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Type: Posts; User: Algirdas

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  1. Replies
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    Re: OKUMA 1181-11 MCS DIFF OVER X AXIS ERROR

    Update your PR Zero offset to get the present position in between the limits. You need to adjust zero settings and limit settings after.
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    45

    Re: please, question about transfer cut

    you need turn off the spindle sinchronisation instantly after transfer.
  3. Re: Hobbiest: Controller Software for Arduino 4 axis CNC with dual Y steppers.

    Loks like the module or connection is bad. Do you use the same cable for GrblGru and UGS?
    bootloader is (small) program enabling serial communication and some functions like LED control, reaction...
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    Re: KITAGAWA USA ?

    Kitagawa Japan is here
    Do you think knowing the difference helps you with your second hand purchase? Kitagawa local representatives work at local work hours and speak local language. If you call...
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    Re: DSP help please!!

    sorry to interrupt.
    First of all, what's wrong with Windows XP? The best ever Microsoft Operating system after Windows'95 in my opinion.
    Next, you can run Windows XP on virtual ( VMWare Player, for...
  6. Re: please, how to determine arch orientation ?

    :-) got it. It's all about center of arc in regards to work point direction.
    if the center of arc is on the right, it is G02 ( clockwise )
    ir the center of arc is on the left, it is G03 (...
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    Re: Max spindle speed

    I still don't get the initial question.
    The massive chuck makes a big difference on spindle acceleration/ deceleration. And first of all, the jaws are pulled out stronger with rpm increase....
  8. Re: Okuma Thru Tool Coolant Line Filter Clogged

    I would try to clean the filter if it is not damaged yet.
  9. Re: please, how to determine arch orientation ?

    can you please, illustrate trigonometric and not trigonometric arc. I understand trigonometric as all shape what is possible to measure, describe and build using (plain) trigonometry - the laws of...
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    Re: Can't eliminate backlash, please help

    I would advce to find out the root of the error.
    what is accuracy and repeatability of axis positioning? That's the point to start from.
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    Re: Need 3d to 2d Drafting software Asap!

    Rhinoceros 3D ...?
  12. Re: Need help with calculating tool nose compensation

    "calculated" tool path for 90°, covers the path for less, right? Just find the point of transition to the next shape element.
  13. Thread: BL/PREX motor

    by Algirdas
    Replies
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    201

    Re: BL/PREX motor

    maybe "Primary" means permanent magnet ( no external excitation ) sine you can easy note, that Okuma PREX motors contains crazy strong permanent magnets.
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    Re: MX45VAE Will not move after startup

    if the pannel is not locked try select the MDI mode and command, for instance S500M3. OSP should show some alarm message.
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    Re: Emergency Stop.

    That's not safe.
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    Re: OKUMA MX-55 With U10M Control System

    Check with your specifications. Maybe there is a limit how many rounds the A axis can rotate before reset. That means the A axis cannot run the same direction continuously.
    There is a special...
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    Re: To Okuma Corporation

    Thank you for valuable input, Mr. MCR-B II. I guess, you are new to this field.
    Okuma will drop the design philosophy and follow your advice instantly. The old machines will be retrofited. Is...
  18. Re: Rigid Tapping G84, reversing feed out faster

    Looks like you use feed rate per minute? Use feed per revolution. Maybe other "canned cycle" would work better.
  19. Re: Hardinge Talent 10/78 - LNS Quickload Servo S3

    There are different approaches of bar feeder control. When I install some on machines sold by our sales departament, I provide safety training for operators.
    My advice - ask seller to teach you.
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    Re: Determine Vee Bit diamtre

    a question: for PCB engraving, why do you want to know the tip radius?
    I would say you care about depth enough to remove all the copper ( plus a little deeper for reliability ) and that's it ...
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    467

    Re: Emergency Stop.

    the input reacts to high voltage either to low. Connect the input to low voltage through resistor ( 1kohm should work ) and use your EStop contacts to connect high voltage to the input.
    When Estop...
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    Re: Stepper motor positioning error

    A bit basic:
    stepper motor makes one step per one pulse. If you will generate 1kHz you will get 1000 steps per second.
  23. Re: Spindle motor selection for small cnc lathe

    You don't need any stepper if you have servo. Servo is better at this approach. Single motor, of course.
  24. Re: Man, am I the only one that wants a highly accurate machine?

    Mr.CitizenOfDreams That's exactly what I mean. The human can carve manualy quite precise parts because of reaction to variation of conditions. Traditional machine tools need rigidity for...
  25. Re: Problem with precision in 6040 cnc machine

    check repeatability as well ... backlash ... and so ...
  26. Re: Man, am I the only one that wants a highly accurate machine?

    The new branch of industry is up to start with totaly new philosophy of accuracy. You can get high accuracy without rigid frame, without casted body if you use high accuracy vision or whatever other...
  27. Re: Problem with precision in 6040 cnc machine

    Normally machnists use indicators. Can be precission 10 microns or 2 microns or 1 micron. You should have tho one as well. With this indicator you can check accuracy, repeatability of the movement...
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    Re: CNC Lathe Programming Question

    Mr. deadlykitten is right - Okuma IGF does this job very easy :-) . Take the .MIN file and use it on your lathe :-)
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    Re: Speaker Front CNC cutting question

    reduce the feedrate, maybe it will help.
  30. Re: Problem with MX4660 Fault output on DB25 PIN #15

    the output type could be "dry contact". Means, active state is contact closed, inactive state - contact open. Check with multimeter for continuity.
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