National Repository of Grey Literature 200 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Implementation of a function sample by the 3D printing technology
Kovařík, Martin ; Zemčík, Oskar (referee) ; Osička, Karel (advisor)
The diploma thesis deals with the analysis of the technological possibilities of existing 3D printers, which fall under the general concept of rapid prototyping. Furthermore, the work contains an analysis of the materials used based on plastics and an alternative to 3D printing from metal powders. The main goal of the work is the production of two functional samples and the design of their components for the experiment from three different materials. Specifically, it is about making a holder for a smart mobile phone of normal dimensions in an alternative for a car and in a version for office use. The parts were printed using FDM (Fusion Deposition Modeling) technology, using the three most available and common materials (so-called filaments) that this method uses, namely PLA, ABS and PET-G. As a result of the work, there are also proposals for functional testing methodologies with a focus on product life and technical-economic evaluation, thanks to which it is possible to determine which of the materials is most suitable for 3D printing of the mentioned samples.
A unit of a autonomous cell storage of small-volume liquid concentrates
Braniš, Lukáš ; Kaczmarczyk, Václav (referee) ; Husák, Michal (advisor)
This work deals with the design and optimization of the dosing and storage unit of the robotic bartender's smart liquid warehouse for testbed industry 4.0. Optimization consists in replacing mechanical dispensers with peristaltic pumps. The work also deals with modification of the original electrical wiring, implementation of control using PLC, visualization for HMI and demonstration of cell functionality.
Production of the golf club head
Žádník, Martin ; Kaněra, Miloš (referee) ; Jelínek, Radim (advisor)
Focus of this thesis is on choosing of a suitable production process of golf club head and its subsequent production. Investment casting was chosen as a process of production. Model, which is usually wax, was made on FDM 3D printer from PLA material. The casting material was chosen Maraging 200 steel. Two different putters were created and a short survey was conducted. Based on result of the survey the third model was created.
Design and manufacture of Mjölnir hammer by casting
Bubník, Šimon ; Bořil, Petr (referee) ; Myška, Martin (advisor)
The aim of this bachelor's thesis was to design suitable technologies for the production of Thor's hammer casting within the BUT school foundries. The work contains a theoretical part, which summarizes the casting technology itself, focusing on the production of non-permanent molds, cores and molding compounds. Furthermore, the work contains a practical part, which describes the process of casting production from the creation of the model and its printing, the subsequent production of the mold to the finishing of the casting.
Production of castings using Rapid prototyping
Baránek, Martin ; Myška, Martin (referee) ; Bořil, Petr (advisor)
The work is focused on the production of a decorated stand casting using rapid prototyping and reverse engineering methods. The thesis first performs a literature search dealing with selected additive technologies usable for the production of foundry patterns or molds. Subsequently, the work describes the basics of 3D scanning technology. The experimental part of the thesis describes the production process of castings. The original was first digitized using a hand-held scanner, the obtained data were modified as needed and served as an input for 3D printing of permanent foundry patterns. Their production took place on a FDM 3D printer PRUSA MK3S and they were made of PLA material. The models were then formed into sand molds. The resulting castings were made of grey cast iron.
Comparison of dimensional accuracy of a selected part in 3D printing technology
Basler, Matěj ; Sedlák, Josef (referee) ; Dvořák, Jaromír (advisor)
Thesis is focused on comparison of influence from adjustable parameters on printing accuracy of selected 3D printers. Based on tests on 4 printed models was evaluated, how printers vary in accuracy based on their price and if there is a difference in commercially made printers and those made or modified at home. Tested influence on accuracy was from layer height, printing speed and nozzle size. These parameters were evaluated according to degree of their impact on printing accuracy and printing time.
Production of a replacement accelerator handle using a 3D printer
Vach, Pavol ; Varhaník, Matúš (referee) ; Zemčík, Oskar (advisor)
The aim of the bachelor thesis is the construction of replaceable and variant part of a motorcycle accelerator handle using 3D printing technologies. The theoretical section of thesis focuses on characterisation of methods FDM and DLP, which are used in the practical section, and characterisation of materials and adjustments of final prints. The design of models, technological analysis, verification with FEM, the process itself and evaluation of results is described in the practical section.
Production of a replacement part of the i20 car handle with the FDM printer
Borovský, Adrián ; Kupčák, Radim (referee) ; Zemčík, Oskar (advisor)
The bachelor's thesis deals with the design and manufacture of a functional part of the Hyundai i20 car, specifically the door handles that have been damaged by wear. The aim is to produce a technically and economically suitable variant of the handle, that will meet the technical requirements for operation and will be able to compete with the original.
Technologies of the electrical apparatuses protyping
Svoboda, Filip ; Kloc, Petr (referee) ; Šimek, David (advisor)
The work focuses on the production of prototypes of electrical devices. The theoretical part contains a structured overview of the historical development of prototype production technologies and description of individual prototyping technologies. The main part of the work is the design of a prototype extinguishing chamber, printing of the chamber and verification of the ability to extinguish the electric arc.
The new concept of maintenance and operation of manufacturing technologies
Klus, Jakub ; Marek, Tomáš (referee) ; Marek, Jiří (advisor)
This diploma thesis deals with a new concept of maintenance and operation of production technologies, where spare parts are manufactured using rapid prototyping methods. The options are compared with currently used methods. Furthermore, methodological recommendations are written on how to proceed with the application. The aim of the work is to evaluate the concept and confirm the theoretical assumptions on a case study.

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