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。
不支持原点平移或坐标偏移。
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。
: {2 o4 i! j1 R" e! N8 s; O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。
; m/ h# R$ C' J0 B. g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。
3 d- z: k1 K1 B* w' b' p: XG54为基准坐标系，倾斜面的坐标系编号不可为0或小于0。
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% t! [; O; [0 Y9 u" d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
   
2. fmt 2 var_m1
   
3. fmt 2 var_m2
   
4. fmt 2 var_m3
   6 D0 K" y! l. [2 i0 d' `
5. fmt 2 var_m4
   
6. fmt 2 var_m5
   ' q& A! |$ {3 ^: i$ Y
7. fmt "A" 2 var_m7
   
8. fmt "C" 2 var_m8
   8 Q. c0 B' u6 D5 ~- _
9. fmt "R" 2 var_m6

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1. pttang_output  #Calce fourth, five axis angle
   
2.   if m9$ < 1.000,
   
3.    [
   3 y3 p6 A4 e( O; o
4.     if m9$ > -1.0,
   
5.     [
   9 i  a- E  ]# d. M0 E) `( _  F
6.      var_m6 = atan2(m3$, -m6$)
   
7.      var_m7 = acos(m9$)
   
8.      var_m8 = atan2(m7$, m8$)
   
9.     ]
   
10.    else,
    
11.     [
    4 G, E+ F! ^' \, _# K+ @9 j
12.      var_m6 = atan2(-m2$, m1$)
    6 D+ Z' H& t# N& e8 D1 U5 J# k6 k
13.      var_m7 = 180.0
    
14.      var_m8 = 0.0
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15.     ]
    
16.   ]
    
17.     else,
    
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
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24.    var_m7 = var_m7 * -1.0
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25.    var_m8 = var_m8 * -1.0
    
26. &#8203;
    
27.    if var_m6 > 180.0, var_m6 = var_m6 - 360.0
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28.    if var_m7 > 180.0, var_m7 = var_m7 - 360.0
    
29.    if var_m8 > 180.0, var_m8 = var_m8 - 360.0
    
30. &#8203;
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31.    if var_m6 < -180.0, var_m6 = var_m6 + 360.0
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32.    if var_m7 < -180.0, var_m7 = var_m7 + 360.0
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33.    if var_m8 < -180.0, var_m8 = var_m8 + 360.0
    
34.    pang_format_def
    * ^+ U8 v$ @) F( t; n+ o1 {
35. 
    + n, M* u" C5 e2 J* T

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1. 
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2. pang_format_def
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3.       wofs_no = workofs$
   
4.       if workofs$ < 6, wofs_no = workofs$ + 54
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5.       else, wofs_no = workofs$ - 5
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6.       "G0", *var_m7, *var_m8, e$
   
7.       "G65 P9800 X0. Y0. Z0.", *wofs_no, *var_m7, *var_m8, e$
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8.       "G68 X0 Y0 Z0", *var_m6 , e$

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1. O9800(WCS SHIFT CALCU PROGRAM)
   
2. #11=#5221
   
3. #12=#5222
   
4. #13=#5223
   3 S$ Y8 P. t) V# b" P% j) P, ^9 i% J
5. #21=0.(FIRST ROTATION CENTER X IN MCS)
   
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
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9. #105=#12-#22
   
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
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13. #101=0.(SECOND ROTATION CENTER X IN MCS)
    , U8 V" x  ~( \
14. #102=0.(SECOND ROTATION CENTER Y IN MCS)
    
15. #103=-375.(SECOND ROTATION CENTER Z IN MCS)
    / `8 r- j8 O' e' b) z! X
16. #31=#24
    
17. #32=#25
    " b  |: n+ V- k' f; X; |
18. #33=#26
    ) A1 n+ a) W* }5 x' N0 U
19. #105=#12-#102
    ; d' A4 ]: P/ i( ?/ N, f& F
20. #106=#13-#103
    5 U9 n& k! L9 j: L( D
21. #107=#11+#31
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22. #108=COS[#1]*#105+SIN[#1]*#106+#102+#32
    
23. #109=COS[#1]*#106-SIN[#1]*#105+#103+#33
    
24. IF[#8GT54] THEN G90G10L2P[#8-53]X#107Y#108Z#109
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25. IF[#8LT49] THEN G90G10L20P#8X#107Y#108Z#109
    
