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Prof. Andrzej PACANA
Rzeszow University of Technology, Faculty of Mechanical Engineering and Aeronautics, Rzeszow, Poland

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0 Mechanical Engineering
0 Production Engineering
0 quality
0 Standardized Management Systems (ISO)

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Journal article
Published: 13 August 2021 in Sustainability
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Dynamic changes in customers’ expectations and unfavorable climate changes have generated the need to consider such aspects in the process of creating new products and the modernization of existing products. Simultaneously including customers’ expectations and environmental impact is a key element of the sustainable development of products. Enterprises attempt, within their awareness and possibilities, to apply the idea of sustainability; they do this more or less methodically. As such, an instrument to support decision-making in the area of product development is still needed because it would both be desirable for customers and have less of a negative effect on the natural environment. The purpose of this study was to develop a model that supports decision-making in the development of products while considering sustainability. The model determines the key criteria of the product, criteria states (current and future), and their positive correlations (e.g., achieving high levels of product quality and no (or a reduction in) destructive impact on the environment). To reduce the fuzzy decision-making environment, multiplicative decision methods with the fuzzy Saaty scale were implemented. These methods were the fuzzy analytic hierarchy process (FAHP) and the fuzzy technique for order of preference by similarity to ideal solution (FTOPSIS). The model is able to support qualitative–environment decisions in the development of any product.

ACS Style

Dominika Siwiec; Andrzej Pacana. Model Supporting Development Decisions by Considering Qualitative–Environmental Aspects. Sustainability 2021, 13, 9067 .

AMA Style

Dominika Siwiec, Andrzej Pacana. Model Supporting Development Decisions by Considering Qualitative–Environmental Aspects. Sustainability. 2021; 13 (16):9067.

Chicago/Turabian Style

Dominika Siwiec; Andrzej Pacana. 2021. "Model Supporting Development Decisions by Considering Qualitative–Environmental Aspects." Sustainability 13, no. 16: 9067.

Journal article
Published: 27 July 2021 in Sustainability
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Crushing is one of the most energy-consuming technological processes. The purpose of grinding is to achieve the desired grain size of mineral raw materials. The process of grinding consists of many factors, for example, the size and form of crushed grains, as well as their mutual arrangement inside the crushing machine chamber, the technological parameters of the crusher, the material properties, and the speed of the moving grains. One of the key parameters of the aggregate is its resistance to grinding. Resistance to grinding is related to the strength of the products made from aggregates subjected to grinding, which affects the overall quality of these products. Therefore, the aim of this study is to analyze the impact of the crushing of natural aggregate on the LA crumbling strength index. Two types of aggregates were analyzed—natural gravel and natural pebbles crushed in a crusher. Aggregates were acquired from two mines belonging to the plant Kruszgeo S.A. in Rzeszów, i.e., ZEK (Zakład Eksploatacji Kruszywa) Ostrów and ZEK Strzegocice II. The aggregate crushing process was carried out for 4–8 mm and 10–14 mm fractions using cone crushers of the 1044 type. Aggregate crushing was carried out in a Los Angeles drum, in accordance with the requirements of EN 1097-2:2020. The analysis showed that for grits of the 10–14 mm fraction, the lower values of the LA indices were obtained, which allows for obtaining a bigger index of crushing strength than in the case of crushing using the 4–8 mm fraction. This analysis showed how important the process of grinding aggregates is and, thus, the appropriate selection of fractions for the grit crushing process for the aggregate strength on grinding. Subjecting the aggregate to the grinding process results in an improvement in the crushing strength indicator, thus obtaining better strength parameters of the products manufactured from the aggregates subjected to the process of crushing (for example, concrete). The originality of the study is an analysis of key Polish aggregates and the crushing strength index.

ACS Style

Andrzej Pacana; Dominika Siwiec; Lucia Bednarova; Marian Sofranko; Olga Vegsoova; Martin Cvoliga. Influence of Natural Aggregate Crushing Process on Crushing Strength Index. Sustainability 2021, 13, 8353 .

AMA Style

Andrzej Pacana, Dominika Siwiec, Lucia Bednarova, Marian Sofranko, Olga Vegsoova, Martin Cvoliga. Influence of Natural Aggregate Crushing Process on Crushing Strength Index. Sustainability. 2021; 13 (15):8353.

