Course work. Welding of a box beam

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Content
1 structural - technological analysis of welded products 2
1.1 Purpose and structure design, operating conditions of 2
1.2 Characteristics of base metal 2
1.3 Characteristics welds 3
1.4 Organizing welding 3
2 3 choice of method of welding
3 Select welding material 4
3.1 Selection of flux 4
3.2 Selection of welding wire 5
4 Select the type of welded joints, the size and training of edges 5
5 rozrahunoh of welding parameters 7
5.1 welding mode: 7
5.2 Preparation of source data 7
5.3 Calculation mode arc welding in the area of weld metal (corner seam) 7
5.4 Calculation of welding 8
6 Select welding equipment 8
6.1 Welding transformer 8
9 6.2 Welding Machine
7 calculation of productivity and technological costs 9
7.1 Calculation of basic welding time 9
7.2 Calculation of costs and expenses for welding materials 9
8 List of references at 17