实验三数控铣床自动编程实验.docx

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、实验内容及步骤

（一）、实验内容：

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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