{"id":21676,"date":"2023-02-22T10:17:26","date_gmt":"2023-02-22T02:17:26","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=21676"},"modified":"2023-02-22T10:18:38","modified_gmt":"2023-02-22T02:18:38","slug":"improve-carbide-micro-drill","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/improve-carbide-micro-drill\/","title":{"rendered":"PCB \u00fczerinde karb\u00fcr mikro matkab\u0131n 5 Yayg\u0131n \u0130\u015fleme Kalitesi Sorunlar\u0131?"},"content":{"rendered":"
CNC delme makineleri ve karb\u00fcr mikro delmek<\/a>PCB devre kartlar\u0131n\u0131 i\u015flemek i\u00e7in her zaman ana ekipman olmu\u015ftur. B\u00fcy\u00fck miktarda PCB i\u015fleme g\u00f6revi, tamamlanmas\u0131 i\u00e7in hala CNC frezeleme ve delme i\u015flemlerine dayanmaktad\u0131r. Elektronik \u00fcr\u00fcnlerin bir alt sistemi olan PCB devre kartlar\u0131, \u00e7ekirdek mod\u00fcl birimi olarak rol oynar. Modern y\u00fcksek performansl\u0131 elektronik \u00fcr\u00fcnlerin PCB'ler i\u00e7in giderek daha y\u00fcksek gereksinimleri vard\u0131r, bu da karb\u00fcr mikro matkap i\u00e7in hassasiyet gereksinimlerinin giderek daha y\u00fcksek hale geldi\u011fi anlam\u0131na gelir.<\/p>\n

 <\/p>\n

Ortak PCB substrat\u0131 bak\u0131r laminatlar, yal\u0131t\u0131m malzemesi ve bak\u0131r folyonun yap\u0131\u015ft\u0131r\u0131c\u0131 ve s\u0131cak presleme kullan\u0131larak, bask\u0131 plakas\u0131 takviye malzemesi olarak kullan\u0131lan epoksi cam elyaf kuma\u015f levha ile yap\u0131\u015ft\u0131r\u0131lmas\u0131yla yap\u0131l\u0131r. Levha sertle\u015fmemi\u015f re\u00e7ine i\u00e7erir ve i\u015fleme s\u0131ras\u0131nda mekanik s\u00fcrt\u00fcnmeden kaynaklanan \u0131s\u0131 sertle\u015fmemi\u015f re\u00e7ineyi yumu\u015fatarak s\u00fcrt\u00fcnme direncini art\u0131r\u0131r, kesme aletlerini k\u0131rar ve i\u015fleme kalitesini etkileyen \u00e7amur \u00fcretir. Bu, PCB kartlar\u0131n\u0131n mekanik i\u015fleme performans\u0131n\u0131 nispeten zay\u0131f hale getirir.<\/p>\n

Bu makale, a\u011f\u0131rl\u0131kl\u0131 olarak, \u015firketimiz taraf\u0131ndan \u00c7in'de \u00fcretilen karb\u00fcr matkaplar\u0131n ve yurtd\u0131\u015f\u0131ndaki benzer \u00fcnl\u00fc karb\u00fcr matkaplar\u0131n PCB panolar\u0131n\u0131 i\u015flerken kesme performanslar\u0131n\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131r ve inceler.<\/p>\n

 <\/p>\n

Test Ko\u015fullar\u0131<\/h1>\n

Test, PCB kartlar\u0131nda delik a\u00e7mak i\u00e7in ayn\u0131 \u00f6zelliklere sahip ancak farkl\u0131 \u00fcreticilerin matkaplar\u0131n\u0131 se\u00e7ti. Se\u00e7ilen ara\u00e7 \u00f6zellikleri Tablo 1'de g\u00f6sterilmektedir.<\/p>\n

\"karb\u00fcr<\/p>\n

Deneysel hatalar\u0131n etkisini azaltmak i\u00e7in, sondaj deneyleri i\u00e7in iki \u015firketten d\u00f6rt tak\u0131m se\u00e7ildi. Kesilen malzeme 1,2 mm kal\u0131nl\u0131\u011f\u0131nda \u00e7ift katmanl\u0131 bir bak\u0131r PCB'dir ve i\u015f par\u00e7as\u0131n\u0131n alt\u0131na 2,5 mm kal\u0131nl\u0131\u011f\u0131nda bir karton yerle\u015ftirilmi\u015ftir.<\/p>\n

\u0130\u015fleme s\u0131ras\u0131nda, iki \u015firketin tak\u0131mlar\u0131n\u0131n kesme performans\u0131, i\u015flenmi\u015f PCB kart\u0131n\u0131n p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc ve tala\u015f kald\u0131rmas\u0131 ile tak\u0131m \u00f6mr\u00fcn\u00fcn kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131 yoluyla kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131.<\/p>\n

