Advertising sewing

Course project.

INTRODUCTION. 5

1. Organizational part. 7

1.1 Description and purpose of the design. 7

1.2 Organization of the workplace. 8

1.3 Characteristics of steel. 9

1.4 Power Source Selection. 11

1.5 Selection of welding modes. 17

  2 Technological part. 19

2.1 Preparation of metal for assembly and welding. 19

2.2 Assembly and welding of the structure. 24

2.3 Defects and methods of their elimination. 27

2.4 Product quality control. 31

3. Labor protection. 33

CONCLUSION. 40

LIST OF REFERENCES..  41

The billboard consists of a foundation, a support, a frame and an information field. The support rack is a steel metal profile pipe 140×140. A support post is a single steel structure made of one or more square shaped pipes

        The foundation is recessed. The foundation of the billboard should not protrude above the level of the road surface or ground level. 

The size of the advertising image is 3000 x 6000 mm. The information field is a steel rectangular spatial frame, rigidly fixed on a support rack. In fig. 1. A diagram of a double-sided billboard is given.