{"id":684,"date":"2024-03-13T08:35:43","date_gmt":"2024-03-13T08:35:43","guid":{"rendered":"https:\/\/lmmworkrolls.com\/?p=684"},"modified":"2024-03-13T08:35:48","modified_gmt":"2024-03-13T08:35:48","slug":"yedek-rulo-kirilmasinin-analizi-ve-yapisal-optimizasyonu","status":"publish","type":"post","link":"https:\/\/lmmworkrolls.com\/tr\/yedek-rulo-kirilmasinin-analizi-ve-yapisal-optimizasyonu\/","title":{"rendered":"Yedek rulo k\u0131r\u0131lmas\u0131n\u0131n analizi ve yap\u0131sal optimizasyonu"},"content":{"rendered":"

\u00d6zet: Bir yedek rulo k\u0131r\u0131lma kazas\u0131n\u0131n nedeni so\u011fuk haddeleme tesisi<\/a> analiz edildi ve bir optimizasyon plan\u0131 \u00f6nerildi. Optimizasyon plan\u0131n\u0131 analiz etmek ve hesaplamak i\u00e7in sonlu eleman yaz\u0131l\u0131m\u0131 kullan\u0131ld\u0131. Optimizasyon plan\u0131n\u0131n uygulanmas\u0131ndan sonra, bir daha rulo k\u0131r\u0131lma kazas\u0131 ya\u015fanmad\u0131.<\/strong><\/p>\n\n\n\n

Anahtar kelimeler: yedek rulolar<\/a>; yap\u0131sal optimizasyon; sonlu elemanlar<\/strong><\/p>\n\n\n\n

So\u011fuk haddelenmi\u015f \u015ferit \u00e7eli\u011fin \u00fcretim kapasitesi, bir \u00fclkenin \u00e7elik end\u00fcstrisinin geli\u015fmi\u015flik d\u00fczeyinin \u00f6nemli bir g\u00f6stergesidir. \u00c7elik end\u00fcstrisinin s\u00fcrekli geli\u015fmesiyle birlikte, b\u00fcy\u00fck ve orta \u00f6l\u00e7ekli \u00e7elik \u015firketleri \u00e7o\u011funlukla so\u011fuk haddelenmi\u015f \u015ferit \u00e7eli\u011fi \u00fcretmek i\u00e7in s\u00fcrekli asitleme-haddeleme kombine \u00fcnitelerini kullan\u0131rken, k\u00fc\u00e7\u00fck \u015firketler hala \u00e7o\u011funlukla tek standl\u0131 geri d\u00f6n\u00fc\u015f\u00fcml\u00fc so\u011fuk haddeleme \u00fcnitelerini kullanmaktad\u0131r.<\/p>\n\n\n\n

So\u011fuk haddeleme tesisi \u015fu anda iyi \u00fcretim durumuna sahip 1050 mm tek standl\u0131 so\u011fuk haddeleme \u00fcnitesine sahiptir. Piyasa talebine uyum sa\u011flamak i\u00e7in haddeleme tesisi \u00fcr\u00fcn yelpazesini geni\u015fletmek \u00fczere modifiye edilmi\u015ftir. Modifikasyondan sonra 1200 mm geni\u015fli\u011finde \u00e7elik sac \u00fcretme kabiliyetine sahiptir. \u00dcnite yenilenip y\u00fckseltildikten sonra 1200 mm geni\u015fli\u011finde \u00e7elik sac \u00fcretmeye ba\u015flam\u0131\u015ft\u0131r ancak \u00fcretim s\u00fcreci boyunca yedek silindir k\u0131r\u0131lma kazalar\u0131 s\u0131k s\u0131k meydana gelmi\u015ftir.<\/p>\n\n\n\n

Bu ama\u00e7la yazar, i\u015fletmenin ihtiya\u00e7lar\u0131na cevap verecek \u015fekilde silindir k\u0131r\u0131lmas\u0131 kazas\u0131n\u0131 analiz etmi\u015f ve bir optimizasyon plan\u0131 \u00f6nermi\u015ftir.<\/p>\n\n\n\n

