{"id":1411,"date":"2026-07-31T07:54:42","date_gmt":"2026-07-31T07:54:42","guid":{"rendered":"https:\/\/lift-cylinders.com\/?p=1411"},"modified":"2026-07-31T07:54:42","modified_gmt":"2026-07-31T07:54:42","slug":"mast-telescopic-cylinders-for-excavator-drilling-rigs","status":"publish","type":"post","link":"https:\/\/lift-cylinders.com\/tr\/application\/mast-telescopic-cylinders-for-excavator-drilling-rigs\/","title":{"rendered":"Ekskavat\u00f6r Sondaj Makineleri i\u00e7in Direk Tipi Teleskopik Silindirler"},"content":{"rendered":"
\n

<\/p>\n

\n
<\/div>\n
<\/div>\n
\n
\n
<\/div>\n

\u0130n\u015faat Makineleri Serisi \u00b7 Monografi XXVI<\/span><\/p>\n<\/div>\n

Ekskavat\u00f6r Sondaj Makineleri i\u00e7in Direk Tipi Teleskopik Silindirler<\/h1>\n

D\u00f6ner sondaj makineleri ve ekskavat\u00f6re monte edilmi\u015f temel sondaj ata\u015fmanlar\u0131, a\u011f\u0131r in\u015faat m\u00fchendisli\u011fi ve kaz\u0131k yap\u0131m\u0131nda temel tahrik unsurlar\u0131d\u0131r. Bu makineler, kaz\u0131 \u00e7ukurlar\u0131na derinlemesine uzanmas\u0131 ve ta\u015f\u0131ma i\u00e7in g\u00fcvenli bir \u015fekilde geri \u00e7ekilmesi gereken y\u00fcksek direkler kullan\u0131r. Bu uzun stroklu direk konumland\u0131rmas\u0131n\u0131 sa\u011flayan, son derece k\u0131s\u0131tl\u0131 bir kurulum alan\u0131 i\u00e7inde g\u00fc\u00e7lendirilmi\u015f itme ve \u00e7ekme kuvvetleri sa\u011flamak \u00fczere tasarlanm\u0131\u015f \u00e7ift etkili \u00e7ok kademeli teleskopik silindirlerdir. A\u011f\u0131r a\u015f\u0131nd\u0131r\u0131c\u0131 toz ortamlar\u0131nda s\u00fcrekli olarak \u00e7al\u0131\u015fan bu akt\u00fcat\u00f6rler, ciddi tribolojik zorluklarla kar\u015f\u0131 kar\u015f\u0131yad\u0131r. Bu kapsaml\u0131 m\u00fchendislik k\u0131lavuzu, \u00e7ift etkili teleskopik akt\u00fcasyonun mekani\u011fini, Q345D d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 yap\u0131sal metalurjiyi, y\u00fcksek partik\u00fcl maruziyeti alt\u0131nda kademeler aras\u0131 s\u0131v\u0131 s\u0131z\u0131nt\u0131s\u0131n\u0131n temel nedenlerini, sert krom tribolojisini ve a\u015f\u0131r\u0131 temel m\u00fchendisli\u011fi uygulamalar\u0131nda s\u0131f\u0131r s\u0131z\u0131nt\u0131 performans\u0131 sa\u011flamak i\u00e7in gereken geli\u015fmi\u015f \u00e7ok kademeli s\u0131zd\u0131rmazl\u0131k mimarilerini inceler.<\/p>\n

Q345D Yap\u0131sal Metalurji<\/span>
\n\u00c7ok A\u015famal\u0131 S\u0131zd\u0131rmazl\u0131k Dizisi<\/span>
\n\u00c7ift Etkili Teleskopik Kinematik<\/span><\/div>\n<\/div>\n<\/header>\n

 <\/p>\n

<\/p>\n

\n

Direk Teleskopik Silindirleri i\u00e7in M\u00fchendislik \u00d6zellikleri Matrisi<\/h2>\n

