{"id":3423,"date":"2019-04-12T07:52:58","date_gmt":"2019-04-12T07:52:58","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/?p=3423"},"modified":"2020-05-06T05:21:16","modified_gmt":"2020-05-06T05:21:16","slug":"relations-between-back-engagement-feed-and-feed-speed-and-their-calculation-fomula","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/tr\/geri-bag-taahhut-besleme-ve-besleme-hiz-ve-hesaplama-arasindaki-iliskiler-formul\/","title":{"rendered":"Geri Ni\u015fan, Yem ve Yem H\u0131z\u0131 ile Hesaplama Fom\u00fclleri Aras\u0131ndaki \u0130li\u015fkiler"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\"><p>NC programlama s\u0131ras\u0131nda, programc\u0131 her i\u015flem i\u00e7in kesme dozaj\u0131n\u0131 belirlemeli ve bunu programa talimat olarak yazmal\u0131d\u0131r. Kesme dozaj\u0131, kesme h\u0131z\u0131, geri kavrama ve besleme h\u0131z\u0131n\u0131 i\u00e7erir. Farkl\u0131 i\u015fleme y\u00f6ntemleri i\u00e7in farkl\u0131 kesme dozajlar\u0131 gerekir.<\/p><p><strong>1<\/strong><strong>.<\/strong><strong>&nbsp;kesme dozaj\u0131n\u0131n se\u00e7im prensibi<\/strong><\/p><p>Kaba tala\u015f i\u015flemede genellikle verimlili\u011fin art\u0131r\u0131lmas\u0131 esas al\u0131n\u0131r, ancak ekonomik ve i\u015fleme maliyetleri de dikkate al\u0131nmal\u0131d\u0131r. Yar\u0131 finisaj ve finisaj durumunda, i\u015fleme kalitesinin sa\u011flanmas\u0131 \u00f6nc\u00fcl\u00fc\u011f\u00fcnde kesme verimlili\u011fi, ekonomi ve i\u015fleme maliyeti g\u00f6z \u00f6n\u00fcnde bulundurulmal\u0131d\u0131r. Spesifik de\u011ferler, makine k\u0131lavuzuna, kesme dozaj\u0131 k\u0131lavuzuna ve deneyime dayanmal\u0131d\u0131r.<\/p><p>Tak\u0131m\u0131n dayan\u0131kl\u0131l\u0131\u011f\u0131ndan ba\u015flayarak, kesme dozaj\u0131n\u0131n se\u00e7im s\u0131ras\u0131d\u0131r. \u00f6nce arkaya ge\u00e7meyi belirleyin, ard\u0131ndan ilerlemeyi belirleyin ve son olarak da kesme h\u0131z\u0131n\u0131 belirleyin.<\/p><p><strong>2. Geri angajman\u0131n belirlenmesi<\/strong><strong><\/strong><\/p><figure class=\"wp-block-gallery columns-1 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/cutting-tool.jpg\" alt=\"\" data-id=\"3425\" data-link=\"https:\/\/www.mcctcarbide.com\/?attachment_id=3425\" class=\"wp-image-3425\" title=\"\"><\/figure><\/li><\/ul><\/figure><p>Arkadan ge\u00e7me, tak\u0131m tezgah\u0131n\u0131n, i\u015f par\u00e7as\u0131n\u0131n ve tak\u0131m\u0131n sertli\u011fi ile belirlenir. Sertli\u011fe izin verildi\u011finde, m\u00fcmk\u00fcn oldu\u011funca i\u015f par\u00e7as\u0131n\u0131n stok miktar\u0131na e\u015fit geri angajman olmal\u0131d\u0131r, bu da ge\u00e7i\u015f say\u0131s\u0131n\u0131 azaltabilir ve \u00fcretim verimlili\u011fini art\u0131rabilir.<\/p><p>Geri angajman ilkesi nas\u0131l belirlenir.<\/p><p>(1) \u0130\u015f par\u00e7as\u0131n\u0131n y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fck de\u011ferinin Ra12.5\u03bcm~25\u03bcm olmas\u0131 gerekti\u011finde, CNC i\u015fleme stok miktar\u0131 5mm~6mm&#039;den azsa, kaba i\u015fleme gereksinimi bir kez kar\u015f\u0131layabilir. Bununla birlikte, marj b\u00fcy\u00fck oldu\u011funda, proses sisteminin rijitli\u011fi zay\u0131f oldu\u011funda veya makine g\u00fcc\u00fc yetersiz oldu\u011funda, besleme birden \u00e7ok kez b\u00f6l\u00fcnebilir.