{"id":148331,"date":"2026-04-28T15:32:08","date_gmt":"2026-04-28T13:32:08","guid":{"rendered":"https:\/\/xometry.pro\/articles\/parallelism-gd-t-tolerance\/"},"modified":"2026-05-28T15:31:28","modified_gmt":"2026-05-28T13:31:28","slug":"gd-t-paralellik","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/tr\/makaleler\/gd-t-paralellik\/","title":{"rendered":"GD&amp;T\u2019de Paralellik: Tan\u0131m\u0131, Tolerans ve \u00d6l\u00e7\u00fcm\u00fc"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/y14-5-dimensioning-tolerancing\" target=\"_blank\" rel=\"noreferrer noopener\">ASME Y14.5<\/a>,&nbsp; <a href=\"https:\/\/xometry.pro\/tr\/makaleler\/gdt-geometrik-boyutlandirma-ve-toleranslandirma-nedir\/\">GD&amp;T toleranslar\u0131n\u0131<\/a> kontrol ettikleri \u00f6zellik unsurlar\u0131na g\u00f6re be\u015f kategoriye ay\u0131r\u0131r: Form, y\u00f6nelim, konum, profil ve ka\u00e7\u0131kl\u0131k.<\/p>\n\n\n<div role=\"navigation\" aria-label=\"\u0130\u00e7indekiler\" class=\"simpletoc wp-block-simpletoc-toc\"><h2 class=\"simpletoc-title\">\u0130\u00e7indekiler<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#h-paralellik-gd-amp-t-nedir\">Paralellik (GD&amp;T) Nedir?<\/a>\n<\/li>\n<li><a href=\"#h-paralellik-tolerans-bolgesi\">Paralellik Tolerans B\u00f6lgesi<\/a>\n<\/li>\n<li><a href=\"#h-paralellik-ozellik-kontrol-cercevesinin-incelenmesi\">Paralellik \u00d6zellik Kontrol \u00c7er\u00e7evesinin \u0130ncelenmesi<\/a>\n<\/li>\n<li><a href=\"#h-ekstra-toleransi-anlamak\">Ekstra Tolerans\u0131 Anlamak<\/a>\n<\/li>\n<li><a href=\"#h-paralellik-ve-diger-tanimlamalar\">Paralellik ve Di\u011fer Tan\u0131mlamalar<\/a>\n<\/li>\n<li><a href=\"#h-paralellik-nasil-olculur\">Paralellik Nas\u0131l \u00d6l\u00e7\u00fcl\u00fcr?<\/a>\n<\/li>\n<li><a href=\"#h-yonelim-kontrollerinde-uzmanlasma\">Y\u00f6nelim Kontrollerinde Uzmanla\u015fma<\/a>\n<\/li><\/ul><\/div>\n\n\n<p class=\"wp-block-paragraph\">Her kategori i\u00e7inde bir\u00e7ok farkl\u0131 tolerans vard\u0131r. A\u00e7\u0131sall\u0131k ve diklik ile birlikte <strong>paralellik<\/strong> de <strong>y\u00f6nelim<\/strong> kategorisine aittir; bu kategorideki t\u00fcm toleranslar \u00f6zellikler (yap\u0131lar) aras\u0131ndaki a\u00e7\u0131sal ili\u015fkileri kontrol eder.<\/p>\n\n\n\n<h2 id=\"h-paralellik-gd-amp-t-nedir\" class=\"wp-block-heading\"><strong>Paralellik (GD&amp;T) Nedir?<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"585\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/basic-gdt-parallelism-callout-1-1024x585.png\" alt=\"Dikd\u00f6rtgen bir par\u00e7an\u0131n \u00fcst y\u00fczeyine, A datumuna g\u00f6re uygulanan temel GD&amp;T paralellik i\u015faretlemesi (tan\u0131mlamas\u0131).\" class=\"wp-image-145062\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/basic-gdt-parallelism-callout-1-1024x585.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/basic-gdt-parallelism-callout-1-300x171.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/basic-gdt-parallelism-callout-1-768x439.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/basic-gdt-parallelism-callout-1-scaled.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/basic-gdt-parallelism-callout-1-scaled.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Parallelism is an orientation tolerance in GD&amp;T that maintains a feature (a plane, axis, or center plane) equidistant from a Paralellik, bir \u00f6zelli\u011fi (bir d\u00fczlem, eksen veya merkez d\u00fczlem) t\u00fcm uzunlu\u011fu boyunca bir referans d\u00fczleminden veya ekseninden e\u015fit uzakl\u0131kta (0\u00b0 hizalama\/ \u00e7ak\u0131\u015f\u0131kl\u0131k) tutan bir GD&amp;T y\u00f6nelim tolerans\u0131d\u0131r. Basit\u00e7e ifade etmek gerekirse, tan\u0131mlanan d\u00fczlemin veya eksenin bir veya daha fazla datum d\u00fczlemine veya eksenine tam olarak paralel kalmas\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Konumu de\u011fil de y\u00f6nelimi kontrol etti\u011fi i\u00e7in, tan\u0131mlanan \u00f6zelli\u011fin (yap\u0131) uzayda fiziksel olarak nerede konumland\u0131\u011f\u0131ndan ba\u011f\u0131ms\u0131z olarak, uzunlu\u011fu boyunca datum d\u00fczlemi ile aras\u0131ndaki mesafe sabit olmal\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik \u00fc\u00e7 temel \u00f6zellik t\u00fcr\u00fcne uygulanabilir:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Y\u00fczey Paralelli\u011fi:<\/strong> Bir y\u00fczeyin, genellikle birle\u015fen bir y\u00fczey (ge\u00e7me y\u00fczeyi) olan bir referans y\u00fczeye paralel kalmas\u0131n\u0131 sa\u011flar. Bu en yayg\u0131n uygulamad\u0131r.