Thematische Bibliographien / Laserové technologie

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  1. Zeitschriftenartikel
  2. Dissertationen
  3. Bücher

Auswahl der wissenschaftlichen Literatur zum Thema „Laserové technologie“

Autor: Grafiati
Veröffentlicht am 28. Juni 2021
Zuletzt aktualisiert am 1. Februar 2022

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Zeitschriftenartikel zum Thema "Laserové technologie"

1

Pawłowicz, Joanna A. „Pomiary uszkodzeń budynku na podstawie trójwymiarowych danych ze skaningu laserowego“. BUILDER 275, Nr. 6 (24.05.2020): 28–29. http://dx.doi.org/10.5604/01.3001.0014.1447.

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Naziemny skaning laserowy 3D (ang. Terrestrial Laser Scanning) jest nowoczesną technologią pomiarową, dzięki której można szybko uzyskać zbiór danych o obiekcie. Otrzymane informacje są bardzo szczegółowe, dzięki czemu zakres ich zastosowania jest szeroki. Skanery laserowe świetnie sprawdzają się w inwentaryzacji i identyfikacji uszkodzeń obiektu. Wykonanie takich analiz i określenie ich zasięgu odbywa się dzięki wykorzystaniu trójwymiarowej chmury punktów. W procesie postprocessingu można odczytać np. długości spękania w murze bez dodatkowych pomiarów w terenie. To daje pogląd na stan techniczny budynku. Na podstawie tych informacji można zaplanować prace remontowe. Utrzymanie obiektów jest jednym z etapów w cyklu życia budynku. Zaś chmura punktów stanowi podstawę do wykonania modelu budynku 3D. Może on posłużyć do opracowania modelu BIM tego obiektu. Praca skupia się na przedstawieniu problematyki wykorzystania naziemnego skanera laserowego 3D do zebrania danych w celu identyfikacji i pomiaru uszkodzeń budynku zabytkowego.
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FONSECA, A. S., Mar Viana und X. QUEROL. „Narażenie na nanocząstki w środowisku pracy w procesach ceramicznych wykorzystujących technologię laserową“. Occupational Safety – Science and Practice 538, Nr. 7 (19.07.2016): 18–21. http://dx.doi.org/10.5604/01377043.1210101.

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Roub, Radek, Tomáš Hejduk und Pavel Novák. „Automating the creation of channel cross section data from aerial laser scanning and hydrological surveying for modeling flood events / Automatická tvorba geometrie vodních toků na základě syntézy dat z leteckého laserového skenování a hydrologického měření pro modelování povodňových událostí. j. hydrol., hydromech., 60, 2012, 4; 25 lit., 8 obr., 5 tab.“ Journal of Hydrology and Hydromechanics 60, Nr. 4 (01.12.2012): 227–41. http://dx.doi.org/10.2478/v10098-012-0020-5.

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Knowing the extent of inundation areas for individual N-year flood events, the specific flood scenarios, and having an idea about the depths and velocities in the longitudinal or transverse water course profile provided by hydrodynamic models is of key importance for protecting peoples’ lives and mitigating damage to property. Input data for creating the watercourse computational geometry are crucial for hydrodynamic models. Requirements for input data vary with respect to the hydrodynamic model used. One-dimensional (1D) hydrodynamic models in which the computing track is formed by cross-sectional profiles of the channel are characterized by lower requirements for input data. In two-dimensional (2D) hydrodynamic models, a digital terrain model is needed for the entire area studied. Financial requirements of the project increase with regard to the input data and the model used. The increase is mainly due to the high cost of the geodetic surveying of the stream channel. The paper aims at a verification and presentation of the suitability of using hydrological measurements in developing a schematization (geometry) of water courses based on topographic data gained from aerial laser scanning provided by the Czech Office for Surveying, Mapping and Cadastre. Taking into account the hydrological measurement during the schematization of the water course into the hydrodynamic model consists in the derivation of flow rate achieved at the time of data acquisition using the method of aerial laser scanning by means of hydrological analogy and in using the established flow rate values as a basis for deepening of the digital terrain model from aerial laser scanning data. Thus, the given principle helps to capture precisely the remaining part of the channel profile which is not reflected in the digital terrain model prepared by the method of aerial laser scanning and fully correct geometry is achieved for the hydrodynamic model.
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Borek, Aleksander, Andrzej Klimpel, Ryszard Grzelka, Sebastian Mucha und Bartłomiej Ścibisz. „Technologie laserowe spawania, wytwarzania i obróbki cieplnej warstw wierzchnich“. Przegląd Spawalnictwa - Welding Technology Review 85, Nr. 10 (10.10.2013). http://dx.doi.org/10.26628/ps.v85i10.185.

