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Thread: Lathe thread

  1. #1
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    Default Lathe thread

    Hi
    I'm interested in the gcode for cutting multiple threads on a lathe.



    I would like to get an example of a finished program. (M20*2.5 L10)

    I would like to get a link to the full guide on gcode for PlanetCNC

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  2. #2
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    Default Re: Lathe thread

    Quote Originally Posted by R2D3 View Post
    Hi
    I'm interested in the gcode for cutting multiple threads on a lathe.



    I would like to get an example of a finished program. (M20*2.5 L10)

    I would like to get a link to the full guide on gcode for PlanetCNC

    This code will cut a single-start thread.

    It does not work with the current release of TNG as this version doesn't support G76, but should be OK with CNC USB & TNG 2017 beta software.

    I think it will work when TNG v2 is released.

    (PLANETCNC-TNG LINUX-CNC)
    (ECAM V4 ***LATHE*** )
    (CREATED ON 27/07/2019 AT 23:19)
    (PART DESCRIPTION: BRASS THREAD)
    (PROG NUMBER: 1)
    (STOCK O/D: 20.000)
    (STOCK I/D: 0.000)
    (STOCK LENGTH: 25.000)

    (------------------ TOOL LIST ------------------)
    (TOOL:EXTERN THREAD TOOL )
    (-----------------------------------------------)

    (SINGLE START THREAD)

    G08 G18 G21 G40 G54 G61 G80 G90

    (M20 X 2.5)
    (EXTERN THREAD TOOL )
    (MAX Z TRAVEL: 2.500)
    (MIN Z TRAVEL: -10.000)
    (MAX X TRAVEL: 10.500)
    (MIN X TRAVEL: 8.466)

    G94 T15 G43 H15 M6
    G97 S600 M3 G04 P1 M8
    G0 X10.500 Z2.500
    G76 P2.500 Z-10.000 I-0.500 J0.280 K1.534 E1.534 H2 L2 Q29.4 R1.7
    G0 X10.500 Z2.500
    G53 X40.000 Z100.000
    M5
    M9
    M2



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