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Thread: Tapping

  1. #1
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    Tapping

    What is the code that is best for tapping 5-40 thread on puma240. I tryed G84 ,G32 I must be missing something. The taps are breaking hole size is .105.Drilling .690 deep tapping .500deep.


  2. #2
    Registered chucker's Avatar
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    TAPPING

    Are you using a floating holder? could you post your code so we can help you better


  3. #3
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    machines cant rigid tap, that I am aware of. We just use a G1. With a floating head make sure you use a feed rate a couple thousanths slower than the lead of your tap. and when you reverse your chuck to retract use a feedrate a couple thousanths faster than you lead. Also remember that if you want to achieve a thread 1/2" deep you may need to make your tap feed just a little less than that so that when the turret stops moving and the chuck comes to a stop it wont go to deep

    example

    g0g54t0101
    m3s250
    x0z.1
    g1z-.48f.023
    m5
    g4x1000
    m4s250
    g1z.1f.027
    g0x10.z10.
    t0100
    m1


  4. #4
    Registered MysticMonkey's Avatar
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    Example of rigid tapping on a Daewoo/Doosan

    O1500 (M/SP RIGID TAP)
    T0303 G40 G80
    G99 G0 G54 X0.0 Z10.0
    M29 S500 (RIGID TAP, SPEED 500RPM)
    G84 Z-20.0 R10.0 F1.5 (TAP CYCLE)
    G80
    G0 Z50.
    M30
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