cnc programing tutorials

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Thursday, June 3, 2010

G-CODES used in cnc

1. G00 - Rapid move (not cutting)
2. G01 - Linear move
3. G02 - Clockwise circular motion
4. G03 - Counterclockwise circular motion
5. G04 - Dwell
6. G05 - Pause (for operator intervention)
7. G08 - Acceleration
8. G09 - Deceleration
9. G17 - x-y plane for circular interpolation
10. G18 - z-x plane for circular interpolation
11. G19 - y-z plane for circular interpolation
12. G20 - turning cycle or inch data specification
13. G21 - thread cutting cycle or metric data specification
14. G24 - face turning cycle
15. G25 - wait for input #1 to go low (Prolight Mill)
16. G26 - wait for input #1 to go high (Prolight Mill)
17. G28 - return to reference point
18. G29 - return from reference point
19. G31 - Stop on input (INROB1 is high) (Prolight Mill)
20. G33-35 - thread cutting functions (Emco Lathe)
21. G35 - wait for input #2 to go low (Prolight Mill)
22. G36 - wait for input #2 to go high (Prolight Mill)
23. G40 - cutter compensation cancel
24. G41 - cutter compensation to the left
25. G42 - cutter compensation to the right
26. G43 - tool length compensation, positive
27. G44 - tool length compensation, negative
28. G50 - Preset position
29. G70 - set inch based units or finishing cycle
30. G71 - set metric units or stock removal
31. G72 - indicate finishing cycle (EMCO Lathe)
32. G72 - 3D circular interpolation clockwise (Prolight Mill)
33. G73 - turning cycle contour (EMCO Lathe)
34. G73 - 3D circular interpolation counter clockwise (Prolight Mill)
35. G74 - facing cycle contour (Emco Lathe)
36. G74.1 - disable 360 deg arcs (Prolight Mill)
37. G75 - pattern repeating (Emco Lathe)
38. G75.1 - enable 360 degree arcs (Prolight Mill)
39. G76 - deep hole drilling, cut cycle in z-axis
40. G77 - cut-in cycle in x-axis
41. G78 - multiple threading cycle
42. G80 - fixed cycle cancel
43. G81-89 - fixed cycles specified by machine tool manufacturers
44. G81 - drilling cycle (Prolight Mill)
45. G82 - straight drilling cycle with dwell (Prolight Mill)
46. G83 - drilling cycle (EMCO Lathe)
47. G83 - peck drilling cycle (Prolight Mill)
48. G84 - taping cycle (EMCO Lathe)
49. G85 - reaming cycle (EMCO Lathe)
50. G85 - boring cycle (Prolight mill)
51. G86 - boring with spindle off and dwell cycle (Prolight Mill)
52. G89 - boring cycle with dwell (Prolight Mill)
53. G90 - absolute dimension program
54. G91 - incremental dimensions
55. G92 - Spindle speed limit
56. G93 - Coordinate system setting
57. G94 - Feed rate in ipm (EMCO Lathe)
58. G95 - Feed rate in ipr (EMCO Lathe)
59. G96 - Surface cutting speed (EMCO Lathe)
60. G97 - Rotational speed rpm (EMCO Lathe)
61. G98 - withdraw the tool to the starting point or feed per minute
62. G99 - withdraw the tool to a safe plane or feed per revolution
63. G101 - Spline interpolation (Prolight Mill)

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