Haddehanenin temel parametreleri<\/strong><\/h2>\n\n\n\n

1050 mm tek standl\u0131 tersinir so\u011fuk haddeleme tesisinin ana ekipmanlar\u0131 aras\u0131nda bir sarma arabas\u0131, bir ba\u015flatma makinesi, bir \u00f6n sarma makinesi, bir \u00f6n bo\u015faltma arabas\u0131, alt\u0131 y\u00fcksek haddeleme tesisi bulunmaktad\u0131r.<\/p>\n\n\n\n

Makinenin arkas\u0131nda hidrolik makaslar, makinenin arkas\u0131nda rulolar, makinenin arkas\u0131nda bo\u015faltma arabalar\u0131 ve haddeleme makinesinin ana iletim cihazlar\u0131 vb. 0,16 ~ 1,4 mm kal\u0131nl\u0131\u011f\u0131nda ve 950 ~ 1200 mm geni\u015fli\u011finde \u015ferit \u00e7elik \u00fcretir; \u00fcr\u00fcn malzemeleri aras\u0131nda karbon yap\u0131 \u00e7eli\u011fi, y\u00fcksek kaliteli karbon yap\u0131 \u00e7eli\u011fi, d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 \u00e7elik vb. bulunur; temsili kaliteler \u015funlard\u0131r: Q215, 08Al, SPCC, SPCD, SPCE , IF; \u00fcretim kapasitesi 220.000 t\/y\u0131l; ham malzeme kal\u0131nl\u0131\u011f\u0131: 3 ~ 3,5 mm, geni\u015flik: 950 ~ 1 200 mm; maksimum malzeme mukavemeti \u03c3s \u2264 590 N\/mm2, maksimum \u03c3b \u2264 900 N\/mm2. Maksimum haddeleme kuvveti 12500 kN ve maksimum haddeleme h\u0131z\u0131 850 m\/mm'dir.<\/p>\n\n\n\n

K\u0131r\u0131k rulolar\u0131n nedenlerinin analizi<\/strong><\/h2>\n\n\n\n

Sahada yap\u0131lan anlay\u0131\u015fa g\u00f6re, rulo k\u0131r\u0131lma kazalar\u0131 i\u00e7in belirli bir \u00e7al\u0131\u015fma ko\u015fulu yoktur. Bazen rulo k\u0131r\u0131lma kazas\u0131 haddeleme s\u0131ras\u0131nda meydana gelir ve bazen de rulolar birbirine bast\u0131r\u0131ld\u0131ktan hemen sonra meydana gelir. K\u0131r\u0131k rulolar\u0131n konumu nispeten sabittir ve hepsi rulo boynundaki k\u00fc\u00e7\u00fck bir olukta bulunur (bkz. \u015eekil 1, \u015eekil 2). Ba\u015flang\u0131\u00e7ta "oluktaki" gerilim yo\u011funlu\u011funun \u00e7ok b\u00fcy\u00fck oldu\u011fu belirlenir.<\/p>\n\n\n\n

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

\u015eekil 1 Sahada k\u0131r\u0131k silindirin resmi<\/strong><\/p>\n\n\n\n

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

\u015eekil 2 Mevcut yap\u0131 destek silindirinin yap\u0131sal diyagram\u0131<\/strong><\/p>\n\n\n\n

Yap\u0131sal analiz yedek rulolar<\/a><\/strong><\/h3>\n\n\n\n

Modifikasyondan \u00f6nce yedek silindirin uzunlu\u011fu 1040 mm'dir (bkz. \u015eekil 3). Kullan\u0131c\u0131, d\u00f6n\u00fc\u015f\u00fcm s\u0131ras\u0131nda orijinal par\u00e7alar\u0131n tam olarak kullan\u0131lmas\u0131 ilkesine uydu\u011fundan, silindir g\u00f6vdesi uzat\u0131l\u0131rken di\u011fer yap\u0131lar\u0131n \u015fekli ve boyutu m\u00fcmk\u00fcn oldu\u011funca de\u011fi\u015ftirilmemeli ve silindirin genel uzunlu\u011fu maksimum \u00f6l\u00e7\u00fcde de\u011fi\u015ftirilmemelidir. Son olarak, destek silindir g\u00f6vdesinin uzunlu\u011fu 1040 mm'den 1200 mm'ye uzat\u0131lm\u0131\u015f ve toplam uzunluk 3336 mm'den 3356 mm'ye \u00e7\u0131kar\u0131lm\u0131\u015ft\u0131r. Ayr\u0131ca, silindir boynunun ve silindir g\u00f6vdesinin birle\u015fim noktas\u0131ndaki orijinal "yuvarlak k\u00f6\u015fe + pah" ge\u00e7i\u015f y\u00f6ntemi iptal edilmi\u015f ve filetonun do\u011frudan ge\u00e7i\u015fine d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015ft\u00fcr (bkz. \u015eekil 4 ve \u015eekil 5)<\/p>\n\n\n\n

