch\u1ed1ng m\u1ecfi v\u00e0 tr\u01b0\u1ee3t.<br \/>\n  &#8211; Cho ph\u00e9p th\u00e1o l\u1eafp v\u00e0 ki\u1ec3m tra l\u1ef1c si\u1ebft theo chu k\u1ef3.<br \/>\n  &#8211; C\u1ea7n t\u00ednh \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 th\u00e1o l\u1ecfng d\u01b0\u1edbi rung (Junker). D\u00f9ng \u0111ai \u1ed1c h\u00e3m, \u00ea-cu to\u00e0n kim, \u00ea-cu nylon (gi\u1edbi h\u1ea1n nhi\u1ec7t ~120\u00b0C), ho\u1eb7c v\u00f2ng \u0111\u1ec7m kh\u00f3a ki\u1ec3u n\u00eam (wedge-lock) cho hi\u1ec7u qu\u1ea3 cao.<br \/>\n&#8211; Rivet (\u0111inh t\u00e1n r\u00fat\/\u0111inh t\u00e1n \u0111\u1eb7c):<br \/>\n  &#8211; Ph\u00f9 h\u1ee3p t\u1ea5m m\u1ecfng, t\u1ea3i v\u1eeba\/nh\u1ecf; c\u00e1c rivet k\u1ebft c\u1ea5u (structural blind rivet) \u0111\u1ea1t l\u1ef1c k\u1eb9p v\u00e0 c\u1eaft cao h\u01a1n rivet th\u01b0\u1eddng.<br \/>\n  &#8211; Kh\u00f4ng th\u00e1o l\u1eafp \u0111\u01b0\u1ee3c; ch\u1ed1ng rung t\u1ed1t do m\u1ed1i t\u00e1n \u201cv\u0129nh c\u1eedu\u201d.<br \/>\n&#8211; H\u00e0n:<br \/>\n  &#8211; Truy\u1ec1n l\u1ef1c d\u1ea1ng li\u00ean t\u1ee5c; t\u1ed1t v\u1edbi t\u1ea3i t\u0129nh v\u00e0 t\u1ea3i xung l\u1edbn n\u1ebfu quy tr\u00ecnh \u0111\u1ea1t chu\u1ea9n.<br \/>\n  &#8211; Nh\u01b0\u1ee3c: t\u1eadp trung \u1ee9ng su\u1ea5t, r\u1ee7i ro n\u1ee9t m\u1ecfi n\u1ebfu thi\u1ebft k\u1ebf m\u00e9p v\u00e0 x\u1eed l\u00fd sau h\u00e0n kh\u00f4ng chu\u1ea9n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Bien_dang_nhiet_va_tham_my\"><\/span>2) Bi\u1ebfn d\u1ea1ng nhi\u1ec7t v\u00e0 th\u1ea9m m\u1ef9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Bulong\/rivet: Kh\u00f4ng g\u00e2y bi\u1ebfn d\u1ea1ng nhi\u1ec7t; ph\u00f9 h\u1ee3p b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n hairline\/BA, chi ti\u1ebft m\u1ecfng, t\u1ea5m trang tr\u00ed.<br \/>\n&#8211; H\u00e0n: Nguy c\u01a1 cong v\u00eanh, \u0111\u1ed5i m\u00e0u (heat tint). C\u1ea7n n\u1eafn ch\u1ec9nh v\u00e0 t\u1ea9y g\u1ec9\u2013th\u1ee5 \u0111\u1ed9ng h\u00f3a sau h\u00e0n \u0111\u1ec3 kh\u00f4i ph\u1ee5c ch\u1ed1ng \u0103n m\u00f2n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Kha_nang_kin_va_ve_sinh\"><\/span>3) Kh\u1ea3 n\u0103ng k\u00edn v\u00e0 v\u1ec7 sinh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Bulong\/rivet: T\u1ea1o khe h\u1edf t\u1ef1 nhi\u00ean quanh l\u1ed7; c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec7m k\u00edn (EPDM, silicone FDA), \u1ed1c v\u00edt v\u1ec7 sinh c\u00f3 n\u1eafp che \u0111\u1ec3 gi\u1ea3m \u0111\u1ecdng b\u1ea9n.<br \/>\n&#8211; H\u00e0n: N\u1ebfu h\u00e0n k\u00edn v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t chu\u1ea9n s\u1ebd v\u1ec7 sinh t\u1ed1t nh\u1ea5t; h\u00e0n kh\u00f4ng k\u00edn l\u1ea1i g\u00e2y khe k\u1ebd nh\u1ecf, kh\u00f3 v\u1ec7 sinh, d\u1ec5 pitting.