{"id":3872,"date":"2019-11-12T06:28:57","date_gmt":"2019-11-12T06:28:57","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3872"},"modified":"2020-05-06T02:52:12","modified_gmt":"2020-05-06T02:52:12","slug":"technical-analysis-of-micro-milling-on-carbide-material-by-pcd-cutters","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/mikro-freze-uzerinde-karbur-malzeme-pcd-kesiciler-teknik-analizi\/","title":{"rendered":"PCD Kesiciler ile Karb\u00fcr Malzemede Mikro Frezeleme Teknik Analizi"},"content":{"rendered":"
\n

Semente karb\u00fcr, y\u00fcksek sertli\u011fe, iyi a\u015f\u0131nma direncine, korozyon direncine ve k\u00fc\u00e7\u00fck bir termal genle\u015fme katsay\u0131s\u0131na sahiptir. Optik cam \u015fekillendirme, metal \u00e7ekme ve a\u015f\u0131nmaya dayan\u0131kl\u0131 ve korozyona dayan\u0131kl\u0131 par\u00e7alar gibi hassas kal\u0131plar\u0131n imalat\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r. \u00c7imentolu karb\u00fcr kal\u0131p, \u00e7elik kal\u0131b\u0131n on kat\u0131ndan, hatta y\u00fczlerce kat\u0131ndan daha uzun bir hizmet \u00f6mr\u00fcne sahip olmakla kalmaz, ayn\u0131 zamanda \u00e7ok y\u00fcksek bir y\u00fczey kalitesine sahiptir. Cam mercek ve enjeksiyon kal\u0131plaman\u0131n di\u011fer par\u00e7alar\u0131, optik y\u00fczey kalitesi gereksinimlerini kar\u015f\u0131layabilir.<\/p>\n\n\n\n

Semente karb\u00fcr, zay\u0131f i\u015flenebilirli\u011fi nedeniyle tipik olarak malzemeyi i\u015flemek zordur. Ta\u015flama ve EDM, semente karb\u00fcr kal\u0131b\u0131n en yayg\u0131n kullan\u0131lan i\u015fleme y\u00f6ntemlerinden ikisidir. CBN, elmas ve di\u011fer s\u00fcper sert tak\u0131mlar\u0131n g\u00f6r\u00fcn\u00fcm\u00fc ile giderek daha fazla dikkat \u00e7eken semente karb\u00fcr\u00fc do\u011frudan kesmek m\u00fcmk\u00fcnd\u00fcr. Yabanc\u0131 bilim adamlar\u0131 daha fazla ara\u015ft\u0131rma yapt\u0131. B. bulla ve ark. Elmas tornalamada i\u015fleme parametrelerinin semente karb\u00fcr\u00fcn y\u00fczey profili \u00fczerindeki etkisini analiz etti. Optimum i\u015fleme parametrelerini elde ettikten sonra, tak\u0131m geometrisinin y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc ve tak\u0131m a\u015f\u0131nmas\u0131 \u00fczerindeki etkisi daha fazla incelenmi\u015ftir. N. Suzuki ve ark. Semente karb\u00fcr \u00fczerinde elmas ultrasonik eliptik titre\u015fim tornalama deneyleri ger\u00e7ekle\u015ftirdi. Ultrasonik eliptik titre\u015fimli tornalaman\u0131n y\u00fczey kalitesinin normal tornalamaya g\u00f6re daha iyi oldu\u011fu ve tak\u0131m a\u015f\u0131nmas\u0131n\u0131n daha k\u00fc\u00e7\u00fck oldu\u011fu bulundu. Deneyler ile optik y\u00fczey kalitesine sahip mikro prizma ve k\u00fcresel lens gibi sert ala\u015f\u0131ml\u0131 kal\u0131plar da i\u015flenmi\u015ftir.<\/p>\n\n\n\n

