{"id":1378,"date":"2026-07-31T03:22:15","date_gmt":"2026-07-31T03:22:15","guid":{"rendered":"https:\/\/lift-cylinders.com\/?p=1378"},"modified":"2026-07-31T03:22:15","modified_gmt":"2026-07-31T03:22:15","slug":"telescopic-bed-lift-cylinders-for-agricultural-dump-trucks","status":"publish","type":"post","link":"https:\/\/lift-cylinders.com\/tr\/application\/telescopic-bed-lift-cylinders-for-agricultural-dump-trucks\/","title":{"rendered":"Tar\u0131m Kamyonlar\u0131 i\u00e7in Teleskopik Yatak Kald\u0131rma Silindirleri"},"content":{"rendered":"
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Tar\u0131m Ta\u015f\u0131ma Ekipmanlar\u0131 Serisi \u00b7 Monografi XVII<\/span><\/p>\n<\/div>\n

Tar\u0131m Kamyonlar\u0131 i\u00e7in Teleskopik Yatak Kald\u0131rma Silindirleri<\/h1>\n

Tar\u0131m damperli kamyonlar\u0131, tarla ta\u015f\u0131ma r\u00f6morklar\u0131 ve arazi tipi hasat damperleri, asfaltlanmam\u0131\u015f tarla arazilerinde a\u011f\u0131r tah\u0131l, \u0131slak kil, \u015feker pancar\u0131 ve organik g\u00fcbre y\u00fcklerini ta\u015f\u0131rken, ciddi mekanik talepler alt\u0131nda \u00e7al\u0131\u015f\u0131r. Devirme s\u0131ras\u0131nda, bu ara\u00e7lar hidrolik akt\u00fcat\u00f6rleri a\u015f\u0131r\u0131 dinamik bas\u0131n\u00e7 art\u0131\u015flar\u0131na ve yanal b\u00fck\u00fclme y\u00fcklerine maruz b\u0131rak\u0131r. Bu 2500 kelimeyi a\u015fk\u0131n m\u00fchendislik k\u0131lavuzu, tek etkili ve \u00e7ift etkili kaynakl\u0131 \u00e7ok kademeli teleskopik yatak kald\u0131rma silindirlerinin kapsaml\u0131 bir analizini sunmaktad\u0131r. Yumu\u015fak toprakta devirme kinemati\u011fini, 27SiMn ve 42CrMo ala\u015f\u0131ml\u0131 \u00e7elik metalurjisini, silindir g\u00f6vdesi boyuna \u00e7atlamas\u0131n\u0131n ve ya\u011f ke\u00e7esi patlamas\u0131n\u0131n temel nedenlerini, a\u011f\u0131r kal\u0131n duvarl\u0131 kovan mekani\u011fini, darbeye dayan\u0131kl\u0131 s\u0131zd\u0131rmazl\u0131k sistemlerini ve a\u015f\u0131nd\u0131r\u0131c\u0131 tar\u0131m ortamlar\u0131nda hayatta kalmak \u00fczere tasarlanm\u0131\u015f geli\u015ftirilmi\u015f k\u0131lavuz \u00f6rt\u00fc\u015fme tasar\u0131mlar\u0131n\u0131 inceliyoruz.<\/p>\n

27SiMn \/ 42CrMo Metalurjisi<\/span>
\nKal\u0131n Duvarl\u0131 Namlu Tasar\u0131m\u0131<\/span>
\nConta Patlamas\u0131n\u0131 \u00d6nleme<\/span><\/div>\n<\/div>\n<\/header>\n

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\nTar\u0131m Kamyonu Kald\u0131rma Silindirleri i\u00e7in M\u00fchendislik \u00d6zellikleri Matrisi<\/h2>\n