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_An_mon_ke_ke_tiep_xuc_dien_hoa_ket_ren\"><\/span>4) \u0102n m\u00f2n: k\u1ebd k\u1ebd, ti\u1ebfp x\u00fac \u0111i\u1ec7n h\u00f3a, k\u1eb9t ren<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Bulong\/rivet:<br \/>\n  &#8211; Nguy c\u01a1 \u0103n m\u00f2n k\u1ebd t\u1ea1i v\u00f9ng l\u1ed7 v\u00e0 d\u01b0\u1edbi \u0111\u1ec7m; c\u1ea7n b\u1ecbt k\u00edn ho\u1eb7c ch\u1ecdn thi\u1ebft k\u1ebf h\u1ea1n ch\u1ebf khe.<br \/>\n  &#8211; Tr\u00e1nh gh\u00e9p Inox v\u1edbi th\u00e9p carbon m\u1ea1 k\u1ebdm\/nh\u00f4m m\u00e0 kh\u00f4ng c\u00e1ch \u0111i\u1ec7n; d\u00f9ng long \u0111en\/\u1ed1ng l\u00f3t nh\u1ef1a\/FRP \u0111\u1ec3 ng\u0103n \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n  &#8211; Ren Inox d\u1ec5 \u201ck\u1eb9t ren\u201d (galling). Lu\u00f4n b\u00f4i m\u1ee1 ch\u1ed1ng k\u1eb9t ch\u1ee9a MoS2\/PTFE v\u00e0 si\u1ebft t\u1ed1c \u0111\u1ed9 v\u1eeba.<br \/>\n&#8211; H\u00e0n: V\u00f9ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t c\u00f3 th\u1ec3 b\u1ecb nh\u1ea1y h\u00f3a (sensitization) n\u1ebfu th\u00f4ng s\u1ed1 h\u00e0n k\u00e9m; c\u1ea7n t\u1ea9y g\u1ec9\u2013passivation.<\/p>\n<h2 id=\"toc-3-lua-chon-phan-tu-lien-ket-cho-inox\"><span class=\"ez-toc-section\" id=\"Lua_chon_phan_tu_lien_ket_cho_Inox\"><\/span>L\u1ef1a ch\u1ecdn ph\u1ea7n t\u1eed li\u00ean k\u1ebft cho Inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Bulongoc_vit_tieu_chuan\"><\/span>Bulong\/\u1ed1c v\u00edt ti\u00eau chu\u1ea9n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; V\u1eadt li\u1ec7u v\u00e0 c\u1ea5p b\u1ec1n (theo EN ISO 3506):<br \/>\n  &#8211; A2-70 (Inox 304, 700 MPa UTS): m\u00f4i tr\u01b0\u1eddng kh\u00f4, trong nh\u00e0.<br \/>\n  &#8211; A4-70\/A4-80 (Inox 316, Mo, 700\u2013800 MPa): m\u00f4i tr\u01b0\u1eddng \u1ea9m, clorua, ven bi\u1ec3n.<br \/>\n  &#8211; Duplex (1.4462) ho\u1eb7c si\u00eau duplex: n\u01b0\u1edbc bi\u1ec3n, chloride cao, m\u1ecfi kh\u1eafc nghi\u1ec7t.<br \/>\n&#8211; Ki\u1ec3u \u0111ai \u1ed1c: h\u00e3m nylon, to\u00e0n kim, m\u0169 k\u00edn; d\u00f9ng v\u00f2ng \u0111\u1ec7m n\u00eam ch\u1ed1ng l\u1ecfng khi rung m\u1ea1nh.<br \/>\n&#8211; \u1ed0c v\u00edt t\u1ef1 khoan\/t\u1ef1 ren: thu\u1eadn ti\u1ec7n cho t\u00f4n Inox m\u1ecfng\/lanh t\u00f4; n\u00ean ch\u1ecdn m\u0169i khoan carbide, ph\u1ee7 ch\u1ed1ng m\u00e0i m\u00f2n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dinh_tan_rivet\"><\/span>\u0110inh t\u00e1n (rivet)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Blind rivet (r\u00fat m\u1ed9t ph\u00eda): l\u1eafp \u0111\u1eb7t khi ch\u1ec9 ti\u1ebfp c\u1eadn \u0111\u01b0\u1ee3c m\u1ed9t m\u1eb7t; lo\u1ea1i k\u00edn (closed-end) ch\u1ed1ng r\u00f2 n\u01b0\u1edbc\/kh\u00ed t\u1ed1t h\u01a1n.