History of CNC
Think Like a CNC
Speak Like a CNC
Know Your CNC
Tools of the Trade
100
What does CNC stand for? 

Computer Numerical Control 

100

Numbers in a CNC program represent the ________ on a part. 

points or features 

100

Linear Feed Move 

G01

100

Surrounds the work table and spindle. Primarily used for safety 

machine enclosure 

100
Used ONLY to put holes in a part. 

Drill

200

____________ is greatly reduced when using a CNC machine compared to a manual machine. 

Human intervention or error 

200

Position numbers in a CNC program can be _________ or _________. 

Positive or negative 
200

Rapid Move 

G00

200

The main interface of the Haas machine

control pendant 

200

Used to hold our workpiece to the machine table. 

Vise 

300

The original NC machine was developed in collaboration with what school? 

MIT

300

Name the three axes on the Haas Desktop Mill. 

X, Y, Z

300

End of program

M30

300

Used to jog the axes of the machine.

Handle jog

300

Very versatile tool. Used in a variety of operations including cutting the top and sides of parts. 

Endmill

400

Unlike a modern CNC, an NC machine was controlled by __________ instead of a computer. 

Paper tape 

400

On an engineering drawing the letter "R" stand for __________.

Radius

400

Tool Length Offset 

G43

400

AHHHH! My machine is crashing! Which button should I press first?!

Emergency stop or E-stop 

400

Used to scribe lines such as text. 

Engraving Tool

500

What year was the modern CNC machine created? 

1967

500

The point that all CNC programs start from is known as the ________.

datum or work offset 

500

Work Offset 

G54

500

Houses the electrical components. 

electrical control box 

500

Holds the cutting tool in the spindle on our desktop CNC machine.

Collet