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Author: Dinghua Zhang Publisher: Springer ISBN: 3662541882 Category : Technology & Engineering Languages : en Pages : 250
Book Description
Focusing on the theory and techniques of digital design and manufacturing for turbine blade investment casting, this book systematically summarizes the advances in applications in this field. It describes advanced digital design theory and methods and provides practical technical references for investment casting die design and manufacturing. The theories, methods and cases presented here are largely derived from the author’s practical engineering experience and the research he and his team have carried out since the 1990s. It includes academic papers, technical reports and patent literature, and provides a valuable guide to engineers involved in the die-design process. Given its comprehensive coverage, the book makes a significant contribution to investment-casting die design and aero-engine blade manufacturing, while at the same time promoting the development of aero-engine manufacturing technologies
Author: Dinghua Zhang Publisher: Springer ISBN: 3662541882 Category : Technology & Engineering Languages : en Pages : 250
Book Description
Focusing on the theory and techniques of digital design and manufacturing for turbine blade investment casting, this book systematically summarizes the advances in applications in this field. It describes advanced digital design theory and methods and provides practical technical references for investment casting die design and manufacturing. The theories, methods and cases presented here are largely derived from the author’s practical engineering experience and the research he and his team have carried out since the 1990s. It includes academic papers, technical reports and patent literature, and provides a valuable guide to engineers involved in the die-design process. Given its comprehensive coverage, the book makes a significant contribution to investment-casting die design and aero-engine blade manufacturing, while at the same time promoting the development of aero-engine manufacturing technologies
Author: David Lawrence Margetts Publisher: ISBN: Category : Languages : en Pages : 144
Book Description
The manufacturing of turbine blades is often outsourced to investment casting foundries by aerospace companies that design and build jet engines. Aerospace companies have found that casting defects are an important cost driver in the price that they pay the foundries for the turbine blades. Defect types include porosity, stress, grain, fill, and mold-related defects. In order to address the defect problem, aerospace companies have adopted a design for manufacture approach to drive the cost of the turbine blades down. The principal research objective of this thesis was to discover how the critical part features on the turbine blade drive the number of manufacturing defects seen in the casting process. This problem was addressed by first selecting and evaluating a casting simulation software package. Secondly, a robust design of experiments was performed by using the simulation software. In the experiment, the dimensions of the critical part features were varied in order to quantify how the critical part features relate to manufacturing defects.
Author: Angela Gallagher Publisher: ISBN: Category : Gas-turbines Languages : en Pages : 65
Book Description
In the power generation sector, more specifically, the gas turbine industry, competition has forced the lead time-to-market for product advancements to be more important than ever. For design engineers, this means that product design iterations and final product development must be completed within both critical time windows and budgetary constraints. Therefore, two areas that have received significant attention in the research and in practice are: (1) rapid prototyping technology development, and (2) rapid prototyping technology selection. Rapid prototyping technology selection is the focus of this research. In practice, selecting the rapid prototyping method that is acceptable for a specific design application is a daunting task. With technological advancements in both rapid prototyping and conventional machining methods, it is difficult for both a novice design engineer as well as an experienced design engineer to decide not only what rapid prototyping method could be applicable, but also if a rapid prototyping method would even be advantageous over a more conventional machining method and where in the manufacturing process any of these processes would be utilized. This research proposes an expert system that assists a design engineer through the decision process relating to the investment casting of a superalloy gas turbine engine component. Investment casting is a well-known technique for the production of many superalloy gas turbine parts such as gas turbine blades and vanes. In fact, investment-cast turbine blades remain the state of the art in gas turbine blade design. The proposed automated expert system allows the engineer to effectively assess rapid prototyping opportunities for desired gas turbine blade application. The system serves as a starting point in presenting an engineer with commercially-available state-of-the-art rapid prototyping options, brief explanations of each option and the advantages and disadvantages of each option. It is not intended to suggest an optimal solution as there is not only one unique answer. For instance, cost and time factors vary depending upon the individual needs of a company at any particular time as well as existing strategic partnerships with particular foundries and vendors. The performance of the proposed expert system is assessed using two real-world case studies. The first case study shows how the expert system can advise the design engineer when suggesting rapid manufacturing in place of investment casting. The second case study shows how rapid prototyping can be used for creating part patterns for use within the investment casting process. The results from these case studies are telling in that their implementations potentially result in an 82 to 94% reduction in design decision lead time and a 92 to 97% cost savings.