Chicago/Turabian Style

Andrzej Pacana; Dominika Siwiec; Lucia Bednarova; Marian Sofranko; Olga Vegsoova; Martin Cvoliga. 2021. "Influence of Natural Aggregate Crushing Process on Crushing Strength Index." Sustainability 13, no. 15: 8353.

Journal article
Published: 16 May 2021 in Sustainability
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The main factor that conditions the success of organizations is the development of products oriented toward customer satisfaction. An additional attribute of organizations is the use of sustainable development rules. The use of these rules and the simultaneous desire to create high-quality products encourage organizations to apply different methods to, for example, eliminate waste. This study aimed to develop a method to determine the research sample size required to predict a product’s quality level, taking into account current customers’ expectations. This method was developed by modifying a procedure to determine the research sample size as part of the calculated estimator of the mean value in the general population. Based on the concept of product sustainability development, the goal of the developed method was to determine the number of potential customers (respondents) needed to provide product requirements, which were then processed and used to predict the quality level of the product. This method was applied to simultaneously test a number of hypotheses, determine the test power, and detect statistically significant differences for several relationships of the sample sizes and the test power. This was achieved using universal hypotheses and the popular alternative-punctual (MAP) method. Testing of the proposed method showed that it was able to predict the quality level of products based on current expectations of customers.

ACS Style

Dominika Siwiec; Andrzej Pacana. A Pro-Environmental Method of Sample Size Determination to Predict the Quality Level of Products Considering Current Customers’ Expectations. Sustainability 2021, 13, 5542 .

AMA Style

Dominika Siwiec, Andrzej Pacana. A Pro-Environmental Method of Sample Size Determination to Predict the Quality Level of Products Considering Current Customers’ Expectations. Sustainability. 2021; 13 (10):5542.

Chicago/Turabian Style

Dominika Siwiec; Andrzej Pacana. 2021. "A Pro-Environmental Method of Sample Size Determination to Predict the Quality Level of Products Considering Current Customers’ Expectations." Sustainability 13, no. 10: 5542.

Journal article
Published: 01 May 2021 in System Safety: Human - Technical Facility - Environment
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The aim of the study was to indicate the reasons for non-compliance of aluminium rim castings and, using quality management instruments (Pareto-Lorenzo diagram and 5WHy method?), elimination or reduction of non-compliant products. The object of the research was an aluminium rim, while the diagnostic process of the object of the research was based on the quality control of the chemical composition of the casting, the control of mechanical properties and the control of the continuity of the material structure by radiographic and microscopic methods. On the basis of the research carried out, it was found that a sensitive casting area is the front edge of the rim rim - a significant number of porosity clusters were identified in this area. The reason for their occurrence was also specified - too rapid flooding of moulds, which resulted in gassing of the alloy. The identified cause had its origins in human resources mismanagement, namely the lack of training of the newly recruited employee. So far, the company has not carried out analyses of quality problems with the use of a sequential quality management methodology, so the implemented corrective actions have not always led to the full achievement of quality objectives. The presented sequential method, which is a combination of diagnostic and control tests and quality management instruments, is a universal way to monitor the level of quality of products and to quickly correct nonconformities.

ACS Style

Czerwińska Karolina; Undefined Andrzej. Improving the Manufacturing Process of Aluminium Rims. System Safety: Human - Technical Facility - Environment 2021, 3, 38 -46.

AMA Style

Czerwińska Karolina, Undefined Andrzej. Improving the Manufacturing Process of Aluminium Rims. System Safety: Human - Technical Facility - Environment. 2021; 3 (1):38-46.

Chicago/Turabian Style

Czerwińska Karolina; Undefined Andrzej. 2021. "Improving the Manufacturing Process of Aluminium Rims." System Safety: Human - Technical Facility - Environment 3, no. 1: 38-46.

Journal article
Published: 01 May 2021 in System Safety: Human - Technical Facility - Environment
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In the paper there are analyzed the procedures used in the process of calibrating concerning control and measurement equipment. There was assumed the mathematical model of the measuring instrument which was then analyzed. The factors that result from the imperfect technical condition of the control and measurement equipment and may have an impact on the measurement results were also analyzed. Models of errors’ models were assumed that may affect the calibration results. The static calibration of control and measurement equipment was analyzed. The results of numerical simulations concerning the static calibration of control and measurement equipment were presented, taking into account the linear and non-linear processing functions of the measurement equipment. The results of computations obtained for various models of processing functions were compared with each other and conclusions were drawn regarding the accuracy of the mapping of the measured quantity.

