Graduate work. assembly technology and welding shop of the column.

Language - Russian
The number of sheets of the graphics - 9 pieces, AutoCad;
Number of pages of explanatory notes - 115;
There are columns in the calculation of MathCad - as part of the explanatory note.
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The thesis project developed technology of assembly and welding of the column. Also, we calculated this column and its main elements of strength.
CONTENT
Introduction 8
1 CALCULATION AND CONSTRUCTION OF COLUMNS 9
1.1. Setting and output data 10
1.2 Specification for welding 11 column
1.2.1. Determination of cross-sectional area of the column 11
1.2.2. Calculation of the initial size of the column 11
1.2.3. Construction of the column section 12
1.2.4. Determination of conventional lateral force 13
1.2.5. Selection of the type of connecting elements 13
1.2.6. Determination of the flexibility given 41
1.2.7. Determination of buckling coefficients 14
1.2.8. Checking the strength of the column 14
1.2.9. Check the stability of the column 15
1.2. 10 The calculation and design of the connecting elements of the column 17
1.2.11 Calculation and design of the column joints 21
1.2.12 Calculation and design of the column tip 22
1.2.13 Calculation and construction of the base of the column 25
1.2.14 Calculation and design of welded joints of the column 27
1.3. Calculation and design of the second tier of the column 30
1.3.1. The definition section 30 Square
1.3.2. Construction of the column section 31
1.3.3. Determination of conventional lateral force 31
1.3.4. Determination of the flexibility given 32
1.3.5. Determination of buckling ratio 33
1.3.6. Checking the strength of the column 33
1.3.7. Calculating and designing the connecting elements 34 column
2 Development of technological process of manufacturing COLUMN 38
2.1 Product Description 39
2.2 Specification for welding 41 column
Requirements for base metal: 41
for welding materials: 41
Requirements for welding equipment 41
Requirements to structural elements: 42
2.3 Characteristics of the base metal 43
Chemical properties 43
Weldability pearlitic steels 43
Determination of weldability 46
2.4 Select welding process 49
The choice of material for welding 49
2.5 Choice of welding consumables 51
choice of gas 51
2.6 Selection of the type of welded joints, the size and edge preparation 54
2.7 Calculation of arc welding parameters of CO2 54
parameters of arc welding mode 55
welding speed of 60
feeding rate of welding wire 60
welding current 61
welding voltage 61
the cost of shielding gas 62
2.8 Selection of welding equipment 63
2.9 Process Flow Diagram 65
2.10 Welding accessories 66
The conductor for the assembly faces of the column 66
Calculation of snap elements 68
2.11 Quality Control 73
Input control 73
Functional control 74
Acceptance inspection 74
3 HEALTH AND SAFETY 75
4 ECONOMIC PART 94
CONCLUSIONS 109
REFERENCES 110
Applications 111