机械5

摘要 这些年来我国家对数控技术的重视，数控技术的一直发展，因高效率、高精度、高质量从而使得数控加工技术的应用越来越广泛。 本次设计任务是对线圈铁芯零件的加工工艺设计与加工工艺及编程仿真，使用CAD制图软件将零件的二维图形画出来，再用Mastercam软件画出三维图纸。接着对零件结构、精度、技术要求进行分析。设计加工零件的数控工艺方案，选择毛坯材料及大孝加工用的刀具、加工机床，以及合理的切削参数等。选择出最佳的加工工艺方案，然后使用Mastercam中的CAM模块对零件的数控加工程序进行编制，完成本次设计。 关键词:铣削；CAD/CAM；数控加工工艺；编程 Abstract I
n rece
ntyears, our cou
ntry attaches importa
nce to
numerical co
ntrol tech
nology,
numerical co
ntrol tech
nology has bee
n developi
ng, because of high efficie
ncy, high precisio
n, high quality so that NC machi
ni
ng tech
nology is more a
nd morewidely used. The task of this desig
n is to desig
n the machi
ni
ng process a
nd program simulatio
n of the coil core parts. The two-dime
nsio
nal graphics of the parts are draw
n by CAD software, a
nd the
n the three-dime
nsio
nal drawi
ngs are draw
n by Mastercam software. The
n the structure, precisio
n a
nd tech
nical requireme
nts of the parts are a
nalyzed. Desig
n NC process scheme for machi
ni
ng parts, select bla
nk material a
nd size, tool for machi
ni
ng, machi
ni
ng machi
ne, a
nd reaso
nable cutti
ng parameters, etc. Select the best machi
ni
ng process pla
n, a
nd the
n use the CAM module i
n Mastercam to compile the NC machi
ni
ng program of the parts, a
nd complete the desig
n. Keywords: milli
ng; CAD/CAM; NC machi
ni
ng process; programmi
ng 目录 摘要I Abstract II 1绪论1 2零件分析4 2.1零件介绍4 2.2零件加工工艺性分析5 2.3主要的技术要求5 2.4确定毛坯的类型6 2.5毛坯尺寸和公差6 2.6设计毛坯图7 3分析零件工艺工艺8 3.1加工工艺路线的确定8 3.1.1加工路线划分原则8 3.1.2工艺路线安排8 3.2加工机床的确定9 3.3零件的装夹10 3.3.1定位基准的选择10 3.3.2夹具的选择11 3.4量具的选择13 3.5确定加工刀具14 3.5切削三要素的计算15 4数控加工工艺卡片的拟定18 5零件的数控程序编制19 5.1 Mastercam软件介绍19 5.2 Mastercam软件编程操作19 5.3程序的后处理36 6零件加工结果分析40 6.1检测项目及检测结果填写40 6.2质量分析40 总结41 致谢42 参考文献43