A\u015fa\u011f\u0131daki m\u00fchendislik parametreleri, tar\u0131msal damperli ara\u00e7larda kullan\u0131lan \u00e7ok kademeli teleskopik kasa kald\u0131rma silindirleri i\u00e7in gerekli yap\u0131sal, metalurjik, s\u0131zd\u0131rmazl\u0131k ve operasyonel \u00f6l\u00e7\u00fctleri belirler.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u00fchendislik Parametresi<\/th>\nTar\u0131m Ama\u00e7l\u0131 Damperli Kamyon Teknik \u00d6zellikler Standard\u0131<\/th>\n<\/tr>\n<\/thead>\n
Ekipman Kategorisi ve Uygulamas\u0131<\/td>\nTar\u0131m Ta\u015f\u0131ma Ara\u00e7lar\u0131 \/ Tar\u0131m Kamyonlar\u0131 ve Devrilme Kamyonlar\u0131<\/td>\n<\/tr>\n
Alt Sistem Hareket Profili<\/td>\nYatak Kald\u0131rma ve Kutu Devirme Sistemi \/ \u00c7ok Kademeli Do\u011frusal Uzatma Devresi<\/td>\n<\/tr>\n
Hidrolik Silindir Ad\u0131<\/td>\n\u00c7ok Kademeli Teleskopik Yatak Kald\u0131rma Silindiri (3 ila 5 Kademeli Man\u015fonlar)<\/td>\n<\/tr>\n
Eylem Modu ve Yap\u0131sal Tip<\/td>\nTek Etkili (Yer\u00e7ekimiyle Geri \u00c7ekme) veya \u00c7ift Etkili (Hidrolik \u0130tme\/\u00c7ekme)<\/td>\n<\/tr>\n
\u0130malat \u0130n\u015faat\u0131<\/td>\nTam Kaynakl\u0131 Taban Muhafazas\u0131 ve Mafsal Yaka Mimarisi<\/td>\n<\/tr>\n
Malzeme Sistemi Metalurjisi<\/td>\n27SiMn Diki\u015fsiz Ala\u015f\u0131ml\u0131 \u00c7elik Boru (GB\/T 17396) veya 42CrMo (GB\/T 3077)<\/td>\n<\/tr>\n
Y\u00fczey \u0130\u015fleme ve Kaplama<\/td>\nMikro \u00c7atlakl\u0131 Sert Krom Kaplama (30\u201340 \u03bcm) \/ Nikel-Krom \u00c7ok Katmanl\u0131<\/td>\n<\/tr>\n
\u00c7evresel De\u011ferlendirme S\u0131n\u0131f\u0131<\/td>\nA\u011f\u0131r Y\u00fck + Havada Bulunan Silika Tozu + \u00c7amur ve Bulama\u00e7l\u0131 Su + Organik Asit Maruziyeti<\/td>\n<\/tr>\n
\u00c7al\u0131\u015fma Ko\u015fullar\u0131 Profili<\/td>\nYap\u0131\u015fkan Bitki Y\u00fcklerinin Artmas\u0131 (Silaj, \u00c7amurlu K\u00f6kler) + 35 MPa'n\u0131n \u00dczerindeki Bas\u0131n\u00e7 Art\u0131\u015flar\u0131<\/td>\n<\/tr>\n
Birincil Ar\u0131za Giderildi<\/td>\nYa\u011f Ke\u00e7esi Patlamas\u0131\/Y\u0131rt\u0131lmas\u0131 ve Kademe Namlu Boyuna Yorulma \u00c7atla\u011f\u0131<\/td>\n<\/tr>\n
\u00d6nerilen M\u00fchendislik \u00d6nemli Noktalar\u0131<\/td>\nY\u00fcksek Kal\u0131n Duvarl\u0131 G\u00f6vde Oran\u0131 + Darbeye Dayan\u0131kl\u0131 Yast\u0131k Contalar\u0131 + Geli\u015ftirilmi\u015f \u00d6rt\u00fc\u015fme<\/td>\n<\/tr>\n
Nominal \u00c7al\u0131\u015fma Bas\u0131nc\u0131<\/td>\n18,0 MPa ila 25,0 MPa (180 \u2013 250 Bar) \u00c7al\u0131\u015fma Hidrolik Tahliye Bas\u0131nc\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

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\nTar\u0131msal Damperli Kasa Kinemati\u011fi ve \u00c7ok A\u015famal\u0131 Kald\u0131rma Dinami\u011fi<\/h2>\n