Author: Gui Ping Liu Publisher: Trans Tech Publications Ltd ISBN: 3038137413 Category : Technology & Engineering Languages : en Pages : 1000
Book Description
Volume is indexed by Thomson Reuters CPCI-S (WoS). These proceedings contain the fully refereed papers which were presented at the 2nd International Conference on Materials and Manufacturing Technology (ICMMT 2011) held during July 8-10, 2011 in Xiamen, China. The main goal of the event was to provide an international scientific forum for the exchange of new ideas in a number of fields, and to facilitate in-depth discussions with peers all over the world. Core areas of materials and manufacturing technology, as well as multidisciplinary, interdisciplinary and future applications are covered; thus providing a timely guide to the entire field.
Author: Peter Beeley Publisher: Butterworth-Heinemann ISBN: 9780750645676 Category : Technology & Engineering Languages : en Pages : 752
Book Description
Introduction; Liquid Metals and the Gating of Castings; Solidification 1 -- Crystallization and the development of cast structure; Solidification 2 -- the Feeding of Castings; The Moulding Material -- Properties, Preparation and Testing; Defects in Castings; Quality Assessment and Control; Casting Design; Production Techniques 1 -- the Manufacture of Sand Castings; Mould Production; Melting and Casting; Finishing Operations; Production Techniques 2 -- Shell, Investment and Die Casting Techniques; Production Techniques 3 -- Further Casting techniques; Environmental Protection, Health and Safety; Appendix; Index.
Author: Jing Wu Publisher: Trans Tech Publications Ltd ISBN: 3038137340 Category : Technology & Engineering Languages : en Pages : 424
Book Description
Volume is indexed by Thomson Reuters CPCI-S (WoS). These are the proceedings of the International Conference on Advanced Manufacturing Technology and Systems (AMTS 2012), held on the 17th April 2012 in Wuhan, China. They cover the most recent developments in advanced manufacturing technology and systems.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The manufacturing of turbine blades is often outsourced to investment casting foundries by aerospace companies that design and build jet engines. Aerospace companies have found that casting defects are an important cost driver in the price that they pay the foundries for the turbine blades. Defect types include porosity, stress, grain, fill, and mold-related defects. In order to address the defect problem, aerospace companies have adopted a design for manufacture approach to drive the cost of the turbine blades down. The principal research objective of this thesis was to discover how the critical part features on the turbine blade drive the number of manufacturing defects seen in the casting process. In the experiment, the dimensions of the critical part features were varied in order to quantify how the critical part features relate to manufacturing defects.
Author: Jung Bahadur Singh Publisher: Springer Nature ISBN: 9811915628 Category : Technology & Engineering Languages : en Pages : 369
Book Description
This book gives a brief history of the development of Alloy 625 and a detailed account of its physical, mechanical, and corrosion properties. It also addresses different types of microstructural changes the Alloy 625 undergoes at intermediate temperatures; provides details of properties deterioration due to such microstructural changes; assesses the alloy damage during the in-service inspection of plants; and provides criteria for the damage evaluation for various destructive and non-destructive testing. It combines the industrial data and literature together in one place for damage assessment of service exposed Alloy 625 components. This book serves as a guide to practicing engineers in the industry interested in the use of Alloy 625 and in academia for students pursuing advanced courses in materials science. Alloy 625 is a versatile nickel-chromium-molybdenum alloy known for its unique combination of high strength, excellent fabricability and weldability, and outstanding corrosion resistance.
Author: Dinghua Zhang
Author: Dinghua Zhang
Author: David Lawrence Margetts
Author: Angela Gallagher
Author: Gui Ping Liu
Author: Peter Beeley
Author: Jing Wu
Author: 
Author: 
Author: Jung Bahadur Singh
Author: