Wyniki wyszukiwania - BazTech

1

Lean management jako metoda wspierająca realizację strategii ESG przedsiębiorstw z branży chemicznej na przykładzie Grupy CIECH

Korkosz-Gębska Jolanta, Gębski Jarosław, Popławski Łukasz

Przemysł Chemiczny

|

2024

|

T. 103, nr 1

149--152

PL

Przedstawiono wyniki zastosowania metody lean management w realizacji strategii ESG wybranego przedsiębiorstwa z branży chemicznej, będącej jedną z fundamentalnych dla całego przemysłu, która z uwagi na swoją specyfikę musi sprostać niełatwym wyzwaniom związanym z trwającą transformacją ekologiczną. Jednymi z nich są wskaźniki ESG (environmental, social, governance), dotyczące czynników, na podstawie których tworzone są różnorodne rankingi i oceny pozafinansowe przedsiębiorstw, jak również nowe regulacje prawne, np. unijna dyrektywa w sprawie sprawozdawczości w zakresie zrównoważonego rozwoju CSRD (corporate sustainability reporting directive). W pracy skupiono się na dziale zakupów, pełniącym funkcję wsparcia, lecz warto podkreślić, że w analizowanym przedsiębiorstwie narzędzia lean są wykorzystywane w wielu działach w ramach dążenia do doskonałości operacyjnej.

EN

The lean management concept was used in the process of purchasing materials necessary to maintain operations at the selected plant. Using the VSM (value stream mapping) tool, the current purchasing process was mapped, the cost of the single order fulfillment process was estimated and compared with the target model of the ordering process from the need to the dispatch of the order using the Punch-Out catalog.

2

Comparative Analysis of the Production Process of a Flange-Type Product by the Hybrid and Traditional Method with the Use of Simulation Methods

Terelak-Tymczyna Agnieszka, Bachtiak-Radka Emilia, Jardzioch Andrzej

Advances in Science and Technology. Research Journal

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2022

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Vol. 16, no 1

231--242

EN

In the era of Industry 4.0, the digitization of production processes is one of the important elements contributing to the reduction of uncertainty related to the implementation of new production methods. The worldwide epidemic situation and its constraints have resulted in supply chain continuity problems. These problems make enterprises look for the possibility of producing products that they need at the moment and which they cannot obtain from the market. In special cases, this may also apply to spare parts necessary to maintain the continuity of production. The main reason for research on comparing production processes is meeting the challenges related to the pandemic situation and problems in maintaining timeliness, flexibility, and continuity of the supply chain. The first stage of the research was to visualize the course of the process and determine the lead times for both production methods. For further analysis, a digital process model was used to compare the hybrid and the classical method to check the viability of the interchangeability of methods for the production process of the flange part. The interchangeability of production methods was dictated by problems related to the supply of components for the execution of orders. The article simulates the model for unit and small-lot production in batches of 10 and 100 pieces, considering such aspects as: order completion time, energy consumption of the process, production costs, taking into account the classic and hybrid methods. The conducted research was aimed at determining the profitability of the production of flange-type products by means of classical processing and hybrid and checking the interchangeability of production methods in accordance with quality requirements as well as reducing uncertainty with the implementation of new production systems in changing market conditions. The simulations show that the use of hybrid production is recommended for unit production. In the case of small-lot production, already with 10 items, production in the traditional process is 21% cheaper, and for the production of 100 items, the cost of traditional production is reduced by 33% compared to hybrid production.

3

Improvement of the production process of an air handling unit based on value stream mapping

Masternak-Janus Aneta, Moćko Marta

Quality Production Improvement - QPI

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2021

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Vol. 3, Iss. 1

96--103

EN

Value Stream Mapping (VSM) is a visual Lean Manufacturing tool for graphically illustrating material and information flows in processes, on production lines, and even across a factory. It makes it possible to identify activities that do not generate added value, and thereby creates opportunities for improvement by reducing or completely eliminating waste. This paper explores a real-work case study of the production process for an air handling unit. Thus, after analysing the activities undertaken in an enterprise operating in the HVAC (Heating Ventillation Air Conditioning) industry, a current state map was drawn that shows the actual flow of the value stream. Then, a future state map was developed with suggestions for eliminating the root causes of waste and those for improving processes. The proposed improvements allow for shorter lead time and faster order processing, which may increase competitiveness.

