Thesis on welding: "Assembly and welding section of the body of the shower water tank";

The content of the work
The task for the graduation project .............................................. 2
Abstract………………………………………………………………………….……. 4
Introduction ……………………………………………………………………………… .. ... ... 7
1 Development of the technological process of welding the product ………… .. …… .. ... ... 8
1.1 Description of the design of the product and assessment of its manufacturability ........... ... 8
1.2 the choice of the material of construction and its characteristics …………… .. ... .. 9
1.3 Specifications for the manufacture of ………………………… ..…. …… .14
1.4 the Choice and justification of the welding method of the structure ……………………. 15
1.5 Selection and justification of welds ...
1.6 the choice of the parameters of the welding mode ……………………………………… .. 26
1.7 Selection of welding equipment .............. ...................................... 31
1.8 Selection of welding consumables ………………………………………………… 36
1.9 Quality control ............................................... ...................................... 38
1.9.1 Control of basic materials .............................. 39
1.9.2 Control of auxiliary materials ………………………… ... 41
1.9.3 Welding equipment control ............................................ 42
1.9.4 Inspection of assembly for welding ........................................... .................. 43
1.9.5 Weld inspection ............................................ .......... 45
1.10 Rationing of the technological process ............................................ 50
1.11 Choosing a truck ...................................... 60
1.12 Layout of the assembly and welding section ............................................ ....... 61
2 The choice of design of the assembly and welding fixtures ............. ............. 63
2.1 Requirements for assembly and welding devices ………………… 63
2.2 Design of assembly and welding fixtures ... .... ............. .. 64
3 Economics and organization of production ............................................. ................ 68
3.1 Initial data ............................................... ......................................... 68
3.2 calculation of the cost of assembly and welding works .................................. 70
3.3 Justification of economic efficiency .......................................... 83
4 Safety and environmental protection ........................................ 88
4.1 Analysis of the possibility of negative influences of the designed
technological process environment and human ................. 88
4.2 Safety requirements ............................................... ............................ 90
4.3 Electrical safety ................................................ .................................. 91
4.4 Prevention of eye and skin damage
rays of an electric arc ............................................... ........................ 92
4.5 Prevention of the risk of poisoning by harmful gases .................... 93
4.6 Prevention of the risk of burns ....................................... 97
4.7 System for ensuring the necessary microclimate parameters ........... 97
4.8 Lighting system ............................................... ...................................... 98
4.9 Fire safety system .............................................. ................one hundred
4.10 calculation of industrial lighting .............................................. ........ 101
4.10.1 Calculation of artificial lighting ............................................ ... 102
4.10.2 Calculation of natural light ............................................ ...... 105
Conclusion ................................................. .................................................. ................ 108
Bibliography.............................................