Tar\u0131m kamyonlar\u0131 ve trakt\u00f6rle \u00e7ekilen devrilme r\u00f6morklar\u0131, \u00e7ok \u00e7e\u015fitli d\u00f6kme tar\u0131m malzemeleri ta\u015f\u0131r. Y\u00fck yo\u011funluklar\u0131, hafif do\u011franm\u0131\u015f yem silaj\u0131ndan (300 ila 500 kg\/m\u00b3) yo\u011fun \u0131slak \u00fcst toprak, \u00e7ak\u0131l ve \u015feker pancar\u0131na (1.600 ila 2.200 kg\/m\u00b3) kadar \u00f6nemli \u00f6l\u00e7\u00fcde de\u011fi\u015fir. Tamamen y\u00fckl\u00fc 15 ila 30 tonluk bir damperli kasay\u0131 45 ila 50 derecelik bir bo\u015faltma e\u011fim a\u00e7\u0131s\u0131na kald\u0131rmak, \u00f6nemli bir hidrolik itme kuvveti gerektirir.<\/p>\n

Gerekli uzat\u0131lm\u0131\u015f strok uzunlu\u011funu (3.000 mm ila 5.500 mm) elde ederken damperli kasa \u00e7er\u00e7evesinin alt\u0131nda kompakt ve kapal\u0131 bir yap\u0131y\u0131 korumak i\u00e7in, tar\u0131m ara\u00e7lar\u0131 \u00fcreticileri \u00e7ok kademeli teleskopik sistemlere g\u00fcvenmektedir. hidrolik kald\u0131rma silindirleri<\/a>\u00d6n b\u00f6lmenin alt\u0131na (\u00f6n kald\u0131rma konfig\u00fcrasyonu) veya g\u00f6vdenin ortas\u0131na mafsal ba\u011flant\u0131lar\u0131na (alt g\u00f6vde konfig\u00fcrasyonu) monte edilen bu akt\u00fcat\u00f6rler, tek bir ana d\u0131\u015f silindir g\u00f6vdesi i\u00e7inde birden fazla boru \u015feklindeki kademe man\u015fonunu bar\u0131nd\u0131r\u0131r.<\/p>\n

Ard\u0131\u015f\u0131k Alan Azaltma ve Hidrolik \u0130tme Denklemleri<\/h3>\n

Teleskopik bir silindirde uzama s\u0131ras\u0131, etkili hidrolik y\u00fczey alan\u0131 taraf\u0131ndan belirlenir. Bas\u0131n\u00e7l\u0131 hidrolik ya\u011f silindir taban\u0131na girdi\u011finde, t\u00fcm kademe man\u015fonlar\u0131na etki eder. 1. Kademe en b\u00fcy\u00fck kesit alan\u0131na sahip oldu\u011fu i\u00e7in en y\u00fcksek itme kuvvetini \u00fcretir ve \u00f6nce uzar. 1. Kademe i\u00e7 mekanik durdurma halkas\u0131na ula\u015ft\u0131\u011f\u0131nda, 2. Kademe uzar, ard\u0131ndan 3. Kademe ve daha sonraki daha k\u00fc\u00e7\u00fck kademeler gelir.<\/p>\n

Hidrolik itme kuvveti Fitme(i)<\/sub> i. a\u015fama k\u0131l\u0131f\u0131nda olu\u015fturulan \u015fu \u015fekilde tan\u0131mlan\u0131r:<\/p>\n

Fitme(i)<\/sub> = Phidr<\/sub> \u00d7 Aa\u015fama(i)<\/sub> = Phidr<\/sub> \u00d7 (\u03c0 \u00d7 Da\u015fama(i)<\/sub>2<\/sup> \/ 4)<\/div>\n

P'nin bulundu\u011fu yerhidr<\/sub> hat bas\u0131nc\u0131 ve D'dir.a\u015fama(i)<\/sub> \u0130vme, kademe k\u0131l\u0131f\u0131n\u0131n etkin d\u0131\u015f \u00e7ap\u0131d\u0131r. Her k\u00fc\u00e7\u00fck kademe uzad\u0131k\u00e7a itme \u00e7\u0131k\u0131\u015f\u0131 kademeli olarak azal\u0131r. Bu kuvvet azalmas\u0131, devrilme geometrisiyle uyumludur: damper kutusu arka mente\u015fe pimleri \u00fczerinde yukar\u0131 do\u011fru e\u011fildik\u00e7e, \u00fcr\u00fcn y\u00fck\u00fcn\u00fcn a\u011f\u0131rl\u0131k merkezi ile arka mente\u015fe aras\u0131ndaki moment kolu mesafesi azal\u0131r ve malzeme arka kapaktan d\u0131\u015far\u0131 kayarak gerekli kald\u0131rma torkunu azalt\u0131r.<\/p>\n

