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IndustryArena Forum > MetalWorking Machines > Cincinnati CNC > Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help please
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  1. #1
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    Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help please

    hi guys, I want to use a turret held, tight fit 1 inch bar puller to pull bar in. My problem is if I program the chuck to open with g80, the control gives me a chuck error and program stops, it will not move z axis after g80 open jaws cmd. How do I disable this error so program will keep running, Also what is the gcode to make it go back to start of program, and repeat program? thanks in advance...

  2. #2
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    Do you have the bar feed and the software/hardware option from the OEM or are you trying to use a short bar with a thru hole chuck??

    Mike cncmachineservices (dot) com

  3. #3
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    what did you do to remedy? I'm having the same problem!

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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    Do you have the bar feed option on this control????

    Mike CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

  5. #5
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    Look at the setting on system parameters 90 to 93. This is the position to un-clamp the chuck ( or turret) I think, not clear in the manual. The X axis has to be at the top of the travel before the chuck will un-clamp. I am not sure about the G80 code it was used for cancel a can-cycle on a machining center. I could not find a programming manual for your machine. It may not work if you don't have the barfeed option.

    Mike CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

  6. #6
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    On the acramatic 850 the G code reference shows actually an M80 for chuck jaws out, and a M81 for chuck jaws in, which is what i have but it acts as dj described. Not sure where to look for barfeed option, new at lathes. i have an M62 barfeed pusher on and M63 off, but its a royal products turret mounted bar puller, if it would just do what I say it would work fine haha, thanks. Sorry to hijack dj! heres my code

    G01Z-1.75F.004
    G01X0.0F.004
    M80
    G01Z-.265F.004
    M81
    G01Z1.0

  7. #7
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    also the instructions that came with it tell me to do exactly what I have programmed

  8. #8
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    So, did you look at the parameters I suggested? Did you try to put the X-axis all the way to the top prior to un-clamping the chuck with a G80? Does this lathe have 2 switches at the back of the chuck actuator that tell the control that the chuck is open or closed? Let me know.

    Mike CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

  9. #9
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    It looks like you're in the feed per revolution mode you might have to switch to feed per minute.
    Was the spindle stopped when you moved the puller onto the part?
    It would help if you showed a little more of the program.

  10. #10
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    It would benefit everyone on this site if you could respond to the suggestions that are given to you. We are trying to offer you FREE help to correct the problem you have with your machine. If you don't respond to our suggestions, then no one who may have the same problem could benefit. As I pointed out that G80 is not for unclamping the chuck it is a M80 and M81 code. Did you try any of the suggestions, it would be nice to know what worked and what didn't.

    Thanks,

    Mike

  11. #11
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    Yes i had it stopped, gave a little more before and after, thanks Ted, not sure which of us your talking to Mike, but my machine does have the switches.

    N490Z-1.59
    N500G1X.75F.004
    N510X.71Z-1.59F.004
    N520G1X.2F.004
    N530G0X1.
    N540M5

    G01Z-1.75F.004
    G01X0.0F.004
    M80
    G01Z-.265F.004
    M81
    G00X1.0

    N550G0X2.Z1.
    N560M83

  12. #12
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    digging through my pile of manuals i found this, ill give it a shot and report, got a batch of other parts to run first so it may be a couple days. Attachment 264135Attachment 264137Attachment 264139Attachment 264141Attachment 264143

  13. #13
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    What did you find out??? Did you get it to work and what did you need to do?? Did our suggestions help???

    Mike CNC Machine Services INC | Cincinnati Milacron MachinesCNC Machine Services

  14. #14
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    Re: Cincinati Talon 850sx Acramatic Lathe, chuck and bar feed in manual mode. help pl

    To make my bar puller work this is how i programmed it. you have to use G94 with an IPM feed rate


    :9G0G62G70M6T5X3.0Z-2.33
    G94G01X0.0F200.
    M80
    G01Z.070F250.
    M81
    G00X3.0
    M50
    M02

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