{"id":2666,"date":"2025-08-21T09:15:53","date_gmt":"2025-08-21T01:15:53","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/minimizing-thermal-stress-selective-wave-soldering-tips\/"},"modified":"2026-08-03T19:01:12","modified_gmt":"2026-08-03T11:01:12","slug":"minimizing-thermal-stress-selective-wave-soldering-tips","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/tr\/minimizing-thermal-stress-selective-wave-soldering-tips\/","title":{"rendered":"Se\u00e7ici Dalga Lehimlemede Termal Gerilimin En Aza \u0130ndirilmesi"},"content":{"rendered":"<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/08\/1755738950-f8b7dd16d6b541c4aefb710cb8b0e921.webp\" alt=\"Minimizing Thermal Stress in Selective Wave Soldering\" ><\/figure>\n<\/p>\n<p>\u00d6n \u0131s\u0131tma, s\u0131cakl\u0131k kontrol\u00fc ve se\u00e7ici \u0131s\u0131tma kullanarak se\u00e7ici dalga lehimlemede termal stresi azaltabilirsiniz.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.mclpcb.com\/blog\/wave-soldering-issues\/\">\u00d6n \u0131s\u0131tma, PCB'yi yava\u015f\u00e7a \u0131s\u0131t\u0131r.<\/a>. Bu, termal \u015foku \u00f6nler ve par\u00e7alar\u0131n \u00e7atlamas\u0131n\u0131 veya kalkmas\u0131n\u0131 \u00f6nler.<\/li>\n<li>\u00d6n \u0131s\u0131tmay\u0131 atlarsan\u0131z, s\u0131cakl\u0131k sabit olmad\u0131\u011f\u0131 i\u00e7in deliklerin yeterince doldurulmamas\u0131 veya par\u00e7alar\u0131n kalkmas\u0131 gibi sorunlar ya\u015fayabilirsiniz.<\/li>\n<li><a href=\"https:\/\/www.seeedstudio.com\/blog\/2021\/06\/18\/why-pcb-preheating-is-so-important\/\">\u0130yi bir s\u0131cakl\u0131k kontrol\u00fc, lehim dalgas\u0131ndan \u00f6nce kart\u0131n yeterince \u0131s\u0131nmas\u0131n\u0131 sa\u011flar.<\/a>. Bu, daha iyi lehim ba\u011flant\u0131lar\u0131 olu\u015fturmaya yard\u0131mc\u0131 olur ve par\u00e7alar\u0131n ar\u0131zalanma olas\u0131l\u0131\u011f\u0131n\u0131 azalt\u0131r.<\/li>\n<\/ul>\n<h2 id=\"keytakeaways\">\u00d6nemli \u00c7\u0131kar\u0131mlar<\/h2>\n<ul>\n<li>PCB'yi 100\u00b0C ile 150\u00b0C aras\u0131nda yava\u015f\u00e7a \u0131s\u0131t\u0131n. Bu, termal \u015foku \u00f6nlemeye yard\u0131mc\u0131 olur. Ayr\u0131ca par\u00e7alar\u0131n \u00e7atlamas\u0131n\u0131 veya kalkmas\u0131n\u0131 da \u00f6nler.<\/li>\n<li>\u0130zle <a href=\"https:\/\/www.chuxin-smt.com\/tr\/improve-wave-soldering-quality-5-effective-methods\/\">lehim dalgas\u0131 ayarlar\u0131<\/a> s\u0131cakl\u0131k, dalga y\u00fcksekli\u011fi ve bekleme s\u00fcresi gibi. Bu, g\u00fc\u00e7l\u00fc lehim ba\u011flant\u0131lar\u0131 sa\u011flar. Ayr\u0131ca hasar\u0131 \u00f6nlemeye de yard\u0131mc\u0131 olur.<\/li>\n<li>Is\u0131 bariyerleri kullan\u0131n ve ak\u0131 dikkatli se\u00e7in. Bu, hassas par\u00e7alar\u0131 korur. Ayr\u0131ca lehim ak\u0131\u015f\u0131n\u0131 da iyile\u015ftirir.<\/li>\n<li>Sens\u00f6rler ve kameralar ile lehimleme s\u00fcrecini ger\u00e7ek zamanl\u0131 olarak kontrol edin. Bu, sorunlar\u0131 erken tespit etmeye yard\u0131mc\u0131 olur. Ayr\u0131ca kaliteyi y\u00fcksek tutar.<\/li>\n<li><a href=\"https:\/\/www.chuxin-smt.com\/tr\/high-precision-welding-selective-wave-soldering-solutions\/\">PCB'nizi tasarlay\u0131n<\/a> termal kabartmalar ve dengeli bak\u0131r ile. Bu, \u0131s\u0131y\u0131 e\u015fit olarak yayar. \u00c7arp\u0131lmay\u0131 veya s\u0131cak noktalar\u0131 \u00f6nlemeye yard\u0131mc\u0131 olur.<\/li>\n<\/ul>\n<h2 id=\"thermalstressbasics\">Termal Stres Temelleri<\/h2>\n<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/08\/1755738951-45aa593073fd4dc88d84128e189bcf13.webp\" alt=\"Thermal Stress Basics\" ><\/figure>\n<\/p>\n<h3 id=\"causes\">Nedenleri<\/h3>\n<p>Termal stres, PCB'nizdeki par\u00e7alar farkl\u0131 h\u0131zlarda b\u00fcy\u00fcd\u00fc\u011f\u00fcnde veya k\u00fc\u00e7\u00fcld\u00fc\u011f\u00fcnde ortaya \u00e7\u0131kar. \u00c7ip, lehim ve bak\u0131r gibi her malzeme kendi tarz\u0131nda boyut de\u011fi\u015ftirir. Bunun nedeni, her birinin <a href=\"https:\/\/www.mdpi.com\/2079-9292\/11\/1\/62\">farkl\u0131 termal genle\u015fme katsay\u0131s\u0131 (CTE)<\/a>. Kart\u0131 \u0131s\u0131tt\u0131\u011f\u0131n\u0131zda, bu farkl\u0131l\u0131klar malzemelerin birle\u015fti\u011fi yerlerde gerilime neden olur. En fazla gerilme, yonga ve lehim aras\u0131nda meydana gelir. Kart\u0131 bir\u00e7ok kez \u0131s\u0131t\u0131p so\u011futmak gerilimi daha da art\u0131r\u0131r. Birka\u00e7 d\u00f6ng\u00fcden sonra yonga-lehim noktas\u0131nda \u00e7atlaklar olu\u015fmaya ba\u015flayabilir. Yonga ile benzer CTE de\u011ferine sahip lehim se\u00e7erseniz, gerilimi azaltabilir ve kart\u0131n \u00f6mr\u00fcn\u00fc uzatabilirsiniz.