Understanding Machine Procedures

1. What is the first step in operating a CNC machine?

• Begin cutting material immediately.

• Load the program before setting up the machine.

• Start the machine without any checks.

• Ensure the machine is set up and calibrated.

A) Load the material B) Set the tool C) Power on the machine D) Program the machine

• F) Test the machine

• D, B, A, C

• G) Review the manual

• E) Clean the workspace

2. Which safety equipment is essential when using a lathe?

• Hard hat and knee pads

• Dust mask and safety vest

• Safety goggles and face shield

• Earplugs and gloves

A) Gloves B) Safety goggles C) Earplugs D) Apron

• A) Gloves

• Safety helmet

• Knee pads

• Face mask

3. What should you do before starting a milling machine?

• Leave the work area cluttered and proceed with milling.

• Start the machine without checking anything.

• Check the machine and work area for safety and readiness.

• Adjust the speed settings before inspecting the area.

A) Check the coolant level B) Clean the work area C) Inspect the tool D) All of the above

• F) Change the oil

• G) Tighten the screws

• E) Replace the battery

• D

4. How often should you lubricate the moving parts of a machine?

• Once a year regardless of usage

• Every day to ensure maximum performance

• Only when the machine shows signs of wear

• Every few weeks to a few months, or as recommended by the manufacturer.

A) Daily B) Weekly C) Monthly D) Yearly

• A) Daily

• Every few months

• Biweekly

• Hourly

5. What is the purpose of a tool holder in machining?

• To provide lubrication to the cutting tools.

• To measure the dimensions of the workpiece.

• To securely hold and stabilize cutting tools during machining.

• To cool down the machining area during operation.

A) To hold the workpiece B) To secure the cutting tool C) To provide power D) To cool the machine

• To transport materials

• To lubricate the cutting tool

• A

• To measure the workpiece