5. Physical Prototyping
Cnc Techniques — Quiz
Test your understanding of cnc techniques with 5 practice questions.
Practice Questions
Question 1
What is scallop height in CNC ball-end milling finishes?
Question 2
What is the approximate scallop height when using a 6\,mm diameter ball end mill with a 0.4\,mm stepover?
Question 3
Which CNC finishing toolpath strategy uses constant Z-level contours to machine near-vertical surfaces?
Question 4
What is the main advantage of trochoidal milling in CNC roughing operations?
Question 5
Given a feedrate of 1200\,mm/min, a 2-flute cutter, and a feed per tooth of 0.08\,mm, what spindle speed (RPM) achieves this feedrate?