实验三数控铣床自动编程实验.docx
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实验三数控铣床自动编程实验
实验三数控铣床自动编程实验
一、实验目的
通过图形自动编程系统使同学们了解其Pro/E系统的组成及数控铣床自动编程的全过程,为数控铣床的零件加工打基础。
二、实验原理
图形交互式自动编程是数控自动编程系统的发展趋势。
Pro/E系统是集图形设计、刀位数据生成和后处理于一体的图形编程软件。
图形自动编程是以图形要素为输入参数,从三维零件造型图形,加工参数的输入,生成走刀轨迹,直到生成数控加工指令的全过程,都通过屏幕菜单驱动,图形交互式得到的。
将过去枯燥烦琐的编程过程变得形象、直观、高效、又令人兴趣盎然。
本实验以体积块铣削自动编程为例,通过实际编程操作、了解图形自动编程的全过程及图形自动编程系统的组成,为从事数控加工打下基础。
三、实验仪器
微机每人一台
软件配置:
Pro/E5.0
四、实验容及步骤
(一)、实验容:
零件三维造型给出,按实验步骤得到数控加工程序
(二)、步骤
1.建立数控加工文件
2.建立制造模型
3.建立毛坯模型
4.设置机床
5.设置加工零点
6.设置退刀平面
7.创建NC序列
8.刀具路径模拟
9.后置处理
五、写出实验步骤中各步中自己所选的参数及最后自动生成的程序(程序可打印附上)。
实验所选参数
退刀公差1
刀具
类型外圆角铣削
钻头长60
直径10
圆角R2
铣削参数
进给速度500
步长深度3
公差0.05
跨度4
允许轮廓坯件0.5
允许粗加工坯件0.5
允许的底部线框0.5
切割角0
扫描类型TYPE-SPIRAL
切割类型向上切割
粗加工选项粗加工轮廓
安全距离4
主轴速度1800
冷却液开
%
G71
O0001
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