There should be a title bar on each technical drawing, generally in the lower right corner of the drawing, and the direction of the title bar should be consistent with the direction of the drawing.

1 composition of title bar

The title bar is generally composed of change area, signature area, other areas, name and code area, and the layout of each area has two partition forms, as shown in the following figure.

Change area: generally composed of change mark, tag number, partition, change file number, signature, year, month, day, etc.

Signature area: generally composed of design, review, technology, standardization, approval, signature, year, month and day, etc.

Other areas: generally composed of material marks, stage marks, weight, scale and * * * tables, projection symbols, etc.

Name and coding area: generally composed of unit name, drawing name, drawing code, storage code, etc.

2 Format and size of title bar

For the format and size of the title bar, please refer to the figure below.

Usually, in the learning process, for convenience, the contents of part drawing title bar, assembly drawing title bar and parts list are simplified, as shown in the following figure.

Reference standard: GB/T 10609-2008