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Figure 2.24 – Denotation of sections

Figure 2.25 – Denotation of sections

If a cutting plane passes through the ax of surface of rotation, limiting opening or deepening,
the contour of opening or deepening is drawn fully.
If a cutting plane passes through the through unround opening and section turns out consisting
of separate independent parts, it is necessary to use sectional drawings, but not sections.

2.4 BEARING-OUT ELEMENTS

A bearing-out element is a depiction in the enlarged scale of a part of an object, which
contains elements which are not on a basic depiction. Bearing-out elements are used, when auxiliary
explanations are needed in regard to a form, sizes or other information (fig.2.26).

Figure 2.26 – A bearing-out element

At the construction of bearing-out element the proper place of basic depiction is marked the
continuous line and designate the capital letter of the Ukrainian alphabet on the shelf of line-
bearing-out. Above a bearing-out element a record is done on a type A (5 : 1). In a fig. 2.26 the
example of implementation of bearing-out element is resulted.

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