<br \/>\n&#8211; Structural blind rivet: ch\u1ed1t (mandrel) b\u1ecb kh\u00f3a c\u01a1 kh\u00ed, l\u1ef1c k\u1eb9p l\u1edbn; ph\u00f9 h\u1ee3p k\u1ebft c\u1ea5u m\u1ecfng ch\u1ecbu rung.<br \/>\n&#8211; Rivet nut (\u0111ai \u1ed1c t\u00e1n): t\u1ea1o ren b\u1ec1n tr\u00ean t\u1ea5m m\u1ecfng \u0111\u1ec3 b\u1eaft v\u00edt th\u00e1o l\u1eafp nhi\u1ec1u l\u1ea7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vat_lieu_phu_tro\"><\/span>V\u1eadt li\u1ec7u ph\u1ee5 tr\u1ee3<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u0110\u1ec7m k\u00edn EPDM\/silicone, long \u0111en nh\u1ef1a\/c\u00e1ch \u0111i\u1ec7n \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; Mi\u1ebfng ch\u00e8n s\u00f3ng (shim) Inox c\u00f9ng c\u1ea5p \u0111\u1ec3 t\u0103ng di\u1ec7n t\u00edch k\u1eb9p, gi\u1ea3m bi\u1ebfn d\u1ea1ng t\u1ea5m m\u1ecfng.<\/p>\n<h2 id=\"toc-4-thiet-ke-va-tinh-toan-co-ban-cho-lien-ket-co-khi-i\"><span class=\"ez-toc-section\" id=\"Thiet_ke_va_tinh_toan_co_ban_cho_lien_ket_co_khi_Inox\"><\/span>Thi\u1ebft k\u1ebf v\u00e0 t\u00ednh to\u00e1n c\u01a1 b\u1ea3n cho li\u00ean k\u1ebft c\u01a1 kh\u00ed Inox<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"1_Xac_dinh_yeu_cau_tai_va_moi_truong\"><\/span>1) X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u t\u1ea3i v\u00e0 m\u00f4i tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ph\u00e2n lo\u1ea1i t\u1ea3i: k\u00e9o, c\u1eaft, b\u00f3c (peel), m\u1ecfi, va \u0111\u1eadp, rung. X\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 an to\u00e0n theo ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng (k\u1ebft c\u1ea5u, m\u00e1y, thi\u1ebft b\u1ecb).<br \/>\n&#8211; M\u00f4i tr\u01b0\u1eddng: kh\u00f4\/\u1ea9m, h\u00f3a ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9. Ch\u1ecdn v\u1eadt li\u1ec7u fastener t\u01b0\u01a1ng \u1ee9ng (A2, A4, duplex) v\u00e0 gi\u1ea3i ph\u00e1p b\u1ecbt k\u00edn\/gi\u00e1 c\u00e1ch \u0111i\u1ec7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"2_Suc_chiu_cua_bu_long_va_gioi_han_tam\"><\/span>2) S\u1ee9c ch\u1ecbu c\u1ee7a bu l\u00f4ng v\u00e0 gi\u1edbi h\u1ea1n t\u1ea5m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Kh\u00f4ng ch\u1ec9 ki\u1ec3m tra s\u1ee9c ch\u1ecbu c\u1eaft\/k\u00e9o c\u1ee7a bu l\u00f4ng, m\u00e0 c\u00f2n:<br \/>\n  &#8211; Ch\u1ecbu \u00e9p m\u1eb7t (bearing) c\u1ee7a l\u1ed7 tr\u00ean t\u1ea5m Inox.<br \/>\n  &#8211; X\u00e9 m\u00e9p (tear-out) v\u00e0 \u0111\u1ee9t r\u00e1ch gi\u1eefa c\u00e1c l\u1ed7 (net section).