{"id":3160,"date":"2018-12-19T02:02:44","date_gmt":"2018-12-19T02:02:44","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3160"},"modified":"2020-05-06T07:21:24","modified_gmt":"2020-05-06T07:21:24","slug":"how-to-deal-with-the-chipping-of-cast-irons-machining","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/how-to-deal-with-the-chipping-of-cast-irons-machining\/","title":{"rendered":"D\u00f6kme demir i\u015fleme ile nas\u0131l ba\u015fa \u00e7\u0131k\u0131l\u0131r?"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\n<p><strong>1. gri demir i\u015fleme \u00f6zellikleri<\/strong><\/p>\n\n\n\n<p>Gri d\u00f6kme demir, k\u0131r\u0131lganl\u0131k ve d\u00fc\u015f\u00fck gerilme mukavemeti \u00f6zelliklerine sahiptir (d\u00f6kme demir yap\u0131s\u0131, grafit g\u00f6zenekleri ile dolu demir-karbon ala\u015f\u0131ml\u0131 yap\u0131 olarak kabul edilebilir. Yaprak grafitin varl\u0131\u011f\u0131, d\u00f6kme demirin s\u00fcnekli\u011fini ve toklu\u011funu azalt\u0131r) ve tipik bir k\u0131r\u0131lgan malzemedir. .<\/p>\n\n\n\n<p>Gri d\u00f6kme demirdeki pul grafitin grafit bo\u015fluk yap\u0131s\u0131 keskin kenarl\u0131 \u00e7atlaklar olu\u015fturmak kolayd\u0131r. Kesme s\u0131ras\u0131nda, aletin kesme kuvvetinin etkisi alt\u0131nda, \u00e7atlak minimum diren\u00e7 y\u00f6n\u00fc boyunca geli\u015fir ve bu da tala\u015f\u0131n k\u0131r\u0131lmas\u0131na ve k\u0131r\u0131lmas\u0131na neden olur. Bu nedenle, gri d\u00f6kme demir, kesme i\u015flemi s\u0131ras\u0131nda k\u0131r\u0131labilir tala\u015fl\u0131 yongalar olu\u015fturur. Ayn\u0131 zamanda, tak\u0131m gri d\u00f6kme demirin i\u015flenmesi s\u0131ras\u0131nda aral\u0131kl\u0131 kesme \u00e7al\u0131\u015fma durumundad\u0131r. Taban g\u00f6vdesindeki grafit kesildi\u011finde, tak\u0131m bo\u015f durumdad\u0131r ve metal kesilir. Taban g\u00f6vdesi durumunda, aletin kesme hareketi meydana gelir ve alet s\u00fcrekli olarak kesilir ve kesilir, bu da aletin kesme kenar\u0131 yak\u0131n\u0131ndaki y\u00fcksek frekansl\u0131 \u00e7ekme ve s\u0131k\u0131\u015ft\u0131rma gerilme d\u00f6ng\u00fclerine neden olur. Alternatif y\u00fck, aletin y\u00fczey katman\u0131n\u0131n yorulmas\u0131na neden olur ve kesme kenar\u0131nda hafif tala\u015flanmaya neden olarak aletin kesme performans\u0131n\u0131 azalt\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/image-5.png\" alt=\"\" class=\"wp-image-3166\" title=\"\"><\/figure>\n\n\n\n<p>Kesme i\u015flemi s\u0131ras\u0131nda, kesilmi\u015f gri d\u00f6kme demir yap\u0131 genellikle d\u00fczensiz bir \u015fekilde k\u0131r\u0131larak kesme kuvvetinde dengesiz bir de\u011fi\u015fikli\u011fe ve kesme kenar\u0131 \u00fczerinde b\u00fcy\u00fck bir etkiye neden olur. Gri d\u00f6kme demir kesildi\u011finde, tipik yonga yongalar\u0131 \u00fcretilir. Tala\u015f\u0131n deformasyon katsay\u0131s\u0131 k\u00fc\u00e7\u00fckt\u00fcr ve tala\u015f\u0131n temas uzunlu\u011fu son derece k\u0131sad\u0131r, b\u00f6ylece kesme kuvveti ve kesme \u0131s\u0131s\u0131 kesme kenar\u0131n\u0131n k\u00fc\u00e7\u00fck bir alan\u0131nda yo\u011funla\u015f\u0131r ve aletin termal \u015fok a\u015f\u0131nmas\u0131 vard\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/image.png\" alt=\"\" class=\"wp-image-3161\" title=\"\"><figcaption><br><\/figcaption><\/figure>\n\n\n\n<p>Gri