Hassas, karma\u015f\u0131k ve uzun \u00f6m\u00fcrl\u00fc semente karb\u00fcr kal\u0131b\u0131 \u00fcretmek i\u00e7in ulusal kal\u0131b\u0131n \u00fcretim d\u00fczeyini \u00f6l\u00e7mek \u00f6nemli bir i\u015farettir. Mikro frezeleme teknolojisi, y\u00fcksek i\u015fleme verimlili\u011fi, \u00e7ok \u00e7e\u015fitli i\u015fleme malzemeleri, \u00fc\u00e7 boyutlu karma\u015f\u0131k \u015fekil i\u015fleme, y\u00fcksek y\u00fczey kalitesi vb. avantajlara sahiptir. Mikro kal\u0131plar\u0131n ve semente karb\u00fcr\u00fcn mikro par\u00e7alar\u0131n\u0131n i\u015flenmesi i\u00e7in \u00e7ok uygundur ve geni\u015f bir uygulama beklentisine sahiptir. Bu yaz\u0131da, semente karb\u00fcr\u00fcn mikro frezelenmesi i\u00e7in elmas kapl\u0131 tak\u0131mlar kullan\u0131lm\u0131\u015ft\u0131r. Kesme kuvveti, y\u00fczey kalitesi ve tak\u0131m a\u015f\u0131nmas\u0131 analiz edilir.<\/p>\n\n\n\n

PDC mikro frezelemenin test ekipman\u0131 ve deney program\u0131<\/strong><\/h2>\n\n\n\n

Kendi kendine yap\u0131lan y\u00fcksek hassasiyetli mikro freze tezgah\u0131 (bkz. \u015eekil 1) kullan\u0131l\u0131r. Tak\u0131m tezgah\u0131, k\u00fc\u00e7\u00fck ve mikro par\u00e7alar\u0131n mikro frezelenmesi i\u00e7in \u00f6zel olarak tasarlanm\u0131\u015ft\u0131r. Mermer yatak, besleme mekanizmas\u0131, y\u00fcksek h\u0131zl\u0131 hava y\u00fczd\u00fcrme mili, PMAC'a dayal\u0131 hareket kontrol sistemi vb.'den olu\u015fur. Mikro freze b\u0131\u00e7a\u011f\u0131n\u0131n k\u00fc\u00e7\u00fck \u00e7ap\u0131 nedeniyle, do\u011fru bir tak\u0131m ayar\u0131 elde etmek kolay de\u011fildir. Tak\u0131m tezgah\u0131, mikro frezeleme s\u00fcrecini \u00e7evrimi\u00e7i olarak izlemek i\u00e7in de kullan\u0131labilen bir mikroskop tak\u0131m ayar sistemi ile donat\u0131lm\u0131\u015ft\u0131r.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u015eekil 1 mikro freze makinesi<\/strong><\/strong><\/p>\n\n\n\n

Spiral kenarl\u0131 elmas kapl\u0131 mikro freze kullan\u0131n (bkz. \u015eekil 2a). Kesicinin temel malzemesi sert ala\u015f\u0131md\u0131r ve bir elmas film tabakas\u0131 kimyasal buhar biriktirme (CVD) ile kaplanm\u0131\u015ft\u0131r. Sap \u00e7ap\u0131 6 mm, b\u0131\u00e7ak \u00e7ap\u0131 1 mm, b\u0131\u00e7ak uzunlu\u011fu 2 mm, aletin \u00f6n a\u00e7\u0131s\u0131 2\u00b0, arka a\u00e7\u0131s\u0131 14\u00b0, spiral a\u00e7\u0131s\u0131 35\u00b0 dir. SEM yan g\u00f6r\u00fcn\u00fcm\u00fcnden \u00f6l\u00e7\u00fclen tak\u0131m ucu yay yar\u0131\u00e7ap\u0131 \u03b3 \u03b5 yakla\u015f\u0131k 11 \u03bcm'dir (bkz. \u015eekil 2b); SEM \u00fcst g\u00f6r\u00fcn\u00fcm\u00fcnden \u00f6l\u00e7\u00fclen tak\u0131m kenar\u0131 yay yar\u0131\u00e7ap\u0131 \u03b3 \u03b2 yakla\u015f\u0131k 8 \u03bcm'dir (bkz. \u015eekil 2C).<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(a) (b)<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(c)<\/p>\n\n\n\n

 \u015eekil 2 elmas kapl\u0131 mikro freze b\u0131\u00e7a\u011f\u0131<\/strong><\/strong><\/p>\n\n\n\n

