CNC Basics

What does CNC stand for?

• Computer nuance controll

• Controll national computer

• Computer numerically controlled

• Computer numerical creation

How many axis do CNC machines generally operate on?

• 1 or 2

• 3 or 6

• 2 or 3

• 3 or 5

CNC machining is

• additive manufacturing.

• subtractive manufacturing.

3D printing is

• additive manufacturing.

• subtractive manufacturing.

When were the first CNC machines developed?

• 1980/90s

• 1940/50s

• 1880s

• 1950/60s

G code tells a CAM machine?

• where to move the tool.

• to turn functions on and off.

M code tells CAM machines?

• where to move the tool.

• to turn functions on and off.

CAM was not possible before CAD software was invented.

• Ture

• False

CAM software does?

• Allows designer and engineers to create 3D models of parts and products that they want to create.

• Converts and a CAD model into G and M code so that a CAM machine can make the design.

• Converts photographs into 3D CAD models for later development into finished parts or products.

A 3-axis machine will move in?

• The X, Y, Z axes.

• The X, Y, 3 axes.

• The L, R, B axes.