ACS Style

Małgorzata Kawalec; Czerwińska Karolina; Undefined Pacana. Influence of Technical Condition of Control and Measurement Equipment on Calibration Results. System Safety: Human - Technical Facility - Environment 2021, 3, 79 -88.

AMA Style

Małgorzata Kawalec, Czerwińska Karolina, Undefined Pacana. Influence of Technical Condition of Control and Measurement Equipment on Calibration Results. System Safety: Human - Technical Facility - Environment. 2021; 3 (1):79-88.

Chicago/Turabian Style

Małgorzata Kawalec; Czerwińska Karolina; Undefined Pacana. 2021. "Influence of Technical Condition of Control and Measurement Equipment on Calibration Results." System Safety: Human - Technical Facility - Environment 3, no. 1: 79-88.

Journal article
Published: 01 May 2021 in System Safety: Human - Technical Facility - Environment
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An occupational risk assessment is one of the main processes to assure a safe and healthy workplace. It was shown, that this process is particularly important in the cause of industrial enterprises, in which the number of accidents is the largest. In these enterprises, one of the most often practiced methods is the PN-N-18002 method. However, it was concluded this method has some limitations. They concern the way of assessing the risks in the traditional number scale, which is less precise than the fuzzy triangular number (using in FAHP). Therefore, the aim is to improve the process of assessment in industrial enterprises by integrated the PN-N-18002 method with the FAHP method (Fuzzy Analytic Hierarchy Process). The test of the proposed method was made for three machine operator positions used to aggregate extraction in one of the Podkarpacie enterprises. These positions were: loader operator (Ł-34), digger operator (CAT 323), dredge operator (300/250 KREBS 10/8). The concept of the method was to identify in a precise way what is the greatest extent danger to the operators of these workplaces. It was shown, that it is the work at height. It was concluded, that this method can be practice to risk assessment of other workplaces, among others from industrial enterprises. The originality is the integrated risk assessment method (PN-N-18002) with the fuzzy multicriteria decision method (FAHP) as part of achieving the precise results of risk assessment.

ACS Style

Dominika Siwiec; Artur Woźny; Andrzej Pacana. An Improving the Occupational Risk Assessment in Industrial Enterprises. System Safety: Human - Technical Facility - Environment 2021, 3, 260 -267.

AMA Style

Dominika Siwiec, Artur Woźny, Andrzej Pacana. An Improving the Occupational Risk Assessment in Industrial Enterprises. System Safety: Human - Technical Facility - Environment. 2021; 3 (1):260-267.

Chicago/Turabian Style

Dominika Siwiec; Artur Woźny; Andrzej Pacana. 2021. "An Improving the Occupational Risk Assessment in Industrial Enterprises." System Safety: Human - Technical Facility - Environment 3, no. 1: 260-267.

Journal article
Published: 01 May 2021 in System Safety: Human - Technical Facility - Environment
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The aim of the study was to implement an integrally configured method of quality control of frictional welding of piston forgings intended for Diesel Man trucks. The use of the method (consisting of the 5W2H method, the Ishikawa diagram and the ABCD - Suzuki method) would contribute to the detection of the causes of non-compliance and consequently to the elimination of non-compliant products. Steel pistons have become the subject of research due to significant problems with maintaining their expected level of quality after the introduced structural and technological changes. The proposed method has helped to identify the root cause of non-compliance. It was: incorrect design of the combustion chamber in terms of diameter and depth. The study shows that it is advisable to use an integrated approach to finding the causes of quality problems on the example of the friction welding process. This was a new solution for the company, as no in-depth analyses of quality problems using a sequence of quality management techniques have been carried out so far.

ACS Style

Andrzej Pacana; Karolina Czerwińska. Improving the Quality of the Friction Welding Process of Steel Components. System Safety: Human - Technical Facility - Environment 2021, 3, 47 -54.

AMA Style

Andrzej Pacana, Karolina Czerwińska. Improving the Quality of the Friction Welding Process of Steel Components. System Safety: Human - Technical Facility - Environment. 2021; 3 (1):47-54.