A\u015fa\u011f\u0131daki m\u00fchendislik parametreleri, ekskavat\u00f6r sondaj kulelerinde ve kaz\u0131k \u00e7akma ekipmanlar\u0131nda kullan\u0131lan \u00e7ift etkili \u00e7ok kademeli teleskopik silindirler 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>\n\u0130n\u015faat Makineleri Spesifikasyon Standard\u0131<\/th>\n<\/tr>\n<\/thead>\n
Ekipman Kategorisi ve Uygulamas\u0131<\/td>\n\u0130n\u015faat Makineleri \/ Ekskavat\u00f6r Sondaj Makineleri ve Temel Kaz\u0131k \u00c7akma Ekipmanlar\u0131<\/td>\n<\/tr>\n
Alt Sistem Hareket Profili<\/td>\nDirek Uzatma ve Geri \u00c7ekme \/ Uzun Strok Alet Konumland\u0131rma<\/td>\n<\/tr>\n
Hidrolik Silindir Ad\u0131<\/td>\nDirek Teleskopik Silindir (\u00c7ift Etkili Tip)<\/td>\n<\/tr>\n
Eylem Modu ve Yap\u0131sal Tip<\/td>\n\u00c7ift Etkili \u00c7ok Kademeli Teleskopik (Elektrikli \u0130tme Uzatma ve Elektrikli \u00c7ekme Geri \u00c7ekme)<\/td>\n<\/tr>\n
\u0130malat \u0130n\u015faat\u0131<\/td>\nA\u011f\u0131r Hizmet Tipi Robotik Kaynakl\u0131 Mimari (AWS D1.1 Uyumlu)<\/td>\n<\/tr>\n
Malzeme Sistemi Metalurjisi<\/td>\nQ345D D\u00fc\u015f\u00fck Ala\u015f\u0131ml\u0131 Y\u00fcksek Mukavemetli Yap\u0131sal \u00c7elik (GB\/T 1591 \/ EN 10025 S355J2)<\/td>\n<\/tr>\n
Y\u00fczey \u0130\u015fleme ve Kaplama<\/td>\nT\u00fcm i\u00e7 sahne k\u0131l\u0131flar\u0131nda hassas sert krom kaplama (30\u201345 \u03bcm).<\/td>\n<\/tr>\n
\u00c7evresel De\u011ferlendirme S\u0131n\u0131f\u0131<\/td>\nY\u00fcksek Partik\u00fcl\/Havada Bulunan Silika Tozu + \u00c7amur Kar\u0131\u015f\u0131m\u0131 + A\u011f\u0131r Darbeli Titre\u015fimler<\/td>\n<\/tr>\n
\u00c7al\u0131\u015fma Ko\u015fullar\u0131 Profili<\/td>\nUzun Strok Uzant\u0131s\u0131 (3.000 mm \u2013 8.000 mm) + Dinamik Yan Y\u00fckleme + Y\u00fcksek Bas\u0131n\u00e7<\/td>\n<\/tr>\n
Birincil Ar\u0131za Giderildi<\/td>\nKademeler Aras\u0131 Ya\u011f Ka\u00e7a\u011f\u0131, Conta Ekstr\u00fczyonu ve Partik\u00fcl Oluklanmas\u0131<\/td>\n<\/tr>\n
\u00d6nerilen M\u00fchendislik \u00d6nemli Noktalar\u0131<\/td>\nM\u00fchendislik \u00fcr\u00fcn\u00fc \u00e7ok a\u015famal\u0131 s\u0131zd\u0131rmazl\u0131k sistemi + a\u011f\u0131r hizmet tipi toz s\u0131y\u0131r\u0131c\u0131lar + PEEK ekstr\u00fczyon \u00f6nleyici malzeme<\/td>\n<\/tr>\n
Nominal \u00c7al\u0131\u015fma Bas\u0131nc\u0131<\/td>\n25,0 MPa - 31,5 MPa (250 \u2013 315 Bar) A\u011f\u0131r Hizmet Tipi Hidrolik Devre Bas\u0131nc\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Direk Uzatma Kinemati\u011fi ve \u00c7ift Etkili Teleskopik Dinamikleri<\/h2>\n

