14 Fatigue life prediction of the metalwork of a travelling gantry

14 Fatigue life prediction of the metalwork of a travelling gantry

ID:40357833

大小:361.79 KB

页数:11页

时间:2019-07-31

14 Fatigue life prediction of the metalwork of a travelling gantry_第1页
14 Fatigue life prediction of the metalwork of a travelling gantry_第2页
14 Fatigue life prediction of the metalwork of a travelling gantry_第3页
14 Fatigue life prediction of the metalwork of a travelling gantry_第4页
14 Fatigue life prediction of the metalwork of a travelling gantry_第5页
资源描述:

《14 Fatigue life prediction of the metalwork of a travelling gantry》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库

1、PERGAMONEngineeringFailureAnalysis5"0888#020030FatiguelifepredictionofthemetalworkofatravellinggantrycraneV[A[KopnovP[O[Box53Ekaterinbur`519096RussiaReceived2April0887^accepted18September0887AbstractIntrinsicfatiguecurvesareappliedtoafatiguelifepredictionprobl

2、emofthemetalworkofatravellinggantrycrane[Acraneusedintheforestindustrywasstudiedinworkingconditionsatalogyardandstrainmeasurementsweremade[Forthecalculationsofthenumberofloadingcyclestherain~owcyclecountingtechniqueisused[Theoperationsofasampleofsuchcraneswereobse

3、rvedforayearfortheaveragenumberofoperationcyclestobeobtained[Thefatiguefailureanalysishasshownthatfailuresofsomeelementsaresystematicinnatureandcannotbeexplainedbyrandomcauses[0888ElsevierScienceLtd[Allrightsreserved[Keywords]Cranes^Fatigueassessment^Straingauging

4、0[IntroductionFatiguefailuresofelementsofthemetalworkoftravellinggantrycranesLT51Bareobservedfrequentlyinoperation[Failuresasfatiguecracksinitiateandpropagateinweldedjointsofthecranebridgeandsupportsinthreefouryears[Suchcranesareusedintheforestindustryatlogyardsf

5、ortransferringfull!lengthandsawnlogstoroadtrainshavingaload!liftingcapacityof21tons[Morethan0999cranesofthistypeworkattheenterprisesoftheRussianforestindustry[Theproblemwasstatedto_ndtheweakestelementslimitingthecranes

6、livespredicttheirfatiguebehaviourandgiverecom

7、mendationstothemanufacturersforenhancingthelivesofthecranes[1[AnalysisofthecraneoperationFortheanalysisatravellinggantrycraneLT51BinstalledatlogyardintheEkaterinburgregionwaschosen[Thecraneservestwosawmillscreatesalogstoreandtransferslogstooroutofroadtrains[Aroadp

8、assesalongthelogstore[Thesawmillsareinstalledsothatthereceptionsitesareunderthecranespan[AschematicviewofthecraneisshowninFig[0[02495296:88:,!seefrontmatter0888ElsevierScienceLtd[Allrightsreserved[PII]S02495296"87#999306021V[A[Kopnov:En`ineerin`FailureAnalysis5

9、"0888#020030Fig[0[Aschematicviewofthecrane[Aseriesofassumptionsmaybemadeafterexaminingtheworkofcranes],ifthemonthlyremovaloflogsfromtheforestexceedsthe

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。