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Wyświetlanie 1-15 z 24
Tytuł:
Use the doe method for tool durability increase
Autorzy:
Dulina, Luboslav
Bigošová, Eleonóra
Barbušová, Miroslava
Gašo, Martin
Šeligová, Michala
Powiązania:
https://bibliotekanauki.pl/articles/104070.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
DOE
DMAIC
durability
removable cutting plate
metoda DOE
trwałość
wyjmowana płyta tnąca
Opis:
Constantly improving, which is one of the principles of quality management is the base for good understanding, behaviour of individual processes, investigating variability and impact on its the process. The aim of every business is to increase profits. Reducing the cost of tools can also contribute to this. Utilising the DOE method to reduce the durability of removable cutting plate, as describe the article, is one of way, how to apply this method in practice. The DOE method enables find factors that are the most relevant to the production process and determine their best values. Using this method, you can set the selected inputs so that, the process achieves the desired results with maximum stability and resilience. The article contains a brief overview of Minitab software by which the collected process data was analysed. The core of the article describes how to solve the problem using the singular phases of the DMAIC cycle. Each of these phases has its own specific aim, which logically defines what activities each step is aimed at. DMAIC is extended variant of the process improvement model based at the Deming circle PDCA. Six sigma methodology is used as a standard procedure for project planning and realisation. At the end of an article is described that by increase durability of removable cutting plate the problems found in the analysis of the current condition that have been validated by a case study in the company have been eliminated.
Źródło:
Quality Production Improvement - QPI; 2019, 1, 1; 559-566
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Investigation of Conductive Via Properties
Autorzy:
Jurków, D.
Dorczyński, M.
Golonka, L.
Powiązania:
https://bibliotekanauki.pl/articles/220519.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
LTCC
DOE
experiment
via
electrical
Opis:
The investigation ofthe Low Temperature Co-fired Ceramic (L TCC) via filling process quality is presented in this paper. The goal of this paper was to propose and to validate a way of the verification whether the L TCC fabrication was conducted correctly. The work presents an application of the Design of the Experiment (DoE) methodology in such validation and discusses usefulness and drawbacks of the chosen solution. The optimized technology of via filling will be applied in the fabrication of tactile displays for blind people.
Źródło:
Metrology and Measurement Systems; 2015, 22, 1; 39-50
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation in factory optimisation
Autorzy:
Gregor, M.
Matuszek, J.
Powiązania:
https://bibliotekanauki.pl/articles/118279.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
FMS
DOE
modelling and simulation
optimisation
Opis:
Many manufacturing systems must operate under resource constraints. Simulation can help to improve the operation of such manufacturing systems. This paper presents a practical approach how to conduct a simulation project. A Flexible Manufacturing System (FMS) was chosen for the simulation. The targets for FMS improvement were given. A set of measures was proposed to meet the given targets. Design of Experiments (DoE) was used to minimise the number of simulation experiments. There were simulated and evaluated various measures and control strategies and their influence on the FMS characteristics. Rough cost analysis of each simulated variant was done. Future research targets are presented.
Źródło:
Applied Computer Science; 2005, 1, 1; 61-74
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of the Design of Experiments theory in laboratory... classes for future science teachers
Autorzy:
Nodzyńska, Małgorzata
Kopek-Putała, Wioleta
Powiązania:
https://bibliotekanauki.pl/articles/472610.pdf
Data publikacji:
2018
Wydawca:
Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:
DOE theory
Designing Chemical Experiments
laboratory
Źródło:
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Biologiae Pertinentia; 2018, VIII; 112-117
2083-7267
2450-3487
Pojawia się w:
Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Biologiae Pertinentia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation on the effect of the vibratory peening process parameters on Almen intensity
Autorzy:
Paques, Maxime
Miao, Hong Yan
Changeux, Benoit
Turenne, Sylvain
Badreddine, Jawad
Martin, Etienne
Powiązania:
https://bibliotekanauki.pl/articles/24084748.pdf
Data publikacji:
2023
Wydawca:
Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:
vibratory peening
almen intensity
DOE method
Opis:
Vibratory peening is a mechanical surface treatment process to improve both the fatigue life and smooth surface finish of metallic components in a single operation. Almen intensity is a significant parameter to relate the compressive residual stresses induced by the peening processes. In this study, the design of experiments (DOE) was used to investigate the effect of seven vibratory peening process parameters on Almen intensity. A specific vibratory peening machine, with the tub vibrating in a vertical pattern and resting on airbags, was built. Two empirical linear models were fitted. First, a screening model with primary effects showed that the media mass, airbag pressure, specimen longitudinal position, and lubrication rate have minor influence on Almen intensity. Secondly, a definitive model showed that high eccentricity, high frequency, and deep specimen immersion are required to reach high Almen intensities. The complex interactions between eccentricity, immersion depth, and frequency are described.