<\/li>\n\n\n\n<li><strong>Eksen Paralelli\u011fi:<\/strong> Pim ve delik gibi boyutlu \u00f6zelliklerin merkez eksenini kontrol eder (tan\u0131mlar).<\/li>\n\n\n\n<li><strong>Merkez D\u00fczlem Paralelli\u011fi:<\/strong> (Yuvalar ve \u00e7\u0131k\u0131nt\u0131lar gibi) yap\u0131lar\u0131n orta d\u00fczleminin ba\u015fka bir y\u00fczeye paralel kalmas\u0131n\u0131 kontrol eder. Orta d\u00fczlem, bu yap\u0131lar\u0131n alan\u0131ndaki ordinatlar\u0131n (y ekseni koordinatlar\u0131) ortalamas\u0131 al\u0131narak elde edilir.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ancak paralellik her zaman do\u011fru se\u00e7im olmayabilir. M\u00fchendisler a\u015fa\u011f\u0131daki tabloyu kullanarak, ne zaman paralellik kullanacaklar\u0131na h\u0131zl\u0131ca karar verebilirler.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u0130\u015flevsel ama\u00e7<\/strong><\/td><td><strong>Paralellik kullan\u0131lmal\u0131 m\u0131?<\/strong><\/td><td><strong>Kullan\u0131lm\u0131yorsa daha iyi alternatif<\/strong><\/td><\/tr><tr><td>Bir y\u00fczeyi datum y\u00fczeye hizal\u0131 tutmak<\/td><td>Evet<\/td><td>Sadece b\u00f6lgesel \u015fekil \u00f6nemliyse d\u00fczlemsellik<\/td><\/tr><tr><td>Bir delik eksenini bir tabana paralel tutmak<\/td><td>Evet<\/td><td>Eksen konumu da kritik \u00f6nemliyse pozisyon<\/td><\/tr><tr><td>Bir y\u00fczeyi datuma 30\u00b0 veya 45\u00b0 a\u00e7\u0131da tutmak<\/td><td>Hay\u0131r<\/td><td>A\u00e7\u0131sall\u0131k<\/td><\/tr><tr><td>Bir y\u00fczey \u015feklini, ba\u015fka bir \u00f6zelli\u011fe referans olmadan d\u00fczlemsel tutmak<\/td><td>Hay\u0131r<\/td><td>D\u00fczlemsellik<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 id=\"h-muhendislere-tavsiyeler\" class=\"wp-block-heading\">M\u00fchendislere Tavsiyeler<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Konum \u00f6nemliyse paralellik kullanmay\u0131n \u2192 pozisyon kullan\u0131n<\/li>\n\n\n\n<li>D\u00fczlemselli\u011fi kontrol etmek i\u00e7in paralellik kullanmay\u0131n \u2192 d\u00fczlemsellik kullan\u0131n<\/li>\n\n\n\n<li>Eksen paralelli\u011fini yaln\u0131zca d\u00f6nme veya ge\u00e7me\/uyum hizalamaya ba\u011fl\u0131 oldu\u011funda kullan\u0131n<\/li>\n<\/ul>\n\n\n\n<h4 id=\"h-ornek-flans-baglantilari\" class=\"wp-block-heading\"><strong>\u00d6rnek: Flan\u015f Ba\u011flant\u0131lar\u0131<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik tan\u0131mlamas\u0131, end\u00fcstriyel boru tesisatlar\u0131nda flan\u015f y\u00fczeylerini hizalamak i\u00e7in s\u0131kl\u0131kla kullan\u0131l\u0131r. Do\u011fru \u015fekilde hizalanm\u0131\u015f, s\u0131zd\u0131rmaz bir ba\u011flant\u0131 sa\u011flamak i\u00e7in birle\u015fen flan\u015flar belirtilen tolerans dahilinde paralel olmal\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ka\u00e7\u0131kl\u0131k (offset) hizas\u0131zl\u0131\u011f\u0131, pozisyon veya e\u015f eksenlilik ile kontrol edilirken, a\u00e7\u0131sal hizas\u0131zl\u0131k \u00f6ncelikle paralellik ile kontrol edilir (genellikle d\u00fczlemsellik veya y\u00fczey profili ile desteklenir). M\u00fchendisler bir flan\u015f y\u00fczeyine paralellik tolerans\u0131 uygulayarak ve di\u011ferini birincil datum (referans) olarak kullanarak, c\u0131vatalar aras\u0131nda homojen y\u00fck da\u011f\u0131l\u0131m\u0131 ile contan\u0131n e\u015fit \u015fekilde preslenmesini sa\u011flarlar ve ar\u0131za riskini minimuma indirirler.