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Fundamentals of CNC Robotics Operation Flashcards

7 cards from real FANUC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Fundamentals of CNC Robotics Operation flashcards as text
  1. Which FANUC robot axis is responsible for the rotation of the wrist roll?

    Answer: J6

    J6 controls wrist roll rotation, allowing the end-of-arm tooling to spin about the tool centerpoint.

  2. What does the FANUC system variable $PARAM_GROUP[ ].$PAYLOAD represent?

    Answer: The maximum tool load in kilograms

    $PAYLOAD stores the maximum allowable tool payload in kilograms for the motion group.

  3. In FANUC Karel, which statement is used to pause program execution for a specified number of seconds?

    Answer: DELAY

    The DELAY statement in Karel halts execution for a defined duration before continuing.

  4. What is the purpose of the FANUC DCS (Dual Check Safety) function?

    Answer: To provide hardware-level position and speed monitoring independent of the main CPU

    DCS monitors joint positions and speeds on a dedicated safety CPU, triggering a stop if limits are violated.

  5. Which coordinate frame is fixed to the robot's end-of-arm tooling and moves with it?

    Answer: Tool frame

    The tool frame (TCP) is defined relative to the robot flange and translates/rotates with the tool.

  6. On a FANUC teach pendant, pressing SHIFT + RESET performs which action?

    Answer: Releases a fault and resets alarms

    SHIFT + RESET clears active faults and alarm conditions so normal operation can resume.

  7. What is the function of the FANUC background logic (BG Logic) feature?

    Answer: Runs Karel programs that execute concurrently with the main motion task

    BG Logic allows Karel programs to run as background tasks simultaneously with foreground motion programs.