机械5

摘要 本课题来源于生产，是对所学知识的应用，它包括了我们在校几年所学的全部知识，在数控专业上具有代表性，而且提高了综合运用各方面知识的能力。程序的编制到程序的调试，零件的加工运用到了所学的AutoCAD、UG软件、机床操作、刀具的选择、零件的工艺分析、工艺路线等一系列的内容。这将所学到的理论知识充分运用到了实际加工中，切实做到了理论与实践的有机结合，选择正确的加工方法，设计合理的加工工艺过程，充分发挥数控加工的优质、高效、低成本的特点。本文主要对零件进行了,图纸分析、毛坯的选择、加工方法以及加工路线的选择、对刀具机床进行确定，并且选定刀具参数规格，选定机床的型号。然后填写工艺卡片，工序卡片。对零件进行自动编程。 关键词:数控编程；数控铣削；仿真加工；三维建模 Abstract This subject comes from productio
n, is the applicatio
n of the k
nowledgewe have lear
ned, it i
ncludes all the k
nowledgewe have lear
ned i
n school for severalyears, a
nd it is represe
ntative i
n
numerical co
ntrol specialty, a
nd improves the ability of comprehe
nsive applicatio
n of all aspects of k
nowledge.Programmi
ng to the debuggi
ng of the program, parts processi
ng applied to the AutoCAD UG software, machi
ne tool operatio
n, tool selectio
n, part process a
nalysis, process route a
nd a series of co
nte
nts.I
n thisway, the theoretical k
nowledge lear
ned is fully applied to the practical processi
ng, the orga
nic combi
natio
n of theory a
nd practice is achieved, the correct processi
ng method is chose
n, the reaso
nable processi
ng process is desig
ned, a
nd the
number is brought i
nto full play. High quality, high efficie
ncy a
nd low cost of co
ntrolled processi
ng.I
n this paper, the parts, drawi
ng a
nalysis, bla
nk selectio
n, machi
ni
ng method a
nd machi
ni
ng route are selected, the tool machi
ne tool is determi
ned, a
nd the tool parameter specificatio
n is selected, a
nd the model of the machi
ne tool is selected.The
n fill i
n the process card, process card.Program the parts automatically. Keywords: NC programmi
ng, NC milli
ng, simulatio
n machi
ni
ng, 3D modeli
ng 目录 摘要I Abstract II 第一章绪论1 1.1本课题的目的及意义1 1.2数控机床及数控技术的应用与发展1 第二章工艺性分析3 2.1零件介绍3 2.2零件加工工艺性分析4 2.3零件的技术要求4 第三章零件加工工艺规程设计5 3.1毛胚的选择5 3.1.1确定毛坯的类型5 3.1.2确定毛坯的余量5 3.2加工方法及工艺路线的确定6 3.2.1加工方法的选择6 3.2.2工序的划分6 3.3选择并确定工艺装备8 3.3.1数控机床的选择8 3.3.2刀具选择10 3.3.3刀具选择10 3.3.4量具的使用表11 3.4背吃刀量的选择11 3.5进给速度的确定12 3.6切削参数的确定12 第四章加工程序编制及仿真加工14 4.1数控编程的分类14 4.2数控编程14 4.2.1设置加工环境14 4.2.2创建刀具15 4.2.3创建几何体15 4.2.4创建平面铣操作18 4.2.5创建型腔铣操作19 4.2.5曲面加工自动编程22 4.3数控仿真加工24 4.4程序的后处理26 总结27 致谢28 参考文献29