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Robotics and Automation Flashcards

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

Read the first 7 Robotics and Automation flashcards as text

  1. In an automated welding cell, what is the purpose of a 'touch sensing' routine before the welding pass begins?

    Answer: To locate the actual weld joint position to correct for fixture variation

    Touch sensing uses the welding wire as a probe to detect the actual joint location and compensate for part placement variation before welding begins.

  2. Which IEC standard defines the safety requirements for industrial robot systems and integration?

    Answer: ISO 10218

    ISO 10218 (Parts 1 and 2) defines safety requirements for industrial robots and their integration into manufacturing systems.

  3. What is the function of a robot's 'teach pendant' in online programming?

    Answer: It allows an operator to manually jog the robot and record positions

    A teach pendant is a handheld device that lets operators manually move (jog) the robot to desired positions and record those positions into the program.

  4. In a robotic assembly cell, an operator must enter the robot's guarded space for maintenance. According to ISO 10218-2, what must occur before entry?

    Answer: Energy must be locked out/tagged out and the robot must be in a safe state

    Lockout/tagout (LOTO) procedures must be applied to isolate all energy sources before personnel enter the robot's safeguarded space for maintenance.

  5. What is 'offline programming' (OLP) in robotics, and what is its primary advantage?

    Answer: Programming done in simulation software without using the physical robot; advantage is no production downtime

    Offline programming uses simulation software to create and test robot programs without stopping production, then downloads the verified program to the robot.

  6. A robotic palletizer must stack boxes in an alternating layer pattern for pallet stability. Which programming approach best handles the repetitive, pattern-based task?

    Answer: Using a palletizing software function with parametric layer patterns

    Palletizing software functions accept layer pattern definitions and automatically calculate all box positions, handling multiple layers and patterns efficiently.

  7. Which type of robot drive system provides the highest positional accuracy and eliminates backlash, making it ideal for precision machining applications?

    Answer: Electric servo motor with harmonic drive gearbox

    Harmonic drive gearboxes have zero backlash and very high gear ratios in a compact form, providing excellent positional accuracy for precision robots.