4

Analysis and improvement of business processes management - based on value stream mapping (VSM) in manufacturing companies

Klimecka-Tatar Dorota

Polish Journal of Management Studies

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2021

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Vol. 23, No. 2

213--231

EN

Business process management is a very important factor in assessing the effectiveness of production systems (entire enterprises or departments). And while the planning and management of business processes is mastered, it is difficult to create relationships between coexisting processes within one production system. Usually, business process management refers to extracted (isolated) processes, in this case relationships between different processes were looked for. This paper is devoted to the assessment and analysis of the interaction of business processes related to the implementation of one engineering project. The paper presents the results of research carried out in relation to four coexisting business processes in a manufacturing company - with assumption that the four analyzed business processes are located within one project. Business processes were defined on the basis of areas determined in the Big Picture analysis (in Value Stream Mapping analysis). As indicators of the impact of business process elements, the correlation coefficient was taken into account, the value of which determined the impact (or lack of impact) between the components of the various business processes. It has been noticed that the attributes from process 1 (Launching the project implementation) and process 2 (Scheduling and project management) show a very strong and strong correlation with the attributes in other processes 3 (Management and supply of materials) and 4 (Production and distribution). On the basis of the presented results, the critical points of the information / decision flow between the coexisting business processes have been indicated.

PL

Zarządzanie procesami biznesowymi jest bardzo ważnym czynnikiem w ocenie efektywności systemów produkcyjnych (całych przedsiębiorstw lub działów). I o ile planowanie i zarządzanie procesami biznesowymi jest opanowane, trudno jest tworzyć relacje między współistniejącymi procesami w ramach jednego systemu produkcyjnego. Zazwyczaj zarządzanie procesami biznesowymi odnosi się do wyodrębnionych (wyizolowanych) procesów, w tym przypadku poszukiwano relacji pomiędzy różnymi procesami. Artykuł poświęcony jest ocenie i analizie interakcji procesów biznesowych związanych z realizacją jednego projektu inżynierskiego. W artykule przedstawiono wyniki badań przeprowadzonych w odniesieniu do czterech współistniejących procesów biznesowych w przedsiębiorstwie produkcyjnym - przy założeniu, że cztery analizowane procesy biznesowe są ulokowane w ramach jednego projektu. Procesy biznesowe zostały zdefiniowane na podstawie obszarów określonych w analizie Big Picture (w analizie Mapowania Strumienia Wartości). Jako wskaźniki wpływu elementów procesu biznesowego brano pod uwagę współczynnik korelacji, którego wartość określała wpływ (lub brak wpływu) pomiędzy komponentami różnych procesów biznesowych. Zauważono, że atrybuty z procesu 1 (Uruchomienie realizacji projektu) i procesu2 (Planowanie i zarządzanie projektami) wykazują bardzo silną i silną korelację z atrybutami w innych procesach 3 (Zarządzanie i dostawa materiałów) i 4 (Produkcja i dystrybucja). Na podstawie przedstawionych wyników wskazano krytyczne punkty przepływu informacji/decyzji pomiędzy współistniejącymi procesami biznesowymi.

5

Możliwe metody zarządzania procesem leczenia udaru mózgu

Korkosz-Gębska Jolanta, Marciniak Stanisław, Gębski Jarosław

Zeszyty Naukowe Politechniki Poznańskiej. Organizacja i Zarządzanie

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2020

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Nr 81

93--107

PL

Celem artykułu jest identyfikacja możliwości usprawnienia procesu leczenia udaru mózgu z wykorzystaniem metod zarządzania i działań doskonalących na przykładzie procesu leczenia pacjentów z niedokrwiennym udarem mózgu. Opisano w nim również zależności między społecznymi i środowiskowymi aspektami funkcjonowania placówek ochrony zdrowia. Szczególną uwagę poświęcono metodom złożonym uwzględniającym sprzężenie zwrotne przez oddziaływanie otoczenia zewnętrznego na proces leczenia uwarunkowany czynnikami demograficznymi i środowiskowymi. W pracy wykorzystano wnioskowanie indukcyjne z zastosowaniem metody desk research oraz wywiadów i obserwacji nieuczestniczącej. Jako paradygmat dominujący przyjęto założenie o dążeniu do spełniania celów dla gospodarek państw rozwijających się uwzględniające spójność społeczną, ekonomiczną oraz ekologiczną.