Chicago/Turabian Style

Andrzej Pacana; Karolina Czerwińska. 2021. "Improving the Quality of the Friction Welding Process of Steel Components." System Safety: Human - Technical Facility - Environment 3, no. 1: 47-54.

Journal article
Published: 22 April 2021 in Energies
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Rational decision-making requires assessing the advantages and disadvantages of options, including nonmarket effects (such as environmental effects). This also applies to strategic decision-making in the industrial sector to select alternative renewable energy source (RES). Often, a variety of criteria can be used to select a renewable energy source, whereas no ideal family of criteria for renewable energy selection for industry has been defined in the literature. It was concluded that there is a need to support the actions of industrial development based on RES, which will contribute significantly to overcoming the limitations of the negative effect on the environment in terms of greenhouse gas emissions. There is a clear need for a systematic and polyvalent multicriteria approach to planning in industry. Therefore, a method for choosing the preferred renewable source of electricity for industry has been developed, which considers key criteria of RES choice: Expert opinions, the costs of obtaining the energy and maintaining energy installations, and the volume of electricity from RES. This article offers a modified multicriteria selection method based on a fuzzy analytic hierarchy process (fuzzy AHP) and the technique for preference by similarity to an ideal solution (TOPSIS), integrated with a qualitative price analysis (ACJ). This new method was tested through a case study on selecting a preferred RES in Polish industrial conditions. The research results indicate that the proposed method of choosing the preferred renewable energy source can be used in industrial enterprises that strive to meet their energy needs in accordance with the principles of social responsibility.

ACS Style

Robert Ulewicz; Dominika Siwiec; Andrzej Pacana; Magdalena Tutak; Jarosław Brodny. Multi-Criteria Method for the Selection of Renewable Energy Sources in the Polish Industrial Sector. Energies 2021, 14, 2386 .

AMA Style

Robert Ulewicz, Dominika Siwiec, Andrzej Pacana, Magdalena Tutak, Jarosław Brodny. Multi-Criteria Method for the Selection of Renewable Energy Sources in the Polish Industrial Sector. Energies. 2021; 14 (9):2386.

Chicago/Turabian Style

Robert Ulewicz; Dominika Siwiec; Andrzej Pacana; Magdalena Tutak; Jarosław Brodny. 2021. "Multi-Criteria Method for the Selection of Renewable Energy Sources in the Polish Industrial Sector." Energies 14, no. 9: 2386.

Case report
Published: 21 July 2020 in Sustainability
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To conduct, in an effective way, the non-destructive testing (NDT) of products—in particular, the fluorescent penetrant inspection (FPI)—remains a challenge. Therefore, the aim of this work is to propose the method of support in the choice of a fluorescent penetrant to be used in FPI research. In the results of the usage of the proposed procedure, it is demonstrated that it is possible to reduce the negative impacts on the environment by FPI processes (through sustainability), while including other criteria, i.e., financial, security, productive (Industry 4.0), and societal (Society 5.0) criteria. The essence of the proposed method is to integrate two methods of decision support. These were the analytic hierarchy process (AHP) method and the cost–quality analysis (AKJ). Using the AHP method, the quality level of fluorescent penetrant (to the satisfaction of the customer)—which included the sustainability criteria—are calculated. These criteria include natural environment, reactivity, combustibility, level of sensitivity, and type of washing (emulsification). Then, with the help of the AKJ, the most favorable penetrant—in terms of quality and cost—is calculated and, thus, indicated. This choice must include the concept of sustainable development. Therefore, this method can be used to choose fluorescent penetrants in manufacturing and service enterprises which carry out FPI.

ACS Style

Andrzej Pacana; Dominika Siwiec; Lucia Bednárová. Method of Choice: A Fluorescent Penetrant Taking into Account Sustainability Criteria. Sustainability 2020, 12, 5854 .

AMA Style

Andrzej Pacana, Dominika Siwiec, Lucia Bednárová. Method of Choice: A Fluorescent Penetrant Taking into Account Sustainability Criteria. Sustainability. 2020; 12 (14):5854.

Chicago/Turabian Style

Andrzej Pacana; Dominika Siwiec; Lucia Bednárová. 2020. "Method of Choice: A Fluorescent Penetrant Taking into Account Sustainability Criteria." Sustainability 12, no. 14: 5854.

