CHAPTER SIX
SECTIONING
Objectives:
At the end of this chapter, the students should be able to:
♦ Describe the purpose of sectioning in technical
drawings
♦ Define cutting plane lines, direction of sight, section
lining etc
♦ Mention and explain the different kinds of sectioning
6.1. Sectional Views
Sectioning
It is defined as an imaginary cut made through an object to
expose the interior or to reveal the shape of a portion.
Sectional view
It is a view in which all or a substantial portion of the view is
sectioned. There are many times when the interior details of
an object cannot be seen from the outside (figure 6.1).