\"Tar\u0131m<\/div>\n

Yap\u0131\u015fkan Bitki Y\u00fcklerinin Yerinden Edilmesinin Dinamikleri<\/h3>\n

Tar\u0131m ara\u00e7lar\u0131nda damperli kamyonlarda kar\u015f\u0131la\u015f\u0131lan ciddi bir operasyonel zorluk, \u0131slak g\u00fcbre, donmu\u015f silaj veya \u00e7amurlu \u015feker pancar\u0131 gibi yap\u0131\u015fkan malzemelerin ta\u015f\u0131nmas\u0131 s\u0131ras\u0131nda ortaya \u00e7\u0131kar. Bu malzemeler \u00e7elik damper g\u00f6vdesinin \u00f6n k\u00f6\u015felerine yap\u0131\u015f\u0131r. Operat\u00f6r kald\u0131rma kontrol valfini devreye soktu\u011funda, bu statik yap\u0131\u015fmay\u0131 a\u015fmak i\u00e7in hidrolik bas\u0131n\u00e7 h\u0131zla y\u00fckselir.<\/p>\n

S\u0131k\u0131\u015fan y\u00fck aniden serbest kal\u0131p geriye do\u011fru kayd\u0131\u011f\u0131nda, \u00f6n k\u00fctlenin kayb\u0131 h\u0131zl\u0131 bir momentum de\u011fi\u015fimine neden olur. Bu y\u00fck s\u0131\u00e7ramas\u0131 dinamik bas\u0131n\u00e7 art\u0131\u015flar\u0131n\u0131 (P) iletir.ani y\u00fckseli\u015f<\/sub> Ya\u011f kolonundan ge\u00e7en (> 35,0 MPa) bas\u0131n\u00e7, silindir g\u00f6vdelerini ve kademe salmastra contalar\u0131n\u0131 \u015fiddetli darbe y\u00fck\u00fcne maruz b\u0131rak\u0131r.<\/p>\n<\/section>\n

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\nAr\u0131zan\u0131n Temel Nedeni Analizi: Ya\u011f Ke\u00e7esi Patlamas\u0131 ve Namlu \u00c7atlamas\u0131<\/h2>\n

Tar\u0131m alan\u0131ndaki saha \u00e7al\u0131\u015fmalar\u0131nda, teleskopik silindirler \u015fiddetli \u015fok y\u00fcklerine ve yanal b\u00fck\u00fclmelere maruz kal\u0131r. Saha ar\u0131za raporlar\u0131, iki ana yap\u0131sal ar\u0131za modunu g\u00f6stermektedir: A\u015famalar Aras\u0131 Ya\u011f Ke\u00e7esi Patlamas\u0131 (\u6cb9\u5c01\u7206\u88c2)<\/strong> Ve Silindir Namlusunun Boyuna Yorulma \u00c7atlamas\u0131 (\u7f38\u7b52\u88c2\u7eb9)<\/strong>.<\/p>\n

Bu ar\u0131zalar\u0131 anlamak, dinamik hidrolik bas\u0131n\u00e7 art\u0131\u015flar\u0131, elastik namlu geni\u015flemesi ve yumu\u015fak saha zeminindeki yanal b\u00fck\u00fclme momentleri aras\u0131ndaki etkile\u015fimi analiz etmeyi gerektirir.<\/p>\n

1. Namlu Geni\u015flemesi ve Ya\u011f Ke\u00e7esi Patlamas\u0131n\u0131n Fizi\u011fi (\u6cb9\u5c01\u7206\u88c2)<\/h3>\n

Teleskopik silindir kademeleri, nispeten ince duvarl\u0131 i\u00e7 i\u00e7e ge\u00e7mi\u015f t\u00fcplerden olu\u015fur. Dinamik bir bas\u0131n\u00e7 art\u0131\u015f\u0131 (P) meydana geldi\u011findeani y\u00fckseli\u015f<\/sub> \u0130lk y\u00fck\u00fcn yerinden kalkmas\u0131 s\u0131ras\u0131nda (\u2265 35,0 MPa) meydana gelen bas\u0131n\u00e7ta, d\u0131\u015f ana kademe k\u0131l\u0131f\u0131, elastik radyal halka geni\u015flemesine (\u0394r) u\u011frayan bir bas\u0131n\u00e7 kab\u0131 gibi davran\u0131r.varil<\/sub>):<\/p>\n

