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0毕业设计题目:两缸柴油机机体8-M8螺纹底孔组合钻床的总体设计及主轴箱设计学科部:专业:班级:学号:学生姓名:指导教师:起讫日期:1中文摘要本次设计是对卧式单面8轴组合钻床的设计,设计的内容包括组合钻床的总体设计以及多轴箱的设计。组合钻床的总体设计主要是“三图”的设计。三图的设计包括:被加工零件工序图、加工示意图、机床联系尺寸图。多轴箱的设计关键是传动系统方案的确定。再根据传动系统图确定手柄轴和油泵轴的位置安排,然后进行坐标计算,绘制多轴箱装配总图,箱体补充加工图,前盖补充加工图、最后根据上面的内容设计组合钻床。关键子字:组合钻床、多轴箱、被加工零件工序图、加工示意图、机床联系尺寸图。外文摘要Thisdesignistohorizontalaxiscombinationdrillingmachineofsingleanddesign,thedesignofcontentincludingcombinationdrillingmachineoftheoveralldesignandthedesignofthespindlebox.Combinationdrillingmachineoftheoveralldesignmainlyisthethreefiguredesign.Thedesignofthethreefigureincludes:processingpartsprocessdiagram,processingschemes,machinetoolcontactsizefigure.Thedesignofthespindleboxiskeytotheschemedeterminationoftransmissionsystem.Againaccordingtothetransmissionsystemgraphdeterminethehandleaxisandoilpumpshaftplacement,andthencoordinatecalculation,drawspindleboxofgeneralassembly,thecasingisaddedprocessingfigure,thefrontcoveraddedprocessingdiagram,accordingtothecontentoftheabovedesigncombinationdrillingmachine.Keysonword:combinationdrillingmachine,spindlebox,beprocessingpartsprocessdiagram,processingschemes,machinetoolcontactsizefigure.2前言组合机床是用按系列化标准化设计的通用部件和按被加工零件的形状及加工工艺要求设计的专用部件组成的专用机床。组合机床是由万能机床和专用机床发展来的,它既有专用机床结构简单的特点,又有万能机床能够重新调整,能适应新工件加工的特性。组合机床是集机电于一体的综合自动化程度较高的制造技术和成套工艺装备。它的基本组成是以大量通用部件为基础,配以少量专用部件组成的一种高效专用机床。组合机床的总体设计必须要制定工艺方案,在工艺制定过程中,通过生产批量的分析确定组合机床箱体结合件的加工方案,并寻求最佳的工艺方案。总体方案设计的主要成果是“三图”,即绘制被加工零件图、加工示意图、机床联系尺寸图。在主轴箱体设计中;首先根据已知条件和被加工零件的具体结构特征,确定各轴的排布方案、结构、材料、转向、配合关系等,保证各轴互不干涉。轴的排布方案是多种多样的,通过比较选择一种最佳的方案,然后选择主轴箱体的规格、型号。确定好轴的排布方案及各种技术参数后,再选择其它各种零件,编制各零件的明细表。尽可能选用标准件和通用件,降低制造成本。需对被加工零件孔的分布情况及所要达到的要求进行分析,如各部件尺寸、材料、形状、硬度及加工精度和表面粗糙度等。3目录1、绪论..........................................................................................................................................41.1国内外研究现状及发展趋势...........................................................................................41.2机床设计的目的和内容...................................................................................................51.2.1机床设计的目的:................................................................................................51.2.2机床设计的内容:................................................................................................51.3机床的设计步骤...............................................................................................................61.3.1研究调查...............................................................................................................61.3.2总体方案设计.......................................................................................................61.3.3技术设计...............................................................................................................61.3.4设计要求...............................................................................................................62、组合机床的总体设计..............................................................................................................72.1组合机床方案的制定........................................................................................................72.1.1制定工艺方案.......................................................................................................72.1.2确定组合机床的配置形式和结构方案...............................................................72.2切削用量的确定...............................................................................................................92.2.1组合机床切削用量选择的特点、方法及注意问题...........................................92.2.2确定切削力、切削扭矩、切削功率.................................................................102.3组合钻床总共体设计——“三图”.............................................................................102.3.1被加工零件工序图.............................................................................................102.3.2加工示意图.........................................................................................................122.3.2机床联系尺寸图总图..........................................................................................173、组合机床多轴箱设计.............................................................................................................193.1绘制多轴箱设计原始依据图...........................................................................................193.2主轴、齿轮的确定及动力计算.......................................................................................203.2.1主轴的型式和直径、齿轮模数的确定................................................................203.2.2、多轴箱所需动力的计算.....................................................................................213、3多轴箱的传动设计........................................................................................................213.3.1对多轴箱传动系统的一般要求..........................................................................223.3.2拟定多轴箱传动系统的基本方法......................................................................223.3.3传动零件的校核..................................................................................................243.3.4多轴箱传动拟定实例..............................................................
本文标题:毕业论文组合机床设计
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