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    Wyświetlanie 1-6 z 6
    Tytuł:
    Analysis of Circumstances and Causes of Accidents Working in a Selected Industrial Undertaking
    Autorzy:
    Pałęga, Michał
    Knapiński, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/27315828.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    accident at work
    accident prophylaxis
    waterjet operator
    water jet cutting
    wypadek przy pracy
    profilaktyka wypadkowa
    strumień wody
    cięcie strumieniem wody
    Opis:
    The subject of this publication is to analyze the circumstances and causes of accidents at work in a selected industrial enterprise that provides services in the field of water jet cutting and laser beam. The paper present the statutory definition of an accident at work and its basic categories (light, heavy, mortal and collective accident). It also discusses the most popular accident investigation method – the TOL method, which classifies the causes of accidents into three basic groups: material-technical, organizational and human. In the further part of the work the characteristics of the waterjet operator's work station were made, including the scope of activities, possible occupational hazards and preventive actions. Next, the results of the analysis of the circumstances and causes of accidents at work were presented. In the period from 2013 to 2018 eight accidents were reported, resulting in minor injuries, such as cuts and cuts, fracture of the phalanx, overloading of the spine, leg twisting or knee injury.
    Źródło:
    New Trends in Production Engineering; 2019, 2, 2; 331-340
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Assessment of employees level of awareness in the aspect of information security
    Autorzy:
    Pałęga, Michał
    Knapiński, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/88462.pdf
    Data publikacji:
    2019
    Wydawca:
    Stowarzyszenie Menedżerów Jakości i Produkcji
    Tematy:
    information security
    data protection
    information security management
    human resources management
    bezpieczeństwo informacji
    ochrona danych
    zarządzanie bezpieczeństwem informacji
    zarządzanie zasobami ludzkimi
    Opis:
    The strategic importance of information for the functioning of each economic entity forces entrepreneurs to properly protect them against loss, unauthorized disclosure or unauthorized modification. Hence, organizations build complex security systems taking into account state-of-the-art technical solutions, while belittling often the most important element, which is the human factor. It should be emphasized that it is the intentional or accidental actions of the human that can lead to the loss of information security. In addition, it is also the potential of human capabilities and skills can provide an effective defense against the failure or technical security. The article presents the basic stages of human resource management in the aspect of information security. Complementing these considerations will be the presentation and discussion of the results of surveys aimed at assessing the level of employee awareness in the area of information security.
    Źródło:
    System Safety : Human - Technical Facility - Environment; 2019, 1, 1; 132-140
    2657-5450
    Pojawia się w:
    System Safety : Human - Technical Facility - Environment
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of Steel Cord Tension During the Lapping on Steel Cord Straightness After Lapping
    Autorzy:
    Knapiński, Marcin
    Bobarikin, Yuri L.
    Martyanov, Yuri. V.
    Powiązania:
    https://bibliotekanauki.pl/articles/27315807.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    cord
    stresses
    tension
    straightness
    macrodisplacements
    lina
    naprężenie
    makroprzemieszczenia
    Opis:
    One of the variable parameters in steel cord twisting technologies is the steel cord tension before final reel. Changing this parameter is used to produce steel cord with high quality of straightness. Steel cord straightness is the most important technological parameter after tensile strength. It is simple to change the value of steel cord tension with special mechanisms or devices in composition of cable machines and twisting machines. It is very important to know the measures of tension setting. Low tension causes bad quality of steel cord and defects. High tension may brake steel cord during the twisting and lapping. Also high tension may change the mechanical properties of steel wire in the steel cord construction. The influence of steel cord tension in the range from 9 N to 30 N on active equivalent stresses in wire cross section and macro displacements of wire contact points in steel cord construction was shown. Effect of steel cord tension during the lapping on steel cord straightness after lapping was shown. In this research the optimal tension for producing steel cord 2x0.30HT was defined with numerical simulation, finite element analysis and criteria method. The optimal value of tension for other steel cord constructions will change, because of number of wires and its hardness.
    Źródło:
    New Trends in Production Engineering; 2019, 2, 2; 36-45
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Rolling Tool Development in Order to Improve the Geometry of a Tube Profile and to Reduce the Wear of Mill Rolls
    Autorzy:
    Knapiński, Marcin
    Bobarikin, Yuri L.
    Radkin, Yaroslav I.
