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Wyświetlanie 1-5 z 5
Tytuł:
Limitation of Manufacturing Defects of the Selected Product in the Glass Mill
Autorzy:
Konopek, Sonia
Zarębska, Joanna
Żabińska, Iwona
Powiązania:
https://bibliotekanauki.pl/articles/2064545.pdf
Data publikacji:
2021
Wydawca:
STE GROUP
Tematy:
quality control
qualitative methods
defectiveness
glass products
Opis:
In the era of global market and internationalization of enterprises, an extremely important element influencing the competitiveness of companies is ensuring high quality of manufactured products, taking into account the requirements and expectations of buyers. At the moment when defects appear in the manufactured product, the production plant ceases to meet the expectations of customers. Not only is this related to the costs of production or complaints, but above all to the loss of credibility and good customer opinion. It is extremely important to identify and analyze the causes of this phenomenon as soon as possible, without allowing it to repeat itself. The problem of manufacturing defects becomes even more important when it poses a threat to the health or life of the customer. This also applies to products manufactured for the purposes of food protection. This article presents the results of the research that enabled the development of a method to reduce the production defects of a selected product in a glass factory. In order to achieve the goal, an analysis of the production process of the selected glass packaging was carried out, which allowed to identify defects and determine the causes and effects of their formation. Based on the presented research results, improvement measures have been proposed, consisting in developing a new organization of work in the area of quality control.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2021, 4, 1; 453--464
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analiza przyczyn powstawania wad wyrobów szklanych z wykorzystaniem narzędzi jakościowych na przykładzie huty szkła
Analysis of the causes of glass products defects using quality tools on the example of glassworks
Autorzy:
Raszewska, P.
Ligarski, M.
Powiązania:
https://bibliotekanauki.pl/articles/112542.pdf
Data publikacji:
2017
Wydawca:
STE GROUP
Tematy:
wadliwość
wyroby szklane
diagram Pareto-Lorenza
diagram Ishikawy
defectiveness
glass products
Pareto-Lorenz diagram
Ishikawa diagram
Opis:
W opracowaniu przedstawiono analizę wadliwości wyrobów szklanych na przykładzie kieliszków. Dane do pracy uzyskano na podstawie badań przeprowadzonych w okresie 2 miesięcy w wybranej hucie szkła. Przedstawiono możliwości wykorzystania narzędzi jakościowych, którymi są diagram Pareto-Lorenza i diagram Ishikawy. Opracowano arkusze wadliwości wyrobów oraz zidentyfikowano kluczowe dla wyrobów wady. Zidentyfikowano przyczyny powstawania wad oraz zaproponowano sposoby ich eliminacji.
The paper presents an analysis of the defects of glass products on the example of glass. The data obtained for work on the basis of research conducted in the period of two months in the selected glassworks. The possibilities of using quality tools, which are the ParetoLorenz diagram and the Ishikawa diagram, are presented. Defective product sheets have been developed and key defects have been identified. The cause of the defects was identified and proposed ways to eliminate them.
Źródło:
Systemy Wspomagania w Inżynierii Produkcji; 2017, 6, 8; 145-152
2391-9361
Pojawia się w:
Systemy Wspomagania w Inżynierii Produkcji
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Pressure Equalisation Elements on the Quality of Insulating Glass Units
Autorzy:
Respondek, Z.