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

\u015eekil 3 De\u011fi\u015fiklikten \u00f6nce yedekleme rulolar\u0131n\u0131n yap\u0131sal diyagram\u0131<\/strong><\/p>\n\n\n\n

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

\u015eekil 4 De\u011fi\u015fiklikten \u00f6nce yedekleme rulolar\u0131 ge\u00e7i\u015f alan\u0131n\u0131n ayr\u0131nt\u0131l\u0131 g\u00f6r\u00fcn\u00fcm\u00fc<\/strong><\/p>\n\n\n\n

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

\u015eekil 5 Mevcut yap\u0131daki yedekleme rulolar\u0131n\u0131n ge\u00e7i\u015f alan\u0131n\u0131n ayr\u0131nt\u0131l\u0131 g\u00f6r\u00fcn\u00fcm\u00fc<\/strong><\/p>\n\n\n\n

"Yiv"in bir gerilim yo\u011funla\u015fma alan\u0131 oldu\u011fu ve gerilim yo\u011funla\u015fmas\u0131n\u0131n haddeleme kuvveti uyguland\u0131ktan sonra ger\u00e7ekle\u015fece\u011fi g\u00f6r\u00fclebilir. Ancak, kullan\u0131m s\u0131ras\u0131nda orijinal yap\u0131da hi\u00e7bir silindir k\u0131r\u0131lma kazas\u0131 meydana gelmedi. Modifikasyondan sonra, silindir boynu ile silindir g\u00f6vdesinin birle\u015fim noktas\u0131ndaki malzemenin bir k\u0131sm\u0131 \u00e7\u0131kar\u0131ld\u0131, bu da silindir boynunun e\u011filme direncini azalt\u0131rken, "yiv" yap\u0131s\u0131 hala korundu. Gerilim yo\u011funla\u015fma riski yo\u011funla\u015f\u0131r ve kaza potansiyeli artar.<\/p>\n\n\n\n

Yedek silindir tertibat\u0131 analizi<\/strong><\/h3>\n\n\n\n

Yazar, modifiye edilmi\u015f yedek silindir tertibat\u0131n\u0131, modifiye edilmeden \u00f6nceki yedek silindir montaj \u00e7izimine ve kullan\u0131c\u0131 taraf\u0131ndan modifiye edildikten sonraki yedek silindir par\u00e7alar\u0131 \u00e7izimine dayanarak incelemi\u015ftir (bkz. \u015eekil 6). Yedek silindir, yedek silindir rulman yata\u011f\u0131 ve omuz halkas\u0131 hari\u00e7, resimdeki t\u00fcm par\u00e7alar orijinal par\u00e7alard\u0131r ve orijinal montaj teknik gereksinimlerine g\u00f6re \u00fcretilmi\u015ftir.<\/p>\n\n\n\n

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

\u015eekil 6 Mevcut yap\u0131 destek silindirinin montaj \u015femas\u0131<\/strong><\/p>\n\n\n\n