Źródło:
Journal of Machine Engineering; 2023, 23, 3; 98--115
1895-7595
2391-8071
Pojawia się w:
Journal of Machine Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination the effect of factors affecting the tensile strength of fabric conveyor belts
Ocena wpływu czynników na wytrzymałość na rozciąganie taśm przenośnikowych tkaninowo – gumowych
Autorzy:
Ambriško, L.
Marasová, D.
Grendel, P.
Powiązania:
https://bibliotekanauki.pl/articles/301577.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
mechanical testing
tension
conveyor belt
DOE method (Design of Experiments)
testy mechaniczne
napięcie
taśma przenośnikowa
metoda DOE
Opis:
The Design of experiment (DOE) method was used in this paper to rubber conveyor belt tension testing. Using DOE method were from experimentally obtained data established effects of factors and interactions that affect the value of the measured strength and also were determined regression models, which apply input and output variables to the relation. The regression model presents the complete multifactor experiment that contains main factors and interactions.
Metoda planowania eksperymentu (DOE) w artykule użyta do testowania napięcia taśm przenośnikowych tkaninowo – gumowych. Korzystanie z metody DOE były ustalonych poszczególnych czynników oraz ich interakcji ze danych uzyskanych w sposób doświadczalny. Czynniki i interakcje wpływające na wartość zmierzonej wytrzymałośći, a także określono modele regresji, wykazającego związki pomiędzy zmiennymi wejściowymi i wyjściowymi. Model regresyjny przedstawia kompletny wieloczynnikowy eksperyment obejmujący podstawowe zmienne oraz ich interakcje.
Źródło:
Eksploatacja i Niezawodność; 2016, 18, 1; 110-116
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of a Fuzzy Inference System for the Optimization of Material Removal Rate and Multiple Surface Roughness Characteristics in the Machining of GFRP Polyester Composites
Autorzy:
Singh, A.
Datta, S.
Mahapatra, S. S.
Powiązania:
https://bibliotekanauki.pl/articles/375921.pdf
Data publikacji:
2013
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
GFRP
DOE
Fuzzy Inference System (FIS)
Taguchi method
Opis:
This paper presents a multi-objective extended optimization methodology applied in the machining of a randomly oriented GFRP rod. Design of Experiment (DOE) has been selected based on a L9 orthogonal array design with varying process control parameters like: spindle speed, feed rate and depth of cut. Multiple surface roughness parameters of the machined FRP product along with the Material Removal Rate (MRR) of the machining process have been optimized simultaneously. The Fuzzy Inference System (FIS) has been proposed for providing feasible means for the meaningful aggregation of multiple objective unctions into an equivalent single performance index (MPCI). This Multi-Performance Characteristic Index (MPCI) has been optimized using the Taguchi method. The approach adapted here is capable of overcoming limitations/assumptions of existing optimization methodologies available in the literature.
Źródło:
Decision Making in Manufacturing and Services; 2013, 7, 1-2; 19-42
1896-8325
2300-7087
Pojawia się w:
Decision Making in Manufacturing and Services
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of Particle Size and Load on Loss of Material in Manganese-Steel Material: an Experimental Investigation
Autorzy:
Sinha, R.
Mukhopadhyay, A. K.
Powiązania:
https://bibliotekanauki.pl/articles/354746.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Mn-steel
abrasive wear
stacking fault energy
FESEM
DOE
Opis:
The present study explores the influence of variables like particle size of coal, load, speed and sliding distance on weight loss in manganese-steel (Mn-steel). The observations are made using pin-on-disc apparatus. Specimen prepared from Mn-steel used for the wear test. The size and shape of specimen is in accordance with ASTM G99 standard. From design of experiment (DOE) procedure the variables load were altered to assess the weight loss in material. It is observed that with the increase in particle size and load, the weight loss increases when other variables are constant. Mn-steel shows decrease in weight loss at higher load due to property of dipole interaction and stacking fault energy (SFE). Decrease in weight loss at higher load results in transition in wear mechanism from scratch to groove formation as observed under field emission scanning electron microscope (FESEM).