EN

The aim of the paper is to identify the possibilities of improving the stroke treatment process using management methods and taking the appropriate actions for improvement on the example of the treatment process of patients with ischemic stroke. It also describes the relationship between social and environmental aspects of the functioning of healthcare facilities. Particular attention was paid to complex methods which take into account feedback, such as the influence of the external environment on the treatment process, as conditioned by demographic and environmental factors. Inductive reasoning using the desk research method as well as non-participant interviews and observations were used in the work. As the dominant paradigm, the assumption was made to strive to meet goals for the economies of developing countries that consider social, economic and ecological cohesion.

6

Improving work organisation in the production hall – a case study

Zasadzień Michał

Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska

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2020

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z. 147

327--350

EN

Purpose: The aim of the research was to assess the effectiveness of implementing Lean Manufacturing (One-Piece-Flow) elements in a company producing shock absorbers. Design/methodology/approach: With the help of VSM, the most important problem in the production process was diagnosed, and by using the 5 Whys tool, the root causes of the problems were identified. A simulation of introducing the One-Piece-Flow system into the production line was then used to estimate the most optimal solution. After choosing the solution, it was implemented, and the results obtained were verified. Findings: As a result of the conducted analyses, the most important problems related to planning, scheduling and the flow of intermediates were identified. The 5 Whys analysis allowed for the grouping of individual problems by common causes. Detailed solutions to the problems were proposed, which were included in the future Value Stream Map. Research limitations/implications: Conducting research in a working production process is limited and faces significant resistance from managers. Practical implications: The most important effects of implementing an improvement plan were minimising inventory from 138,062 units to 25,000 units, which reduced costs and indicates reduced waste. Lead time was limited to 9.67 days from 56.96 days. Originality/value: Research results confirm the effectiveness of introducing only some solutions of the Lean philosophy. This is particularly important if the enterprise is unable to comprehensively implement the Lean Manufacturing concept due to organisational or financial reasons.

7

Synthesis, electrical and magnetic properties of polymer coated magnetic nanoparticles for application in MEMS/NEMS

Javid Muhammad Arshad, Sajjad Muhammad, Ahmad Saeed, Khan Muhammad Azhar Shahid, Nadeem Khalid, Amin Niama, Mehmood Zahid

Materials Science Poland

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2020

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Vol. 38, No. 4

553--558

EN

In this research work, polymer coated magnetic nanoparticles were prepared by co-precipitation method. The samples were characterized by XRD, SEM, EDS, VSM and two probe DC conductivity measurements. XRD pattern indicated the existence of a sole cubic phase of Fe3O4 with Miller indices (2 2 0), (3 1 1), (5 1 1), (4 4 0). An average size of magnetic nanoparticles was about 22.9 nm and it was reduced to 21.3 nm and 19.4 nm after 1 wt. %. and 2 wt. % coating of PEG-6000, respectively. The morphology and size of the samples were investigated by scanning electron microscope (SEM). EDX spectra confirmed the coating of PEG on magnetic nanoparticles. Magnetic properties were examined by vibrating sample magnetometer (VSM). Saturation magnetization (Ms) decreased as the concentration of PEG increased in the magnetic material. Electrical properties of uncoated and polymer coated Fe3O4 nanoparticles were studied by two-probe conductivity meter. This study concluded that the thermal flow of charge in polymer coated magnetic nanoparticles can be evaluated at micro and nano level.

8

The effect of lean tools on the safety level in manufacturing organisations

Ulewicz Robert, Lazar Livia V.

System Safety : Human - Technical Facility - Environment

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2019

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Vol. 1, nr 1

514--521

EN

Lean Management is currently one of the best-known and is the most widely used management concepts in production enterprises. Lean creates such a culture of work in an organization that makes all participants in the organization interested in raising the level of quality, reducing costs and delivery time. However, there is no information about the influence of lean tools on the level of safety in production organizations. The paper presents the influence of five lean tools on the safety level by the example of metal manufacturing organization. The number of potentially dangerous situations and the number of accidents were taken as the measure of safety level. The obtained results indicates that the most important for the safety level is 5S, TPM while Kaizen, Poka-Yoka and VSM are smaller. The paper aims to broaden the knowledge about the dependence of the use of lean tools on the level of occupational safety.

