Mastercam后处理 3+2刀尖跟随源代码

若枫

​Mastercam后处理 3+2刀尖跟随源代码,此方式仅可应用于3+2摇篮5轴，后处理基于MPFan.pst基础上更改测试，无需使用5轴后处理，

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可支持任意位置装夹工件。
+ s: y6 r4 {- A1 p不支持原点平移或坐标偏移。
/ y( K' ~/ ^, J2 u9 L% ~4 w新建立的加工平面作为绘图平面和刀具平面，原点与WCS基础坐标系重合。
计算宏程序中，#21~#23为C轴旋转中心机械值，#101~#103为A轴旋转中心机械值。
计算宏程序仅支持3+2钻孔、铣削等策略，不支持多轴钻孔、多轴铣削等策略。
1 t% ]2 `% B1 S% SG54为基准坐标系，倾斜面的坐标系编号不可为0或小于0。


3 u/ U8 _$ L" s8 B( e# y至于是负解还是正解，这个需要测试。
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1. opid_no:0

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1. fmt "E" 4 wofs_no
   & T8 c$ A3 O% z6 }% B
2. fmt 2 var_m1
   * S8 @5 e, m" U8 A5 ~3 W
3. fmt 2 var_m2
   ) }- z7 a6 [; `  i0 V/ v( H9 O
4. fmt 2 var_m3
   : g1 @, y' j/ Q+ l5 B" `  y% @& @
5. fmt 2 var_m4
     W& W7 ?1 ?1 W% M9 H& x; V9 d1 S
6. fmt 2 var_m5
   
7. fmt "A" 2 var_m7
   
8. fmt "C" 2 var_m8
   2 e/ e; ?9 J- P& w  s
9. fmt "R" 2 var_m6

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1. pttang_output  #Calce fourth, five axis angle
   3 G7 \; }6 f7 Y- a+ y
2.   if m9$ < 1.000,
   3 z6 R2 {5 Y/ [& A
3.    [
   
4.     if m9$ > -1.0,
   
5.     [
   
6.      var_m6 = atan2(m3$, -m6$)
   6 p4 Q+ n4 \/ O* L9 e% B
7.      var_m7 = acos(m9$)
   ; k1 p5 l" P7 J' ?
8.      var_m8 = atan2(m7$, m8$)
   3 C! U" [. I% K
9.     ]
   
10.    else,
    
11.     [
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12.      var_m6 = atan2(-m2$, m1$)
    9 y7 ^+ n3 Q3 n# ]+ e2 r8 u1 M4 g: S
13.      var_m7 = 180.0
      I5 q) U- A( g: t; N
14.      var_m8 = 0.0
    
15.     ]
    & P' y3 h, l+ ?) p: n, X+ N) Y3 E
16.   ]
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17.     else,
    ) j6 n8 ~. m% b+ O4 p
18.        [
    
19.         var_m6 = atan2(-m2$, m1$)
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20.   var_m7 = 0.0
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21.         var_m8 = 0.0
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22.        ]
    
23.    var_m6 = var_m6 * -1.0
    
24.    var_m7 = var_m7 * -1.0
    
25.    var_m8 = var_m8 * -1.0
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26. &#8203;
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27.    if var_m6 > 180.0, var_m6 = var_m6 - 360.0
    + C  u$ |% {: {
28.    if var_m7 > 180.0, var_m7 = var_m7 - 360.0
    
29.    if var_m8 > 180.0, var_m8 = var_m8 - 360.0
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30. &#8203;
    
31.    if var_m6 < -180.0, var_m6 = var_m6 + 360.0
    
32.    if var_m7 < -180.0, var_m7 = var_m7 + 360.0
    
33.    if var_m8 < -180.0, var_m8 = var_m8 + 360.0
    
34.    pang_format_def
    
35. 
    

