机械5

摘要 现代的CAD/CAM都是建立在数控技术之上的。现代数控加工技术知识是现代机械专业学生必需掌握的。在数控加工过程中，要考虑到零件加工工艺路线的安排、加工机床型号的选择、切削刀具的选择、零件加工的定位装夹及数控程序的编制等一系列因素的影响。所涉及到的知识面非常广阔，基本将我们在大学几年里所学知识综合运用起来了所以通过这次设计不仅是一次对我们大学几年来的知识的运用，也是对我们的考验。 本次设计内容为零件数控加工工艺及编程加工。具体介绍了数控车床加工的特点、加工工艺分析以及数控编程加工过程，以及夹具的确定等等。 关键词：数控车床；数控编程；数控加工工艺 Abstract The moder
n CAD/CAM is based o
n the
numerical co
ntrol tech
nology.Moder
n CNC machi
ni
ng tech
nologyk
nowledge is the moder
n mecha
nical professio
nal stude
nts must master.I
n NC machi
ni
ng process,co
nsideri
ng the compo
ne
nts processi
ng craft route arra
ngeme
nt,processi
ng machi
ne type selectio
n,cutti
ng tool selectio
n,machi
ni
ng positio
ni
ng device clamp a
nd NC program compili
ng a
nd a series of factors.Verybroad ra
nge of k
nowledge i
nvolved,willwe i
n the u
niversitythreeyears have lear
ned k
nowledge comprehe
nsive up so through this graduatio
n desig
n is
not o
nlyo
ne of our u
niversitythreeyears of k
nowledge use,but also for our test. This desig
n co
nte
nt is the part
numerical co
ntrol processi
ng craft a
nd the programmi
ng process.This paper i
ntroduces the characteristics of CNC lathe processi
ng,processi
ng tech
nologya
nalysis a
nd NC programmi
ng process,aswell as fixture a
nd so o
n. Keywords: CNC lathe; NC programmi
ng; NC Machi
ni
ng Tech
nology 目录 摘要I Abstract II 目录III 第1章绪论1 1.1按加工工艺方法分类1 1.2按控制运动轨迹分类2 1.3按驱动装置的特点分类3 1.4数控未来的发展5 第2章轴零件数控加工工艺设计9 2.1加工方案的确定9 2.2装夹方案的确定10 2.3加工工序的划分11 2.4加工刀具的选择14 2.5切削用量的确定15 第3章轴零件数控程序编制18 3.1编程理论依据18 3.2编程指令的选择20 3.3节点计算22 3.3.1用到的计算方法22 3.3.2用到的计算方法22 3.4数控程序编制23 第4章轴零件数控加工仿真26 4.1仿真加工软件简介26 4.2仿真加工过程27 总结36 致谢37 参考文献38