<\/p>\n<p>Se\u00e7ici dalga lehimleme, \u0131s\u0131n\u0131n nereye gitti\u011fini kontrol etmenizi sa\u011flar. <a href=\"https:\/\/www.pcbaaa.com\/selective-wave-soldering-vs-traditional-wave-soldering-which-is-better\/\">t\u00fcm kart\u0131 \u0131s\u0131tmaz<\/a> geleneksel dalga lehimleme gibi. Bunun yerine, <a href=\"https:\/\/www.linkedin.com\/pulse\/role-significance-selective-wave-soldering-pcba-alice-wu-sru7c\">sadece lehimlenmesi gereken noktalar\u0131 \u0131s\u0131t\u0131r<\/a>. Bu, kart\u0131n geri kalan\u0131n\u0131 daha serin tutar. Ayr\u0131ca konekt\u00f6rler ve IC'ler gibi par\u00e7alar\u0131 da korur. Kart\u0131n tamam\u0131n\u0131 s\u0131cak lehim i\u00e7ine dald\u0131rmayarak, kart \u00fczerindeki \u0131s\u0131y\u0131 d\u00fc\u015f\u00fcr\u00fcrs\u00fcn\u00fcz. Bu, SMT par\u00e7alar\u0131n\u0131n g\u00fcvenli\u011fini sa\u011flamaya yard\u0131mc\u0131 olur.<\/p>\n<h3 id=\"effects\">Etkileri<\/h3>\n<p>Termal stres, lehim ba\u011flant\u0131lar\u0131 ve par\u00e7alar i\u00e7in bir\u00e7ok soruna neden olabilir. \u0130\u015fte baz\u0131 yayg\u0131n etkiler:<\/p>\n<ul>\n<li>Lehim ba\u011flant\u0131lar\u0131, \u00e7o\u011funlukla lehimin \u00e7ip ile birle\u015fti\u011fi yerde \u00e7atlayabilir.<\/li>\n<li>Lehimdeki intermetalik bile\u015fik (IMC) tabakalar\u0131 kal\u0131nla\u015fabilir ve daha k\u0131r\u0131lgan hale gelebilir, bu da ba\u011flant\u0131lar\u0131 zay\u0131flat\u0131r.<\/li>\n<li>Kart \u00e7ok s\u0131k \u0131s\u0131nd\u0131\u011f\u0131nda ve so\u011fudu\u011funda lehim ba\u011flant\u0131lar\u0131 uzun s\u00fcre dayanmaz.<\/li>\n<li>Elektronik cihazlar ar\u0131zalanabilir ve <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11123225\/\">bu ar\u0131zalar\u0131n yakla\u015f\u0131k 70%'si<\/a> paketleme ve montaj sorunlar\u0131ndan kaynaklanmaktad\u0131r, genellikle lehim ba\u011flant\u0131lar\u0131ndaki termal ar\u0131zalardan dolay\u0131.<\/li>\n<li>Daha k\u00fc\u00e7\u00fck lehim ba\u011flant\u0131lar\u0131 ve kur\u015funsuz lehimler, IMC'nin daha h\u0131zl\u0131 b\u00fcy\u00fcmesine neden olarak bu sorunlar\u0131 daha da k\u00f6t\u00fcle\u015ftirebilir.<\/li>\n<\/ul>\n<blockquote>\n<p>\u0130pucu: S\u0131cakl\u0131k d\u00f6ng\u00fclerini izleyerek ve benzer CTE de\u011ferlerine sahip malzemeler se\u00e7erek kart\u0131n\u0131z\u0131 daha g\u00fcvenilir hale getirebilirsiniz.<\/p>\n<\/blockquote>\n<h2 id=\"keyfactors\">Temel Fakt\u00f6rler<\/h2>\n<h3 id=\"temperatureprofile\">S\u0131cakl\u0131k Profili<\/h3>\n<p>\u0130zlemek \u00f6nemlidir <a href=\"https:\/\/www.hvttec.com\/what-is-the-optimal-temperature-for-selective-wave-soldering.html\">s\u0131cakl\u0131k profili<\/a> se\u00e7ici dalga lehimleme s\u0131ras\u0131nda. Bu, PCB'nizi ve par\u00e7alar\u0131n\u0131 g\u00fcvende tutmaya yard\u0131mc\u0131 olur. <a href=\"https:\/\/www.allpcb.com\/fr-FR\/blog\/pcb-assembly\/optimizing-wave-soldering-temperature-a-key-factor-for-reliable-pcb-joints.html\">Kart\u0131 100\u00b0C ile 150\u00b0C aras\u0131nda 60 ila 120 saniye boyunca \u00f6n \u0131s\u0131tma<\/a> yard\u0131mc\u0131 olur. Termal \u015foku azalt\u0131r ve ak\u0131 \u00e7al\u0131\u015f\u0131r hale getirir. Bu ad\u0131m, kart\u0131 lehimlemeye haz\u0131r hale getirir. Ayr\u0131ca ak\u0131n\u0131n oksitleri temizleyebilmesini sa\u011flar. Kart\u0131 saniyede 1\u20133 \u00b0C h\u0131zla yava\u015f\u00e7a \u0131s\u0131t\u0131rsan\u0131z, h\u0131zl\u0131 de\u011fi\u015fiklikleri \u00f6nlersiniz. <a href=\"https:\/\/wraycastle.com\/blogs\/knowledge-base\/soldering-temperature\">s\u0131cakl\u0131k<\/a>. H\u0131zl\u0131 de\u011fi\u015fiklikler termal strese neden olabilir.<\/p>\n<p>En iyi s\u0131cakl\u0131k profili ayarlar\u0131n\u0131 g\u00f6steren tablo a\u015fa\u011f\u0131dad\u0131r:<\/p>\n<p>| Temperature Profile Parameter | Recommended Range \/ Description  |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; |<br \/>\n| Preheat Temperature           | 100\u00b0C to 150\u00b0C                   |<br \/>\n| Solder Bath Temperature       | 250\u00b0C to 300\u00b0C                   |<br \/>\n| Cooling Rate                  | 2\u20134\u00b0C per second                 |<br \/>\n| Nitrogen Environment          | 250\u00b0C\u2013270\u00b0C for void-free joints |<br \/>\n| Temperature Monitoring        | Use thermocouples or IR sensors  |<br \/>\n| Equipment Calibration         | Regular calibration              |<\/p>\n<blockquote>\n<p>Not: <a href=\"https:\/\/jhdpcb.com\/blog\/wave-and-reflow-soldering\/\">Kart\u0131 saniyede 2\u20134 \u00b0C h\u0131zla so\u011futma<\/a> PCB'nin b\u00fck\u00fclmesini \u00f6nler. Ayr\u0131ca lehim ba\u011flant\u0131lar\u0131n\u0131 sa\u011flam tutar.