| 摘要 | 第5-7页 |
| ABSTRACT | 第7-9页 |
| CHAPTER 1. ANALYSIS OF THE MODERN STATE OF ADDITIVE WELDING TECHNOLOGIES FOR MANUFACTURING VOLUME METALLICEQUIPMENT | 第13-42页 |
| 1.1 Additive technologies overview | 第13-22页 |
| 1.2 History of development, examples and efficiency of application of welding additivetechnologies for manufacturing of three-dimensional metal products | 第22-33页 |
| 1.3 Analysis of the possibilities of plasma-arc welding technologies for the manufacture ofthree-dimensional metal products | 第33-37页 |
| 1.4 Features and advantages of microplasma technology for use in additive industries | 第37-39页 |
| 1.5 Conclusions, setting objectives and goals of the study | 第39-41页 |
| 1.6 Prerequisites for the study | 第41-42页 |
| CHAPTER 2. DEVELOPMENT OF LABORATORY STAND AND METHODS OFRESEARCH | 第42-58页 |
| 2.1 Development of a universal laboratory stand for the study of additive weldingtechnologies | 第42-54页 |
| 2.1.1 Description of the equipment of the universal laboratory stand | 第42-54页 |
| 2.1.1.1 Apparatus for realization of additive arc welding technology with aconsumable electrode | 第43-46页 |
| 2.1.1.2 Power source for plasma (microplasma) welding (surfacing) | 第46-47页 |
| 2.1.1.3 Plasma module | 第47-48页 |
| 2.1.1.4 Plasma torch for additive plasma welding technology using wire as fillermaterial | 第48-49页 |
| 2.1.1.5 Filler feeder for additive plasma technologies | 第49-50页 |
| 2.1.1.6 Plasma torch for the application of powder as filler material | 第50-51页 |
| 2.1.1.7 Laboratory powder feeder for the implementation of additive plasma(microplasma) welding technology | 第51-53页 |
| 2.1.1.8 The manipulator table of the universal laboratory stand for obtaining plate-likesamples "high wall" | 第53-54页 |
| 2.2 Methods for studying the structure and chemical composition of metallic samplesmanufactured using additive welding technology | 第54-56页 |
| 2.3 Methods for studying mechanical properties | 第56-58页 |
| CHAPTER 3. THEORETICAL AND EXPERIMENTAL RESEARCHES ON THE ELECTION OF OPTIMUM DESIGN AND TECHNOLOGICAL PARAMETERS OFMICROPLASMA (PLASMA) ADDITIVE TECHNOLOGY | 第58-95页 |
| 3.1 Choice of a mathematical model and statement of initial conditions for computer simulation of gas dynamics in the circuits of a plasma torch and selection of optimal designand technological parameters | 第58-61页 |
| 3.2 Computer simulation of gas dynamics in plasma torches modified for microplasmaadditive surfacing | 第61-69页 |
| 3.3 Computer simulation of gas dynamics of a new plasma torch for microplasma additive technology, as well as regularities of distribution and trajectories of particles of a fillerpowder | 第69-85页 |
| 3.4 Investigation of the influence of some parameters of the microplasma arc and the two-phase flow "microplasma-filler powder" on the dimensions of the deposited layer | 第85-95页 |
| CHAPTER 4. INVESTIGATION OF INFLUENCE OF CONDITIONS OF ADDITIVE WELDING TECHNOLOGIES PECULIARITIES OF FORMATION AND STRUCTURE OF THE RECEIVED THREE-DIMENSIONAL METALLICSAMPLES | 第95-118页 |
| 4.1 Technological rigging for the studies of the formation of three-dimensional samples suchas "straight high wall" using various plasma-arc additive technologies | 第95-96页 |
| 4.2 Features of the formation of the structure of three-dimensional products such as "thinwall" additive microplasma powder surfacing | 第96-104页 |
| 4.3 Features of the structure of three-dimensional samples of the "thin wall" type, obtainedby microplasma surfacing with a filler steel wire | 第104-113页 |
| 4.4 Features of the structure of three-dimensional samples of the "wall" type, obtained byelectric arc surfacing with a steel wire (MAG process) | 第113-118页 |
| CHAPTER 5. DEVELOPMENT OF A PROTOTYPE OF AUTOMATED EQUIPMENT FOR MANUFACTURING THREE-DIMENSIONAL METAL PRODUCTS ON THEBASIS OF MICROPLASMA AND OTHER PLASMA-ARC TECHNOLOGIES | 第118-145页 |
| 5.1 Hardware-technological scheme of the equipment | 第118-119页 |
| 5.2 Development and description of the basic units of the prototype equipment | 第119-126页 |
| 5.2.1 3D positioner of new design | 第119-122页 |
| 5.2.2 Plasma torch for microplasma additive powder cladding | 第122-123页 |
| 5.2.3 Specialized microplasma module with power supply | 第123-125页 |
| 5.2.4 Powder feeder | 第125-126页 |
| 5.3 Development of a control program and control system for a 3D positioner for theimplementation of additive welding technologies | 第126-131页 |
| 5.4 Universal control system for microplasma and other welding equipment for theimplementation of additive production technologies with the help of a prototype | 第131-138页 |
| 5.5 Manufacture of large-volume volumetric metal products with the help of aprototype | 第138-145页 |
| CONCLUSIONS | 第145-147页 |
| PROSPECTS FOR THE FUTURE APPLICATION | 第147-148页 |
| REFERENCES | 第148-154页 |
| ANNEXES | 第154-155页 |
| 攻读硕士学位期间取得的研究成果 | 第155-156页 |
| ACKNOWLEDGEMENTS | 第156-157页 |
| 附件 | 第157页 |
