006 Revision

Which of the following are methods for removing swarf from the cutting zone?

• Coolant

• Using a Swarf Conveyor

• Air blast

• Brush

Which of the following are methods for removing swarf from the machine tool?

• Using a brush

• Using compressed air

• Using a Swarf Conveyor

• Coolant

Why must CNC machine tools be equipped with comprehensive guarding and interlocking devices?

• To prevent unauthorized access

• To ensure operator safety

• To maintain machine precision

• To reduce noise levels

What is a "programmable safety zone"?

• An area where the machine operates at reduced speed

• An area where the machine stops automatically if an obstacle is detected

• An area where the machine can be programmed to avoid collisions

• An area where the machine performs maintenance tasks

Which of the following are methods for inputting part program data into the control unit of a CNC machine?

• Manual data input

• Using a USB drive

• Direct link to PC

• DNC

An inserted tooth milling cutter has a diameter of 75mm and 6 inserted teeth. If it operates at a surface speed of 350 m/min with a feed rate of 0.2mm/tooth, what spindle speed (rev/min) should be programmed?

• 1485 rev/min

• 1860 rev/min

• 1480 rev/min

• 1870 rev/min

An inserted tooth milling cutter has a diameter of 75mm and 6 inserted teeth. If it operates at a surface speed of 350 m/min with a feed rate of 0.2mm/tooth, What feed rate (m/min) should be programmed?

• 1259 mm/min

• 1842 mm/min

• 1783 mm/min

• 1586 mm/min

Which of the following points should be checked and double-checked before executing a part program under automatic operation?

• Tool selection

• Workpiece positioning

• Program accuracy

• All of the above

What is a part program and why is it referred to as such?

• A) A sequence of instructions for machining a part

• B) A list of tools required for machining

• C) A maintenance schedule for the machine

• D) A safety protocol for machine operation

In the context of part programming, what is a "word address"?

• A specific location in the program

• A command for machine movement

• The format of the program

• The name of a program