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5

Radek, Norbert, und Wojciech Żórawski. „Technologia wytwarzania i właściwości powłok węglikowo-ceramicznych nanoszonych elektroiskrowo modyfikowanych wiązką laserową“. Przegląd Spawalnictwa - Welding Technology Review 84, Nr. 8 (10.08.2012). http://dx.doi.org/10.26628/ps.v84i8.364.

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Dissertationen zum Thema "Laserové technologie"

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Urban, Jan. „Realizace laserové technologie“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2012. http://www.nusl.cz/ntk/nusl-230017.

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The aim of this thesis is to describe the replacement of wire cutting laser cutting for cutting inserts made of hard material. Description of current situation in the company Vydona, tender and choice of laser and the need for post-laser workshop. The next section deals with the cutting of a particular sample. The last part of the technical economic assessment are calculated hourly rates of machines and the time and cost loads of different cutting inserts.
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Zlesák, Jakub. „Trendy vývoje LASERové technologie“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228109.

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The basic acquaintance with laser technology principles. The consideration and evaluation of this technology present state in engineering. The possibilities of applying new knowledge and discoveries in this field for using in engineering. The estimation of laser technology development within further 5 years and consideration of this technology economical demands.
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Popela, Martin. „Nasazení laserové technologie v podmínkách zakázkové výroby“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2009. http://www.nusl.cz/ntk/nusl-228421.

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The thesis is focused on theoretical analysis and physical description of laser beam technology. It deals with possibilities and concrete methods of laser technologies in perspective of metal machining and in detail it describes CO2 laser and its inclusion to the manufacturing process in concrete engineering company. Further it describes the components base and the construction technology of typal representatives. The thesis includes the proposition of solution of increase the productivity of the laser workplace and also technical and economical evaluation of this technology.
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Kramoliš, Lukáš. „Laserové řezání s podporou vzduchu“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2010. http://www.nusl.cz/ntk/nusl-229292.

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This project, elaborated within the engineering studies (code of field of study: N2301), deal with air supported laser cutting and its practical usage in industry. The project is divided into theoretical and experimental sections, consisting of detailed description of several successive steps of the experiment. The theoretical section describes the principle and function of laser, individual types of lasers and their classification, laser beam properties, laser cutting, etc. The practical part is focused on finding of a set of optimal cutting parameters, assessment of results of air supported laser cutting in terms of quality and accuracy of cutting surface. This part is followed by comparison of cutting surfaces with a conventional technology of laser cutting that uses oxygen and nitrogen. Final part of the project evaluates applicability of this unconventional technology from the economic point of view.
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Jedličková, Veronika. „Využití laserové skenovací hlavy pro povrchové kalení“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443208.

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The diploma thesis addressed the issue of laser surface hardening using dynamic oscillation of the laser beam. The theoretical part presents the hardening technology and suitable using of laser equipments. The fiber laser YLS 2000 was used in the experiment and the hardened material was steel 12 050, which is suitable for laser hardening. The influence of two selected parameters of the scan head on the resulting structure and hardness of hardening layers was examined. Based on the results, the choice of optimal parameters for identical conditions with the experiment was recommended.
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Podaný, Petr. „Optimalizace technologie laserového dělení trubek se čtvercovým průřezem“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382121.

