{"id":5575,"date":"2025-12-19T09:03:24","date_gmt":"2025-12-19T09:03:24","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5575"},"modified":"2025-12-19T09:03:24","modified_gmt":"2025-12-19T09:03:24","slug":"mechanical-performance-standards-for-self-drilling-screws-in-fasteners","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/tr\/blog\/mechanical-performance-standards-for-self-drilling-screws-in-fasteners\/","title":{"rendered":"Ba\u011flant\u0131 Elemanlar\u0131nda Kullan\u0131lan Kendinden Delmeli Vidalar i\u00e7in Mekanik Performans Standartlar\u0131"},"content":{"rendered":"<div style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: 0 auto; padding: 20px; background-color: #f9f9f9; border: 1px solid #ddd; border-radius: 5px;\">\n<h1 style=\"text-align: center; color: #0056b3; border-bottom: 2px solid #0056b3; padding-bottom: 10px;\"><\/h1>\n<h2 style=\"color: #0056b3; margin-top: 40px;\">girii\u015f<\/h2>\n<p>Bu makale, GB\/T 3098.11-2002 standard\u0131nda belirtilen kendinden delmeli k\u0131lavuz vidalar i\u00e7in mekanik performans standartlar\u0131n\u0131 detayland\u0131rmaktad\u0131r. Bu standartlar, kendinden delmeli vidalar\u0131n ba\u011flant\u0131 uygulamalar\u0131nda g\u00fcvenilirli\u011fini ve i\u015flevselli\u011fini, malzeme, metalurjik \u00f6zellikler ve mekanik performans a\u00e7\u0131s\u0131ndan g\u00fcvence alt\u0131na almaktad\u0131r. Kendinden delmeli vidalar, \u00f6nceden delme i\u015flemine gerek kalmadan kendi deliklerini a\u00e7mak ve e\u015fle\u015fen di\u015fler olu\u015fturmak \u00fczere tasarlanm\u0131\u015ft\u0131r; bu da onlar\u0131 in\u015faat, otomotiv ve imalat sekt\u00f6rlerinde vazge\u00e7ilmez k\u0131lmaktad\u0131r.<\/p>\n<h2 style=\"color: #0056b3; margin-top: 40px;\">Teknik Gereksinimler<\/h2>\n<h3 style=\"color: #333; margin-top: 20px;\">1.1 Malzemeler<\/h3>\n<p>Kendinden delmeli k\u0131lavuz vidalar\u0131, delme ve k\u0131lavuz \u00e7ekme i\u015flemleri i\u00e7in gerekli sertli\u011fi ve dayan\u0131kl\u0131l\u0131\u011f\u0131 sa\u011flamak \u00fczere karb\u00fcrlenmi\u015f \u00e7elikten veya \u0131s\u0131l i\u015flem g\u00f6rm\u00fc\u015f \u00e7elikten imal edilmelidir.<\/p>\n<h3 style=\"color: #333; margin-top: 20px;\">1.2 Metalurjik \u00d6zellikler<\/h3>\n<h4 style=\"color: #555; margin-top: 10px;\">1.2.1 Y\u00fczey Sertli\u011fi<\/h4>\n<p>Is\u0131l i\u015flemden sonra, kendinden delmeli k\u0131lavuz vidalar\u0131n y\u00fczey sertli\u011fi en az 530 HV0.3 olmal\u0131d\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">1.2.2 \u00c7ekirdek Sertli\u011fi<\/h4>\n<p>\u0130\u015flem sonras\u0131 \u00e7ekirdek sertli\u011fi \u015fu \u015fekilde olacakt\u0131r:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px;\">\n<li>Di\u015f ebatlar\u0131 \u2264 ST4.2 i\u00e7in 320 HV5 ila 400 HV5;<\/li>\n<li>Di\u015f ebatlar\u0131 &gt; ST4.2 i\u00e7in 320 HV10 ile 400 HV10 aras\u0131.<\/li>\n<\/ul>\n<p>\u00d6nerilen minimum temperleme s\u0131cakl\u0131\u011f\u0131 330\u00b0C'dir. Temperlenmi\u015f martensit k\u0131r\u0131lganl\u0131\u011f\u0131 riskini en aza indirmek i\u00e7in 275\u00b0C ile 315\u00b0C aras\u0131ndaki temperleme s\u0131cakl\u0131klar\u0131ndan ka\u00e7\u0131n\u0131lmal\u0131d\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">1.2.3 Karb\u00fcrlenmi\u015f Katman Derinli\u011fi<\/h4>\n<p>Karbonlama tabakas\u0131n\u0131n derinli\u011fi Tablo 1'deki de\u011ferlere uygun olmal\u0131d\u0131r.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; text-align: center; border: 1px solid #ccc;\">\n<caption style=\"font-weight: bold; margin-bottom: 10px;\">Tablo 1: Karb\u00fcrlenmi\u015f Katman Derinli\u011fi (mm)<\/caption>\n<thead>\n<tr style=\"background-color: #e9ecef; border-bottom: 1px solid #ccc;\">\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Di\u015f Boyutu<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Minimum<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Maksimum<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST2.9 ve ST3.