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    Wyświetlanie 1-3 z 3
    Tytuł:
    Climatic Chamber for the Credibility Evaluation of Profilometric Measurements Construction and Control
    Autorzy:
    Grochalski, Karol
    Wieczorowski, Michał
    Pawlus, Paweł
    Jakubek, Bartosz
    Powiązania:
    https://bibliotekanauki.pl/articles/102991.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    climatic chamber
    thermal distortion
    temperature measurement
    PID controller
    surface topography
    komora klimatyczna
    zniekształcenie termiczne
    pomiar temperatury
    regulator PID
    topografia powierzchni
    Opis:
    The paper shows the construction and control of a climatic chamber used for the credibility evaluation of the profilometic measurements. The paper presents a control model using a PID controller and a solution for air circulation. The data regarding the influence of environmental temperature changes on the three-dimensional representation of the surface realized by means of a tactile profilometer were presented. This work shows the temperature characteristics of a climatic chamber.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 3; 135-140
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Differences in Roughness Parameter Values from Skid and Skidless Contact Stylus Profilometers
    Autorzy:
    Grochalski, Karol
    Mendak, Michał
    Jakubowicz, Michał
    Gapiński, Bartosz
    Swojak, Natalia
    Wieczorowski, Michał
    Krawczyk, Aleksandra
    Powiązania:
    https://bibliotekanauki.pl/articles/2024198.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    contact profilometer
    portable profilometer
    roughness parameters
    skid devices
    skidless devices
    profilometr kontaktowy
    profilometr przenośny
    parametry chropowatości
    urządzenia poślizgowe
    urządzenia bezpoślizgowe
    Opis:
    Contact stylus profilometry is the leading surface texture measuring method in many manufacturing industries. For years it has been unmatched in terms of accuracy and reliability. Advancements in technology have led to the improvements in the profilometer design. A stylus can either have a built in skid or be skidless. In this study, the influence of skid on the measurement accuracy and repeatability was evaluated. Four different contact stylus profilometers were used to measure three standard roughness artifacts each. Every set of measurements consisted of 50 repetitions of the same profile, with the same parameters. Out of these profiles, five roughness parameters were calculated and were subjected to a statistical analysis. Relative errors of these parameters were also considered and presented individually for each roughness standard. Researchers found differences in the measurement results dispersion of various roughness parameters between the three roughness standards. The presented results of the measurements clearly indicated that there is a dispersion of the obtained values for the older type of contact stylus profilometer (P1, skid). The skidless portable devices, P2 and P3, have better measurement resolution, which results in a noticeably lower dispersion of measured values. A tabletop, stationary device utilizes a skidless measuring probe. It has both the best resolution and the highest rigidity, which results in the lowest dispersion of measured values. The lowest relative error of the Ra parameter was determined for the P2 device (9.2%) and the highest was determined for the P3 device (72.6%).
    Źródło:
    Advances in Science and Technology. Research Journal; 2021, 15, 1; 58-70
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Temperature Measurement of Modern Cutting Tools During Turning
    Autorzy:
    Grochalski, Karol
    Jabłoński, Piotr
    Talar, Rafał
    Twardowski, Paweł
    Wieczorowski, Michał
    Jakubek, Bartosz
    Rukat, Wojciech
    Powiązania:
    https://bibliotekanauki.pl/articles/103258.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    cutting tools
    tool wear
    cutting temperature
    temperature measurement
    thermographic techniques
    narzędzia tnące
    zużycie narzędzi
    temperatura cięcia
    pomiar temperatury
    technika termograficzna
    Opis:
    The study presents the influence of the anti-wear coatings and the type of material from which the cutting tools are made of on the cutting temperature occurring on the tool. The cutting tools made of boron nitride and tungsten carbide composite were investigated. The methodology of measuring the cutting temperature using the thermoelement and thermovision techniques was presented. The results of the temperature measurements occurring on the cutting tool in the cutting zone were compared. The paper also presents a method of determining the effective emissivity of the tested tools, necessary for the correct temperature measurement using the non-contact method. The obtained data were interpreted and the relationships described, and then the results obtained were discussed.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 4; 37-48
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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