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Present state of investment casting technology
Soukupová, Lucie ; Šmíd, Dušan (referee) ; Horáček, Milan (advisor)
The Bachelor’s thesis deals with the latest trends in investment casting technology, from wax pattern manufacture, ceramic shell manufacture, de-waxing, shell heat treatment up to metal pouring and finishing operation. In the first part, the outline of the world production and the usage of investment castings nowadays are introduced. The other parts of the project include the basic technique of using new technologies. The aim of this work is developing a literature search focused on the most modern equipment and raw materials that are used in investment casting technology and testing of wax mixtures and ceramic slurries.
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Actual trends in manufacturing of permanent patterns
Procházka, Michal ; Bouška, Ondřej (referee) ; Horáček, Milan (advisor)
This bachelor thesis deals with the more detailed description of various methods employed for the manufacturing of permanent patterns which are used for making of nonpermanent moulds. According to the type of materials the models are divided into the wooden, the metallic, the plastic and the models made from the resin. The work covers the description of handmade manufacturing which is performed either manually (generally in case of wooden models) or by conventional methods of machining. It also includes the CNC machining mostly used for the manufacture of larger models. Further, certain methods Rapid prototyping are described here but these methods are restricted in sizes of future model, as they are used for the models of smaller measurements. Finally, the newer methods including the methods of Additive manufacturing are also described in the work.
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"Net Shape" technologies suitable for castings
Bartoš, Filip ; Zemčík, Ladislav (referee) ; Horáček, Milan (advisor)
This thesis has the task to gather basic information about the technologies used in the manufacture of finished castings, i.e. without further processing, the so-called "Net-Shape". It is focused on technology investment pattern, the combustible model shell casting "Croning“, die casting pressure, die casting to ingot and centrifugal casting. All these technologies are compared in terms of specific features, range use, production economy, the advantages, disadvantages, the resulting quality of castings and other important factors.
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Present state of investment casting technology
Mazůrek, Tomáš ; Zemčík, Ladislav (referee) ; Horáček, Milan (advisor)
The bachelor’s thesis elaborated within the scope of full-time study of specialization B-STI Mechanical Engineering is dealing with procedures and methods of production castings using the lost wax casting technology. This literature review deals with the entire production process from casting molds for the production models to the ultimate control of manufactured parts and is structured exactly as the technological process in the manufacture of components. For each of the technological process are given commonly used procedures and new technologies that are developed and are now examined. The second part is specific examples of the use of technology investment pattern at present. The aim of this work is to create a bibliographic search, describing the evolution of technology, investment pattern and its possible use today.
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