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.05<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.18<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.2 - ST5.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.10<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.23<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST6.3<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.15<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"color: #555; margin-top: 10px;\">1.2.4 Mikro yap\u0131<\/h4>\n<p>Is\u0131l i\u015flem sonras\u0131 mikroyap\u0131da, y\u00fczey sertle\u015ftirilmi\u015f tabaka ile \u00e7ekirdek aras\u0131nda bantl\u0131 ferrit olu\u015fmamal\u0131d\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">1.2.5 Hidrojen K\u0131r\u0131lganl\u0131\u011f\u0131<\/h4>\n<p>Elektrokaplama y\u00f6ntemiyle \u00fcretilen kendinden delmeli k\u0131lavuz vidalar, hidrojen gevrekli\u011fi nedeniyle k\u0131r\u0131lma riski ta\u015f\u0131r. \u00dcretici ve\/veya kaplama firmas\u0131 taraf\u0131ndan, GB\/T 3098.17 standard\u0131na g\u00f6re testler de dahil olmak \u00fczere, bu riski kontrol alt\u0131na almak i\u00e7in \u00f6nlemler al\u0131nmal\u0131d\u0131r. Ayr\u0131ca, GB\/T 5267.1 standard\u0131na g\u00f6re elektrokaplama ba\u011flant\u0131 elemanlar\u0131nda hidrojen gevrekli\u011finin ortadan kald\u0131r\u0131lmas\u0131na ili\u015fkin gereklilikler de dikkate al\u0131nmal\u0131d\u0131r.<\/p>\n<h3 style=\"color: #333; margin-top: 20px;\">1.3 Mekanik \u00d6zellikler<\/h3>\n<h4 style=\"color: #555; margin-top: 10px;\">1.3.1 Sondaj Performans\u0131<\/h4>\n<p>Vidan\u0131n delme k\u0131sm\u0131, 2.2.1 b\u00f6l\u00fcm\u00fcnde belirtilen test ko\u015fullar\u0131 alt\u0131nda birbirine uyan i\u00e7 di\u015flerin ekstr\u00fczyonu i\u00e7in uygun \u00f6nceden haz\u0131rlanm\u0131\u015f bir deli\u011fi delecektir.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">1.3.2 Di\u015f A\u00e7ma Performans\u0131<\/h4>\n<p>B\u00f6l\u00fcm 2.2.1'de belirtilen \u015fekilde a\u00e7\u0131lan \u00f6nceden haz\u0131rlanm\u0131\u015f delikte, kendinden delmeli k\u0131lavuz vida, b\u00f6l\u00fcm 2.2.1.1'de belirtilen test plakas\u0131na vidaland\u0131\u011f\u0131nda deformasyona u\u011framadan e\u015fle\u015fen i\u00e7 di\u015fler olu\u015fturmal\u0131d\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">1.3.3 Burulma Dayan\u0131m\u0131<\/h4>\n<p>B\u00f6l\u00fcm 2.2.3'e g\u00f6re test edildi\u011finde, burulma dayan\u0131m\u0131, k\u0131r\u0131lma torkunun Tablo 4'teki de\u011ferlere e\u015fit veya daha b\u00fcy\u00fck olmas\u0131n\u0131 sa\u011flamal\u0131d\u0131r.<\/p>\n<h2 style=\"color: #0056b3; margin-top: 40px;\">Test Y\u00f6ntemleri<\/h2>\n<h3 style=\"color: #333; margin-top: 20px;\">2.1 Metalurjik \u00d6zellik Testleri<\/h3>\n<h4 style=\"color: #555; margin-top: 10px;\">2.1.1 Y\u00fczey Sertli\u011fi Testi<\/h4>\n<p>Y\u00fczey sertli\u011fi testi GB\/T 4340.1 standard\u0131na g\u00f6re yap\u0131lmal\u0131d\u0131r. Girintiler d\u00fcz y\u00fczeylere, tercihen vida ba\u015f\u0131na yap\u0131lmal\u0131d\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">2.1.2 \u00c7ekirdek Sertlik Testi<\/h4>\n<p>\u00c7ekirdek sertlik testi, GB\/T 4340.1 standard\u0131na g\u00f6re enine kesit \u00fczerinde yap\u0131lacakt\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">2.1.3 Karb\u00fcrlenmi\u015f Katman Derinli\u011fi \u00d6l\u00e7\u00fcm\u00fc<\/h4>\n<p>Karb\u00fcrlenmi\u015f tabaka derinli\u011fi, tepe ve k\u00f6k aras\u0131ndaki orta noktadaki yan y\u00fczeyde veya \u2264 ST4.2 vidalar i\u00e7in k\u00f6kte, uzunlamas\u0131na bir mikro kesit \u00fczerinde mikroskop kullan\u0131larak \u00f6l\u00e7\u00fclmelidir. Hakemlik i\u00e7in, di\u015f profiline 300 g test kuvveti uygulanarak mikro-Vickers sertli\u011fi kullan\u0131lmal\u0131 ve derinlik, \u00e7ekirdek sertli\u011fini 30 HV a\u015fan noktadan hesaplanmal\u0131d\u0131r.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">2.1.4 Mikro yap\u0131 Testi<\/h4>\n<p>Mikro yap\u0131 testleri, ilgili metalografik inceleme standartlar\u0131na uygun olarak yap\u0131lacakt\u0131r.