Diploma. Assembly and welding of the roof truss

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Uploaded: 04.10.2016
Content: 054 Сборка и сварка фермы.zip (1994,25 kB)

Description

Thesis welding "Assembling and welding of roof truss"
Language of Work - Russian;
The number of drawings - 7sht A1;
Pages explanatory notes - 70.

ANNOTATION
The thesis project developed technology of assembly and welding of the roof truss.
Substantiated, and suggested ways of mechanized gas-shielded welding.
To ensure the accuracy of the farm device designed for assembly profiles luminaire dimensions, as well as the overall assembly of the farm as a whole. A plant for mechanized welding farm. Technological farm production process is presented in terms of workshop area.
Due to the mechanization of assembly and welding works achieved a significant reduction in time to production of farm and improve working conditions.

 
CONTENT
INTRODUCTION 5
1 Constructional TECHNOLOGY SECTION 5
1.1 Product description 5
1.2 TERMS OF FARM WORK 7
1.3 SPECIFICATION FOR MAKING FARM 7
1.4 CHARACTERISTICS OF THE METAL BASE 9
The chemical properties of 9
9 Mechanical properties
10 Weldability
2 SECTION 11 OF TECHNOLOGY
2.1 SELECTING THE METHOD OF WELDING 11
The choice of material for welding 12
Select welding method thickness metal 12
Select welding process based on the configuration of the compounds 13
2.2 Choice of welding consumables 14
The choice of shielding gas 14
Selection of the welding wire 14
2.3 SELECTING THE TYPE OF WELDS AND CALCULATION PARAMETERS MODE WELDING 16
Selection of the type of welded joints, the size and edge preparation 16
Calculation of arc welding parameters in protective gases 17
2.4 SELECTION OF WELDING EQUIPMENT 22
2.5 TECHNOLOGY OF FARM 25
3 DESIGN SECTION 28
3.1 PURPOSE AND SCOPE OF DEVICES FOR PRODUCING FARM 28
4.2. DESCRIPTION Installation for assembly and welding of bridge girders 29
4 QUALITY CONTROL 32
4.1 Recommendations for the control of welded joints 32
Certification of welding technology: 32
4.2 Quality control during and after installation: 35
Basic control settings: 38
4.3 Development of quality assurance schemes 38
4.4 CALCULATION OF ELEMENTS EQUIPMENT 39
5 ECONOMIC PART 41
5.1 Energy costs 47
The cost of workers´ wages 48
Costs for repairs and maintenance of equipment 51
Costs associated with the amortization of retention and building area occupied by the equipment 51
6 HEALTH 56
7 REFERENCES 69
8 ANNEX 70

Additional information

Drawings made in compass

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