CNC G/M Code Quiz

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CNC G/M Code Mastery Quiz

Test your knowledge on CNC G/M codes with our comprehensive quiz! This quiz includes 40 multiple-choice questions that cover a wide range of G/M codes used in CNC programming.

Whether you are a beginner or an experienced machinist, this quiz is designed to enhance your understanding of CNC operations. Challenge yourself and see how well you really know your G/M codes!

  • 40 Questions to test your expertise
  • Instant results and feedback
  • Improve your CNC programming skills
40 Questions10 MinutesCreated by CodingGuru752
G00?
Rapid Motion
Optional Stop
Program Stop
Linear Motion
G20?
Metric Mode
Inch Mode
Dwell/Block Preparation Stop
Zero Return Command (FAGOR)
G53?
Zero Return Command (FANUC)
Tool Length Compensation Initiate
Instate Fixture Offset
Zero Return Command (FAGOR)
G74?
Left Hand Tapping Cycle
Right Hand Tapping Cycle
Boring Cycle, No Witness
Chip Break Peck Drill Cycle (FANUC)
G80?
Tool Radius Compensation Cancel
Canned Cycle Cancel
Counter Boring with Boring Bar
RIGHT Hand Radius Compensation
G84?
Right Hand Tapping Cycle
Boring Cycle, No Witness
Deep Hole Peck Drilling
Spindle Orient
G85?
RIGHT Hand Radius Compensation
Dwell/Block Preparation Stop
Reaming Cycle
Simple Drill Cycle
G89?
LEFT Hand Radius Compensation
Standard Boring Cycle
Boring Cycle, No Witness
Counter Boring with Boring Bar
G42?
Zero Return Command (FANUC)
RIGHT Hand Radius Compensation
Zero Return Command (FAGOR)
Tool Radius Compensation Cancel
G28?
Zero Return Command (FANUC)
Dwell/Block Preparation Stop
Zero Return Command (FAGOR)
Metric Mode
G21?
Inch Mode
Coolant On
Metric Mode
Coolant Off
G02?
Clockwise Motion
Counter-Clockwise Motion
Optional Stop
Dwell/Block Preparation Stop
G04?
Dwell/Block Preparation Stop
Spindle Counter-Clockwise Rotation
Spindle Clockwise Rotation
Tool Change
G41?
RIGHT Hand Radius Compensation
Spindle Orient
LEFT Hand Radius Compensation
Tool Radius Compensation Cancel
G81?
Drill Cycle With Dwell/Counterbore Cycle
Simple Drill Cycle
Right Hand Tapping Cycle
Chip Breaking Peck Drill Cycle (FANUC)
G86?
Simple Drill Cycle
Right Hand Tapping Cycle
Chip Breaking Peck Drill Cycle (FANUC)
Standard Boring Cycle
G40?
Tool Radius Compensation Cancel
LEFT Hand Radius Compensation
Tool Length Compensation Initiate
Inch Mode
G01?
Linear Motion
Optional Stop
Program Stop
End of Program (Rewind)
G76?
Deep Hole Peck Drilling
Boring Cycle, No Witness
Right Hand Tapping Cycle, Rigid
Standard Boring Cycle
G83?
Right Hand Tapping Cycle, Rigid
Deep Hole Peck Drilling
Standard Boring Cycle
Boring Cycle, No Witness
G84.1?
Right Hand Tapping Cycle, Rigid
Left Hand Tapping Cycle, Rigid
Boring Cycle, No Witness
Deep Hole Peck Drilling
G03?
Spindle Clockwise Rotation
Spindle Stop
Dwell/Block Preparation Stop
Counter-Clockwise Motion
G43?
Tool Length Compensation Initiate
Zero Return Command (FAGOR)
LEFT Hand Radius Compensation
RIGHT Hand Radius Compensation
G73?
Left Hand Tapping Cycle, Rigid
Chip Breaking Peck Drill Cycle (FANUC)
Drill Cycle With Dwell/Counterbore Cycle
Deep Hole Peck Drilling
G74.1?
Left Hand Tapping Cycle, Rigid
Right Hand Tapping Cycle, Rigid
Drill Cycle With Dwell/Counterbore Cycle
Chip Break Peck Drill Cycle (FANUC)
G82?
Simple Drill Cycle
Deep Hole Peck Drilling
Right Hand Tapping Cycle
Drill Cycle With Dwell/Counterbore Cycle
G90?
End of Program (Rewind)
Spindle Orient
Relative Motion
Absolute Mode
G99?
Incremental Mode
Return to Rapid Plane
Return to Initial Plane
Rapid Movement
G91?
Relative Motion
Incremental Mode
Linear Interpolation
Absolute Mode
G98?
Return to Reference Plane
Return to Initial Plane
Return to Rapid Plane
Program Stop (Rewind)
M00?
Spindle Orient
Spindle Stop
Zero Return Command (FANUC)
Program Stop
M19?
Spindle Stop
Tool Change Prepare
Coolant Off
Spindle Orient
M03?
Spindle Clockwise Rotation
Program Cancel
Spindle Counter-Clockwise Rotation
Tool Radius Compensation Cancel
M06?
Tool Change
Coolant On
Coolant Off
Spindle Stop
M09?
Spindle Orient
Coolant On
Coolant Off
Spindle Clockwise Rotation
M30?
End of Program (Rewind)
Zero Return Command (FANUC)
Zero Return Command (FAGOR)
Program Stop
M01?
Linear Motion
Clockwise Motion
Metric Mode
Optional Stop
M05?
Spindle Stop
Counter-Clockwise Motion
Clockwise Motion
Spindle Start
M08?
Coolant Off
Return to Initial Plane
Tool Change
Coolant On
M04?
Tool Change
Spindle Clockwise Rotation
Inch Mode
Spindle Counter-Clockwise Rotation
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