\u0394rvaril<\/sub> = (Pani y\u00fckseli\u015f<\/sub> \u00d7 Ri\u00e7eri<\/sub>2<\/sup>) \/ (E \u00d7 tduvar<\/sub>)<\/div>\n

R'nin bulundu\u011fu yeri\u00e7eri<\/sub> r i\u00e7 boru yar\u0131\u00e7ap\u0131, E \u00e7eli\u011fin elastik mod\u00fcl\u00fc (206 GPa) ve tduvar<\/sub> t, boru duvar kal\u0131nl\u0131\u011f\u0131d\u0131r. E\u011fer duvar kal\u0131nl\u0131\u011f\u0131 t iseduvar<\/sub> Boyut yetersiz ise, radyal geni\u015fleme salmastra contas\u0131n\u0131n arkas\u0131ndaki bo\u015flu\u011fu geni\u015fletir.<\/p>\n

Y\u00fcksek hidrolik bas\u0131n\u00e7 alt\u0131nda, standart poli\u00fcretan elastomer contalar bu geni\u015flemi\u015f bo\u015flu\u011fa do\u011fru d\u0131\u015far\u0131 do\u011fru itilir. Platform geri \u00e7ekilirken, contan\u0131n keskin metal kenar\u0131, d\u0131\u015far\u0131 do\u011fru itilen conta topu\u011funun par\u00e7alar\u0131n\u0131 keser; bu i\u015fleme \"ekstr\u00fczyon kemirmesi\" denir. Tekrarlanan \u015fok d\u00f6ng\u00fcleri alt\u0131nda, conta topu\u011fu yap\u0131sal deste\u011fini kaybeder ve bunun sonucunda y\u00fcksek bas\u0131n\u00e7l\u0131 ya\u011f, conta duda\u011f\u0131n\u0131 y\u0131rtarak (felaket conta patlamas\u0131) kamyon \u015fasisine hidrolik ya\u011f p\u00fcsk\u00fcrt\u00fcr.<\/p>\n

\"\u00c7ok<\/div>\n

2. \u00c7ember Gerilme Yo\u011funla\u015fmas\u0131 ve Namlu Boyuna \u00c7atlamas\u0131 (\u7f38\u7b52\u88c2\u7eb9)<\/h3>\n

Ayn\u0131 anda, diki\u015fsiz sahne t\u00fcp\u00fcn\u00fcn i\u00e7 duvar\u0131 \u015fiddetli \u00e7evresel halka gerilimine (\u03c3) maruz kal\u0131r.\u00e7ember<\/sub>):<\/p>\n

\u03c3\u00e7ember<\/sub> = (Pani y\u00fckseli\u015f<\/sub> \u00d7 Di\u00e7eri<\/sub>) \/ (2 \u00d7 tduvar<\/sub>)<\/div>\n

Tar\u0131m ara\u00e7lar\u0131 a\u011f\u0131r y\u00fcklerini yumu\u015fak ve engebeli zemine bo\u015faltt\u0131\u011f\u0131nda, yanal e\u011filme kuvvetleri ek e\u011filme gerilimi (\u03c3) olu\u015fturur.b\u00fckme<\/sub>) uzat\u0131lm\u0131\u015f kademe borular\u0131 boyunca. Birle\u015fik halka gerilimi ve e\u011filme gerilimi, akma dayan\u0131m\u0131n\u0131 (\u03c3) a\u015fabilir.y<\/sub>) veya standart karbon \u00e7elik borunun yorulma s\u0131n\u0131r\u0131. Mikro \u00e7atlaklar i\u00e7 boru deli\u011finde ba\u015flar ve binlerce devrilme d\u00f6ng\u00fcs\u00fc boyunca d\u0131\u015fa do\u011fru yay\u0131l\u0131r, ta ki boylamas\u0131na bir yorulma \u00e7atla\u011f\u0131 kademe duvar\u0131n\u0131 yar\u0131p a\u00e7ana kadar.<\/p>\n