Źródło:
Archives of Metallurgy and Materials; 2018, 63, 1; 359-364
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Digital Synthesis of Sound Generated by Tibetan Bowls and Bells
Autorzy:
Gołaś, A.
Filipek, R.
Powiązania:
https://bibliotekanauki.pl/articles/177659.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
sound synthesis
coupled fields
FEM
DOE
response surface methodology
Opis:
The aim of this paper is to present methods of digitally synthesising the sound generated by vibroacoustic systems with distributed parameters. A general algorithm was developed to synthesise the sounds of selected musical instruments with an axisymmetrical shape and impact excitation, i.e., Tibetan bowls and bells. A coupled mechanical-acoustic field described by partial differential equations was discretized by using the Finite Element Method (FEM) implemented in the ANSYS package. The presented synthesis method is original due to the fact that the determination of the system response in the time domain to the pulse (impact) excitation is based on the numerical calculation of the convolution of the forcing function and impulse response of the system. This was calculated as an inverse Fourier transform of the system’s spectral transfer function. The synthesiser allows for obtaining a sound signal with the assumed, expected parameters by tuning the resonance frequencies which exist in the spectrum of the generated sound. This is accomplished, basing on the Design of Experiment (DOE) theory, by creating a meta-model which contains information on its response surfaces regarding the influence of the design parameters. The synthesis resulted in a sound pressure signal in selected points in space surrounding the instrument which is consistent with the signal generated by the actual instruments, and the results obtained can improve them.
Źródło:
Archives of Acoustics; 2016, 41, 1; 139-150
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Using a Parameter Diagram as a DoE Planning Tool
Autorzy:
Barsalou, Matthew
Wilcynska, Karolina
Saraiva, Pedro Manue
Powiązania:
https://bibliotekanauki.pl/articles/27324204.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
design of experiments
parameter-diagram
p-diagram
DoE
experiment planning
Opis:
This paper describes the p-diagram (parameter-diagram) and its application in planning a DoE (Design of Experiments). A case study describing an actual problem from industry is presented where the planning phase started to go wrong as difficulties in selecting the right variables for the DoE were discovered. Furthermore, running these experiments became prohibitively expensive, due to the large number of such experiments that would be needed, and though the exploitation of a p-diagram it was then possible to come up with a feasible DoE.
Źródło:
Management and Production Engineering Review; 2023, 14, 4; 3--9
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Challenges for the DOE methodology related to the introduction of Industry 4.0
Autorzy:
Pietraszek, Jacek
Radek, Norbert
Goroshko, Andrii V.
Powiązania:
https://bibliotekanauki.pl/articles/1839493.pdf
Data publikacji:
2020
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
DOE
industry 4.0
data-driven approaches
uncertainty
przemysł 4.0
niepewność
Opis:
The introduction of solutions conventionally called Industry 4.0 to the industry resulted in the need to make many changes in the traditional procedures of industrial data analysis based on the DOE (Design of Experiments) methodology. The increase in the number of controlled and observed factors considered, the intensity of the data stream and the size of the analyzed datasets revealed the shortcomings of the existing procedures. Modifying procedures by adapting Big Data solutions and data-driven methods is becoming an increasingly pressing need. The article presents the current methods of DOE, considers the existing problems caused by the introduction of mass automation and data integration under Industry 4.0, and indicates the most promising areas in which to look for possible problem solutions.
Źródło:
Production Engineering Archives; 2020, 26, 4; 190-194
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental studies for bearings degradation monitoring at an early stage using analysis of variance
Autorzy:
Zarour, D.
Meziani, S.
Thomas, M.
Powiązania:
https://bibliotekanauki.pl/articles/328396.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:
ANOVA
DOE
time descriptors
bearing fault
analiza wariancji
łożysko
usterka
deskryptory czasu
Opis:
This work presents a procedure for bearing degradation monitoring at an early stage. The analysis of variance (ANOVA) coupled with Tukey’s test is used to single out the suitable parameters to follow the fault size evolution ranging from 50 µm to 150µm. The Tukey's criterion is adopted in this case to study the ability of time and frequency indicators. The rotational speed, centrifugal load and fault size are considered as independent variables while the time and frequency indicators are taken as dependent variables. The experiments are performed on bearings having a fault on outer race. Based on the results of this study, the Kurtosis and Skewness show a good ability to assess the evolution of degradation in the bearings at an early stage. The paper discusses the weakness of the time and frequency indicators.