<\/p>\n\n\n\n<h2 id=\"h-paralellik-tolerans-bolgesi\" class=\"wp-block-heading\">Paralellik Tolerans B\u00f6lgesi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik tolerans b\u00f6lgesi, kontrol edilen (tan\u0131mlanan) y\u00fczeyde izin verilen varyasyonu (de\u011fi\u015fkenlik) tan\u0131mlayan fiziksel bir s\u0131n\u0131rd\u0131r. Kontrol edilen \u00f6zellik \u00fczerindeki t\u00fcm noktalar bu b\u00f6lge i\u00e7inde kald\u0131\u011f\u0131 s\u00fcrece par\u00e7a tatmin edici \u015fekilde yerine oturacak ve \u00e7al\u0131\u015facakt\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"606\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/surface-parallelism-tolerance-zone-1024x606.png\" alt=\"Y\u00fczey paralelli\u011fi tolerans b\u00f6lgesi, \u00fcst y\u00fczeyi A datumuna g\u00f6re s\u0131n\u0131rlayan iki paralel d\u00fczlem kullan\u0131larak g\u00f6sterilmi\u015ftir.\" class=\"wp-image-145074\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/surface-parallelism-tolerance-zone-1024x606.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/surface-parallelism-tolerance-zone-300x178.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/surface-parallelism-tolerance-zone-768x454.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/surface-parallelism-tolerance-zone-scaled.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/surface-parallelism-tolerance-zone-scaled.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Y\u00fczey ve Merkez D\u00fczlem Paralelli\u011fi i\u00e7in:<\/strong> Tolerans b\u00f6lgesi varsay\u0131lan olarak iki paralel d\u00fczlemdir. Bu d\u00fczlemler aras\u0131ndaki mesafe tolerans s\u0131n\u0131r\u0131d\u0131r. \u00d6rne\u011fin, bir y\u00fczey paralelli\u011fi tolerans\u0131 0,05 mm ise, bu y\u00fczeydeki t\u00fcm noktalar tam olarak, aralar\u0131nda 0,05 mm mesafe olan iki paralel d\u00fczlem aras\u0131nda olmal\u0131d\u0131r.<\/li>\n\n\n\n<li><strong>Eksen Paralelli\u011fi i\u00e7in:<\/strong> Tolerans b\u00f6lgesi, t\u00fcretilmi\u015f orta eksen etraf\u0131nda tan\u0131mlanan silindirik bir zarft\u0131r. Par\u00e7an\u0131n muayeneden ge\u00e7mesi i\u00e7in, t\u00fcm eksen noktalar\u0131 tamamen bu silindir i\u00e7inde olmal\u0131d\u0131r.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1-1024x576.png\" alt=\"A datumuna g\u00f6re bir delik ekseni etraf\u0131ndaki silindirik tolerans b\u00f6lgesini g\u00f6steren eksen paralelli\u011fi \u00e7izimi.\" class=\"wp-image-145086\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1-1024x576.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1-300x169.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1-768x432.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1.png 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/cylindrical-tolerance-zone-around-hole-axis-1.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<h2 id=\"h-paralellik-ozellik-kontrol-cercevesinin-incelenmesi\" class=\"wp-block-heading\">Paralellik \u00d6zellik Kontrol \u00c7er\u00e7evesinin \u0130ncelenmesi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik tolerans\u0131, bir \u00f6zellik kontrol \u00e7er\u00e7evesi kullan\u0131larak CAD \u00e7izimine uygulan\u0131r. Bu \u00e7er\u00e7eve \u00fc\u00e7 ayr\u0131 bloktan olu\u015fur: GD&amp;T sembol blo\u011fu, tolerans blo\u011fu ve datum blo\u011fu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">GD&amp;T paralellik sembol\u00fc (ASME Y14.5&#8217;e g\u00f6re), yataydan yakla\u015f\u0131k 60\u00b0 a\u00e7\u0131yla yerle\u015ftirilmi\u015f iki paralel \u00e7izgiden olu\u015fur.<\/p>\n\n\n\n<h3 id=\"h-1-gd-amp-t-sembol-blogu\" class=\"wp-block-heading\"><strong>1. GD&amp;T Sembol Blo\u011fu<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bu blok, kullan\u0131c\u0131ya hangi geometrik tolerans\u0131n uyguland\u0131\u011f\u0131n\u0131 bildirir. GD&amp;T&#8217;deki her tolerans i\u00e7in bu ilk blo\u011fa yerle\u015ftirilen belirli bir sembol vard\u0131r. ASME Y14.5&#8217;e g\u00f6re GD&amp;T paralellik sembol\u00fc, yataydan yakla\u015f\u0131k 60\u00b0 a\u00e7\u0131yla yerle\u015ftirilmi\u015f iki paralel \u00e7izgiden olu\u015fur.