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  1. #13
    Registered
    Join Date
    Oct 2011
    Posts
    64
    WAS THIS DONE WITH ESPRIT.



    Quote Originally Posted by cbr_speedster View Post
    We don't use M140 either. Here's a Sample of L20 code.


    $1
    (10/18/2012 11:31:26 AM)
    G113
    M118
    /M52
    G99
    M6
    G4 U.8
    M9
    G50 Z.411 (LEFT HAND CUTOFF TOOL)
    G0 Z-.05
    G18 M97 G43
    G600

    T0300 (T300 - 80 DEG TURN TOOL .0157R)
    /B9 (ON)
    (TURN O.D.)
    G97 M3 S1=1050
    M97
    G50 S7000
    G0 X2. Z-.01 T03
    G18
    G96 S550
    Z0
    X.8488
    G1 X-.0512 F.005
    X.6672
    X.7455 Z.0391
    Z.0466
    X.9255 Z.1966
    G0 X2.
    Z-.3
    G600
    G97 S1 = 1050
    /B9 (OFF)
    G0 T0
    M98 H1
    G600
    G610

    G18 M97 G43
    G99

    T2200 (T2200 - .5625 DIA. CARBIDE DRILL)
    /B2 (ON)
    (.5625 DRILL)
    M97
    M3 S1 = 1868
    G0 Z-.2 T22
    X.02
    G18
    G83 X.02 Z2.62 F.0017
    G80 Z-.2
    /B2 (OFF)
    G0 T0

    T2100 (T2100 - .375 X 90 SPOT DRILL)
    (.375 X 90 SPOT DRILL)
    M3 S1 = 2800
    G0 Z-.1 T21
    X0
    G18
    Z2.4125
    G83 X0 Z2.7675 R0 F.0045
    G80 Z2.4125
    G0 Z-.1
    G0 T0

    T2300 (T2300 - .250 R.H. BORING BAR)
    G50 U.436
    /B2 (ON)
    (1 - BORE I.D.)
    G97 M3 S1=2500
    M97
    G50 S2500
    G0 X.26 Z-.1 T23
    G18
    G96 S300
    Z2.6125
    X.2885
    G1 X.5245 F.002
    G3 X.561 Z2.6077 R.037
    G1 X.541 Z2.5877
    G0 Z-.1
    (2 - BORE I.D.)
    X.74
    G18
    Z-.0401
    X.708
    G1 X.5773 Z.0253 F.0025
    G0 Z-.1
    (3 - BORE I.D.)
    X.74
    G18
    Z-.0401
    X.732
    G1 X.6225 Z.0147 F.002
    Z2.5755
    G2 X.5485 Z2.6125 R.037
    G1 X.2825
    G0 Z-.1
    G97 S1 = 2500
    /B2 (OFF)
    G0 T0
    G50 U-.436
    G600

    T0300 (T300 - 80 DEG TURN TOOL .0157R)
    /B9 (ON)
    (TURN O.D.)
    M97
    G97 M3 S1=1050
    M97
    G50 S7000
    G0 X2. Z-.1 T03
    G18
    G96 S550
    Z-.05
    X.4688
    G1 Z0 F.005
    X.6672
    X.7455 Z.0391
    Z.8636
    X.9255 Z1.0136
    G0 X2.
    Z-.1
    G97 S1 = 1050
    /B9 (OFF)
    G0 T0

    T0400 (T400 - .105 WIDE CUTOFF- LEFT HANDED)
    G50 W-.5
    /B1 (ON)
    M97
    G97 M3 S1=1050
    M97
    G50 S7000
    G0 X2. Z.27 T04
    G18
    G96 S550
    X.8255
    G1 X.723 F.002
    G0 X.8
    X2. Z.208
    G18
    X.8162
    G1 X.7327 Z.2497 F.004
    X.7273 Z.2501
    G3 X.715 Z.257 R.007
    G1 Z.778
    G0 X3.
    G97 S1 = 700
    /B1 (OFF)
    G0 T0
    G50 W.5

  2. #14
    Registered
    Join Date
    Sep 2013
    Posts
    37
    Quote Originally Posted by glenthemann View Post

    Another major difference is the use of G50Z instead of G120 to set absolute Z zero. Then you use G50W to shift the z zero for your tooling rather than in tool geometry and the axis specificed adjusts accordingly. As far as ive read so far you cannot command a G50 shift when G120 is set on a star, and it is not used in the star programming on our machine which I am very new to, so forgive me if Ive made some errors.

    I cant really think of any more glaring differences, ive noticed that a lot of people program in a bunch of different ways though so I hope I helped a bit,

    Cheers'
    You can still G50W if you use G120. Do it every day.

    Wait till you get G266 and G300


    Sent from my iPad using Tapatalk HD

  3. #15
    Registered
    Join Date
    May 2006
    Posts
    756

    Re: L20 programming

    Old thread revival,
    I hope you experts are still there, we have a L20 and L16 to validate operational and then make parts,
    it was moved and wired this weekend.
    we will need you help after i model the parts we need.
    Thanks.
    i am a mill guy, never touched a citizen only a hardinge
    Been doing this too long

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