开卷机设计校核分析(毕设说明书)

本科毕业设计（论文）900mm平整机组开卷机结构设计（杨爱文）燕山大学2011年6月本科毕业设计（论文）900mm平整机组开卷机结构设计学院（系）：机械工程学院专业：轧钢专业学生姓名：杨爱文学号：070101010046指导教师：王东城答辩日期：2011-6-24燕山大学毕业设计（论文）任务书学院：系级教学单位：学号学生姓名专业班级题目题目名称题目性质1.理工类：工程设计（）；工程技术实验研究型（）；理论研究型（）；计算机软件型（）；综合型（）2.管理类（）；3.外语类（）；4.艺术类（）题目类型1.毕业设计（）2.论文（）题目来源科研课题（）生产实际（）自选题目（）主要内容基本要求参考资料周次第～周第～周第～周第～周第～周应完成的内容指导教师：职称：年月日系级教学单位审批：年月日注：表题黑体小三号字，内容五号字，行距18磅。（此行文字阅后删除）摘要I摘要冷轧带钢的开卷绝大多数采用筒式开卷机，其设备配置较为简单，主要由筒及其传动系统，压紧辊，活动支撑和推卷、卸卷等装置组成。该开卷机保证卷取的恒定张力，提高了带钢的表面质量。开卷机是成卷轧制和带材精整机组中的重要设备。在可逆式冷、热轧带材轧机的前后均装有开卷机，在不可逆冷、热轧带材轧机以及某些精整作业线上的出口端也装设带材开卷机。开卷机有很大的张力以保证降低轧制压力，减少带钢翘曲现象，从而提高带钢产品质量。全文阐述了四斜楔冷轧带钢卷取机的工作原理和结构设计的基本思想，同时对在应用过程中出现的一些问题进行了综合分析并列出了一些解决方法。最后翻译了与课题相关的外文资料并完成了本次设计。关键词:开卷机，卷筒，张力燕山大学本科生毕业设计（论文）IIAbstractOneofthedecoilingbeltedsteelfetchestheoverwhelmingmajorityandadoptsreeltypeafetchingmachine,itsdevicelayoutiscomparativelysimple,bythereelandtransmissionmainly,compresstightlytheroller,supportandpushesone,unloadthedevices,suchasone,etc.tomakeupinactivity.Theintensityofcarryingonthemajorpartiscalculated,andcarryontheeconomicbenefitsoftherollingmillandappraise.Thisfetchingmachineadoptstheadjustablespeedelectricalmachineryofdirectcurrent,guaranteeainvariabletensionfetched,haveimprovedthesurfacequalitywithsteel.Thewholecharactersexpatiatesthetheoryofthemachine,andadducesomemethodfortheproblemappearingintheproductatthesametime.Atlasttranslatedsomedatuminforeignlanguage,accomplishedthisproject.Keywords:decoilingunit,drum,tensionIII目录摘要.......................................................................................................................IAbstract................................................................................................................II第1章绪论........................................................................................................1第2章开卷机的概念和发展趋势....................................................................32.1选题的背景和目的..............................................................................32.2开卷机的概述.......................................................................................32.3开卷机的结构.......................................................................................42.3.1单筒可胀缩开卷机...........................................................................42.3.2双锥头无胀缩开卷机.......................................................................62.3.3双圆柱头可胀缩开卷机...................................................................72.4开卷机的发展趋势...............................................................................9第3章简介主要参数及结构特点...................................................................113.1主要参数.............................................................................................113.2结构原理..............................................................................................11第4章参数的计算与选择............................................................................134.1卷筒的主要参数确定.......................................................................134.1.1卷筒的直径确定.............................................................................134.1.2卷筒宽度及最小直径的确定.........................................................134.2开卷张力的选择...............................................................................144.3卷筒的传动设计...............................................................................154.3.1卷筒电机功率计算.......................................................................154.3.2电机的额定转速计算.....................................................................154.4卷筒胀缩机构受力分析...............................................................164.5卷筒径向压力计算.......................................................................184.5.1C.E.英格里斯（INGLIS）公式.....................................................194.5.2自动缩径卷筒径向压力的计算...................................................204.5.2.1开卷机卷筒的实际工作情况...................................................214.5.2.2卷筒当量半径的确定.................................................................214.5.2.3卷筒径向压力公式的推导.........................................................244.6液压缸行程的计算...........................................................................26IV第5章卷筒及主轴的校核.............................................................................295.1轴的强度校核......................................................................................295.2卷筒的强度校核..................................................................................31结论.....................................................................................................................33参考文献.............................................................................................................34致谢.....................................................................................................................36附录1..................................................................................................................37附录2.........................................................................................................