<br \/>\n&#8211; V\u1edbi t\u1ea5m m\u1ecfng, th\u01b0\u1eddng gi\u1edbi h\u1ea1n b\u1edfi t\u1ea5m ch\u1ee9 kh\u00f4ng ph\u1ea3i bu l\u00f4ng; c\u00e2n nh\u1eafc t\u0103ng s\u1ed1 l\u01b0\u1ee3ng bu l\u00f4ng\/rivet ho\u1eb7c d\u00f9ng b\u1ea3n m\u00e3 gia c\u01b0\u1eddng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"3_Lo_bu_longrivet_khoang_cach_lo_va_mep\"><\/span>3) L\u1ed7 bu l\u00f4ng\/rivet, kho\u1ea3ng c\u00e1ch l\u1ed7 v\u00e0 m\u00e9p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u0110\u01b0\u1eddng k\u00ednh l\u1ed7:<br \/>\n  &#8211; Cho bu l\u00f4ng M6\u2013M12: th\u01b0\u1eddng \u03c6 l\u1ed7 = d + 0.2\u20260.5 mm \u0111\u1ec3 l\u1eafp d\u1ec5 v\u00e0 ki\u1ec3m so\u00e1t tr\u01b0\u1ee3t.<br \/>\n  &#8211; Cho rivet: theo khuy\u1ebfn ngh\u1ecb nh\u00e0 s\u1ea3n xu\u1ea5t (th\u01b0\u1eddng +0.1\u20260.2 mm).<br \/>\n&#8211; Kho\u1ea3ng c\u00e1ch:<br \/>\n  &#8211; C\u1ef1 ly l\u1ed7\u2013m\u00e9p t\u1ea5m: \u2265 1.5d (t\u1ea5m m\u1ecfng) \u0111\u1ebfn 2.0d (k\u1ebft c\u1ea5u ch\u1ecbu l\u1ef1c).<br \/>\n  &#8211; B\u01b0\u1edbc l\u1ed7 theo ph\u01b0\u01a1ng l\u1ef1c: \u2265 3.0d; ph\u01b0\u01a1ng vu\u00f4ng g\u00f3c: \u2265 3.0d\u20264.0d.<br \/>\n&#8211; V\u00e1t m\u00e9p, t\u1ea9y ba via \u0111\u1ec3 gi\u1ea3m t\u1eadp trung \u1ee9ng su\u1ea5t v\u00e0 tr\u00e1nh kh\u1edfi ph\u00e1t n\u1ee9t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"4_Luc_siet_truoc_preload_va_mo-men_siet\"><\/span>4) L\u1ef1c si\u1ebft tr\u01b0\u1edbc (preload) v\u00e0 m\u00f4-men si\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; M\u1ee5c ti\u00eau: t\u1ea1o l\u1ef1c k\u1eb9p \u0111\u1ee7 \u0111\u1ec3 truy\u1ec1n l\u1ef1c c\u1eaft qua ma s\u00e1t, gi\u1ea3m tr\u01b0\u1ee3t v\u00e0 m\u1ecfi.<br \/>\n&#8211; T\u00ednh g\u1ea7n \u0111\u00fang: T \u2248 K \u00d7 F \u00d7 d<br \/>\n  &#8211; T: m\u00f4-men si\u1ebft; F: l\u1ef1c si\u1ebft mong mu\u1ed1n; d: \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a; K: h\u1ec7 s\u1ed1 ma s\u00e1t (\u22480.18 b\u00f4i tr\u01a1n, 0.2\u20130.3 kh\u00f4). V\u1edbi Inox n\u00ean b\u00f4i tr\u01a1n ch\u1ed1ng k\u1eb9t ren \u2192 K th\u1ea5p h\u01a1n, \u0111i\u1ec1u ch\u1ec9nh T ph\u00f9 h\u1ee3p.<br \/>\n&#8211; D\u00f9ng d\u1ee5ng c\u1ee5 si\u1ebft ki\u1ec3m so\u00e1t (c\u1edd l\u00ea l\u1ef1c), c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p torque+angle \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh preload.<br \/>\n&#8211; Tr\u00e1nh si\u1ebft t\u1ed1c \u0111\u1ed9 cao g\u00e2y k\u1eb9t ren; n\u1ebfu g\u1eb7p ma s\u00e1t b\u1ea5t th\u01b0\u1eddng, th\u00e1o, l\u00e0m s\u1ea1ch, b\u00f4i tr\u01a1n l\u1ea1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"5_Chong_long_duoi_rung_dong\"><\/span>5) Ch\u1ed1ng l\u1ecfng d\u01b0\u1edbi rung \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; \u01afu ti\u00ean gi\u1ea3i ph\u00e1p c\u01a1 h\u1ecdc \u0111\u00e3 th\u1eed nghi\u1ec7m theo Junker:<br \/>\n  &#8211; \u0110ai \u1ed1c h\u00e3m to\u00e0n kim\/nylon (ch\u1ecdn theo nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c).