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The master thesis deals with the design and manufacture of tabbed joint in the profile with a square cross section using laser cutting. They examine their suitability and impact on the following MAG welding operation in terms of efficiency and accuracy. The theoretical part provides basic information about lasers used in industry and laser cutting methods. There is also a section dedicated to laser apparatus for tube cutting along with problematic about the laser cutting profiles. The experimental part describes the procedure of designing tabbed joint, making samples and measuring them. In the end, the individual samples are compared in terms of angular deflection after welding. The thesis also contains a technical-economic evaluation, where the costs of individual operations are quantified.
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Žák, Tomáš. „Využití hybridní technologie Laser-TIG pro svařování rozdílných materiálů používáných v energetice“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400985.

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Thesis is focused on analyzing the influence of preheating process parameters using electric arc from TIG torch during laser welding on weld properties of stainless steel and carbon steel with higher strength. In this thesis experiment was done in which metal sheets 3 mm thick from X12Cr13 and S355 steels were welded. Welding was done first with using only laser, then laser with TIG preheating and lastly laser with preheated material by induction heater. When TIG preheating was used than set welding current was changed on the power source. The welds were subsequently evaluated based on macrostructure, microstructure and Vickers hardness test.
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Kachlíř, Jaromír. „Využití hybridní technologie Laser-TIG pro svařování bórem dopovaných vysokopevnostních ocelí“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-402499.

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This thesis deals with the usage of arc preheating for welding high strength boron enhanced steel 22MnB5 using hybrid technology known as laserTIG and also its impact on the final weld compared to welds welded by only the laser or the arc method. During the experiment I welded five sheets of the above mentioned steel 1,3 or 1,9 milimeters wide. Except for the welds fabricated by the laser and the TIG method was the only variable the electric current of the arc (I = 20, 40, or 60 A). Welds welded this way were compared based on strength limits measured by the tensile tests. Additionally were they compared according to the metalographic survey and the progress of weld hardness, calculated using the Vickers hardness test.
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Drápela, Petr. „Využití hybridní technologie Laser-TIG pro svařování hliníkových slitin“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399437.

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Different problems arise from choice of setting technological parameters during welding of alluminium alloys. Choice of welding method, welding speed and material influence mechanical properties of welds. During welding of alluminium alloys come difficulties due to oxidation of thin surface layer of material. One of ways how to overcome this obtacle is to use hybrid laser-TIG welding method. In this diploma thesis is described influence of welding processes on mechanical properties of two alluminium alloys(EN AW-5754 H22, EN AW-6082 T6) and change in their microstructure during welding.
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Krejčí, Adam. „Svařování oceli 22MnB5 pomocí hybridní technologie Laser-TIG“. Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417452.

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This thesis deals with usage of hybrid technology Laser-TIG for welding of boron enhanced steel 22MnB5. This thesis evaluates the influence of preheating using technology of TIG arc welding to a weld quality in comparison with laser welds. In practical part of thesis there were 1,8 mm metal sheets of 22MnB5 welded. This metal sheet specimens were welded by using constant parameters of laser with varying parameters of TIG technology. There were 12 specimens of sheet metal created including 3 specimens using only laser and 9 specimens using Laser-TIG hybrid technology while varying magnitude of current (I=20 A, 40 A a 60 A). Welds created this way were evaluated by tensile test and strength limits compared. Then metalografic survey was carried out examining macro and microstructure. Results of metalografic survey were confronted with Vickers hardness test.
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Mehr Quellen

Bücher zum Thema "Laserové technologie"

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Klimpel, Andrzej. Technologie laserowe: Spawanie, napawanie, stopowanie, obróbka cieplna i cięcie. Gliwice: Wydawnictwo Politechniki Śląskiej, 2012.

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