<\/p>\n\n\n\n<h3 id=\"h-2-tolerans-blogu\" class=\"wp-block-heading\"><strong>2. Tolerans Blo\u011fu<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bu blok, tolerans b\u00f6lgesinin \u015feklini, de\u011ferini ve malzeme ko\u015fulunu tan\u0131mlayarak tolerans\u0131n nas\u0131l uyguland\u0131\u011f\u0131n\u0131 a\u00e7\u0131klar.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>B\u00f6lgenin \u015eekli:<\/strong> Eksen paralelli\u011fi i\u00e7in, \u00e7ap sembol\u00fc (\u00d8) kullan\u0131larak silindirik bir b\u00f6lge belirtilir. Y\u00fczey paralelli\u011fi i\u00e7in iki paralel d\u00fczlem kullan\u0131l\u0131r; bu, GD&amp;T varsay\u0131lan\u0131d\u0131r ve \u00f6zel bir sembol gerektirmez.<\/li>\n\n\n\n<li><strong>Tolerans De\u011feri:<\/strong> Bu de\u011fer, silindirin \u00e7ap\u0131n\u0131 (eksenler i\u00e7in) veya iki d\u00fczlem aras\u0131ndaki mesafeyi (y\u00fczeyler i\u00e7in) belirtir. GD&amp;T\u2019nin 1 Numaral\u0131 Kural\u0131\u2019na (zarf ilkesi) g\u00f6re, paralellik tolerans\u0131, \u00f6zelli\u011fin belirtilen boyut tolerans\u0131n\u0131 a\u015famaz.<\/li>\n\n\n\n<li><strong>Malzeme D\u00fczenleyiciler:<\/strong> Malzeme durumu d\u00fczenleyiciler (MMC veya LMC), (delikler veya pimler gibi) <strong>boyutlu \u00f6zellikleri<\/strong> kontrol etmek i\u00e7in eksen ve merkez d\u00fczlem paralelli\u011fine uygulanabilir. Bu d\u00fczenleyiciler boyuta ba\u011fl\u0131 oldu\u011fundan, d\u00fczlemsel y\u00fczeyler i\u00e7in ge\u00e7ersizdirler. ASME Y14.5&#8217;e g\u00f6re, hi\u00e7bir d\u00fczenleyici (modifier) belirtilmezse, tolerans varsay\u0131lan olarak \u00d6zellik Boyutundan Ba\u011f\u0131ms\u0131z (\u00d6BB) olur.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-3-datum-blogu\" class=\"wp-block-heading\">3. Datum Blo\u011fu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik bir y\u00f6nelim kontrol\u00fc oldu\u011fundan, kar\u015f\u0131la\u015ft\u0131rmal\u0131 kontrol etmek i\u00e7in bir referans unsur (datum) gerektirir. Datum, referans y\u00f6nelimi tan\u0131mlar ve kontrol edilen \u00f6zelli\u011fin serbestlik derecelerini k\u0131s\u0131tlar.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept-1024x683.png\" alt=\"\u015eeffaf CAD tarz\u0131 bir blokta, bir delik ekseninin datum d\u00fczlemine g\u00f6re g\u00f6sterildi\u011fi eksen paralelli\u011fi kavram\u0131.\" class=\"wp-image-144925\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept-1024x683.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept-300x200.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept-768x512.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/axis-parallelism-concept.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Datum, tolerans blo\u011funun hemen ard\u0131ndan gelen datum blo\u011funda yer al\u0131r.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Y\u00fczey ve merkez d\u00fczlemi paralelli\u011fi yaln\u0131zca bir datum gerektirir.<\/li>\n\n\n\n<li>Eksen paralelli\u011fi, par\u00e7a karma\u015f\u0131kl\u0131\u011f\u0131na ba\u011fl\u0131 olarak bir veya iki datum gerektirebilir.<\/li>\n\n\n\n<li>Paralellik genellikle \u00fc\u00e7 datum ile belirtilmez. \u00c7o\u011funlukla en b\u00fcy\u00fck ve en kararl\u0131 y\u00fczey birincil datum olarak se\u00e7ilir. Birden fazla birincil veya ikincil datum kullanmak m\u00fcmk\u00fcnd\u00fcr. A ve B gibi iki tane birincil veya ikincil datum referans al\u0131nd\u0131\u011f\u0131nda, bunlar ayn\u0131 \u00f6zellik kontrol \u00e7er\u00e7evesi blo\u011funda tire (k\u0131sa \u00e7izgi) ile ayr\u0131lm\u0131\u015f olarak birlikte belirtilir (A-B).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base-1024x683.png\" alt=\"Montajda i\u015flevsel datum y\u00fczeyleri olarak kullan\u0131lan, ard\u0131l i\u015flem uygulanm\u0131\u015f temas pedleri ve c\u0131vata delikleri bulunan, makineyle i\u015flenmi\u015f montaj taban\u0131.\" class=\"wp-image-144937\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base-1024x683.