Journal article
Published: 01 March 2020 in System Safety: Human - Technical Facility - Environment
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The analysis of product quality is an indispensable action in developing enterprises. In case of mechanical products, the non-destructive tests (NDT) are effective way to make control. Non-destructive tests allow making assessing product quality without destroying it. Due to the dynamically growing requirements of customers and necessary, the improvement actions for demanding organizations important is to make a complex analysis of quality products. Such an action was proposed to a production and service company located in Podkarpacie region of Poland. The aim was to analyze the quality of the mechanical lever and improvement the process of non-destructive tests, in order to identify the source of nonconformity with using quality management techniques. These activities were to demonstrate that the sequence (NDT and selected quality management techniques) would allow the detection of unconformities on the product surface and also identify the source of this unconformity. In the enterprise, the quality research of the product using fluorescent and magnetic-powder methods was made. After identified the unconformity on the product the additional actions which could point the source of unconformity were not practicing. The proposition of improvement in the NTD was use appropriately selected quality management techniques (Ishikawa diagram and 5Why method) after identified the unconformity. The mechanical lever was tested, which its surface using the magnetic-powder method was analyzed. After identified unconformity (scratch) using the Ishikawa diagram, the potential causes were identified and four main causes were selected (i.e.: uncleaned pattern, impurities during production, poor molding mass, poorly carried out product production method). It has been shown that sequence of NDT, Ishikawa diagram and 5Why method allows to identify the unconformity on product surface and source its creation. This sequence could be practicing to analyze other product in production and services enterprises.

ACS Style

Dominika Siwiec; Andrzej Pacana; Renata Dwornicka. Quality Analysis of the Mechanical Lever and Improvement of Non-Destructive Testing Process. System Safety: Human - Technical Facility - Environment 2020, 2, 299 -306.

AMA Style

Dominika Siwiec, Andrzej Pacana, Renata Dwornicka. Quality Analysis of the Mechanical Lever and Improvement of Non-Destructive Testing Process. System Safety: Human - Technical Facility - Environment. 2020; 2 (1):299-306.

Chicago/Turabian Style

Dominika Siwiec; Andrzej Pacana; Renata Dwornicka. 2020. "Quality Analysis of the Mechanical Lever and Improvement of Non-Destructive Testing Process." System Safety: Human - Technical Facility - Environment 2, no. 1: 299-306.

Journal article
Published: 01 March 2020 in Management Systems in Production Engineering
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The publication analyses the way of managing and improving the quality of the production process of aluminum pistons for internal combustion engines. The aim of the article is to propose a method of analysis of the effectiveness of individual control methods used in the process of controlling the aluminium piston. Thanks to the location of a control point with the highest share of product non-compliance detection in the production process, it is possible to reduce quality control points by less effective points, which will contribute to lower costs or shorten the time of production processes. In view of the increasing demands on the efficiency of the checkpoints for components in internal combustion engines, the issue is important and topical.

ACS Style

Grzegorz Ostasz; Karolina Czerwińska; Andrzej Pacana. Quality Management of Aluminum Pistons with the Use of Quality Control Points. Management Systems in Production Engineering 2020, 28, 29 -33.

AMA Style

Grzegorz Ostasz, Karolina Czerwińska, Andrzej Pacana. Quality Management of Aluminum Pistons with the Use of Quality Control Points. Management Systems in Production Engineering. 2020; 28 (1):29-33.

Chicago/Turabian Style

Grzegorz Ostasz; Karolina Czerwińska; Andrzej Pacana. 2020. "Quality Management of Aluminum Pistons with the Use of Quality Control Points." Management Systems in Production Engineering 28, no. 1: 29-33.

Journal article
Published: 01 March 2020 in System Safety: Human - Technical Facility - Environment
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Faced with ever-increasing customer demands and global competition, companies are forced to look for production reserves, increase efficiency and productivity. Hence, the need to monitor the use of the machine park has arisen, making it possible to identify waste and production reserves in the implemented technological processes. The aim of the article is to evaluate the effectiveness of the production line of internal frame doors and to analyze the correctness of the use of selected key indicators of the production process effectiveness. This article proposes a response to the problems formulated in manufacturing companies, including practical aspects of the use of specific measures to assess the effectiveness of the use of technical infrastructure. The solutions presented in the article can be used in practice for improvements in production units.

