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  1. #1
    Join Date
    Nov 2003
    Posts
    17

    daewoo npt thread mill

    Guys, i am in need of some sample code for a puma2000sy with live tools.
    i am looking for a threadmill cycle for a1/4-18 thread mill cycle on the side of the part(G19) . my code does not work and i can't find any samples in the operator/program manual.

    thanks, phil

  2. #2
    Join Date
    Jul 2003
    Posts
    263
    have you tried your cam system to generate your code. the code will look goofy but it actually works. i am threadmilling a 24 pitch thread on the side of a part in the lathe at the moment and this is what MCX3 generated. this actually cuts a perfect thread


    PARTIAL CODE



    N10
    (TOOL - 10 OFFSET - 10)
    ( .235 24 PITCH THREAD MILL)
    ( G54 FIN 5/16-24 THREADS )
    M110
    G54 G40
    G19
    G30 U0. V0.
    G30 W0.
    M35
    M290
    G30 H0.
    G0 C0.
    T1010
    G97 S4500 M33
    G98
    M90
    G0 C180.
    M89
    M8
    G0 X.97 Z-.179
    X.49
    G1 G41 Y.0388 F5.
    X.4935
    Y.0374 Z-.169
    X.4969
    Y.0336 Z-.1596
    X.5004
    Y.0274 Z-.1516
    X.5039
    Y.0194 Z-.1454
    X.5074
    Y.01 Z-.1416
    X.5108
    Y0. Z-.1402
    X.5143 Z-.1403
    Y-.01 Z-.1416
    X.5178
    Y-.0194 Z-.1454
    X.5212
    Y-.0274 Z-.1516
    X.5247
    Y-.0336 Z-.1596
    X.5282
    Y-.0374 Z-.169
    X.5317
    Y-.0387 Z-.179
    X.5351 Y-.0388
    Y-.0374 Z-.189
    X.5386
    Y-.0336 Z-.1984
    X.5421
    Y-.0274 Z-.2064
    X.5456
    Y-.0194 Z-.2126
    X.549
    Y-.01 Z-.2164
    X.5525
    Y0. Z-.2177
    X.556 Z-.2178
    Y.01 Z-.2164
    X.5594
    Y.0194 Z-.2126
    X.5629
    Y.0274 Z-.2064
    X.5664
    Y.0336 Z-.1984
    X.5699
    Y.0374 Z-.189
    X.5733
    Y.0387 Z-.179
    X.5768 Y.0388
    Y.0374 Z-.169
    X.5803
    Y.0336 Z-.1596
    X.5837
    Y.0274 Z-.1516
    X.5872
    Y.0194 Z-.1454
    X.5907
    Y.01 Z-.1416
    X.5942
    Y0. Z-.1403
    X.5976
    Y-.01 Z-.1416
    X.6011
    Y-.0194 Z-.1454
    X.6046
    Y-.0274 Z-.1516
    X.6081
    Y-.0336 Z-.1596
    X.6115
    Y-.0374 Z-.169
    X.615
    Y-.0387 Z-.179
    X.6185 Y-.0388
    Y-.0374 Z-.189
    X.6219
    Y-.0336 Z-.1984
    X.6254
    Y-.0274 Z-.2064
    X.6289
    Y-.0194 Z-.2126
    X.6324
    Y-.01 Z-.2164
    X.6358
    Y0. Z-.2177
    X.6393 Z-.2178
    Y.01 Z-.2164
    X.6428
    Y.0194 Z-.2126
    X.6462
    Y.0274 Z-.2064
    X.6497
    Y.0336 Z-.1984
    X.6532
    Y.0374 Z-.189
    X.6567
    Y.0387 Z-.179
    X.6601 Y.0388
    Y.0374 Z-.169
    X.6636
    Y.0336 Z-.1596
    X.6671
    Y.0274 Z-.1516
    X.6706
    Y.0194 Z-.1454
    X.674
    Y.01 Z-.1416
    X.6775
    Y0. Z-.1403
    X.681
    Y-.01 Z-.1416
    X.6844
    Y-.0194 Z-.1454
    X.6879
    Y-.0274 Z-.1516
    X.6914
    Y-.0336 Z-.1596
    X.6949
    Y-.0374 Z-.169
    X.6983
    Y-.0387 Z-.179
    X.7018 Y-.0388
    Y-.0374 Z-.189
    X.7053
    Y-.0336 Z-.1984
    X.7087
    Y-.0274 Z-.2064
    X.7122
    Y-.0194 Z-.2126
    X.7157
    If you can ENVISION it I can make it

  3. #3
    Join Date
    Nov 2003
    Posts
    17
    CNC-King
    using much simpler code to program on Y-axis.
    G50S2000
    G00T1010
    M35
    G28H0
    G98
    G97S2250M33
    M8
    G19
    C90.
    G00X3.775Z-.4564Y0 (rapid position)
    G1G98X2.37F50. (tool position inside hole)
    G1G41Z-.4014F4. (active CC Z distance = K)
    G3K-.055X2.481 (K = difference between major dia and tool dia.)
    (x = pitch)
    G1G40Z-.4564F50. (tool to center of hole)
    this cuts a 1/4_18 NPT with a NPT thread mill

  4. #4
    Join Date
    Jul 2003
    Posts
    263
    I see it is much simpler, did your cam system generate that code? I stopped doing any manual programming since we have Mcam to do that for us. I let MCamX3 generate all my codes. Programs go to the machine with no manual edits needed by me or the operator. If any changes for rpm or feedrates they are incorporated in MCam so it becomes easy if there is a rev change etc.
    If you can ENVISION it I can make it

  5. #5
    Join Date
    Nov 2003
    Posts
    17

    manual

    Na, had to do it myself as i am now a CAMWORKS user. I used MCAM for about 13 years but new job made me switch. MCAM much easer to configure and use. I really miss it.

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