Powiązania:
https://bibliotekanauki.pl/articles/2064912.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
quality of building products
insulating glass unit
pressure
thermal insulation
Opis:
Continuous increase of expectations concerning improvement in quality of building partitions by means of increasing their thermal insulation properties brings, among others, a need of modification in standards that have been applied to the double glazed windows so far. Triple-glazed and quadruple-glazed IGUs are used more and more often. Such elements have better thermal properties, but they are more prone to deflection and stress resulting from climatic load, i.e. changes in temperature, atmospheric pressure and wind load. Due to the above certain concepts occurred that consist in equalising gas pressure in the gas-filled gaps with the atmospheric pressure. The article contains assessment of such solutions in the context of providing suitable technical parameters of glass panes: thermal insulation and susceptibility to climatic load. It was stated that the pressure-equalizing elements (capillaries) can result in a significant reduction in the quality of the glass partition in the event of the argon purging chamber or damage to the low-E emissions. The lower risk of using required thermal properties occurs when periodically active valves are used, they operate only in case of extreme pressure level differences. Further analysis concerned the idea of pressure equalisation between the gaps of a triple-glazed unit, as that can be done by using an edge spacer of appropriate design. On the basis of comparative analysis of static values it was shown that it is a reasonable solution. Such a unit maintains the properties of a tight unit, while the possibility of gas exchange between the gaps leads to relief of the central glass pane in the unit, thus allowing for decreasing its thickness to 2 mm.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 47--53
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of cross-sectional layers of corrosion using metallographic microscope
Autorzy:
Szala, B.
Greiner-Wrona, E.
Kwaśniak-Kominek, M.
Powiązania:
https://bibliotekanauki.pl/articles/184775.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
corrosion
enamel on copperplate
glass-metal
corrosion build-up
metallographic microscope
cross section of corrosion products
Opis:
The aim of this study was to identify and recognize the phenomena of corrosion between glass-metal connections. Experiments were carried out on historical and contemporary samples treated with corrosion catalysts and the results helped to identify the most corrosive conditions for historic objects. Microscopic observations were carried out on cross-sectional layers of specially prepared samples of enamel on copperplate, corresponding to the chemical composition of historic samples-enamel from Limoges. Subsequently, a series of techniques were implemented improving the quality of the image. A 20-micron thick corrosion layer can be observed and recorded using this method. Observations allowed to determine the quality and technology aspects of the enamel exposed to the processes. The diagnosis of corrosion processes is extremely important in order to determine the application technique of enamel on the metal substrate. Microscopic images therefore revealed the formation of corrosion products. This proved an efficient and effective way to provide information on the thickness, color and structure of the observed layers. Micro-photographs from a metallographic microscope allowed for further planning and the subsequent use of a Scanning Electron Microscope (SEM) with an Energy Dispersive Spectrometer (EDS) and Raman Spectrometer (RS) - mitigating the need for the analysis of the entire sample's surface. Most corroded places have been identified and the metal proved to be more reactive material. The impact of factors such as: the technique of layering the enamel, structural inclusions, pitting corrosion, temperature and the environment's impact have been clearly linked to the overlap of the corrosion processes.
Źródło:
Geology, Geophysics and Environment; 2013, 39, 2; 125-132
2299-8004
2353-0790
Pojawia się w:
Geology, Geophysics and Environment
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Resistance to Seawater of a New Cement Mortar Based on Additions of Recycled Product
Autorzy:
Harbi, Radhia
Derabla, Riadh
Nafa, Zahreddine
Powiązania:
https://bibliotekanauki.pl/articles/2051557.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
cement mortar
recycled products
additions to cement
durability
ecoproduct
brick
glass powder
kaolin filler
zaprawa cementowa
dodatek do cementu
produkty recyklingu
mączka szklana
wypełniacz kaolinowy
trwałość
odporność na wodę morską
Opis:
This paper aims to explore some sustainability indicators including mainly the resistance to seawater of mortars containing 5% kaolin filler in the sand and different types of ecoproducts as cement additions. To this end, an experimental study was carried out with the aim of evaluating the effects of three types of cement additions (glass powder (GP), metakaolin (MK) and brick waste (BW)) with contents of 5, 15 and 25% as well as binary and ternary combinations of these same additions. The results obtained made it possible to show the effectiveness of filler and cement additions (glass powder (GP) or / and metakaolin (MK) compared to brick waste (BW)) in improving the durability of mortars against aggressive agents such as seawater. In the end, the cement mortars made from 25% MK, 25% GP and this compound of 5% GP and 25% MK showed good resistance to attack by seawater.
Źródło:
Civil and Environmental Engineering Reports; 2021, 31, 4; 249-271
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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