The technology of assembly and welding body dryer drum

Diploma thesis on welding. The technology of assembly and welding cylinder body of dryer.
Language of work - Russian and Ukrainian.
Drawings - 9 sheets A1 format.

TABLE OF CONTENTS
1 surveillance and analytical section 8
description of the product and the conditions of the product 8
weldability 12H1MF 9
characteristics of the base metal 9
problems that arise when welding steels of the class and the methods of dealing with them 11
technical specifications for the fabrication of the dryer drum 13
2 Technology section 15
2.1 development process 15
2.2 The selection of welding 19
2.3 The selection of welding consumables 21
2.4 The choice of the type of welded joints and edge preparation 23
2.5 calculation of welding parameters 25
3 selection of welding equipment 34
3.1 Power Supply 34
3.2 automatic welding 35
4 Design section 39
4.1 plants for the manufacture of dryer drum 39
4.2 The calculation of the roller stand 42
5 Quality Control 44
6 projecting section of the shop 47
7 economic part 48
7.1 determination of the cost of processing the product 51
7.2 The costs of the basic materials: 51
7.3 The costs of welding consumables 52
7.4 The electricity costs 55
7.5 The cost of workers´ wages 55
7.6 depreciation on equipment 56
7.7 The costs of repairs and maintenance of equipment 59
7.8 costs and amortization of retention area of the building, which occupies 59 Equipment
7.9 determination of the economic efficiency of the design solution 63
8 Occupational Safety 65
8.1 The base case analysis technology 66
8.2 means and measures to improve working conditions 66
8.3 PPE 78
8.4 normalization of the ecological situation 78
8.5 The calculation of engineering solutions 79
conclusions 80
bibliography 82
Application 83