<br \/>\n  &#8211; V\u00f2ng \u0111\u1ec7m kh\u00f3a ki\u1ec3u n\u00eam (wedge-lock washer).<br \/>\n  &#8211; Kh\u00f4ng khuy\u1ebfn kh\u00edch ch\u1ec9 d\u00f9ng long \u0111en v\u00eanh\/l\u00f2 xo \u0111\u01a1n l\u1ebb v\u00ec hi\u1ec7u qu\u1ea3 th\u1ea5p.<br \/>\n&#8211; C\u00f3 th\u1ec3 b\u1ed5 sung keo kh\u00f3a ren c\u1ea5p trung b\u00ecnh (removable) n\u1ebfu m\u00f4i tr\u01b0\u1eddng cho ph\u00e9p v\u1ec7 sinh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"6_Doi_voi_rivet_va_rivet_nut\"><\/span>6) \u0110\u1ed1i v\u1edbi rivet v\u00e0 rivet nut<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&#8211; Ch\u1ecdn h\u00e0nh tr\u00ecnh t\u00e1n ph\u00f9 h\u1ee3p t\u1ed5ng b\u1ec1 d\u00e0y k\u1eb9p (grip range).<br \/>\n&#8211; V\u1edbi y\u00eau c\u1ea7u k\u00edn: d\u00f9ng rivet \u201cclosed-end\u201d v\u00e0\/ho\u1eb7c \u0111\u1ec7m k\u00edn d\u01b0\u1edbi m\u0169.<br \/>\n&#8211; Ki\u1ec3m tra k\u00e9o tu\u1ed9t (pull-out) v\u00e0 c\u1eaft (shear) theo catalo; t\u0103ng s\u1ed1 l\u01b0\u1ee3ng rivet khi t\u1ea3i ph\u00e2n b\u1ed1 tr\u00ean t\u1ea5m m\u1ecfng.<\/p>\n<h2 id=\"toc-5-quy-trinh-thi-cong-tot-nhat-best-practices\"><span class=\"ez-toc-section\" id=\"Quy_trinh_thi_cong_tot_nhat_Best_Practices\"><\/span>Quy tr\u00ecnh thi c\u00f4ng t\u1ed1t nh\u1ea5t (Best Practices)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; Chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t: \u0111\u00e1nh d\u1ea5u, khoan b\u1eb1ng m\u0169i khoan d\u00e0nh cho Inox, t\u1ed1c \u0111\u1ed9 c\u1eaft th\u1ea5p\u2013trung b\u00ecnh, t\u01b0\u1edbi ngu\u1ed9i; kh\u1eed d\u1ea7u m\u1ee1 tr\u01b0\u1edbc l\u1eafp.<br \/>\n&#8211; V\u1ec7 sinh v\u00e0 th\u1ee5 \u0111\u1ed9ng h\u00f3a: sau khoan\/c\u1eaft, t\u1ea9y ba via v\u00e0 l\u00e0m s\u1ea1ch v\u1ee5n th\u00e9p carbon \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n g\u00e2y r\u1ec9 n\u00e2u; c\u00f3 th\u1ec3 th\u1ee5 \u0111\u1ed9ng h\u00f3a b\u1eb1ng dung d\u1ecbch citric\/nitric n\u1ebfu y\u00eau c\u1ea7u cao v\u1ec1 ch\u1ed1ng \u0103n m\u00f2n.<br \/>\n&#8211; Ch\u1ed1ng k\u1eb9t ren (galling): d\u00f9ng bu l\u00f4ng\/\u0111ai \u1ed1c c\u00e1n ren chu\u1ea9n (rolled thread), b\u00f4i m\u1ee1 ch\u1ed1ng k\u1eb9t MoS2\/PTFE, si\u1ebft nh\u1ecbp nh\u00e0ng, kh\u00f4ng gi\u1eadt c\u1ee5c.<br \/>\n&#8211; C\u00e1ch \u0111i\u1ec7n khi gh\u00e9p kh\u00e1c kim lo\u1ea1i: d\u00f9ng long \u0111en\/\u1ed1ng l\u00f3t nh\u1ef1a, s\u01a1n c\u00e1ch \u0111i\u1ec7n t\u1ea1i l\u1ed7, \u0111\u1ec7m EPDM.