Temel m\u00fchendisli\u011finde, ekskavat\u00f6re monte edilmi\u015f sondaj makineleri, d\u00f6ner tahrik ba\u015fl\u0131\u011f\u0131n\u0131 ve Kelly \u00e7ubu\u011funu topra\u011f\u0131n derinliklerine y\u00f6nlendirmek i\u00e7in dikey bir direk yap\u0131s\u0131 kullan\u0131r. Uzun sondaj dizilerini bar\u0131nd\u0131r\u0131rken makinenin al\u00e7ak platformlu r\u00f6morkla ta\u015f\u0131nmas\u0131 i\u00e7in kompakt bir profile katlanmas\u0131na olanak sa\u011flamak i\u00e7in, direk yap\u0131s\u0131n\u0131n kendisi \u00f6nemli \u00f6l\u00e7\u00fcde uzayabilme \u00f6zelli\u011fine sahip olmal\u0131d\u0131r. Bu hareket, a\u011f\u0131r hizmet tipi motorlar taraf\u0131ndan sa\u011flan\u0131r. \u00e7ok kademeli teleskopik kald\u0131rma silindirleri<\/a>.<\/p>\n

Yer\u00e7ekimine ba\u011fl\u0131 olarak geri \u00e7ekilen (tek etkili) damperli kamyon kald\u0131rma silindirlerinin aksine, sondaj dire\u011fi silindirleri, s\u00fcrt\u00fcnmeyi, \u00e7amur emmesini ve mekanik s\u0131k\u0131\u015fmay\u0131 a\u015farak a\u011f\u0131r direk yap\u0131s\u0131n\u0131 zorla geri \u00e7ekmelidir. Bu nedenle, \u015fu \u015fekilde tasarlanm\u0131\u015flard\u0131r: \u00c7ift Etkili \u00c7ok Kademeli Teleskopik Silindirler<\/strong>.<\/p>\n

\"Teleskopik-hidrolik-kald\u0131rma-silindir-uygulamas\u0131-1\"<\/p>\n

S\u0131ral\u0131 Alan K\u00fc\u00e7\u00fcltme ve G\u00fc\u00e7lendirilmi\u015f Geri \u00c7ekme Kuvvetleri<\/h3>\n

\u00c7ift etkili teleskopik silindir, hidrolik bas\u0131nc\u0131 hem tam delik alan\u0131na (uzatma i\u00e7in) hem de kademe man\u015fonlar\u0131 aras\u0131ndaki halka \u015feklindeki alana (geri \u00e7ekme i\u00e7in) iletmek \u00fczere karma\u015f\u0131k i\u00e7 portlama kullan\u0131r. Uzatma s\u0131ras\u0131nda, hidrolik ya\u011f taban portuna akar ve \u00f6nce en b\u00fcy\u00fck kademenin tam alan\u0131na etki eder:<\/p>\n

Fit(i)<\/sub> = Pd\u0131\u015f<\/sub> \u00d7 Adelik(i)<\/sub> = Pd\u0131\u015f<\/sub> \u00d7 (\u03c0 \u00d7 Di\u00e7inde(i)<\/sub>2<\/sup> \/ 4)<\/div>\n

Geri \u00e7ekme s\u0131ras\u0131nda, bas\u0131n\u00e7l\u0131 ya\u011f, \u00e7ubuk ucundaki porta y\u00f6nlendirilerek, her bir kademenin d\u0131\u015f t\u00fcp duvar\u0131 ile i\u00e7 piston \u00e7ubu\u011fu aras\u0131ndaki halka \u015feklindeki hacmi doldurur. \u00c7ekme kuvveti (F)\u00e7ekmek<\/sub>Etkin alan\u0131n azalmas\u0131 nedeniyle itme kuvveti, itme kuvvetinden \u00f6nemli \u00f6l\u00e7\u00fcde daha d\u00fc\u015f\u00fckt\u00fcr:<\/p>\n

