CRS CRS Robotics Hardware & Mechanical Systems 2

Question 1

What is the primary advantage of a parallel kinematic robot such as a Delta robot?

Accepted Answer

High speed and accuracy for light payloads

Answer

Delta robots excel at high-speed, high-accuracy pick-and-place operations with light payloads because their motors are fixed to the frame, keeping moving mass very low.

Question 2

What does the term 'backlash' refer to in robotic mechanical systems?

Accepted Answer

Lost motion between mating gears or mechanical components

Answer

Backlash is the small amount of lost motion or play between meshing gear teeth that occurs when motion reverses direction, reducing positioning accuracy.

Question 3

Which joint type provides rotation around a single fixed axis?

Accepted Answer

Revolute joint

Answer

A revolute joint provides rotation around a single axis and is the most common joint type found in articulated industrial robot arms.

Question 4

What is the purpose of a force/torque sensor mounted at a robot's wrist?

Accepted Answer

Measuring forces and torques during end-effector interaction

Answer

Force/torque sensors measure the forces and torques applied at the robot's wrist or end effector, enabling force-controlled and compliant manipulation tasks.

Question 5

What is a servo drive's primary role in a robotic system?

Accepted Answer

Controlling motor current and voltage to achieve desired motion

Answer

A servo drive controls the motor's current and voltage based on feedback signals to achieve the desired position, velocity, or torque commanded by the controller.

CRS - Certified Robotic Specialist Practice Test

CRS - Certified Robotic Specialist Practice Test

CRS CRS Robotics Hardware & Mechanical Systems 2