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1. 
   $ N3 {9 A# J; V) {6 ], N* c
2. pang_format_def
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3.       wofs_no = workofs$
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4.       if workofs$ < 6, wofs_no = workofs$ + 54
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5.       else, wofs_no = workofs$ - 5
   
6.       "G0", *var_m7, *var_m8, e$
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7.       "G65 P9800 X0. Y0. Z0.", *wofs_no, *var_m7, *var_m8, e$
   ! \7 k8 g) l& Q/ G# G* Y
8.       "G68 X0 Y0 Z0", *var_m6 , e$

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1. O9800(WCS SHIFT CALCU PROGRAM)
   
2. #11=#5221
   & g3 w( A4 o9 A$ S+ K
3. #12=#5222
   
4. #13=#5223
   6 E' f  I4 g9 C& ~4 ^
5. #21=0.(FIRST ROTATION CENTER X IN MCS)
     y1 {- n" c$ O- W+ L0 D
6. #22=0.(FIRST ROTATION CENTER Y IN MCS)
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7. #23=-375.(FIRST ROTATION CENTER Z IN MCS)
   
8. #104=#11-#21
   
9. #105=#12-#22
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10. #11=COS[#3]*#104+SIN[#3]*#105+#21
    
11. #12=COS[#3]*#105-SIN[#3]*#104+#22
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12. #13=#13
    $ a' _2 C" J2 q; ], ~5 q
13. #101=0.(SECOND ROTATION CENTER X IN MCS)
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14. #102=0.(SECOND ROTATION CENTER Y IN MCS)
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15. #103=-375.(SECOND ROTATION CENTER Z IN MCS)
    
16. #31=#24
    
17. #32=#25
    
18. #33=#26
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19. #105=#12-#102
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20. #106=#13-#103
    
21. #107=#11+#31
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22. #108=COS[#1]*#105+SIN[#1]*#106+#102+#32
    % k& [. ]1 B1 X2 m8 d
23. #109=COS[#1]*#106-SIN[#1]*#105+#103+#33
    
24. IF[#8GT54] THEN G90G10L2P[#8-53]X#107Y#108Z#109
    
25. IF[#8LT49] THEN G90G10L20P#8X#107Y#108Z#109
    " }. d1 j- u5 \: I! s& U0 h7 a
26. M99

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1. psof$            #Start of file for non-zero tool number
   
2.        pttang_output
   
3. &#8203;

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1. ptlchg0$ #Call from NCI null tool change (tool number repeats)
   4 }( L4 f) L) y- W
2.      if opid_no <> prv_opid_no, pttang_output

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1. #region Tool change / stage tool
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2. ptlchg$          #Tool change
   
3.       pttang_output
   
4. &#8203;

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1. ptlchg1002$      #Call at actual toolchange, end last path here
   
2.        !opid
   4 ]) h) \3 _$ l. F. Z- |6 B5 ~- Z
3.        opid_no=opinfo(15240,0)

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输出结果
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1. %
   
2. :0001(PROGRAM - 3+2_BC)
   
3. (DATE - MAY. 21 2021)
   
4. (TIME - 21:03)
   
5. (MCX FILE - G:\5AXIS_TCP\TEST_PART.MCAM)
   
6. (NC FILE - G:\5AXIS_TCP\3+2_BC.NC)
   
7. (MATERIAL - ALUMINUM INCH - 2024)
   % K+ A0 w% g/ A
8. (T1 | 0.75 BULL-NOSED ENDMILL | H1)
   
9. (T2 | 1/4 DRILL | H2)
   
10. (T3 | 0.375 SPHERICAL / BALL-NOSED ENDMILL | H3)
    
11. (T4 | 0.5 FLAT ENDMILL | H4)
    
12. G0 G17 G20 G40 G49 G80 G90
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13. G0 G28 G91 Z0.
    
14. G0 G28 X0. Y0.
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15. G90G10L20P48X-5.0Y-5.Z-6.9075B0.C0.
    
16. (0.75 BULL-NOSED ENDMILL | TOOL - 1 | DIA. OFF. - 1 | LEN. - 1 | TOOL DIA. - .75)
    ' C( \+ K% D; h: d  J# e8 ]- P
17. G65P9017R48. S8. X0. Y0. Z0. B0. C0.
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18. T1 M6
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19. G0 G90 G54.1 P8 G90 X-2.1992 Y-2.6934 C0. B0. S8500 M3
    
20. T2 G43 H1 Z4. M8
    
21. Z.2
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22. G1 Z0. F500.
    
23. X-2.2811 Y-2.4942 F100.
    
24. X-2.3163 Y-2.4083
    
25. G3 X-2.3531 Y-2.3531 I-.1561 J-.0641
    / y, e3 l2 S8 P" M2 g2 \
26. G2 X-3.0254 Y.0084 I2.3875 J1.9562
    
27. 
    