<\/p><p>(2) \u0130\u015f par\u00e7as\u0131n\u0131n y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fck de\u011ferinin Ra3.2\u03bcm~12.5\u03bcm olmas\u0131 gerekti\u011finde, kaba i\u015fleme ve yar\u0131 ince i\u015fleme olmak \u00fczere iki a\u015famaya ayr\u0131labilir. Kaba i\u015fleme s\u0131ras\u0131nda arkadan angajman \u00f6ncekiyle ayn\u0131d\u0131r. Kaba i\u015flemeden sonra 0,5 mm~1,0 mm&#039;lik bir denge b\u0131rak\u0131n ve yar\u0131 ince tala\u015f i\u015fleme s\u0131ras\u0131nda kesin.<\/p><p>(3) \u0130\u015f par\u00e7as\u0131n\u0131n y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fck de\u011ferinin Ra0.8\u03bcm~3.2\u03bcm olmas\u0131 gerekti\u011finde, \u00fc\u00e7 ad\u0131ma b\u00f6l\u00fcnebilir. kaba i\u015fleme, yar\u0131 ince i\u015fleme ve bitirme. Yar\u0131 finisaj s\u0131ras\u0131nda arka angajman 1.5mm~2mm s\u00fcrer. Son i\u015flem s\u0131ras\u0131nda arka ba\u011flant\u0131 0,3 mm~0,5 mm&#039;dir.<\/p><p><strong>3<\/strong><strong>.<\/strong><strong>&nbsp;beslemenin belirlenmesi<\/strong><strong><\/strong><\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/turning-lathe.png\" alt=\"\" class=\"wp-image-3424\" title=\"\"><\/figure><p>Besleme esas olarak par\u00e7an\u0131n i\u015fleme do\u011frulu\u011fu ve y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc gereksinimlerine ve alet ve i\u015f par\u00e7as\u0131n\u0131n malzemesine dayanmaktad\u0131r. Maksimum besleme h\u0131z\u0131, makinenin sertli\u011fi ve besleme sisteminin performans\u0131 ile s\u0131n\u0131rl\u0131d\u0131r.<\/p><p>Besleme h\u0131z\u0131 nas\u0131l belirlenir.<\/p><p>1) \u0130\u015f par\u00e7as\u0131n\u0131n kalite gereksinimleri garanti edildi\u011finde, \u00fcretim verimlili\u011fini art\u0131rmak i\u00e7in daha y\u00fcksek bir besleme h\u0131z\u0131 se\u00e7ilebilir. Genellikle 100 ila 200 m\/dk aral\u0131\u011f\u0131nda se\u00e7ilir.<\/p><p>2) Derin delikler keserken veya i\u015flerken veya y\u00fcksek h\u0131z \u00e7eli\u011fi tak\u0131mlarla i\u015flerken, genellikle 20 ila 50 m\/dak aral\u0131\u011f\u0131nda daha d\u00fc\u015f\u00fck bir ilerleme h\u0131z\u0131 se\u00e7ilmesi tavsiye edilir.<\/p><p>3) \u0130\u015fleme do\u011frulu\u011fu ve y\u00fczey p\u00fcr\u00fczl\u00fcl\u00fc\u011f\u00fc y\u00fcksek oldu\u011funda, besleme h\u0131z\u0131 genellikle 20 ila 50 m\/dak aral\u0131\u011f\u0131nda daha k\u00fc\u00e7\u00fck olacak \u015fekilde se\u00e7ilmelidir.<\/p><p>4) Tak\u0131m r\u00f6lantide hareket ederken, \u00f6zellikle mesafe \u201cs\u0131f\u0131ra d\u00f6n\u00fc\u015f\u201d oldu\u011funda, makine say\u0131sal kontrol sistemi taraf\u0131ndan ayarlanan en y\u00fcksek besleme h\u0131z\u0131 se\u00e7ilebilir.<\/p><p><strong>4<\/strong><strong>.<\/strong><strong>&nbsp;i\u015f mili h\u0131z\u0131n\u0131n belirlenmesi<\/strong><strong><\/strong><\/p><p>\u0130\u015f mili h\u0131z\u0131, izin verilen kesme h\u0131z\u0131na ve i\u015f par\u00e7as\u0131 (veya tak\u0131m) \u00e7ap\u0131na g\u00f6re se\u00e7ilmelidir. Hesaplama form\u00fcl\u00fc \u015fudur.