d\u00f6kme demiri keserken kesici taraf\u0131ndan \u00fcretilen yonga d\u00f6k\u00fcnt\u00fcleri ve d\u00fc\u015fen karb\u00fcr sert lekeler genellikle i\u015f par\u00e7as\u0131n\u0131n ve arka b\u0131\u00e7a\u011f\u0131n y\u00fczeyine ta\u015flayarak yan VB a\u015f\u0131nd\u0131r\u0131c\u0131s\u0131n\u0131n a\u015f\u0131nmas\u0131na neden olur; yan y\u00fcz a\u015f\u0131nd\u0131ktan sonra kesme s\u0131cakl\u0131\u011f\u0131 a\u00e7\u0131k\u00e7a artt\u0131r\u0131l\u0131r, \u0130nce yontma ve yontma kolayca yontma aray\u00fcz\u00fcne girer. Y\u00fcksek s\u0131cakl\u0131k ve y\u00fcksek bas\u0131n\u00e7 alt\u0131nda, tala\u015f i\u00e7indeki demir eleman ve aletin y\u00fczeyi ve tak\u0131m y\u00fczeyi, tala\u015f yumu\u015far ve tak\u0131m y\u00fczeyine yap\u0131\u015f\u0131rken, dif\u00fczyon a\u015f\u0131nmas\u0131 ile sonu\u00e7lanan sonsuz bir yedek kat\u0131 \u00e7\u00f6zelti olu\u015fturur. A\u015f\u0131nma y\u00fczeyi, ba\u011f a\u015f\u0131nmas\u0131na neden olan d\u00fczg\u00fcn bir yap\u0131\u015fma tabakas\u0131 olu\u015fturur. Kesme aletinin kenar\u0131 a\u015f\u0131nd\u0131\u011f\u0131nda veya yontulduktan sonra, kesme kuvveti keskin bir \u015fekilde artar, i\u015f par\u00e7as\u0131n\u0131n y\u00fczey kalitesi \u00f6nemli \u00f6l\u00e7\u00fcde azal\u0131r ve kenar k\u0131r\u0131lmas\u0131 veya \u00e7\u00f6kmesi e\u011filimi g\u00f6sterir;<\/p>\n\n\n\n<p><strong>2. ana kesme a\u00e7\u0131lar\u0131n\u0131n etkisi<\/strong><\/p>\n\n\n\n<p>Ana kesme a\u00e7\u0131lar\u0131n\u0131n 90 derece, i\u015flenecek par\u00e7an\u0131n malzemesinin daha ince k\u0131sm\u0131na besleme kuvvetini radyal olarak getirecektir;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/image-2.png\" alt=\"\" class=\"wp-image-3163\" title=\"\"><\/figure>\n\n\n\n<p>45 derece ana kesme a\u00e7\u0131s\u0131 kuvveti daha geni\u015f taban taraf\u0131ndan desteklenen malzemeye y\u00f6nlendirecektir;<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/image-6.png\" alt=\"\" class=\"wp-image-3167\" title=\"\"><\/figure>\n\n\n\n<p>Besleme kuvveti malzeme g\u00fcc\u00fcn\u00fc a\u015ft\u0131\u011f\u0131nda bo\u015fluklar ve \u00e7apaklar olu\u015fur. D\u00f6kme demir gibi k\u0131r\u0131lgan malzemelerin bo\u015fluklar\u0131 olurken, daha sert i\u015f par\u00e7as\u0131 malzemelerinin \u00e7apaklar\u0131 vard\u0131r. Daha sert i\u015f par\u00e7as\u0131 malzemelerinde genellikle \u00e7apaklar bulunur. Besleme kuvvetini i\u015f par\u00e7as\u0131 malzemesinin daha sert k\u0131sm\u0131na y\u00f6nlendirir. Bu, i\u015f par\u00e7as\u0131 \u00e7entikleri veya \u00e7apaklar\u0131n\u0131n olu\u015fumunu azalt\u0131r veya ortadan kald\u0131r\u0131r.<\/p>\n\n\n\n<p><strong>3.Farkl\u0131 kesme kenar\u0131 oluklar\u0131n\u0131n etkisi<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/image-3.png\" alt=\"\" class=\"wp-image-3164\" title=\"\"><\/figure>\n\n\n\n<p>Keskin bir yivli b\u0131\u00e7ak kullan\u0131lmas\u0131, kesme kuvvetini etkili bir \u015fekilde azaltabilir ve yontma olu\u015fumunu azaltabilir. \u015eu anda, fz b\u0131\u00e7a\u011f\u0131n ortalama tala\u015f kal\u0131nl\u0131\u011f\u0131 ile s\u0131n\u0131rl\u0131d\u0131r. Kaba \u00e7al\u0131\u015fma s\u0131ras\u0131nda, \u00e7al\u0131\u015fma durumunda, iyi mukavemetli fakat keskin kenarl\u0131 (kesme