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Composite Bicycle Frame Design
Bartoška, Vojtěch ; Řehák, Kamil (referee) ; Janoušek, Michal (advisor)
This work aims to the design of a carbon fiber bicycle frame with production technology suitable for piece production. The work summarizes the methods of production of composite frames and important parameters that must be respected when designing the frame. A Gravel frame was chosen for the design. The frame was designed for production using stainless steel printed lugs with glued composite tubes. The proposed solution was strength tested. The work also contains a design of a production jig for the construction of bicycle frames.
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Bonding of 3D printed PET-G parts
Maxa, Ondřej ; Kupčák, Radim (referee) ; Zemčík, Oskar (advisor)
This bachelor thesis solves the problem of gluing PET-G material, which is used for printing 3D models in 3D printers. The goal is to select and then test the adhesive suitable for bonding the material. The suitability of the recommended adhesives was determined on the basis of standardized tests on experimental blasting equipment. Based on the measurement results, it is suitable to use one-component instant adhesives for gluing PET-G material, the advantage of which is easy handling and quickly achievable handling strength.
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Durability of glued joints of structural timber elements
Mlčák, Tomáš ; Vejpustek, Zdeněk (referee) ; Vaněrek, Jan (advisor)
This bachelor thesis deals with the topics of durability of glued connections of structural wooden elements. The theoretical part of the work deals with the construction of wood, selected defects of wood, a description of carpentry joints and fasteners. The work also pays attention to adhesives and sealants used in glued joints of wooden structures or the issue of crack repair systems in wood. The practical part of the work is focused on experimental verification of the durability of used adhesives and sealants for glued carpentry elements.
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Carbon Fiber Formula Student Driveshaft
Bartoška, Vojtěch ; Prokop, Aleš (referee) ; Janoušek, Michal (advisor)
The work contains summary of possible design solutions of the drive shafts for Formula Student vehicle. Choice of the composite shaft design and its design, including proposal of tripod and bonded joint. Design verification by static and dynamic testing. Comparison of composite drive shafts with steel drive shafts.
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Study of durability of wood glue bonds against increased temperature
Kučera, Vít ; Vejpustek,, Zdeněk (referee) ; Vaněrek, Jan (advisor)
In this time are for design of wooden elements available simplified procedures for fire modeling which defines ČSN EN 1991-1-2. But it is not experimentally tested the impact of adhesive on the final value of fire resistance of laminated panels. This diploma thesis solves basic normative practices that could explain the durability of glue bond against increased temperatures. in the practical part will be undertaken to experimentally assess the impact of various kinds of adhesive-based (epoxy, formaldehyde, PUR and EPI) on the glued bond durability against increased temperature. Glued joints that will be subjected to gradual temperature exposure in order to assemble the dependence of the temperature influence on the final strength of the joint according to the type of adhesive.
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Analysis of adhesives in general engineering
Trhoň, Vojtěch ; Kovář, Petr (referee) ; Kubíček, Jaroslav (advisor)
This bachelor thesis is concerned with analysis of adhesives in general engineering and it is focusing on the partition of adhesives according to curring and usability. Positive and negative mechanical stress of glued joints are characterised here. The technologic process of gluding side panels of tram is elaborated in the end of this bachelor thesis.
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