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MMW7660卧式双端面磨床改进设计说明书[带图纸].doc

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MMW7660卧式双端面磨床改进设计说明书[带图纸].doc

编号无锡太湖学院毕业设计(论文)题目MMW7660卧式双端面磨床改进设计信机系机械工程及自动化专业学号学生姓名指导教师(职称副教授)(职称)2013年5月25日无锡太湖学院本科毕业设计(论文)诚信承诺书本人郑重声明所呈交的毕业设计(论文)MMW7660卧式双端面磨床改进设计是本人在导师的指导下独立进行研究所取得的成果,其内容除了在毕业设计(论文)中特别加以标注引用,表示致谢的内容外,本毕业设计(论文)不包含任何其他个人、集体已发表或撰写的成果作品。班级机械95学号0923233作者姓名2013年5月25日II摘要双端面磨床是一种在现代工业中应用非常广泛的高效加工设备,它是平面磨削加工机床的一个重要分支。双端面磨床的工件两端面同时被连续磨削,加工时间与工件上下料等辅助时间重合,磨削效率高、自动化程度高、不用吸盘夹持和加工精度高,机床自动化程度高,一般一小时能加工出数以千计的工件。磨削加工是作为刨削或铣削的后续工序,为了获得较高的精度和表面光洁度而发展起来的。可是最近发展了不经切削仅磨削就可直接从毛培磨削成品的粗磨和精磨一次完成的方法。本磨床在布置上有对称的两个磨头,它在一次行程中能加工出两个具有精度高和表面粗糙度低的平行端面。拖板进给机构,并采用定程系统,进给补偿和修整均采用机动,一般能自动卸料,实行全自动,较方便,纳入自动线成本较低,将滑动导轨改进为滚动导轨,采用伺服电机并对丝杆螺母部分进行改进使该机床从精度,效率自动化程度都大大提高。关键词磨床滚动导轨丝杆螺母IIIAbstractDoubleendgrindingmachineisakindofapplicationprocessingandhighefficiencyequipmentverywidelyinmodernindustry,itisanimportantbranchofplanegrindingmachine.Thetwoendsurfacesofdoubleendfacegrinderisalsocontinuousgrinding,processingtimeandtheworkpiecematerialandotherauxiliarytime,coincidence,highgrindingefficiency,highdegreeofautomation,notchuckclampingandmachiningaccuracyofmachinetoolofhigh,highdegreeofautomation,generallyanhourcanprocessworkpiecesofthousands.Grindingisusedasthefollowupprocessplaningormilling,inordertoobtainahigheraccuracyandsurfacefinishanddeveloped.Butrecentlydevelopedwithoutcuttingonlygrindingcanberoughgrindingandgrindingmethodofhairproductsandfinegrindingoncecompleteddirectlyfrom.Twoheadofthegrinderissymmetricalinlayout,itcanprocesstwowithparallelsurfaceofhighprecisionandlowsurfaceroughnessonatrip.Thefeedmechanism,andtheuseoffixeddistancesystem,feedcompensationanddressingbymotor,generallycanautomaticallyunload,carryoutautomatic,moreconvenient,intotheautomaticlineoflowcost,willslideguideimprovementfortherollingguide,servomotorandimprovingthemachinefromtheprecisionofthescrewnut,efficiencythedegreeofautomationisimprovedgreatly.KeyWordsgrinderrollingguidescrewnutIV目录摘要..............................................................................................................错误未定义书签。Abstract............................................................................................................错误未定义书签。目录..............................................................................................................错误未定义书签。1绪论.............................................................................................................................................11.1磨床的现状及其发展趋势...................................................................错误未定义书签。1.2磨床的类型及用途..............................................................................................................11.2.1磨床的类型...................................................................................................................11.2.2磨床的特点及用途.......................................................................................................21.3数控磨床..............................................................................................................................31.3.1数控磨床的结构特点...................................................................................................31.3.2数控磨床的分类及特色...............................................................................................42总设计方案.................................................................................................................................52.1双端面磨床概述..................................................................................................................52.2主要用途及特征..................................................................................................................52.3设计方案..............................................................................................................................62.3.1双端面磨床的动作要求...............................................................................................62.3.2主要技术参数...............................................................................................................62.3.4机床传动系统...............................................................................................................72.3.5操作面板压钮...............................................................................................................82.3.6联锁...............................................................................................................................82.3.7双端面磨床的的运动动作...........................................................................................93机构各部件特点.......................................................................................................................113.1磨架的设计........................................................................................................................113.2轴承的选择........................................................................................................................123.3导轨的选择........................................................................................................................153.4进给机构及补偿机构简介................................................................................................163.5砂轮修正器........................................................................................................................173.6防护罩简介........................................................................................................................173.6.1防护罩的作用及分类.................................................................................................173.6.2防护罩的抬起.............................................................................................................183.7送料机构............................................................................................................................183.8床身....................................................................................................................................184多楔带的选择及其计算...........................................................................................................194.1带传动的简述....................................................................................................................194.2多楔带的优点....................................................................................................................194.3多楔带的结构特点............................................................................................................20

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