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1、PowerMILL后处理制作教程define word TN address letter = TOOL TYPE：- address width = 13 field width = 25 end define 具体解释： define word TN 定义字段； address letter = TOOL TYPE：- 定义字段的返回值，比如在后处理文件里有“MS =C ; TN ToolType ; EM =C”，而在写程式的时候选用的是端铣刀，那么在CNC程式里就会有（TOOL TYPE：- ENDMILL）； address width = 13 定义字符宽度，如上TOOL TYPE
2、：- ，从T开始算起一共13位，包括空格； field width = 25 定义返回字的宽度，如上ENDMILL，如果field width = 2，那TOOL TYPE：- 就返回EN；如果field width = 25，那TOOL TYPE：- 就返回ENDMILL。 end define = 第二段是定义字符的格式 = define format ( / G6 S T M1 M2 L P D E H O ) address width = 1 field width = 2 exponent width = 0 scale factor = 1 scale divisor = 1 t
3、ape position = 0 print position = 1 sign = none not permanent not modal metric formats leading zeros = false trailing zeros = true decimal point = false 控制公制尺寸的前导零、后导零，小数点 decimal places = 0 imperial formats leading zeros = false trailing zeros = true decimal point = false 控制英制尺寸的前导零、后导零，小数点 decimal
4、 places = 0 end define word order = ( OP N G1 G2 G3 G4 G5 ) word order = ( + G6 G7 X Y Z B C ) word order = ( + I J K R D S T ) word order = ( + H M1 M2 MS msg EM Q ) 注册字符 word order = ( + Q1 Z2 R2 ID F ) word order = ( + TN TD TR DY MT YR PM ) = 第三段是定义键值 = define keys blocknumber = N 定义程序段号 prepara
5、tory function = G1 定义准备功能指令 aux function = M1 定义辅助功能指令 x feedrate not used 定义X进给率指令 y feedrate not used 定义Y进给率指令 z feedrate not used 定义Z进给率指令 circle angle not used 圆周角度 x coordinate = X 定义X坐标轴 y coordinate = Y 定义Y坐标轴 z coordinate = Z 定义Z坐标轴 key i = I 定义X轴矢量I键 key j = J 定义Y轴矢量J键 key k = K 定义Z轴矢量K键 fe
6、edrate = F 定义进给率指令 feedrate per revolution = F 定义每转进给率指令 spindle = S 定义主轴指令 tool number = T 定义刀具指令 cycle dwell not used dwell = X 定义暂停时间键值 tool length = H 定义刀具长度补偿指令 tool radius = D 定义刀具半径补偿指令 drill peck depth = Q1 钻孔的啄钻深度 drill hole depth = Z2 定义钻孔深度 clearplane = R2 定义安全平面高度 message start = MS 定义注释
7、的开始符 message end = EM 定义注释的结束符 opskip = OP 定义跳段符号 radius = R 定义半径R键 program id = ID 定义程序号 azimuth axis = B 在多轴加工中，定义方位轴 elevation axis = C 在多轴加工中，定义仰角轴 3rd rotation axis = null 在多轴加工中，定义第三旋转轴 leader not used x vector not used y vector not used z vector not used error not used end define = 定义指令值 = de
8、fine codes rapid = G1 0 = 快速点定位 linear = G1 1 = 直线插补 circle cw = G1 2 = 顺圆插补 circle ccw = G1 3 = 逆圆插补 dwell = G6 4 = 暂停、准确停止 xy plane = G3 17 = XY平面 zy plane = G3 19 = YZ平面 xz plane = G3 18 = ZX平面 compensation off = G2 40 = 取消刀具半径补偿 compensation on left = G2 41 = 刀具半径左补偿 compensation on right = G2 4
9、2 = 刀具半径右补偿 imperial data = G4 20 = 英寸输入 metric data = G4 21 = 毫米输入 absolute data = G5 90 = 指定绝对坐标编程 incremental data = G5 91 = 指定增量坐标编程 from = G3 54 = 制定工作坐标系 feedrate per minute not used = 每分钟进给 feedrate per revolution not used = 每转进给 spindle rpm not used constant surface speed not used drill = G4
10、 81 = 钻孔循环锪镗循环 break chip = G4 82 = 钻孔循环或反镗循环 deep drill = G4 83 = 深孔钻循环 tap = G4 84 = 攻丝循环 bore 1 = G4 85 = 镗孔循环 bore 2 = G4 86 = 镗孔循环 bore 3 = G4 87 = 背镗循环 bore 4 = G4 88 = 镗孔循环 bore 5 = G4 89 = 镗孔循环 end of drill = G4 80 = 固定循环取消 macro start not used = 宏程序模态调用 macro end not used = 宏程序模态调用取消 macro
11、call not used = 宏程序调用 cycle retract = G6 99 = 固定循环返回到R点 tool length offset = G3 43 = 正向刀具长度补偿 spline not used = spline插补方式 stop = M1 0 = 程序停止 opt stop = M1 1 = 选择停止 spindle on cw = M1 3 = 主轴正转 spindle on ccw = M1 4 = 主轴逆转 spindle off = M1 5 = 主轴停止 spin coolant on cw = M1 13 spin coolant on ccw = M1
12、14 spin coolant off = M1 5 = 冷却液关 change tool = M1 6 = 自动换刀 coolant on mist = M1 7 = 雾状冷却液 coolant on = M1 8 = 冷却液开 coolant on flood = M1 8 = 冷却液开（喷出） coolant off = M1 9 = 冷却液关 clamp on not used clamp off not used end of tape = M1 2 = 程序结束 end of prog = M1 30 = 程序结束 gear range 1 not used gear range 2 not used gear range 3 not used constant contour speed not used constant contour speed 2 not used word drill not used word break chip not used word deep not used word tap not used word bore 1 not used word bore 2 not used word bore 3 not used word bore 4 not used word bo