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base-300x200.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base-768x512.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-mounting-base.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<h2 id=\"h-ekstra-toleransi-anlamak\" class=\"wp-block-heading\"><strong>Ekstra Tolerans\u0131 Anlamak<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Eksen veya merkez d\u00fczlem paralelli\u011fi, bir MMC veya LMC d\u00fczenleyici ile birlikte kullan\u0131ld\u0131\u011f\u0131nda, <strong>ekstra toleransa<\/strong> hak kazan\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ekstra tolerans, boyutlu bir \u00f6zelli\u011fin, \u00f6zellik kontrol \u00e7er\u00e7evesinde belirtilen malzeme ko\u015fulundan sapmas\u0131 durumunda ortaya \u00e7\u0131kan, izin verilen ek bir paralellik hatas\u0131d\u0131r. Ger\u00e7ekte \u00f6l\u00e7\u00fclen boyut ile MMC\/LMC boyutu aras\u0131ndaki fark olarak hesaplan\u0131r.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Dahili \u00d6zellikler (Delikler) i\u00e7in:<\/strong> Fiziksel boyut <em>artt\u0131k\u00e7a<\/em> ekstra tolerans kazan\u0131l\u0131r. (\u00d6rne\u011fin, MMC&#8217;si 10,00 mm ve ger\u00e7ek boyutu 10,10 mm olan bir delik, 0,10 mm bonus tolerans\u0131 kazan\u0131r).<\/li>\n\n\n\n<li><strong>Harici \u00d6zellikler (Pimler) i\u00e7in:<\/strong> Fiziksel boyut <em>azald\u0131k\u00e7a<\/em> ekstra tolerans kazan\u0131l\u0131r. (\u00d6rne\u011fin, MMC&#8217;si 10,00 mm ve ger\u00e7ek boyutu 9,90 mm olan bir mil, 0,10 mm ekstra tolerans kazan\u0131r).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Toplam izin verilen paralellik tolerans\u0131, kontrol \u00e7er\u00e7evesinde belirtilen tolerans ile hesaplanan ekstra tolerans\u0131n toplam\u0131d\u0131r.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase-1024x576.png\" alt=\"Engineering dashboard illustrating how bonus tolerance increases as a pin size departs from maximum material condition.\" class=\"wp-image-144949\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase-1024x576.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase-300x169.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase-768x432.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase.png 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase.png\" data-fancybox=\"gallery-148331\" data-caption=\"Bir pim boyutu maksimum malzeme ko\u015fulundan uzakla\u015ft\u0131k\u00e7a ekstra tolerans\u0131n nas\u0131l artt\u0131\u011f\u0131n\u0131 g\u00f6steren m\u00fchendislik kontrol paneli.\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/engineering-dashboard-bonus-tolerance-increase.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Bir pim boyutu maksimum malzeme ko\u015fulundan uzakla\u015ft\u0131k\u00e7a ekstra tolerans\u0131n nas\u0131l artt\u0131\u011f\u0131n\u0131 g\u00f6steren m\u00fchendislik kontrol paneli.<\/figcaption><\/figure>\n\n\n\n<h2 id=\"h-paralellik-ve-diger-tanimlamalar\" class=\"wp-block-heading\"><strong>Paralellik ve Di\u011fer Tan\u0131mlamalar<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik, bir \u00f6zelli\u011fin benzer y\u00f6nlerini kontrol ediyor gibi g\u00f6r\u00fcnd\u00fckleri i\u00e7in bazen di\u011fer i\u015faretlemelerle (tan\u0131mlamalarla) kar\u0131\u015ft\u0131r\u0131labilir. A\u015f\u0131r\u0131 m\u00fchendislikten veya toleranslar\u0131n hatal\u0131 uygulanmas\u0131ndan ka\u00e7\u0131nmak i\u00e7in, paralelli\u011fin g\u00f6rsel olarak benzer olan di\u011fer GD&amp;T i\u015faretlemelerinden nas\u0131l farkl\u0131 oldu\u011funu anlamak \u00e7ok \u00f6nemlidir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment-1024x576.png\" alt=\"Eksen hizalamas\u0131n\u0131 ve delik deseni tutarl\u0131l\u0131\u011f\u0131n\u0131 g\u00f6steren, bir\u00e7ok delik a\u00e7\u0131lm\u0131\u015f, i\u015flenmi\u015f \u00e7elik blok.\" class=\"wp-image-144973\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment-1024x576.