 <\/p>\n

 <\/p>\n

Deneysel veri<\/h1>\n

PCB \u0130\u015fleme Kalitesini Test Edin<\/h2>\n

The machining quality of the PCB boards observed after cutting with 8 different drill bits is shown in Table 2. It can be seen that the 4 drill bits from Meetyou company can generally achieve good machining results, except for the fourth bit which caused sawtooth-like defects on the PCB board. In comparison, two of the foreign company’s drill bits caused corrugated defects and sawtooth-like defects on the PCB board. The surface roughness of the PCB board after machining can also indicate that the micro drill from Meetyou company have better surface roughness during the machining process, while the drill bits from the foreign company have poorer surface roughness on the PCB board after machining. However, compared with the drill bits from Meetyou company, the chip removal effect of the drill bits from the foreign company is not as good.<\/p>\n

\"\"<\/p>\n

PCB Carbide micro drill’s service life<\/h2>\n

The average service life of 8 drill bits from Company 2 can be seen from Figure 3. It can be seen that the service life of Meetyou Company’s drill bits is about 40% higher than that of the drill bits from a foreign company.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

From Table 4, it can be seen that the lifespan values of the eight drills from the two companies are in a discrete distribution, with almost 40% difference in the lifespan of the same company’s drills. This shows that even though Meetyou’s drills have better quality, from the experiment we can see that there is still much room for improvement in the tungsten carbide micro drills of both companies.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

The experimental results showed that the surface roughness and tool life of the PCB board processed by Meetyou’s drill bit were better than those of the foreign company, but the tool life of both companies was not consistent. The photographs of the tools after processing showed that the main forms of tool wear were caused by the generation of abrasive particles and surface oxidation wear.<\/p>\n

 <\/p>\n

PCB Devre Kartlar\u0131nda Karb\u00fcr Mikro Matkaptan Kaynaklanan Sorunlar<\/h1>\n

Delme s\u00fcrecini ve tala\u015f kald\u0131rma durumunu g\u00f6zlemlemek i\u00e7in y\u00fcksek h\u0131zl\u0131 foto\u011fraf\u00e7\u0131l\u0131k, delme morfolojisini g\u00f6zlemlemek i\u00e7in taramal\u0131 elektron mikroskobu ve delme s\u00fcrecini kapsaml\u0131 bir \u015fekilde sim\u00fcle etmek i\u00e7in Deform ve AdvantEdge FEM gibi yaz\u0131l\u0131mlar kullan\u0131larak, delme i\u015fleminin PCB'nin devre kartlar\u0131 sadece delme delikleri de\u011fil, geleneksel bir metal kesme i\u015flemidir. Konik spiral tala\u015flar olu\u015fturacak ve bak\u0131r tala\u015flar, bo\u015faltma i\u015flemi s\u0131ras\u0131nda yer\u00e7ekimi etkisi alt\u0131nda b\u00fck\u00fclecek ve k\u0131r\u0131lacak ve son olarak, \u015eekil 1'de g\u00f6sterildi\u011fi gibi mikro matkab\u0131n y\u00fcksek h\u0131zl\u0131 d\u00f6n\u00fc\u015f\u00fc ile d\u0131\u015far\u0131 at\u0131lacakt\u0131r. 1.<\/p>\n

Epoksi re\u00e7ine cam elyaf kuma\u015f yongalar\u0131 beyaz toz halinde bo\u015falt\u0131l\u0131r. Tala\u015flardaki re\u00e7ine \u0131s\u0131tma ko\u015fullar\u0131 alt\u0131nda kolayca yumu\u015fat\u0131l\u0131r ve cam elyaf\u0131 tala\u015flar\u0131, \u015eekil 1'de g\u00f6sterildi\u011fi gibi kar\u0131\u015f\u0131k tala\u015flar olu\u015fturmak \u00fczere birbirine yap\u0131\u015ft\u0131r\u0131l\u0131r. 2. Bu t\u00fcr kar\u0131\u015f\u0131k tala\u015flar\u0131n delik duvar\u0131na yap\u0131\u015fmas\u0131 ve delme kiri olu\u015fturmas\u0131 kolayd\u0131r, bu da matkap ucuna yap\u0131\u015f\u0131r ve bir sonraki delme ad\u0131m\u0131n\u0131 etkiler ve hatta tala\u015f\u0131n \u00e7\u0131kar\u0131lmas\u0131n\u0131 engellemek i\u00e7in spiral oluk y\u00fczeyine yap\u0131\u015fabilir. Bak\u0131r folyo ve epoksi cam elyaf kuma\u015f i\u00e7in mikro delme delme modelleri \u015eekil 3'te g\u00f6sterilmi\u015ftir.<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

