General CNC Flashcards
1
Q
What are the three work coordinate systems (WCS)?
A
Machine, absolute and relative
2
Q
What is a canned cycle?
A
A command cycle without many blocks
3
Q
What is a dwell?
A
A pause for x amount of seconds
4
Q
What does modal mean?
A
Turned on until otherwise said
5
Q
What does RPM stand for?
A
Revolutions (revs) per minute
6
Q
What is a word?
A
A single statement within a block
7
Q
What does UPM stand for?
A
Unit per Minute
8
Q
What is helical interpellation?
A
Machining in a downwards spiral through a material
9
Q
Why is helical interpellation preferable to interpellation?
A
Helical interpellation keeps the blade engaged as long a possible at their optimal cutting temperature, reducing wear from starting and stopping