Yazar, inceleme s\u00fcreci s\u0131ras\u0131nda, yedek silindirin montaj i\u015flemi s\u0131ras\u0131nda, yap\u0131sal s\u0131n\u0131rlamalar nedeniyle, d\u00f6rt s\u0131ral\u0131 silindirik yata\u011f\u0131n i\u00e7 halkas\u0131n\u0131n yuvarlat\u0131lm\u0131\u015f k\u00f6\u015felerinin yedek silindirin pah\u0131yla temas halinde oldu\u011funu ve omuz halkas\u0131na tam olarak oturamad\u0131\u011f\u0131n\u0131 tespit etti (bkz. \u015eekil 7). Sonu\u00e7 olarak, d\u00f6rt s\u0131ral\u0131 silindirik yata\u011f\u0131n i\u00e7 halkas\u0131 ve d\u0131\u015f halkas\u0131 eksenel y\u00f6nde sabitlenemez. Yata\u011f\u0131n i\u00e7 halkas\u0131 ve omuz halkas\u0131, termal montaj yoluyla destek silindirine monte edildi\u011finden, destek silindirine g\u00f6re hareket edemezler. Bu \u015fekilde, d\u00f6rt s\u0131ral\u0131 silindirik yata\u011f\u0131n i\u00e7 halkas\u0131 ile omuz halkas\u0131 aras\u0131nda bir bo\u015fluk olu\u015facak ve konum, yedek silindirin "oluk" konumuyla neredeyse \u00e7ak\u0131\u015facakt\u0131r. \u00dcretim s\u00fcreci s\u0131ras\u0131nda, buradaki gerilim, haddeleme kuvvetinin etkisi alt\u0131nda daha da artacakt\u0131r.<\/p>\n\n\n\n

\"\"<\/p>\n\n\n\n

\u015eekil 7 Yedek silindir tertibat\u0131n\u0131n b\u00fcy\u00fct\u00fclm\u00fc\u015f g\u00f6r\u00fcn\u00fcm\u00fc<\/strong><\/strong><\/p>\n\n\n\n

Optimizasyon plan\u0131<\/strong><\/h3>\n\n\n\n

Yazar, yukar\u0131daki analiz arac\u0131l\u0131\u011f\u0131yla a\u015fa\u011f\u0131daki iki optimizasyon \u00e7\u00f6z\u00fcm\u00fcn\u00fc \u00f6nermektedir (bkz. \u015eekil 8).<\/p>\n\n\n\n

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

\u015eekil 8 Yedekleme silindiri optimizasyon plan\u0131<\/strong><\/strong><\/p>\n\n\n\n

\u0130ki optimizasyon plan\u0131nda da rulo uzunlu\u011fu ayn\u0131d\u0131r. D\u00f6n\u00fc\u015f\u00fcm gereksinimlerini kar\u015f\u0131lamak i\u00e7in orijinal tasar\u0131m "oluk" yap\u0131s\u0131n\u0131n iptal edilmesi ve yuvarlat\u0131lm\u0131\u015f bir R10 ge\u00e7i\u015fine de\u011fi\u015ftirilmesi \u00f6nerilir. Sadece rulo boynunun ve rulo g\u00f6vdesinin birle\u015fim noktas\u0131ndaki ge\u00e7i\u015f alan\u0131 farkl\u0131d\u0131r (bkz. \u015eekil 8 (b), (c)). \u015eema 1'in ge\u00e7i\u015f alan\u0131 R30 b\u00fcy\u00fck ark ge\u00e7i\u015fini benimser; \u015eema 2'nin ge\u00e7i\u015f alan\u0131 R40 ark ve 25'i benimser. E\u011fimli-R20 ark kapsaml\u0131 ge\u00e7i\u015f.<\/p>\n\n\n\n

Sonlu elemanlar analizi ve hesaplamas\u0131<\/strong><\/h2>\n\n\n\n

Bu makalede, d\u00f6rt se\u00e7ene\u011fi analiz etmek ve hesaplamak i\u00e7in b\u00fcy\u00fck \u00f6l\u00e7ekli m\u00fchendislik analiz yaz\u0131l\u0131m\u0131 Ansys\/Workbench kullan\u0131lm\u0131\u015ft\u0131r: kullan\u0131c\u0131n\u0131n orijinal tasar\u0131m\u0131, kullan\u0131c\u0131n\u0131n de\u011fi\u015ftirdi\u011fi tasar\u0131m, optimize edilmi\u015f tasar\u0131m 1 ve optimize edilmi\u015f tasar\u0131m 2.<\/p>\n\n\n\n

