WOODWORKING CUTS AND JOINTS
Upon completion of this chapter, you should be able to do the following:
Identify, the various characteristics of wood, and tree growth and structure.
Identify the various methods used in cutting and seasoning lumber.
Identify common defects and blemishes of lumber.
Identify the various grades of lumber and the methods used to measure
Identify types of wood joinery to include cuts, joints, fasteners, and materials.
Recognize the proper method and necessary took and equipment for laying
out and cutting joints.
Identify applications for the various joints.
Recognize the purpose and use of different types of fastening materials.
Identify the types of glue and their application methods.
Identify the various sanding materials and their proper uses.
In the lumber industry, woods are classified as
Although Navy ships are now made largely of
hardwoods or softwoods. These two terms are more
steel and other metals, there is still plenty of
as a matter of convenience than as an exact
woodworking for HTs to do. Cruisers and carriers
usually have a shop equipped with the necessary
classification. In fact, this classification does not
depend on how hard the wood is. It depends on
handtools and three or more standard woodworking
what kind of leaves the trees have. If the tree has
machines; tenders and repair ships have large shops
broad leaves that shed in winter, the wood is
with all types of woodworking machines.
classified as hardwood. If the tree has needle leaves
and cones, the wood is classified as softwood.
An HT is required to have a knowledge of the
These classifications are somewhat confusing
types of wood and woodworking glue, the principles
because some softwoods are harder than some
of wood finishing, and to be able to solve problems
hardwoods, and some hardwoods are softer than
dealing with the number of board feet in a piece of
lumber. This chapter provides information related
to these requirements.