SECTIONAL VIEW

SECTIONAL
VIEW

DJJ10013

What is the sectional view?

 A sectional view or a section looks inside an object. Sections are
used to clarify the interior construction of a part that can not be
clearly described by hidden lines in exterior views.

 Sectional view are used to show interior details clearly. A cutting-
plane line shows where object was cut to obtain the section view.

 Cross hatching in section view shows the solid surface of the object
which were cut through to produce the section.

 A section view is a view used on a drawing to show an area or
hidden part of an object by cutting away or removing some of that
object. The cut line is called a “cutting plane”, and can be done in
several ways.

CUTTING PLANE LINE

CUTTING PLANE LINE

SECTION LINING

SECTION LINES SYMBOLS

SECTION LINING PRACTICE

SECTION LINING PRACTICE

CUTTING PLANE

Cutting plane is a plane that imaginarily cuts the
object to reveal the internal features

TYPES OF SECTIONING

1.Full section
2.Offset section
3.Half section
4.Broken-out section

TYPES OF SECTIONING

TYPES OF SECTIONING

EXAMPLE OF SECTIONAL VIEW

EXAMPLE OF SECTIONAL VIEW

Exercise :This exercise will take you through
creating a full section.

Answer

a)Exercise: Identify which type of section each of
the drawings use and the material that the part is
made from.

1. Type of section? (Full section, Half section,
Offsetsection)
___________________________________

2. Type of material? (Cast iron, Steel,
Aluminium,Brass/Bronze)
___________________________________

b)Exercise : Identify which type of section each of the drawings use and the
material that the part is made from.

1. Type of section? (Full section, Half section, Offset
section)
____________________________________

2. Type of material? (Cast iron, Steel, Aluminium,
Brass/Bronze)
____________________________________