Modeli olu\u015fturun<\/strong><\/h3>\n\n\n\n

(1) \u00dc\u00e7 boyutlu kat\u0131 bir model olu\u015fturun<\/p>\n\n\n\n

Destek silindirinin yap\u0131s\u0131 ve y\u00fck \u00f6zelliklerine g\u00f6re, yazar modelleme i\u00e7in destek silindirinin d\u00f6rtte birini al\u0131r. Uygulanan y\u00fckleri ve k\u0131s\u0131tlamalar\u0131 ger\u00e7ek \u00e7al\u0131\u015fma ko\u015fullar\u0131na daha yak\u0131n hale getirmek i\u00e7in, d\u00f6rt s\u0131ral\u0131 silindirik yata\u011f\u0131n i\u00e7 halkas\u0131 ve yedek silindir entegre edilir ve ara silindirin ve yedek silindir yatak yuvas\u0131n\u0131n kat\u0131 modeli olu\u015fturulur (bkz. \u015eekil 9).<\/p>\n\n\n\n

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

\u015eekil 9 3D kat\u0131 model<\/strong><\/strong><\/p>\n\n\n\n

(2) A\u011f b\u00f6l\u00fcm\u00fc<\/p>\n\n\n\n

A\u011f, uzaysal hekzahedral elemanlar kullan\u0131larak b\u00f6l\u00fcnd\u00fc ve stres yo\u011funla\u015fmas\u0131n\u0131n meydana gelebilece\u011fi alanlarda rafine edildi. Toplam 1.674.559 d\u00fc\u011f\u00fcm ve 460.071 eleman elde edildi (bkz. \u015eekil 10). Bu model, \u00e7oklu temas g\u00f6vdelerinin do\u011frusal olmayan bir analiz modelidir.<\/p>\n\n\n\n

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

\u015eekil 10 Orijinal tasar\u0131m \u015femas\u0131n\u0131n a\u011f b\u00f6l\u00fcm\u00fc<\/strong><\/strong><\/p>\n\n\n\n

(3) S\u0131n\u0131r ko\u015fullar\u0131<\/p>\n\n\n\n

1) Ara silindir ile destek silindiri aras\u0131nda ve destek silindiri ile rulman yata\u011f\u0131 aras\u0131nda temas sa\u011flay\u0131n.<\/p>\n\n\n\n

2) Simetri d\u00fczlemine simetri k\u0131s\u0131tlamalar\u0131 uygulay\u0131n. Dikey sabit k\u0131s\u0131tlamalar ara silindirin alt\u0131na uygulan\u0131r.<\/p>\n\n\n\n

3) Yatak yuvas\u0131na 312,5 t'luk \u00e7eyrek yuvarlanma kuvveti uygulay\u0131n.<\/p>\n\n\n\n

Yazar orijinal tasar\u0131m \u015femas\u0131n\u0131n s\u0131n\u0131r ko\u015fullar\u0131n\u0131 verir (bkz. \u015eekil 11). S\u0131n\u0131r ko\u015fullar\u0131 ayn\u0131 oldu\u011fundan, di\u011fer \u00fc\u00e7 \u015feman\u0131n s\u0131n\u0131r ko\u015fullar\u0131 g\u00f6sterilmemi\u015ftir.<\/p>\n\n\n\n

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

\u015eekil 11 Orijinal tasar\u0131m \u015femas\u0131n\u0131n s\u0131n\u0131r ko\u015fullar\u0131<\/strong><\/p>\n\n\n\n

S\u0131n\u0131r ko\u015fullar\u0131 eklendikten sonra model temel olarak kurulmu\u015f olur ve hesaplama ko\u015fullar\u0131n\u0131 sa\u011flar.<\/p>\n\n\n\n

Analiz ve hesaplama<\/strong><\/h3>\n\n\n\n

Orijinal tasar\u0131m yap\u0131s\u0131n\u0131n hesaplanmas\u0131 ve analizi sonras\u0131nda, bir von-mises gerilim da\u011f\u0131l\u0131m bulut diyagram\u0131 elde edildi. Maksimum gerilim 358,57 MPa idi ve \u201coluk\u201dta g\u00f6r\u00fcld\u00fc (bkz. \u015eekil 12).<\/p>\n\n\n\n

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

\u015eekil 12 Orijinal yap\u0131n\u0131n stres bulutu diyagram\u0131<\/strong><\/strong><\/p>\n\n\n\n

Mevcut yap\u0131n\u0131n hesaplanmas\u0131 ve analizinden sonra, bir von-mises gerilim da\u011f\u0131l\u0131m bulut diyagram\u0131 elde edildi. Maksimum gerilim, "oluk"ta g\u00f6r\u00fclen 377.67 MPa idi (bkz. \u015eekil 13).<\/p>\n\n\n\n