26. M99

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

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1. ptlchg0$ #Call from NCI null tool change (tool number repeats)
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2.      if opid_no <> prv_opid_no, pttang_output

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

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1. ptlchg1002$      #Call at actual toolchange, end last path here
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2.        !opid
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3.        opid_no=opinfo(15240,0)

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输出结果

1. %
   
2. :0001(PROGRAM - 3+2_BC)
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3. (DATE - MAY. 21 2021)
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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)
   
8. (T1 | 0.75 BULL-NOSED ENDMILL | H1)
   
9. (T2 | 1/4 DRILL | H2)
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10. (T3 | 0.375 SPHERICAL / BALL-NOSED ENDMILL | H3)
    ! Y* n) k! C0 ^; M
11. (T4 | 0.5 FLAT ENDMILL | H4)
    
12. G0 G17 G20 G40 G49 G80 G90
    4 M- T2 h$ d; i+ P
13. G0 G28 G91 Z0.
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14. G0 G28 X0. Y0.
    7 y5 x" o0 v7 p2 w2 I- H+ g- [
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)
    
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
    + f+ H, p9 k) s4 U
22. G1 Z0. F500.
    
23. X-2.2811 Y-2.4942 F100.
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24. X-2.3163 Y-2.4083
    
25. G3 X-2.3531 Y-2.3531 I-.1561 J-.0641
    
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
    ( ?. ~. R) p- h' N
31. X-.2776 Y-.0115
    
32. G0 Z4.
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33. G65P9017R48. S9. X0. Y0. Z0. B-45.864 C-89.002
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34. G90 G54.1 P9 X1.5533 Y-2.7347 Z4. C-89.002 B-45.864
    
35. Z1.5124
    
36. G1 Z1.3124 F500.
    
37. Y-2.5097 F100.
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38. Y2.1777
    
39. X2.0197
    
40. Y-2.5097
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41. Y-2.7347
    
42. G0 Z4.
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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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50. Y-2.1347
    
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52. G0 Z4.
    
53. G65P9017R48. S11. X0. Y0. Z0. B-45.864 C-209.002
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54. G90 G54.1 P11 X1.5533 Y-2.3597 Z4. C-209.002 B-45.864
    
55. Z1.5124
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56. G1 Z1.3124 F500.
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57. Y-2.1347 F100.
    
58. Y2.1777
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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.
    
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
    
65. Z1.5124
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66. G1 Z1.3124 F500.
    
67. Y-2.1347 F100.
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68. Y2.1777
    
69. X2.0197
    
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71. Y-2.3597
    
72. G0 Z4.
    
73. G65P9017R48. S13. X0. Y0. Z0. B-45.864 C-329.002
    
74. G90 G54.1 P13 X1.5533 Y-2.3597 Z4. C-329.002 B-45.864
    
75. Z1.5124
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76. G1 Z1.3124 F500.
    
77. Y-2.1347 F100.
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80. Y-2.1347
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81. Y-2.3597
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82. G0 Z4.
    
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
    
85. Z1.5124
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86. G1 Z1.3124 F500.
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87. Y-2.1347 F100.
    
88. Y2.1777
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89. X2.0197
    
90. Y-2.1347
    
91. Y-2.3597
    
92. G0 Z4.
    
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
    
96. G1 Z2.0056 F500.
    
97. Y-2.9764 F100.
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98. Y2.9764
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102. Y-2.9764
     
103. Y-3.2014
     
104. X1.4769
     
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106. Y2.9764
     
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108. X1.9769
     
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119. Y-3.2014
     
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121. G65P9017R48. S2. X0. Y0. Z0. B-80. C-480.
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130. Y-2.9764
     
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152. G1 Z2.0056 F500.
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161. Y-2.9764
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162. Y2.9764
     
163. Y3.2014
     
164. X1.9769
     
165. Y2.9764
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166. Y-2.9764
     
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177. G65P9017R48. S4. X0. Y0. Z0. B-80. C-600.
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178. G90 G54.1 P4 X.4769 Y-3.2014 Z4. C-600. B-80.
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205. G65P9017R48. S5. X0. Y0. Z0. B-80. C-660.
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207. Z2.2056
     
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209. Y-2.9764 F100.
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