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment-300x169.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment-768x432.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment.png 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/machined-steel-block-axis-alignment.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<h3 id=\"h-paralellik-ve-duzlemsellik-karsilastirmasi\" class=\"wp-block-heading\">Paralellik ve D\u00fczlemsellik Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hem paralellik hem de <a href=\"https:\/\/xometry.pro\/tr\/makaleler\/gd-t-duzlemsellik\/\">d\u00fczlemsellik<\/a>, d\u00fczlemsel y\u00fczeylere uygulan\u0131r ve iki paralel d\u00fczlemden olu\u015fan bir tolerans b\u00f6lgesine sahiptir.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00fczlemsellik bir <strong>\u015fekil (form)<\/strong> kontrol\u00fcd\u00fcr. <a href=\"https:\/\/xometry.pro\/tr\/makaleler\/dogrusallik-gd-t\/\">Do\u011frusall\u0131k<\/a>, <a href=\"https:\/\/xometry.pro\/tr\/makaleler\/gdt-de-dairesellik\/\">dairesellik<\/a> ve <a href=\"https:\/\/xometry.pro\/tr\/makaleler\/silindiriklik-gd-t\/\">silindirikli\u011fe<\/a> benzerdir.<\/li>\n\n\n\n<li>Bir datum i\u00e7ermez. Sadece y\u00fczeyin \u015fekliyle ilgilenir.<\/li>\n\n\n\n<li>Paralellik bir <strong>y\u00f6nelim<\/strong> kontrol\u00fcd\u00fcr. Belirli bir datum ile aras\u0131nda 0\u00b0 olacak \u015fekilde hizalamay\u0131 korur. Bir y\u00fczey m\u00fckemmel d\u00fczlemsel olabilir ancak datum d\u00fczlemine g\u00f6re e\u011fimli (a\u00e7\u0131l\u0131) ise yine de paralellik muayenesinden ge\u00e7emeyebilir.<\/li>\n<\/ul>\n\n\n\n<h3 id=\"h-paralellik-ve-acisallik-karsilastirmasi\" class=\"wp-block-heading\">Paralellik ve A\u00e7\u0131sall\u0131k Kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Her ikisi de bir datuma g\u00f6re y\u00f6nelim kontrol\u00fcd\u00fcr.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Paralellik<\/strong>, datum d\u00fczlemine paralel (aralar\u0131nda 0\u00b0 olan) bir tolerans b\u00f6lgesi olu\u015fturur.<\/li>\n\n\n\n<li>A\u00e7\u0131sall\u0131k, a\u00e7\u0131sal bir tolerans b\u00f6lgesi olu\u015fturur ve 0\u00b0 ile 90\u00b0 aras\u0131nda (\u00f6rne\u011fin, 30\u00b0, 45\u00b0) paralel olmayan\/dik olmayan a\u00e7\u0131lar i\u00e7in kullan\u0131l\u0131r. Datum ile 2\u00b0 a\u00e7\u0131l\u0131 olan bir y\u00fczey paralellik kontrol\u00fcnden ge\u00e7emez ancak 2\u00b0 tolerans belirtilmi\u015fse a\u00e7\u0131sall\u0131k kontrol\u00fcnden ge\u00e7ebilir.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Kontrol<\/strong><\/td><td><strong>Datum gerekli mi?<\/strong><\/td><td><strong>Kontrol etti\u011fi \u015fey<\/strong><\/td><td><strong>Tipik kullan\u0131m yeri<\/strong><\/td><\/tr><tr><td>D\u00fczlemsellik<\/td><td>Hay\u0131r<\/td><td>Y\u00fczey \u015fekli<\/td><td>Sadece s\u0131zd\u0131rmazl\u0131k veya temas y\u00fczeyi \u015fekli<\/td><\/tr><tr><td>Paralellik<\/td><td>Evet<\/td><td>0\u00b0 y\u00f6nelim<\/td><td>Birle\u015fen (birbirine uyan) y\u00fczeyler, hizalanm\u0131\u015f eksenler<\/td><\/tr><tr><td>A\u00e7\u0131sall\u0131k<\/td><td>Evet<\/td><td>S\u0131f\u0131r olmayan a\u00e7\u0131<\/td><td>E\u011fimli y\u00fczeyler<\/td><\/tr><tr><td>Pozisyon<\/td><td>Evet<\/td><td>Boyutlu \u00f6zelliklerin konumu ve y\u00f6nelimi<\/td><td>Montajlardaki delikler, pimler, yuvalar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing-1024x576.png\" alt=\"End\u00fcstriyel boru flan\u015f tertibat\u0131ndaki civatalar\u0131 s\u0131kan teknisyen; do\u011fru y\u00fczey hizalamas\u0131n\u0131 ve s\u0131zd\u0131rmazl\u0131\u011f\u0131 sa\u011fl\u0131yor.\" class=\"wp-image-144985\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing-1024x576.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing-300x169.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing-768x432.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing.png 1672w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/technician-tightening-bolts-proper-face-alignment-and-sealing.