28. X-.0544 Y-.3775 I-.3688 J.0947
    
29. X-.2487 Y-.1778 I.0442 J.2374
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30. G1 X-.2588 Y-.1197 Z.0075
    5 {$ S( f9 b* o- v+ s3 C$ W& Q# R. X$ H
31. X-.2776 Y-.0115
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32. G0 Z4.
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33. G65P9017R48. S9. X0. Y0. Z0. B-45.864 C-89.002
    
34. G90 G54.1 P9 X1.5533 Y-2.7347 Z4. C-89.002 B-45.864
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35. Z1.5124
    
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38. Y2.1777
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40. Y-2.5097
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41. Y-2.7347
    
42. G0 Z4.
    
43. G65P9017R48. S10. X0. Y0. Z0. B-45.864 C-149.002
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44. G90 G54.1 P10 X2.0197 Y-2.3597 Z4. C-149.002 B-45.864
    
45. Z1.5124
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49. X1.5533
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50. Y-2.1347
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51. Y-2.3597
    
52. G0 Z4.
    
53. G65P9017R48. S11. X0. Y0. Z0. B-45.864 C-209.002
    
54. G90 G54.1 P11 X1.5533 Y-2.3597 Z4. C-209.002 B-45.864
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59. X2.0197
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60. Y-2.1347
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61. Y-2.3597
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62. G0 Z4.
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63. G65P9017R48. S12. X0. Y0. Z0. B-45.864 C-269.002
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64. G90 G54.1 P12 X1.5533 Y-2.3597 Z4. C-269.002 B-45.864
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67. Y-2.1347 F100.
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68. Y2.1777
    
69. X2.0197
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70. Y-2.1347
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71. Y-2.3597
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73. G65P9017R48. S13. X0. Y0. Z0. B-45.864 C-329.002
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75. Z1.5124
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76. G1 Z1.3124 F500.
    
77. Y-2.1347 F100.
    
78. Y2.1777
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79. X2.0197
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80. Y-2.1347
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81. Y-2.3597
    
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83. G65P9017R48. S7. X0. Y0. Z0. B-45.864 C-389.002
    
84. G90 G54.1 P7 X1.5533 Y-2.3597 Z4. C-389.002 B-45.864
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85. Z1.5124
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86. G1 Z1.3124 F500.
    
87. Y-2.1347 F100.
    
88. Y2.1777
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89. X2.0197
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90. Y-2.1347
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91. Y-2.3597
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92. G0 Z4.
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93. G65P9017R48. S1. X.375 Y-.5 Z.75 B-80. C-420.
    
94. G90 G54.1 P1 X.4769 Y-3.2014 Z4.75 C-420. B-80.
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95. Z2.2056
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96. G1 Z2.0056 F500.
    
97. Y-2.9764 F100.
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98. Y2.9764
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99. Y3.2014
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100. X.9769
     
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123. Z2.2056
     
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137. Y2.9764
     
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140. X2.4769
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147. Y-3.2014
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150. G90 G54.1 P3 X.4769 Y-3.2014 Z4. C-540. B-80.
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151. Z2.2056
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152. G1 Z2.0056 F500.
     
153. Y-2.9764 F100.
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154. Y2.9764
     
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157. Y2.9764
     
158. Y-2.9764
     
159. Y-3.2014
     
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161. Y-2.9764
     
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163. Y3.2014
     
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165. Y2.9764
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175. Y-3.2014
     
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187. Y-3.2014
     
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205. G65P9017R48. S5. X0. Y0. Z0. B-80. C-660.
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