<\/p>\n<\/blockquote>\n<h3 id=\"dwelltime\">Bekleme S\u00fcresi<\/h3>\n<p><a href=\"https:\/\/www.wevolver.com\/article\/soldering-temperature-optimizing-heat-for-reliable-electronic-assemblies\">Bekleme s\u00fcresi<\/a> kart\u0131n lehim dalgas\u0131na temas etti\u011fi s\u00fcredir. Bu s\u00fcreyi dikkatle izlemeniz gerekir. Kart lehimde \u00e7ok uzun s\u00fcre kal\u0131rsa, hassas par\u00e7alar zarar g\u00f6rebilir. Ba\u011flant\u0131 telinin kalkmas\u0131, kal\u0131p hasar\u0131 veya plasti\u011fin erimesi gibi durumlar meydana gelebilir. Daha uzun bekleme s\u00fcreleri daha fazla \u0131s\u0131 anlam\u0131na gelir ve bu da termal stresi art\u0131r\u0131r. Sadece birka\u00e7 saniye i\u00e7inde lehimleme yapabilece\u011finiz en d\u00fc\u015f\u00fck s\u0131cakl\u0131\u011f\u0131 kullan\u0131n. Bu, bekleme s\u00fcresini k\u0131sa tutar. Kart\u0131n ba\u011flant\u0131lar aras\u0131nda so\u011fumas\u0131n\u0131 sa\u011flamak, \u0131s\u0131n\u0131n birikmesini \u00f6nler.<\/p>\n<ul>\n<li>\u00c7ok uzun bekleme s\u00fcresi, hasar olas\u0131l\u0131\u011f\u0131n\u0131n artmas\u0131 anlam\u0131na gelir.<\/li>\n<li>\u00c7ok k\u0131sa bekleme s\u00fcresi, zay\u0131f lehim ba\u011flant\u0131lar\u0131 anlam\u0131na gelir.<\/li>\n<li>Tahtan\u0131z i\u00e7in do\u011fru s\u00fcreyi bulman\u0131z gerekir.<\/li>\n<\/ul>\n<h3 id=\"componentsensitivity\">Bile\u015fen Hassasiyeti<\/h3>\n<p>Baz\u0131 par\u00e7alar di\u011ferlerine g\u00f6re \u0131s\u0131ya daha duyarl\u0131d\u0131r. Lehimlemeden \u00f6nce her par\u00e7an\u0131n \u00f6zelliklerini daima kontrol edin. En hassas par\u00e7alar i\u00e7in lehimleme h\u0131z\u0131n\u0131 ve ekipman s\u0131cakl\u0131\u011f\u0131n\u0131 de\u011fi\u015ftirin. S\u0131cakl\u0131k \u00e7ok y\u00fcksekse, lehim ba\u011flant\u0131lar\u0131 k\u0131r\u0131lgan hale gelebilir veya kart \u00e7atlayabilir. S\u0131cakl\u0131k \u00e7ok d\u00fc\u015f\u00fckse, lehim iyi akmayabilir. Bu da zay\u0131f ba\u011flant\u0131lara neden olabilir. <a href=\"https:\/\/www.emerald.com\/insight\/content\/doi\/10.1108\/ssmt-11-2023-0064\/full\/html\">\u0130yi s\u0131cakl\u0131k kontrol\u00fc<\/a> ve dikkatli \u00e7al\u0131\u015fma, lehim k\u00f6pr\u00fclenmesi ve di\u011fer sorunlar\u0131n \u00f6nlenmesine yard\u0131mc\u0131 olur. Bu, termal stresi m\u00fcmk\u00fcn oldu\u011funca d\u00fc\u015f\u00fck tutar.<\/p>\n<h2 id=\"minimizingthermalstress\">Termal Stresi En Aza \u0130ndirme<\/h2>\n<h3 id=\"preheating\">\u00d6n \u0131s\u0131tma<\/h3>\n<p>PCB'yi yava\u015f\u00e7a \u0131s\u0131tarak termal stresi azaltabilirsiniz. Lehim dalgas\u0131na temas etmeden \u00f6nce kart\u0131 \u0131s\u0131t\u0131n. Bu, ak\u0131n\u0131n metali temizlemesine yard\u0131mc\u0131 olur ve lehimin daha iyi akmas\u0131n\u0131 sa\u011flar. \u00d6n \u0131s\u0131tma ayr\u0131ca par\u00e7alar\u0131 k\u0131r\u0131p lehim ba\u011flant\u0131lar\u0131na zarar verebilecek termal \u015foku da \u00f6nler. En iyi sonu\u00e7lar i\u00e7in \u00f6n \u0131s\u0131tma s\u0131cakl\u0131\u011f\u0131n\u0131 105\u00b0C ile 145\u00b0C aras\u0131nda tutun. Ak\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131 i\u00e7in kart\u0131 bu s\u0131cakl\u0131kta yeterince uzun s\u00fcre tutun, ancak yanmayacak kadar uzun s\u00fcre tutmay\u0131n.<\/p>\n<blockquote>\n<p><strong>\u0130pucu:<\/strong> \u00d6n \u0131s\u0131tma, ak\u0131 maddesinin \u00e7al\u0131\u015fmas\u0131na yard\u0131mc\u0131 olur ve kart\u0131 e\u015fit \u015fekilde \u0131s\u0131t\u0131r. Bu, lehimleme s\u0131ras\u0131nda hassas par\u00e7alar\u0131n daha g\u00fcvenli olmas\u0131n\u0131 sa\u011flar.<\/p>\n<\/blockquote>\n<h3 id=\"solderwavecontrol\">Lehim Dalgas\u0131 Kontrol\u00fc<\/h3>\n<p>\u015eunlar\u0131 yapmal\u0131s\u0131n\u0131z <a href=\"https:\/\/www.chuxin-smt.com\/tr\/improve-wave-soldering-quality-5-effective-methods\/\">lehim dalgas\u0131n\u0131 kontrol etmek<\/a> termal stresi d\u00fc\u015f\u00fck tutmak i\u00e7in. Kart\u0131n\u0131z i\u00e7in dalga y\u00fcksekli\u011fini, temas s\u00fcresini ve lehim s\u0131cakl\u0131\u011f\u0131n\u0131 de\u011fi\u015ftirin. Sens\u00f6rleri kullan\u0131n ve bu ayarlar\u0131 sabit tutmak i\u00e7in s\u0131k s\u0131k kontrol edin. A\u015fa\u011f\u0131daki tablo <a href=\"https:\/\/www.ltpcba.com\/key-parameters-for-controlling-smt-wave-soldering-processes\/\">her ayar i\u00e7in en uygun aral\u0131klar<\/a>:<\/p>\n<p>| Parameter       | Recommended Range\/Value                              | Purpose\/Effect on Thermal Stress and Solder Quality                                                                         |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; |<br \/>\n| Wave Height     | 8\u201312 mm                                              | Makes sure pads touch the solder but do not splash; too low means open circuits, too high means splatter and bridging.      |<br \/>\n| Contact Time    | 2 sec (small components), 4 sec (large through-hole) | Gives enough time for soldering without too much heat, balancing wetting and thermal stress.                                |<br \/>\n| Cooling Rate    | 3\u20136 \u00b0C\/s                                             | Fast but steady cooling stops thermal stress and cracks; too fast causes stress, too slow makes weak joints.                |<br \/>\n| Preheating Temp | 105\u2013145 \u00b0C                                           | Activates flux and stops thermal shock; too low means flux does not work, too high burns flux and causes oxidation.         |<br \/>\n| Solder Temp     | Lead-free: 250\u2013270 \u00b0C; Leaded: 230\u2013250 \u00b0C            | Matches the solder melting point so parts do not get damaged.                                                               |<br \/>\n| Conveyor Speed  | 0.8\u20131.5 m\/min (varies by PCB complexity)             | Controls how long the board is in the solder wave; too fast means cold joints, too slow means overheating and color change. |<\/p>\n<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/08\/1755738952-chart_1755738286754734924.webp\" alt=\"Bar chart comparing recommended ranges for solder wave process parameters\" ><\/figure>\n<\/p>\n<ul>\n<li>Kart\u0131n\u0131za yak\u0131n bir termal genle\u015fme katsay\u0131s\u0131na sahip lehim kullan\u0131n.<\/li>\n<li><a href=\"https:\/\/www.numberanalytics.com\/blog\/ultimate-soldering-guide-advanced-processing\">A\u015f\u0131r\u0131 \u0131s\u0131nmay\u0131 \u00f6nlemek i\u00e7in lehimleme s\u0131cakl\u0131\u011f\u0131n\u0131 ve s\u00fcresini ayarlay\u0131n.<\/a>.<\/li>\n<li>\u00c7atlaklar\u0131 \u00f6nlemek i\u00e7in yava\u015f ve sabit bir so\u011futma h\u0131z\u0131 se\u00e7in.<\/li>\n<li>Kart\u0131n\u0131z ve ekipman\u0131n\u0131z i\u00e7in t\u00fcm ayarlar\u0131 de\u011fi\u015ftirin.<\/li>\n<li>Oksidasyonu durdurmak ve lehimlemeyi iyile\u015ftirmek i\u00e7in azot kullan\u0131n.<\/li>\n<\/ul>\n<blockquote>\n<p><strong>Not:<\/strong> \u00c7ok katmanl\u0131 kartlar i\u00e7in, d\u00f6nen termal rahatlamalar kullan\u0131n ve bunlar\u0131 en az 0,4 mm tutun. Bu, Z ekseni stresini azaltmaya yard\u0131mc\u0131 olur ve kart\u0131n b\u00fck\u00fclmesini \u00f6nler.<\/p>\n<\/blockquote>\n<h3 id=\"thermalbarriers\">Is\u0131 Bariyerleri<\/h3>\n<p><a href=\"https:\/\/www.linkedin.com\/pulse\/how-does-parameter-temperature-correction-work-smt-process-uqwyc\">Is\u0131 bariyerleri hassas par\u00e7alar\u0131 a\u015f\u0131r\u0131 \u0131s\u0131dan korur<\/a>. Is\u0131y\u0131 engellemek i\u00e7in al\u00fcminyum veya seramikten yap\u0131lm\u0131\u015f kalkanlar kullanabilirsiniz. Ge\u00e7ici kapaklar veya kapaklar, kart haz\u0131r olana kadar \u0131s\u0131y\u0131 tutar. Bu y\u00f6ntemler, t\u00fcm par\u00e7alar\u0131n ayn\u0131 h\u0131zda \u0131s\u0131nmas\u0131na yard\u0131mc\u0131 olur ve bu da termal stresi azalt\u0131r.<\/p>\n<ul>\n<li>Kalkanlar ve bariyerler, hassas par\u00e7alar\u0131 \u0131s\u0131dan korur.<\/li>\n<li>Tahtan\u0131n daha e\u015fit bir \u015fekilde \u0131s\u0131nmas\u0131na yard\u0131mc\u0131 olurlar.<\/li>\n<li>\u00c7atlaklara veya zay\u0131f ba\u011flant\u0131lara neden olabilecek h\u0131zl\u0131 veya dengesiz \u0131s\u0131nmay\u0131 \u00f6nlersiniz.<\/li>\n<\/ul>\n<blockquote>\n<p><strong>Alarm:<\/strong> Is\u0131 bariyerlerinin iyi oturdu\u011funu ve lehim dalgas\u0131n\u0131n pedlere ula\u015fmas\u0131n\u0131 engellemedi\u011fini daima kontrol edin.<\/p>\n<\/blockquote>\n<h3 id=\"fluxselection\">Ak\u0131 Se\u00e7imi<\/h3>\n<p>Do\u011fru ak\u0131 se\u00e7imi, termal stresi azaltmak i\u00e7in \u00f6nemlidir. S\u0131cakl\u0131\u011f\u0131n\u0131z i\u00e7in do\u011fru aktivite seviyesine sahip bir ak\u0131 se\u00e7in. Kat\u0131 madde i\u00e7eri\u011fini kontrol edin, \u00e7\u00fcnk\u00fc bu, ak\u0131n\u0131n \u0131s\u0131 ile nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 etkiler. Hasar\u0131 \u00f6nlemek i\u00e7in ak\u0131n\u0131n kart\u0131n\u0131z ve par\u00e7alar\u0131n\u0131zla uyumlu oldu\u011fundan emin olun.<\/p>\n<ol>\n<li>\u0130yi bir aktivasyon i\u00e7in aktivite seviyesine g\u00f6re ak\u0131 se\u00e7in.<\/li>\n<li>Is\u0131yla iyi performans i\u00e7in kat\u0131 madde i\u00e7eri\u011fini kontrol edin.<\/li>\n<li>Ak\u0131, kart\u0131n\u0131z ve par\u00e7alar\u0131n\u0131zla uyumlu oldu\u011fundan emin olun.