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<h2 id=\"h-paralellik-nasil-olculur\" class=\"wp-block-heading\"><strong>Paralellik Nas\u0131l \u00d6l\u00e7\u00fcl\u00fcr?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik, her zaman belirli bir datum eleman\u0131na g\u00f6re uygulanan bir y\u00f6nelim tolerans\u0131d\u0131r. Paralellik \u00f6l\u00e7\u00fcm\u00fc i\u00e7in, muayene bu datuma g\u00f6re yap\u0131lmal\u0131d\u0131r.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Paralelli\u011fi \u00f6l\u00e7mek i\u00e7in bir\u00e7ok g\u00fcvenilir y\u00f6ntem vard\u0131r. Bunlar\u0131n en y\u00fcksek do\u011frulukta olan\u0131, koordinat \u00f6l\u00e7\u00fcm cihaz\u0131 (CMM) kullan\u0131m\u0131d\u0131r. Bunun m\u00fcmk\u00fcn olmad\u0131\u011f\u0131 durumlarda, y\u00fczey plakas\u0131 gibi bir datum sim\u00fclat\u00f6r\u00fc ile bir kadranl\u0131 g\u00f6sterge kullan\u0131larak genellikle tatmin edici sonu\u00e7lar al\u0131nabilir.<\/p>\n\n\n\n<h3 id=\"h-koordinat-olcum-cihazlari\" class=\"wp-block-heading\"><strong>Koordinat \u00d6l\u00e7\u00fcm Cihazlar\u0131<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00fcksek do\u011fruluk ihtiyac\u0131 olan yerlerde kullan\u0131lan CMM; y\u00fczey, eksen ve merkez d\u00fczlem paralelli\u011fini ola\u011fan\u00fcst\u00fc bir hassasiyetle \u00f6l\u00e7ebilir. CMM, referans y\u00fczey \u00fczerinde bir\u00e7ok noktay\u0131 tarayarak datumu olu\u015fturur, ard\u0131ndan \u00fcst y\u00fczeyi tarar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cihaz\u0131n yaz\u0131l\u0131m\u0131, \u00fcst y\u00fczeydeki t\u00fcm noktalar\u0131 i\u00e7ine alan iki paralel d\u00fczlemi s\u0131\u011fd\u0131rmak i\u00e7in gerekli olan minimum mesafeyi hesaplar; bu mesafe paralellik hatas\u0131d\u0131r. CMM&#8217;ler son derece y\u00fcksek do\u011fruluk sunarlar ancak pahal\u0131d\u0131rlar, ta\u015f\u0131nabilir de\u011fildirler ve y\u0131ll\u0131k %15-20 civar\u0131nda maliyetli bak\u0131m gerektirirler.<\/p>\n\n\n\n<h3 id=\"h-yuzey-plakasi-ve-kadranli-gosterge\" class=\"wp-block-heading\"><strong>Y\u00fczey Plakas\u0131 ve Kadranl\u0131 G\u00f6sterge<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">At\u00f6lyelerde yayg\u0131n olarak kullan\u0131lan, ta\u015f\u0131nabilir bir y\u00f6ntemde, granit bir y\u00fczey plakas\u0131 ve bir kadranl\u0131 g\u00f6stergeden yararlan\u0131l\u0131r. Par\u00e7an\u0131n datum y\u00fczeyi, datum sim\u00fclat\u00f6r\u00fc g\u00f6revi g\u00f6ren temiz plaka \u00fczerine do\u011frudan yerle\u015ftirilir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block-1024x683.png\" alt=\"Paralellik muayenesi s\u0131ras\u0131nda granit bir plaka \u00fczerindeki i\u015flenmi\u015f bir al\u00fcminyum blo\u011fun \u00fcst y\u00fczeyini \u00f6l\u00e7en kadranl\u0131 g\u00f6sterge probu.\" class=\"wp-image-144997\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block-1024x683.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block-300x200.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block-768x512.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block.png\" data-fancybox=\"gallery-148331\" data-caption=\"\" aria-label=\"Tam resmi a\u00e7\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/dial-indicator-probe-machined-aluminum-block.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Kadranl\u0131 g\u00f6sterge probu \u00fcst y\u00fczeye temas eder ve par\u00e7a boyunca hareket ettirilir. Kaydedilen en y\u00fcksek ve en d\u00fc\u015f\u00fck okumalar aras\u0131ndaki fark, paralellik tolerans de\u011ferini belirler. (\u00d6rne\u011fin, 0,08 mm&#8217;lik maksimum ve 0,02 mm&#8217;lik minimum okuma de\u011ferleri, 0,06 mm&#8217;lik bir paralellik hatas\u0131 anlam\u0131na gelir).<\/p>\n\n\n\n<h3 id=\"h-lazer-interferometre-ve-otokolimator\" class=\"wp-block-heading\"><strong>Lazer \u0130nterferometre ve Otokolimat\u00f6r<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A\u015f\u0131r\u0131 b\u00fcy\u00fck olan veya hareket ettirilemeyen par\u00e7alar i\u00e7in <a href=\"https:\/\/en.wikipedia.org\/wiki\/Interferometry\" target=\"_blank\" rel=\"noreferrer noopener\">lazer interferometreler<\/a> ve otokolimat\u00f6rler, tercih edilen muayene \u00e7\u00f6z\u00fcmleridir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bu ara\u00e7lar, yans\u0131yan bir \u0131\u015f\u0131k demetindeki a\u00e7\u0131sal sapmalar\u0131 veya giri\u015fim desenlerini analiz ederek mikrondan daha d\u00fc\u015f\u00fck hassasiyet sa\u011flar. Bununla birlikte, \u0131s\u0131l genle\u015fme, nem ve hava ak\u0131mlar\u0131 gibi \u00e7evresel fakt\u00f6rlere kar\u015f\u0131 olduk\u00e7a hassast\u0131rlar.<\/p>\n\n\n\n<h2 id=\"h-yonelim-kontrollerinde-uzmanlasma\" class=\"wp-block-heading\"><strong>Y\u00f6nelim Kontrollerinde Uzmanla\u015fma<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Paralellik, paralel y\u00fczeylerin g\u00fcvenilir \u015fekilde \u00fcretimi i\u00e7in kritik \u00f6neme sahip temel bir <a href=\"https:\/\/xometry.pro\/tr\/makaleler\/gdt-geometrik-boyutlandirma-ve-toleranslandirma-nedir\/\">GD&amp;T<\/a> y\u00f6nelim tolerans\u0131d\u0131r. Gerekli <a href=\"https:\/\/xometry.pro\/tr\/araclar\/iso-286-limit-ve-gecme-hesaplayici\/\">limitler ve ge\u00e7meler (uyumlar)<\/a> dahilinde homojen aral\u0131klar ve hizalama sa\u011flayarak, do\u011fru montaj\u0131, s\u0131zd\u0131rmazl\u0131\u011f\u0131 ve uzun vadeli mekanik g\u00fcvenilirli\u011fi temin eder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00fchendisler, belirtilen tolerans b\u00f6lgelerini ve malzeme ko\u015fullar\u0131n\u0131 anlayarak, \u00fcretim maliyetlerini gereksiz yere art\u0131rmadan paralelli\u011fi etkili bir \u015fekilde uygulayabilirler.<\/p>\n","protected":false},"author":2899,"featured_media":145111,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[],"class_list":["post-148331","articles","type-articles","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>GD&amp;T\u2019de Paralellik: Tan\u0131m\u0131, Tolerans ve \u00d6l\u00e7\u00fcm\u00fc | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Hizalama hatalar\u0131n\u0131 ve ba\u015far\u0131s\u0131z montajlar\u0131 \u00f6nleyin. 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GD&amp;T paralellik toleranslar\u0131n\u0131 do\u011fru \u015fekilde nas\u0131l uygulayaca\u011f\u0131n\u0131z\u0131, ekstra tolerans\u0131 nas\u0131l hesaplayaca\u011f\u0131n\u0131z\u0131 ve par\u00e7alar\u0131 nas\u0131l do\u011fru bir \u015fekilde muayene edebilece\u011finizi \u00f6\u011frenin.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/xometry.pro\/tr\/makaleler\/gd-t-paralellik\/\" \/>\n<meta property=\"og:site_name\" content=\"Xometry Pro\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-28T13:31:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/xometry.pro\/wp-content\/uploads\/2026\/04\/precision-linear-guide-rail.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2358\" \/>\n\t<meta property=\"og:image:height\" content=\"1316\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tahmini okuma s\u00fcresi\" \/>\n\t<meta name=\"twitter:data1\" content=\"9 dakika\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/tr\\\/makaleler\\\/gd-t-paralellik\\\/\",\"url\":\"https:\\\/\\\/xometry.pro\\\/tr\\\/makaleler\\\/gd-t-paralellik\\\/\",\"name\":\"GD&amp;T\u2019de Paralellik: Tan\u0131m\u0131, Tolerans ve \u00d6l\u00e7\u00fcm\u00fc | Xometry Pro\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/tr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/tr\\\/makaleler\\\/gd-t-paralellik\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/tr\\\/makaleler\\\/gd-t-paralellik\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/precision-linear-guide-rail.png\",\"datePublished\":\"2026-04-28T13:32:08+00:00\",\"dateModified\":\"2026-05-28T13:31:28+00:00\",\"description\":\"Hizalama hatalar\u0131n\u0131 ve ba\u015far\u0131s\u0131z montajlar\u0131 \u00f6nleyin. 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