<br \/>\n&#8211; Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng:<br \/>\n  &#8211; Bu l\u00f4ng: ki\u1ec3m m\u00f4-men si\u1ebft, d\u1ea5u s\u01a1n ki\u1ec3m so\u00e1t, ki\u1ec3m tra \u0111\u1ecbnh k\u1ef3.<br \/>\n  &#8211; Rivet: quan s\u00e1t h\u00ecnh n\u1ea5m t\u00e1n, \u0111\u1ed9 b\u00e1m m\u0169, ki\u1ec3m tra ng\u1eabu nhi\u00ean l\u1ef1c k\u00e9o tu\u1ed9t theo d\u1ee5ng c\u1ee5 chuy\u00ean d\u1ee5ng.<\/p>\n<h2 id=\"toc-6-ung-dung-thuc-te-va-goi-y-cau-hinh\"><span class=\"ez-toc-section\" id=\"Ung_dung_thuc_te_va_goi_y_cau_hinh\"><\/span>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 g\u1ee3i \u00fd c\u1ea5u h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; V\u1ecf m\u00e1y Inox 0.8\u20131.2 mm, c\u1ea7n th\u00e1o panel: d\u00f9ng rivet nut M4\u2013M6 + \u1ed1c v\u00edt \u0111\u1ea7u tr\u1ee5, \u0111\u1ec7m EPDM; tr\u00e1nh h\u00e0n \u0111\u1ec3 kh\u00f4ng bi\u1ebfn d\u1ea1ng b\u1ec1 m\u1eb7t hairline.<br \/>\n&#8211; H\u1ec7 m\u00e1ng c\u00e1p\/khung \u0111\u1ee1 trong nh\u00e0 m\u00e1y th\u1ef1c ph\u1ea9m: bulong A2-70, \u0111ai \u1ed1c h\u00e3m, v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3; n\u1ebfu washdown clorua \u2192 chuy\u1ec3n A4-70\/A4-80.<br \/>\n&#8211; Bi\u1ec3n hi\u1ec7u\/\u1ed1p m\u1eb7t d\u1ef1ng ngo\u00e0i tr\u1eddi ven bi\u1ec3n: rivet Inox\/Monel lo\u1ea1i k\u00edn ho\u1eb7c bulong A4-70, c\u00e1ch \u0111i\u1ec7n khi gh\u00e9p nh\u00f4m\u2013Inox; b\u00edt k\u00edn sau m\u0169.<br \/>\n&#8211; K\u1ebft c\u1ea5u gi\u00e1 \u0111\u1ee1 rung \u0111\u1ed9ng (m\u00e1y n\u00e9n): bulong si\u1ebft tr\u01b0\u1edbc, v\u00f2ng \u0111\u1ec7m n\u00eam, \u0111ai \u1ed1c to\u00e0n kim; tr\u00e1nh d\u00f9ng long \u0111en v\u00eanh \u0111\u01a1n l\u1ebb.<br \/>\n&#8211; \u1ed0ng m\u1ecfng, kh\u00f3 back-purge, c\u1ea7n th\u00e1o l\u1eafp: m\u1eb7t b\u00edch b\u1eaft bulong + gio\u0103ng; h\u00e0n ch\u1ec9 d\u00f9ng khi c\u00f3 th\u1ec3 purging v\u00e0 x\u1eed l\u00fd passivation sau h\u00e0n.<\/p>\n<h2 id=\"toc-7-sai-lam-pho-bien-can-tranh\"><span class=\"ez-toc-section\" id=\"Sai_lam_pho_bien_can_tranh\"><\/span>Sai l\u1ea7m ph\u1ed5 bi\u1ebfn c\u1ea7n tr\u00e1nh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; D\u00f9ng A2-70 ngo\u00e0i tr\u1eddi ven bi\u1ec3n \u2192 r\u1ed7\/pitting nhanh; c\u1ea7n A4 ho\u1eb7c duplex.<br \/>\n&#8211; Si\u1ebft bu l\u00f4ng Inox kh\u00f4, t\u1ed1c \u0111\u1ed9 cao \u2192 k\u1eb9t ren, \u0111\u1ee9t ren.<br \/>\n&#8211; Khoan l\u1ed7 qu\u00e1 r\u1ed9ng, kh\u00f4ng \u0111\u1ec7m t\u0103ng c\u1ee9ng \u2192 t\u1ea5m r\u00e1ch m\u00e9p, tr\u01b0\u1ee3t.<br \/>\n&#8211; Ch\u1ec9 d\u00f9ng long \u0111en l\u00f2 xo \u0111\u1ec3 ch\u1ed1ng l\u1ecfng trong m\u00f4i tr\u01b0\u1eddng rung m\u1ea1nh \u2192 kh\u00f4ng hi\u1ec7u qu\u1ea3.