F\u00e7ekme(i)<\/sub> = Pret<\/sub> \u00d7 Ahalka(i)<\/sub> = Pret<\/sub> \u00d7 [\u03c0 \u00d7 (Di\u00e7inde(i)<\/sub>2<\/sup> - Dd\u0131\u015far\u0131da(i+1)<\/sub>2<\/sup>) \/ 4]<\/div>\n

Bu i\u00e7 mimari, her a\u015fama i\u00e7in birden fazla y\u00fcksek bas\u0131n\u00e7l\u0131 dinamik s\u0131zd\u0131rmazl\u0131k eleman\u0131 seti gerektirir: \u00e7evreye ya\u011f s\u0131z\u0131nt\u0131s\u0131n\u0131 \u00f6nlemek i\u00e7in harici bir salmastra s\u0131zd\u0131rmazl\u0131k paketi ve uzatma ve geri \u00e7ekme bas\u0131n\u00e7 odalar\u0131n\u0131 ay\u0131rmak i\u00e7in dahili bir piston s\u0131zd\u0131rmazl\u0131k paketi. Bu \u00e7oklu s\u0131zd\u0131rmazl\u0131k eleman\u0131 ba\u011f\u0131ml\u0131l\u0131\u011f\u0131, \u00e7ift etkili teleskopik silindirleri kirlenmeye ve bas\u0131n\u00e7 art\u0131\u015flar\u0131na kar\u015f\u0131 son derece hassas hale getirir.<\/p>\n

\"ana<\/div>\n<\/section>\n

<\/p>\n

\n

Ar\u0131za Nedeni Analizi: A\u015famalar Aras\u0131 Ya\u011f Ka\u00e7a\u011f\u0131<\/h2>\n

\u0130n\u015faat sahalar\u0131, a\u011f\u0131r makineleri havada u\u00e7u\u015fan yo\u011fun silika tozu, \u00e7imento tozu ve kaya par\u00e7alar\u0131 bulutlar\u0131na maruz b\u0131rakmaktad\u0131r. Saha m\u00fchendisli\u011fi verileri \u015funu g\u00f6stermektedir: Kademeler Aras\u0131 Ya\u011f Ka\u00e7a\u011f\u0131<\/strong>\u2014uzat\u0131lm\u0131\u015f kademe k\u0131l\u0131flar\u0131ndan hidrolik s\u0131v\u0131n\u0131n s\u0131zmas\u0131yla karakterize edilen\u2014 bu durum, y\u00fcksek tozlu ortamlarda \u00e7al\u0131\u015fan ekskavat\u00f6r sondaj kulesi direk silindirlerinde en s\u0131k g\u00f6r\u00fclen ar\u0131za modudur.<\/p>\n

\u00c7ift etkili \u00e7ok kademeli bir silindirin birden fazla dinamik s\u0131zd\u0131rmazl\u0131k aray\u00fcz\u00fcne sahip olmas\u0131 nedeniyle, tek bir salmastra contas\u0131n\u0131n ar\u0131zalanmas\u0131 an\u0131nda d\u0131\u015far\u0131ya s\u0131v\u0131 kayb\u0131na, direk konumland\u0131rma rijitli\u011finin kayb\u0131na ve ciddi \u00e7evresel kirlenmeye yol a\u00e7ar.<\/p>\n

1. Silika Tozu Giri\u015fi ve Conta Ta\u015flama Mekani\u011fi<\/h3>\n

Direk uzatma i\u015flemi s\u0131ras\u0131nda, uzun stroklu kademe man\u015fonlar\u0131 (genellikle 4 ila 8 metreye kadar uzan\u0131r) do\u011frudan sert in\u015faat ortam\u0131na maruz kal\u0131r. \u0130nce silika kumu (kuvars, sertlik 7 Mohs), sert krom kapl\u0131 man\u015fonlar \u00fczerindeki art\u0131k ya\u011flama ya\u011f\u0131 filmine yap\u0131\u015f\u0131r.<\/p>\n