 <\/p>\n

PCB'de delme sorunlar\u0131na neden olacak neden analizi<\/h1>\n

delme kuvveti<\/h2>\n

Epoksi cam elyaf kuma\u015f\u0131n mikro matkaplarla delinmesi s\u0131ras\u0131nda delme kuvveti, mikro matkaplar\u0131n k\u00fc\u00e7\u00fck boyutundan dolay\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde dalgalanm\u0131\u015ft\u0131r. Cam elyaflar\u0131 delerken, mikro matkap ayn\u0131 anda sadece birka\u00e7 cam elyaf\u0131 deldi\u011finden, cam elyaflar\u0131n\u0131n k\u0131r\u0131lmas\u0131yla birlikte eksenel delme kuvveti keskin bir \u015fekilde azald\u0131. Eksenel kuvvet ve tork, artan h\u0131z ile azald\u0131, ancak ilerleme h\u0131z\u0131 ve \u00e7ekirdek kal\u0131nl\u0131\u011f\u0131 artt\u0131k\u00e7a artt\u0131. Helis a\u00e7\u0131s\u0131ndaki art\u0131\u015fla eksenel kuvvet artarken tork azal\u0131r. 0,1 mm \u00e7ap\u0131nda bir mikro matkab\u0131n tipik delme i\u015flemi \u015eekil 4'te g\u00f6sterilmektedir.<\/p>\n

\"\"<\/p>\n

delme s\u0131cakl\u0131\u011f\u0131<\/h2>\n

Bir PCB'nin mikro matkaplarla delindi\u011fi andaki s\u0131cakl\u0131k, bir k\u0131z\u0131l\u00f6tesi termal g\u00f6r\u00fcnt\u00fcleyici kullan\u0131larak \u00f6l\u00e7\u00fcld\u00fc ve kapsaml\u0131 bir \u015fekilde sim\u00fcle edildi. Sonu\u00e7lar, mikro matkaplarla delme an\u0131nda delme s\u0131cakl\u0131\u011f\u0131n\u0131n tipik olarak 80\u00b0C'nin alt\u0131nda oldu\u011funu g\u00f6sterdi. Delme s\u0131cakl\u0131\u011f\u0131, ilerleme h\u0131z\u0131 ve mil h\u0131z\u0131ndaki art\u0131\u015fla azald\u0131, ancak matkap deliklerinin say\u0131s\u0131ndaki ve mikro matkab\u0131n \u00e7ap\u0131ndaki art\u0131\u015fla artt\u0131. K\u0131z\u0131l\u00f6tesi termal kamera taraf\u0131ndan \u00f6l\u00e7\u00fclen delme s\u0131cakl\u0131\u011f\u0131 \u015eekil 5'te g\u00f6sterilmi\u015ftir.<\/p>\n

\"\"<\/p>\n

Matkap ucu a\u015f\u0131nmas\u0131<\/h2>\n

Mikro matkap a\u015f\u0131nmas\u0131n\u0131n morfolojisi, \u015eekil 6'da g\u00f6sterildi\u011fi gibi, taramal\u0131 elektron mikroskobu arac\u0131l\u0131\u011f\u0131yla g\u00f6zlemlendi. Mikro matkaplar\u0131n a\u015f\u0131nma \u00f6zellikleri, esas olarak abrasif a\u015f\u0131nma ve yap\u0131\u015fkan a\u015f\u0131nmad\u0131r. A\u015f\u0131nd\u0131r\u0131c\u0131 a\u015f\u0131nma esas olarak enine kenarda ve ana kesici kenarda meydana gelir ve mikro matkaplar\u0131n hizmet \u00f6mr\u00fcn\u00fc etkiler. PCB'lerdeki cam lifleri ve dolgu maddeleri, mikro matkaplardaki a\u015f\u0131nman\u0131n ana nedenidir. \u015eekil 7'de g\u00f6sterildi\u011fi gibi, mikro matkaplar\u0131n matkap ucu ve helis yivi y\u00fczeyinde re\u00e7ine kar\u0131\u015f\u0131ml\u0131 tala\u015f yap\u0131\u015fma a\u015f\u0131nmas\u0131 meydana gelir ve bu, mikro matkaplar\u0131n kesme performans\u0131n\u0131 ve tala\u015f kald\u0131rmay\u0131 etkiler, b\u00f6ylece delik i\u00e7indeki s\u0131cakl\u0131\u011f\u0131n birikmesine ve a\u011f\u0131rla\u015fmas\u0131na neden olur. mikro matkap a\u015f\u0131nmas\u0131.<\/p>\n