9

Improvement of manual assembly line based on Value Stream Mapping (VSM) and efectiveness coefficient

Klimecka-Tatar Dorota, Shinde Vishvajit

Quality Production Improvement - QPI

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2019

|

Vol. 1, Iss. 1

537--544

EN

In the paper the possibilities of process re-organizing in relation to simple principles for limiting waste in the production cycle have been presented. Based on value stream mapping and monitoring of performance indicators, the possibilities of changes identification of in the assembly line process have been presented. Furthermore, based on the availability, performance and quality values, it has been proved that relatively small changes can have a very positive effect on the assembly process. Based on the OEE coefficient, it has been found that the proposed changes improved the process's efficiency by more than 20%.

10

Mechanism and Synthesis of Yttrium Iron (Y-Fe) Alloy by Low Temperature Process Using Calcium as Reductant

Ilayaraja Marimuthu, Berchmans L. John, Sankaranarayan Sankara Raman

Archives of Metallurgy and Materials

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2019

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Vol. 64, iss. 4

1593--1596

EN

In this paper, study the preparation of Y-Fe alloy by reduction-diffusion process, which is novel technique for producing an alloy from its ores directly at different temperatures. From this work, investigates the particles size and morphology structure of alloy by X-Ray Diffraction (XRD), Energy dispersive-X-ray analyzer (EDAX) and Scanning Electron Microscope (SEM) respectively. Here study the thermodynamics of property of system such as Gibbs free energy and reaction kinetics of system respectively. The Vibrating Sample magnetometer (VSM) is used to study the magnetic properties of alloy such as cocerviety, saturation magnetization and retentivity.

11

Structural and dielectric properties of superparamagnetic iron oxide nanoparticles (SPIONs) stabilized by sugar solutions

Kumar D. S., Naidu K. C. B., Rafi M. M., Nazeer K. P., Begam A. A., Kumar G. R.

Materials Science Poland

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2018

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Vol. 36, No. 1

123--133

EN

Superparamagnetic iron oxide nanoparticles (SPIONs) have been synthesized using co-precipitation method. Their microstructure and dielectric properties were studied. The sugar solutions like glucose, fructose and sucrose were used as stabilizers to control the size of the SPIONs. The crystal structure and grain size of the particles were determined by X-ray diffraction. The magnetic studies of the samples were carried out using the vibrating sample magnetometer and their surface morphology was studied by HRTEM, FE-SEM and zeta potential. The dielectric properties of glucose-SPIONs (GF), fructose-SPIONs (FF) and sucrose-SPIONs (SF) were investigated in the frequency range of 10 Hz to 5 MHz at selected temperatures. The FF showed a high dielectric constant of 62 at 1 MHz and the dielectric properties of SPIONs were found to have been significantly improved, especially in the low frequency regime according to the Maxwell-Wagner interfacial polarization. The AC conductivity measurements revealed that the electrical conduction depends on both frequency and temperature. Impedance analysis was carried out using Cole-Cole plot and the conduction mechanism of the studied compounds was explained. R and C values were further calculated using RC-circuit.

12

Enhancement in magnetic and electrical properties of Ni substituted Mg ferrite

Ramarao K., Rajesh Babu B., Kishore Babu B., Veeraiah V., Rajasekhar K., Ranjith Kumar B., Swarna Latha B.

Materials Science Poland

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2018

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Vol. 36, No. 4

644--654

EN

In this work, Ni substituted magnesium spinel ferrites having general formula Mg1−xNixFe2O4(where x = 0.0, 0.1, 0.15, 0.2, 0.25 and 0.3) were synthesized by standard solid state reaction method. All the samples were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), vibrating sample magnetometer (VSM), DC resistivity measurements. X-ray diffraction analysis confirmed the single spinel phase. The lattice constant decreased with increasing Ni content due to the difference in the ionic radii of Mg2+and Ni2+ ions. The FT-IR spectra reveled two prominent frequency bands in the wave number range of 400 cm−1 to 600 cm−1, which confirmed the cubic spinel structure of obtained compound and completion of chemical reaction. Magnetic studies revealed that the saturation magnetization increased with the substitution of Ni. The increase in magnetization was explained on the basis of distribution of magnetic and non-magnetic cations among A and B sites of the spinel lattice. A significant influence of cation distribution on DC electrical resistivity and activation energy was observed.

