科类工科学号20091562本科生毕业设计数控铣削六角凸台编程及加工工艺探索CNCmillinghexagonalconvexprogrammingandprocessingtechnology学生姓名;臧永霄指导教师:罗新文职称指导教师单位通信地址邮编学院:工程技术学院专业:农业机械化及其自动化年级:09级设计提交日期:答辩日期:答辩委员会主任:云南农业大学年月日摘要机械制造业是国民经济的支柱产业,可以说,没有发达的机械制造业,就不可能有国家的真正繁荣的富强。而机械制造业的发展规模和水平,则是反应国民经济实力和科学技术水平的重要标志之一。提高加工效率,降低生产成本,提高加工质量,快速更新产品,是机械制造业竞争和发展的基础,也是机械制造业技术水平的标志。20世纪50年代初第一台数控机床出现了,数控机床是典型的机电一体化产品,综合了精密机械、电子、电力拖动、自动控制、自动检测、故障诊断和计算机等方面的技术。数控机床的高精度、高效率及高柔性决定了大力推广使用数控机床是我国制造业提高制造能力和水平,提高市场适应能力和竞争能力的必由之路。数控铣削加工是机械加工中最常用和最主要的数控加工方法之一,加入WTO以来,我国汽车工业、航空航天工业得到了快速发展,大量具有复杂曲面的零件如模具、叶片和螺旋浆等,都需要用数控铣床进行加工。本设计以数控铣床加工工艺、编程与操作为核心内容,重点介绍了数控铣床加工工艺,数控铣床的编程方法,数控铣床的操作方法,典型零件数控铣床加工综合实训等方面的知识及应用实践技能。关键词:数控数控铣床数控铣削Abstract:Machinerymanufacturingindustryisapillarindustryinthenationaleconomy,itcanbesaidthatwithoutadevelopedmachinerymanufacturing,itisimpossibletostatethetrueprosperityoftheprosperity.Andmachinerymanufacturingscaleandlevelofdevelopment,economicstrengthandscientificandechnologicallevelofresponseisoneoftheimportantsigns.Improveprocessingefficiency,reduceproductioncosts,improveprocessingqualityandrapidupdatingproducts,machinerymanufacturinganddevelopmentonthebasisofcompetition,machinerymanufacturingtechnologyisasymbol.Firstintheearly1950s,the20thcenturyaCNCmachinetool,mechanicalandelectricalintegrationisatypicalCNCmachinetoolproducts,integratedprecisionmachinery,electronics,electrictraction,automaticcontrol,automaticdetection,faultdiagnosis,andcomputertechnologyinsuchareas.High-precisionCNCmachinetool.highefficiencyandhighflexibledecisionisvigorouslypromotingtheuseofCNCmachinetoolmanufacturerstoincreasemanufacturingcapacity,improvetheirabilitytoadaptandcompetitiveability.CNCmillingmachiningisthemostcommonlyusedmethodofNCandthemainone,sincetheaccessiontotheWTO.China'sautomobileindustry,theaerospaceindustryhasbeendevelopingrapidly,alargenumberofpartswithcomplexsurfacessuchasmold,andthepropellerblade,CNCmillingmachineforprocessingneeds.NCmachiningprocesstothedesign,programmingandoperationsatthecore,focusingontheNCMachiningTechnology,CNCMillingMachineProgramming,CNCmillingmachineoperation.TypicalNCmachiningpartssuchastheComprehensivePracticalapplicationofknowledgeandskills.Keywords:CNCCNCMillingMachineCNCmillingmachining目录1绪论......................................................31.1数控机床的产生和发展......................31.2数控机床的加工特点..........................41.3数控机床的发展趋势..........................52数控铣削加工工艺.................................52.1零件的工艺性分析.............................52.2、装夹方案的确定.............................72.3、数控加工刀具.................................72.4、切削用量的确定.............................92.5切削液的选择.................................102.6、进给路线的确定..........