1西安········学院毕业设计(论文)论文题目:配合件的工艺与编程所属系部:航空制造工程系指导老师:职称:讲师学生姓名:班级、学号:专业:西安········院年月日2毕业设计(论文)任务书题目:配合件的工艺与编程任务与要求:1、对工件的工艺分析及加工路线的制定,手工编制加工程序,加工工件并进行废品分析。2、绘制手工图纸(A3),采用放大比例主要是为了方便答辩使用。3、正文编写内容:(字数1万左右,含图25页以上)。时间:2011年11月25日至2011年12月15日共3周所属系部:学生姓名:学号:专业:机械设计与制造指导单位或教研室:西安··················学院指导教师:职称:讲师西安·········院年月日3毕业设计(论文)进度计划表日期工作内容执行情况指导教师签字11.25-11.27熟悉零件图11.28-12.2完成零件的工艺性分析,确定毛坯的类型、制造方法和机械加工工艺规程并编制出零件的加工工艺卡片12.3-12.4完成零件加工方案设计12.5-12.6完成零件图的绘制12.7-12.9查找并整理资料12.10-12.14整理并完成设计说明书的编写12.14-12.15完成图纸和说明书的输出打印教师对进度计划实施情况总评签名年月日本表作评定学生平时成绩的依据之一。4摘要数控机床加工工艺与普通机床加工工艺在原则上基本相同,但数控加工的整个过程是自动进行的。数控加工的工序内容比普通机床的加工的工序内容复杂。这是因为数控机床价格昂贵,若只加工简单的工序,在经济上不合算,所以在数控机床上通常安排较复杂的工序,甚至是在通用机床上难以完成的那些工序。数控机床加工程序的编制比普通机床工艺规程编制复杂。这是因为在普通机床的加工工艺中不必考虑的问题,如工序内工步的安排、对刀点、换刀点及走刀路线的确定等问题,在数控加工时,这一切都无例外地都变成了固定的程序内容,正由于这个特点,促使对加工程序的正确性和合理性要求极高,不能有丝毫的差错,否则加工不出合格的零件。关键词:轴类零件;数控车削;工艺设计5Abstract:Thenumericalcontrolmachineprocessingtechnologyandcommonmachineprocessingtechnologyinthesamebasicinprinciple,butthewholeprocessofncmachiningisautomatic.Ncmachiningprocessofthecontentofthemachinetoolthannormalprocessingprocesscontentcomplex.Thisisbecausethenumericalcontrolmachinetoolisexpensive,ifonlysimpleprocessingofworkingprocedure,ineconomicnotworthwhile,soonthencmachinemorecomplexprocessisarrangednormally,eveningeneralinmachinetoolofthedifficulttocompletetheprocess.Numericalcontrolmachinetoolthanregularprogrammingmachineprocessplanningofcomplex.Thisisbecauseintheprocessingtechnologyoftheconventionalmachinetoolsinneednotconsiderofproblems,suchasthearrangementofthestepsintheprocessofwork,thecuttingpoint,changethetoolspointandgotodeterminethekniferoute,inthenumericalcontrolprocessing,itallwithoutexceptiontoallbecomefixedprogramcontent,andbecauseofthisfeature,fortheprocessingprocedurestothecorrectnessandrationalityofthehighlydemanding,therecanbenomistake,orprocessingnotqualifiedparts.Keywords:axialparts;Thenumericalcontrolturning;Processdesign6目录1、零件工艺分析.................................................................................................................................................61.1零件1工艺分析...........................................................................................................................................61.1.1零件图分析............................................................................................................................................61.1.2.工艺分析................................................................................................................................................71.2零件2工艺分析.........................................................................................................................................81.2.1零件图分析............................................................................................................................................81.2.2.工艺分析................................................................................................................................................92、加工方法的选择.............................................................................................................................................92.1确定加工方法...........................................................................................................................................102.1.1确定零件1的加工方案.....................................................................................................................112.1.2确定零件2的加工方案.....................................................................................................................1121.3.毛坯的确定..........................................................................................................................................113、机床夹具的选择...........................................................................................................................................133.1机床常见的装夹方式................................................................................................................................133.2夹具的确定.................................................................................................................................................144、刀具的选择...................................................................................................................................................154.1选择数控刀具的原则.................................................................................................................................154.2选择数控车削刀具.....................................................................................................................................165、工艺路线.......................................................................................................................................................175.1工序的划分..............................................................................................................................................175.2加工顺序的安排..................................................................