Elmas kapl\u0131 tak\u0131mlar, farkl\u0131 i\u015fleme parametreleri alt\u0131nda d\u00fcz kanallar\u0131 frezelemek i\u00e7in kullan\u0131l\u0131r. Testten \u00f6nce, i\u015f par\u00e7as\u0131n\u0131n y\u00fczeyi parlat\u0131l\u0131r, ard\u0131ndan \u00f6l\u00e7\u00fcm aletine sabitlenir ve s\u0131k\u0131\u015ft\u0131r\u0131l\u0131r ve \u00f6rnekleme frekans\u0131 20kHz'dir. T\u00fcm testler kuru kesme ko\u015fullar\u0131 alt\u0131nda ger\u00e7ekle\u015ftirilir. Mikro frezeleme test parametreleri i\u00e7in Tablo 1'e bak\u0131n. Mil h\u0131z\u0131 n 20000r \/ dak'da sabitlenmi\u015ftir, freze derinli\u011fi AP 2 \u03bcm ve 4 \u03bcm'dir ve her di\u015fin besleme h\u0131z\u0131 FZ 0.3-1.5 \u03bc M'dir. Testten sonra, temizlemek i\u00e7in ultrasonik temizleme makinesi kullan\u0131ld\u0131. i\u015f par\u00e7as\u0131. Besleme y\u00f6n\u00fc boyunca i\u015flenmi\u015f y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcn\u00fc ve mikro profil e\u011frisini \u00f6l\u00e7mek i\u00e7in Mahr y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fck \u00f6l\u00e7er kullan\u0131ld\u0131. \u0130\u015flenmi\u015f y\u00fczey morfolojisi ve tak\u0131m a\u015f\u0131nma morfolojisi SEM ile g\u00f6zlemlendi.<\/p>\n\n\n\n

Test sonu\u00e7lar\u0131 ve analiz<\/strong> PCD mikro frezeleme<\/h2>\n\n\n\n

Frezeleme kuvveti sinyali, tak\u0131m a\u015f\u0131nma durumunu ve i\u015fleme y\u00fczeyi kalitesini ger\u00e7ek zamanl\u0131 olarak yans\u0131tabilen, frezeleme s\u00fcrecini izlemek i\u00e7in \u00f6nemli bir parametredir. Frezeleme i\u015fleminde, kesme kal\u0131nl\u0131\u011f\u0131 s\u00fcrekli olarak de\u011fi\u015fir, bu da s\u0131f\u0131rdan maksimuma y\u00fckselir ve ard\u0131ndan freze b\u0131\u00e7a\u011f\u0131n\u0131n d\u00f6n\u00fc\u015f\u00fc ile periyodik olarak s\u0131f\u0131ra d\u00fc\u015fer, bu da frezeleme kuvveti sinyalinin dalga \u00e7ukuru ve dalga zirvesi ile sonu\u00e7lan\u0131r. Frezeleme kuvveti sinyalinin dalga bi\u00e7iminden, i\u015fleme s\u00fcrecinde d\u00fczensiz kesme ve titre\u015fim gibi anormal davran\u0131\u015flar\u0131 g\u00f6zlemleyebiliriz.<\/p>\n\n\n\n

\u015eekil 3, Fx'in ana kesme kuvveti, Fy'nin besleme kuvveti ve Fz'nin eksenel kuvvet oldu\u011fu, testle \u00f6l\u00e7\u00fclen freze kuvveti sinyalinin bir dalga \u015fekli diyagram\u0131d\u0131r. Frezeleme kuvvetinin dalga bi\u00e7iminden, eksenel kuvvet Fz'nin genli\u011finin frezeleme i\u015fleminin \u00fc\u00e7 bile\u015feninde en b\u00fcy\u00fck oldu\u011fu, di\u011fer iki bile\u015fenden \u00e7ok daha b\u00fcy\u00fck oldu\u011fu ve ard\u0131ndan ana kesme kuvveti Fx ve minimum besleme kuvveti Fy oldu\u011fu g\u00f6r\u00fclebilir. Bunun nedeni, mikro frezelemedeki AP frezeleme derinli\u011finin \u00e7ok k\u00fc\u00e7\u00fck olmas\u0131d\u0131r, bu da mikro frezeleme tak\u0131m\u0131n\u0131n u\u00e7 yay\u0131n\u0131n \u03b3 \u03b5 yar\u0131\u00e7ap\u0131ndan \u00e7ok daha k\u00fc\u00e7\u00fckt\u00fcr. K\u00fc\u00e7\u00fck bir ana sapma a\u00e7\u0131s\u0131 ile kesmeye e\u015fde\u011fer olan ve b\u00fcy\u00fck bir eksenel frezeleme kuvveti bile\u015feni ile sonu\u00e7lanan kesme i\u015fleminde, u\u00e7 yay\u0131n\u0131n sadece k\u00fc\u00e7\u00fck bir k\u0131sm\u0131 fiilen yer al\u0131r.<\/p>\n\n\n\n

