CNC Final Review Exam Questions & Answers 2024/2025

CNC Final Review Exam Questions &
Answers 2024/2025

What are work offsets? - ANSWERSMeasured distances from the machine home position to the machine
work home reference.



Where are work offsets stored? - ANSWERSIn the machine control.



What is the default work offset? - ANSWERSG54.



What formula is used to calculate spindle RPM? - ANSWERSCS x 3.82/D



How do you program the Z axis of a VMC to return directly to the home position? - ANSWERSG00 G53
Z0.



How do you program the lathe to use an intermediate point when returning home? - ANSWERSG28 X6.
Z1.



What is the purpose of the Block Skip or Block Delete function? - ANSWERSTo offer the programmer
flexibility when programming a part with two or more conflicting possibilities.



What special character is used with the Block Skip or Block Delete function? - ANSWERSA forward slash
(/).



What is a dwell in a program? - ANSWERSA pause.



What two ways can .5 second dwell programed? - ANSWERSG04 P500

G04 P.5