CNC CNC G-Code and Programming

Question 1

Which G-code command is used to set absolute positioning mode in CNC programming?

Accepted Answer

G90

Answer

G91

Answer

G92

Answer

G93

Question 2

What does the M03 command do in a CNC cutting program?

Accepted Answer

Starts the spindle clockwise

Answer

Stops the spindle

Answer

Starts the spindle counterclockwise

Answer

Activates coolant

Question 3

Which G-code is used to perform a circular interpolation in the clockwise direction?

Accepted Answer

G02

Answer

G00

Answer

G01

Answer

G03

Question 4

What is the function of the F-word in a CNC program block?

Accepted Answer

Feed rate

Answer

Spindle speed

Answer

Tool number

Answer

Fixture offset

Question 5

Which G-code command cancels tool radius compensation in CNC programming?

Accepted Answer

G40

Answer

G41

Answer

G42

Answer

G43

Question 6

In a CNC program, what does the S-word specify?

Accepted Answer

Spindle speed in RPM

Answer

Step-over distance

Answer

Surface finish code

Answer

Subroutine number