西门子NCU573.2 6FC5357-0BB31-0AE0西门子NCU573.2 6FC5357-0BB31-0AE0
6FC5357-0BB31-0AE0
NCU 573.2,DIG. 6FC5357-0BB31-0AE0 840D
SINUMERIK 840D/DE NCU 573.2 32MB D-RAM W/O SYSTEM SOFTWARE MEMORY: NC 1.5 MB, PLC 64 KB PREP. PROFIBUS-DP PREP. F. DIGITIZING
上海施承电气自动化有限公司
联系人:黄经理
手机:135-6425-5051 QQ:2271-387-194
电话:021-3166-2619 传真:021-6781-7055
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6FC5210-0DF24-2AA0 PCU70
6FC5210-0DF25-2AA0 PCU50
6FC5210-0DF31-2AA0 PCU50.3
6FC5210-0DF33-2AA0 PCU50.3
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6FC5410-0AY03-0AA1
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6FC5410-0AY03-1AA0
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6FC5410-0AY01-0AA0
6FC5410-0AY03-0AA0
6FC5410-0AY03-0AA0
6FC5410-0AY03-0AA2`
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6FC5210-0DF31-2AA0
6FC5210-0DF33-2AA0
西门子NCU571.2
西门子NCU571.3
西门子NCU571.4
西门子NCU571.5
西门子NCU572.2
西门子NCU572.3
西门子NCU572.4
西门子NCU572.5
西门子NCU573.2
西门子NCU573.3
西门子NCU573.4
西门子NCU573.5
西门子NCU561.4
西门子CCU3
西门子CCU1
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西门子PCU20
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西门子PCU50.3
西门子PCU50.5
西门子PCU70
6SN1118-0AA11-0AA1
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6SN1146-1AB00-0BA1
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6SN1146-1BB01-0BA0
6SN1146-1BB01-0BA1
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6SN1146-1BB02-0CA1
第三讲 编程
l 坐标系
1.工件坐标系
工件零点是原始工件坐标系的原点
直角坐标:用坐标所达到这个点来确定坐标系中的点
极坐标:用半径和角来测量工件或工件的一部分
2.绝对坐标:所有位置参数与当前有效原点相关,表示刀具将要到达的位置
增量坐标:如果尺寸并非项对于原点,而是相对于工件上的另一个点时,就要用增量坐标。用增量坐标来确定尺寸,可以避免对这些尺寸进行转换。增量坐标参照前一个电的位置数据,适用于刀具的移动,是用来描述刀具移动的距离
3. 平面: 用两个坐标轴来确定一个平面,第3个坐标轴与该平面相垂直,并确定刀具的横切方向。编程时,要确定加工面以便于控制系统能准确计算出刀具偏置值。
平面 标识 横切方向
G17 X/Y Z
G18 Z/X Y
G19 Y/Z X
4.零点的位置
在NC机床上可以确定不同的原点和参考点位置,这些参考点:
·用于机床定位
·对工件尺寸进行编程
它们是:
M=机床零点
A=卡盘零点,可以与工件龄点重合(值用于车床)
W=工件零点=程序零点
B=起始点,可以给每个程序确定起始点,起始点是第一个刀具开始加工的地方
R=参考点,用凸轮和测量系统来确定位置,必须先知道到机床零点的距离,这样才能精确设定轴的位置:
·建立坐标系 R
1.带机床零点M的机床坐标 X B
2.基础坐标系(也可以使工件坐标系W)
3.带工件零点W的工件坐标系
4.带当前被一懂得工件零位Wa的
当前工件坐标系 M A W Z