<br \/>\n&#8211; L\u1eafp Inox tr\u1ef1c ti\u1ebfp l\u00ean th\u00e9p carbon m\u1ea1 k\u1ebdm\/nh\u00f4m \u1edf n\u01a1i \u1ea9m m\u1eb7n m\u00e0 kh\u00f4ng c\u00e1ch \u0111i\u1ec7n \u2192 \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a.<br \/>\n&#8211; H\u00e0n t\u1ea5m m\u1ecfng trang tr\u00ed m\u00e0 kh\u00f4ng \u0111\u1ed3 g\u00e1\/n\u1eafn ch\u1ec9nh\/t\u1ea9y g\u1ec9 \u2192 cong v\u00eanh, x\u1ec9 m\u00e0u, gi\u1ea3m tu\u1ed5i th\u1ecd.<\/p>\n<h2 id=\"toc-8-bang-quyet-dinh-nhanh\"><span class=\"ez-toc-section\" id=\"Bang_quyet_dinh_nhanh\"><\/span>B\u1ea3ng quy\u1ebft \u0111\u1ecbnh nhanh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; C\u1ea7n th\u00e1o l\u1eafp, b\u1ea3o tr\u00ec, l\u1eafp d\u1ef1ng nhanh? \u2192 Bulong\/\u1ed1c v\u00edt\/rivet.<br \/>\n&#8211; T\u1ea5m m\u1ecfng, b\u1ec1 m\u1eb7t th\u1ea9m m\u1ef9, s\u01a1n\/l\u1edbp ph\u1ee7 hi\u1ec7n h\u1eefu? \u2192 Bulong\/\u1ed1c v\u00edt\/rivet.<br \/>\n&#8211; C\u1ea7n k\u00edn tuy\u1ec7t \u0111\u1ed1i, \u00e1p su\u1ea5t, \u0111\u1ed9 c\u1ee9ng li\u00ean t\u1ee5c? \u2192 H\u00e0n (k\u00e8m x\u1eed l\u00fd b\u1ec1 m\u1eb7t).<br \/>\n&#8211; V\u1eadt li\u1ec7u d\u1ecb lo\u1ea1i, kh\u00f3 b\u1ea3o v\u1ec7 kh\u00ed khi h\u00e0n? \u2192 Bulong\/\u1ed1c v\u00edt\/rivet.<br \/>\n&#8211; Rung \u0111\u1ed9ng m\u1ea1nh, m\u1ecfi cao nh\u01b0ng c\u00f3 th\u1ec3 si\u1ebft tr\u01b0\u1edbc v\u00e0 kh\u00f3a ren t\u1ed1t? \u2192 Bulong si\u1ebft tr\u01b0\u1edbc.<br \/>\n&#8211; Kh\u00f4ng gian thao t\u00e1c h\u1ea1n ch\u1ebf, kh\u00f4ng cho ph\u00e9p \u0111\u1ea7u bu l\u00f4ng? \u2192 H\u00e0n ho\u1eb7c rivet \u0111\u1ea7u ch\u00ecm (n\u1ebfu t\u1ea3i ph\u00f9 h\u1ee3p).<\/p>\n<h2 id=\"toc-9-nguon-tham-khao\"><span class=\"ez-toc-section\" id=\"Nguon_tham_khao\"><\/span>Ngu\u1ed3n tham kh\u1ea3o<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; EN ISO 3506-1: Fasteners \u2014 Mechanical properties of corrosion-resistant stainless steel fasteners (ISO). https:\/\/www.iso.org<br \/>\n&#8211; Euro Inox &#038; SCI: Design Manual for Structural Stainless Steel. https:\/\/www.steel-stainless.org<br \/>\n&#8211; British Stainless Steel Association (BSSA): Galling of Stainless Steel; Fasteners and Preventing Galling. https:\/\/bssa.org.uk<br \/>\n&#8211; NASA Fastener Design Manual (NASA RP-1228): nguy\u00ean l\u00fd preload, ch\u1ed1ng l\u1ecfng. https:\/\/ntrs.nasa.gov\/citations\/19900009424<br \/>\n&#8211; DIN 65151 (Junker test) v\u00e0 t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u1ec1 v\u00f2ng \u0111\u1ec7m n\u00eam. V\u00ed d\u1ee5: Nord-Lock Insights. https:\/\/www.nord-lock.com\/insights<br \/>\n&#8211; ISO 14589: Blind rivets \u2014 