<\/p>\n<h3 style=\"color: #333; margin-top: 20px;\">2.2 Mekanik \u00d6zellik Testleri<\/h3>\n<h4 style=\"color: #555; margin-top: 10px;\">2.2.1 Delme ve Di\u015f A\u00e7ma Testi<\/h4>\n<h5 style=\"color: #666; margin-top: 5px;\">2.2.1.1 Test Cihaz\u0131<\/h5>\n<p>Test plakas\u0131, karbon i\u00e7eri\u011fi \u2264 0,23% ve sertli\u011fi 110 HV30 ile 165 HV30 aras\u0131nda olan d\u00fc\u015f\u00fck karbonlu \u00e7elikten (GB\/T 4340.1 standard\u0131na g\u00f6re) yap\u0131lmal\u0131d\u0131r. Plaka kal\u0131nl\u0131\u011f\u0131 Tablo 2'ye uygun olmal\u0131d\u0131r. Test d\u00fczene\u011fi \u015eekil 1'de \u00f6rneklendirilmi\u015ftir (burada g\u00f6sterilmemi\u015ftir; \u015fema i\u00e7in standarda bak\u0131n\u0131z).<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; text-align: center; border: 1px solid #ccc;\">\n<caption style=\"font-weight: bold; margin-bottom: 10px;\">Tablo 2: Delme ve Di\u015f A\u00e7ma Test Verileri<\/caption>\n<thead>\n<tr style=\"background-color: #e9ecef; border-bottom: 1px solid #ccc;\">\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Di\u015f Boyutu<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Test Plakas\u0131 Kal\u0131nl\u0131\u011f\u0131 (mm)<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Eksenel Kuvvet (N)<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Maksimum Vidalama S\u00fcresi (s)<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Y\u00fck Alt\u0131nda Vida H\u0131z\u0131 (devir\/dak)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST2.9<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">0.7 + 0.7 = 1.4<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">150<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">3<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1800\u20132500<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST3.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1 + 1 = 2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">150<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">4<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1800\u20132500<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1.5 + 1.5 = 3<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">250<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1800\u20132500<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2 + 2 = 4<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">250<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">7<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1800\u20132500<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST5.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2 + 3 = 5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">350<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">11<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1000\u20131800<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST6.3<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2 + 3 = 5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">350<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">13<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1000\u20131800<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Not: Test plakas\u0131n\u0131n kal\u0131nl\u0131\u011f\u0131 iki \u00e7elik plakadan olu\u015fabilir. Bu de\u011ferler yaln\u0131zca kabul muayenesi i\u00e7indir.<\/p>\n<h5 style=\"color: #666; margin-top: 5px;\">2.2.1.2 Test Prosed\u00fcr\u00fc<\/h5>\n<p>Kaplamal\u0131 veya kaplamas\u0131z viday\u0131 (uygulamaya g\u00f6re) test plakas\u0131na, bir tam di\u015f ge\u00e7ene kadar vidalay\u0131n. Tablo 2'deki eksenel kuvvet ve vida h\u0131z\u0131 hem delme hem de k\u0131lavuz \u00e7ekme i\u015flemleri i\u00e7in ge\u00e7erlidir.