Frezeleme b\u0131\u00e7a\u011f\u0131n\u0131n her d\u00f6n\u00fc\u015f\u00fc i\u00e7in, iki simetrik kesici kenar, frezeleme kuvveti sinyal d\u00f6neminde iki dalga tepe noktas\u0131 g\u00f6steren kesme i\u015flemine art arda kat\u0131lacakt\u0131r. Osilogramdan, iki tepenin genliklerinin ayn\u0131 olmad\u0131\u011f\u0131 ve ilk yar\u0131 periyodunun genliklerinin a\u00e7\u0131k\u00e7a ikinci yar\u0131dan daha b\u00fcy\u00fck oldu\u011fu g\u00f6r\u00fclebilir. Bu, ger\u00e7ek frezeleme i\u015fleminde, \u00e7ift di\u015fli freze b\u0131\u00e7a\u011f\u0131n\u0131n iki kesme kenar\u0131n\u0131n kesme kal\u0131nl\u0131\u011f\u0131n\u0131n farkl\u0131 oldu\u011funu, bir kesme kenar\u0131n\u0131n daha fazla malzemeye sahip oldu\u011funu, di\u011fer kesme kenar\u0131n\u0131n daha az malzemeye sahip oldu\u011funu ve bu da d\u00fczensiz frezeleme olgusuna neden oldu\u011funu g\u00f6sterir. Ciddi d\u00fczg\u00fcn olmayan Frezeleme, frezeleme kuvvetinin dalgalanmas\u0131na neden olacak, mikro frezelemenin kararl\u0131l\u0131\u011f\u0131na elveri\u015fli olmayan i\u015fleme s\u00fcrecinde titre\u015fimi art\u0131racakt\u0131r.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u015eekil 3 mikro frezeleme kuvveti sinyal dalga bi\u00e7imi<\/p>\n\n\n\n

The milling forces under different micro milling parameters are recorded during \ufe63 test. The peak value of milling force corresponding to the maximum cutting thickness in the tool rotation cycle is taken as the test result, and the measurement results of X, y and Z components are shown in Figure 4. At the same milling depth, the milling force increases with the increase of the feed rate FZ of each tooth. The main cutting force Fx and the feed force Fy rise relatively gently. When the milling depth is ap=2 m and 4 m, the main cutting force Fx rises from 0.44N and 0.92N to 1.34N and 2.05N respectively, and the feed force Fy increases from the 1.34N and the second to the “Ho” and “the”; the axial force increases by a large amplitude, from the “Qi” and “the” to “the”. Similarly, the increase of milling depth will also lead to the increase of milling force. The axial force FZ in the three-way component is sensitive to the milling parameters. The reason is that the feed rate of each tooth FZ in micro milling is smaller than the edge arc radius \u03b3 \u03b2 of the micro milling cutter, which makes the contact area between the back face of the bottom edge of the micro milling cutter and the workpiece relatively large, and the friction force on the back face accounts for a large proportion in the milling force.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u015eekil 4 \u0130\u015fleme parametreleriyle de\u011fi\u015fen frezeleme kuvveti e\u011frisi<\/strong><\/strong><\/p>\n\n\n\n