Motorlu geri \u00e7ekme s\u0131ras\u0131nda, standart elastomer toz silecekleri, yo\u011fun partik\u00fcl hacmi kar\u015f\u0131s\u0131nda yetersiz kal\u0131r. Silika taneleri silecek duda\u011f\u0131n\u0131n alt\u0131na kayar ve daha yumu\u015fak poli\u00fcretan birincil dinamik contalara g\u00f6m\u00fcl\u00fcr. Bu g\u00f6m\u00fcl\u00fc par\u00e7ac\u0131klar z\u0131mpara ka\u011f\u0131d\u0131 gibi davranarak, dinamik s\u0131zd\u0131rmazl\u0131k duda\u011f\u0131 boyunca derin uzunlamas\u0131na mikro oluklar a\u00e7ar ve sert krom y\u00fczeyi \u00e7izerek y\u00fcksek bas\u0131n\u00e7l\u0131 ya\u011f\u0131n ge\u00e7mesi i\u00e7in a\u00e7\u0131k kanallar olu\u015fturur.<\/p>\n

\"asans\u00f6r-silindiri-ev-\u00fcr\u00fcn\u00fc-4\"<\/p>\n

2. Y\u00fcksek Bas\u0131n\u00e7l\u0131 Radyal Genle\u015fme ve Conta Ekstr\u00fczyonu<\/h3>\n

Ekskavat\u00f6r hidrolik devreleri y\u00fcksek bas\u0131n\u00e7larda (25,0 ila 31,5 MPa) \u00e7al\u0131\u015f\u0131r. Direk ani mekanik dirence maruz kald\u0131\u011f\u0131nda, bas\u0131n\u00e7 art\u0131\u015flar\u0131 silindir boyunca yay\u0131l\u0131r. \u0130nce duvarl\u0131 teleskopik kademe man\u015fonlar\u0131 elastik radyal genle\u015fmeye u\u011frar ve i\u00e7 man\u015fon ile d\u0131\u015f salmastra muhafazas\u0131 aras\u0131ndaki bo\u015fluk ge\u00e7ici olarak geni\u015fler.<\/p>\n

Bu a\u015f\u0131r\u0131 bas\u0131n\u00e7lar alt\u0131nda, standart bir poli\u00fcretan contan\u0131n topuk k\u0131sm\u0131 bu geni\u015flemi\u015f bo\u015flu\u011fa zorla (ekstr\u00fczyon yoluyla) sokulur. Bas\u0131n\u00e7 normale d\u00f6nd\u00fc\u011f\u00fcnde ve boru b\u00fcz\u00fcld\u00fc\u011f\u00fcnde veya ileri geri hareket s\u0131ras\u0131nda, ekstr\u00fczyon yoluyla sokulan conta malzemesi kopar; bu, contan\u0131n yap\u0131sal b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fc h\u0131zla yok eden ve b\u00fcy\u00fck miktarda ya\u011f s\u0131z\u0131nt\u0131s\u0131na yol a\u00e7an \"ekstr\u00fczyon kemirmesi\" olarak bilinen felaket bir ar\u0131zad\u0131r.<\/p>\n

\n
\n

1. Silika A\u015f\u0131nd\u0131r\u0131c\u0131 Parlatma<\/h4>\n

Havada u\u00e7u\u015fan kuvars tozu, standart silecekleri delerek yumu\u015fak contalara yerle\u015fir ve ana conta y\u00fczeyinde ve krom \u00e7ubukta mikro s\u0131z\u0131nt\u0131 yollar\u0131 a\u00e7ar.<\/p>\n<\/div>\n