<\/li>\n<\/ol>\n<blockquote>\n<p><strong>\u0130pucu:<\/strong> <a href=\"https:\/\/www.linkedin.com\/pulse\/selective-soldering-pcb-technical-details-hpoac\">\u00d6n \u0131s\u0131tma, ak\u0131\u015fkan\u0131n daha iyi \u00e7al\u0131\u015fmas\u0131na yard\u0131mc\u0131 olur.<\/a>, termal \u015foku azalt\u0131r ve lehim yap\u0131\u015fmas\u0131na yard\u0131mc\u0131 olur. Bu ad\u0131m, g\u00fc\u00e7l\u00fc ve g\u00fcvenilir ba\u011flant\u0131lar sa\u011flar.<\/p>\n<\/blockquote>\n<h2 id=\"processcontrol\">Proses Kontrol\u00fc<\/h2>\n<h3 id=\"monitoring\">\u0130zleme<\/h3>\n<p>Se\u00e7ici dalga lehimleme i\u015flemini ger\u00e7ekle\u015firken izlemek \u00f6nemlidir. Modern makineler, s\u0131cakl\u0131k, dalga y\u00fcksekli\u011fi ve nitrojen ak\u0131\u015f\u0131n\u0131 kontrol etmek i\u00e7in \u00f6zel ara\u00e7lar kullan\u0131r. Bu ara\u00e7lar, sorunlar\u0131 kartlar\u0131n\u0131za zarar vermeden \u00f6nce bulman\u0131za yard\u0131mc\u0131 olur. An\u0131nda geri bildirim ald\u0131\u011f\u0131n\u0131zda, ayarlar\u0131 h\u0131zl\u0131 bir \u015fekilde de\u011fi\u015ftirebilirsiniz. Bu, i\u015flemi istikrarl\u0131 ve tekrarlanmas\u0131 kolay hale getirir.<\/p>\n<p>\u0130\u015fte en iyi izleme sistemlerinden baz\u0131lar\u0131 ve bunlar\u0131n i\u015flevleri hakk\u0131nda bir tablo:<\/p>\n<p>| Temperature Monitoring System    | Description                                                                                                                                                                                                               | Contribution to Process Reliability                                           |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; |<br \/>\n| Optical Pyrometer                | Measures the real PCB temperature and uses closed-loop control                                                                                                                                                            | Gives exact temperature readings and feedback for steady soldering quality    |<br \/>\n| Nitrogen Flow Digital Monitoring | Checks nitrogen pressure and flow to keep the solder pot level and temperature steady                                                                                                                                     | Keeps solder pot conditions steady and repeatable, better than old probes     |<br \/>\n| Super-Heated Nitrogen Path       | Warms up nitrogen inside the solder pot and along the solder path                                                                                                                                                         | Stops temperature changes in the solder wave, making the process more stable  |<br \/>\n| Wave Height Monitoring           | Uses resistive checks and closed-loop feedback to keep <a href=\"https:\/\/www.us-tech.com\/RelId\/700102\/issearch\/seica\/pagenum\/34\/ISvars\/default\/Lead_free_Selective_Soldering_Equipment.htm\">dalga y\u00fcksekli\u011fi \u00b10,005 in\u00e7 i\u00e7inde.<\/a> | Needed for soldering small, close-together parts with high accuracy           |<br \/>\n| PID Temperature Control          | Controls solder wave crest temperature from 0-400\u00b0C with closed-loop servomotor tech                                                                                                                                      | Gives accurate, repeatable temperature control and placement during soldering |<br \/>\n| Soldering Vision System          | Watches and records the soldering process in real time                                                                                                                                                                    | Helps track the process and check quality right away                          |<br \/>\n| Top-Side Preheating              | Keeps the board warm during soldering, good for heavy boards                                                                                                                                                              | Makes heat spread better and helps solder stick, giving steady results        |<\/p>\n<p>Ayr\u0131ca \u015funu da kullanabilirsiniz <a href=\"https:\/\/www.chuxin-smt.com\/tr\/wave-solder-vs-selective-wave-soldering-choosing-the-right-method-for-your-pcb\/\">ger\u00e7ek zamanl\u0131 \u00e7al\u0131\u015fan kameralar ve alarmlar<\/a>. Bu ara\u00e7lar, sorunlar\u0131 h\u0131zl\u0131 bir \u015fekilde tespit etmenize ve i\u015flerin sorunsuz bir \u015fekilde devam etmesine yard\u0131mc\u0131 olur.