半轴套管-面钻孔专用机床设计说明书(右下角).doc
1宁XX大学毕业设计(论文)半轴套管-面钻孔专用机床设计所在学院专业班级姓名学号指导老师年月日2摘要组合机床组合机床是以通用部件为基础,配以按工件特定形状和加工工艺设计的专用部件和夹具,组成的半自动或自动专用机床。加工时,工件一般不旋转,由刀具的旋转运动和刀具与工件的相对进给运动,来实现钻孔、扩孔、锪孔、铰孔、镗孔、铣削平面、切削内外螺纹以及加工外圆和端面等。有的组合机床采用车削头夹持工件使之旋转,由刀具作进给运动,也可实现某些回转体类零件(如飞轮、汽车后桥半轴等)的外圆和端面加工。本文对半轴套管孔的加工工艺进行了详细的分析,就其孔的加工提出了“一次装夹,多工位加工,达到产品图样的精度要求”的思路。根据这一思路设计了钻孔组合机床设计。该组合机床由立柱、立柱底座、中间底座、液压滑台、动力箱、多轴箱等组成。本文对各部分的设计进行了详细的计算和论证。关键词:组合机床,多轴箱,主轴箱,夹具3AbstractCombinationofmachinetoolsisbasedoncommoncomponents,accordingtotheworkpiecewithaspecificshapeanddesignoftheprocessingcomponentsandspecialfixture,thecompositionsemiautomaticorautomaticspecialmachine.Processing,workpiecegenerallydoesnotrotate,bymovementoftherotatablecutterandtoolandworkpiecerelativefeedmovement,toachievethedrilling,reaming,counterboring,reaming,boring,milling,cuttingandprocessingofexternalthreadfaceandetc.Somecombinationmachineadoptsclampingworkpiecemachiningheadtorotate,bythetoolforthefeedmovement,alsocanachievesomerotatingparts(suchascarrearaxleflywheel,etc.)ofthefaceandprocessing.Thehalfshaftbushingholemachiningprocesswasanalyzedindetail,itsholeontheprocessingof"afixture,multi-siteprocessing,productdesigntoachievetherequiredaccuracy"trainofthought.Accordingtothisdesigndrillholemodularmachinetooldesign.Thecombinationofmachinetoolsbyacolumn,columnbase,intermediatebase,hydraulicslipway,thepowerbox,box.Inthispaper,onthepartofthedesignofthedetailedcalculationandverification.Keywords:modularmachinetool,spindle,spindlebox,fixture4目录摘要.2Abstract.3目录.41绪论.61.1组合机床的国内、外现状.61.1.1国内组合机床现状.61.1.2国外组合机床现状.71.2机床设计的目的、内容、要求.81.2.1设计的目的.81.2.2设计内容.81.2.3设计要求.91.2.4机床的设计步骤.91)调查研究.92)拟定方案.93)工作图设计.92组合机床的总体设计.102.1组合机床方案的制定.102.1.1制定工艺方案.102.1.2确定组合机床的配置形式和结构方案。.102.2确定切削用量及选择刀具.122.2.1确定工序间余量.122.2.2选择切削用量.122.2.3确定切削力、切削扭矩、切削功率.132.2.4选择刀具结构.142.3钻孔组合机床总设计“三图一卡”的编制.142.3.1被加工零件工序图.142.3.2加工示意图.152.3.3机床联系尺寸图.192.3.4生产率计算卡.212.4多轴箱的设计.232.4.1绘制多轴箱设计原始依据图.232.4.2齿轮模数选择.242.4.3多轴箱的传动设计.242.3.4绘制传动系统图.262.3.5传动零件的校核.26第3章夹具设计.273.1夹具概述.273.1.1夹具分类.273.1.2机床夹具的现状.27