Mechanical testing. https:\/\/www.iso.org<\/p>\n<h2 id=\"toc-10-ket-luan\"><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u00e3y \u01b0u ti\u00ean bulong\/\u1ed1c v\u00edt\/rivet khi c\u1ea7n th\u00e1o l\u1eafp nhanh, l\u00e0m vi\u1ec7c v\u1edbi t\u1ea5m Inox m\u1ecfng, h\u1ea1n ch\u1ebf bi\u1ebfn d\u1ea1ng nhi\u1ec7t, l\u1eafp d\u1ef1ng hi\u1ec7n tr\u01b0\u1eddng, ho\u1eb7c gh\u00e9p v\u1eadt li\u1ec7u d\u1ecb lo\u1ea1i.<br \/>\n&#8211; H\u00e0n v\u1eabn t\u1ed1i \u01b0u cho \u0111\u1ed9 k\u00edn tuy\u1ec7t \u0111\u1ed1i v\u00e0 truy\u1ec1n l\u1ef1c li\u00ean t\u1ee5c \u1edf k\u1ebft c\u1ea5u n\u1eb7ng, v\u1edbi \u0111i\u1ec1u ki\u1ec7n quy tr\u00ecnh h\u00e0n\u2013x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<br \/>\n&#8211; Th\u00e0nh c\u00f4ng c\u1ee7a li\u00ean k\u1ebft c\u01a1 kh\u00ed Inox ph\u1ee5 thu\u1ed9c v\u00e0o: ch\u1ecdn \u0111\u00fang c\u1ea5p v\u1eadt li\u1ec7u (A2\/A4\/duplex), thi\u1ebft k\u1ebf l\u1ed7\u2013m\u00e9p h\u1ee3p l\u00fd, ki\u1ec3m so\u00e1t l\u1ef1c si\u1ebft (preload), gi\u1ea3i ph\u00e1p ch\u1ed1ng l\u1ecfng, ph\u00f2ng \u0103n m\u00f2n k\u1ebd\u2013\u0111i\u1ec7n h\u00f3a, v\u00e0 quy tr\u00ecnh thi c\u00f4ng s\u1ea1ch.<br \/>\nC\u1ea7n t\u01b0 v\u1ea5n ch\u1ecdn gi\u1ea3i ph\u00e1p, c\u1ea5p b\u1ec1n v\u00e0 ph\u1ee5 ki\u1ec7n ph\u00f9 h\u1ee3p d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n? Li\u00ean h\u1ec7 Inox C\u01b0\u1eddng Th\u1ecbnh \u0111\u1ec3 \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb k\u1ef9 thu\u1eadt v\u00e0 b\u00e1o gi\u00e1 t\u1ed1t nh\u1ea5t. Hotline: 0343.417.281. Email: inoxcongnghiep.cuongthinh@gmail.com<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn quy\u1ebft \u0111\u1ecbnh d\u00f9ng bulong, \u1ed1c v\u00edt, rivet cho Inox thay h\u00e0n: ti\u00eau ch\u00ed k\u1ef9 thu\u1eadt, t\u1ea3i tr\u1ecdng, \u0103n m\u00f2n, t\u1ea5m m\u1ecfng, t\u00ednh th\u00e1o l\u1eafp, m\u00f4-men si\u1ebft v\u00e0 ti\u00eau chu\u1ea9n.<\/p>\n","protected":false},"author":7,"featured_media":1071,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2308","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"acf":[],"_links":{"self":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/comments?post=2308"}],"version-history":[{"count":0,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/posts\/2308\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media\/1071"}],"wp:attachment":[{"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/media?parent=2308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/categories?post=2308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inoxcuongthinh.com\/inct\/wp\/v2\/tags?post=2308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}