<\/p>\n<h3 id=\"validation\">Do\u011frulama<\/h3>\n<p>Yapman\u0131z gereken <a href=\"https:\/\/www.chuxin-smt.com\/tr\/improve-wave-soldering-quality-5-effective-methods\/\">s\u00fcreci kontrol edin<\/a> kalite kurallar\u0131na uymak ve lehim ba\u011flant\u0131lar\u0131n\u0131n sa\u011flam oldu\u011fundan emin olmak i\u00e7in. Do\u011frulama, malzemelerden makine ayarlar\u0131na kadar her ad\u0131m\u0131 kontrol etmek anlam\u0131na gelir. Bir s\u00fcre\u00e7 ak\u0131\u015f \u015femas\u0131 olu\u015fturarak ve olas\u0131 ar\u0131zalar\u0131 arayarak ba\u015flay\u0131n. S\u00fcrecinizi en d\u00fc\u015f\u00fck ve en y\u00fcksek s\u0131cakl\u0131k, ak\u0131 ve konvey\u00f6r h\u0131z\u0131 ayarlar\u0131nda test edin. Bu, s\u00fcrecinizin her durumda \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131 g\u00f6sterir.<\/p>\n<p>| <a href=\"https:\/\/elsmar.com\/elsmarqualityforum\/threads\/validation-of-wave-solder-process-pcba-for-medical-products.48274\/\">Do\u011frulama Y\u00f6n\u00fc<\/a> | Recommended Procedure \/ Consideration                                                                                  |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- |<br \/>\n| Process Variables                                                                                                                     | Track and write down solder type, flux type and use, bath and zone temperatures, wave height, and conveyor speed.      |<br \/>\n| Process Flow Analysis                                                                                                                 | Begin with a Process Flow Diagram (PFD) and a Process Failure Mode Effects Analysis (pFMEA) to find key risks.         |<br \/>\n| Validation Trials                                                                                                                     | Test process settings at the hardest limits (like low\/high temperatures, flux amounts, chain speeds) to check quality. |<br \/>\n| Inspection Methods                                                                                                                    | Use visual checks and X-ray scans to verify, but not just for validation.                                              |<br \/>\n| Continuous Monitoring                                                                                                                 | Always record process settings and compare them to good ones for better control.                                       |<br \/>\n| Sample Size &amp; Criteria                                                                                                                | Use experience or math methods; check first samples by eye and test all for function.                                  |<br \/>\n| Operator Qualification                                                                                                                | Make sure operators are trained, certified, and checked for quality as part of validation.                             |<br \/>\n| Qualification Phases                                                                                                                  | Use Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ).               |<\/p>\n<blockquote>\n<p><strong>\u0130pucu:<\/strong> S\u00fcrecinizi s\u00fcrekli izlemek ve kontrol etmek, sorunlar\u0131 erken a\u015famada tespit etmenize yard\u0131mc\u0131 olur. Bu sayede s\u00fcreciniz g\u00fc\u00e7l\u00fc kal\u0131r ve \u00fcr\u00fcnleriniz g\u00fcvenli olur.<\/p>\n<\/blockquote>\n<h2 id=\"pcbdesign\">PCB Tasar\u0131m\u0131<\/h2>\n<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/08\/1755738952-78d85fe84746451e933299a889d54d04.webp\" alt=\"PCB Design\" ><\/figure>\n<\/p>\n<h3 id=\"layouttips\">D\u00fczenleme \u0130pu\u00e7lar\u0131<\/h3>\n<p>Termal b\u00f6lgeler olu\u015fturarak PCB'nizin \u0131s\u0131y\u0131 daha iyi y\u00f6netmesini sa\u011flayabilirsiniz. Bu b\u00f6lgeler, kart\u0131n yava\u015f ve e\u015fit bir \u015fekilde \u0131s\u0131nmas\u0131na yard\u0131mc\u0131 olur. Kullan\u0131m <a href=\"https:\/\/unitcircuits.com\/lead-free-pcb-assembly-thermal-management\/\">g\u00fc\u00e7 d\u00fczlemlerinde termal rahatlama delikleri<\/a> s\u0131cak noktalardan \u0131s\u0131y\u0131 uzakla\u015ft\u0131rmak i\u00e7in. Bu, kart\u0131n a\u015f\u0131r\u0131 \u0131s\u0131nmas\u0131n\u0131 \u00f6nler. Farkl\u0131 \u0131s\u0131 gereksinimleri olan par\u00e7alar\u0131 ayr\u0131 alanlara yerle\u015ftirin. Bu, hassas par\u00e7alar\u0131 a\u015f\u0131r\u0131 \u0131s\u0131dan korur. \u00c7al\u0131\u015ft\u0131r\u0131n <a href=\"https:\/\/www.ltpcba.com\/reflow-soldering-temperature-zones-and-pcb-quality\/\">termal stres modellemesi<\/a> tasar\u0131m\u0131n\u0131z\u0131n erken a\u015famalar\u0131nda. Bu, kart\u0131 olu\u015fturmadan \u00f6nce sorunlu noktalar\u0131 bulup d\u00fczeltmenize yard\u0131mc\u0131 olur.