Źródło:
Diagnostyka; 2018, 19, 4; 81-87
1641-6414
2449-5220
Pojawia się w:
Diagnostyka
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Quality engineering implementation in an organization: a brief finding on QE methodology
Autorzy:
Dolah, R.
Miyagi, Z.
Tatebayashi, K.
Powiązania:
https://bibliotekanauki.pl/articles/406750.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Quality Engineering
Taguchi method
design of experiments
DOE
T-peel test
product robustness
Opis:
As many research focused on robustness methodology, this paper discuss on how to implement these methodology concept from the management perspective. Guidelines and appropriate strategies are discussed on Quality Engineering (QE) implementation in an organization and experimentation. Firstly, the experience of a company implementing QE is presented. Secondly, the practical data of a laboratory experiment is discussed in order to relate between the experimental result and requirement in industry. The QE implementation is explained on the strategies used in tackling organization problems. Optimization of peel adhesion strength test is carried out to propose the feasibility of experimental design tools. QE methodology between the practical case and company's case study is compared. Finally, through the QE implementation in organization and method applied in experimental design, a framework is proposed for QE methodology. QE implementation is presented from two sources, from a company and practical case study point of view. It helps a researcher or engineer applies the management strategy and engineering tool to ensure product robustness.
Źródło:
Management and Production Engineering Review; 2012, 3, 4; 26-34
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Joining of carbon steel AISI 1006 to aluminum alloy AA6061-T6 via friction spot joining technique
Autorzy:
Ridha, Munaf Hashim
Saad, Mursal Luaibi
Abdullah, Isam Tareq
Barrak, Osamah Sabah
Hussein, Sabah Khammass
Hussein, Abbas Khammas
Powiązania:
https://bibliotekanauki.pl/articles/27312396.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
stal węglowa
tarcie
aluminium
friction spot
joining
AA6061
carbon steel AISI 1006
DOE
Opis:
This work aims to join sheets of carbon steel to aluminum alloy AA6061. A lap joint arrangement was used with a joint lap area of dimensions *25 25 mm . The joining procedure was carried out using a rotating tool of 10 mm shoulder diameter. Three process parameters, with three levels for each parameter, were selected to investigate their effects on joints quality. The parameter’s levels for each experiment were designed using the design of the experiment method (DOE). The results indicated that the two materials were joined by a mechanical interlock at an interface line, without formation of intermetallic compounds. The shear force of the joint reached an ultimate value of .4 82kN . The shear force of the joint improved by increasing plunging depth of the tool. Samples of minimum shear force value failed by a pull-outing aluminum metal from the carbon steel specimen. Samples of higher shear force value exhibited a shear mode of fracture. Increasing the rotating speed and decreasing pre-heating increased the process temperature.
Źródło:
International Journal of Applied Mechanics and Engineering; 2022, 27, 4; 1--12
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Optymalizacja procesu otrzymywania nanosfer proleku polilaktydu z chlorofenezyną
Optimization of preparation of prodrug nanospheres of polylactide with ehlorphenesin
Autorzy:
Sebai, A.
Gadomska-Gajadhur, A.
Ruśkowski, P.
Powiązania:
https://bibliotekanauki.pl/articles/2073198.pdf
Data publikacji:
2016
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
polilaktyd
chlorofenezyna
nanosfery
kontrolowane uwalnianie leków
polylactide
chlorphenesin
DOE
nanospheres
drug delivery system (DDS)
Opis:
Przedstawiono wyniki badań doświadczalnych procesu otrzymywania nanosfer polilaktydowych zawierających chlorofenezynę, otrzymywanych metodą emulsyjną z odparowaniem rozpuszczalnika. Cząstki te mogłyby być wykorzystywane jako przeciwgrzybicze systemy leków o kontrolowanym czasie uwalniania. Stosując metodę planowania doświadczeń uzyskano równanie regresji opisujące wpływ wybranych parametrów procesu na rozmiar sfer. Określono warunki otrzymywania cząstek o rozmiarze poniżej 100 nm.
Research results dealing with the preparation of polylactide nanospheres containing ehlorphenesin are presented. Polylactide nanospheres were prepared by the emulsification method with solvent evaporation. These particles could be used commercially as the antifungal drug delivery system. An influence of selected process parameters on the spheres’ size was determined. The regression equation was predicted using the mathematical method of experiment design (DOE). The particles of size smaller than 100 nm were obtained.
Źródło:
Inżynieria i Aparatura Chemiczna; 2016, 5; 201--202
0368-0827
Pojawia się w:
Inżynieria i Aparatura Chemiczna
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 24

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