Y\u00fczey kalitesi<\/strong> PCD mikro frezeleme<\/h2>\n\n\n\n

Semente karb\u00fcr bir t\u00fcr sert k\u0131r\u0131lgan malzemedir. Geleneksel kesmede, sert k\u0131r\u0131lgan malzeme genellikle gevrek k\u0131r\u0131lma \u015feklinde \u00e7\u0131kar\u0131l\u0131r, bu da i\u015flenmi\u015f y\u00fczeyde gevrek k\u0131r\u0131lma kusurlar\u0131na neden olur ve i\u015flenmi\u015f y\u00fczeyin kalitesini etkiler. Sonu\u00e7lar, kesme kal\u0131nl\u0131\u011f\u0131 belirli bir kritik de\u011ferden daha az olacak \u015fekilde i\u015fleme parametreleri kontrol edildi\u011finde, gevrek malzemenin de plastik deformasyona sahip olabilece\u011fini ve s\u00fcnek kesme ad\u0131 verilen p\u00fcr\u00fczs\u00fcz s\u00fcnek i\u015fleme y\u00fczeyinin elde edildi\u011fini g\u00f6stermektedir. \u015eekil 5, AP = 2 \u03bcm ve FZ = 1.2 \u03bc M'de mikro \u00f6\u011f\u00fct\u00fclm\u00fc\u015f semente karb\u00fcr\u00fcn y\u00fczey morfolojisini ve profil e\u011frisini g\u00f6stermektedir. \u015eekilden g\u00f6r\u00fclebilir ki, i\u015fleme y\u00fczeyi morfolojisi, net tak\u0131m ile esas olarak tak\u0131m geometrisinin yans\u0131mas\u0131d\u0131r. doku da\u011f\u0131t\u0131lm\u0131\u015f i\u015faretleyin. Kontur e\u011frisinden, tak\u0131m di\u015flerinin besleme tak\u0131m\u0131 i\u015fareti g\u00f6zlemlenebilir ve neredeyse hi\u00e7 gevrek ar\u0131za hatas\u0131 yoktur. Mikro frezelemede, ger\u00e7ek kesme kal\u0131nl\u0131\u011f\u0131 \u00e7ok k\u00fc\u00e7\u00fckt\u00fcr, bu da semente karb\u00fcr\u00fcn s\u00fcnek kesimini ger\u00e7ekle\u015ftirebilir. \u0130yi i\u015fleme y\u00fczeyi kalitesi elde etmek i\u00e7in semente karb\u00fcr malzeme plastik deformasyon \u015feklinde uzakla\u015ft\u0131r\u0131l\u0131r.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\uff08a\uff09y\u00fczey geometrisi<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(b) kontur e\u011frisi<\/p>\n\n\n\n

\u015eekil 5 i\u015flenmi\u015f y\u00fczey morfolojisi ve profili<\/strong><\/strong><\/p>\n\n\n\n

\u015eekil 6, i\u015fleme parametreleriyle mikro \u00f6\u011f\u00fctme semente karb\u00fcr\u00fcn y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc Ra e\u011frisini g\u00f6stermektedir. Semente karb\u00fcr\u00fcn i\u015flenmi\u015f y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcn\u00fcn Ra de\u011ferinin mikro frezelemede s\u00fcnek kesme nedeniyle \u00e7ok k\u00fc\u00e7\u00fck oldu\u011fu \u015fekilden g\u00f6r\u00fclebilir. Y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc Ra, di\u015f ba\u015f\u0131na ilerleme AP ve frezeleme derinli\u011fi FZ artt\u0131k\u00e7a artar, ancak di\u015f ba\u015f\u0131na ilerlemenin y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc \u00fczerindeki etkisi, frezeleme derinli\u011finden daha b\u00fcy\u00fckt\u00fcr. AP = 2 \u03bcm ve FZ = 0,3 \u03bcm oldu\u011funda, minimum y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc 0,073 \u03bcm'dir; AP = 4 \u03bcm ve FZ = 1,5 \u03bcm oldu\u011funda, maksimum y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc 0.151 \u03bc M'dir.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(b) kontur<\/p>\n\n\n\n

Fig\u00fcr <\/strong>6<\/strong> i\u015flenmi\u015f y\u00fczeyin \u015fekli ve ana hatlar\u0131<\/strong><\/strong><\/p>\n\n\n\n

\u015eekil 6, i\u015fleme parametreleriyle mikro \u00f6\u011f\u00fctme semente karb\u00fcr\u00fcn y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcn\u00fcn Ra de\u011fi\u015fim e\u011frisini g\u00f6stermektedir. Semente karb\u00fcr\u00fcn i\u015flenmi\u015f y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcn\u00fcn Ra de\u011ferinin mikro frezelemede s\u00fcnek kesme nedeniyle \u00e7ok k\u00fc\u00e7\u00fck oldu\u011fu \u015fekilden g\u00f6r\u00fclebilir. Y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc Ra, di\u015f ba\u015f\u0131na ilerleme AP ve frezeleme derinli\u011fi FZ artt\u0131k\u00e7a artar, ancak di\u015f ba\u015f\u0131na ilerlemenin y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc \u00fczerindeki etkisi, frezeleme derinli\u011finden daha b\u00fcy\u00fckt\u00fcr. AP = 2 \u03bcm ve FZ = 0,3 \u03bcm oldu\u011funda, minimum y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc 0,073 \u03bcm'dir; AP = 4 \u03bcm ve FZ = 1,5 \u03bcm oldu\u011funda, maksimum y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc 0.151 \u03bc M'dir.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(a) (b)<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

