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Innovation of suspension mechanism for mountain bike
Hrubý, Patrik ; Zouhar, Jan (referee) ; Sedlák, Josef (advisor)
Bachelor´s thesis includes the description, the analyze of the issue and innovations of the bike suspension for mountain bike, including design of the geometry, shape and propose of the production in the individual production devices. Belonging work is also construction 3D model of the particular parts the bike suspension and making mechanical drawing. The next thesis hints as exploitation of the modern technologies as is reverse engineering, making models in program Autodesk Inventor or work on 5-axis CNC milling machine and their interaction.
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Comparison of roughing strategies in various CAM softwares
Hrabovský, Adam ; Sedlák, Josef (referee) ; Zouhar, Jan (advisor)
Bachelor’s thesis deals with roughing strategies especially with those included in chosen CAM software. The initial part states the common information about the effects on precision of machining and tool load. Next chapter deals with methods of machining and their resulting requirements on construction of the machine. It is followed by the description of new roughing strategies and their utilization; also roughing tools were selected for machining of specified models of mold parts, made of steel and aluminium alloy. In the practical part, roughing strategies were applied to stocks which were subsequently compared by the machining times.
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turning tools for CNC machine tools
Martének, Libor ; Zouhar, Jan (referee) ; Humár, Anton (advisor)
The bachelor's thesis is focused on turning tools for CNC machine tools and CNC lathe centers in term of classification, marking, materials, usage, modern trends of development and production from prestigious producers of turning tools in materials and constructional area.
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Digitalization of ultra-light plane fuselage for production of accurate mould
Véle, Filip ; Sedlák, Josef (referee) ; Zouhar, Jan (advisor)
This work describes digitalization and creation of ultralight aircraft 3D model in order to create accurate moulds for fuselage lamination. Right choice of technology is based on background research. Designed procedures are described in detail as well as used equipment, hardware and software. Objective of this project is application of available methods of digitalization to create 3D aircraft model and its usage for accurate mould design.
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Production of a Jig Using Rapid Prototyping Technology
Růžička, Jan ; Zouhar, Jan (referee) ; Sedlák, Josef (advisor)
The subject of this thesis is the design, modeling and manufacturing of complex shaped parts using modern additive technology Rapid Prototyping. The theoretical basis of the work is involved in Rapid Prototyping and CAD systems and their technology, terminology and basic terms. The analytical part is dedicated to the implementation of the design – construction of the model in parametrical software SolidWorks followed with a creation of the part using 3D printer uPrint working on Fused Deposition Modeling method. Conclusion of this work compares this method with CNC machining and evaluates which method is more efficient and more economical.
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FEM for fast machining simulation
Šeda, Pavel ; Madaj, Martin (referee) ; Zouhar, Jan (advisor)
The work will be focused on FEM for fast machining simulation. Introduction described the theoretical basis of FEM. The various methods (implicit, explicit) and the individual programs (ANSYS Ls-Dyna, Abaqus, Deform, AdvantEdge). At the end of the model calculation will be made for orthogonal cutting, which will be created in Ansys Worbench, counted in a computer program LS-DYNA and the results displayed in the LS-PrePost.
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Construction and production the extension of bicycle pedal
Jurka, Adam ; Zouhar, Jan (referee) ; Jaroš, Aleš (advisor)
Bachelor thesis is focused on the construction and production of extension of bicycle pedal which will be used while cycling withnout cycling spikes. Component will be constructed in 3D parametrical software Autodesk Inventor. Model will be manufactured using Fused Deposition Modeling technology with utilization of 3D printer uPrint. One part of thesis is about manufacturing of silicon mould which will be used for casting of plastic model. Thesis is finished with technical-economic evaluation.
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Simulation and optimization of a manufacturing process in the application of injection molds in forming departments
Nagy, Martin ; Zouhar, Jan (referee) ; Píška, Miroslav (advisor)
This bachelor thesis is focused on the simulation and optimization of the manufacturing process in the application of injection molds in forming departments. The theoretical part describes the process, model, approaches to the process of modeling and software support of the simulation. The author introduced the basic elements of software FlexSim, whose knowledge was crucial to create a model in the practical part. In this part the author describes the formation and function of the model and then he experimented with this model to find optimal solutions for the specified problems. Experiments concluded that the weak point of the process is low utilization of some machines and employees. For these weak points of the process, the author suggested specific solutions.
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