<\/p>\n<p>Is\u0131y\u0131 y\u00f6netmeye yard\u0131mc\u0131 olacak baz\u0131 d\u00fczen stratejileri \u015funlard\u0131r:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.mclpcb.com\/pcb-guide\/\">Pedleri d\u00fczlemlere ba\u011flamak i\u00e7in termal kabartmalar ekleyin<\/a> daha iyi \u0131s\u0131 ak\u0131\u015f\u0131 i\u00e7in.<\/li>\n<li>Tahtadaki bak\u0131r\u0131 dengeleyerek e\u011frilme ve b\u00fck\u00fclmeyi \u00f6nleyin.<\/li>\n<li>Is\u0131y\u0131 e\u015fit olarak yaymak i\u00e7in bak\u0131r d\u00f6k\u00fcmleri ve h\u0131rs\u0131zl\u0131k kullan\u0131n.<\/li>\n<li>Sim\u00fclasyon ara\u00e7lar\u0131yla tasar\u0131m\u0131n\u0131z\u0131 kontrol ederek termal sorunlar\u0131 tespit edin.<\/li>\n<\/ul>\n<blockquote>\n<p><strong>\u0130pucu:<\/strong> Kullan\u0131m <a href=\"https:\/\/www.wevolver.com\/article\/demystifying-soldering-techniques-a-comparison-of-wave-soldering-and-reflow-soldering\">lehimleme s\u0131ras\u0131nda paletler veya sabitleme aparatlar\u0131<\/a> tahtay\u0131 desteklemek ve e\u011frilmeyi \u00f6nlemek i\u00e7in.<\/p>\n<\/blockquote>\n<h3 id=\"componentchoice\">Bile\u015fen Se\u00e7imi<\/h3>\n<p>Is\u0131ya dayan\u0131kl\u0131 par\u00e7alar\u0131 se\u00e7in. <a href=\"https:\/\/www.chuxin-smt.com\/tr\/wave-solder-vs-selective-wave-soldering-choosing-the-right-method-for-your-pcb\/\">se\u00e7i\u0307ci\u0307 dalga lehi\u0307mleme<\/a>. \u00c7o\u011fu kur\u015funsuz par\u00e7a almak zorundad\u0131r <a href=\"https:\/\/www.allpcb.com\/blog\/pcb-assembly\/optimizing-wave-soldering-temperature-a-key-factor-for-reliable-pcb-joints.html\">250\u00b0C ila 260\u00b0C<\/a>. Her par\u00e7an\u0131n dayanabilece\u011fi en y\u00fcksek s\u0131cakl\u0131\u011f\u0131 her zaman kontrol edin, \u00f6zellikle elektrolitik kondansat\u00f6rler ve mikrodenetleyiciler i\u00e7in. Kullan\u0131n <a href=\"https:\/\/hillmancurtis.com\/attention-to-in-pcb-soldering\/\">termal profil olu\u015fturma<\/a> En hassas par\u00e7alar\u0131n\u0131z i\u00e7in do\u011fru s\u0131cakl\u0131\u011f\u0131 ayarlamak i\u00e7in gerekli ara\u00e7lar. Is\u0131tma ihtiya\u00e7lar\u0131n\u0131za uygun kart kal\u0131nl\u0131\u011f\u0131n\u0131 ve bak\u0131r a\u011f\u0131rl\u0131\u011f\u0131n\u0131 se\u00e7in. Daha kal\u0131n kartlar, e\u015fit \u0131s\u0131tma i\u00e7in daha y\u00fcksek \u00f6n \u0131s\u0131tma s\u0131cakl\u0131klar\u0131na ihtiya\u00e7 duyabilir.<\/p>\n<ul>\n<li>Y\u00fcksek \u0131s\u0131 tolerans\u0131na sahip par\u00e7alar\u0131 se\u00e7in.<\/li>\n<li>Hassas par\u00e7alar\u0131 en s\u0131cak alanlardan uzak tutun.<\/li>\n<li><a href=\"https:\/\/www.allpcb.com\/blog\/pcb-knowledge\/wave-soldering-vs-reflow-for-double-sided-boards-choosing-the-right-process.html\">Program lehim nozulu hareketi<\/a> hassas par\u00e7alar\u0131n \u0131s\u0131nmas\u0131n\u0131 s\u0131n\u0131rlamak i\u00e7in.<\/li>\n<li>Her par\u00e7an\u0131n ihtiyac\u0131na g\u00f6re ak\u0131 kullan\u0131n ve \u00f6n \u0131s\u0131tma yap\u0131n.<\/li>\n<\/ul>\n<h3 id=\"commonmistakes\">S\u0131k Yap\u0131lan Hatalar<\/h3>\n<p>Bir\u00e7ok tasar\u0131mc\u0131, lehimleme s\u0131ras\u0131nda kart\u0131n zarar g\u00f6rmesine neden olabilecek hatalar yapar. Bu yayg\u0131n hatalardan ka\u00e7\u0131n\u0131n:<\/p>\n<ol>\n<li>Termal profilleme yap\u0131lmamas\u0131, bu da e\u015fit olmayan \u0131s\u0131nma ve so\u011fumaya neden olur.<\/li>\n<li>Is\u0131l \u00f6zellikleri zay\u0131f veya genle\u015fme oranlar\u0131 uyumsuz PCB malzemeleri se\u00e7mek.<\/li>\n<li>Par\u00e7alar\u0131 birbirine \u00e7ok yak\u0131n yerle\u015ftirmek, \u0131s\u0131y\u0131 hapseder ve s\u0131cak noktalar olu\u015fturur.<\/li>\n<li>Delikli par\u00e7alar i\u00e7in yanl\u0131\u015f delik boyutlar\u0131 kullan\u0131lmas\u0131, lehim ba\u011flant\u0131lar\u0131n\u0131 zay\u0131flat\u0131r.<\/li>\n<li>Ayar <a href=\"https:\/\/www.7pcb.com\/blog\/why-are-components-soldered-poorly-on-pcbs\">lehimleme s\u0131cakl\u0131klar\u0131 veya s\u00fcreleri \u00e7ok y\u00fcksek veya \u00e7ok d\u00fc\u015f\u00fck<\/a>, bu da ped hasar\u0131na veya so\u011fuk ba\u011flant\u0131lara neden olur.<\/li>\n<\/ol>\n<p>Termal sim\u00fclasyonlar ger\u00e7ekle\u015ftirerek, do\u011fru \u0131s\u0131tma profillerini kullanarak ve ekipman\u0131n\u0131z\u0131 iyi durumda tutarak bu sorunlar\u0131 \u00f6nleyebilirsiniz.