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  1. Robotforum - Support and discussion community for industrial robots and cobots
  2. Members
  3. Nation

Posts by Nation

  • IGES Cylindrical Objects not showing up

    • Nation
    • February 13, 2025 at 7:21 PM

    My bad, I was using the CAD converter option.

  • IGES Cylindrical Objects not showing up

    • Nation
    • February 12, 2025 at 6:13 PM

    Try exporting as .x_t. I've had success with that.

  • SSPC-115 Invalid utool number (ST,G:1)

    • Nation
    • February 12, 2025 at 4:24 PM

    An auto update may fix this, but I'm not very confident in it.

    There are a lot of settings/utilities that don't play nice outside of the default range of tool/frame numbers.

  • Angle of robot to Mounting surface setting means

    • Nation
    • February 12, 2025 at 4:21 PM

    It is the rotation about the world Y axis. 0 is floor mount. 90 is wall mount, with the arm pointing towards the floor when at zero position.

  • DCS working sphere?

    • Nation
    • February 10, 2025 at 10:25 PM

    I liked the idea of creating a "poor man's" spherical world zone.

    Here it is:

    Code
    /PROG  POORMANS_WZ
    /ATTR
    OWNER        = MNEDITOR;
    COMMENT        = "In Sphere?";
    PROG_SIZE    = 733;
    CREATE        = DATE 25-02-10  TIME 16:20:56;
    MODIFIED    = DATE 25-02-10  TIME 16:20:56;
    FILE_NAME    = ;
    VERSION        = 0;
    LINE_COUNT    = 20;
    MEMORY_SIZE    = 1057;
    PROTECT        = READ_WRITE;
    TCD:  STACK_SIZE    = 0,
         TASK_PRIORITY    = 50,
         TIME_SLICE    = 0,
         BUSY_LAMP_OFF    = 0,
         ABORT_REQUEST    = 0,
         PAUSE_REQUEST    = 0;
    DEFAULT_GROUP    = *,*,*,*,*;
    CONTROL_CODE    = 00000000 00000000;
    LOCAL_REGISTERS    = 0,0,0;
    /APPL
    /MN
      1:  !Sphere Location (World): ;
      2:  ! X,Y,Z: ;
      3:  R[11:Sphere X]=(1431) ;
      4:  R[12:Sphere Y]=(-506)    ;
      5:  R[13:Sphere Z]=(542) ;
      6:  !Sphere Radius: ;
      7:  R[14:Sphere Radius]=(300) ;
      8:  !Current Position of ;
      9:  ! the active TCP in World. ;
     10:  ! X,Y,Z: ;
     11:  R[15:Curpos X]=($SV_INFO[1].$CART_POS[1]) ;
     12:  R[16:Curpos Y]=($SV_INFO[1].$CART_POS[2]) ;
     13:  R[17:Curpos X]=($SV_INFO[1].$CART_POS[3]) ;
     14:  !Calc dist ^2 ;
     15:  R[18:Dist^2]=(((R[11:Sphere X]-R[15:Curpos X])*(R[11:Sphere X]-R[15:Curpos X]))+((R[12:Sphere Y]-R[16:Curpos Y])*(R[12:Sphere Y]-R[16:Curpos Y]))+((R[13:Sphere Z]-R[17:Curpos X])*(R[13:Sphere Z]-R[17:Curpos X]))) ;
     16:  IF (R[18:Dist^2]<(R[14:Sphere Radius]*R[14:Sphere Radius])) THEN ;
     17:  F[1:In Sphere]=(ON) ;
     18:  ELSE ;
     19:  F[1:In Sphere]=(OFF) ;
     20:  ENDIF ;
    /POS
    /END
    Display More

    I tested it, and it works. I initially tried using local registers to do it, but it looks like background logic does not like them

  • 100i LR Mate Upgrade to 200iC

    • Nation
    • February 10, 2025 at 8:18 PM

    There is a thread where the OP asks about moving programs from an older controller to a newer one, but not quite the leap as you will be making.

    In general, programs are fine to move. Settings and other sensitive stuff should be hand typed.

  • r-30iB mate plus/PLC data only one way

    • Nation
    • February 7, 2025 at 5:16 AM

    Can you post your IO config on the robot side, and the PLC side?

  • Fanuc Robot with GP4000 or SP5000

    • Nation
    • February 3, 2025 at 2:50 PM
    Quote from warhound96

    Thank you vey much for the information. Is there a way to know if we have this option pre-installed maybe? Maybe they have it by default nowadays?

    JeffBO states the easiest way.

    It is very unlikely that your robot will have this option straight out of the box. Fanuc is a lot like Spirit Airlines. They make their money off of the options. At least this option isn't too expensive. At current prices, I will guess it will run about $650.

  • Converting RoboGuide Robot Motion to TP Program for Real-Time Synchronization

    • Nation
    • February 3, 2025 at 2:12 PM

    This seems like a clunky way of doing whatever it is you are trying to accomplish.

    Could you give us a bit more explanation of what you are trying to do? I get that you want the real robot to mirror the virtual, but what is the end purpose of that? There may be better solutions.

  • Make User Frame Command

    • Nation
    • February 1, 2025 at 9:40 PM

    In the irVision tools option, there is a karel program called MERGE3D2. Input 3 position register indexes storing your measurements, and an index where to store the result, and it will compute a frame for you.

    Note: I've never used it, but the documentation (irVision Operator, section 8.1.4) states that is exactly what it does.