<\/p><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.meetyoucarbide.com\/wp-content\/uploads\/2020\/05\/cutting-tool-1.jpg\" alt=\"\" class=\"wp-image-3426\" title=\"\"><\/figure><p>n=1000*v\/\u03c0*D<\/p><p>v&#8212;-cutting speed, in m\/min, determined by the durability of the tool;<\/p><p>N&#8212;-spindle speed, the unit is r\/min;<\/p><p>D&#8212;-diameter of work piece or tool diameter in mm.<\/p><p>Hesaplanan i\u015f mili h\u0131z\u0131, son olarak, makineye nispeten yak\u0131n bir h\u0131za sahip olacak \u015fekilde makine k\u0131lavuzuna g\u00f6re se\u00e7ilir.<\/p><p>K\u0131sacas\u0131, kesme dozaj\u0131n\u0131n \u00f6zel de\u011feri, makine performans\u0131na, ilgili k\u0131lavuzlara ve pratik deneyime dayal\u0131 benzetme ile belirlenmelidir. Ayn\u0131 zamanda, optimum kesme dozaj\u0131n\u0131 olu\u015fturmak i\u00e7in i\u015f mili h\u0131z\u0131, kesme derinli\u011fi ve ilerleme h\u0131z\u0131 birbirine uyarlanabilir.<\/p><p><strong>5<\/strong><strong>.<\/strong><strong>&nbsp;referans form\u00fcl\u00fc<\/strong><\/p><p>1) geri angajman (ap)<\/p><p>\u0130\u015flenen y\u00fczey ile i\u015flenecek y\u00fczey aras\u0131ndaki dikey mesafeye geri angajman denir. Geri angajman, kesme noktas\u0131 taban noktas\u0131 ile \u00f6l\u00e7\u00fclen ve \u00e7al\u0131\u015fma d\u00fczlemine dik olan angajmand\u0131r. Her ilerleme i\u00e7in torna tak\u0131m\u0131n\u0131n i\u015f par\u00e7as\u0131na olan derinli\u011fidir, bu nedenle kesme derinli\u011fi olarak adland\u0131r\u0131l\u0131r. Bu tan\u0131ma g\u00f6re, yataydan silindirik torna tezgah\u0131nda oldu\u011fu gibi, arkadan ge\u00e7me a\u015fa\u011f\u0131daki gibi hesaplanabilir.<\/p><p>Ap = (dw-dm)\/2<\/p><p>In the formula ap&#8212;-back engagement(mm);<\/p><p>Dw&#8212;-surface diameter of the workpiece to be machined (mm);<\/p><p>Dm&#8212;-The surface diameter (mm) of the workpiece has been machined.<\/p><p><strong>\u00f6rnek 1<\/strong><strong>.<\/strong>&nbsp;\u0130\u015flenecek y\u00fczeyin \u00e7ap\u0131n\u0131n \u03a695mm oldu\u011fu bilinmektedir; \u015fimdi besleme arabas\u0131n\u0131n \u00e7ap\u0131 \u03a690 mm&#039;dir ve geri ba\u011flant\u0131 arar.<\/p><p>\u00c7\u00f6z\u00fcm. ap=(dw-dm)\/2=(95-90)\/2=2,5 mm<\/p><p>2) besleme (f)<\/p><p>Aletin ve i\u015f par\u00e7as\u0131n\u0131n, i\u015f par\u00e7as\u0131n\u0131n veya aletin devri ba\u015f\u0131na besleme hareketi y\u00f6n\u00fcnde g\u00f6reli yer de\u011fi\u015ftirmesi. Besleme y\u00f6n\u00fcne g\u00f6re yatay besleme ve enine besleme olmak \u00fczere ikiye ayr\u0131l\u0131r. Yatay besleme, torna yatak ray\u0131n\u0131n y\u00f6n\u00fc boyunca beslemeyi belirtir ve enine besleme, torna yatak ray\u0131n\u0131n y\u00f6n\u00fcne dik beslemeyi belirtir.<\/p><p>Besleme h\u0131z\u0131 vf, kesme kenar\u0131nda se\u00e7ilen noktan\u0131n i\u015f par\u00e7as\u0131 beslemesine g\u00f6re hareket etti\u011fi anl\u0131k h\u0131zd\u0131r.<\/p><p>Vf=f*n<\/p><p>Where vf&#8212;-feed speed(mm\/s);<\/p><p>N&#8212;-spindle speed(r\/s);<\/p><p>f&#8212;-feed(mm \/s).<\/p><p>3) kesme h\u0131z\u0131 (vc)<\/p><p>\u0130\u015f par\u00e7as\u0131na g\u00f6re kesme kenar\u0131nda se\u00e7ilen noktan\u0131n ana hareketinin anl\u0131k h\u0131z\u0131.<\/p><p>Vc=( \u03c0*dw*n)\/1000<\/p><p>In the formula vc&#8212;-cutting speed (m\/min);<\/p><p>Dw&#8212;-surface diameter of the workpiece to be machined (mm);<\/p><p>n&#8212;-Workpiece speed (r\/min).