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Figure 2.10 – The broken section
4. Depending on plenitude of implementation sectional views are divided into complete and
partial sectional views.
A complete sectional views is a depiction which exposes the internal structure of an object on
all of section, that when a cutting plane cuts an object through.
A partial sectional view is name a depiction which exposes the internal structure of a part only
in the limited, separate place. Partial sectional views are separated from the whole part by a
continuous wavy line which must not coincide with the lines of contour (fig.2.11).

Figure 2.11 – A partial sectional view

Denotation of sectional views .
Denotation of sectional views containe three elements (fig.2.12):
1. Position of cutting plane is specified the broken a secret line of a section. The initial and
eventual strokes of a line of section must not cross the contour of the proper depiction.
2. On initial and eventual strokes it is needed to put pointers, indicative direction of look.
Pointers must be inflicted in the distance 2...3 мм from the external end of stroke. At a complicated
cut the strokes of the broken a secret line of a section conduct also at the bends of line of section.
Near pointers, indicative direction of look from exteriority of corner, formed a pointer and
stroke of line of section, on a horizontal line inflict the uppercases of the Ukrainian alphabet. The
letters should be in alphabetical order without reiterations.
3. A sectional views must be over the depiction according to the type «A — A» without
underlining.

Figure 2.12 – Denotation of sectional views

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