\n

2. Radyal Boru Geni\u015fletme<\/h4>\n

Y\u00fcksek bas\u0131n\u00e7 art\u0131\u015flar\u0131 (31,5 MPa), ince cidarl\u0131 kademe borular\u0131n\u0131n radyal olarak gerilmesine ve kademeler aras\u0131 bo\u015fluklar\u0131n s\u0131zd\u0131rmazl\u0131k tasar\u0131m s\u0131n\u0131rlar\u0131n\u0131n \u00f6tesine geni\u015flemesine neden olur.<\/p>\n<\/div>\n

\n

3. Ekstr\u00fczyon Tala\u015flanmas\u0131<\/h4>\n

Yumu\u015fak conta topuklar\u0131, geni\u015fleyen bo\u015fluklara zorla sokulur ve direk hareketi s\u0131ras\u0131nda koparak dinamik contay\u0131 tahrip eder ve felaket niteli\u011finde s\u0131v\u0131 s\u0131z\u0131nt\u0131lar\u0131na neden olur.<\/p>\n<\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Yap\u0131sal Metalurji: Q345D \u00c7elik ve Krom Tribolojisi<\/h2>\n

Uzun stroklu uzatma alt\u0131nda radyal boru geni\u015flemesini azaltmak ve dire\u011fin burkulmas\u0131n\u0131 \u00f6nlemek i\u00e7in, ekskavat\u00f6r sondaj dire\u011fi silindirleri, ola\u011fan\u00fcst\u00fc y\u00fcksek akma dayan\u0131m\u0131na sahip malzemeler gerektirir. Standart d\u00fc\u015f\u00fck karbonlu \u00e7eliklerin (Q235B gibi) kullan\u0131lmas\u0131, a\u015f\u0131r\u0131 kal\u0131n boru duvarlar\u0131na yol a\u00e7arak teleskopik d\u00fczene\u011fin a\u011f\u0131rl\u0131\u011f\u0131n\u0131 a\u015f\u0131r\u0131 derecede art\u0131r\u0131r ve dire\u011fin ta\u015f\u0131ma kapasitesini s\u0131n\u0131rlar.<\/p>\n

Bu a\u011f\u0131r hizmet tipi teleskopik akt\u00fcat\u00f6rler, t\u00fcm i\u00e7 i\u00e7e ge\u00e7mi\u015f kademe borular\u0131 ve d\u0131\u015f g\u00f6vde muhafazas\u0131 i\u00e7in \u201cQ345D d\u00fc\u015f\u00fck ala\u015f\u0131ml\u0131 y\u00fcksek mukavemetli yap\u0131sal \u00e7elik\u201d (GB\/T 1591'e uygun, EN 10025-3 S355J2'ye e\u015fde\u011fer) kullanmaktad\u0131r.<\/p>\n

Y\u00fcksek Akma S\u0131n\u0131r\u0131 ve D\u00fc\u015f\u00fck S\u0131cakl\u0131k Dayan\u0131kl\u0131l\u0131\u011f\u0131<\/h3>\n

Q345D, akma dayan\u0131m\u0131 (\u03c3) elde etmek i\u00e7in Manganez (1,00 \u2013 1,60%) ve Silisyum i\u00e7eren mikro ala\u015f\u0131ml\u0131 ferrit-perlit yap\u0131s\u0131n\u0131 kullan\u0131r.S<\/sub>) \u2265 345 MPa ve nihai \u00e7ekme dayan\u0131m\u0131 (\u03c3B<\/sub>470 \u2013 630 MPa aral\u0131\u011f\u0131ndaki bu sa\u011flam akma dayan\u0131m\u0131, 31,5 MPa'l\u0131k bas\u0131n\u00e7 art\u0131\u015flar\u0131 s\u0131ras\u0131nda elastik halka geni\u015flemesini k\u0131s\u0131tlayarak, kademeler aras\u0131 bo\u015fluklar\u0131n dar kalmas\u0131n\u0131 sa\u011flar ve conta ekstr\u00fczyonunu do\u011frudan \u00f6nler.<\/p>\n