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Dinamik Bas\u0131n\u00e7 \u015eoku<\/h4>\n

Yap\u0131\u015fkan \u00fcr\u00fcn y\u00fcklerinin yerinden s\u00f6k\u00fclmesi, 35,0 MPa'n\u0131n \u00fczerinde \u015fiddetli bas\u0131n\u00e7 art\u0131\u015flar\u0131na neden olarak ince duvarl\u0131 kademe borular\u0131n\u0131n radyal olarak geni\u015flemesine ve contalar\u0131n a\u015f\u0131r\u0131 gerilmesine yol a\u00e7ar.<\/p>\n<\/div>\n

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Conta Topu\u011fu Ekstr\u00fczyonu ve Y\u0131rt\u0131lmas\u0131<\/h4>\n

Geni\u015fleyen bo\u015fluklar, yumu\u015fak conta topuklar\u0131n\u0131n bas\u0131n\u00e7 alt\u0131nda d\u0131\u015far\u0131 \u00e7\u0131kmas\u0131na olanak tan\u0131r. Tekrarlanan d\u00f6ng\u00fcler, duda\u011f\u0131n y\u0131rt\u0131l\u0131p patlamas\u0131na kadar contan\u0131n arka k\u0131sm\u0131n\u0131 a\u015f\u0131nd\u0131r\u0131r.<\/p>\n<\/div>\n

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Boyuna T\u00fcp B\u00f6lme<\/h4>\n

Y\u00fcksek \u00e7evresel gerilim ve yanal b\u00fckme y\u00fcklerinin birle\u015fimi, \u00e7eli\u011fin yorulma s\u0131n\u0131rlar\u0131n\u0131 a\u015farak namlu duvar\u0131n\u0131 yar\u0131p a\u00e7an i\u00e7 delikte mikro \u00e7atlaklara neden olur.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

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\nYap\u0131sal Metalurji: 27SiMn ve 42CrMo Ala\u015f\u0131ml\u0131 \u00c7elik Sistemleri<\/h2>\n

A\u011f\u0131r tar\u0131msal devrilme y\u00fckleri alt\u0131nda silindir \u00e7atlamas\u0131n\u0131 ve kademe kovan\u0131n\u0131n b\u00fck\u00fclmesini \u00f6nlemek i\u00e7in y\u00fcksek \u00e7ekirdek akma dayan\u0131m\u0131 ve yorulma direnci gereklidir. Standart yap\u0131sal karbon \u00e7elikleri (\u00f6rne\u011fin Q235B veya AISI 1020) yakla\u015f\u0131k 235 MPa akma dayan\u0131m\u0131 sunar ve bu da onlar\u0131 a\u011f\u0131r \u00e7ok kademeli teleskopik silindirler i\u00e7in uygunsuz hale getirir.<\/p>\n

Y\u00fcksek performansl\u0131 tar\u0131msal bo\u015faltma silindirleri, \u201c27SiMn\u201d (GB\/T 17396'ya g\u00f6re Silikon-Mangan ala\u015f\u0131ml\u0131 \u00e7elik) veya \u201c42CrMo\u201d (GB\/T 3077 \/ AISI 4140'a g\u00f6re Krom-Molibden ala\u015f\u0131ml\u0131 \u00e7elik) malzemelerinden \u00fcretilmi\u015f, so\u011fuk \u00e7ekilmi\u015f, normalle\u015ftirilmi\u015f veya su verilip temperlenmi\u015f diki\u015fsiz ala\u015f\u0131ml\u0131 borular kullan\u0131r.<\/p>\n

1. 27SiMn Ala\u015f\u0131ml\u0131 \u00c7elik Sistemi (Silikon-Mangan Metalurjisi)<\/h3>\n