<\/p><p>Hesaplamada maksimum kesme h\u0131z\u0131 standart olarak al\u0131nmal\u0131d\u0131r. \u00d6rne\u011fin makine kullan\u0131ld\u0131\u011f\u0131nda h\u0131z en y\u00fcksek oldu\u011fu ve tak\u0131m en h\u0131zl\u0131 a\u015f\u0131nd\u0131\u011f\u0131 i\u00e7in i\u015flenecek y\u00fczey \u00e7ap\u0131n\u0131n de\u011feri hesaplan\u0131r.<\/p><p><strong>\u00d6rnek 2<\/strong><strong>.<\/strong>&nbsp;\u03a660mm \u00e7ap\u0131nda i\u015f par\u00e7as\u0131n\u0131n d\u0131\u015f \u00e7ap\u0131, se\u00e7ilen torna mili h\u0131z\u0131 600r\/dak ve vc<\/p><p>\u00c7\u00f6z\u00fcm. vc=( \u03c0*d*w*n)\/1000 = 3,14x60x600\/1000 = 113 m\/dak<\/p><p>Ger\u00e7ek \u00fcretimde genellikle i\u015f par\u00e7as\u0131n\u0131n \u00e7ap\u0131 olarak bilinir. \u0130\u015f par\u00e7as\u0131 malzemesine, tak\u0131m malzemesine ve i\u015fleme gereksinimlerine g\u00f6re kesme h\u0131z\u0131 se\u00e7ilir ve daha sonra torna tezgah\u0131n\u0131 ayarlamak i\u00e7in kesme h\u0131z\u0131 torna mili h\u0131z\u0131na d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr, a\u015fa\u011f\u0131daki form\u00fcl elde edilir.<\/p><p><strong>n=( 1000*vc)\/\u03c0*dw<\/strong><\/p><p><strong>\u00d6rnek 3:<\/strong>&nbsp;CA6140 yatay torna tezgah\u0131nda \u03a6260mm kasnak d\u0131\u015f \u00e7emberi, vc&#039;yi 90m \/ dak olarak se\u00e7in, n&#039;yi bulun.<\/p><p>Solution: n=( 1000*vc)\/ \u03c0*dw=(1000&#215;90)\/ (3.14&#215;260) =110r\/min<\/p><p>Torna mili h\u0131z\u0131 hesapland\u0131ktan sonra isim plakas\u0131na yak\u0131n de\u011fer se\u00e7ilmelidir, yani torna tezgah\u0131n\u0131n ger\u00e7ek h\u0131z\u0131 olarak n=100r\/dak se\u00e7ilir.<\/p><p><strong>6. \u00f6zet<\/strong><\/p><p>Kesme dozaj\u0131n\u0131n \u00fc\u00e7 fakt\u00f6r\u00fc, kesme h\u0131z\u0131 (vc), ilerleme (f), besleme h\u0131z\u0131 (vf) ve geri kavrama (ap) i\u00e7in genel terimdir.<\/p><p>1. geri ni\u015fan ap(mm)&nbsp;<\/p><p>ap=\uff08dw-dm) \/ 2<\/p><p>2. besleme f(mm\/r)<\/p><p>vf=f*n<\/p><p>3. kesme h\u0131z\u0131vc(m\/dak)<\/p><p>vc=( \u03c0*dw*n)\/1000<\/p><\/div><!-- .vgblk-rw-wrapper -->","protected":false},"excerpt":{"rendered":"<p>\u3000During NC programming, the programmer must determine the cutting dosage for each process and write it in the program as an instruction. Cutting dosage includes cutting speed, back engagement and feed speed. Different cutting dosages are required for different processing methods. 1.&nbsp;the selection principle of cutting dosage When roughing, it is generally based on improving&#8230;<\/p>","protected":false},"author":2,"featured_media":19344,"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-3423","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\/2019\/04\/4.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3423","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=3423"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/posts\/3423\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media\/19344"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/media?parent=3423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/categories?post=3423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/tr\/wp-json\/wp\/v2\/tags?post=3423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}