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

\u015eekil 13 Mevcut yap\u0131n\u0131n stres bulutu diyagram\u0131<\/strong><\/strong><\/p>\n\n\n\n

Optimize edilmi\u015f tasar\u0131m \u015femas\u0131 1'in hesaplanmas\u0131 ve analizinden sonra, von-mises gerilim da\u011f\u0131l\u0131m bulut diyagram\u0131 elde edildi. Maksimum gerilim, silindir boynu ve silindir g\u00f6vdesinin birle\u015fim noktas\u0131ndaki ge\u00e7i\u015f alan\u0131nda g\u00f6r\u00fclen 325,3 MPa idi (bkz. \u015eekil 14). Optimize edilmi\u015f tasar\u0131m \u015femas\u0131 2'nin hesaplanmas\u0131 ve analizinden sonra, von-mises gerilim da\u011f\u0131l\u0131m bulut diyagram\u0131 elde edildi. Maksimum gerilim, silindir boynu ve silindir g\u00f6vdesinin birle\u015fim noktas\u0131ndaki ge\u00e7i\u015f alan\u0131nda g\u00f6r\u00fclen 287,85 MPa idi (bkz. \u015eekil 15).<\/p>\n\n\n\n

Yedek silindir i\u00e7in se\u00e7ilen malzeme YB-65 olup, akma dayan\u0131m\u0131 \u03c3s = 650 MPa olup, mandrelin maksimum gerilmesi ve g\u00fcvenlik fakt\u00f6r\u00fc buradan elde edilmi\u015ftir (bkz. Tablo 1). Kullan\u0131c\u0131n\u0131n modifikasyonundan sonra yedek silindirin g\u00fcvenlik fakt\u00f6r\u00fcn\u00fcn b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azald\u0131\u011f\u0131 ve bu nedenle yedek silindirin kullan\u0131lmas\u0131n\u0131n riskinin artt\u0131\u011f\u0131 g\u00f6r\u00fclebilir; optimum tasar\u0131m 2, optimum tasar\u0131m 1'den daha y\u00fcksek bir yap\u0131sal g\u00fcvenlik fakt\u00f6r\u00fcne sahipken, son kullan\u0131c\u0131 nihai \u00e7\u00f6z\u00fcm olarak optimum tasar\u0131m 2'yi belirlemi\u015ftir.<\/p>\n\n\n\n

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

\u015eekil 14 Optimize edilmi\u015f tasar\u0131m \u00e7\u00f6z\u00fcm\u00fcn\u00fcn stres bulutu diyagram\u0131 1<\/strong><\/p>\n\n\n\n

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

\u015eekil 15 Optimize edilmi\u015f tasar\u0131m se\u00e7ene\u011fi 2'nin stres bulutu diyagram\u0131<\/strong><\/strong><\/p>\n\n\n\n

Tablo 1 Farkl\u0131 y\u00fckler alt\u0131nda mandrel taraf\u0131ndan olu\u015fturulan maksimum gerilim<\/strong><\/p>\n\n\n\n

plan<\/td>Maksimum stres (MPa)<\/td>G\u00fcvenlik fakt\u00f6r\u00fc<\/td><\/tr>
\u00f6zg\u00fcn tasar\u0131m<\/td>358.57<\/td>1.81<\/td><\/tr>
mevcut yap\u0131<\/td>377.67<\/td>1.72<\/td><\/tr>
Optimize edilmi\u015f tasar\u0131m 1<\/td>325.3<\/td>2<\/td><\/tr>
Optimize edilmi\u015f tasar\u0131m 2<\/td>287.85<\/td>2.26<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u00c7\u00f6z\u00fcm<\/strong><\/h2>\n\n\n\n

Bu optimizasyon plan\u0131 fiili \u00fcretime ve uygulamaya al\u0131nm\u0131\u015f olup, bir daha silindir k\u0131r\u0131lmas\u0131 kazas\u0131 ya\u015fanmam\u0131\u015ft\u0131r.<\/p>\n\n\n\n

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

Abstract: The cause of the backup roll breakage accident in a cold rolling mill was analyzed, and an optimization plan was proposed. Finite element software was used to analyze and calculate the optimization plan. After the implementation of the optimization plan, no roll breakage accident occurred again. 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