27SiMn, teleskopik hidrolik silindir g\u00f6vdeleri i\u00e7in yayg\u0131n olarak kullan\u0131lan y\u00fcksek mukavemetli yap\u0131sal ala\u015f\u0131ml\u0131 bir \u00e7eliktir. Kimyasal form\u00fclasyonu, Silikon (1,10 \u2013 1,40%) ve Manganez (1,10 \u2013 1,40%) ile Karbon (0,24 \u2013 0,32%) aras\u0131nda bir denge sa\u011flar. Silikon, akma dayan\u0131m\u0131n\u0131 ve elastik limiti y\u00fckseltirken, Manganez kal\u0131n boru duvarlar\u0131 boyunca sertle\u015febilirli\u011fi art\u0131r\u0131r.<\/p>\n

Su verme ve temperleme (Q&T) i\u015fleminden sonra, 27SiMn bir akma dayan\u0131m\u0131 (\u03c3) verir.S<\/sub>) \u2265 800 MPa ve nihai \u00e7ekme dayan\u0131m\u0131 (\u03c3B<\/sub>) \u2265 980 MPa, bas\u0131nca ba\u011fl\u0131 radyal geni\u015flemeye kar\u015f\u0131 m\u00fckemmel diren\u00e7 sa\u011flar.<\/p>\n

2. 42CrMo Ala\u015f\u0131ml\u0131 \u00c7elik Sistemi (A\u015f\u0131r\u0131 A\u011f\u0131r Hizmet Uygulamalar\u0131)<\/h3>\n

E\u011fimli arazide \u00e7al\u0131\u015fan ultra a\u011f\u0131r tar\u0131m kamyonlar\u0131 i\u00e7in, t\u00fcm kademe kovanlar\u0131nda 42CrMo ala\u015f\u0131ml\u0131 \u00e7elik kullan\u0131lmaktad\u0131r. Krom (0,90 \u2013 1,20%) ve Molibden (0,15 \u2013 0,25%) ilaveleri, \u00fcst\u00fcn sertle\u015febilirlik, yorulma dayan\u0131m\u0131 ve s\u0131f\u0131r\u0131n alt\u0131ndaki darbe dayan\u0131kl\u0131l\u0131\u011f\u0131 (\u2265 45 J, -20\u00b0C'de) sa\u011flar.<\/p>\n

Sertle\u015ftirme ve temperleme i\u015flemine tabi tutulmu\u015f 42CrMo, akma dayan\u0131m\u0131na (\u03c3) ula\u015f\u0131r.0.2<\/sub>) \u2265 850 MPa, bu sayede sahne k\u0131l\u0131flar\u0131 \u015fiddetli yan y\u00fckler alt\u0131nda elastik olarak esneyebilir ve kal\u0131c\u0131 b\u00fck\u00fclme olmadan m\u00fckemmel d\u00fczl\u00fc\u011f\u00fcne geri d\u00f6nebilir.<\/p>\n

\n\n\n\n\n\n\n\n\n
\u00c7elik Malzeme Kalitesi<\/th>\nAkma Mukavemeti (\u03c3S<\/sub>)<\/th>\n\u00c7ekme Mukavemeti (\u03c3B<\/sub>)<\/th>\nCharpy Darbe Enerjisi (-20\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n
Q235B (Standart Karbon \u00c7eli\u011fi)<\/td>\n\u2265 235 MPa<\/td>\n370 \u2013 500 MPa<\/td>\n\u2264 20 J @ +20\u00b0C<\/td>\n<\/tr>\n
Q345D (D\u00fc\u015f\u00fck Ala\u015f\u0131ml\u0131 \u00c7elik)<\/td>\n\u2265 345 MPa<\/td>\n470 \u2013 630 MPa<\/td>\n\u2265 34 J @ -20\u00b0C<\/td>\n<\/tr>\n
27SiMn Ala\u015f\u0131ml\u0131 \u00c7elik (Q&T)<\/td>\n\u2265 800 MPa<\/td>\n\u2265 980 MPa<\/td>\n\u2265 39 J @ -20\u00b0C<\/td>\n<\/tr>\n
42CrMo Ala\u015f\u0131ml\u0131 \u00c7elik (Q&T)<\/td>\n\u2265 850 MPa<\/td>\n\u2265 1000 MPa<\/td>\n\u2265 45 J @ -20\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u00c7ok Katmanl\u0131 Nikel-Krom Y\u00fczey Koruma<\/h3>\n

