简介：摘要：操作员工在进行井口盘根调整或卫生清洁过程中，由于操作失误或注意力不集中，易发生操作者肢体伤残事件。发明一种新型抽油机井口防挤压装置可增加了操作人员在巡检过程中安全性，避免了不必要的人身伤害事故。。

简介：摘要绕丝挤压砾石充填防砂工艺在鲁明公司应用以来，取得了较好的效果，也显露出该工艺在部分井的不适应性、效果差等问题。本文通过引进先进的工艺技术和创新研究，对绕丝挤压充填防砂工艺进行了完善和改进，实现了防砂与解除地层堵塞同时进行的目的，提高了作业效率，节省了作业成本，同时增加了单井产量。

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简介：AstudyonhotextrusionofTi-6Al-4Vusingsimulationsandexperiments;Dampingcharacterizationofaluminiumcontaininginterconnectedwirereinforcementusinganovelfiequencydomainbasedmethod;DevelopmentofAl-Si-MgAlloysreinforcedwithBoronCarbideParticles;DevelopmentofAl-Si-MgAlloysreinforcedwithBoronCarbideParticles;

简介：Finiteelementinvestigationsupontheinfluenceofpocketdiedesignsonmetalflowinaluminiumextrusion-PartI.effectofpocketangleandvolumeonmetalflow,InfluenceoftheGeometryoftheExtrusionDieontheMeltStrengthofPolymers,Innovativemanufacturingtechniqueforglassmatrixcomposites:extrusionofrecycled.TVsetscreenglassreinforcedwithAl{sub}O{sub}3platelets,Measurementofdeformationofextrusiondieinhotextrusionofaluminum-deformationofextrusiondieinaluminumhotextrusionⅡ.

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简介：Asurveyofmanifolddesignsforflatdieextrusion；CermetDiesforHotExtrusionofHardAluminium；Clustercomputinginnumericalsimulationofextrusionflow；Computeraideddesignandmanufactureofstreamlinedextrusiondies；Depositionofhardfilmsonhot-workingsteeldiesforaluminium；DevelopmentofaremotequickCAEsystemonsculpturedmetalextrusiondiesurface；

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简介：AStudyofRadialGearExtrusion,Atheoreticalandexperimentalstudyoffrictioninmetalformingbytheuseoftheforwardextrusionprocess,Deepdrawingandimpactextrusionofmagnesiumalloysatroomtemperature,Effectsofdiegeometryandextrusionspeedonthecoldextrusionofaluminiumandleadalloys,FeatureextractionfromSTEP(ISO10303)CADdrawingfilesformetalformingprocessselectioninanintegrateddesignsystem,Formingfeaturerepresentationandprocessselectionincoldextrusion.

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简介：EffectsofaddingLa-richmischmetalonthemicrostructureandmechanicalpropertiesofhotextrudedMg-8Alalloys；Effectsofextrusionconditionsonhotextrudingcharacteristicsofmagnesiumalloy；Expertevaluationofhydraulicpressreliability；ExtrudabilityimprovementandenergyconsumptionestimationinAIextrusionprocessofa7003alloy;Fabricationofcompositepipesbymulti-billetextrusiontechnique

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简介：Aluminiumoxidedispersionstrengthenedcopperproducedbythermochemicalprocess；Aninvestigationonthehotextrusionprocessofmagnesiumalloysheet；ComparisonbetweenConventionalPMRouteandCastingMethodtoobtainAMCsReinforcedwithTi-AlParticles；CONFORMprocess:surfaceseparation,curlingandprocesscharacteristicstothewheeldiameter；Determinationofweldingpressureinthenon-steady-stateportholedieextrusionofimprovedAI7003hollowsectiontubes

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简介：摘要：本文阐述了25K、25T型铁道客车气动塞拉门防挤压功能的基本作用原理，通过对目前气动塞拉门防挤压力试验方法的长期跟踪和研究，以及分别使用弹簧秤、测力仪对气动塞拉门的防挤压力进行了测量和对比分析，提出了规范气动塞拉门防挤压力试验标准和方法的建议。

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