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Wyświetlanie 1-4 z 4
Tytuł:
Wyroby wysokoglinowe modyfikowane SiC dla urządzeń metalurgicznych
High-alumina products modified by SiC addition for metallurgical units
Autorzy:
Barański, J.
Witek, J.
Majchrowicz, I.
Powiązania:
https://bibliotekanauki.pl/articles/391899.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Ceramiki i Materiałów Budowlanych
Tematy:
wyrób ogniotrwały
wyrób wysokoglinowy
węglik krzemu
inżynieria odlewnicza
refractory product
high-alumina ceramics
carborundum
foundry engineering
Opis:
Przedstawiono charakterystykę fizykochemiczną nowego gatunku wyrobów wysokoglinowych, zmodyfikowanych poprzez wprowadzenie do ich składu chemicznego węglika krzemu (SiC). Podano wyniki badań aplikacyjnych wymienionych wyrobów w kadziach żeliwiakowych. Przeprowadzone próby wykazały blisko dwukrotny wzrost trwałości wymurówki kadzi w porównaniu z wyrobami standardowymi.
The physicochemical characteristics of the new type of highalumina SiC-addition modified products was described. Results of application tests in cupola ladles were presented. Carried out tests showed almost double increase of ladle lining durability in comparison with conventional products.
Źródło:
Prace Instytutu Ceramiki i Materiałów Budowlanych; 2010, R. 3, nr 6, 6; 67-72
1899-3230
Pojawia się w:
Prace Instytutu Ceramiki i Materiałów Budowlanych
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of the Use of Agile Methods, Tools and Techniques in Foundry Enterprises
Autorzy:
Pacana, Andrzej
Czerwińska, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/27323564.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
Agile business management
agility
management and quality
mechanical engineering
foundry engineering
zwinne zarządzanie przedsiębiorstwem
zwinność
zarządzanie i jakość
inżynieria mechaniczna
inżynieria odlewnicza
Opis:
In an increasingly volatile environment, the importance of agile management, which should be based on flexible procedures and agile strategy, is increasing. The purpose of the study was to analyze the trend of development, level of knowledge and implications with the application of agile methods, techniques in project, program and manufacturing process management tools, as well as to identify areas of activity of foundry companies in the context of increasing the efficiency of their operations through the use of agile project approach. The completed research indicated that the knowledge and variety of application of agile methods, tools and techniques is at a relatively low level within the framework of project, program and manufacturing process management in the surveyed foundries. Among the most commonly used instrumentation are: PDCA, Kanban, SCRUM, SCRUMBAN, Lean Development, DMAIC and XP. The research showed that the use of agile instrumentation in the areas of projects, programs and manufacturing process management allows work to be done in an orderly and transparent manner. Foundries that consistently use agile instrumentation produce high-quality and non-conformity-free products with short time-to-market. Future research directions will be to perform a comparative analysis of the level of knowledge and implications of agile instrumentation in foundries located in Poland and selected neighboring countries.
Źródło:
System Safety : Human - Technical Facility - Environment; 2023, 5, 1; 1-9
2657-5450
Pojawia się w:
System Safety : Human - Technical Facility - Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research of Emission of Commercial Binders Used in ALPHASET Technology - Estimated Quantitative Analysis
Autorzy:
Roczniak, A.
Holtzer, M.
Kmita, A.
Powiązania:
https://bibliotekanauki.pl/articles/383333.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
environment protection
foundry engineering
ALPHASET technology
Py-GC/MS
BTEX emission
ochrona środowiska
inżynieria odlewnicza
technologia ALPHASET
emisja BTEX
Opis:
The results of investigations of three commercial binders applied in the Alphaset technology marked as: Sample E , Sample T and Sample S are presented in the hereby paper. These samples were subjected to the pyrolysis process at a temperature of 900°C (inert atmosphere, He 99.9999). The gas chromatograph coupled with the mass spectrometer and pyrolizer (Py-GC/MS) were used in the study. The identification of gases emitted during the thermal decomposition was performed on the basis of the mass spectral library. The obtained results indicate a certain diversification of emitted gases. Among the pyrolysis products the following harmful substances were identified: furfuryl alcohol, formaldehyde, phenol and also substances from the BTEX (benzene, toluene and ethylobezneze and xylenes) PAHs (Polycyclic Aromatic Hydrocarbons) and VOC groups (Volatile Organic Compounds). Therefore, from the environment protection point of view performing systematic investigations concerning the harmfulness of binders applied in the moulding and core sands technology, is essential.
Źródło:
Archives of Foundry Engineering; 2018, 18, 1; 109-114
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of the Triboelectric Method for the Ongoing Assessment of the Quality of Reclaim in Mechanical Reclaimers
Autorzy:
Dańko, R.
Pietrzak, A.
Gruszka, D.
Powiązania:
https://bibliotekanauki.pl/articles/2161212.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
mechanical reclamation
reclamation process
regeneration
foundry engineering
fenol resin
moulding sand
regeneracja mechaniczna
proces rekultywacji
regeneracja
inżynieria odlewnicza
żywica fenolowa
Opis:
The method of the ongoing assessment of the reclaim quality originating from the mechanical reclamation is described in this paper. In the process, the triboelectric system of measuring amounts of dust in the dedusting part of a reclamation device was applied. Based on the online measurements of the amounts of dust generated in the spent sand-reclamation process and the post-process determinations of the ignition losses and granular structures of the removed dust, the proper work parameters of the experimental reclaimer were selected. The allowable value of the ignition losses as well as the main fraction of the reclaimed matrix being similar to fresh sand was assumed as the main criteria of the positive assessment of the process. Within the presented investigations, a periodically operating device for rotor-mechanical reclamation was developed. The possibility of changing the intensity and time of the reclamation treatment as well as the triboelectric system of the dust-amount measuring were applied in this device. Tests were performed for the spent moulding sand with phenol-resol resin Carbophen 5692 hardened by CO2. This sand represents the moulding sand group with a less harmful influence on the surroundings for which the recovery of the quartz matrix utilising the reclamation requires stricter control of the parameters of the reclamation process and reclaim quality.
Źródło:
Archives of Foundry Engineering; 2022, 22, 2; 63--70
1897-3310
2299-2944
Pojawia się w:
Archives of Foundry Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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