13

Odkryj swój proces na nowo

Kaniewski A.

Surowce i Maszyny Budowlane

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2017

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nr 4

14--18

PL

Doświadczenie procesu, jego zmierzenie, odkryje przed nami szereg problemów, o których nie wiedzieliśmy do tej pory i które z pewnością zachwieją naszym dotychczasowym wyobrażeniem o procesie. I to właśnie chodzi – o odkrycie procesu [produkcyjnego] na nowo. Poznanie rzeczywistości, a nie relacji.

14

Value Stream Mapping as Lean Production tool to improve the production process organization – case study in packaging manufacturing

Klimecka-Tatar D.

Production Engineering Archives

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2017

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Vol. 17

41--45

EN

In the paper, the method of the production process improvement with the use of lean production tools has been presented. The Value Stream Mapping (VSM) for the cardboard packaging production process has been presented. On the basis of the current state map (CSM), areas for improvement have been designated - 5 organizational changes of the process were marked out. To minimize the three basic losses excessive storage, unnecessary movement and delays, the changes were introduced in the method of inter-operative transport, supervision of the storage condition (input and output of the process), control at the processing operation and the use of a production loop. As a result of the changes, it is possible to shorten the process time, shorten the total time of operations adding value and reduce the number of non-compliant products.

15

VSM jako etap wdrażania Lean Manufacturing w przedsiębiorstwie

Zwolińska B., Michlowicz E., Smolińska K.

Gospodarka Materiałowa i Logistyka

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2017

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nr 1

48--53

PL

Zarządzanie przedsiębiorstwem według koncepcji Lean Manufacturing polega na eliminacji błędów, ograniczeniu występujących muda, mura i muri, zwiększaniu efektywności procesów dodających wartość oraz skracanie czasów czynności niezbędnych, ale nie generujących wartości dodanej. Z logistycznego punktu widzenia odpowiednie sterowanie strumieniem materiałów w systemie produkcyjnym powinno gwarantować ciągłość procesów wytwarzania. Pierwszą fazą poprawy efektywności działań jest analiza stanu przedsiębiorstwa. Artykuł zawiera przykład zastosowania metody mapowania strumienia wartości (VSM) w wybranym procesie produkcyjnym.

EN

Business management according to the Lean Manufacturing concept include: correcting mistakes, eliminating the existing muda, mura and muri, increasing effectiveness of value adding processes and reducing duration of activities that are essential, but do not generate added value. From the point of view of logistics, appropriate control of the material stream within the production system should be guarantees the continuity of manufacturing processes in accordance. The first stage of improving operational efficiency consists in analysing the conditio of company. The article involves example of using Value Stream Mapping (VSM) method in a chosen production process.

16

Assumptions concept of LEAN processes in the organization of the work on example the production of building components

Mazur M.

Production Engineering Archives

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2016

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Vol. 13, No. 4

41--43

EN

The following paper discusses how to use of a company’s assets efficiently by the identification of value stream and the elimination of all the processes that do not contribute to a company’s added value. The identification of critical points of value stream by means of a map illustrating these processes helps to indicate the area where the selected elements of LEAN concept aiming at eliminating waste in domestic transport should be implemented. The article contains the analysis of the state of the current stream, and suggestions concerning its improvement.

17

Mapowanie strumienia wartości w logistyce odpadów zakładu chemicznego

Michlowicz E., Zwolińska B.

Przemysł Chemiczny

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2015

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T. 94, nr 9

1534-1536

PL

Celem logistyki odpadów jest obsługa odbioru, transportu i dostaw pozostałości, jak również ochrona zasobów naturalnych. Mapowanie strumienia wartości (VSM) jest metodą służącą do analizy systemów działaniowych. Przeprowadzona analiza struktury organizacyjnej zakładu chemicznego wraz z zastosowaniem metodologii VSM do systemu gospodarki pozostałościami umożliwia zmniejszenie marnotrawstwa surowców.

