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ID:32990742
大小:1.15 MB
页数:34页
时间:2019-02-18
《3800轧机主传动系统扭转振动分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第1I页武汉科技大学硕士学位论文AbstractThepaperwhichisbasedontheanalysisofthemaindrivesystemofthe3800reversingmillbelongtoaroughingmillgroupinthel畀rollingmillinXiangGangfocusonthetheoreticanalysisandexperimentalinvestigationofdynamicbehaviorofthemaindrivesystem.Someachievementsofthepaperalefo
2、llowing:1.Withtheaidofthesystemofcomputerdataacquisition,wetestthetorqueofthemaindrivesystemofupanddownrollersbelongto3800reversingrollintypicalconditionincludingthetorquesignalofvariousspecificationsandgradesofstrengthofbilletinnormalcondition.Accordingwiththeabovetestedsignal
3、,weanalyzethenaturalfrequencyoftorsionalvibrationandamplificationcoefficientofthemaindrivesystem.2.Calculatethenaturalfrequencyandmodeofthetorsionalvibrationmodelofthemaindrivesystemusinglumpedmassmethod.Whatismore,thesimulationanalysisthedynamicresponseofthemaindrivesysteminth
4、enormalconditioniscardedout.Theinfluenceofthebilletbitingtimeontorqueamplificationcoefficientisobtainedthroughabovesimulationanalysis.Atthesametime,thetheoreticcalculationconsistswimthesimulationanalysis.3.Investigatethemainreasonofintensifyingthetorsionalvibrationofthemaindriv
5、esystembyanalyzingthereasonsofaffectthetorsionalvibrationofthemaindrivesystem.11lehighspeedofrolling,resultinginshortbitingtime,isthemainreasonofcausingexcessivetorque.Accordingtotheanalysis,XiangGangmakesaimprovement,decreasingtheinstantaneousspeedwhenthebilletentersthemill,le
6、adingthelowfailurerateofequipmentsandtheimprovementofqualityandquantityoftheproduct.Inbrief,theimprovementbringsenormouseconomicbenefitsandsocialbenefits.武汉科技大学硕士学位论文第1II页目录摘要⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.1Abs缸act⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.
7、II第一章绪论⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.11.1传动系统扭振研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯21.2轧机主传动系统动力学研究现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯31.3课题提出背景⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯61.4技术线路⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯61.5本课题研究的目的和意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯7第二章轧机主传动系统测试及分析⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.1
8、测试方案⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯.82.2测试方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯
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