Course work. Contact welding

Language of work - Ukrainian;
possible translation into Russian (extra charge)
Graphic part (drawings are executed in AutoCad):
1) Sequence diagram - A3;
2) A general view of the contact spot welding machines - A3;
3) Waveform - A4;
4) General view pnevmoprizhima mechanism - A4;
5) Components connections Welding - A4;
6) Electro-mechanical feed - A4

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Initial data:
The product - coupling;
The material - St3;
Connection diameter - 32mm;

Content
1 ANALYSIS OF MATERIAL AND CONSTRUCTION PRODUCTS 2
1.1 The chemical composition of the material 2
1.2 Physical and mechanical properties of the material 2
1.2.1 Physical properties of 2
1.2.2 Mechanical properties St3sp 3
1.3 Characteristics of the material in terms of connectivity pressure welding methods 3
1.4 Description of the construction product and the conditions of his work 4
1.5 Selection of main parameters of welding 4
2 BASIS OF THEORY welding methods 5
2.1 Advantages of the accepted way of welding, compared with possible 5
2.2 The scheme of formation of the welded joint 5
2.3 Description of the heat source, which exists during fusion of Compound 6
3, process manufacturing unit 7
3.1 Production of details 7
3.2 Preparation of the surface of the workpiece for welding 7
3.3 Preparation 8
4 FURTHER PROCESSING 8
4.1 Possible defects in welding selected welding process 8
4.2 An optimal quality control method of the welded assembly 9
5 cyclegramm main parameters of welding conditions and the recommended value of the corresponding value of 10
6 WELDING EQUIPMENT AND ITS CHARACTERISTICS 11
7 REFERENCES 12