TOOLROOMS AND TOOLS
CHAPTER LEARNING OBJECTIVES
Upon completing this chapter, you should be able to do the following:
Describe toolroom organization.
Explain how to inspect tools for damage.
State the process used to issue tools.
Describe the use of measuring tools in shop manufacture.
Describe the procedure used to check the accuracy of measuring instruments.
Before we discuss toolrooms and tools, we'll give
certain types of jobs, it may be capable of accepting
you an overview of the Machinery Repairman (MR)
many others. Your imagination will probably be your
limiting factor; and if you keep your eyes, ears, and
mind open, you will discover that there are many
The official description of the scope of the MR
things going on around you that can broaden your
rating is to "perform organizational and intermediate
base of knowledge. You will find pleasure and pride
maintenance on assigned equipment and in support of
in developing new and more efficient ways to do
other ships, requiring the skillful use of lathes, milling
something that has become so routine everyone else
simply accepts the procedure currently being used as
drill presses, and other machine tools; portable
the only one that will work.
machinery; and handtools and measuring instruments
found in a machine shop." That is a very general
The skill acquired by an MR in the Navy is easily
statement not meant to define completely the types of
translated into several skills found in the machine
skills and supporting knowledge that an MR is
shops of private industry. In fact, you'd be surprised
expected to have in the different paygrades.
at the depth and range of your knowledge and skill
The job of restoring machinery to good working
compared to your civilian counterpart, based on a
order, ranging from the fabrication of a simple pin or
somewhat equal length of experience. The machinist
bushing to the complete rebuilding of an intricate gear
trade in private industry breaks job descriptions into
system, requires skill of the highest order at each task
many different titles and skill levels.
level. Often, in the absence of dimensional drawings
or other design information, an MR must depend upon
The beginning skill level and one in which you
ingenuity and know-how to successfully fabricate a
will surely become qualified is machine tool operator,
a job often done by semiskilled workers. The primary
One of the important characteristics you will gain
requirement of the job is to observe the operation,
from becoming a well-trained and skilled MR is
disengage the machine in case of problems, and
versatility. As you gain knowledge and skill in the
possibly maintain manual control over certain
functions. Workers who do these jobs usually have the
operation of the many different types of machines
ability to operate a limited number of different types
found in Navy machine shops, you will realize that
even though a particular machine is used mostly for