ACS Style

Czerwińska Karolina; Andrzej Pacana; Renata Dwornicka. Improvement Of The Production Process With The Use Of Selected Kpis. System Safety: Human - Technical Facility - Environment 2020, 2, 307 -315.

AMA Style

Czerwińska Karolina, Andrzej Pacana, Renata Dwornicka. Improvement Of The Production Process With The Use Of Selected Kpis. System Safety: Human - Technical Facility - Environment. 2020; 2 (1):307-315.

Chicago/Turabian Style

Czerwińska Karolina; Andrzej Pacana; Renata Dwornicka. 2020. "Improvement Of The Production Process With The Use Of Selected Kpis." System Safety: Human - Technical Facility - Environment 2, no. 1: 307-315.

Journal article
Published: 01 June 2019 in Polish Journal of Management Studies
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ACS Style

Emília Duľová Spišáková; Barbora Gontkovičová; Janka Majerníková; Emil Spišák; Andrzej Pacana. Management of Research and Development Activities in the Context of Strategy Europe 2020. Polish Journal of Management Studies 2019, 19, 112 -123.

AMA Style

Emília Duľová Spišáková, Barbora Gontkovičová, Janka Majerníková, Emil Spišák, Andrzej Pacana. Management of Research and Development Activities in the Context of Strategy Europe 2020. Polish Journal of Management Studies. 2019; 19 (2):112-123.

Chicago/Turabian Style

Emília Duľová Spišáková; Barbora Gontkovičová; Janka Majerníková; Emil Spišák; Andrzej Pacana. 2019. "Management of Research and Development Activities in the Context of Strategy Europe 2020." Polish Journal of Management Studies 19, no. 2: 112-123.

Journal article
Published: 01 March 2019 in Polimery
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ACS Style

Jacek Pacana; Rafal Oliwa. Use of rapid prototyping technology in complex plastic structures. Part II. Impact of operating conditions on functional properties of polymer harmonic drives. Polimery 2019, 64, 216 -223.

AMA Style

Jacek Pacana, Rafal Oliwa. Use of rapid prototyping technology in complex plastic structures. Part II. Impact of operating conditions on functional properties of polymer harmonic drives. Polimery. 2019; 64 (3):216-223.

Chicago/Turabian Style

Jacek Pacana; Rafal Oliwa. 2019. "Use of rapid prototyping technology in complex plastic structures. Part II. Impact of operating conditions on functional properties of polymer harmonic drives." Polimery 64, no. 3: 216-223.

Journal article
Published: 05 January 2019 in PRZEMYSŁ CHEMICZNY
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Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informuj

ACS Style

Andrzej Pacana. Wybrane metody zarządzania jakością stosowane do oceny druku etykiet. PRZEMYSŁ CHEMICZNY 2019, 1, 112 -114.

AMA Style

Andrzej Pacana. Wybrane metody zarządzania jakością stosowane do oceny druku etykiet. PRZEMYSŁ CHEMICZNY. 2019; 1 (1):112-114.

Chicago/Turabian Style

Andrzej Pacana. 2019. "Wybrane metody zarządzania jakością stosowane do oceny druku etykiet." PRZEMYSŁ CHEMICZNY 1, no. 1: 112-114.

Conference paper
Published: 01 January 2019 in METAL 2019 Conference Proeedings
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ACS Style

Andrzej Pacana; Karolina Czerwińska; Renata Dwornicka. Analysis of Non-Compliance for the Cast of the Industrial Robot Basis. METAL 2019 Conference Proeedings 2019, 1 .

AMA Style

Andrzej Pacana, Karolina Czerwińska, Renata Dwornicka. Analysis of Non-Compliance for the Cast of the Industrial Robot Basis. METAL 2019 Conference Proeedings. 2019; ():1.

Chicago/Turabian Style

Andrzej Pacana; Karolina Czerwińska; Renata Dwornicka. 2019. "Analysis of Non-Compliance for the Cast of the Industrial Robot Basis." METAL 2019 Conference Proeedings , no. : 1.