    Powiązania:
    https://bibliotekanauki.pl/articles/27315827.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    seamless pipes
    continuous elongating process
    calibers of mill rolls
    accuracy of a tube profile
    rury bezszwowe
    proces wydłużania
    kalibrowanie walców
    Opis:
    Increasing the accuracy of the geometrical parameters of tube profiles is one of the priority areas of modern tube industry. The profile of the calibers of rolls of the reeling mill exerts a significant influence over the distribution of stresses that appear in metal during the deformation process and the process of formation of the correct geometry of the obtained rough tube. The method for determining the optimal geometry of a mill roll profile has been developed. In accordance with this method the geometry of the calibers of the continuous three roll reeling mill was calculated. The research of the influence of geometrical parameters of the calibers of mill rolls on the accuracy of the obtained tube profile, the load of the rolling tool and the wear rate of the contact surface of mill rolls and a mandrel was carried out. The numerical simulation method was chosen as a research method. This method allows to carry out rather accurate analysis and to obtain reliable results on the stress-strain and thermal states of a billet during the material processing, gives the possibility to obtain numerical values of stresses, deformations, load parameters of the process, as well as allows to visualize the results that is essential for assessing the accuracy of the tube profile geometry. Numerical experiments of the elongating process of a rough tube on the three roll continuous reeling mill with different grooving of mill rolls were carried out. It was determined that using of the developed grooving will allow to get a rough tube of a higher accuracy with the minimal deviation from the shape of the profile. The use of the developed method of calculating the geometric parameters of the calibers of the continuous reeling mill will allow to obtain calibers with a high degree of resistance to wear due to the reduction of the resistance of the flow of metal and a uniform filling of the calibers in the deformation zone. The use of this grooving of mill rolls will reduce the load acting on the rolling tool during the production of hot-deformed seamless tubes.
    Źródło:
    New Trends in Production Engineering; 2019, 2, 2; 321-330
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Study of Technology for Ultrafine-Grained Materials for Usage as Materials in Nuclear Power
    Autorzy:
    Naizabekov, Abdrakhman
    Arbuz, Alexandr
    Lezhnev, Sergey
    Panin, Evgeniy
    Knapiński, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/27315817.pdf
    Data publikacji:
    2019
    Wydawca:
    STE GROUP
    Tematy:
    radial-shear rolling
    austenitic stainless steel
    severe plastic deformation
    ultrafine-grained materials
    walcowanie
    stal nierdzewna
    odkształcenie plastyczne
    materiały ultradrobnoziarniste
    Opis:
    Nuclear power is associated with great environmental risks. In many cases, the problem of accidents of nuclear power plants is related to the use of materials that do not fully meet the following requirements: high corrosion resistance; high temperature resistance; creep resistance; fracture toughness; stability of structure and properties under irradiation. Therefore, studies aimed at finding materials that can withstand long-term loads at high temperatures, aggressive environment and gradual structural degradation under the influence of radiation are relevant. One of the structural materials, which has high resistance to radiation, is austenitic stainless steel. And one of the ways to increase the radiation resistance of parts made of this steel grade is to grind its microstructure to ultra-fine-grained state. Such structures provide a combination of a high level of strength characteristics with high plasticity, which distinguishes such materials from their coarse-grained counterparts. Also, numerous grain boundaries serve as runoff surfaces for radiation defects, preserving the structure, which causes their increased radiation resistance. From all methods for producing sub-ultra-fine grained materials the most promising is the severe plastic deformation (SPD), which can be implemented in the metal in various ways, including radial-shear rolling. This paper presents the results of studies of the process of radial-shear rolling on the mill SVP-08 and its effect on the microstructure and properties of austenitic stainless steel. During the study, bars with a diameter of 13 mm from AISI-321 steel with a grain size of 300-600 nm were obtained, while the mechanical properties increased more than 2 times compared to the initial values.
    Źródło:
    New Trends in Production Engineering; 2019, 2, 2; 114-125
    2545-2843
    Pojawia się w:
    New Trends in Production Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Threats associated with the human factor in the aspect of information security
    Autorzy:
    Pałęga, Michał.
    Powiązania:
    Scientific Journal of the Military University of Land Forces 2018, nr 1, s. 105-118
    Współwytwórcy:
    Knapiński, Marcin. Autor
    Data publikacji:
    2018
    Tematy:
    Bezpieczeństwo informacyjne
    Systemy informacyjne zarządzania
    Ochrona informacyjna
    Zarządzanie
    Artykuł z czasopisma wojskowego
    Artykuł z czasopisma naukowego
    Opis:
    Bibliografia na stronach 116-117.
    Dostawca treści:
    Bibliografia CBW
    Artykuł
      Wyświetlanie 1-6 z 6

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