    Making a frame seems like overkill though. Could you just do a search along your existing frame axis to verify dimensions?

  • Transferring REAL Value From FANUC to AB PLC

    • Nation
    • January 31, 2025 at 11:53 PM

    Take a look at my explicit messaging thread in the tools sub forum. Unless you need it in real time, that is probably the easiest way to do it.

  • Fanuc Robot with GP4000 or SP5000

    • Nation
    • January 31, 2025 at 4:48 PM

    It is possible. I know of an entire plant that runs using Pro-Face HMIs. No PLCs.

    I was involved in the project back in 2013 to directly interface to the robot. So my memory is a bit fuzzy on the details. I do know you have to have the "basic HMI (SNPX)" option installed on the robot though. If you want to get more than the basics out of the robot, there is some system vars to setup, but the manual goes over them.

  • DCS-zones with variable tool length

    • Nation
    • January 30, 2025 at 4:48 PM

    Fanuc is very aggressive in scrubbing their manuals from the internet. I recommend getting a Fanuc webportal account setup. Your salesman can usually help out with this. All the manuals are available there.

    According to the SR6iA mechanical manual, when J3 is at its zero position, there should be a 3mm gap between the mechanical stopper, and the robot's housing.

    Quote from flipflapflop

    The robot will be picking products from a conveyer. Our client can produce thousands of different products. Eventually our client will be responsible for teaching the products to the vision-system and setting which tool needs to be used in order to pick up the product.
    I'd sleep a lot better if i could guarantee the robot can never crash into the conveyor, even if the operator makes a mistake.

    Keep in mind that DCS does not stop the robot instantly. The robot is a mechanical device, and still requires time to come to a stop. This robot requires about 50mm to bring J3 to a complete stop at 100% with a full payload. More (~12%) if the payload is less.

    You could turn on predictive stop, which causes DCS to project the model at the current velocities to ensure a stop before violating a DCS zone, but in my experience that will lead to a ton of false positives if you need to maintain a fast process.

  • 3dv fanuc W, P, and R values are incorrect. PLEASE HELP!!!!!

    • Nation
    • January 24, 2025 at 6:27 PM

    I placed your numbers into roboguide, and for they look ok-ish.

    image.png

    Both Z directions are pointing in the same direction. There is a bit of rotation around Z.

    How are the picks off? What axis are you picking along?

  • DCS-zones with variable tool length

    • Nation
    • January 24, 2025 at 3:47 AM

    Typically in industry, you program the robot to not impact its surroundings. No extra checks.

    Did you create a tool model? It doesn't look like you did.

    Your mastering may be off for J3 if it doesn't align with the DCS model.

    With that said, you can use tool switching (DCS Manual, section 7.9.1) to change the currently active tool model, but you need to do it with a safe level input to maintain rating.

  • KAREL Multi-tasking vs BG Logic (to queue an action)

    • Nation
    • January 23, 2025 at 3:35 AM
    Quote from geowen

    The reason I've been pursuing this is because it's my understanding that my main program cannot sufficiently monitor a digital input during the execution of a motion program (is this correct?).

    That is what the skip motion option or the monitor command are designed for. The skip monitors IO, or other conditions, during the move, and will finish the move early if the conditions are satisfied. If you don't need the move to stop upon input of the button, you could use the monitor command and a conditional program to set the flag.

    Given what you are trying to do, I would simply do it with background logic. Have it watch the button input, and when high, set the flag. Have the main motion task reset the flag when the alternate path is completed. There is an entire thread in the tools forum going over various BG techniques.

    Karel can interact with flags. They are represented by the FLG boolean port array.

  • DCS process time factor

    • Nation
    • January 17, 2025 at 1:43 AM

    Disabled zones do not contribute to process time factor.

    DCS zones seem like overkill for recovery, but I don't know your cell.

    With that said, make sure your tooling definition does not use the box definition. The box definition is like 20x more expensive than all the others. Changing it out for a bunch of line segments is a great way to reduce PTF.

    Also, Joint position checks are virtually free, so if you can do your check with those, give that a try. Also, you can use JPCs to enable/disable cart zones. I did this on a cell that had a 25m rail to get the PTF under budget.

  • Fanuc E-stop Wiring

    • Nation
    • January 17, 2025 at 12:51 AM

    The fence and estop circuits are dual contact. Both sets of wires need to have contacts on them. Each pair of contacts need to actuate at the same time.

    The way you have it wired will cause single channel faults.

  • writing position register offsets

    • Nation
    • January 17, 2025 at 12:45 AM

    Here is how I would do it:

    Code
    : --eg: Zero out pr8, and set it to XYZWPR Rep. ;
    : PR[8]=LPOS-LPOS ;
    : PR[8,1]=(PR[2,1]*5) ;
    : PR[8,3]=(PR[4,3]) ;
  • How to do 3D automatic plasma cutting with robot?

    • Nation
    • January 16, 2025 at 7:41 PM

    I've done this!

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    However, I never got to 3d geometries.

    Couple of things I would add to SkyeFire's list:

    Make sure your plasma cutter has an automation interface. Most commercial plasma cutters do.

    Unless you are cutting thick materials, you will want to have torch height compensation. This can either be done in the robot itself, or by a small servo in the tool.

    With the tooling, make sure it is electrically isolated from the robot itself. Most robot brands offer insulated faceplates. You don't want the current to go through the robot due to a bad ground or something like that.

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