Machining Fundamentals iv
Machining Fundamentals Color Key
A consistent color code is used in the line illustrations throughout Machining Fundamentals to help
you better visualize the machining operations and procedures. Specifi c colors are used to indicate different
materials and equipment features. The following key shows what each color represents.
Metals (surfaces)
Metals (in section)
Machines/machine parts
Tools
Cutting edges
Work-holding and tool-holding devices
Rulers and measuring devices
Direction or force arrows, dimensional information
Fasteners
Abrasives
Fluids
Miscellaneous
About the Authors
John R. Walker is the author of thirteen textbooks and has written numerous magazine articles.
Mr. Walker completed his undergraduate studies at Millersville University and has a master’s degree in
Industrial Education from the University of Maryland. He taught industrial arts and vocational education
for more than thirty-two years, including fi ve years as Supervisor of Industrial Education. He also worked as
a machinist for the US Air Force and as a draftsman at the US Army Aberdeen Proving Grounds.
Bob Di xon is an Associate Professor and Head of the Engineering Technology Department at Walters State
Community College in Morristown, Tennessee. Bob holds bachelor’s and master’s degrees in Engineering
Technology from East Tennessee State University and a master’s degree in Industrial Engineering from the
University of Tennessee. Prior to entering the education fi eld, Bob spent over 20 years in industry working
in a variety of machining, manufacturing, and engineering positions. Bob is an ATMAE Certifi ed Senior
Technology Manager and recipient of the 2005 ATMAE Outstanding Faculty of Industrial Technology Award
for Region 3.