资源描述：
《联合模锻及轧制汽轮机叶轮成形工艺探究.doc》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。
1、联合模锻及轧制汽轮机叶轮成形工艺探究摘要：在汽轮机的实际运行过程当中，高压高温蒸汽能够在喷洒于叶片的过程中带动主轴，实现高速旋转。在这一过程当中，汽轮机叶轮所受作用力多来自于叶轮本身、主轴高速旋转过程中的离心力以及叶片重力影响，换句话来说，汽轮机叶轮在运行过程中会同时受到来自切向方向、径向方向、装配以及振动应力作用，从而致使力学性能各相关参数的重要性突出。与此同时，汽轮机叶轮受到作业环境特殊性的影响，为确保使用寿命的稳定性，还要求其抗高温、抗高压、抗腐蚀以及抗蠕变强度的结构特性。现阶段，如何低成本投入其高效率产出的对汽轮机叶轮进行成形作业，成为了现阶
2、段相关工作人员普遍关注的问题之一。基于此，本文以汽轮机叶轮的成形为研究对象，着眼于一种新型汽轮机叶轮成形工艺一一联合模锻与轧制汽轮机叶轮成形工艺，从徹粗与初成形工艺分析、冲孔工艺分析、轧制工艺分析以及锻件精整工艺分析这四个方面入手，对其进行了较为详细的分析与阐述，并据此论证了此种成形工艺在控制投入成本，提高产出效率，兼顾生态节能的过程中所发挥的重要作用与价值。关键词：联合模锻；轧制；汽轮机；叶轮；成形；徹粗;冲孔；精整；分析Abstract：intheactualoperationofthesteamturbine,high-temperatureh
3、igh-pressurestearncanintheprocessofbladespraytodrivethespindle,realizehighspeedrotating.Inthisprocess,thesteamturbineimpellerbyforcefromtheimpelleritselfmore,mainintheprocessofhighspeedrotatingcentrifugalforceandleafgravityaffecting,inotherwords,thestearnturbineimpellerinoperat
4、ionprocesswillalsosufferfromcuttodirection,radialdirection,assemblyandvibrationstresseffectandthemechanicalpropertiesoftheimportanceoftherelevantparametersoutstanding.Atthesametime,thestearnturbineimpelleristheinfluenceoftheoperationenvironmentparticularity,toensurethestability
5、oftheservicelife,alsorequireshisresistancetohightemperature,resistancetohighpressure,corrosionresistanceandthestrueturalcharacteristicsofcreepstrength.Atpresent,howtolowcostinvestmentitshighefficiencyofstearnturbineimpelleroutputforforminghomework,becometherelevantstaffatoneoft
6、hecommonconcernsfor.Basedonthis,thepapertotheformingofthesteamturbineimpellerastheresearchobject,focusonanewtypeofsteamturbineimpellerformingtechnology-jointdieforgingandrollingstearnturbineimpellerformingtechnology,fromupsettingearlyandformingprocessanalysis,punchingprocessana
7、lysis,rollingprocessanalysisandforgingtechnologyanalysisoffinishingthefouraspects,themoredetailedanalysisandexplained,andthendemonstratestheformingprocesscontrolinputincost,improveoutputefficiency,takeintoaccounttheecologicalenergy-savinginthecourseoftheplayanimportantroleandva
8、lue・Keywords：jointdieforging；Rolling；Stearnturbine；Imp