<\/p>\n<p>S\u00fcreci yak\u0131ndan takip ederek ve PCB'nizi iyi tasarlayarak iyi bir se\u00e7ici dalga lehimleme elde edebilirsiniz. Sorunlar\u0131 h\u0131zl\u0131 bir \u015fekilde tespit etmek i\u00e7in ger\u00e7ek zamanl\u0131 izlemeyi kullan\u0131n. <a href=\"https:\/\/www.omron.com\/global\/en\/technology\/omrontechnics\/vol51\/019.html\">dalga y\u00fcksekli\u011fi, ak\u0131 ve s\u0131cakl\u0131k<\/a> do\u011fru aral\u0131kta olmal\u0131d\u0131r. Bu, hatalar\u0131 \u00f6nlemeye yard\u0131mc\u0131 olur ve lehim ba\u011flant\u0131lar\u0131n\u0131 sa\u011flamla\u015ft\u0131r\u0131r. <a href=\"https:\/\/www.linkedin.com\/pulse\/selective-soldering-pcb-technical-details-what-how-glcbc\">Kart\u0131n \u00f6n \u0131s\u0131t\u0131lmas\u0131<\/a> par\u00e7alar\u0131n korunmas\u0131na yard\u0131mc\u0131 olur. Azot kullanmak ve konvey\u00f6r h\u0131z\u0131n\u0131 do\u011fru ayarlamak da lehimlerin daha iyi yap\u0131\u015fmas\u0131na yard\u0131mc\u0131 olur. \u00d6nemli rakamlar\u0131 izleyin ve bir sorun g\u00f6r\u00fcrseniz ayarlar\u0131 h\u0131zl\u0131ca de\u011fi\u015ftirin.<\/p>\n<blockquote>\n<p>Bu ipu\u00e7lar\u0131n\u0131 takip ederseniz, daha az hata yapars\u0131n\u0131z., <a href=\"https:\/\/www.linkedin.com\/pulse\/wave-soldering-advantages-disadvantages-qnezc\">enerji tasarrufu<\/a>, ve tahtalar\u0131n\u0131z daha uzun s\u00fcre dayanacakt\u0131r.<\/p>\n<\/blockquote>\n<h2 id=\"faq\">SSS<\/h2>\n<h3 id=\"whatisthebestwaytopreventthermalshockduringselectivewavesoldering\">Se\u00e7ici dalga lehimleme s\u0131ras\u0131nda termal \u015foku \u00f6nlemenin en iyi yolu nedir?<\/h3>\n<p>PCB'nizi yava\u015f\u00e7a \u00f6nceden \u0131s\u0131tmal\u0131s\u0131n\u0131z. Bu, kart\u0131n ve par\u00e7alar\u0131n birlikte \u0131s\u0131nmas\u0131na yard\u0131mc\u0131 olur. \u00d6n \u0131s\u0131tma, h\u0131zl\u0131 s\u0131cakl\u0131k de\u011fi\u015fikliklerinden kaynaklanan \u00e7atlaklar\u0131 veya kalkm\u0131\u015f pedleri \u00f6nler.<\/p>\n<h3 id=\"howdoyouchoosetherightfluxforselectivewavesoldering\">Se\u00e7ici dalga lehimleme i\u00e7in do\u011fru ak\u0131 nas\u0131l se\u00e7ilir?<\/h3>\n<p>Lehimleme s\u0131cakl\u0131\u011f\u0131n\u0131z ve kart\u0131n\u0131zla uyumlu bir ak\u0131 se\u00e7in. Etkinlik seviyesi ve kat\u0131 madde i\u00e7eri\u011fine bak\u0131n. Do\u011fru ak\u0131, lehim ak\u0131\u015f\u0131n\u0131 kolayla\u015ft\u0131r\u0131r ve hassas par\u00e7alar \u00fczerindeki termal stresi azalt\u0131r.<\/p>\n<h3 id=\"whydoesdwelltimematterinselectivewavesoldering\">Se\u00e7ici dalga lehimlemede bekleme s\u00fcresi neden \u00f6nemlidir?<\/h3>\n<p>Bekleme s\u00fcresi, kart\u0131n\u0131z\u0131n lehim dalgas\u0131na temas etti\u011fi s\u00fcreyi ifade eder. \u00c7ok uzun s\u00fcre temas, a\u015f\u0131r\u0131 \u0131s\u0131nmaya neden olur ve par\u00e7alara zarar verebilir. \u00c7ok k\u0131sa s\u00fcre ise zay\u0131f lehim ba\u011flant\u0131lar\u0131 olu\u015fturur. Kart\u0131n\u0131z i\u00e7in en uygun s\u00fcreyi bulman\u0131z gerekir.<\/p>\n<h3 id=\"canyouuseselectivewavesolderingforallpcbtypes\">T\u00fcm PCB t\u00fcrleri i\u00e7in se\u00e7ici dalga lehimleme kullanabilir misiniz?<\/h3>\n<p>Kullanabilirsiniz <a href=\"https:\/\/www.chuxin-smt.com\/tr\/faq\/\">se\u00e7i\u0307ci\u0307 dalga lehi\u0307mleme<\/a> \u00c7o\u011fu delikli ve kar\u0131\u015f\u0131k kartlar i\u00e7in. \u00c7ok s\u0131k\u0131\u015f\u0131k veya \u0131s\u0131ya duyarl\u0131 kartlar ekstra \u00f6zen gerektirir. Her zaman par\u00e7a \u00f6zelliklerini kontrol edin ve \u00f6nce termal profil olu\u015fturun.<\/p>","protected":false},"excerpt":{"rendered":"<p>Minimize thermal stress in selective wave soldering by optimizing preheating, temperature control, and dwell time for reliable PCB assembly.<\/p>","protected":false},"author":1,"featured_media":2665,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[1,52],"tags":[87,84,64,68,83],"class_list":["post-2666","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news","category-product-information","tag-selective-wave-soldering","tag-solder-equipment","tag-soldering-process","tag-wave-solder-machine","tag-welding-equipment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/posts\/2666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/comments?post=2666"}],"version-history":[{"count":0,"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/posts\/2666\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/media\/2665"}],"wp:attachment":[{"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/media?parent=2666"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/categories?post=2666"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/tr\/wp-json\/wp\/v2\/tags?post=2666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}