简介:Atechnologyforcoldforgingofhelicalgearwithcrowningusingelasticdeformationofdie;Developmentofnewdrivingsystemsunroof;Effectofthegear-shapercuttergrindingon8surfaceonitsgeometryandprofileerrors;Mathematicalmodelandundercuttinganalysisofmodifiedhelicalgearswithsmallernumberofteeth;Predictingtheheat-treatresponseofacarburizedhelicalgear
简介:Aparametricmodellingapproachforthepreliminarydesignofautomotivediscbrakes;Apredictivetooltoevaluatediscbrakesquealpropensity-Part3:parametricdesignstudies;Apredictivetooltoevaluatediscbrakesquealpropensity-Part2:systemlinearisationandmodalanalysis;Apredictivetooltoevaluatediscbrakesquealpropensity-Part1:themodelphilosophyandthecontactproblem;Astudyofdiscbrakehighfrequencysquealsanddiscin-plane/out-of-planemodes……
简介:Analysisofautomotivediscbrakecoolingcharacteristics;Applicationoftheempiricalmodedecompositionmethodtotheidentificationofdiscbrakesqueal;Aspectsofdiscbrakejudder;Brakesquealanalysisincorporatingcontactconditionsandothernonlineareffects;Characteristicsofwearparticlesproducedduringfi'ictiontestsofconventionalandunconventionaldiscbrakematerials……
简介:Developmentofdiscbrakerotormaterialfortruckswiththermalcrackresistance;Developmentofdiscbrakerotorsforheavy-andmedium-dutytruckswithhighthermalfatiguestrength;DirectfiniteelementanalysisondiscbrakesquealusingtheABLEalgorithm;Discbrakejudderconsideringinstantaneousdiscthicknessandspatialfrictionvariation;Discbrakesqueal:Diagnosisandprevention
简介:目前盾构机作为挖掘隧道、地下通道、地下铁路的主力设备,越来越广泛地应用在国内外城市建设中。然而这个地下巨无霸的能源消耗也是巨大的,所以研究盾构机的驱动系统节能成了设计工程师工作的重要内容。现以6.28米盾构机旋转刀盘闭式液压驱动系统为研究对象,利用AMESim10软件构建该盾构机刀盘闭式液压驱动系统的仿真模型,并通过AMESim和Simulink的联合仿真,计算与分析了系统的节能特性。目前多数盾构机制造企业使用的是开式液压系统,其能量利用效率约是50%~55%,而闭式液压系统的传动效率可以达到65%~70%。这一结果通过所做的仿真得到了验证。