Safety
Mill
CNC
Print Reading
Symbols and Abreviations
100

Safety equipment that is to be worn to protect a person from potential dangers.

PPE, or Personal Protective Equipment

100

The X axis moves ______ and _______.

Left and Right

100

What is the G1 

Linear movement of an axis

100

If the scale on an engineering drawing is 1:2, is the drawing larger or smaller than the actual project?

Smaller

100

RPM Stands For

Revolutions Per Minute


200

A form containing detailed documentation about a hazardous material.

What is MSDS, Material Safety Data Sheet, SDS, or Safety Data Sheet

200

When adjusting the gear range from high to low on a general head vertical mill, it is important to not have the ______ running, or it can cause hard to fix damage.

Motor, or Spindle

200

Circular Interpolation Clockwise.

What is G2

200

What are the four views of the part on the blueprint?

Front, Top, Right side, and Isometric(ISO)

200

SFM, Stands For

Surface Feet Per Minute

300

A federal government agency that sets and enforces regulations for workplace safety.

What is OSHA or the Occupational Safety and Health Administration

300

If the quill is locked, which part of the mill can be moved to adjust the Z axis?

Table, or Knee

300

Tool offsets must always be set for this axis?

What is Z Axis

300

What type of line is thin and broken into a series of short dashes?

Hidden line - representing a line on the other side of the piece not visible.

300

IPR Stands For

Inches Per Revolution

400

What type of clothing should not be worn when working with a Mill or Lathe

Loose Fitting Clothing

400

Describe the direction of movement provided by the saddle.

Toward and away from the column along the Y-axis.

400

When running program for the first time you should always run in this mode for each tool change?

What is Single Block

400

What includes information on the piece like name, part number, tolerances, scale, and material the part is made out of.

Title Block

400

D.O.C. Stands for 

Depth of Cut

500

Who is responsible for creating a Safe work environment?

Who is Everyone

500

What tool is best used for machining a wide variety of features such as pockets, slots and steps.

End Mill

500

G54 is an example of a type of ________________?

Work Offset, WCS, Work Coordinate System

500

Locates a hole or indicates symmetry

Center Line

500

Dia. Stands for

Diameter