Drilling machine

What is the main function of a drilling machine?

• Cutting metal sheets

• Creating precise circular holes

• Welding metal parts

• Polishing surfaces

Which component holds and rotates the drill bit?

• Worktable

• Chuck

• Drive belt

• Safety guard

What material is typically used for the machine's column to reduce vibrations?

• Aluminum

• Plastic

• Cast iron

• Wood

How do modern CNC drilling machines differ from traditional ones?

• They use manual power

• They can drill only wood

• They offer computer-controlled precision

• They don’t need electricity

What feature protects the operator from flying debris?

• Start-stop buttons

• Safety guard

• Feed handle

• Pulleys

In which industry are drilling machines used to create hundreds of aligned holes in aircraft wings?

• Textile

• Aerospace

• Food processing

• Automotive

What is the name of the rotating shaft that holds the chuck and transfers power from the motor to the drill bit?

(a)  

What was NOT mentioned at the start of the video regarding the machine (where there was information about its purpose)?

• Drilling

• Milling

• Grinding

• Tapping

Why do drilling machines have a fine feed (small vertical movement) control feature?"

• To make the machine heavier and more stable

• Тo allow precise depth adjustment when drilling delicate materials

• To change the rotation speed of the drill bit

• To automatically lubricate the drill bit

Did the drilling machine shown in the video include a built-in lubrication/coolant supply unit?

• Yes

• No