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Type: Posts; User: lcvette

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  1. Adding MPG to Fanuc 21TB Hardinge cobra 42 lathe?

    Hey all,

    I am trying to find if any here may have any information as to the wiring and parameters for adding an MPG to a Fanuc 21tb used on a hardinge cobra 42 circa 1998. I have the schematics...
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    Re: Vari-Grip collet closer rotary union

    Did you ever resolve this? I have a cobra42 hardinge lathe with the same leaking air issue and looking to find a solution other than buying a multi thousand dollar replacement. thanks in advance!
    ...
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    Re: Cobra 42 Fusion 360 post

    Cool! That's awesome, once i pick it up and get it setup I'll take a look at the post and see about coding everything for the post to get it working. Any other info on the machine you could share...
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    Re: Cobra 42 Fusion 360 post

    I'm hoping to be the new owner of a Cobra 42 very shortly and just trying to get some information lined up.

    For the drilling cycles, does the cobra 42 accept a drilling cycle? Or is it that...
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    Re: Going out on a limb

    I would be interested in the SL6 lathe, I am in the Coastal region of NC, let me know if your considering piecing out!

    Chris
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    Re: Cobra 42 Fusion 360 post

    did you ever figure this out?
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    Re: Chinese XK7130 a complete experience Review!

    Muzzer, as stated above, this is a gui built on a new platform of designer, qtpyvcp. It's totally it's own gui running on linuxcnc. We hope to expand it as time goes on with conversational...
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    Re: Chinese XK7130 a complete experience Review!

    Another video and overview of the reparability of the machine and probe as well as a little overview of the probing functionality of the new gui!

    https://youtu.be/nYfudfrebxY

    Sent from my...
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    Re: Chinese XK7130 a complete experience Review!

    New graphical user interface in testing wanted to post up a teaser video. What I can recommend strongly after using it in testing the probing routines of the interface is this touch probe from...
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    Re: Chinese XK7130 a complete experience Review!

    I recommend going with still over a none branded non us company. The after sport had been horrible from this manufacturer so no I would not recommend runfa.



    Sent from my QTAIR7 using Tapatalk
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    Re: Chinese XK7130 a complete experience Review!

    More..
    ...
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    Re: Chinese XK7130 a complete experience Review!

    Hey guys, sorry for the long delay, but I focused on some new projects, they were machine related for this machine and others and will hopefully add some value to the cnc community! I will just toss...
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    Re: Chinese CNC Lathe

    Just and FYI, You can always purchase a Chinese spindle servo, they aren't very much money and should be easy to connect to the GSK controller. My Chinese VMC uses a 5.5KW spindle servo and it has...
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    Re: Chinese XK7130 a complete experience Review!

    I still see it..

    Sent from my QTAIR7 using Tapatalk
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    Re: Chinese XK7130 a complete experience Review!

    I think that o am probably going to run open loop with the best servo drive tune due to the fact that the motion is smoothest. I can absolutely tell you that in full closed loop at this point in...
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    Re: Chinese XK7130 a complete experience Review!

    Hey All,


    I have been tuning the drives and learning to tune the PID in Linuxcnc, not an easy undertaking since I'm so new to both, but I have managed to get a handle on it with a lot of...
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    Re: Chinese XK7130 a complete experience Review!

    Oh wow, $2k is steep, what HP is the motor and drive? What type spindle motor does the Fadal use by the way?

    Sent from my QTAIR7 using Tapatalk
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    Re: Chinese XK7130 a complete experience Review!

    Yup... I know myself, if I don't do it now...lol. I never put home switches on my g0704 because I started making chips..lol then it was never a convenient time to talk into it and my work around want...
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    Re: Chinese XK7130 a complete experience Review!

    That's awesome!!! I love Fadal machines! That's what I was considering before this machine. Do you just need a new breaking resistor? I know those go sometimes. I don't think that's slow but again...
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    Re: Chinese XK7130 a complete experience Review!

    Have a video? What's a slow tool change In your opinion, I'm new to too changes so I'm not sure, I'm guessing mine is slow. It definitely is compared to arm type I've seen on YouTube.. but it's also...
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    Re: Chinese XK7130 a complete experience Review!

    My machine has 6mm screws, Clint's machine has 10mm screws, so everything is relative..

    X and Y 3000rpm servos
    Z 2500rpm servo

    6mm lead screw machine
    X and Y - 708 IPM rapid
    Z - 590 IPM...
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    Re: Chinese XK7130 a complete experience Review!

    Yup! Fully capable of rigid tapping! The spindle is run with encoder feedback to linuxcnc and when rigid tapping is called the spindle and z axis are linked. The spindle is actually controlled with...
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    Re: Chinese XK7130 a complete experience Review!

    I have them off right now while I set limit distances.

    Sent from my QTAIR7 using Tapatalk
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    Re: Chinese XK7130 a complete experience Review!

    Thank you sir and sorry for the late reply.. been busy these last few weeks with work and every state moment posing to get the mill finished. I am happy to say the major hurdles are completed!! She...
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    Re: Chinese XK7130 a complete experience Review!

    ok quick update!! wiring is complete!! who hoo!! I am just getting my feet wet in linuxcnc, I have with the help of some really great people of the linuxcnc forum and IRC skunkworks, PCW, TomL been...
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    Re: Chinese XK7130 a complete experience Review!

    New drive cables should arrive tomorrow, took the weekend to work on the flood coolant system.. Did a few upgrades to the sick single line that came on it. Upgraded the hose to 3/4" ID, added a 20...
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    Re: Chinese XK7130 a complete experience Review!

    Ok, so I've completed the working schematic for the most part with the combination of the 7i76 and 7i77 boards now and have set up my wiring station at the back of the machine. I sent of the PDF to...
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    Re: Chinese XK7130 a complete experience Review!

    I'm back working on it pretty steady right now I've got the front panel all finished and steady working on the back cabinet wiring in the evenings. I made a few changes along the way to a mesa...
  29. Re: Is a treadmill motor a GOOD VFD / 3 phase induction motor substitute?

    That may be the only motor I never tried on my G0704..lol. What is your limiting factor for MRR being set at 1in³ per minute? I run a 2hp general purpose 3ph AC motor and below is my safe no issue...
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    Re: G0704 Tapered Bearing Upgrade

    Did you break them in fully? They do get hot on initial run in, but that will subside after the break in process and also be sure you have properly preloaded the bearings according to the mfg...
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