(c)<\/p>\n\n\n\n

Diyagram.7 kesici tak\u0131mda a\u015f\u0131nman\u0131n mikro geometrisi<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Diyagram.8 Frezeleme uzunlu\u011funun y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc \u00fczerindeki etkisi <\/p>\n\n\n\n

\u015eekil 8, mikro frezeleme yolu ile de\u011fi\u015fen y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcn\u00fcn e\u011frisini g\u00f6stermektedir. \u015eekilden g\u00f6r\u00fclebilir ki, y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc Ra, freze yolunun artmas\u0131yla kademeli olarak artar. Frezeleme mesafesi 700m m'ye ula\u015ft\u0131\u011f\u0131nda y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc b\u00fcy\u00fck \u00f6l\u00e7\u00fcde artar; frezeleme mesafesi 700 mm'yi a\u015ft\u0131\u011f\u0131nda, y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc art\u0131\u015f\u0131 yava\u015flar; frezeleme uzunlu\u011fu 1000 mm oldu\u011funda, y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc Ra 0,224 \u03bc M'ye ula\u015f\u0131r. Tak\u0131m a\u015f\u0131nmas\u0131ndan sonra, sadece frezeleme kuvveti artmaz, ayn\u0131 zamanda i\u015f par\u00e7as\u0131n\u0131n ekstr\u00fczyonu ve s\u00fcrt\u00fcnmesi de daha ciddi hale gelir, bu da \u00e7imentolu malzemenin gevrek k\u0131r\u0131lma olas\u0131l\u0131\u011f\u0131n\u0131 art\u0131r\u0131r. karb\u00fcr malzemeler i\u015flenen y\u00fczeyde gevrek k\u0131r\u0131lma kusurlar\u0131na neden olur, i\u015flenen y\u00fczey kalitesini k\u00f6t\u00fcle\u015ftirir ve y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fcn\u00fc art\u0131r\u0131r.<\/p>\n\n\n\n

\u015eimdiye kadar sonu\u00e7<\/strong><\/strong><\/h2>\n\n\n\n

(1) Frezeleme derinli\u011fi u\u00e7 yay\u0131n\u0131n yar\u0131\u00e7ap\u0131ndan \u00e7ok daha az oldu\u011fu i\u00e7in, kesme i\u015fleminde yaln\u0131zca u\u00e7 yay\u0131n\u0131n alt k\u0131sm\u0131 yer al\u0131r ve bu da b\u00fcy\u00fck bir eksenel bile\u015fenle sonu\u00e7lan\u0131r. Elmas kapl\u0131 \u00e7ift di\u015f frezeleme tak\u0131m\u0131n\u0131n mikro frezeleme i\u015fleminde, d\u00fczg\u00fcn olmayan frezeleme olgusu vard\u0131r ve di\u015f ba\u015f\u0131na ilerleme ve frezeleme derinli\u011finin artmas\u0131yla frezeleme kuvveti artar.<\/p>\n\n\n\n

(2) mikro frezeleme \u00e7ok k\u00fc\u00e7\u00fckt\u00fcr, bu da semente karb\u00fcr\u00fcn s\u00fcnek kesimini ger\u00e7ekle\u015ftirebilir ve iyi i\u015fleme y\u00fczeyi kalitesi elde edebilir. Y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc Ra, di\u015f ba\u015f\u0131na ilerleme ve frezeleme derinli\u011finin artmas\u0131yla artar.<\/p>\n\n\n\n

(3) iki b\u0131\u00e7a\u011f\u0131n e\u015fit olmayan a\u015f\u0131nmas\u0131na ve yatak b\u0131\u00e7aklar\u0131n\u0131n ciddi \u015fekilde a\u015f\u0131nmas\u0131na neden olur. Freze yolunun artmas\u0131yla y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc artar.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Cemented carbide has the edge of high hardness, good wear resistance, corrosion resistance and a small coefficient of thermal expansion. It is widely used in the manufacture of precision molds such as optical glass forming, metal drawing, and wear-resistant and corrosion-resistant parts. Cemented carbide mold not only has a long service life, more than ten times…<\/p>","protected":false},"author":2,"featured_media":19290,"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\/2019\/11\/\u56fe\u72471-2.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3872"}],"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=3872"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3872\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media\/19290"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=3872"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=3872"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=3872"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}