西门子840D编程守则

SIMENS 840D/840DE 编程说明书

§1 基本知识..................................................................................................5

1.1 机床运动方式......................................................................................................5

1.1.1 轴的运动方式................................................................................................................5

1.1.2 直线运动轴的命名.......................................................................................................6

1.1.3 刀具的相对运动...........................................................................................................7

1.1.4 位置数据........................................................................................................................8

1.2 工件位置表示......................................................................................................8

1.3 坐标系统的设定................................................................................................13

1.3.1 坐标系概述..................................................................................................................13

1.3.2 机床坐标系..................................................................................................................14

1.3.3 基本坐标系..................................................................................................................15

1.3.4 零件坐标系..................................................................................................................15

1.3.5 矩阵概念概述..............................................................................................................16

1.3.7 当前工件坐标系.........................................................................................................17

1.4 轴的类型............................................................................................................17

1.4.1 主坐标轴（几何坐标轴）.........................................................................................17

1.4.2 附加坐标轴..................................................................................................................18

2.1.1 文字设置......................................................................................................................21

2.1.2 功能字..........................................................................................................................23

2.1.2.1 地址功能字......................................................................................................23

2.1.2.2 模态地址/非模态地址.....................................................................................23

2.1.2.3 轴的引申地址..................................................................................................24

2.1.2.4 扩展地址..........................................................................................................24

2.1.2.5 系统固定地址..................................................................................................25

2.1.2.6 地址变量..........................................................................................................26

2.1.2.7 地址名称..........................................................................................................27

2.1.2.8 操作/算术功能.................................................................................................27

SIMENS 840D/840DE 编程说明书

2.1.2.14 数据类型........................................................................................................34

2.1.3 程序段和程序结构.....................................................................................................36

2.1.3.1 程序段长度......................................................................................................36

2.1.3.2 程序段中各个功能字的顺序..........................................................................37

2.1.3.3 主程序段/子程序段.........................................................................................37

2.1.3.4 NC 程序段的顺序号........................................................................................38

2.1.4 NC 程序构成...............................................................................................................39

2.2 NC 程序结构和内容..........................................................................................41

2.3.............................................................................................................................44

§3 刀具运动编程........................................................................................44

3.1 定义初始条件....................................................................................................44

3.1.1 概述..............................................................................................................................44

3.1.2 绝对/相对坐标尺寸编程，G90/G91.........................................................................44

3.1.3 旋转轴绝对尺寸（DC、ACP、ACN）编程...........................................................47

3.1.4 公制/英制尺寸编程，G70/G71.................................................................................49

3.1.5 设置零点偏置，G54～G599.....................................................................................50

3.1.6 选择工件平面，G17～G19........................................................................................53

3.1.7 限制工作区域编程，G25/G26..................................................................................55

3.1.8 返回参考点..................................................................................................................58

3.2 运动指令编程....................................................................................................59

3.2.5 圆弧插补，G02/G03，CIP........................................................................................69

3.2.6 螺旋插补编程，G2/G3，TURN...............................................................................78

3.2.8 刚性攻丝，G331\G332..............................................................................................87

3.2.9 带有起锥器的攻螺纹孔.............................................................................................89

3.2.10 逼近固定点，G75.....................................................................................................91

3.2.11 到达固定撞块............................................................................................................92

4.1.1 工件坐标系的空间描述.............................................................................................98

4.1.2 工作平面，刀具偏置.................................................................................................99

4.1.3 什么是构架？..............................................................................................................99

SIMENS 840D/840DE 编程说明书

4.4 可编程的旋转，ROT，AROT.......................................................................105

4.6 可编程的镜像，MIRROR，AMIRROR........................................................117

4.7 刀具与可编程的构架一致，TOFRAME.......................................................121

§5 进给控制与主轴运动..........................................................................122

5.1 进给..................................................................................................................122

5.2 对于位置轴和主轴的进给速度......................................................................128

5.3 进给倍率百分比修调，OVR，OVRA..........................................................131

5.4 进给的手轮修调，FD，FDA.........................................................................132

5.5 加速度百分率修调，ACC..............................................................................136

5.6 对于曲线路径轴的进给速度优化..................................................................137

5.7 主轴转速 S，主轴旋转方向 M3，M4，M5..................................................140

5.8 恒速率切削，G96、G97、LIMS...................................................................143

§6 刀具偏置..............................................................................................147

6.4 轮廓逼近和换刀，NORM, KONT, G450, G451............................................159

6.6 干涉检测，CDON、CDOF............................................................................165

7.1.2 钻削循环 CYCLE82.................................................................................................168

7.1.3 钻削循环 CYCLE83.................................................................................................170

7.1.5 浮动攻丝 CYCLE840...............................................................................................173

7.1.6 镗孔循环 CYCLE85.................................................................................................175

7.1.7 镗孔循环 CYCLE86.................................................................................................177

7.1.8 镗孔循环 CYCLE87.................................................................................................178

7.1.9 镗孔循环 CYCLE88.................................................................................................180

7.1.10 镗孔循环 CYCLE89...............................................................................................181

7.3 规则排列孔的钻孔循环..................................................................................184

7.3.1 射线性排列孔的钻孔循环.......................................................................................184

7.3.2 圆周排列孔的钻孔循环...........................................................................................187

7.4 铣削固定循环..................................................................................................188

SIMENS 840D/840DE 编程说明书

7.4.5 圆形型腔的铣削循环...............................................................................................199

7.4.5 螺纹铣削循环...........................................................................................................202

§8 路径特性..............................................................................................204

8.1 准确停止，G601, G602, G603, G9, G60........................................................204

8.2 轮廓加工方式 G64，G641..............................................................................206

§9 算术参数与程序跳转..........................................................................210

9.1 算术参数 R.......................................................................................................210

9.2 无条件程序跳转..............................................................................................212

9.3 有条件程序跳转..............................................................................................214

§10 子程序与程序段的重复....................................................................217

10.1 使用子程序....................................................................................................217

10.2 子程序调用....................................................................................................219

10.3 程序段重复....................................................................................................220

§11 特殊功能............................................................................................225

11.3 H 功能.............................................................................................................228

SIMENS 840D/840DE 编程说明书

§1 基本知识

1.1 机床运动方式