<\/p>\n<h4 style=\"color: #555; margin-top: 10px;\">2.2.2 Sondaj Muayenesi<\/h4>\n<p>Anla\u015fma gere\u011fi, delme muayenesi yap\u0131labilir. Test plakas\u0131 2.2.1.1'e g\u00f6re, kal\u0131nl\u0131k Tablo 3'e g\u00f6re belirlenir. Konumland\u0131rma noktas\u0131 \u00f6nceden delinir. Delme i\u015fleminden sonra, maksimum delik boyutu Tablo 3 s\u0131n\u0131rlar\u0131n\u0131 a\u015fmamal\u0131d\u0131r. \u015eekil 2'deki fikst\u00fcr (g\u00f6sterilmemi\u015ftir; standarda bak\u0131n\u0131z), man\u015fon i\u00e7 \u00e7ap\u0131 di\u015f ana \u00e7ap\u0131ndan yakla\u015f\u0131k 0,25 mm daha b\u00fcy\u00fck olmak \u00fczere \u015eekil 1'i tamamlar. Man\u015fon uzunlu\u011fu, matkap ucunun uzamas\u0131na olanak tan\u0131r. Tablo 2'deki eksenel kuvvetler montaj\u0131 y\u00f6nlendirir; a\u015f\u0131lmas\u0131 matkap ucunun k\u0131r\u0131lmas\u0131na veya a\u015f\u0131r\u0131 \u0131s\u0131nmas\u0131na neden olabilir.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; text-align: center; border: 1px solid #ccc;\">\n<caption style=\"font-weight: bold; margin-bottom: 10px;\">Tablo 3: Sondaj Testi Verileri (mm)<\/caption>\n<thead>\n<tr style=\"background-color: #e9ecef; border-bottom: 1px solid #ccc;\">\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Di\u015f Boyutu<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Plaka Kal\u0131nl\u0131\u011f\u0131<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Minimum Delik \u00c7ap\u0131<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Maksimum Delik \u00c7ap\u0131<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST2.9<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2.2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST3.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2.7<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">3<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">3.2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">3.6<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">3.7<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">4.2<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST5.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">4.2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">4.8<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST6.3<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">4.8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">5.4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"color: #555; margin-top: 10px;\">2.2.3 Tork Testi<\/h4>\n<p>Viday\u0131, s\u0131k\u0131\u015ft\u0131r\u0131lan k\u0131sma zarar vermeden, uygun bir di\u015fli ay\u0131rma kal\u0131b\u0131na veya cihaza s\u0131k\u0131\u015ft\u0131r\u0131n. Cihaz, \u015eekil 3'te \u00f6rneklendirilmi\u015ftir (g\u00f6sterilmemi\u015ftir; standarda bak\u0131n\u0131z). S\u0131k\u0131\u015ft\u0131rmadan sonra, en az iki tam di\u015f cihaz\u0131n d\u0131\u015f\u0131na uzanmal\u0131 ve en az iki tam di\u015f (matkap ucu hari\u00e7) g\u00fcvenli bir \u015fekilde s\u0131k\u0131\u015ft\u0131r\u0131lmal\u0131d\u0131r. K\u0131sa vidalar i\u00e7in, ba\u015f k\u0131sm\u0131na kuvvet uygulamadan t\u00fcm di\u015fi s\u0131k\u0131\u015ft\u0131r\u0131n. Kalibre edilmi\u015f bir cihaz kullanarak k\u0131r\u0131lmaya kadar tork uygulay\u0131n. Vida, Tablo 4'teki k\u0131r\u0131lma torkuna (birimler: N\u00b7m) ula\u015fmal\u0131d\u0131r.<\/p>\n<table style=\"width: 100%; border-collapse: collapse; margin: 20px 0; text-align: center; border: 1px solid #ccc;\">\n<caption style=\"font-weight: bold; margin-bottom: 10px;\">Tablo 4: K\u0131r\u0131lma Torku (N\u00b7m)<\/caption>\n<thead>\n<tr style=\"background-color: #e9ecef; border-bottom: 1px solid #ccc;\">\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Di\u015f Boyutu<\/th>\n<th style=\"padding: 8px; border: 1px solid #ccc;\">Minimum<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST2.9<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">1.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST3.