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  1. Replies
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    391

    1st off you never stated what control , you...

    1st off you never stated what control , you simply said a 1996 vf2. second the control depending on how the drivers are powered may have zero to do with the voltage I asked you to check. why don't...
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    391

    agreed loose thrust bearings will do that. also...

    agreed loose thrust bearings will do that. also check your 12vdc logic voltage to the drivers. 12+ should be 12.25vdc or it can cause an axis to have harmonics while feeding.
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    1,028

    I totally agree !! doosan has been in several...

    I totally agree !! doosan has been in several times. I have asked the owner if he would like me to take a peek at it . but he is dead set that Doosan has to fix it.
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    989

    I'm not familiar with the msc control. but had a...

    I'm not familiar with the msc control. but had a odd similar situation with a yasnac control. ended up there was still some data that was corrupting the memory. they had me do a complete wipe of...
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    267

    why would you be replacing the linear ways ? in...

    why would you be replacing the linear ways ? in all my years in have only seen a few sets wear out do to lack of oil or grease.
  6. Replies
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    1,028

    I have a customer with a Doosan lathe that has a...

    I have a customer with a Doosan lathe that has a 2 to 3 year old machine. they have had issues from the beginning holding +/- .001 on it. they have to run a 3 hr warm up program in a temperature...
  7. Replies
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    245

    go to your diagnostics page. page down to see...

    go to your diagnostics page. page down to see your DC bus voltage. should be around 340 -350 ish. also check it while the spindle is ramping up.
  8. Replies
    30
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    1,068

    I'd feel confident if I knew what voltages you...

    I'd feel confident if I knew what voltages you had. I'd check them at the power distribution board ( the board that the brakers are on) and yes on the connectors. you can see they are the largest 2...
  9. Replies
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    1,068

    lol that's the message screen. you can write...

    lol that's the message screen. you can write anything you want on that screen and it remembers it. when it's that way have you tried the jog mode or mdi or any other 1? ok if indeed the power supply...
  10. Replies
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    1,068

    ok does the machine have probing?

    ok does the machine have probing?
  11. Replies
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    1,068

    looks like the A axis has a dummy load board on...

    looks like the A axis has a dummy load board on it. does the board have any wires going anywhere else ? not counting the black ,yellow and white going into it .
  12. Replies
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    do believe you could still go back to the atx...

    do believe you could still go back to the atx unit. but I need to see a better picture of all your drivers to see if the +12 and -12 are still being used. or if ur drivers were upgraded to the newer...
  13. Replies
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    1,068

    u still need to check the voltage when it isn't...

    u still need to check the voltage when it isn't booting up to make sure a stack board isn't going bad and that's indeed the power supply to be sure. also if you do verify it is the power supply. it...
  14. Replies
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    the 1 on the bottom that isn't being used anymore...

    the 1 on the bottom that isn't being used anymore , was used for the drivers. it isn't a factory power supply. the power supply that's up top is a multi power supply. it creates a +12, -12, +5 vdc...
  15. Replies
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    1,068

    ok this picture answers everything lol. on the...

    ok this picture answers everything lol. on the same plate as the probe power supply, is the other power supply. its 1 of the upgraded units. those came out around 2009 ish ?? follow the wires from...
  16. Replies
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    1,068

    your power supply should be just to the left of...

    your power supply should be just to the left of the probe power supply. not sure what the hell the 1 in the bottom of the cabinet is. but it isnt factory. my guess is its someone's home made deal...
  17. Replies
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    1,068

    should be top center and either painted gray or a...

    should be top center and either painted gray or a silver color. its cables go to both the power distribution board, and to the stack on the left. the power distribution board on the right and a tad...
  18. Replies
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    if it were me I'd do the multi screw . in my...

    if it were me I'd do the multi screw . in my opinion they do work better than the single 1s.
  19. Replies
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    I know people see a ball bar test is the be all...

    I know people see a ball bar test is the be all do all test. but I have seen them not tell the whole story. I recently was involved in a fadal that was adjusted , and calibrated by a ball bar. after...
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    check your voltage from the low voltage power...

    check your voltage from the low voltage power supply. +5 vdc, +12 vdc, -12vdc. it's ATX computer power supply. if you replace it with a computer power supply. it needs to be at least 250 + watt ....
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    554

    cut a 2 inch round boss and measure across the X...

    cut a 2 inch round boss and measure across the X axis , and directly in the Y axis. and report back. could be backlash. or you could have bad thrust bearing.
  22. Replies
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    433

    as far as hrs that's about 2 years of 1 shift...

    as far as hrs that's about 2 years of 1 shift usage. I have run and serviced all of their models that vintage. only thing I'd check for is squareness of the machine. that will show you if it were...
  23. Replies
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    yes they are not your over the shell vdf. but a...

    yes they are not your over the shell vdf. but a custom unit haas developed that they make in house. it's a much higher in both torque and frequency than what is a standard spindle driver. at 1 point...
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    7,242

    Haas has a torque chart to prove it. with pulsed...

    Haas has a torque chart to prove it. with pulsed DC a 10 hp can produce 2 to 3 times the HP. verses straight AC . it works the same way with the pulse tig welders of today. I have a Miller dynasty...
  25. Replies
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    3,273

    do you have air going to the A axis brake...

    do you have air going to the A axis brake solenoid? and is the solenoid applying air to the table to release the brake ? sounds like either the table isn't getting the air to release the brake. or...
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