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
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)
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%
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