CNC Vocabulary Quiz

A program allowing you to digitally create a part that can be milled, 3D printed or rendered.

• CNC
• CAD
• DAD
• ACD

The amount of material removed with each pass of the tool.

• Depth of cut
• Depth of Center
• X-axis
• Z-axis

How fast the tool moves through the material, commonly measured in inches per minute (IPM)

• Feed Speet
• dwell
• Feed and speed
• Feed Rate

The coding language that a CNC controller reads to tell the machine the movements to make and the speeds to make them

• Python
• M-Code
• G-Code
• Block Code

The rate of rotation the tool moves in the spindle, measured in revolutions per minute. (RPM)

• rotational speed
• spindle speed
• tool speed
• feed rate

This tells the CNC machine where a part is relative to the machines home

• home plate
• Z-axis
• Work coordinate system
• grid

A linear axis of motion (vertically) along the machine column.

• a-axis
• x-axis
• y-axis
• z-axis

A linear axis of motion (horizontally) along the short side of the machine table

• a-axis
• x-axis
• y-axis
• z-axis

A linear axis of motion (horizontally) along the long side of the machine table

• a-axis
• x-axis
• y-axis
• z-axis

Plunging a bit (centered on the spindle's rotational axis) into a part to create a hole that is the diameter of the bit.

• drilling
• dwell
• facing
• parting