EN

A hypothetic chem. company producing plant protection agents and processing vegetable oils were evaluated to assess and optimize the logistics of prodn. waste treatment by value stream mapping method. Practical recommendations were given.

18

Effect of heat treatment on the shape of the hyperfine field induction distributions and magnetic properties of amorphous soft magnetic Fe62Co10Y8B20 alloy

Gruszka K. M., Nabiałek M., Błoch K., Olszewski J.

Nukleonika

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2015

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Vol. 60, No. 1

23--27

EN

Thermal treatment, undertaken at just below the crystallization temperature, has led to nanocrystallization and has had a signifi cant impact on the shape of the hyperfine field induction distributions of Fe62Co10Y8B20 alloy and on its soft magnetic properties. In the amorphous ferromagnetic alloys, it is possible to indirectly determine the effect of the structure stresses, resulting from the presence of structural defects, on the soft magnetic properties of these materials. It has been found that a change in the parameters associated with the presence of structural defects affects the shape of the hyperfi ne fi eld distributions of 57Fe.

19

Koncepcja zastosowania VSM jako narzędzia doskonalącego proces demontażu samochodów wycofanych z eksploatacji

Kosacka M., Werner-Lewandowska K.

Logistyka

|

2014

|

nr 6

PL

Niniejszy artykuł dotyczy zastosowania metody VSM, jako narzędzie doskonalącego proces demontażu pojazdów wycofanych z eksploatacji. Swoja treścią obejmuje zagadnienia związane z metodą VSM i jej związkiem z doskonaleniem procesów, procesów demontażu PWE. Kluczowym dla autorek, było zaprezentowanie praktycznego wykorzystania VMS i prezentacje efektów zastosowanie tego narzędzia do doskonalenie procesu produkcyjnego w formie gniazda.

20

Mapowanie strumienia wartości w środowisku produkcyjnym HVLV (hig-variety low-volume – duża różnorodność mały wolumen produktów)

Matusek M.

Gospodarka Materiałowa i Logistyka

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2014

|

nr 11

89--92

PL

W ostatnich dwóch dekadach wypracowano wiele metod i narzędzi wspomagających projektowanie i optymalizowanie przepływu materiałów i informacji w systemach produkcyjnych. Jednym z podstawowych narzędzi pomocnych przy wdrażaniu koncepcji Lean Thinking uważa się mapowanie strumienia wartości (VSM). Jednak VSM nie może być skutecznie wykorzystywane przypadkach w których trudno jednoznacznie wydzielić takie strumienie. W artykule przedstawiono studium przypadku analizy strumienia wartości w przedsiębiorstwie produkcyjnym funkcjonującym w środowisku konstrukcja na zamówienie. Studium przypadku miało dać odpowiedź na pytanie czy metody, narzędzia koncepcji Lean Thinking często wykorzystywane z sukcesem w produkcji seryjnej można zastosować i w jakim zakresie w produkcji wyrobów o szerokim asortymencie lecz niskim wolumenie. Strumień wartości definiowany jest jako wszystkie działania (zarówno takie, które dodają wartość w realizowanym procesie, jak i te, które tej wartości nie dodają) wykonywane w trakcie przepływu produktu przez cały, charakterystyczny dla niego proces. Proces ten, obejmuje zazwyczaj takie etapy jak: proces projektowy (często mający miejsce w środowisku konstrukcja na zamówienie), zakup surowców i materiałów, proces produkcyjny i dostarczenie wyrobu gotowego do klienta. Kompletny strumień wartości obejmuje procesy od pozyskania komponentu, poprzez procesy dostawców, aż do ostatecznego użytkownika wyrobu gotowego. W artykule skupiono się na wewnętrznym strumieniu wartości, który obejmuje procesy wewnątrz analizowanego przedsiębiorstwa wraz z relacjami z bezpośrednimi dostawcami oraz relacjami z bezpośrednimi jego klientami.

EN

The purpose of this paper is to present a case of value stream mapping analysis (VSM) in engineer-to-order (ETO) production system. The original VSM methodology is adapted with focus on ETO. The main question of this study is whether Lean Thinking methods and tools often used successfully in mass production can be used in the high-variety low-volume production environment.