unit 4 Safety features.

Analytical: What is the primary function of a safety interlock on a CNC machine?

• To prevent accidental activation
• To monitor machine performance
• To maintain proper temperature
• To control coolant flow

Analytical: What is the purpose of an emergency stop button on a CNC machine?

• To stop the machine in case of an emergency
• To control machine speed
• To adjust the coolant flow
• To adjust the tool height

Remembering: What is a protective barrier on a CNC machine used for?

• To prevent operator from accessing dangerous parts of the machine
• To prevent coolant from spilling onto the floor
• To control machine speed
• To monitor machine performance

Understanding: What is the purpose of a light curtain on a CNC machine?

• To detect the presence of an object near the machine
• To control machine speed
• To adjust the coolant flow
• To monitor machine performance

Analytical: What is the function of a safety switch on a CNC machine?

• To prevent the machine from operating if any safety guards are not in place
• To monitor machine performance
• To control coolant flow
• To maintain proper temperature

Remembering: What is a presence sensing device used for on a CNC machine?

• To detect the presence of an operator in a hazardous area
• To control machine speed
• To adjust the coolant flow
• To monitor machine performance

Understanding: What is the purpose of a safety mat on a CNC machine?

• To detect the presence of an operator in a hazardous area
• To control machine speed
• To adjust the coolant flow
• To prevent coolant from spilling onto the floor