机械5

摘要 本文开始介绍了数控技术的制造业的社会、行业背景，数控技术人才需求情况，就业方向。接下来主要针五角形板零件数控加工工艺设计，首先根据五角形板零件的图纸及技术要求进行了详细的数控加工工艺分析，分析过后对该零件进行了数控加工工艺设计，拟定了加工方案，选择了加工设备、加工刀具、夹具，确定了装夹方案、切削用量，制定了加工顺序、编制了零件的数控加工工序卡片和刀具卡片等。最后，详细说明了如何运用CAXA自动编程编制该零件的数控程序，在最后使用仿真功能仿真加工零件，确定正确无误后使用后处理功能导出数控加工程序，完成本次设计。 关键词：五角形板；加工工艺；数控；程序 Abstract The begi
n
ni
ng of this article i
ntroduced the
numerical co
ntrol tech
nology of ma
nufacturi
ng i
ndustry society, i
ndustry backgrou
nd, NC tech
nology tale
nt dema
nd, employme
nt directio
n. The
next major
needle bottle ope
ner parts of NC machi
ni
ng process desig
n. Firstly, accordi
ng to the bottle ope
ner parts drawi
ngs a
nd tech
nical requireme
ntswere detailed a
nalysis of NC machi
ni
ng process, after the a
nalysis of the partswere CNC machi
ni
ng process desig
n, process scheme isworked out, select the processi
ng equipme
nt, tooli
ng fixture to determi
ne the clampi
ng scheme, cutti
ng dosage, formulated the processi
ng seque
nce, preparatio
n of the parts CNC machi
ni
ng order card a
nd tool cards. Fi
nally, a detailed descriptio
n of the how to use CAXA automatic programmi
ng The parts of the
numerical co
ntrol program, i
n the e
nd the use of simulatio
n fu
nctio
ns of the processi
ng parts, to determi
ne the correct use of the post-processi
ng fu
nctio
n of the NC machi
ni
ng program, complete the desig
n of this paper. Keywords: Five a
ngle plate of CNC；machi
ni
ng；program 目录 摘要I Abstract II 目录III 1数控技术的前景1 1.1制造业的社会、行业背景1 1.2数控技术人才需求情况1 1.3就业方向1 2零件工艺分析3 2.1零件图的分析3 2.2结构工艺性分析3 2.3加工方法的选择3 2.4工序的划分4 2.4.1工序的划分原则4 2.4.2工序的划分方法4 2.4.3工序的确定5 2.5机床的选择5 2.6工件的装夹与定位7 2.6.1工件的装夹7 2.6.2工件的定位8 2.6.3装夹方案的确定8 2.7刀具的选择10 2.8切削用量的选择11 2.8.1背吃刀量的选择11 2.8.2主轴转速的确定12 2.9填写机械加工工艺规程13 3零件的数控加工程序20 3.1编程方法的选择21 3.2确定原点坐标21 3.3数控程序22 4 CAXA软件编程操作31 4.1铣零件的毛坯设置32 4.2创建加工方法32 4.3加工仿真38 4.4后处理40 总结41 致谢42 参考文献43