Drawings and other design documents are executed in formats defined by GOST 2.301-68. The formats of drawing sheets determine the dimensions of the outer frame, which is drawn with a solid thin line.

The dimensions of the main formats are given in table 1.1.

Table 1.1.

Dimensions of the main formats

Main inscription (55x185), which is always placed in the lower right corner of the format, close to the frame, the form and content of which (Figure 1.1.1.) are regulated by GOST 2.104 - 68. It should be remembered that on A4 format, the frame of the main inscription should be drawn only along the short side.

Figure 1.1.1.

In the columns of the main inscription (Figure 1.1.2.) it is necessary to indicate:

in column 1 – the name of the product, starting with a noun, and the name of the document, if it is assigned a code. For example, for a working drawing of a part – “Gear”; for an electrical schematic diagram – “Module A4. Electrical schematic diagram”;

in column 2 – the designation of the document in accordance with GOST 2.202-80;

in column 3 – the designation of the material of the part (the column is filled in only on the drawings of parts);

in column 4 – the letter assigned to this document in accordance with GOST 2.103-68;

in column 5 – the mass of the product in accordance with GOST 2.109-73; on educational drawings it is not filled in;

in column 6 – the scale (put in accordance with GOST 2.302-68);

in column 7 – the serial number of the sheet (on documents consisting of one sheet, the column is not filled in);

in column 8 – the total number of sheets of the document (the column is filled in only on the first sheet).

An example of filling in column 2 of the main inscription on the educational drawing (Figure 1.1.2.):

GVPU. 010211.005 – structure of drawing designations;

GVPU – Hrytsiv Higher Vocational School;

01 – task number;

02 – topic number;

11 – option number;

5– drawing number.