Ayr\u0131ca, \"D\" kalite s\u0131n\u0131fland\u0131rmas\u0131 Charpy V \u00e7entikli darbe dayan\u0131kl\u0131l\u0131\u011f\u0131n\u0131 garanti eder (Av<\/sub> -20\u00b0C'de \u2265 34 Joule) enerjiye sahip olan bu sistem, ince duvarl\u0131 kademe t\u00fcplerinin dondurucu k\u0131\u015f ortamlar\u0131nda a\u011f\u0131r sondaj titre\u015fimlerine maruz kald\u0131\u011f\u0131nda k\u0131r\u0131lgan bir \u015fekilde k\u0131r\u0131lmas\u0131n\u0131 \u00f6nler.<\/p>\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 (Normalle\u015ftirilmi\u015f)<\/td>\n\u2265 345 MPa<\/td>\n470 \u2013 630 MPa<\/td>\n\u2265 34 J @ -20\u00b0C<\/td>\n<\/tr>\n
27SiMn Y\u00fcksek Mukavemetli Ala\u015f\u0131ml\u0131 \u00c7elik<\/td>\n\u2265 800 MPa<\/td>\n\u2265 980 MPa<\/td>\n\u2265 39 J @ -20\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Kal\u0131n Sert Krom Y\u00fczey Kaplamas\u0131<\/h3>\n

Silika kaya tozunun a\u015f\u0131r\u0131 a\u015f\u0131nd\u0131r\u0131c\u0131 etkisine kar\u015f\u0131 koymak i\u00e7in, her bir Q345D teleskopik kademenin d\u0131\u015f \u00e7ap\u0131 hassas bir \u015fekilde ta\u015flanm\u0131\u015f (Ra \u2264 0,20 \u03bcm) ve 30 \u03bcm ila 45 \u03bcm kal\u0131nl\u0131\u011f\u0131nda mikro \u00e7atlakl\u0131 sert krom (sertlik 850-1000 HV) ile yo\u011fun bir \u015fekilde elektrolizle kaplanm\u0131\u015ft\u0131r. Bu ekstra kal\u0131n, ultra sert krom tabakas\u0131, uzun stroklu \u00e7al\u0131\u015fma s\u0131ras\u0131nda ince silika tanelerinin ana \u00e7eli\u011fe zarar vermesini \u00f6nleyen birincil bir z\u0131rh g\u00f6revi g\u00f6r\u00fcr.<\/p>\n<\/section>\n

<\/p>\n

\n

\u00d6nerilen Yap\u0131land\u0131rma: Geli\u015fmi\u015f \u00c7ok A\u015famal\u0131 S\u0131zd\u0131rmazl\u0131k<\/h2>\n
\"Sondaj<\/div>\n

Ekskavat\u00f6r direk silindirlerinde kademeler aras\u0131 s\u0131v\u0131 s\u0131z\u0131nt\u0131s\u0131n\u0131 ortadan kald\u0131rmak ve silika tozu a\u015f\u0131nmas\u0131na kar\u015f\u0131 koruma sa\u011flamak, standart tek dudakl\u0131 contalar\u0131n \u00f6tesine ge\u00e7meyi gerektirir. Bu a\u011f\u0131r hizmet tipi teleskopik akt\u00fcat\u00f6rler, her kademe salmastras\u0131n\u0131n i\u00e7ine yerle\u015ftirilmi\u015f, m\u00fchendislik \u00fcr\u00fcn\u00fc bir \"\u00c7ok Kademeli S\u0131zd\u0131rmazl\u0131k Dizisi\" ile donat\u0131lmal\u0131d\u0131r.<\/p>\n

M\u00fchendislik Y\u00f6ntemiyle \u00dcretilmi\u015f Bez Tribolojisi Paketi<\/h3>\n