olu\u011fu \u015fekli, b\u00fcy\u00fck \u00f6n a\u00e7\u0131, keskin ama g\u00fc\u00e7l\u00fc mukavemetli b\u0131\u00e7ak tipi (daha k\u00fc\u00e7\u00fck b\u0131\u00e7ak geni\u015fli\u011fi T)) bir b\u0131\u00e7ak tipi se\u00e7meye \u00e7al\u0131\u015f\u0131n. b\u00fcy\u00fck fz (0,2&#039;den fazla) kullan\u0131l\u0131rsa, \u00f6zellikle tak\u0131m i\u015f par\u00e7as\u0131n\u0131 kesip kesti\u011finde yongalanma fenomeni artacakt\u0131r.K b\u0131\u00e7ak 0,3&#039;ten fazla a\u015f\u0131nd\u0131ktan sonra, bu fenomen de ayn\u0131 olacakt\u0131r.<\/p>\n\n\n\n<p><strong>4. farkl\u0131 malzemelerin etkisi<\/strong><\/p>\n\n\n\n<p>Fiziksel buhar biriktirme (PVD), kaplama uygulamalar\u0131 daha incedir ve nispeten keskin kesme kenarlar\u0131 i\u00e7in uygundur. Kaplama, kayganl\u0131\u011f\u0131 artt\u0131r\u0131r ve tak\u0131m ile i\u015f par\u00e7as\u0131 aras\u0131nda \u00fcretilen kesme kuvvetlerinin azalt\u0131lmas\u0131na yard\u0131mc\u0131 olarak kesmeyi nispeten daha hafif yapar. \u00d6zellikle finisaj s\u0131ras\u0131nda kenar \u00e7\u00f6kmesi fenomeni i\u00e7in b\u00fcy\u00fck bir geli\u015fme olacakt\u0131r.<\/p>\n\n\n\n<p><strong>5. di\u011fer fakt\u00f6rler<\/strong><br>Mevcut i\u015fleme pazar\u0131nda, d\u00f6kme demir malzemelerin i\u015flenmesi i\u00e7in, ger\u00e7ek i\u015fleme sonu\u00e7lar\u0131ndan, s\u00fcnek demir malzemelerin (esas olarak \u00e7apaklar) tak\u0131m \u00f6mr\u00fc (QT450&#039;nin alt\u0131nda) gri demirden (esas olarak i\u015f par\u00e7as\u0131 yontma) daha iyidir. \u0130\u015f par\u00e7as\u0131 yontma ve \u00e7apaklar tak\u0131m de\u011fi\u015fiminde b\u00fcy\u00fck bir fakt\u00f6re yol a\u00e7ar. S\u0131kl\u0131kla kulland\u0131\u011f\u0131m\u0131z 45 derecelik kur\u015fun a\u00e7\u0131s\u0131na ek olarak, her di\u015f i\u00e7in nispeten k\u00fc\u00e7\u00fck olan keskin oluk tipi b\u0131\u00e7ak kullan\u0131l\u0131r. Ayr\u0131ca, i\u015f par\u00e7as\u0131n\u0131n kendisinin s\u0131kma sertli\u011fini g\u00fc\u00e7lendirir (zay\u0131f par\u00e7alara yard\u0131mc\u0131 destek ekler) ve ayr\u0131ca aletin konumunu de\u011fi\u015ftirebilir ve bu \u015fekilde devam eder.<\/p>\n<\/div><!-- .vgblk-rw-wrapper -->","protected":false},"excerpt":{"rendered":"<p>1.Processing characteristics of gray iron Gray cast iron has the characteristics of brittleness and low tensile strength (cast iron structure can be regarded as iron-carbon alloy structure filled with graphite pores. The presence of flake graphite reduces the ductility and toughness of cast iron) and is a typical brittle material. The graphite cavity structure of&#8230;<\/p>","protected":false},"author":2,"featured_media":19381,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[92],"tags":[],"jetpack_featured_media_url":"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2018\/12\/1-1.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3160"}],"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=3160"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3160\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media\/19381"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=3160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=3160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=3160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}