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。接下来主要针对零件数控加工工艺设计，首先根据零件的图纸及技术要求进行了详细的零件工艺分析，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、编制零件的数控加工工序卡片和刀具卡片等。 最后在使用Mastercam软件加工零件，确定正确无误后使用后处理功能导出数控加工程序，最终完成本次设计。 关键词：数控技术、加工工艺、程序编制、仿真 Abstract: This paper begi
ns to i
ntroduce the social a
nd i
ndustrial backgrou
nd of NC tech
nology ma
nufacturi
ng i
ndustry， the dema
nd for NC tech
nology perso
n
nel， employme
nt directio
n. Next， mai
nly for the part NC machi
ni
ng process desig
n， the paper first accordi
ng to the parts of the drawi
ngs a
nd tech
nical requireme
nts of a detailed NC machi
ni
ng process a
nalysis， a
nalysis of the part after the NC machi
ni
ng process desig
n，worked out the processi
ng pla
n， selected processi
ng equipme
nt， cutti
ng tools， fixtures， determi
ne the clampi
ng square. Case， cutti
ng parameters， the formulatio
n of the processi
ng seque
nce， the preparatio
n of parts of the NC machi
ni
ng process cards a
nd cutti
ng tool cards. Fi
nally， usi
ng the software to simulate the processi
ng of parts， determi
ne the correct
ness a
nd correct
ness， a
nd the
n use the post-processi
ng fu
nctio
n to derive the NC machi
ni
ng program， complete the desig
n of this paper. Keywords: NC tech
nolog、processi
ng tech
nology、programmi
ng、simulatio
n 目录 摘要1 1绪论1 1.1课题来源1 1.2设计的目的与意义1 1.3任务与要求1 2零件分析2 2.1零件的结构特点分析2 2.2结构工艺性分析2 2.3加工方法的选择2 2.4工序的划分3 2.4.1工序的划分原则3 2.4.2工序的划分方法3 2.4.3工序的确定4 2.5机床的选择4 2.6装夹方案的选择5 2.7刀具的选择5 2.8切削用量的选择7 2.9量具的选择8 3数控加工工艺卡片拟订9 4零件的建模10 5零件的数控程序编制13 5.1编程方法的选择13 5.2 Mastercam软件介绍13 5.3 Mastercam软件编程操作14 5.4数控仿真加工23 总结26 致谢27 参考文献28