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">2.8<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.2<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">4.7<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST4.8<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">6.9<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST5.5<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">10.4<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">ST6.3<\/td>\n<td style=\"padding: 8px; border: 1px solid #ccc;\">16.9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tork testi i\u00e7in, tork anahtar\u0131n\u0131n \u00f6l\u00e7\u00fcm hatas\u0131 belirtilen de\u011ferin \u00b13% aral\u0131\u011f\u0131nda olmal\u0131d\u0131r. E\u015fde\u011fer do\u011frulukta bir g\u00fc\u00e7 cihaz\u0131 kullan\u0131labilir. Hakemlik i\u00e7in manuel tork anahtar\u0131 kullan\u0131n.<\/p>\n<h2 style=\"color: #0056b3; margin-top: 40px;\">SSS<\/h2>\n<dl style=\"margin-left: 20px;\">\n<dt style=\"font-weight: bold; margin-top: 10px;\">GB\/T 3098.11-2002 standard\u0131na g\u00f6re kendinden delmeli k\u0131lavuz vidalar i\u00e7in hangi malzemeler gereklidir?<\/dt>\n<dd>Belirtilen sertlik ve performans\u0131 elde etmek i\u00e7in karbonlama \u00e7eli\u011finden veya \u0131s\u0131l i\u015flem g\u00f6rm\u00fc\u015f \u00e7elikten yap\u0131lmalar\u0131 gerekir.<\/dd>\n<dt style=\"font-weight: bold; margin-top: 10px;\">Elektrolizle kaplanm\u0131\u015f vidalarda hidrojen gevrekli\u011fi nas\u0131l kontrol alt\u0131na al\u0131n\u0131r?<\/dt>\n<dd>\u00dcreticiler ve kaplama yapanlar, k\u0131r\u0131lma risklerini \u00f6nlemek i\u00e7in GB\/T 3098.17 standard\u0131na g\u00f6re testler yapmak ve hidrojen giderme i\u00e7in GB\/T 5267.1 standard\u0131n\u0131 dikkate almak da dahil olmak \u00fczere \u00f6nlemler uygulamal\u0131d\u0131r.<\/dd>\n<dt style=\"font-weight: bold; margin-top: 10px;\">Bu vidalar i\u00e7in minimum y\u00fczey sertli\u011fi nedir?<\/dt>\n<dd>Is\u0131l i\u015flemden sonra y\u00fczey sertli\u011fi en az 530 HV0.3 olmal\u0131d\u0131r.<\/dd>\n<dt style=\"font-weight: bold; margin-top: 10px;\">Neden belirli temperleme s\u0131cakl\u0131klar\u0131ndan ka\u00e7\u0131n\u0131lmal\u0131d\u0131r?<\/dt>\n<dd>275\u00b0C ile 315\u00b0C aras\u0131nda yap\u0131lan temperleme, temperlenmi\u015f martensit k\u0131r\u0131lganl\u0131\u011f\u0131 riskini art\u0131r\u0131r; minimum 330\u00b0C \u00f6nerilir.<\/dd>\n<dt style=\"font-weight: bold; margin-top: 10px;\">ST4.8 vidalar\u0131 i\u00e7in burulma dayan\u0131m\u0131 gereksinimleri nelerdir?<\/dt>\n<dd>Belirtilen y\u00f6nteme g\u00f6re test edildi\u011finde minimum k\u0131r\u0131lma torku 6,9 N\u00b7m'dir.<\/dd>\n<dt style=\"font-weight: bold; margin-top: 10px;\">Tahkim i\u00e7in karbonlama tabakas\u0131n\u0131n derinli\u011fi nas\u0131l \u00f6l\u00e7\u00fcl\u00fcr?<\/dt>\n<dd>Di\u015f profilinde, sertli\u011fin \u00e7ekirdek sertli\u011fini 30 HV a\u015ft\u0131\u011f\u0131 noktadan ba\u015flayarak, 300 g kuvvetle mikro-Vickers sertlik \u00f6l\u00e7\u00fcm\u00fcn\u00fc kullan\u0131n.<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction This article details the mechanical performance standards for self-drilling tapping screws as outlined in GB\/T 3098.11-2002. These standards ensure the reliability and functionality of self-drilling screws in fastening applications, covering materials, metallurgical properties, and mechanical performance. Self-drilling screws are designed to drill their own hole and form mating threads without pre-drilling, making them essential [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5575","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts\/5575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/comments?post=5575"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts\/5575\/revisions"}],"predecessor-version":[{"id":5577,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/posts\/5575\/revisions\/5577"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/media?parent=5575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/categories?post=5575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/tr\/wp-json\/wp\/v2\/tags?post=5575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}