This figure is typically found in the chapter concerning (Разрезы) or Reading Assembly Drawings . The goal of the exercise is to help students understand how internal voids, holes, and slots are represented using hidden lines and cross-sections.
In the standard by A.D. Botvinnikov, V.N. Vinogradov, and I.S. Vyshnepolsky, Figure 88 (and specifically variation "и" ) is part of a complex exercise focused on reading and analyzing detailed drawings . Context of Figure 88 uchebnik po chercheniju 9 klass botvinnikov smotret ris 88 i
: Find where the section line (the thick line with arrows) is placed. The arrows point in the direction of the view you should be looking at. This figure is typically found in the chapter
: Mentally "cutting" the object to visualize its interior and then selecting or drawing the correct sectional view. Description of Figure 88 "и" Botvinnikov, V
: Usually involves identifying the internal structure of a part based on two or three provided projections (views).
: Remember that only the solid material that the "saw" passes through should be hatched with diagonal lines. Hollow spaces (holes, slots) remain empty.