Her bir 27SiMn veya 42CrMo kademe k\u0131l\u0131f\u0131n\u0131n d\u0131\u015f y\u00fczeyi hassas bir \u015fekilde ta\u015flanm\u0131\u015f ve 30 \u03bcm ila 40 \u03bcm kal\u0131nl\u0131\u011f\u0131nda mikro \u00e7atlakl\u0131 sert krom veya \u00e7ift katmanl\u0131 Nikel-Krom kaplama ile elektrolizle kaplanm\u0131\u015ft\u0131r. Nikel alt tabaka nemi ve organik asitleri (s\u0131v\u0131 g\u00fcbre ve g\u00fcbre ak\u0131nt\u0131s\u0131ndan kaynaklanan) engellerken, d\u0131\u015ftaki sert krom tabaka 58 ila 62 HRC aras\u0131nda bir y\u00fczey sertli\u011fi sa\u011flayarak havada u\u00e7u\u015fan kum ve tarla \u00e7amurundan kaynaklanan a\u015f\u0131nd\u0131r\u0131c\u0131 \u00e7iziklere kar\u015f\u0131 diren\u00e7 g\u00f6sterir.<\/p>\n<\/section>\n

<\/p>\n

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\n\u00d6nerilen Konfig\u00fcrasyon: Kal\u0131n Duvarl\u0131 Man\u015fonlar, Darbe Contalar\u0131 ve Uzat\u0131lm\u0131\u015f K\u0131lavuzlama<\/h2>\n
\"Tar\u0131m<\/div>\n

Tar\u0131m ara\u00e7lar\u0131nda ya\u011f ke\u00e7esi patlamas\u0131n\u0131 ve kademeli silindir \u00e7atlamas\u0131n\u0131 ortadan kald\u0131rmak i\u00e7in, \u00fc\u00e7 yap\u0131sal iyile\u015ftirme i\u00e7eren m\u00fchendislik \u00fcr\u00fcn\u00fc bir \u201cA\u011f\u0131r Hizmet Tipi \u00c7ok Kademeli Konfig\u00fcrasyon Paketi\u201d gereklidir: \u201cKal\u0131n Duvarl\u0131 Man\u015fon Oranlar\u0131\u201d, \u201cDarbeye Dayan\u0131kl\u0131 Yast\u0131klama S\u0131zd\u0131rmazl\u0131k Dizileri\u201d ve \u201cGeli\u015ftirilmi\u015f K\u0131lavuz \u00d6rt\u00fc\u015fmesi\u201d.<\/p>\n

1. Kal\u0131n Duvarl\u0131 K\u0131l\u0131f Geometrisi<\/h3>\n

35 MPa ve \u00fczeri bas\u0131n\u00e7 art\u0131\u015flar\u0131nda elastik namlu geni\u015flemesini \u00f6nlemek i\u00e7in, kademe k\u0131l\u0131f\u0131 duvar kal\u0131nl\u0131\u011f\u0131 tduvar<\/sub> Lam\u00e9'nin kal\u0131n duvar denklemleri kullan\u0131larak, duvar oran\u0131 (K = D) korunarak hesaplan\u0131r.d\u0131\u015ftan<\/sub> \/ Di\u00e7eri<\/sub> \u2265 1,30). Duvar kal\u0131nl\u0131\u011f\u0131n\u0131n artmas\u0131, tepe \u00e7evresel gerilimini (\u03c3) azalt\u0131r.\u00e7ember<\/sub>) ve radyal geni\u015flemeyi k\u0131s\u0131tlar (\u0394rvaril<\/sub>) 0,02 mm'den daha az olacak \u015fekilde, bas\u0131n\u00e7 art\u0131\u015flar\u0131 alt\u0131nda salmastra a\u00e7\u0131kl\u0131klar\u0131n\u0131 s\u0131k\u0131 tutar.<\/p>\n

2. Darbeye Dayan\u0131kl\u0131 Yast\u0131klama S\u0131zd\u0131rmazl\u0131k Mimarisi<\/h3>\n

Her kademe salmastra, dinamik bas\u0131n\u00e7 \u015foklar\u0131n\u0131 absorbe etmek \u00fczere tasarlanm\u0131\u015f, m\u00fchendislik \u00fcr\u00fcn\u00fc \u00e7ok bile\u015fenli bir s\u0131zd\u0131rmazl\u0131k paketi kullan\u0131r:<\/p>\n