\"\"<\/p>\n

    \n
  1. D=0,1 mm,vf=150cm\/dak,n=295\/dak,vr=2300cm\/dak,2500delik.<\/li>\n
  2. D=0.2mm,vf=150cm\/dak,n=155\/dak,vr=1800cm\/dak,1500delik.<\/li>\n
  3. D=0.3mm,vf=240cm\/dak,n=145\/dak,vr=1800cm\/dak,1500 delik<\/li>\n<\/ol>\n

    K\u0131r\u0131k<\/h2>\n

    K\u0131r\u0131lman\u0131n, i\u015fleme s\u0131ras\u0131nda kesme i\u015flemine kat\u0131lan matkap ucunun yak\u0131n\u0131ndaki kenar\u0131n neden oldu\u011fu, cam elyaf\u0131n\u0131n s\u00fcrt\u00fcnmesi ve darbesiyle kolayca zarar g\u00f6rerek kesmenin normal \u015fekilde ilerlememesine neden oldu\u011fu bulundu. Mikro matkab\u0131n b\u00fck\u00fclmesi ve \u015fiddetli burulma, sonu\u00e7ta mikro matkab\u0131n k\u0131r\u0131lmas\u0131na yol a\u00e7ar. Deneysel ve sim\u00fclasyon sonu\u00e7lar\u0131, a\u015f\u0131r\u0131 burulma y\u00fck\u00fcn\u00fcn mikro matkap k\u0131r\u0131lmas\u0131n\u0131n ana nedeni oldu\u011funu ve mikro matkab\u0131n k\u0131r\u0131lma noktas\u0131n\u0131n, mikro matkap spiral olu\u011funun k\u00f6k\u00fcnde, \u00fcst k\u0131s\u0131mdan belirli bir mesafede bulundu\u011funu g\u00f6stermektedir. delmek.<\/p>\n

    Karb\u00fcr mikro matkab\u0131n PCB i\u00e7in delme kalitesinin sonucu.<\/h1>\n

    \u00d6zetle, mikro delik kesitleri taramal\u0131 elektron mikroskobu alt\u0131nda incelenerek, mikro delik y\u00fczeyinde giri\u015f ve \u00e7\u0131k\u0131\u015f \u00e7apak problemlerinin yan\u0131 s\u0131ra giri\u015f yuvarlakl\u0131k hatas\u0131, giri\u015f boyut hatas\u0131, \u00e7apak ve delik konum do\u011frulu\u011fu tespit edilmi\u015ftir. ve delik duvar\u0131n\u0131n p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc. Mikro matkaplar\u0131n \u00e7apaklar\u0131 ve kenarlar\u0131 esas olarak mikro matkap a\u015f\u0131nmas\u0131ndan kaynaklan\u0131r. Mikro delikli duvar\u0131n p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc esas olarak, epoksi cam elyaf tabakas\u0131ndaki \u00e7ok say\u0131da cam elyaf\u0131n k\u0131r\u0131lmas\u0131 ve d\u00f6k\u00fclmesinden kaynaklan\u0131r. Delik konumu do\u011frulu\u011fu temel olarak i\u015f mili titre\u015fim \u00f6zellikleri, matkap \u00e7ap\u0131 ve matkap a\u015f\u0131nmas\u0131 ile ilgilidir. Besleme h\u0131z\u0131n\u0131n d\u00fc\u015f\u00fcr\u00fclmesi ve d\u00f6n\u00fc\u015f h\u0131z\u0131n\u0131n art\u0131r\u0131lmas\u0131, belirli say\u0131da delme deli\u011fi i\u00e7inde PCB'lerdeki mikro deliklerin kalitesini iyile\u015ftirebilir. Mikro delik kalitesini iyile\u015ftirmenin en temel y\u00f6ntemi, mikro matkaplar\u0131n a\u015f\u0131nma direncini art\u0131rmak i\u00e7in mikro matkaplar ile PCB'ler aras\u0131ndaki temas alan\u0131n\u0131 azaltmakt\u0131r.<\/p><\/div>\n

    <\/p>","protected":false},"excerpt":{"rendered":"

    CNC drilling machines and carbide micro drills have always been the mainstream equipment for processing PCB circuit boards. A large amount of PCB processing tasks still rely on CNC milling and drilling to complete. As a subsystem of electronic products, PCB circuit boards play a role as a core module unit. Modern high-performance electronic products…<\/p>","protected":false},"author":2,"featured_media":21685,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-21676","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2023\/02\/\u56fe\u72477.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/21676","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/comments?post=21676"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/21676\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media\/21685"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=21676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=21676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=21676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}