机械5

本体产品造型及本体模具数控加工工艺及程序编制 摘要 数控技术集计算机技术、电子技术、自动控制、传感测量、机械制造、网络通讯技术于一体，它的发展和运用，开创了制造业的新时代，数控技术水平的高低已成为衡量一个国家制造业现代化程度的核心标志。 本是对本体产品造型设计及其模具数控加工的描述，包容了零件图样的分析、刀具和夹具的选用、工艺路线的拟定以及手工编程的全部内容。在零件的加工过程中工艺分析是尤其重要的，而数控加工工艺分析与处理是数控编程的前提和依据，没有符合实际的数控加工工艺，就不可能有真正可行的数控加工程序，所以这次设计的重点就在数控加工工艺上，结合数控加工工艺要求和零件的使用要求对零件的数控加工工艺流程作了的分析。 关键词：数控技术；本体产品；数控加工；数控编程；加工工艺 Abstract Numerical co
ntrol tech
nology a
nd computer tech
nology, electro
nic tech
nology, automatic co
ntrol, se
nsor measureme
nt, machi
nery ma
nufacturi
ng,
network commu
nicatio
n tech
nology, its developme
nt a
nd use, creati
ng a
new era of the ma
nufacturi
ng i
ndustry, the level of NC tech
nology has become the core measure of a cou
ntry ma
nufacturi
ng i
ndustry moder
nizatio
n degree symbols. This paper is a descriptio
n of the product desig
n a
nd mold NC machi
ni
ng, i
ncludi
ng the a
nalysis of the parts, the selectio
n of tools a
nd fixtures, the preparatio
n of the tech
nical route a
nd thewhole co
nte
nt of the ma
nual programmi
ng. I
n the process of tech
nological a
nalysis is particularly importa
nt, a
nd the a
nalysis of NC machi
ni
ng tech
nology a
nd processi
ng is the premise a
nd basis of NC programmi
ng, NC machi
ni
ng process is
not practical, there is
no real feasible NC program, so the key to the desig
n i
n NC machi
ni
ng process, combi
nedwith the a
nalysis of the use of CNC machi
ni
ng the process requireme
nts a
nd the requireme
nts of parts CNC machi
ni
ng process of parts made of. Keywords:
numerical co
ntrol tech
nology; o
ntology product; NC machi
ni
ng; NC programmi
ng; processi
ng tech
nology 目录 摘要I Abstract II 1数控加工技术概述1 2本体零件三维造型设计3 2.1本体CAD零件图3 2.2本体三维造型3 3本体模具工艺设计9 3.1本体模具零件图9 3.2零件毛坯的选择9 3.3零件装夹10 3.4工艺性分析10 3.5机床选择11 3.6刀具的选择12 3.6.1刀具类型12 3.6.2选择数控刀具的原则13 3.7制定加工工艺顺序14 3.8切削用量的选择15 3.8.1主轴转速的选择15 3.8.2进给速度的选择16 3.8.3背吃刀量的确定16 3.9加工工艺卡17 4模具零件UG编程与仿真18 4.1编程原点的确定18 4.2数学处理18 4.2.1确定编程坐标18 4.2.2数控加工误差18 4.3本体模具A件编程与仿真18 4.4本体模具B件编程与仿真24 4.5后处理25 总结28 致谢29 参考文献30