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Návrh a realizace 3D tiskárny s vysokým rozlišením tisku / Design and realisation of 3D printer with high resolution of printPeml, Luboš January 2014 (has links)
This thesis deals with the design and realisation of the stereolithographic 3D printer using DLP projector. The work describes the selection of suitable components for the printer´s mechanical construction and manufacturing of this construction, the solution of printer´s electronics and creation of the printer´s host software and firmware. Recommendations based on executed experiments for the parameters´ values settings have been given here.
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Konstrukční návrh 3D tiskárny / Engineering design of 3D printerSchoula, Šimon January 2016 (has links)
The thesis is focused on structural design of machine prototype for 3D print. Used technology is stereolithography. Machine design must be easy to built and low cost. First part of thesis is especially focused on FDM printers, because the design of my printer is more similar to them. Based on systems analysis are defined all parts of printer. Next part of thesis describes SLA technology from which proceed another requirements for machine. Second part contains final structural design of machine including necessary calculations and simulations. Another parts of thesis are focused on control system of printer including software, risk analysis and technical drawings of selected machine parts.
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Optimalizace 3D tisku a post-processingu pokročilé keramiky na bázi kalcium fosfátu / Optimization of 3D printing and post-processing of advanced ceramics based on calcium phosphateValenová, Ludmila January 2021 (has links)
The diploma thesis is related to the preparation of hydroxyapatite complex structures by additive manufacturing known as Lithography based ceramics manufacturing – LCM. A photosensitive suspension containing hydroxyapatite particles was used for 3D printing of ceramic complex structures. The influence of printing parameters on the resulting macrostructure, microstructure, density, and dimensional accuracy was evaluated. The aim was to obtain ceramic components without delamination of the layers and optimise following post-processing steps (cleaning and thermal treatment). It was found that the exposure time has a significant effect on the dimensional accuracy of printed parts. During observation microstructure of printed parts, a microporosity at the interface of printed layers, which can cause delamination of several layers was identified. High-temperature dilatometry showed different temperature of beginning densification process in the longitudinal and perpendicular directions to the layers. That could be an initiation mechanism for delamination of the layers. X-ray diffraction analysis determined a single-phase composition of powder in photosensitive suspension and sintered parts. A commercial product LithaSol 20 was suggested as a suitable cleaning agent and efficiency of the ultrasound field for cleaning was demonstrated. Based on the thermogravimetric analysis an optimized cycle of heat treatment was designed. The optimisation led to time saving (49 hours), while maintaining density, dimensional accuracy and macrostructure of the 3D printed structures.
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Design 3D tiskárny / Design of 3D PrinterChrástek, Jan January 2017 (has links)
Diploma thesis is focused on design of stereolithography 3D printer, which includes new technology and innovations to achive larger workspace and easy and comfortable manipulation. Great part of thesis is focused on shaping and aesthetic effect with respect of functional, safety, ergonomic and technical claims.
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Stereolitografická tiskárna pro výrobu buněčného kultivačního zařízení / Stereolithographic printer for producing a cell culture deviceGricová, Monika January 2019 (has links)
Stereolithography printing is one of the most popular 3D printing technologies. This printers use a UV light source for photopolymer curing and can be used for a wide range of applications with high precision and excellent print quality. Commercially available printers do not allow the modifications of the optical and mechanical parameters of the instrument. For this reason, a DLP printer has been designed to allow the optical system modifications and thus changing the printing field and resolution. Another advantage is the possibility to modify already designed mechanical parts. The DLP printer has been designed and tested. The recommended printer parameters settings are listed, which are based on the performed experiments.
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