14 Questions
What is the primary consideration when positioning a robot within a factory?
A safe position far away from danger points, such as other robots, operators, and structural pillars.
What is the key factor in determining the level of safeguarding required for a hazard?
The possible severity of the accident that may occur.
What is the purpose of erecting a barrier around the perimeter of the robot's work envelope?
To prevent light and radiation from weld flash and to provide a physical barrier to protect operators and others.
Why is it advisable to use slower speeds when programming a robot's operating speed?
To prevent the robot from moving too far too fast and causing accidents or damage before the programmer can react.
What is the primary goal of safeguarding a hazard?
To prevent personal injury.
What should be taken into consideration when selecting an operating speed for a robot?
The production conditions and potential hazards involved.
What is the ultimate goal of implementing safeguards and safety measures in a robot's operation?
To achieve a working, economic, and safe solution that meets government inspection authority standards.
What is the primary purpose of designing software to create stops for each axis in a robotic system?
To allow each axis to stop before mechanical stops are needed to perform the stop.
What is the function of the virtual version of the work envelope in the software design?
To stop the robot if it moves out of the designated work envelope.
What type of sensors are used to detect the edge of the work envelope?
Proximity sensors.
What is the purpose of the pressure-sensitive mat between the gate and the robot?
To shut down the robot in case of unauthorized access.
What is the design requirement for emergency stop buttons in a robotic system?
They should be red, mushroom-shaped, and protrude from the surface they are mounted on.
What is the purpose of light curtains mounted within the work area?
To act as process sensors and detect any obstacles or intrusions within the work envelope.
What type of gate is recommended for access to the robotic cell?
An interlocked gate or light curtain.
Study Notes
- Software stops should be created for each axis, allowing each axis to stop before mechanical stops are needed.
- A virtual version of the work envelope exists, causing the robot to stop if it moves out of this space.
- Access to the cell should be via an interlocked gate or light curtains.
- Sensors on the robot detect the edge of the work envelope, including proximity sensors and process sensors like light curtains.
- A pressure-sensitive mat between the gate and the robot shuts down the robot in case of unauthorized access.
- Emergency stop buttons should be easily accessible, red, mushroom-shaped, and protrude from the surface they're mounted on.
- The robot should be positioned in a safe location, away from danger points, with safeguarding around it.
- Hazards that may cause personal injury should be safeguarded, with costs balanced against potential accident severity.
- The safeguard should be acceptable to government inspection authorities to achieve a working, economic, and safe solution.
- A barrier around the work envelope's perimeter is necessary, either opaque or able to filter light and radiation from weld flash.
- A correct operating speed should be defined and selected for production conditions, with slower speeds advisable during programming.
- The robot's operating speed should prevent it from moving too far too fast when a mistaken command is given.
This quiz assesses your understanding of robot safety and hazard prevention in a factory setting. It covers the importance of positioning robots in safe locations, safeguarding against hazards, and balancing the cost of safeguards against potential accidents. Test your knowledge of robot safety considerations!
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