基于Mastercam对连杆进行NC加工编程.docx

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基于Mastercam对连杆进行NC加工编程.docx

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基于Mastercam对连杆进行NC加工编程.docx

基于Mastercam对连杆进行NC加工编程

基于Mastercam对连杆进行NC加工编程

在UG/CAM系统中可以直接采用2D图形进行刀具轨迹设计。

采用2D图形进行刀轨设计具有使用方便、灵活的特点,适合在没有零件实体模型的情况下,读入二维工程图进行快速数控编程。

本文将通过Mastercam软件对连杆进行设计。

1绘制连杆几何模型

1.1选择“文件/新建”命令,建立新文件夹,在顶部工具栏中单击选择俯视构图按钮

和俯视图按钮

1.2在第1图层画出连杆的2D平面图形如图1-1所示。

1.3在第2图层绘制几何图形边界框,输入X和Y均为30。

1.4在第3图层将图形中心移到系统坐标原点,便于加工时以图形中心对刀。

图1-1连杆2D平面图形

2规划加工刀具路径

2.1规划挖槽加工路径

(1)单击“机床类型”,在子菜单中选择“铣床”/“默认”。

(2)选择“属性”/“材料设置”,在弹出的对话框中输入如图2-1所示参数。

图2-1设置零件坯料尺寸

(3)单击“刀具路径”/“挖槽”进行挖槽加工。

(4)选择“串联”命令,选择如图2-2所示圆弧处。

图2-2选择挖槽区域

(5)选择“确定”命令执行。

(6)系统弹出如图2-3所示挖槽加工对话框,在“刀具”下单击“选择刀具库中刀具”,系统弹出如图2-4所示刀具库对话框中,选择一把10的平铣刀,单击确定。

图2-3挖槽加工对话框

图2-4加工刀具选择

(7)在选择的10平铣刀图标上双击,系统弹出如图2-5所示刀具参数设定对话框,选择“参数”选项卡,输入如图2-6所示参数,单击确定。

图2-5刀具参数设定对话框

图2-6设置“参数”选项卡

(8)选择图2-3中的“共同参数”选项,在出现的图中输入如图2-7所示参数。

图2-7设置参数

(9)在“切削参数”选项下,切削方式选择“等距环切”,如图2-8所示。

单击确定。

图2-8设置切削方式

(10)在图2-9中选择

,在弹出的对话框中单击

,则会出现模拟路径如图2-10所示。

图2-9验证路径

图2-10模拟挖槽路径

2.2规划钻孔加工刀具路径

(1)单击“刀具路径”/“钻孔”进行钻孔加工。

(2)手动选择圆心为钻孔中心点。

(3)选择一把50的钻头,钻孔深度设置为-45。

(4)选择

,在弹出的对话框中单击

,则会出现模拟路径如图2-11所示。

图2-11模拟钻孔路径

2.3规划外形加工刀具路径

(1)单击“刀具路径”/“外形铣削”,进行外形加工。

(2)在“刀具”下单击“选择刀具库中刀具”,选择一把20的平铣刀,单击确定。

(3)设置刀具、外形加工中的参数后,单击确定。

(4)选择

,在弹出的对话框中单击

,则会出现模拟路径如图2-12所示。

图2-12模拟外形加工路径

2.4生成加工NC代码

利用mastercam系统的后处理功能,自动生成加工连杆几何图形所需要的NC代码。

(1)单击

,弹出的如图2-13所示对话框,单击确定。

图2-13生成NC代码

(2)NC代码如下

%

O0000(T4)

(DATE=DD-MM-YY-22-11-13TIME=HH:

MM-11:

21)

(MCXFILE-C:

\USERS\U\DESKTOP\T3.MCX)

(NCFILE-C:

\USERS\U\DESKTOP\T4.NC)

(MATERIAL-ALUMINUMMM-2024)

(T219|10.FLATENDMILL|H219)

(T60|50.DRILL|H60)

(T229|20.FLATENDMILL|H3)

N100G21

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%

仅供个人用于学习、研究;不得用于商业用途。

Forpersonaluseonlyinstudyandresearch;notforcommercialuse.

NurfürdenpersönlichenfürStudien,Forschung,zukommerziellenZweckenverwendetwerden.

Pourl'étudeetlarechercheuniquementàdesfinspersonnelles;pasàdesfinscommerciales.

 толькодлялюдей,которыеиспользуютсядляобучения,исследованийинедолжныиспользоватьсявкоммерческихцелях. 

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