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Type: Posts; User: Algirdas

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  1. Replies
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    Re: Running bore bar

    It doesn't look "long" enough to chatter. Check ir your cutting point is not above the rotation axis.
  2. Re: Kitamura clamp pressure vs drawbar stroke range

    Check the architecture of your machine. I guess, the clamping force is created by spring, it could be ( 5 ... 15 ) tons. Hidraulics used for unclamp only
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    only...
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    454

    Re: Machining error

    where the picture is?
  4. Re: Best and worst controller era or series for spare parts?

    Okuma (y)
  5. Replies
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    785

    Re: Reaming out holes

    your line 5 and 12 are the same. It is X location. Since you drilled the next hole on X=15, the next reaming should start X=15 as well.
  6. Re: Need some help with a good starting point for Rigid Tapping RPM on Aluminum

    Some factors to take in account:
    1. Recommended cutting speed for the workpiece material.
    2. Recommended cutting speed for the tap.
    3. machine capability ( is there enough torque at selected rpm )...
  7. Re: HELLO PLZ HELP ME THIS PROBLEM machine serial number is AA1/017045

    Delete the part program.
  8. Replies
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    349

    Re: Okuma Genos - Alarm-B 2785 - Presetting

    What are coordinates of the touch setter? Is it touch setter on OSP?
    There is semi-automatic procedure of touch setter cordinate settings, very similar to tooltip settings.
  9. Re: Okuma twin spindle - Synchronization - G140 G141 M110

    Can I ask from very beginning?
    You want to transfer the workpiece from A spindle to the B spindle. You don't use the chuck on the B spindle, you use the screw instead. Since you don't need a...
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    Re: lathe tool and work offsets

    what I see from your story, there is a bit tricky workpiece zero setting together with tooltips offsets. Don't know the Linux control system, but if you can check the idea.
    The approach is used by...
  11. Replies
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    Re: Help with npt 3/8-18

    IGF?
  12. Re: There is quite problem with drive parameters

    numerous solutions available. Can you describe what you did already and what happens?
  13. Thread: need a motor

    by Algirdas
    Replies
    11
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    679

    Re: need a motor

    you don't need a new motor. Check with multimeter if any of windings is not burned. Better- go to the motor repair ( rewind service ) workshop and ask to test the motor. They have a special stands...
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    Re: Spindle motor wiring diagram

    on the label of your motor 230VAC is for delta (triangle) connection. Means, you need to connect jumpers "three in parallel" way, as drawn in framed picture.
    The motor connection on the last bottom...
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    Re: groove in a cylinder

    a ring with groove dimentions and boolean union.
  16. Replies
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    274

    Re: Turret Not seating after crash

    Of course it is ouf of allignment now. You can check if your cutter nose goes through the rotation center moving X axis.
    Recall the installation of the lathe. Normally two tapered pins should be...
  17. Re: How do I backup programs to USB on OSP-E100L controller?

    You can transfer part program files, schedule files nad parameter files via serial interface ( RS232 ) as well.
    Did you got the manuals belonging to the machine?
  18. Replies
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    430

    Re: Indicate feed for G01 after a G00?

    G01 setting is global, means is active until overwritten.
  19. Replies
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    664

    Re: Stepper and pid

    in my understanding there is nothing related to PID. Right?
    Only you can decide what is the cheapest way. For me the cheapest solution is if I take a hardware from my shelf and start the design...
  20. Replies
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    Re: Construction of a CN lathe

    concerning step motors. Think twice. Do you know and industrial brand using steppers for axis control?
  21. Replies
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    9,321

    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.
  22. Replies
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    575

    Re: please, question about transfer cut

    you need turn off the spindle sinchronisation instantly after transfer.
  23. 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...
  26. 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....
  28. Re: Okuma Thru Tool Coolant Line Filter Clogged

    I would try to clean the filter if it is not damaged yet.
  29. 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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