Journal article
Published: 01 January 2019 in Polimery
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ACS Style

Jacek Pacana; Rafal Oliwa. Use of rapid prototyping technology in complex plastic structures. Part I. Bench testing and numerical calculations of deformations in harmonic drive made from ABS copolymer. Polimery 2019, 64, 56 -62.

AMA Style

Jacek Pacana, Rafal Oliwa. Use of rapid prototyping technology in complex plastic structures. Part I. Bench testing and numerical calculations of deformations in harmonic drive made from ABS copolymer. Polimery. 2019; 64 (1):56-62.

Chicago/Turabian Style

Jacek Pacana; Rafal Oliwa. 2019. "Use of rapid prototyping technology in complex plastic structures. Part I. Bench testing and numerical calculations of deformations in harmonic drive made from ABS copolymer." Polimery 64, no. 1: 56-62.

Journal article
Published: 24 October 2018 in Progress in Rubber, Plastics and Recycling Technology
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In terms of design and material composition, cars are the large set of diverse materials and raw materials. The relative proportion of materials varies along with the development and innovation of new types of cars. The most represented material is metal. On average, outdated cars feature about 8% of plastic and approximately 4% of rubber products. The problem is the further use of these recycled materials. The research has found new areas for the use of tires, waste foam and interior materials—noise reduction. The authors have designed and tested several variations of acoustic absorption materials. Of the tested materials, the best parameters were shown by “ecofoam”—almost across the entire frequency range (100–5000 Hz).

ACS Style

Ervin Lumnitzer; Beata Hricová; Lucia Bednárová; Andrzej Pacana. Development of materials obtained from recycled cars and their subsequent use in noise reduction. Progress in Rubber, Plastics and Recycling Technology 2018, 34, 221 -229.

AMA Style

Ervin Lumnitzer, Beata Hricová, Lucia Bednárová, Andrzej Pacana. Development of materials obtained from recycled cars and their subsequent use in noise reduction. Progress in Rubber, Plastics and Recycling Technology. 2018; 34 (4):221-229.

Chicago/Turabian Style

Ervin Lumnitzer; Beata Hricová; Lucia Bednárová; Andrzej Pacana. 2018. "Development of materials obtained from recycled cars and their subsequent use in noise reduction." Progress in Rubber, Plastics and Recycling Technology 34, no. 4: 221-229.

Journal article
Published: 01 September 2018 in Tehnicki vjesnik - Technical Gazette
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ACS Style

Katarzyna Antosz; Andrzej Pacana. Comparative Analysis of the Implementation of the SMED Method on Selected Production Stands. Tehnicki vjesnik - Technical Gazette 2018, 25, 276 -282.

AMA Style

Katarzyna Antosz, Andrzej Pacana. Comparative Analysis of the Implementation of the SMED Method on Selected Production Stands. Tehnicki vjesnik - Technical Gazette. 2018; 25 (Supplement):276-282.

Chicago/Turabian Style

Katarzyna Antosz; Andrzej Pacana. 2018. "Comparative Analysis of the Implementation of the SMED Method on Selected Production Stands." Tehnicki vjesnik - Technical Gazette 25, no. Supplement: 276-282.

Conference paper
Published: 31 July 2018 in MATEC Web of Conferences
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The results of roller burnishing parameters analysis with selfacting feed are presented in this paper. Method of parameter process design based on the quality losses G. Taguchi function was applied. The following controlled parameters were assumed: Ra - roughness parameter before roller burnishing process, w - interference between a roller and a burnished sample. k - multiplication factor of each sample point deformation, V - burnishing velocity. The following factors were assumed as process disturbances: treated material hardness and lubrication of burnished surface. Basing on experimental results it was found that strongest influence (in tested range of parameters variations) on roller burnished surface roughness has initial surface roughness and burnishing velocity. These factors also showed have the smallest resistance to process disturbances.

ACS Style

Andrzej Pacana. Application of function of quality losses G. Taguchi for study of roller burnishing parameters. MATEC Web of Conferences 2018, 183, 03007 .

AMA Style

Andrzej Pacana. Application of function of quality losses G. Taguchi for study of roller burnishing parameters. MATEC Web of Conferences. 2018; 183 ():03007.

Chicago/Turabian Style

Andrzej Pacana. 2018. "Application of function of quality losses G. Taguchi for study of roller burnishing parameters." MATEC Web of Conferences 183, no. : 03007.